CN110000005A - A kind of electric precipitator of the preparation process and application of electric precipitator the shell shell - Google Patents
A kind of electric precipitator of the preparation process and application of electric precipitator the shell shell Download PDFInfo
- Publication number
- CN110000005A CN110000005A CN201910112972.2A CN201910112972A CN110000005A CN 110000005 A CN110000005 A CN 110000005A CN 201910112972 A CN201910112972 A CN 201910112972A CN 110000005 A CN110000005 A CN 110000005A
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- China
- Prior art keywords
- shell
- electric precipitator
- parts
- rotation seat
- cover body
- Prior art date
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- Granted
Links
- 239000012716 precipitator Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229910000679 solder Inorganic materials 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 22
- 239000011253 protective coating Substances 0.000 claims abstract description 15
- 239000012459 cleaning agent Substances 0.000 claims abstract description 9
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims abstract description 3
- 239000007921 spray Substances 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 238000007750 plasma spraying Methods 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000919 ceramic Substances 0.000 abstract description 4
- 229910007948 ZrB2 Inorganic materials 0.000 abstract description 3
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 abstract description 2
- 239000004568 cement Substances 0.000 abstract description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 abstract 1
- 230000003313 weakening effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 239000000243 solution Substances 0.000 description 16
- 239000003546 flue gas Substances 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical compound Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 1
- PXRKCOCTEMYUEG-UHFFFAOYSA-N 5-aminoisoindole-1,3-dione Chemical compound NC1=CC=C2C(=O)NC(=O)C2=C1 PXRKCOCTEMYUEG-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- CNRKMCUYINLDNN-UHFFFAOYSA-N C1(=CC=CC=C1)C.C(C(C)C)C(=O)CC(C)C Chemical compound C1(=CC=CC=C1)C.C(C(C)C)C(=O)CC(C)C CNRKMCUYINLDNN-UHFFFAOYSA-N 0.000 description 1
- QJRCIEXSDUFJOT-UHFFFAOYSA-N OB(O)O.O[Si](O)(O)O Chemical compound OB(O)O.O[Si](O)(O)O QJRCIEXSDUFJOT-UHFFFAOYSA-N 0.000 description 1
- 208000028804 PERCHING syndrome Diseases 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrostatic Separation (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a kind of preparation processes of electric precipitator shell, it is characterised in that the following steps are included: S1: the weld of steel plate is started the cleaning processing with cleaning agent；S2: one layer of isolation film is coated on the lateral wall of steel plate raw material, the isolation film includes the component of following parts by weight: 20-30 parts of zirconium diboride ceramics particle, 15-25 parts of ultra high molecular weight polyethylene fiber, 10-20 parts of graphite powder, 40-50 parts of aluminium oxide, 20-30 parts of inorganic binder, 10-12 parts of high alumina cement；S3: by the steel plate for being coated with isolation film by being welded to obtain outer cover body；S4: the first auxiliary agent is sprayed on the weld seam of outer cover body；S5: solder extra on weld seam is rooted out；S6: the outer cover body surface after rooting out coats one layer of protective coating；Electric precipitator shell is obtained by above-mentioned six steps.The present invention, which has the effect of weakening when rooting out welding, damages shell.
Description
Technical field
The present invention relates to the technical fields of steam power plant, more particularly, to a kind of preparation process of electric precipitator shell
And the electric precipitator using the shell.
Background technique
Electric precipitator is the corollary equipment in thermal power plant, its function will fire in stove or oil burning boiler discharge flue gas
Particle dust is removed, so that the fume amount being discharged into atmosphere be greatly lowered, so as to improve environmental pollution, improves air
Quality.
The shell of electric precipitator is extremely important for the normal work of electric precipitator, and the shell of existing electric precipitator is usual
Weld by one piece or more of steel plate it is assembled, and between steel plate and steel plate welding process can steel plate and steel plate it
Between weld edge be easy the extra solder of solidification.Extra solder will affect the performances such as the weatherability of electric precipitator shell, often
It needs to root out solder.And during rooting out, due to being completely embedded between solder and steel plate, roots out solder and be easy to steel
The weld seam of plate and steel plate generates damage, to influence the leakproofness of electric precipitator shell, reduces the efficiency of dust collection of electric precipitator.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of preparation process of electric precipitator shell
And the electric precipitator of the application shell is made by coating one layer of isolation film on outer surface to electric precipitator shell and inner surface
Molten solder extra in brazing process be not easy it is close with outer surface and inner surface bonding so that solder be easily removed without
Easy damaged welding surface.
Above-mentioned purpose of the invention has the technical scheme that
A kind of preparation process of electric precipitator shell, comprising the following steps:
S1: the welding surface of steel plate is started the cleaning processing with cleaning agent；
S2: one layer of isolation film is coated on the outer surface of steel plate raw material and inner surface, the isolation film includes following weight
The component of number:
S3: the steel plate for being coated with isolation film is welded to obtain outer cover body by Welding face；
S4: the first auxiliary agent is sprayed on the outer surface of outer cover body；
S5: solder extra on outer surface is rooted out；
S6: the outer cover body outer surface after solder will be rooted out and coat one layer of protective coating；
Electric precipitator shell is obtained by above-mentioned six steps.
By using above-mentioned technical proposal, it is clear that electric precipitator first uses cleaning agent to carry out the impurity such as greasy dirt on steel plate
Reason improves the compactness of welding so that the gap between the solder and steel plate welding surface of melting is reduced in welding process.Steel plate
In the isolation film coated on outer surface, zirconium diboride ceramics particle is not high to the compatibility of the iron under molten condition, and iron is in two boron
The angle of wetting changed on zircon ceramic particle is small, and graphite has certain lubricity, angle of wetting of the liquid iron on graphite also very little, institute
It is lower with the bonding tightness of isolation film and liquid iron solder, it is easy the outer surface rooted out without damaging steel plate.Graphite
Fusing point at 3652 DEG C, zirconium diboride ceramics particle fusing point is at 3000 DEG C or more, and the temperature of liquid iron is at 1500 degree or so, institute
There is good high temperature resistance with isolation film, will not be melted by the iron under high temperature and wear.Aluminium oxide is used for as aggregate in isolation film
Film layer is supported, and fusing point, at 2000 DEG C or so, temperature is higher than liquid iron.High alumina cement is used to form coating as cementitious material,
Inorganic binder is used for bonding coat and steel plate, improves the adhesion strength between coating and steel plate.
The present invention is further arranged to: the cleaning agent includes the component of following parts by weight:
By using above-mentioned technical proposal, toluene isobutyl ketone is as organic solvent and miscible with water, to surface of steel plate
Greasy dirt there is certain solvability, neopelex plays emulsification to greasy dirt as surfactant, close
Oil base group coats greasy dirt, forms micella, the compatibility height of hydrophilic radical and water, so that greasy dirt be gone from the emulsification of steel plate welding surface
It removes, improves effect of deoiling.Citric acid can be reacted with the oxide of surface of steel plate, be dissolved oxide, to remove oxide.
After the oxide and oily waste degradation of surface of steel plate, in welding, impurity between solder and steel plate is reduced, solder and steel plate
Connect it is even closer, to improve weld strength.
The present invention is further arranged to: the first auxiliary agent sprayed in the S4 includes the component of following parts by weight:
50-70 parts of boric acid；
60-80 parts of silicic acid；
100-150 parts of water.
By using above-mentioned technical proposal, the aqueous solution of boric acid and silicic acid has certain acidity, the main component of solder
For iron, hydrogen ion can occur displacement with the iron in solder and react in solution, so that solder softening, and reduce solder and steel plate
The bonding degree on surface, due to being coated with one layer of isolation film on steel plate, acid solution will not generate corrosion to steel plate.Boric acid and silicic acid
It is all weak acid, the ion concentration dissociated in acid solution is lower, and it is acid weaker, thus avoid generating solder strong corrosion, and
Influence the sealing performance of weld.
The present invention is further arranged to: the protective coating in the S6 includes the raw material of following parts by weight:
By using above-mentioned technical proposal, zirconium dioxide, magnesia and nickel oxide have high temperature resistant and corrosion resistant property,
So that protective coating can both be corroded in the long-term use to avoid outer cover body, and certain heat-insulated guarantor can be played
Temp effect improves the heat resistance of steel plate.And when rooting out extra solder, solder is easy to take away a part of welding position
Solder so that welding surface welding have certain defect, protective coating is when being coated to outer cover body surface, protective coating
The defect of welding position can be filled, to improve the leakproofness connected between the intensity and shell steel plate of welding.
The present invention is further arranged to: the control of spray solution temperature is at 80-110 DEG C in the step S4, spray time control
System was at 3-5 minutes.
By using above-mentioned technical proposal, when spray solution temperature is lower than 80 DEG C, the warm-up movement of spray solution intermediate ion is not
Enough violent, when spray solution is sprayed on solder, too long the time required to softening, efficiency is lower.When the temperature of spray solution is higher than
At 110 DEG C, spray solution vaporization, and the ions mobile distance in the steam vaporized so that spray solution to the corrosion of solder too
By force, the solder being easy to damage on welding surface.At 80-110 DEG C, the ions mobile in spray solution is violent, and when temperature is high, weak acid
In hydrionic extent of dissociation it is high so that spray solution has good bating effect to solder.Spray time is lower than 3 minutes,
Spray solution is inadequate to the bating effect of solder, and when spray time is higher than 5 minutes, spray solution can solder to weld into
Row corrosion, influences the leakproofness of shell.
The present invention is further arranged to: the coating of protective coating comprises the following steps that in the step S6:
(1) blasting treatment is carried out to shell body outer surface, it is quartz sand that material spray is selected in sandblasting；
(2) outer cover body after blasting treatment is first preheating to 60-120 DEG C；
(3) coating material is sprayed to by outer cover body outer surface using plasma spraying.
By using above-mentioned technical proposal, when protective coating coats, first passes through blasting treatment and improve outer cover body surface
Degree of roughness, so that the contact area between the coating material melted when thermal spraying and case surface increases, to improve coating
With the tightness degree being connect when enclosure coater.Using plasma spraying applying coating, steel matrix is heated small, and painting obtained
The quality of layer is high.
A kind of electric precipitator, including shell, one end in the shell close to top are provided with the baffle being connected with shell,
The bottom of the shell is equipped with ash bucket, and the ash bucket is connected with interior of shell, is equipped on the baffle more than one
Regulating device, the regulating device include mounting rod, and connecting rod, the mounting rod one are equipped in the shell below baffle
End is connected with baffle, and the other end of the mounting rod is connected with connecting rod；
The length direction of two lateral edge mounting rods of the mounting rod offers regulating tank, and it is logical that first is offered on the baffle
Hole is rotatably equipped with rotation seat in the regulating tank, and anode plate is connected on rotation seat, and the both ends of the rotation seat, which are provided with, to be turned
Motion block, the rotating block are rotatedly connected with first through hole, and the baffle is provided with driving assembly far from the side of rotation seat, described
One end that rotating block passes through first through hole is connected with driving assembly；
The driving component includes the first drive rod, and more than one second transmission is connected on first drive rod
Bar, one end and the first drive rod of second drive rod are hinged, and the other end of second drive rod is mutually cut with scissors with rotating block
It connects, first drive rod one end is connected with the piston rod for the cylinder being mounted on baffle.
By using above-mentioned technical proposal, the anode plate of electric precipitator can be adapted to pair by adjusting the angle of anode plate
The efficiency of dust collection of different flue gases.Before initial use, according to the dustiness of flue gas, the angle of anode plate, adjustment process are adjusted are as follows:
Start cylinder, the piston rod of cylinder drives the sliding of the first drive rod, and the first drive rod drives the second drive rod mobile, the second transmission
Bar drives rotating block rotation, and rotating block drives rotation seat rotation, and rotation seat drives anode plate rotation, so that the angle of anode plate
Degree obtains adjusting to adapt to the dedusting of different flue gases.
The present invention is further arranged to: being removably connected with anode plate on the rotation seat；Along rotation on the rotation seat
The length of seat offers mounting groove, and the side that the anode plate is connected with rotation seat is provided with mounting blocks, the mounting blocks and peace
Tankage is clamped, and offers mounting hole on the rotation seat, thread groove is offered on the mounting blocks, is provided on the rotation seat
Fixing bolt, the fixing bolt pass through mounting hole and are threadedly coupled with thread groove.
By using above-mentioned technical proposal, anode plate can be dismounted by detachable mounting means, facilitate anode plate
Anode plate is replaced in damage.When disassembly, first rotation fixing bolt is separated with thread groove, then by mounting blocks and peace
Tankage separation, so that anode plate be removed from rotation seat.When installation, first mounting blocks and mounting groove are clamped, then fix spiral shell
Bolt passes through mounting hole and is threadedly coupled with thread groove, so that anode plate is mounted on rotation seat.
Compared with prior art, the beneficial effects of the present invention are:
1, by coating one layer of isolation film on the lateral wall to electric precipitator shell, so that melting extra in brazing process
Solder is not easy to bond with shell closely, so that solder is easily removed without easy damaged welding position；
2, it by, again by one layer of protective coating of thermal spray coating, being protected to shell after removing solder, improves outer
The sealing effect and anticorrosion effect of shell.
Detailed description of the invention
Fig. 1 is the perspective view of electric precipitator；
Fig. 2 is the perspective view of baffle, anode plate and regulating device；
Fig. 3 is the cross-sectional view of anode plate and regulating device, for showing the installation relation of anode plate and mounting rod.
Appended drawing reference: 11, shell；12, baffle；13, ash bucket；14, regulating device；15, mounting rod；17, connecting rod；18,
Regulating tank；19, first through hole；20, rotation seat；21, rotating block；22, driving assembly；23, the first drive rod；24, the second transmission
Bar；25, cylinder；26, mounting groove；27, mounting blocks；28, mounting hole；29, thread groove；30, fixing bolt；31, anode plate.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Referring to Fig.1, the preparation process of a kind of electric precipitator shell disclosed by the invention, comprising the following steps:
S1: by the welding surface of steel plate cleaning agent soaking and washing, cleaning agent includes the component of following parts by weight:
S2: one layer of isolation film is coated on the outer surface of steel plate raw material and inner surface, isolation film includes following parts by weight
Component:
S3: the steel plate for being coated with isolation film is welded to obtain outer cover body by Welding face；
S4: the first auxiliary agent is sprayed on the outer surface of outer cover body, at 80 DEG C, spray time controls the control of spray solution temperature
At 3 minutes.First auxiliary agent includes the component of following parts by weight:
50 parts of boric acid；
60 parts of silicic acid；
100 parts of water；
S5: solder extra on outer surface is rooted out；
S6: the outer cover body outer surface after rooting out coats one layer of protective coating, and coating comprises the following steps that:
(1) blasting treatment is carried out to outer cover body, it is quartz sand that material spray is selected in sandblasting；
(2) outer cover body after blasting treatment is first preheating to 60 DEG C；
(3) coating material is sprayed to by outer cover body surface using plasma spraying.
Protective coating includes the raw material of following parts by weight:
Electric precipitator shell is obtained by above-mentioned six steps.
Referring to Figures 1 and 2, a kind of electric precipitator, including shell 11, one end in shell 11 close to top be provided with outside
The connected baffle 12 of shell 11 is equipped with more than one regulating device 14 on baffle 12, and regulating device 14 includes mounting rod 15, gear
Connecting rod 17 is installed in the shell 11 of the lower section of plate 12,15 one end of mounting rod is connected with baffle 12, the other end of mounting rod 15 and
Connecting rod 17 is connected；
Referring to Fig. 2 and Fig. 3, mounting rod 15 offers tune along the length direction of two lateral edge mounting rods 15 of flue gas circulating direction
Slot 18 is saved, is rotatably equipped with rotation seat 20 in regulating tank 18, the length on rotation seat 20 along rotation seat 20 offers mounting groove 26,
The side that anode plate 31 is connected with rotation seat 20 is provided with mounting blocks 27, and mounting blocks 27 and mounting groove 26 are clamped, on rotation seat 20
Mounting hole 28 is offered, thread groove 29 is offered on mounting blocks 27, fixing bolt 30, fixing bolt 30 are provided on rotation seat 20
It is threadedly coupled across mounting hole 28 with thread groove 29.First through hole 19, first through hole are offered on the end face at 15 both ends of mounting rod
19 are connected to regulating tank 18, and the both ends of rotation seat 20 are provided with rotating block 21, and rotating block 21 is rotatedly connected with first through hole 19, gear
Plate 12 is provided with driving assembly 22 far from the side of rotation seat 20, and driving assembly 22 includes the first drive rod 23, the first drive rod
More than one second drive rod 24 is connected on 23, one end of the second drive rod 24 is hinged with the first drive rod 23, and second
The other end of drive rod 24 is hinged with rotating block 21, the work of 23 one end of the first drive rod and the cylinder 25 being mounted on baffle 12
Stopper rod is connected.The bottom of shell 11 is equipped with ash bucket 13, is connected inside ash bucket 13 and shell 11.
Implementation principle are as follows: before initial use, according to the dustiness of flue gas, adjust the angle of anode plate 31, adjustment process
Are as follows: starting cylinder 25, the piston rod of cylinder 25 drive the sliding of the first drive rod 23, and the first drive rod 23 drives the second drive rod 24
Mobile, the second drive rod 24 drives rotating block 21 to rotate, and rotating block 21 drives rotation seat 20 to rotate, and rotation seat 20 drives anode plate
31 rotations, so that the angle of anode plate 31 obtains adjusting to adapt to the dedusting of different flue gases.Then flue gas is passed through into anode
Plate 31, the particle in flue gas first passes through ionization with charge, is then adsorbed by anode plate 31, thus fall into ash bucket 13, so that
Particle in flue gas is removed.
Embodiment 2-5 the difference from embodiment 1 is that: each component is calculated by weight as following table in cleaning agent.
Embodiment 6-9 the difference from embodiment 1 is that: each component is calculated by weight as following table in isolation film.
Embodiment 10-13 the difference from embodiment 1 is that: each component is calculated by weight as following table in the first auxiliary agent.
| Boric acid | Silicic acid | Water | |
| Embodiment 10 | 55 | 65 | 112.5 |
| Embodiment 11 | 60 | 70 | 125 |
| Embodiment 12 | 65 | 75 | 137.5 |
| Embodiment 13 | 70 | 80 | 150 |
Embodiment 14-17 the difference from embodiment 1 is that: each component is calculated by weight as following table in protective coating.
Comparative example
Comparative example 1 is the difference from embodiment 1 is that steel plate raw material uncoated isolation film before welding；
Comparative example 2 is the difference from embodiment 1 is that the uncoated protective coating in outer cover body surface after rooting out solder；
Detection method
The test of solder adhesion strength
The solder of heating fusing is dripped respectively in specimen surface, solder is then struck off by perching knife, when solder is rooted out in measurement
The size of required power, and root out the degree of injury (being increased by 1-10 grades of degree of injury) of specimen surface after solder.
| Embodiment | It roots out solder and exerts oneself (N) | Specimen surface situation |
| Embodiment 1 | 100-150 | 3 |
| Embodiment 2 | 100-150 | 4 |
| Embodiment 3 | 100-150 | 3 |
| Embodiment 4 | 100-150 | 2 |
| Embodiment 5 | 100-150 | 3 |
| Comparative example 1 | 300-400 | 6 |
Conclusion: it by upper Biao Ke get, roots out power used in the size comparative example 1 that solder is exerted oneself and is obviously greater than embodiment 1-
5, thus, the adhered area for being coated with solder after isolation film reduces, solder is more easy to remove.It is rooted out again by specimen surface
Degree of injury after solder, which compares, to be obtained, and the impairment scale of comparative example 1 is significantly greater than embodiment 1-5, thus, be coated with every
When removing solder from film rear shovel, not easy damaged case surface.
Shell performing leak test
Shell side is enveloped with rubber sleeve, nitrogen is then poured in rubber sleeve, so that the air pressure control in rubber sleeve
Then system placed 24 as a child, and measured the air pressure in rubber sleeve again in 1.5 atmospheric pressure.
| Embodiment | Air pressure (compared with atmospheric pressure) |
| Embodiment 1 | 1.48 |
| Embodiment 14 | 1.49 |
| Embodiment 15 | 1.5 |
| Embodiment 16 | 1.5 |
| Embodiment 17 | 1.49 |
| Comparative example 2 | 1.42 |
Conclusion: by upper Biao Ke get, the air pressure of comparative example 2 differs larger with starting air pressure, and embodiment 1,14,15,16,17
It is approximate with starting air pressure size, thus, the air-tightness for the shell being coated with after protective coating is apparently higher than uncoated protection
The air-tightness of coating.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of preparation process of electric precipitator shell, it is characterised in that the following steps are included:
S1: the welding surface of steel plate is started the cleaning processing with cleaning agent；
S2: one layer of isolation film is coated on the outer surface of steel plate raw material and inner surface, the isolation film includes following parts by weight
Component:
S3: the steel plate for being coated with isolation film is welded to obtain outer cover body by Welding face；
S4: the first auxiliary agent is sprayed on the outer surface of outer cover body；
S5: solder extra on outer surface is rooted out；
S6: the outer cover body outer surface after solder will be rooted out and coat one layer of protective coating；
Electric precipitator shell is obtained by above-mentioned six steps.
2. a kind of preparation process of electric precipitator shell according to claim 1, it is characterised in that: the cleaning agent includes
The component of following parts by weight:
3. a kind of preparation process of electric precipitator shell according to claim 1, it is characterised in that: sprayed in the S4
First auxiliary agent includes the component of following parts by weight:
50-70 parts of boric acid；
60-80 parts of silicic acid；
100-150 parts of water.
4. a kind of preparation process of electric precipitator shell according to claim 1, it is characterised in that: the protection in the S6
Coating includes the raw material of following parts by weight:
5. a kind of preparation process of electric precipitator shell according to claim 1, it is characterised in that: sprayed in the step S4
Solution temperature control is applied at 80-110 DEG C, spray time was controlled at 3-5 minutes.
6. a kind of preparation process of electric precipitator shell according to claim 1, it is characterised in that: protected in the step S6
The coating of shield coating comprises the following steps that:
(1) blasting treatment is carried out to shell body outer surface, it is quartz sand that material spray is selected in sandblasting；
(2) outer cover body after blasting treatment is first preheating to 60-120 DEG C；
(3) coating material is sprayed to by outer cover body outer surface using plasma spraying.
7. a kind of electric precipitator, including a kind of electric precipitator shell any in claim 1-4, the shell (11) is interior
One end close to top is provided with the baffle (12) being connected with shell (11), and the bottom of the shell (11) is equipped with ash bucket
(13), it is connected inside the ash bucket (13) and shell (11), it is characterised in that: more than one is installed on the baffle (12)
Regulating device (14), the regulating device (14) includes mounting rod (15), peace in the shell (11) below baffle (12)
Equipped with connecting rod (17), described mounting rod (15) one end is connected with baffle (12), the other end of the mounting rod (15) and connection
Bar (17) is connected；
The length direction of two lateral edge mounting rods (15) of the mounting rod (15) offers regulating tank (18), on the baffle (12)
It offers first through hole (19), is rotatably equipped with rotation seat (20) in the regulating tank (18), rotation seat is connected with sun on (20)
The both ends of pole plate (31), the rotation seat (20) are provided with rotating block (21), and the rotating block (21) and first through hole (19) turn
Dynamic to be connected, the baffle (12) is provided with driving assembly (22) far from the side of rotation seat (20), and the rotating block (21) passes through
One end of first through hole (19) is connected with driving assembly (22)；
The driving component (22) includes the first drive rod (23), and more than one the is connected on first drive rod (23)
Two drive rods (24), one end and the first drive rod (23) of second drive rod (24) are hinged, second drive rod
(24) the other end is hinged with rotating block (21), described first drive rod (23) one end and the cylinder being mounted on baffle (12)
(25) piston rod is connected.
8. a kind of electric precipitator according to claim 1, it is characterised in that: be removably connected on the rotation seat (20)
Anode plate (31)；Length on the rotation seat (20) along rotation seat (20) offers mounting groove (26), the anode plate (31)
The side being connected with rotation seat (20) is provided with mounting blocks (27), and the mounting blocks (27) and mounting groove (26) are clamped, and described turn
It offers mounting hole (28), is offered thread groove (29) on the mounting blocks (27), on the rotation seat (20) on dynamic seat (20)
It is provided with fixing bolt (30), the fixing bolt (30) passes through mounting hole (28) and is threadedly coupled with thread groove (29).
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| CN201910112972.2A CN110000005B (en) | 2019-02-13 | 2019-02-13 | Preparation process of electric dust collector shell and electric dust collector applying same |
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| CN201910112972.2A CN110000005B (en) | 2019-02-13 | 2019-02-13 | Preparation process of electric dust collector shell and electric dust collector applying same |
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Denomination of invention: Preparation process and application of an electrostatic precipitator shell Effective date of registration: 20230901 Granted publication date: 20201124 Pledgee: Zheshang Bank Co.,Ltd. Shaoxing Zhuji Sub branch Pledgor: ZHEJIANG RUNJIE ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980054784 |
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