CN217431237U

CN217431237U - Monoammonium phosphate tail washing purification device

Info

Publication number: CN217431237U
Application number: CN202221018812.5U
Authority: CN
Inventors: 阮怀贵; 王东波; 王道金; 朱亚端
Original assignee: Hubei Liuguo Chemical Industry Co ltd
Current assignee: Hubei Liuguo Chemical Industry Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-16
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a monoammonium phosphate tail-washing purifier, including the spray tower, the scrubbing tower, the wash bowl, be connected with the pipe chute between the top of spray tower and the bottom of scrubbing tower, the inside of pipe chute is provided with a plurality of shower nozzles, the outside of pipe chute is provided with the washing liquid conveyer pipe, the washing liquid conveyer pipe communicates with each other with the shower nozzle, the one end and the wash bowl of washing liquid conveyer pipe are connected, install the hydraulic pump on the washing liquid conveyer pipe, the wash bowl is located the bottom of scrubbing tower, the top of wash bowl is provided with the opening, the bottom of scrubbing tower is provided with the backward flow mouth, the backward flow mouth is located the open-ended upside. Through set up a plurality of shower nozzles in the pipe chute to set the shower nozzle to the different spray board of a plurality of areas and spray, increased and sprayed the area and spray the region, the washing liquid of being convenient for fully contacts with the air current, can improve the effect of spraying the purification. And a wire mesh demister is arranged at an exhaust outlet at the top of the washing tower, so that the entrainment in the air flow is prevented from being discharged together with the entrainment. This monoammonium phosphate tail-washing purifier washing purifying effect is good.

Description

Monoammonium phosphate tail washing and purifying device

Technical Field

The utility model belongs to the technical field of the monoammonium phosphate tail-washing technique and specifically relates to a monoammonium phosphate tail-washing purifier is related to.

Background

In the prior art, dust-containing gas in a monoammonium phosphate powder spraying tower enters the bottom of a tail washing tower through an inclined pipe, a layer of spraying device is designed at the top of the washing tower and is arranged into 3 nozzles in a spraying manner, and the washed gas is directly discharged through a chimney. On one hand, as the liquid-gas ratio is too small, the spraying water amount cannot meet the washing requirement, and the washing is insufficient, so that the dust emission does not reach the standard; on the other hand, the spraying layer can not completely cover the range of the tower diameter, so that part of gas is short-circuited, and part of dust-containing gas is directly discharged through a chimney. In addition, the spray device of the washing tower is arranged at the top of the washing tower and is too close to a chimney, and entrainment is serious; washing liquid circulation tank design is unreasonable, and the entry of pump is in the bottom of jar, and the washing liquid concentration of bottom is higher, and contains a large amount of impurity, and the washing absorption effect is relatively poor to lead to whole washing effect not good, scrubbing tower export dust particle exceeds standard, and the content exceeds the emission requirement, and the unable discharge to reach standard of whole system environmental protection.

Therefore, a monoammonium phosphate tail-washing purification device is needed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a monoammonium phosphate tail-washing purifier to the technical problem who exists among the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a monoammonium phosphate tail-washing purifier, includes spray tower, scrubbing tower, wash tank, the top of spray tower with be connected with the pipe chute between the bottom of scrubbing tower, the inside of pipe chute is provided with a plurality of shower nozzles, the outside of pipe chute is provided with the washing liquid conveyer pipe, the washing liquid conveyer pipe with the shower nozzle communicates with each other, the one end of washing liquid conveyer pipe with the scrubbing tank is connected, install the hydraulic pump on the washing liquid conveyer pipe, the scrubbing tank is located the bottom of scrubbing tower, the top of scrubbing tank is provided with the opening, the bottom of scrubbing tower is provided with the backward flow mouth, the backward flow mouth is located the open-ended upside.

Preferably, foretell monoammonium phosphate tail-washing purifier, wherein wire mesh demister is installed to the top exhaust port department of scrubbing tower, wire mesh demister includes the wire net of multilayer stainless steel material.

Preferably, foretell monoammonium phosphate tail-washing purifier, wherein the shower nozzle includes spray tube, the different board that sprays of a plurality of areas, it is circular to spray the board, and is a plurality of it installs to spray the board equidistance on the spray tube, spray the board with the axis of pipe chute is perpendicular.

Preferably, in the monoammonium phosphate tail-washing purification device, the plurality of spray plates are sequentially arranged along the spray pipe according to the area size.

Preferably, in the purification device for the tail washing of monoammonium phosphate, a water replenishing pipe is arranged at the opening at the top of the washing tank.

Preferably, in the purification device for tail washing of monoammonium phosphate, a drain outlet is arranged at the bottom of the washing tank.

Preferably, in the above-mentioned monoammonium phosphate tail-washing purification device, the washing liquid delivery pipe is connected to the middle position of the side surface of the washing tank.

The utility model has the advantages that: through set up a plurality of shower nozzles in the pipe chute to set the shower nozzle to the different spray board of a plurality of areas and spray, increased and sprayed the area and spray the region, the washing liquid of being convenient for fully contacts with the air current, can improve the effect of spraying the purification. The cleaning solution conveying pipe is connected to the middle position of the side face of the washing tank, so that high-concentration cleaning solution sucked into the bottom of the washing tank is prevented, and the washing effect is prevented from being influenced. And a wire mesh demister is arranged at an exhaust port at the top of the washing tower, so that the entrainment in the air flow is prevented from being discharged together. This monoammonium phosphate tail-washing purifier washing purifying effect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the spray head in the inclined pipe;

fig. 3 is a perspective view of the head.

In the drawings, the components represented by the respective reference numerals are listed below:

1. powder spray tower, 2, pipe chute, 3, washing tower, 4, silk screen demister, 5, washing tank, 6, washing liquid conveying pipe, 7, hydraulic pump, 8, drain, 9, water replenishing pipe, 10, return port, 11, pipe chute connecting pipe, 12, shower nozzle, 1201, spray pipe, 1202 and spray plate.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2 and 3, a monoammonium phosphate tail washing purification device comprises a powder spraying tower 1, a washing tower 3 and a washing tank 5, wherein an inclined pipe 2 is connected between the top of the powder spraying tower 1 and the bottom of the washing tower 3, and the inclined pipe 2 is used for discharging air flow in the powder spraying tower 1 into the washing tower 3.

The outside of pipe chute 2 is provided with washing liquid conveyer pipe 6, and washing liquid conveyer pipe 6 sets up with pipe chute 2 parallel. Washing liquid conveyer pipe 6's one end and washing jar 5 are connected, and the other end is the encapsulated situation, and washing liquid conveyer pipe 6 is close to one side equidistance of pipe chute 2 and is provided with a plurality of pipe chute connecting pipes 11, all installs shower nozzle 12 on every pipe chute connecting pipe 11, and shower nozzle 12 imbeds in the inside of pipe chute 2. The cleaning liquid conveying pipe 6 is provided with a hydraulic pump 7, and the cleaning liquid in the cleaning tank 5 is conveyed to the spray head 12 along the cleaning liquid conveying pipe 6 and the inclined pipe connecting pipe 11 through the hydraulic pump 7. The inclined tube connecting tube 11 is connected with the inclined tube 2 in a sealing way. Washing liquid conveyer pipe 6 is connected in the side middle part position of washing jar 5, because the washing liquid concentration of washing jar 5 bottom is higher, and contains a large amount of impurity, and the washing absorption effect is relatively poor, consequently sets up the side middle part at washing jar 5 with washing liquid conveyer pipe 6 and washing jar 5's interface position to improve the washing effect.

As shown in fig. 3, the nozzle 12 includes a nozzle 1201 and a plurality of shower plates 1202 with different areas, the nozzle 1201 is bent at 90 degrees, the shower plates 1202 are circular, the shower plates 1202 are equidistantly installed on the nozzle 1201, the shower plates 1202 are perpendicular to the central axis of the inclined tube 2, and the nozzle 1201 is located at the center of the shower plates 1202. The spraying plates 1202 are sequentially arranged along the spraying pipe 1201 according to the area, the spraying plate 1202 with the minimum area is arranged at the front end, when spraying, layered spraying is carried out, the spraying area and the spraying length area can be effectively improved, and the spraying and purifying effect can be greatly improved. Meanwhile, the plurality of spray heads 12 and the plurality of spray plates 1202 spray simultaneously, so that the liquid-gas ratio during spraying is improved, and the spraying and purifying effects are improved.

The washing tank 5 is located at the bottom of the washing tower 3, an opening is formed in the top of the washing tank 5, a backflow port 10 is formed in the bottom of the washing tower 3, the backflow port 10 is located on the upper side of the opening, and sprayed washing liquid flows into the bottom of the washing tower 3 along the inclined pipe 2 and flows into the washing tank 5 through the backflow port 10. A water replenishing pipe 9 is arranged at the opening at the top of the washing tank 5 and is used for adding clean water into the washing tank 5. The bottom of the washing tank 5 is provided with a drain outlet 8, and when the impurities deposited in the washing tank 5 are more, the impurities can be drained through the drain outlet 8.

Wire mesh demister 4 is installed to the top exhaust port department of scrubbing tower 3, and wire mesh demister 4 includes the wire net of multilayer stainless steel material to constitute fine and close honeycomb, play ventilative and filterable effect. Used for carrying out gas-liquid separation on the entrainment in the gas flow. In addition, the adoption of the steel wire mesh material can prevent harmful gas from corroding the wire mesh demister 4.

The working principle is as follows: carry the washing liquid in the washing tank 5 to the pipe chute connecting pipe 11 along washing liquid conveyer pipe 6 through hydraulic pump 7, washing liquid passes through pipe chute connecting pipe 11 afterwards and gets into shower nozzle 12, through spray tube 1201, spray plate 1202 sprays the washing liquid to in the pipe chute 2, when spraying, the layering sprays, can effectively improve and spray the area and spray length region, can improve the effect that sprays the purification greatly, the spraying liquid after spraying flows into the bottom of scrubbing tower 3 along pipe chute 2, and flow into in the washing tank 5 through backward flow mouth 10. The gas after spraying and purifying enters the washing tower 3, and when the gas passes through the wire mesh demister 4 before being discharged, the wire mesh demister 4 can separate gas and liquid from mist carried in the gas flow, so that the liquid is filtered, and the gas is discharged.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although an embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a monoammonium phosphate tail-washing purifier which characterized in that: including spray tower (1), scrubbing tower (3), wash tank (5), the top of spray tower (1) with be connected with pipe chute (2) between the bottom of scrubbing tower (3), the inside of pipe chute (2) is provided with a plurality of shower nozzles (12), the outside of pipe chute (2) is provided with washing liquid conveyer pipe (6), washing liquid conveyer pipe (6) with shower nozzle (12) communicate with each other, the one end of washing liquid conveyer pipe (6) with wash tank (5) are connected, install hydraulic pump (7) on washing liquid conveyer pipe (6), wash tank (5) are located the bottom of scrubbing tower (3), the top of wash tank (5) is provided with the opening, the bottom of scrubbing tower (3) is provided with backward flow mouth (10), backward flow mouth (10) are located the open-ended upside.

2. The monoammonium phosphate tail-wash purification device of claim 1, wherein: the wire mesh demister (4) is installed at the top exhaust port of the washing tower (3), and the wire mesh demister (4) comprises a plurality of layers of stainless steel wire meshes.

3. The monoammonium phosphate tail-wash purification device of claim 1, wherein: the spray head (12) comprises a spray pipe (1201) and a plurality of spray plates (1202) with different areas, the spray plates (1202) are circular, the spray plates (1202) are equidistantly arranged on the spray pipe (1201), and the spray plates (1202) are perpendicular to the central axis of the inclined pipe (2).

4. The monoammonium phosphate tail-wash purification device of claim 3, wherein: the plurality of spray plates (1202) are sequentially arranged along the spray pipes (1201) according to the area size.

5. The monoammonium phosphate tail-wash purification device of claim 1, wherein: and a water replenishing pipe (9) is arranged at the opening at the top of the washing tank (5).

6. The monoammonium phosphate tail-wash purification device of claim 1, wherein: and a sewage draining outlet (8) is formed in the bottom of the washing tank (5).

7. The monoammonium phosphate tail-wash purification device of claim 1, wherein: the washing liquid conveying pipe (6) is connected to the middle position of the side surface of the washing tank (5).