CN214780997U - Mud discharging device for hydrolysis acidification tank - Google Patents
Mud discharging device for hydrolysis acidification tank Download PDFInfo
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- CN214780997U CN214780997U CN202022941390.6U CN202022941390U CN214780997U CN 214780997 U CN214780997 U CN 214780997U CN 202022941390 U CN202022941390 U CN 202022941390U CN 214780997 U CN214780997 U CN 214780997U
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- Prior art keywords
- hydrolysis
- sludge
- acidification
- pond
- tank
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- 230000020477 pH reduction Effects 0.000 title claims description 61
- 230000007062 hydrolysis Effects 0.000 title claims description 40
- 238000006460 hydrolysis reaction Methods 0.000 title claims description 40
- 238000007599 discharging Methods 0.000 title abstract description 4
- 239000010802 sludge Substances 0.000 claims abstract description 92
- 230000003301 hydrolyzing effect Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a hydrolysis-acidification pond sludge discharging device, it includes guide wall, sludge pump and small-size excess sludge fill, the guide wall sets up inside hydrolysis-acidification pond to with inside left hydrolysis-acidification pond and the right hydrolysis-acidification pond of dividing of pond, left side hydrolysis-acidification pond and the right hydrolysis-acidification pond can communicate with each other, small-size excess sludge fill is established in the bottom in the right hydrolysis-acidification pond, the sludge pump is established outside at the right hydrolysis-acidification pond, sludge discharge pipe of entrance connection of sludge pump, the sludge discharge pipe pass behind the pool wall in the right hydrolysis-acidification pond, stretch into the bottom of the pool in the right hydrolysis-acidification pond. The application reduces the mud bucket and the buried mud pipe, the construction difficulty is reduced, and the economic cost is reduced; the sludge discharge hopper and the buried pipe are changed into the residual sludge hopper, so that the number of the underground pipes and the number of the in-tank sludge discharge hopper are reduced, and the installation and the overhaul are convenient.
Description
Technical Field
The utility model relates to a mud device is arranged to hydrolysis-acidification pool mainly is applied to hydrolysis-acidification system for newly-built municipal sewage treatment plant and industrial waste water treatment such as petrochemical industry, weaving, papermaking, printing and dyeing, making, pharmacy, tanning.
Background
When the existing hydrolysis acidification tank is designed and applied, the active filler is hung in the hydrolysis acidification tank, so that sludge is attached to the filler to form a film, the contact area of sewage and sludge is increased, and the contact time of the sludge and the sewage is prolonged. Because generally do not establish row mud device, only design gravity sludge discharge pipe and blow-down pipe, its long-term operation back has following shortcoming: 1. activated sludge is self-renewed after film formation, sludge which loses activity falls off, and a large amount of sludge is deposited in a sludge discharge hopper due to excessive sludge backflow, so that the blockage of the sludge discharge hopper is caused by the hardened sludge entering a sludge discharge pipe and an emptying pipe, and the blockage removal and cleaning work is very difficult; in addition, the sludge discharge pipe and the emptying pipe are generally buried pipes, the buried pipes need to be replaced by excavating, the workload is huge, the construction time is long, and the normal operation of the whole sewage station is influenced; 2. due to untimely sludge discharge, a large amount of sludge is deposited in the sludge discharge hopper and is decayed and fermented at the bottom of the tank, so that the treatment effect is reduced; 3. the sludge discharge pipe and the emptying pipe are blocked, and when maintenance is needed and treatment is improper, the filling collapses easily and safety accidents are caused due to overloading of the filling film; 4. the period and the sludge discharge amount of manual sludge discharge are not fixed, so that a sludge discharge hopper and a sludge discharge pipe are easily blocked; 5. the whole hydrolysis acidification pool needs to be emptied during maintenance, the workload is huge, and the maintenance time is long.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a mud device is arranged in hydrolysis-acidification pond that structural design is reasonable.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a mud device is arranged to hydrolytic acidification pond which characterized in that: including guide wall, sludge pump and small-size excess sludge fill, the guide wall sets up inside the hydrolytic acidification pond to with inside left hydrolytic acidification pond and the right hydrolytic acidification pond of dividing of pond, left side hydrolytic acidification pond and right hydrolytic acidification pond can communicate with each other, the bottom in the right hydrolytic acidification pond is established to small-size excess sludge fill, the sludge pump is established outside the hydrolytic acidification pond in the right side, and sludge discharge pipe is connected to the entrance point of sludge pump, sludge discharge pipe passes behind the pool wall in the hydrolytic acidification pond in the right side, stretches into the bottom of the pool in the hydrolytic acidification pond in the right side.
Preferably, this row's mud device still includes dive mixer, and dive mixer installs inside anterior segment hydrolytic acidification pond.
Preferably, the submersible mixer is mounted on a support, and the support is fixedly connected with the inner wall of the front-section hydrolysis acidification pool.
Preferably, the sludge pump is mounted on a base platform, which is arranged outside the right hydrolysis-acidification tank.
Preferably, the guide wall is provided with two sides, the guide walls on the two sides are arranged in tandem, the top surface of the guide wall on the side close to the left hydrolysis-acidification tank is connected with the top of the hydrolysis-acidification tank, and a gap is reserved between the bottom surface of the guide wall and the bottom of the hydrolysis-acidification tank; the bottom surface of the guide wall on the other side is connected with the bottom of the hydrolysis acidification tank, and a space is reserved between the top surface of the guide wall and the top of the hydrolysis acidification tank.
Preferably, the top of the right hydrolysis acidification tank is provided with an upper water inlet, and the top of the left hydrolysis acidification tank is provided with an upper water outlet.
Compared with the prior art, the utility model, have following advantage and effect:
1. the mud discharge hopper and the buried mud discharge pipe are reduced, the construction difficulty is reduced, and the economic cost is reduced;
2. the sludge discharge hopper and the buried pipe are changed into the residual sludge hopper, so that the number of the underground pipes and the number of the underground pipes in the tank are reduced, and the installation and the maintenance are convenient;
3. the sludge pump is automatically controlled, so that the sludge discharging time and frequency are increased, and the manual operation is reduced;
4. a guide wall is added, the excess sludge is stably precipitated to an excess sludge hopper and enters a right hydrolysis acidification tank through the guide wall, and the sludge deposition at the bottom of the hydrolysis acidification tank is reduced;
5. during maintenance, only the residual sludge hopper needs to be emptied, all hydrolysis acidification tanks do not need to be emptied integrally, and maintenance time is saved.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic plan view of an embodiment of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic sectional view along line B-B of fig. 1.
Description of reference numerals: the system comprises a guide wall 1, a sludge pump 2, a small excess sludge hopper 3, a left hydrolysis acidification tank 41, a right hydrolysis acidification tank 42, an upper water inlet 43, an upper water outlet 44, a base platform 5, a sludge discharge pipe 6, a second sludge discharge pipe 7, a submersible mixer 8 and a support 9.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples
See fig. 1-3.
The embodiment discloses a hydrolysis acidification tank sludge discharge device, which comprises a guide wall 1, a sludge pump 2 and a small excess sludge hopper 3. The guide wall 1 is arranged inside the hydrolysis acidification tank, so that the inside of the tank is divided into a left hydrolysis acidification tank 41 and a right hydrolysis acidification tank 42, the top of the right hydrolysis acidification tank 42 is provided with an upper water inlet 43, the top of the left hydrolysis acidification tank 41 is provided with an upper water outlet 44, and the left hydrolysis acidification tank 41 can be communicated with the right hydrolysis acidification tank 42.
In this embodiment, the small excess sludge hopper 3 is provided at the bottom of the right hydrolysis-acidification tank 42. The sludge pump 2 is arranged on a base platform 5, the base platform 5 is arranged outside the right hydrolysis-acidification tank 42, the inlet end of the sludge pump 2 is connected with a sludge discharge pipe 6, and the sludge discharge pipe 6 passes through the tank wall of the right hydrolysis-acidification tank 42 and extends into the tank bottom of the right hydrolysis-acidification tank 42. The outlet end of the sludge pump 2 is connected with a second sludge discharge pipe 7, and the second sludge discharge pipe 7 is connected with a sludge concentration tank.
This row mud device still includes dive mixer 8, dive mixer 8 is installed in anterior segment hydrolysis-acidification pond, and anterior segment hydrolysis-acidification pond sets up two in this embodiment, and that hydrolysis-acidification pond that is provided with the guide wall is the back end hydrolysis-acidification pond, and sewage loops through behind two anterior segment hydrolysis-acidification ponds, passes through the right side hydrolysis-acidification pond 42 and the left side hydrolysis-acidification pond 41 in back end hydrolysis-acidification pond in proper order again, then flows out from the upper portion delivery port 44 at the top of the left side hydrolysis-acidification pond 41. The submersible mixer 8 is arranged on a bracket 9, and the bracket 9 is fixedly connected with the inner wall of the front-section hydrolysis acidification pool.
In this embodiment, the diversion wall 1 is provided with two sides, and the diversion walls 1 on the two sides are arranged in tandem, wherein the top surface of the diversion wall 1 on the side close to the left hydrolysis-acidification tank 41 is connected with the top of the hydrolysis-acidification tank, and a gap is reserved between the bottom surface and the bottom of the hydrolysis-acidification tank; the bottom surface of the guide wall 1 on the other side is connected with the bottom of the hydrolysis acidification tank, and a space is reserved between the top surface of the guide wall and the top of the hydrolysis acidification tank.
According to the process, a guide wall 1 is designed in the hydrolysis acidification tank, a small excess sludge hopper 3 is additionally arranged to form a combined tank, and a sludge discharge hopper and a buried sludge discharge pipe are not required to be arranged. Sewage is uniformly stirred in the front-section hydrolysis acidification tank through the submersible stirrer 8, sludge after self-renewal and shedding of activated sludge on the filler and partial floating sludge stably enter the small excess sludge hopper 3 (no filler is hung) through the central water outlet, after natural gravity sedimentation, the sludge is automatically discharged into the sludge concentration tank through the setting of the sludge pump 2, sewage enters the right hydrolysis acidification tank 42 through the guide wall 1 and then enters the aerobic tank through the upper water outlet 43, and excessive rotten sludge is reduced in the aerobic tank. Mud in the small-size excess sludge fill 3 passes through plc control sludge pump 2, increases row's mud time and frequency, reduces manual operation, avoids excess sludge.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a mud device is arranged to hydrolytic acidification pond which characterized in that: including guide wall, sludge pump and small-size excess sludge fill, the guide wall sets up inside the hydrolytic acidification pond to with inside left hydrolytic acidification pond and the right hydrolytic acidification pond of dividing of pond, left side hydrolytic acidification pond and right hydrolytic acidification pond can communicate with each other, the bottom in the right hydrolytic acidification pond is established to small-size excess sludge fill, the sludge pump is established outside the hydrolytic acidification pond in the right side, and sludge discharge pipe is connected to the entrance point of sludge pump, sludge discharge pipe passes behind the pool wall in the hydrolytic acidification pond in the right side, stretches into the bottom of the pool in the hydrolytic acidification pond in the right side.
2. The hydrolysis acidification tank sludge discharge device according to claim 1, wherein: the sludge discharge device also comprises a submersible mixer, and the submersible mixer is arranged inside the front-section hydrolysis acidification pool.
3. The hydrolysis acidification tank sludge discharge device according to claim 2, wherein: the submersible mixer is arranged on a support, and the support is fixedly connected with the inner wall of the front-section hydrolysis acidification pool.
4. The hydrolysis acidification tank sludge discharge device according to claim 1, wherein: the sludge pump is installed on a base platform, and the base platform is arranged outside the right hydrolysis-acidification tank.
5. The hydrolysis acidification tank sludge discharge device according to claim 1, wherein: the guide wall is provided with two sides, the guide walls on the two sides are arranged in tandem, wherein the top surface of the guide wall on the side close to the left hydrolysis-acidification tank is connected with the top of the hydrolysis-acidification tank, and a gap is reserved between the bottom surface of the guide wall and the bottom of the hydrolysis-acidification tank; the bottom surface of the guide wall on the other side is connected with the bottom of the hydrolysis acidification tank, and a space is reserved between the top surface of the guide wall and the top of the hydrolysis acidification tank.
6. The hydrolysis acidification tank sludge discharge device according to claim 1, wherein: the top of the right hydrolysis acidification tank is provided with an upper water inlet; the top of the left hydrolysis acidification tank is provided with an upper water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022941390.6U CN214780997U (en) | 2020-12-10 | 2020-12-10 | Mud discharging device for hydrolysis acidification tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022941390.6U CN214780997U (en) | 2020-12-10 | 2020-12-10 | Mud discharging device for hydrolysis acidification tank |
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| CN214780997U true CN214780997U (en) | 2021-11-19 |
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| CN202022941390.6U Active CN214780997U (en) | 2020-12-10 | 2020-12-10 | Mud discharging device for hydrolysis acidification tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291895A (en) * | 2021-12-31 | 2022-04-08 | 中山市高平织染水处理有限公司 | Sludge discharge device and process for hydrolysis acidification tank |
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2020
- 2020-12-10 CN CN202022941390.6U patent/CN214780997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291895A (en) * | 2021-12-31 | 2022-04-08 | 中山市高平织染水处理有限公司 | Sludge discharge device and process for hydrolysis acidification tank |
| CN114291895B (en) * | 2021-12-31 | 2022-09-13 | 中山市高平织染水处理有限公司 | Sludge discharge device and process for hydrolysis acidification tank |
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