CN220860743U - Unified regulating system for secondary sedimentation tank sleeve valve - Google Patents
Unified regulating system for secondary sedimentation tank sleeve valve Download PDFInfo
- Publication number
- CN220860743U CN220860743U CN202322636783.XU CN202322636783U CN220860743U CN 220860743 U CN220860743 U CN 220860743U CN 202322636783 U CN202322636783 U CN 202322636783U CN 220860743 U CN220860743 U CN 220860743U
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- Prior art keywords
- mud
- sleeve
- bridge
- secondary sedimentation
- sedimentation tank
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 37
- 230000001105 regulatory effect Effects 0.000 title abstract description 7
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Flow Control (AREA)
Abstract
The utility model relates to the technical field of intelligent control and electric automation, and discloses a unified regulating system for a sleeve valve of a secondary sedimentation tank, which comprises a controller and a plurality of sleeve valves, wherein the sleeve valves are provided with electric heads, and the electric heads are electrically connected with the controller; a U-shaped mud bridge is arranged in the radial direction of the secondary sedimentation tank, and the bottom of the mud bridge is lower than the sewage level in the secondary sedimentation tank; the middle part of the mud bridge is provided with a central cylinder, sleeve valves are uniformly distributed on the mud bridge at two sides of the central cylinder, the bottom of each sleeve valve is communicated with a mud outlet pipe, and the mud outlet pipe extends into the bottom of the secondary sedimentation tank. According to the scheme, the electric heads of all sleeve valves are electrically connected to the same controller, so that the controller can control all sleeve valves to be started simultaneously, the valve opening of each sleeve valve can be controlled, the valve opening of the near-end sleeve valve is smaller, the valve opening of the far-end sleeve valve is larger, and the phenomenon that the suction force of the mud pump to the central cylinder is different is balanced, so that mud discharged from each sleeve valve can be sucked away quickly, and mud discharging uniformity is realized.
Description
Technical Field
The utility model relates to the technical field of intelligent control technology and electric automation, in particular to a unified regulating system for a secondary sedimentation tank sleeve valve.
Background
In the sewage treatment process, sludge in the secondary sedimentation tank is discharged through the sleeve valve and is intensively pumped to a reflux pump station, so that the primary separation of sludge and water is realized. However, in the prior art, the installation positions and the installation number of the sleeve valves can lead to slow sludge discharge efficiency, or after the number of the sleeve valves is increased, the sludge discharged by a plurality of sleeve valves is concentrated to a central cylinder and then is concentrated by a sludge outlet pump to be pumped to a reflux pump station.
However, the above method still has the following technical problems: (1) The suction force of the mud pump to a sleeve valve (such as a far-end sleeve valve) far away from the central cylinder is gradually attenuated, so that the mud gushing pressure at the far-end sleeve valve is small, and after an adjacent sleeve valve (such as a near-end sleeve valve) is opened, the mud is diffused and easily blocks the far-end sleeve valve, so that the starting difficulty of the far-end sleeve valve is increased, and the mud discharging efficiency is influenced; (2) If the far-end sleeve valve is opened firstly, and then the near-end sleeve valve is opened, each sleeve valve can not discharge mud uniformly, so that the mud at the secondary sedimentation bottom can not be discharged uniformly, the ecological environment of the secondary sedimentation tank is deteriorated, the concentration of discharged mud is reduced, more sewage is discharged, the volume of treated mud in the subsequent mud-water separation stage is increased, and the energy consumption is increased.
Disclosure of utility model
The utility model aims to provide a unified regulating system for a secondary sedimentation tank sleeve valve, so as to solve the technical problem that a distal sleeve valve and a proximal sleeve valve cannot uniformly discharge mud in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the unified regulating system for the secondary sedimentation tank sleeve valve comprises a controller and a plurality of sleeve valves, wherein the sleeve valves are provided with electric heads, and the electric heads are electrically connected with the controller; a U-shaped mud bridge is arranged in the radial direction of the secondary sedimentation tank, and the bottom of the mud bridge is lower than the sewage level in the secondary sedimentation tank; the middle part of the mud bridge is provided with a central cylinder, the sleeve valves are uniformly distributed on the mud bridge at two sides of the central cylinder, the bottom of each sleeve valve is communicated with a mud outlet pipe, and the mud outlet pipe extends into the bottom of the secondary sedimentation tank.
The principle and the advantages of the scheme are as follows:
1. Compared with the prior art, when the far-end sleeve valve and the near-end sleeve valve are opened successively, the mud outlet pressure of the far-end sleeve valve is small, and the mud outlet uniformity is influenced.
2. This scheme is through radially being equipped with the mud bridge at two heavy ponds to make mud bridge bottom be less than the sewage liquid level in the two heavy ponds, sleeve valve bottom intercommunication has out the mud pipe, and it stretches into two heavy ponds bottoms to go out the mud pipe, and the mud after the sediment of the two heavy ponds bottoms of being convenient for is pressed out to the mud bridge from the sleeve valve along going out the mud pipe under the effect of pressure, at this moment, only need set up out the mud pump on the mud bridge, can discharge mud to follow-up separation stage on the mud bridge, realizes continuous production.
Preferably, the lowest position of the central cylinder is lower than the lowest position of the mud bridge.
The beneficial effects are that: by adopting the arrangement, the scheme ensures that the sludge on the sludge bridge can gather like the central cylinder under the action of gravity even if a sludge outlet pump is not started, so that the sludge at the bottom of the secondary sedimentation tank continuously gushes out.
Preferably, the top of the secondary sedimentation tank is provided with a human bridge, and the human bridge is positioned right above the mud bridge.
The beneficial effects are that: by adopting the arrangement, the working personnel can walk on the bridge to observe the mud outlet condition of the sleeve valves, and the mud outlet strategy of each sleeve valve can be adjusted in time.
Preferably, the sleeve valve comprises a screw rod, an inner sleeve and an outer sleeve, wherein the outer sleeve is communicated with the mud outlet pipe, the inner sleeve is sleeved inside the outer sleeve and is in sliding sealing connection with the outer sleeve, one end of the screw rod is fixedly connected with the top of the inner sleeve, and the other end of the screw rod passes through the bridge and is fixedly connected with the electric head.
The beneficial effects are that: by adopting the arrangement, the screw rod of the sleeve valve is conveniently limited on the man-bridge, and the sleeve valve is enabled to be more stable when started or closed. In addition, the electric head is exposed on the bridge, so that the electric head can be conveniently inspected or replaced at regular intervals, and the normal operation of the whole system is ensured.
Preferably, the middle parts of the man-bridge and the central cylinder are connected with support columns, and the bottoms of the support columns are fixed with the bottom of the secondary sedimentation tank.
The beneficial effects are that: by adopting the arrangement, the scheme is convenient for the stability of the mud bridge and the man bridge.
Drawings
Fig. 1 is a schematic structural diagram of a unified regulating system for a secondary sedimentation tank sleeve valve in embodiment 1 of the present utility model.
FIG. 2 is a top view of the sludge bridge and secondary sedimentation tank in example 1 of the present utility model.
Fig. 3 is a schematic diagram of a connection structure between a sleeve valve and a mud pipe in embodiment 1 of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
Reference numerals in the drawings of the specification include: sleeve valve 2, electric head 21, lead screw 22, inner sleeve 23, outer sleeve 24, sealing ring 25, secondary sedimentation tank 3, mud bridge 4, central section of thick bamboo 5, play mud pipe 6, people's bridge 7, support column 8.
Example 1
This embodiment is basically as shown in fig. 1 and 2: a unified governing system for two heavy pond sleeve valves, including PLC controller and a plurality of sleeve valve 2, sleeve valve 2 top is equipped with electric head 21, and electric head 21 all is connected with the PLC controller electricity, and the valve aperture of the sleeve valve is started, is closed or is adjusted simultaneously to the PLC controller control all sleeve valves 2 of being convenient for, and mud blocks up distal end sleeve valve 2 and leads to out mud inequality when avoiding adjacent sleeve valve 2 to start in succession.
The radial top of secondary sedimentation tank 3 is equipped with people's bridge 7, the middle part is equipped with U type mud bridge 4, and people's bridge 7 is located the mud bridge 4 directly over, and people's bridge 7 and central section of thick bamboo 5 middle part are connected with support column 8, and support column 8 bottom is fixed with the secondary sedimentation tank 3 bottom. The middle part of the mud bridge 4 is provided with a central cylinder 5, the bottom of the central cylinder 5 is provided with a mud pump (not shown in the figure), and the sleeve valve 2 is fixed between the mud bridge 4 and the human bridge 7 and is uniformly distributed on the mud bridge 4 at two sides of the central cylinder 5. In this embodiment, the number of sleeve valves 2 is 14, and 7 sleeve valves are distributed on the mud bridges 4 at two sides of the central cylinder 5.
The bottom of the mud bridge 4 is lower than the sewage level in the secondary sedimentation tank 3, so that the sludge at the bottom of the secondary sedimentation tank 3 is conveniently pressed out to the mud bridge 4 along the mud outlet pipe 6 and the sleeve valve 2 under the action of sewage gravity; the lowest position of the central cylinder 5 is lower than the lowest position of the mud bridge 4, so that even when the mud pump is not started, the mud on the mud bridge 4 can be collected into the central cylinder 5 under the action of gravity.
As shown in fig. 3, in this scheme, the sleeve valve 2 further includes a screw rod 22, an inner sleeve 23, and an outer sleeve 24, where the outer sleeve 24 is fixed on the mud bridge 4, and the lower end of the outer sleeve 24 is communicated with a mud outlet pipe 6, and the mud outlet pipe 6 extends into the bottom of the secondary sedimentation tank 3. The inner sleeve 23 is sleeved inside the outer sleeve 24 and is in sliding sealing connection with the outer sleeve 24, specifically, the upper part of the outer sleeve 24 is connected with a flange and a sealing ring 25, the inner sleeve 23 passes through the sealing ring 25 to be in sliding connection with the outer sleeve 24, and a mud outlet hole is formed in the outer sleeve 24. One end of the screw rod 22 is fixedly connected with the top of the inner sleeve 23, and the other end of the screw rod passes through the bridge 7 and is fixedly connected with the electric head 21.
In the scheme, the PLC controller 1 is a PLC controller, the PLC controller and the electric head 21 are of the prior art, and the model can be selected according to actual needs.
The specific implementation mode is as follows:
First, the apparatus is installed and the controller and the power head 21 are connected PLCPLC in a circuit-safe manner;
Then, according to the distance between the sleeve valves 2 and the central cylinder 5, the valve opening of each sleeve valve 2 is estimated approximately, and the estimation principle is as follows: the relation between the valve opening and the distance is inversely related, namely, the closer the valve opening of the sleeve valve is to the central cylinder, the larger the valve opening of the sleeve valve is; subsequently, the PLC controller simultaneously starts 14 sleeve valves according to the estimated valve sizes of the sleeve valves through the electric head 21, and then finely adjusts the valve opening of each sleeve valve according to the mud output quantity and the mud output state of each sleeve valve on site, so that mud output of each sleeve valve is uniform, mud flow on the mud bridge 4 reaches balance, and the valve opening of each sleeve valve when the balance is reached is recorded as the initial valve opening of the sleeve valve which is started subsequently.
Finally, according to the water inflow of the secondary sedimentation tank, the valve opening of the 14 sleeve valves is synchronously adjusted, so that the uniform mud discharge of the 14 sleeve valves can be realized, the mud discharge efficiency is effectively improved, and the influence on the continuity of the sewage treatment of the secondary sedimentation tank caused by the accumulation of bottom mud due to uneven mud discharge can be avoided.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. A unified governing system for two heavy pond sleeve valves, its characterized in that: the electric motor comprises a controller and a plurality of sleeve valves, wherein the sleeve valves are provided with electric heads, and the electric heads are electrically connected with the controller; a U-shaped mud bridge is arranged in the radial direction of the secondary sedimentation tank, and the bottom of the mud bridge is lower than the sewage level in the secondary sedimentation tank; the middle part of the mud bridge is provided with a central cylinder, the sleeve valves are uniformly distributed on the mud bridge at two sides of the central cylinder, the bottom of each sleeve valve is communicated with a mud outlet pipe, and the mud outlet pipe extends into the bottom of the secondary sedimentation tank.
2. The unified adjustment system for a secondary sedimentation tank sleeve valve of claim 1, wherein: the lowest position of the central cylinder is lower than the lowest position of the mud bridge.
3. The unified adjustment system for a secondary sedimentation tank sleeve valve of claim 2, wherein: the top of the secondary sedimentation tank is provided with a man bridge, and the man bridge is positioned right above the mud bridge.
4. A unified regulation system for a secondary sedimentation tank sleeve valve according to claim 3, characterized in that: the sleeve valve comprises a screw rod, an inner sleeve and an outer sleeve, wherein the outer sleeve is communicated with a mud outlet pipe, the inner sleeve is sleeved inside the outer sleeve and is in sliding sealing connection with the outer sleeve, one end of the screw rod is fixedly connected with the top of the inner sleeve, and the other end of the screw rod penetrates through a bridge and is fixedly connected with the electric head.
5. The unified adjustment system for a secondary sedimentation tank sleeve valve of claim 4 wherein: the middle parts of the man-bridge and the central cylinder are connected with support columns, and the bottoms of the support columns are fixed with the bottoms of the secondary sedimentation tanks.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322636783.XU CN220860743U (en) | 2023-09-27 | 2023-09-27 | Unified regulating system for secondary sedimentation tank sleeve valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322636783.XU CN220860743U (en) | 2023-09-27 | 2023-09-27 | Unified regulating system for secondary sedimentation tank sleeve valve |
Publications (1)
Publication Number | Publication Date |
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CN220860743U true CN220860743U (en) | 2024-04-30 |
Family
ID=90818784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322636783.XU Active CN220860743U (en) | 2023-09-27 | 2023-09-27 | Unified regulating system for secondary sedimentation tank sleeve valve |
Country Status (1)
Country | Link |
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CN (1) | CN220860743U (en) |
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2023
- 2023-09-27 CN CN202322636783.XU patent/CN220860743U/en active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240530 Address after: 401121 No. 651 Jintong Avenue, Baixi Village, Kangmei Street, Liangjiang New District, Yubei District, Chongqing Patentee after: CHONGQING THREE GORGES WATER CO.,LTD. Country or region after: China Address before: 400700 Jialing village 67, Beibei District, Chongqing Patentee before: Chongqing Three Gorges Water Beibei drainage Co.,Ltd. Country or region before: China |
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TR01 | Transfer of patent right |