CN212864343U - Bypass structure of selective tank - Google Patents
Bypass structure of selective tank Download PDFInfo
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- CN212864343U CN212864343U CN202021674206.XU CN202021674206U CN212864343U CN 212864343 U CN212864343 U CN 212864343U CN 202021674206 U CN202021674206 U CN 202021674206U CN 212864343 U CN212864343 U CN 212864343U
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- pipe
- filter screen
- way valve
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Abstract
The utility model discloses a select pond bypass structure, select pond bypass structure to include the bypass group, the bypass group includes bypass part and washing part. The bypass part is used for directly leading sewage in the grid machine drainage pool into the selection pool, and the cleaning part is used for cleaning the bypass pipe after the bypass process is finished every time, so that the blockage of the bypass pipe due to residual sewage deposition is avoided. The utility model discloses in, when wasing the grit chamber, only need open the bypass valve just can be with the direct leading-in selection pond of the sewage in the grid machine drainage pond, after the grit chamber washs at every turn, utilize and wash the part and just can wash whole bypass pipeline to avoid the bypass pipe to take place to block up because of the sewage deposit after using for a long time. The cooperation of bypass part and washing part makes whole bypass structure simple and practical more, and the reliability is high, need not assemble and dismantle whole pipeline at every turn, has alleviateed workman's intensity of labour greatly.
Description
Technical Field
The utility model relates to a sewage treatment plant sewage bypass's technical field especially relates to and selects pond bypass structure.
Background
In a sewage treatment plant, the whole sewage treatment process generally does not leave a grating machine, a grit chamber and a selection tank for treating sewage. The grating machine is a solid-liquid separation device which can continuously remove impurities in fluid and is used for separating larger solid impurities from sewage in sewage treatment. The grit chamber is mainly used for removing sand grains with the grain diameter of more than 0.2mm and the density of more than 2.65 t/cubic meter in sewage so as to protect pipelines, valves and other facilities from abrasion and blockage. The raw water is pretreated by the selective tank at the cost of consuming part of activated sludge, and the selective tank has the effects of diluting the raw water and improving the PH of the sewage so as to facilitate subsequent treatment. Generally, sewage treated by a grid machine enters a grit chamber through a drainage chamber of the grid machine for further solid-liquid separation to remove silt in the sewage, and the sewage treated by the grit chamber enters a selection chamber for treatment.
The grit chamber is after long-term work, can deposit a large amount of silt at the bottom of the pool, and then influence the treatment effect of grit chamber to sewage, finally lead to whole sewage treatment flow can not reach sewage treatment's standard requirement, so need regularly wash the grit chamber, guarantee its normal processing function, when wasing the grit chamber, the grit chamber stop work, but the sewage treatment flow can not stop, so when wasing the grit chamber, often need directly to select the pond with the direct leading-in of sewage after the grid machine is handled, current mode is generally that the manual work is built the leading-in selection pond of sewage in the interim pipeline with grid machine drainage pond, remove the interim pipeline again after the grit chamber washs to finish, this kind of mode manual labor intensity is big, the operation is complicated.
Disclosure of Invention
To the above-mentioned problem that prior art exists, the utility model discloses a technical problem who solves is: when rinsing the grit chamber at present, the artifical intensity of the mode in leading-in selection pond of the sewage after handling the grid machine is big, the complicated problem of operation.
In order to solve the technical problem, the utility model adopts the following technical scheme:
and the selective cell bypass structure comprises a bypass group.
The bypass set includes a bypass portion and a purge portion.
The bypass portion includes a bypass pipe and a bypass valve.
One end of the bypass pipe is communicated with the drainage pool of the grid machine, the other end of the bypass pipe is communicated with the selection pool, and the communication position of the bypass pipe and the selection pool is close to the water inlet of the selection pool.
The bypass valve is arranged on the bypass pipe, and the water inlet end of the bypass valve is close to the communication position of the bypass pipe and the drainage pool of the grating machine.
The washing part includes a water supply pipe, a drain pipe, a water supply three-way valve and a drain three-way valve.
The water supply pipe is communicated with the bypass pipe through a water supply three-way valve, the water inlet end of the water supply three-way valve is communicated with the bypass pipe, and the water supply three-way valve is close to the water outlet end of the bypass valve.
The drain pipe is communicated with the bypass pipe through a drain three-way valve, the water inlet end of the drain three-way valve is communicated with the bypass pipe, and the drain three-way valve is close to the communication position of the bypass pipe and the selection pool.
Through setting up the bypass part, when wasing the grit chamber, only need open the bypass valve and just can be with the direct leading-in selection pond of sewage in the grid machine drainage pond, wash the part through setting up, after the grit chamber washs at every turn, close the bypass valve, control water supply three-way valve makes delivery pipe and bypass pipe switch-on, control drainage three-way valve makes drain pipe and bypass pipe switch-on, just can wash whole bypass pipe, remaining sewage and filth in the bypass pipe discharge along with the washing water, thereby avoid taking place to block up because of the sewage deposit after the bypass pipe uses for a long time. The cooperation of bypass part and washing part makes whole bypass structure simple and practical more, and the reliability is high, need not assemble and dismantle whole pipeline at every turn, has alleviateed workman's intensity of labour greatly.
Preferably, there are two bypass sets, and the washing portions of the two bypass sets share one water supply pipe and one water discharge pipe. Through setting up two bypass groups, when wasing the grit chamber, can work together by two bypass groups, increase bypass discharge, alleviate grid machine drainage pond pressure, wash for the grit chamber and provide more time. Meanwhile, the auxiliary bypass units can be used for one time, when one auxiliary bypass unit is damaged, the other auxiliary bypass unit can be started, and the condition that the auxiliary bypass structure cannot work when the grit chamber needs to be cleaned is avoided.
Preferably, the bypass set further comprises a filter portion.
The filtering part comprises two fixing plates and a filter screen fixing frame.
The fixed plate is of a rectangular upright column structure, rectangular openings in the height direction of the fixed plate are formed in the fixed plate, and the rectangular openings penetrate through two end faces of the fixed plate.
The fixed plates are vertically arranged in the drainage pool of the grid machine, and the two fixed plates are respectively positioned on two sides of the communication position of the bypass pipe and the drainage pool of the grid machine.
The filter screen fixing frame is of a rectangular frame structure, and a clamping groove is formed in the inner side of the frame of the filter screen fixing frame.
The fixed frame of filter screen is located between two fixed plates, and the framework and the rectangle opening cooperation of the fixed frame of filter screen, the fixed frame of filter screen can be followed the rectangle opening and slided.
The filter screen is connected with the filter screen fixing frame through the clamping groove. Through setting up the filtering part, can alleviate the pollution to selecting the pond to the sewage refilter that gets into through the bypass pipe and select the pond to and avoid in the sewage great filth to block up the bypass pipe, the practicality and the reliability of this bypass structure of greatly increased.
Preferably, the filter screen fixing frame is further provided with a lifting rod which is of a U-shaped structure, and the end parts of the two long rods of the lifting rod are vertically connected with the outer side of the frame body of the filter screen fixing frame. Through setting up the lifting rod, the workman only need utilize the lifting rod, just can easily take out the filter screen from the grid machine drainage pond to the convenience is washd and is changed the filter screen, greatly increased filtering portion's practicality.
Preferably, the short rod of the lifting rod is also provided with an anti-slip sleeve. Through setting up anti-skidding cover, it is more convenient to make the workman use the lifting rod, takes place the hand smooth when avoiding carrying, brings other unfavorable condition.
Preferably, the bypass valve, the water supply three-way valve and the water discharge three-way valve are all electrically operated valves. The bypass valve, the water supply three-way valve and the water discharge three-way valve are all electrically operated valves, so that the control operation of a worker on the whole bypass structure is simpler.
Preferably, a booster pump is further provided on the water supply pipe. Through setting up the booster pump, can increase the velocity of flow of wasing water when wasing the bypass pipe, make whole cleaning performance better, the cleaning speed is faster.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. through setting up the bypass part, when wasing the grit chamber, only need open the bypass valve just can be with the direct leading-in selection pond of the sewage in the grid machine drainage pond, wash the part through setting up, after the grit chamber washs at every turn, close the bypass valve, control water supply three-way valve makes delivery pipe and bypass pipe switch-on, control drainage three-way valve makes drain pipe and bypass pipe switch-on, just can wash whole bypass pipe, remaining sewage and filth in the bypass pipe discharge along with the washing water, thereby avoid blockking up after the bypass pipe uses for a long time, the cooperation of bypass part and washing part makes whole bypass structure simpler and more practical, high reliability, do not need assemble and dismantle whole pipeline at every turn, workman's intensity of labour has been alleviateed greatly.
2. Through setting up two bypass groups, when wasing the grit chamber, can work together by two bypass groups, increase bypass discharge, alleviate grid machine drainage pond pressure, wash for the grit chamber and provide more time. Meanwhile, the auxiliary bypass units can be used for one time, when one auxiliary bypass unit is damaged, the other auxiliary bypass unit can be started, and the condition that the auxiliary bypass structure cannot work when the grit chamber needs to be cleaned is avoided.
3. Through setting up the filtering part, can alleviate the pollution to selecting the pond to the sewage refilter that gets into through the bypass pipe and select the pond to and avoid in the sewage great filth to block up the bypass pipe, the practicality and the reliability of this bypass structure of greatly increased.
4. Through setting up the lifting rod, the workman only need utilize the lifting rod, just can easily take out the filter screen from the grid machine drainage pond to the convenience is washd and is changed the filter screen, greatly increased filtering portion's practicality.
Drawings
Fig. 1 is a layout diagram of the middle pipeline of the present invention.
Fig. 2 is a perspective view of the middle fixing plate of the present invention.
Fig. 3 is a perspective view of the fixing frame for the middle filter screen of the present invention.
Fig. 4 is a schematic structural diagram of the filtering part of the present invention.
In the figure, 1-bypass section, 11-bypass pipe, 12-bypass valve; 2-cleaning part, 21-water supply pipe, 22-water discharge pipe, 23-water supply three-way valve, 24-water discharge three-way valve; 3-a drainage pool of a grating machine, 4-a selection pool, 5-a filtering part, 51-a fixing plate, 511-a rectangular opening, 52-a filter screen fixing frame, 521-a clamping groove, 522-a lifting rod, 523-an anti-skidding sleeve and 53-a filter screen; 6-booster pump, 7-water inlet of selective tank, and 8-grit chamber.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-4, the present invention provides an embodiment:
example 1: and the selective cell bypass structure comprises a bypass group.
The bypass group comprises a bypass part 1 and a washing part 2.
The bypass portion 1 includes a bypass pipe 11 and a bypass valve 12.
One end of the bypass pipe 11 is communicated with the drainage pool 3 of the grid machine, the other end of the bypass pipe 11 is communicated with the selection pool 4, and the communication position of the bypass pipe 11 and the selection pool 4 is close to the water inlet 7 of the selection pool.
The bypass valve 12 is arranged on the bypass pipe 11, and the water inlet end of the bypass valve 12 is close to the communication position of the bypass pipe 11 and the drainage pool 3 of the grid machine.
The washing part 2 includes a water supply pipe 21, a water discharge pipe 22, a water supply three-way valve 23, and a water discharge three-way valve 24.
The water supply pipe 21 is communicated with the bypass pipe 11 through a water supply three-way valve 23, a water inlet end of the water supply three-way valve 23 is communicated with the bypass pipe 11, and the water supply three-way valve 23 is close to a water outlet end of the bypass valve 12.
The drain pipe 22 is communicated with the bypass pipe 11 through a drain three-way valve 24, a water inlet end of the drain three-way valve 24 is communicated with the bypass pipe 11, and the drain three-way valve 24 is close to a communication part of the bypass pipe 11 and the selection tank 4.
There are two bypass groups, and the washing parts 2 of the two bypass groups share one water supply pipe 21 and one water discharge pipe 22.
The bypass group also comprises a filtering portion 5.
The filter part 5 includes two fixing plates 51, a filter screen fixing frame 52, and a filter screen 53.
The fixing plate 51 is of a rectangular column structure, a rectangular opening 511 is formed in the fixing plate 51 along the height direction of the fixing plate 51, and the rectangular opening 511 penetrates through two end faces of the fixing plate 51.
The fixed plates 51 are vertically arranged in the drainage pool 3 of the grid machine, and the two fixed plates 51 are respectively positioned at two sides of the communication part of the bypass pipe 11 and the drainage pool 3 of the grid machine.
The filter screen fixing frame 52 is a rectangular frame structure, and a clamping groove 521 is arranged on the inner side of the frame of the filter screen fixing frame 52.
The filter screen fixing frame 52 is located between the two fixing plates 51, a frame body of the filter screen fixing frame 52 is matched with the rectangular opening 511, and the filter screen fixing frame 52 can slide along the rectangular opening 511.
The filter screen 53 is connected with the filter screen fixing frame 52 through a clamping groove 521.
The filter screen fixing frame 52 is further provided with a lifting rod 522, the lifting rod 522 is of a U-shaped structure, and the end parts of two long rods of the lifting rod 522 are vertically connected with the outer side of the frame body of the filter screen fixing frame 52.
The short rod of the lifting rod 522 is also provided with an anti-slip sleeve 523.
The bypass valve 12, the water supply three-way valve 23 and the water discharge three-way valve 24 are all electrically operated valves.
The water supply pipe 21 is also provided with a booster pump 6.
The utility model discloses the theory of operation of limited selection pond bypass structure as follows:
the bypass structure comprises the following working steps:
1. when the grit chamber needs to be cleaned, a channel between the drainage tank 3 of the grid machine and the grit chamber 8 is closed, and a selective tank bypass structure is used.
2. The water supply three-way valve 23 and the water discharge three-way valve 24 are controlled to lead the bypass pipe 11 to be communicated integrally, the bypass valve 12 is opened, and the sewage in the drainage pool 3 of the grid machine enters the selection pool 4 through the bypass pipe 11.
3. After the grit chamber is cleaned, the bypass valve 12 is closed, and a channel between the grit chamber 8 and the drainage tank 3 of the grid machine is opened, so that the grit chamber returns to normal operation.
4. The bypass pipe 11 is cleaned, and the water supply three-way valve 23 and the drain three-way valve 24 are controlled to communicate the bypass pipe 11 with the water supply pipe 21 and the drain pipe 22. The cleaning water in the water supply pipe 21 flows through the entire bypass pipe 11, carries away the sewage and dirt remaining in the bypass pipe 11, and is discharged through the drain pipe 22.
5. After the bypass pipe 11 is cleaned, the water supply three-way valve 23 and the water discharge three-way valve 24 are controlled to integrally conduct the bypass pipe 11 for the next use.
Use of the filtration section: when the filter screen 53 needs to be cleaned or replaced, a worker holds the short rod of the lifting rod 522 and lifts upwards, the filter screen fixing frame 52 slides upwards along the rectangular opening 511, so that the fixing plate 51 is separated, the worker can take the filter screen fixing frame 52 out of the drainage pool 3 of the grille machine, then the filter screen 53 is cleaned or replaced, and then the filter screen fixing frame 52 is put back to the original position, so that the whole operation process is simple, and the safety and the reliability are realized.
This bypass structure easy operation, workman low in labor strength, and all wash bypass pipe 11 after using at every turn, greatly reduced the probability that the jam appears in bypass pipe 11, very big improvement the reliability of this structure.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. Select pond bypass structure, its characterized in that: comprises a bypass group;
the bypass group comprises a bypass part (1) and a washing part (2);
the bypass section (1) comprises a bypass pipe (11) and a bypass valve (12);
one end of the bypass pipe (11) is communicated with the drainage pool (3) of the grid machine, the other end of the bypass pipe (11) is communicated with the selection pool (4), and the communication position of the bypass pipe (11) and the selection pool (4) is close to the water inlet (7) of the selection pool;
the bypass valve (12) is arranged on the bypass pipe (11), and the water inlet end of the bypass valve (12) is close to the communication position of the bypass pipe (11) and the grid machine drainage pool (3);
the cleaning part (2) comprises a water supply pipe (21), a water discharge pipe (22), a water supply three-way valve (23) and a water discharge three-way valve (24);
the water supply pipe (21) is communicated with the bypass pipe (11) through a water supply three-way valve (23), the water inlet end of the water supply three-way valve (23) is communicated with the bypass pipe (11), and the water supply three-way valve (23) is close to the water outlet end of the bypass valve (12);
the drain pipe (22) is communicated with the bypass pipe (11) through a drain three-way valve (24), the water inlet end of the drain three-way valve (24) is communicated with the bypass pipe (11), and the drain three-way valve (24) is close to the communication position of the bypass pipe (11) and the selection pool (4).
2. The selective cell bypass structure of claim 1, wherein: the bypass sets are two in number, and the cleaning parts (2) of the two bypass sets share one water supply pipe (21) and one water discharge pipe (22).
3. The selective cell bypass structure of claim 1, wherein: the bypass group further comprises a filtering portion (5);
the filtering part (5) comprises two fixing plates (51), a filter screen fixing frame (52) and a filter screen (53);
the fixing plate (51) is of a rectangular upright column structure, a rectangular opening (511) is formed in the fixing plate (51) along the height direction of the fixing plate (51), and the rectangular opening (511) penetrates through two end faces of the fixing plate (51);
the two fixing plates (51) are respectively positioned on two sides of the communicated part of the by-pass pipe (11) and the drainage pool (3) of the grid machine;
the filter screen fixing frame (52) is of a rectangular frame body structure, and a clamping groove (521) is formed in the inner side of the frame body of the filter screen fixing frame (52);
the filter screen fixing frame (52) is positioned between the two fixing plates (51), the frame body of the filter screen fixing frame (52) is matched with the rectangular opening (511), and the filter screen fixing frame (52) can slide along the rectangular opening (511);
the filter screen (53) is connected with the filter screen fixing frame (52) through a clamping groove (521).
4. The selective cell bypass structure according to claim 3, wherein: still be equipped with on the fixed frame of filter screen (52) and carry pull rod (522), carry pull rod (522) and be the U-shaped structure, carry the end of two stock of pull rod (522) and the vertical connection in the framework outside of the fixed frame of filter screen (52).
5. The selective cell bypass structure according to claim 4, wherein: the short rod of the lifting rod (522) is also provided with an anti-slip sleeve (523).
6. The selective cell bypass structure of claim 1, wherein: the bypass valve (12), the water supply three-way valve (23) and the water discharge three-way valve (24) are all electrically operated valves.
7. The selective cell bypass structure of claim 1, wherein: the water supply pipe (21) is also provided with a booster pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021674206.XU CN212864343U (en) | 2020-08-12 | 2020-08-12 | Bypass structure of selective tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021674206.XU CN212864343U (en) | 2020-08-12 | 2020-08-12 | Bypass structure of selective tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212864343U true CN212864343U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021674206.XU Active CN212864343U (en) | 2020-08-12 | 2020-08-12 | Bypass structure of selective tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212864343U (en) |
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2020
- 2020-08-12 CN CN202021674206.XU patent/CN212864343U/en active Active
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