CN214571004U - Sludge transfer system of biochemical reaction tank - Google Patents
Sludge transfer system of biochemical reaction tank Download PDFInfo
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- CN214571004U CN214571004U CN202022906880.2U CN202022906880U CN214571004U CN 214571004 U CN214571004 U CN 214571004U CN 202022906880 U CN202022906880 U CN 202022906880U CN 214571004 U CN214571004 U CN 214571004U
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- circulating pump
- sludge transfer
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- 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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Abstract
The utility model belongs to the technical field of the sewage treatment technique and specifically relates to a biochemical reaction pond sludge transfer system. A sludge transfer system for biochemical reaction tanks comprises at least more than two reaction tanks, wherein a sewage circulating pump is correspondingly arranged on the outer side of each reaction tank, the sewage circulating pump is connected with a circulating pump inlet pipeline and a circulating pump outlet pipeline, a circulating pump inlet valve is arranged on the circulating pump inlet pipeline, and a circulating pump outlet valve is arranged on the circulating pump outlet pipeline; sludge transfer pipelines are connected between the circulating pump outlet pipelines of the reaction tanks; and sludge transfer valves are arranged at the two ends of the sludge transfer pipeline and the positions of the circulating pump outlet pipeline connected with the sludge transfer pipeline. The utility model discloses a sludge transfer is through self circulating pump line connection, need not with the help of interim immersible pump, when greatly improving transport efficiency, has also increased the security of transporting, greatly reduces the cost of transportation simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the sewage treatment technique and specifically relates to a biochemical reaction pond sludge transfer system.
Background
The process changes the spatial distribution of the traditional aeration tank and sedimentation tank into the temporal distribution to form an integrated simple structure, has the advantages of small occupied area, easy sludge sedimentation, synchronous nitrogen and phosphorus removal and the like, and the intermittent aeration mainly comprises a circulating pump, a sewage circulating pipeline, an aerator, an aeration fan and an air inlet pipeline.
In the current sewage treatment field, the activated sludge method is one of the most widely applied treatment processes, and the process takes a biochemical reaction tank as a core treatment device, and under the action of aeration, mixed liquid in the biochemical reaction tank obtains enough oxygen and microorganisms living on activated sludge decompose soluble organic matters, so that sewage is purified. The dissolved oxygen concentration in the biochemical reaction tank directly influences the removal efficiency of organic matters, influences the growth of activated sludge in the activated sludge process sewage treatment process, and is an important factor influencing the operation cost and the effluent quality, so the dissolved oxygen concentration is an important control parameter for process control in the operation of the activated sludge process treatment system, and an aeration fan and an aerator are the most effective devices for ensuring the dissolved oxygen.
Because the waste water has certain corrosivity, although the common aerator does not need maintenance, the long-term corrosive and high-hardness waste water also has certain damage effect on the aerator, so that the aeration effect of the aerator is poor, the effluent quality of biochemical reaction is influenced, and the activated sludge is in a sub-health state in the past.
Because the aerator is arranged at the bottom of the biochemical reaction tank, the sludge-water mixture exists in the biochemical reaction tank for a long time, once the aerator is overhauled, the local aeration pipe and the bracket of the biochemical reaction tank are replaced, and the rest pipelines are cleaned, washed and the like; must take out mud to other biochemical reaction ponds through interim immersible pump, only can change the aerator with biochemical reaction pond clearance, and biochemical reaction can have toxic gas to produce, has huge hidden danger to examining the maintenance. The traditional mode is that all mud-water mixture in the aeration tank are pumped to other reaction tanks through the interim immersible pump, and it is self-evident to its work load of the great reaction tank of area occupied, and the siltation of a large amount of mud in bottom leads to interim immersible pump to damage easily, mud transport efficiency is very low, and transports the cost very high.
The SBR reaction tank has the advantages that the complete plug flow in time and the complete mixing in space are organically fused, a large amount of biochemical sludge exists in the reaction tank, each reaction tank independently operates, meanwhile, due to the instability of chemical wastewater, the biochemical reaction tank can be impacted in different degrees, and the problem can be solved in a short time by supplementing fresh sludge to the reaction tank. At present, the temporary submersible pump is used for pumping mud in other reaction tanks, so that the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: SBR reaction tank is after long-time the use, and aeration pipe damages, blocks up, and the aerator damages, need take out the mud in the reaction tank through interim immersible pump during the maintenance and just can maintain, transports inefficiency. The utility model aims at designing a biochemical reaction pond sludge transfer system, conveniently transporting the mud in the reaction pond. Based on this purpose, the utility model discloses a technical scheme as follows:
a sludge transfer system for biochemical reaction tanks comprises at least more than two reaction tanks, wherein a sewage circulating pump is correspondingly arranged on the outer side of each reaction tank, the sewage circulating pump is connected with a circulating pump inlet pipeline and a circulating pump outlet pipeline, a circulating pump inlet valve is arranged on the circulating pump inlet pipeline, and a circulating pump outlet valve is arranged on the circulating pump outlet pipeline; sludge transfer pipelines are connected between the circulating pump outlet pipelines of the reaction tanks; and sludge transfer valves are arranged at the two ends of the sludge transfer pipeline and the positions of the circulating outlet pipeline connected with the sludge transfer pipeline.
Furthermore, a circulating pump inlet blow-down valve is also arranged on the circulating pump inlet pipeline.
Furthermore, a circulating pump inlet expansion joint is arranged between the circulating pump inlet blowoff valve and the sewage circulating pump.
Furthermore, a circulating pump outlet check valve is arranged between the sewage circulating pump and the circulating pump outlet valve.
Furthermore, a circulating pump expansion joint is connected between the circulating pump outlet check valve and the sewage circulating pump.
Furthermore, the outlet pipelines of the circulating pump are connected with pressure gauges.
Furthermore, the inlet valve and the outlet valve of the circulating pump are butterfly valves.
The utility model has the advantages as follows:
the aerator is installed at the biochemical reaction bottom of the pool, carries out the aerator maintenance as required, and biochemical reaction pond local aeration pipe and support are changed, and all the other pipeline clearance, wash, during work such as high-quality mud is transported between the reaction tank, and traditional operation is taken out mud to other biochemical reaction ponds through plus interim immersible pump, needs interim external power supply line, increases interim immersible pump, and it is very low to transport efficiency, and the cost of transportation is very high. The utility model discloses the transportation method is through self circulating pump pipe connection, need not with the help of interim immersible pump, when greatly improving transport efficiency, has also increased the security of transporting, greatly reduces the cost of transportation simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of the sludge transfer system of the biochemical reaction tank of the present invention (2 biochemical reaction tanks are taken as an example in the figure);
in the figure, 1-sludge transfer pipeline, 2-sewage circulating pump, 21-circulating pump inlet pipeline, 22-circulating pump outlet pipeline, 23-circulating pump inlet valve, 24-circulating pump outlet valve, 25-circulating pump inlet blowdown valve, 26-circulating pump inlet expansion joint, 27-circulating pump outlet check valve, 28-circulating pump expansion joint and 3-sludge transfer valve.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Example 1
A biochemical reaction tank sludge transfer system comprises at least more than two reaction tanks, wherein a sewage circulating pump 2 is correspondingly arranged on the outer side of each reaction tank, the sewage circulating pump 2 is connected with a circulating pump inlet pipeline 21 and a circulating pump outlet pipeline 22, a circulating pump inlet valve 23 is arranged on the circulating pump inlet pipeline 21, and a circulating pump outlet valve 24 is arranged on the circulating pump outlet pipeline 22; a sludge transfer pipeline 1 is connected between the circulating pump outlet pipelines 22 of each reaction tank, and sludge transfer between the mutually communicated reaction tanks is realized through the sludge transfer pipeline 1; sludge transfer valves 3 are arranged at the two ends of the sludge transfer pipeline 1 and the position of the circulating outlet pipeline 22 connected with the sludge transfer pipeline. When 3 closess of reaction tank sludge transfer valve, 2 reaction tank autonomous working, when these 2 sludge transfer valves open, realize the transportation of mud.
Specifically, a circulating pump inlet blow-down valve 25 is also provided on the circulating pump inlet line 21. The blowoff valve is closed at ordinary times, and when needing the discharge sewage, open the blowoff valve, blowoff valve sewage passes through the trench and discharges to waste water collecting pit.
Specifically, a circulation pump inlet expansion joint 26 is arranged between the circulation pump inlet blowdown valve 25 and the sewage circulation pump 2. The expansion joint is used for compensating the displacement of the medium in the pipeline caused by temperature change.
Specifically, a circulation pump outlet check valve 27 is provided between the sewage circulation pump 2 and the circulation pump outlet valve 24. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards and preventing a sewage circulating pump and a driving motor from reversing.
Specifically, a circulating pump expansion joint 28 is connected between the circulating pump outlet check valve 27 and the sewage circulating pump 2.
Specifically, the outlet pipelines 22 of the circulating pumps are all connected with pressure gauges. The pressure gauge is used for measuring the pressure in the pipeline, and prevents the pipeline pressure from being overlarge to cause accidents.
Specifically, the circulation pump inlet valve 23 and the circulation pump outlet valve 24 are butterfly valves.
The working process of the utility model is as follows:
(1) after the sludge in one biochemical reaction tank is precipitated, removing supernatant through a decanter, and opening a sludge transfer valve corresponding to the supernatant and a sludge transfer valve at the end of the reaction tank, into which the sludge needs to be transferred, at the other end of a sludge transfer pipeline;
(2) and closing the outlet valve of the circulating pump of the reaction tank for transferring the sludge out, keeping the sewage circulating pump continuously running, and transferring the sludge in the reaction tank to the corresponding reaction tank communicated with the sludge transfer pipeline.
(3) And (5) after the transfer is finished, emptying the reaction tank for transferring the sludge.
Similarly, the sludge in other reaction tanks can be transferred to the reaction tank communicated with the sludge.
Under the normal operating, close sludge transfer valve 3 between the reaction tank, each reaction tank is the normal operating independently, if meet one of them reaction tank aerator and overhaul, biochemical reaction tank local aeration pipe and support are changed, all the other pipeline cleaning, when washing, need with reaction tank mud temporary transfer, the sludge transfer valve between the reaction tank is opened to the accessible this moment, close the circulating pump outlet valve 24 of the reaction tank that needs temporary transfer mud to go out, keep sewage circulating pump 2 to run continuously, mud in the reaction tank can be transported to the reaction tank with it through sewage circulating pump and mud transfer pipeline this moment, alright carry out the aerator after the mud is transported and overhaul.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.
Claims (7)
1. The utility model provides a biochemical reaction pond sludge transfer system which characterized in that: the device comprises at least two reaction tanks, wherein a sewage circulating pump (2) is correspondingly arranged on the outer side of each reaction tank, the sewage circulating pump (2) is connected with a circulating pump inlet pipeline (21) and a circulating pump outlet pipeline (22), a circulating pump inlet valve (23) is arranged on the circulating pump inlet pipeline (21), and a circulating pump outlet valve (24) is arranged on the circulating pump outlet pipeline (22); a sludge transfer pipeline (1) is connected between the circulating pump outlet pipelines (22) of each reaction tank; and sludge transfer valves (3) are arranged at the two ends of the sludge transfer pipeline (1) and the positions of the circulating pump outlet pipeline (22) connected with the sludge transfer pipeline.
2. The biochemical reaction tank sludge transfer system according to claim 1, wherein the circulating pump inlet pipeline (21) is further provided with a circulating pump inlet blowdown valve (25).
3. The biochemical reaction tank sludge transfer system according to claim 2, wherein a circulation pump inlet expansion joint (26) is arranged between the circulation pump inlet blowdown valve (25) and the sewage circulation pump (2).
4. The biochemical reaction tank sludge transfer system according to claim 1, wherein a circulating pump outlet check valve (27) is arranged between the sewage circulating pump (2) and the circulating pump outlet valve (24).
5. The biochemical reaction tank sludge transfer system according to claim 4, wherein a circulating pump expansion joint (28) is connected between the circulating pump outlet check valve (27) and the sewage circulating pump (2).
6. The biochemical reaction tank sludge transfer system according to claim 1, wherein a pressure gauge is connected to each of the circulating pump outlet lines (22).
7. The biochemical reaction tank sludge transfer system according to claim 1, wherein the circulation pump inlet valve (23) and the circulation pump outlet valve (24) are butterfly valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022906880.2U CN214571004U (en) | 2020-12-07 | 2020-12-07 | Sludge transfer system of biochemical reaction tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022906880.2U CN214571004U (en) | 2020-12-07 | 2020-12-07 | Sludge transfer system of biochemical reaction tank |
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| CN214571004U true CN214571004U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607855A (en) * | 2020-12-07 | 2021-04-06 | 江苏索普化工股份有限公司 | Sludge transfer system and sludge transfer method for biochemical reaction tank |
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- 2020-12-07 CN CN202022906880.2U patent/CN214571004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607855A (en) * | 2020-12-07 | 2021-04-06 | 江苏索普化工股份有限公司 | Sludge transfer system and sludge transfer method for biochemical reaction tank |
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