CN212425776U - Assembled sewage treatment system - Google Patents
Assembled sewage treatment system Download PDFInfo
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- CN212425776U CN212425776U CN202020324890.2U CN202020324890U CN212425776U CN 212425776 U CN212425776 U CN 212425776U CN 202020324890 U CN202020324890 U CN 202020324890U CN 212425776 U CN212425776 U CN 212425776U
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Abstract
The utility model relates to an assembled sewage treatment system, belong to sewage treatment device technical field, including pretreatment unit, biochemical treatment unit, MBR membrane cisterna and equipment room, pretreatment unit includes membrane grid, equalizing basin, homogeneity pond, sedimentation tank, grit chamber and air supporting pond etc. biochemical treatment unit includes oxygen deficiency pond in advance, oxygen deficiency pond and aerobic tank, each cell body all matches reinforced concrete through the mould and pours prefabricated the assembling, connects gradually the shaping, overall structure is compact, area is little, the civil engineering cost is low, the construction cycle is only one-third of traditional cast in situ concrete engineering cycle, construction period has been shortened greatly; the industrialization level is high, the engineering quality is effectively guaranteed, and the service life is long; the operation and maintenance management is convenient and easy, the operation is simple, and the application range is wide.
Description
Technical Field
The utility model relates to a sewage treatment device technical field, in particular to assembled sewage treatment system.
Background
With the continuous development of urban economy and the continuous improvement of environmental protection standards, the requirements of medium and small sewage treatment are increasingly strengthened. In the construction of a sewage treatment plant, the key is infrastructure, which is related to success or failure of the construction of the sewage treatment plant. The conventional cast-in-place concrete mode has the following problems:
(1) the occupied area is large, and the investment cost is high;
(2) the construction period is long, the industrialization level is low, and the engineering quality is difficult to guarantee.
(3) The management and maintenance are complex, and the operation and maintenance cost is high.
At present, some enterprises adopt carbon steel or glass fiber reinforced plastics to build small and medium-sized sewage treatment devices so as to solve the problems. However, the carbon steel has poor corrosion resistance, the manufactured sewage treatment device has higher corrosion resistance requirement, the common situation at the present stage is that the external corrosion resistance is easy to be manufactured, the internal corrosion resistance is not easy to be manufactured, the corrosion resistance cost is very high, the service life is generally only about 10 years, and the strength is general. The glass fiber reinforced plastic has good corrosion resistance and longer service life than carbon steel, but the glass fiber reinforced plastic is not resistant to ultraviolet rays and is aged by long-term illumination, and is only suitable for being buried and installed completely. The underground excavation depth is large, and the cost is high. When the underground water level is higher, the anti-floating problem caused by precipitation during construction needs to be considered. In addition, the glass fiber reinforced plastic material has general strength, is easy to crack and has a service life of about 20 years.
At present, the national policy level recommends the prefabrication and assembly industrialization of buildings, and for reducing the pollution of construction waste and raise dust, the construction period is shortened, the engineering quality is improved, and the government encourages to develop a novel construction mode, and the prefabricated building is widely popularized. The assembly type sewage treatment technology adopts modular design, factory manufacturing, precast concrete component standardization, universalization, assembly construction, automatic operation and informatization management, and has high quality standard. Meanwhile, the method has the advantages of high construction speed and high engineering quality, and the service life of the method is as long as 50 years.
SUMMERY OF THE UTILITY MODEL
The technical scheme for realizing the purpose is as follows:
the utility model provides an assembled sewage treatment system, including pretreatment unit, biochemical treatment unit, MBR membrane cisterna and equipment room, be equipped with air-blower and automatically controlled cabinet in the equipment room, the top of equipment room is equipped with the top cap, pretreatment unit is the combination of arbitrary one or more in prefabricated membrane grid, prefabricated equalizing basin, prefabricated grit chamber, prefabricated sedimentation tank and the prefabricated air supporting pond, carries out the selectivity according to current sewage treatment device and adds the replenishment, or when there is no sewage treatment device, according to factors such as quality of water, construction condition and installation environment selectivity add, because of all being the prefab through the mould preparation, simple to operate is swift, and is with low costs, is convenient for quality management and control;
the biochemical treatment unit comprises a prefabricated anoxic tank and a prefabricated aerobic tank which are sequentially connected, and an aerator is arranged at the bottom of the aerobic tank;
pretreatment unit, biochemical treatment unit, MBR membrane cisterna and equipment room are the prefabricated shaping of assembling, and can dismantle the connection in proper order, and easy dismounting is swift, great shortening construction cycle, equalizing basin, grit chamber, sedimentation tank, air supporting pond, oxygen deficiency pond, good oxygen pond and MBR membrane cisterna all reserve and have water hole and pipeline wall hole, be equipped with the MBR membrane module in the MBR membrane cisterna, MBR membrane module and aerator intercommunication the air-blower for carry out the aeration oxygen suppliment through the air-blower.
Further, the biochemical treatment unit also comprises a pre-anoxic tank positioned at the upstream of the anoxic tank to strengthen the denitrification capability of the system, enhance the dephosphorization effect of the system and remove organic matters simultaneously, stirring equipment is arranged in the pre-anoxic tank, the pre-anoxic tank is prefabricated and assembled and molded, and a water passing hole and a pipeline wall penetrating hole are reserved.
Furthermore, equalizing basin, homogeneity pond, grit chamber, sedimentation tank, air supporting pond, oxygen deficiency pond, good oxygen pond, MBR membrane cisterna and in advance the oxygen deficiency pond be reinforced concrete and pour the shaping of assembling, constitute by at least one U type groove and two at least end plates, wherein U type groove and end plate all through mould cooperation reinforced concrete pouring shaping, and the rethread is connected through connecting pieces such as bolts, and processing is convenient, and quality control is stable, and whole cooperation compact structure, occupation space is little.
Further, the agitation device is a pulse aerator, which is more cost-effective and energy-efficient than conventional agitators.
Furthermore, at least two lifting pumps are arranged in the aerobic tank and communicated with the MBR membrane tank, so that the risk resistance is high, the water quantity of the membrane tank is controllable, and the membrane is protected to a certain extent.
Furthermore, the MBR membrane module is communicated with a sludge return pipe, the other end of the sludge return pipe is communicated with the pre-anoxic tank, and sludge serving as a strain flows back to the pre-anoxic tank for inoculation under the action of gravity, so that the concentration of sewage is reduced, the impact resistance of the system is improved, and denitrification is performed at the same time.
Further, the sludge return pipe is close to one end of the pre-anoxic pond is provided with a branch, the branch is communicated with a sludge storage chamber, the branch is provided with a gate valve, discontinuous sludge distribution is carried out, a sludge pump is saved, pipes are saved, and the cost is reduced.
Furthermore, a bidirectional pump is also arranged in the equipment room;
the MBR membrane cisterna with still be equipped with the clean water basin between the equipment room, the two-way pump intercommunication the MBR membrane module with the clean water basin, through the clear water of two-way pump extraction MBR membrane module, can also draw water from the clean water basin simultaneously and counter-clean the MBR membrane module.
Has the advantages that: compared with the prior art, the utility model discloses a difference lies in, the utility model provides an assembled sewage treatment system, including pretreatment unit, biochemical treatment unit, MBR membrane cisterna and equipment room, wherein pretreatment unit includes the membrane grid, the equalizing basin, the homogeneity pond, the grit chamber, one or more in sedimentation tank and the flotation tank, biochemical treatment unit includes oxygen deficiency pond in advance, oxygen deficiency pond and aerobic tank, each cell body all matches reinforced concrete through the mould and pours the prefabricated shaping of assembling, then each cell body and each unit between can dismantle the connection shaping in proper order, overall structure is compact, area is little, the civil engineering cost is low, the construction cycle is only one-third of traditional cast in situ concrete engineering cycle, construction period has been shortened greatly; the industrialization level is high, the engineering quality is effectively guaranteed, and the service life is long; the operation and maintenance management is more convenient and easier, and the operation is simple; the pre-anoxic tank is provided with the pulse aerator to replace a submersible stirrer, so that the investment cost is further saved, and more energy is saved.
Drawings
FIG. 1 is a front view of a fabricated sewage treatment system according to a preferred embodiment of the present application.
FIG. 2 is a top view of a modular sewage treatment system according to a preferred embodiment of the present application.
The system comprises a pretreatment unit 1, a membrane grid 11, a biochemical treatment unit 2, a pre-anoxic tank 21, a pulse aerator 211, an anoxic tank 22, an aerobic tank 23, an aerator 231, a lift pump 232, an MBR membrane tank 3, an MBR membrane module 31, an equipment room 4, a blower 41, an electric control cabinet 42, a bidirectional pump 43, a sludge return pipe 5, a branch flow 51, a gate valve 52 and a clean water tank 6.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, the present invention provides an assembled sewage treatment system, which comprises a pretreatment unit 1, a biochemical treatment unit 2, an MBR membrane tank 3 and an equipment room 4, wherein an air blower 41 and an electric control cabinet 42 are arranged in the equipment room 4, a top cover is arranged on the top of the equipment room 4, the pretreatment unit 1 is a combination of one or more of a prefabricated membrane grid 11, a prefabricated adjusting tank, a prefabricated homogenizing tank, a prefabricated grit chamber, a prefabricated sedimentation tank and a prefabricated air flotation tank, wherein the gap between the membrane grids 11 is 1mm or 2mm, the grit object is gravel with a particle size of more than 0.2mm, the membrane grid 11 is supplemented according to the existing sewage treatment equipment, or the grit object is selectively added according to the factors such as water quality, construction conditions and installation environment when no sewage treatment equipment exists, because the prefabricated part is manufactured by the die, the installation is convenient and quick, and the cost is low;
the biochemical treatment unit 2 comprises a prefabricated anoxic tank 22 and a prefabricated aerobic tank 23 which are sequentially connected, and an aerator 231 is arranged at the bottom of the aerobic tank 23;
pretreatment unit 1, biochemical treatment unit 2, MBR membrane cisterna 3 and equipment room 4 are the prefabricated shaping of assembling, and can dismantle the connection in proper order, and preferably reserve the bolt hole, through bolted connection, easy dismounting is swift, great shortening construction cycle, equalizing basin, sedimentation tank, air supporting pond, oxygen deficiency pond 22, good oxygen pond 23 and MBR membrane cisterna 3 all reserve and have water hole and pipeline wall hole of wearing, the circulation of the sewage between each cell body of being convenient for and the connection of pipeline through the preparation mode of reserving, make single cell body and entire system all have very good structural stability, practiced thrift process time simultaneously, be equipped with MBR membrane module 31 in the MBR membrane cisterna 3, MBR membrane module 31 and aerator 231 intercommunication air-blower 41 for carry out the aeration oxygen suppliment through 41.
Preferably, the biochemical treatment unit 2 further comprises a pre-anoxic tank 21 located at the upstream of the anoxic tank 22 to enhance the denitrification capability of the system, enhance the dephosphorization effect of the system, and remove organic matters, wherein a stirring device is arranged in the pre-anoxic tank 21, the stirring device is preferably a pulse aerator 211, so that energy is saved, and investment cost is saved.
Preferably, equalizing basin, homogeneity pond, grit chamber, sedimentation tank, air supporting pond, oxygen deficiency pond 22, good oxygen pond 23, MBR membrane cisterna 3 and in advance oxygen deficiency pond 21 are reinforced concrete pouring and assembling shaping, constitute by U type groove and end plate, and wherein U type groove and end plate all match reinforced concrete pouring shaping through the mould, and the rethread connecting piece such as bolt connects, and processing is convenient, and quality control is stable, and whole cooperation compact structure, occupation space is little.
Preferably, two lifting pumps 232 are arranged in the aerobic tank 23 and communicated with the MBR membrane tank 3, so that the risk resistance is high, the water quantity in the membrane tank is controllable, and the membrane is protected to a certain extent.
Preferably, the MBR membrane module 31 is communicated with the pre-anoxic tank 21 through a sludge return pipe 5, and sludge serving as a strain is returned to the pre-anoxic tank 21 for inoculation through the action of gravity, so that the concentration of sewage is reduced, the impact resistance of the system is improved, and denitrification is performed at the same time.
Preferably, one end of the sludge return pipe 5, which is close to the pre-anoxic tank 21, is provided with a branch 51, the branch 51 is communicated with a sludge storage chamber, and the branch 51 is provided with a gate valve 52 for intermittent sludge diversion, so that a sludge pump and a pipe are saved, and the cost is reduced.
Preferably, a bidirectional pump 43 is further arranged in the equipment room;
the MBR membrane pool 3 with still be equipped with the clean water basin 6 between the equipment room 4, two-way pump 43 intercommunication MBR membrane module 31 with clean water basin 6, the clear water of MBR membrane module 31 is extracted through two-way pump 6, can also draw water from clean water basin 6 simultaneously and back wash MBR membrane module 31.
The U-shaped groove is manufactured through a die, the manufacturing sizes are 1m in width, 7m in length, 2m in width and 7m in length, the end plates are 250mm in width and 7m in length, and the height is 3180 mm. Wherein, the width of the U-shaped groove of the pre-anoxic tank 21 and the clean water tank 6 is 1m, the anoxic tank 22 is composed of two U-shaped grooves with the width of 2m and two end plates, the aerobic tank 23 is composed of four U-shaped grooves with the width of 2m and two end plates, and the equipment room 4 is composed of one U-shaped groove with the width of 2m and two end plates.
Specifically, water treated by the coarse and fine grids sequentially enters a pre-anoxic tank, an anoxic tank and an aerobic tank through membrane grid (grid gap is 1-2 mm), is lifted by a lift pump to enter an MBR membrane tank, is filtered by an MBR membrane module and then is sucked by a bidirectional pump to enter a clean water tank, and finally is discharged from a water outlet pipe of the clean water tank. Wherein, the sludge outlet of the MBR membrane module returns to the pre-anoxic tank through a sludge return pipe, returns sludge, and partially and discontinuously returns to the sludge storage chamber through a gate valve.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (8)
1. An assembled sewage treatment system comprises a pretreatment unit, a biochemical treatment unit, an MBR membrane tank and an equipment room, wherein an air blower and an electric control cabinet are arranged in the equipment room, and the top of the equipment room is provided with a top cover;
the biochemical treatment unit comprises a prefabricated anoxic tank and a prefabricated aerobic tank which are sequentially connected, and an aerator is arranged at the bottom of the aerobic tank;
pretreatment unit, biochemical treatment unit, MBR membrane cisterna and equipment room are the prefabricated shaping of assembling, and can dismantle the connection in proper order, equalizing basin, grit chamber, sedimentation tank, air supporting pond, oxygen deficiency pond, good oxygen pond and MBR membrane cisterna are all reserved to have and are crossed water hole and pipeline wall hole, be equipped with the MBR membrane module in the MBR membrane cisterna, MBR membrane module and aerator intercommunication the air-blower.
2. The assembly type sewage treatment system of claim 1, wherein the biochemical treatment unit further comprises a pre-anoxic tank located at the upstream of the anoxic tank, stirring equipment is arranged in the pre-anoxic tank, the pre-anoxic tank is prefabricated, assembled and molded, and water through holes and pipeline wall through holes are reserved in the pre-anoxic tank.
3. The assembly type sewage treatment system of claim 2, wherein the adjusting tank, the homogenizing tank, the grit chamber, the sedimentation tank, the air flotation tank, the anoxic tank, the aerobic tank, the MBR membrane tank and the pre-anoxic tank are all formed by pouring and assembling reinforced concrete and are composed of at least one U-shaped groove and at least two end plates.
4. The fitted sewage treatment system of claim 2 wherein the agitation device is a pulse aerator.
5. The assembled sewage treatment system of claim 1 wherein at least two lift pumps are provided in the aerobic tank in communication with the MBR membrane tank.
6. The assembled sewage treatment system of claim 2, wherein the MBR membrane module is communicated with a sludge return pipe, and the other end of the sludge return pipe is communicated with the pre-anoxic tank.
7. The assembled sewage treatment system of claim 6 wherein a branch is provided at an end of the sludge return pipe adjacent to the pre-anoxic tank, the branch communicating with a sludge storage chamber, and a gate valve is provided on the branch.
8. The fabricated sewage treatment system of claim 1 wherein a bidirectional pump is further disposed in the equipment room;
the MBR membrane tank with still be equipped with the clean water basin between the equipment room, the two-way pump intercommunication the MBR membrane module with the clean water basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324890.2U CN212425776U (en) | 2020-03-16 | 2020-03-16 | Assembled sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324890.2U CN212425776U (en) | 2020-03-16 | 2020-03-16 | Assembled sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN212425776U true CN212425776U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020324890.2U Active CN212425776U (en) | 2020-03-16 | 2020-03-16 | Assembled sewage treatment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321387A (en) * | 2021-07-12 | 2021-08-31 | 深圳市润科环保应用技术研究有限公司 | Short-flow agricultural sewage integrated sewage treatment reaction equipment |
| CN115677048A (en) * | 2022-11-04 | 2023-02-03 | 云南合续环境科技股份有限公司 | Skid-mounted module assembly type water plant |
| CN116425309A (en) * | 2023-03-30 | 2023-07-14 | 北京新城禹潞环保科技有限责任公司 | Intensive assembled medium-sized sewage treatment station |
-
2020
- 2020-03-16 CN CN202020324890.2U patent/CN212425776U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321387A (en) * | 2021-07-12 | 2021-08-31 | 深圳市润科环保应用技术研究有限公司 | Short-flow agricultural sewage integrated sewage treatment reaction equipment |
| CN115677048A (en) * | 2022-11-04 | 2023-02-03 | 云南合续环境科技股份有限公司 | Skid-mounted module assembly type water plant |
| CN116425309A (en) * | 2023-03-30 | 2023-07-14 | 北京新城禹潞环保科技有限责任公司 | Intensive assembled medium-sized sewage treatment station |
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