CN209890446U - Domestic sewage treatment system - Google Patents
Domestic sewage treatment system Download PDFInfo
- Publication number
- CN209890446U CN209890446U CN201920215303.3U CN201920215303U CN209890446U CN 209890446 U CN209890446 U CN 209890446U CN 201920215303 U CN201920215303 U CN 201920215303U CN 209890446 U CN209890446 U CN 209890446U
- Authority
- CN
- China
- Prior art keywords
- tank
- grid well
- treatment system
- pond
- sewage treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims abstract description 3
- 239000010802 sludge Substances 0.000 claims description 25
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a domestic sewage treatment system, including the water-collecting grid well, equalizing basin, hydrolysis-acidification pool, anaerobism pond, middle pond, good oxygen pond and the MBR pond that communicate in proper order, the MBR pond has the water discharge port, just the MBR pond still communicates there is mud removal system, in can dismantle in the water-collecting grid well and be connected with a plurality of grids that top-down connected gradually, the water-collecting grid well pass through the sewage elevator pump with the equalizing basin intercommunication, the inlet end and the exit end of sewage elevator pump respectively with the water-collecting grid well with the equalizing basin intercommunication. The utility model has the characteristics of fully separate the mud in the sewage to fully degrade the organic matter in the sewage, be applicable to domestic sewage's processing field.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, specifically speaking relates to a domestic sewage treatment system.
Background
Domestic sewage is directly discharged without standard treatment, so that water sources are seriously polluted, and the surrounding sanitation is influenced. Because the construction and operation of the sewage treatment plant are not only expensive, but also restricted and influenced by various factors, the optimal selection of the treatment process scheme is the most critical to ensure the operation performance of the treatment plant and reduce the cost. In addition, the cleaning operation of the sludge separated from the sewage is complicated, and a system for separating the large-volume sludge in a front-end manner and treating the sludge separated by the purification system is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a domestic sewage treatment system which can fully separate the sludge in the sewage and fully degrade the organic matters in the sewage.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a domestic sewage treatment system, is including the grid well that catchments, equalizing basin, hydrolysis-acidification pond, anaerobism pond, middle pond, good oxygen pond and the MBR pond that communicate in proper order, the MBR pond has water discharge port, just the MBR pond still communicates has mud to get rid of the system, in can dismantle in the grid well that catchments and be connected with a plurality of grids that top-down connected gradually, the grid well that catchments pass through the sewage elevator pump with the equalizing basin intercommunication, the inlet end and the exit end of sewage elevator pump respectively with the grid well that catchments with the equalizing basin intercommunication.
Further, the sludge removal system comprises a sludge tank and a sludge dewatering machine which are communicated with each other, and the sludge tank is communicated with the MBR tank.
Furthermore, the water collecting grid well comprises a well body, the caliber of the bottom of the well body is reduced downwards along the vertical direction, and the inlet end of the sewage lifting pump is communicated with the bottom of the water collecting grid well.
Furthermore, the mesh number of the water falling holes of the plurality of layers of the grids is increased downwards along the vertical direction.
Furthermore, a plurality of layers the grid is connected through the connecting plate of vertical setting, the connecting plate is two and relative setting, works as a plurality of layers the grid assemble in when the grid well that catchments, two the connecting plate is laminated with the corresponding lateral wall of the grid well that catchments mutually.
Furthermore, a first flange extending horizontally and outwards is formed at the edge of the uppermost grille, a second flange matched with the first flange is formed at the top end of the water collecting grille well, and the first flange and the second flange are connected and fastened through bolts and nuts.
Furthermore, two hanging rings are symmetrically arranged on the grid at the top.
Furthermore, the water collecting grid well, the adjusting tank, the hydrolysis acidification tank, the anaerobic tank, the aerobic tank and the MBR tank are all made of stainless steel materials and are buried underground.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the water collecting grid well is detachably connected with a plurality of grids which are sequentially connected from top to bottom, when sewage enters the water collecting grid well, the sewage sequentially passes through the plurality of grids so as to separate solid impurities with large volume and large volume in the sewage layer by layer, and due to the design of the plurality of grids, impurity layered filtration is realized, so that the blockage of the water collecting grid well caused by excessive large volume impurities in the sewage is avoided; the anaerobic tank, the intermediate water tank and the aerobic tank form an AA/O system, namely an anaerobic-anoxic-aerobic method, so that the anaerobic tank, the intermediate water tank and the aerobic tank have good denitrification and dephosphorization effects, and further realize the decomposition of organic matters in sewage; the MBR tank is used for carrying out sludge-water separation, clear water which reaches the standard after separation is discharged, and sludge in the MBR tank is treated by a sludge removal system communicated with the MBR tank so as to realize the full treatment of the sludge; therefore, the utility model has the characteristics of fully separating the mud in the sewage to fully degrading the organic matter in the sewage.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a process flow diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a water collecting grid well according to an embodiment of the present invention.
Labeling components: 1-well body, 2-second flange, 3-assembly hole, 4-first grid, 5-second grid, 6-connecting plate, 7-first flange, 8-bolt, 9-hanging ring and 10-sewage lifting pump.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Embodiment a domestic sewage treatment system
The embodiment discloses a domestic sewage treatment system, as shown in fig. 1 and 2, which comprises a water collecting grid well, an adjusting tank, a hydrolysis acidification tank, an anaerobic tank, an intermediate water tank, an aerobic tank and an MBR tank which are sequentially communicated along the flow direction of sewage. The sewage enters an adjusting tank after passing through a water collecting grid well and removing larger suspended matters blocking a water pump and a pipeline, the water quality and the water quantity are uniform in the adjusting tank, then the sewage enters an AA/O system consisting of an anaerobic tank, an intermediate tank and an aerobic tank to carry out nitrogen and phosphorus removal, organic matters are degraded by microorganisms, then mud and water separation is carried out through an MBR tank, and purified clear water is discharged through a water discharge port of the MBR tank. In this embodiment, in order to discharge sludge in the MBR tank and perform dehydration treatment, the MBR tank is communicated with a sludge removal system. Wherein, the sludge removal system includes sludge impoundment and the sludge dewaterer of intercommunication each other, and the sludge impoundment sets up in the below in MBR pond and is linked together with the MBR pond. In order to save space and prevent corrosion, the water collecting grid well, the regulating tank, the hydrolysis acidification tank, the anaerobic tank, the aerobic tank and the MBR tank are all made of stainless steel materials and are buried underground.
This embodiment is in order to make the impurity in the sewage according to the difference of volume in the grid well that catchments layered separation, and then avoids the impurity gathering of different volumes on the grid of grid well that catchments, causes the jam of grid well that catchments, as shown in figure 2, can dismantle in grid well that catchments and be connected with two-layer at least grid, and two-layer at least grid connects gradually through 6 top-down of the connecting plate of vertical setting. The number of the grills is two, the first grille 4 is positioned at the upper part, and the second grille 5 is positioned at the lower part. Wherein, the connecting plate 6 is two and relative settings, and when these grids assembled in the grid well that catchments, two connecting plates 6 laminated mutually with the corresponding lateral wall of the grid well that catchments, and symmetrical welding has two link 9 on first grid 4, and the couple that is convenient for like this lift by crane the setting colludes and hangs on link 9 to the dismouting of the grid that the realization was linked together. In order to facilitate the assembly and disassembly of the grids in the water collecting grid well, a first flange 7 extending horizontally outwards is formed at the edge of the first grid 4, and a second flange 2 matched with the first flange 7 is formed at the top end of the water collecting grid well. And in order to prevent accidents such as roof fall of the water collecting grid well, the grid is flushed out of the water collecting grid well, a plurality of bolts 8 are uniformly welded on the first flange 7, assembling holes 3 are respectively formed in positions, corresponding to the bolts 8, of the second flange 2, and each bolt 8 penetrates through the corresponding assembling hole 3 and is fastened through a nut (not shown in the figure). When the impurities on each grid are excessively accumulated, the nuts are screwed off, the grids are lifted out, and then cleaning operation is performed. In this embodiment, in order to separate the impurities by the respective grills step by step, the mesh number of the water falling holes of the grills is increased in the vertical direction downward.
In the embodiment, in order to facilitate transportation of sewage in the water collecting grid well into the regulating tank without being interfered by impurities isolated by the grid, the water collecting grid well is communicated with the regulating tank through the sewage lifting pump 10, and the inlet end and the outlet end of the sewage lifting pump 10 are respectively communicated with the water collecting grid well and the regulating tank; wherein, the grid well that catchments includes the well body 1, and the bore of the bottom of well body 1 reduces downwards along vertical direction so that the concentration of sewage, and the entrance point of sewage elevator pump 10 communicates with the bottom of grid well that catchments.
The embodiment of the utility model provides a working process as follows:
firstly, domestic sewage passes through a water collecting grid well, and impurities with large volume and larger volume in the sewage are separated layer by layer through a plurality of grids; then, the sewage is conveyed to an adjusting tank through a sewage lifting pump 10, the adjusting tank is used for homogenizing water quality and water quantity, and then enters a hydrolysis acidification tank; then, the sewage enters an anaerobic tank, an intermediate water tank and an aerobic tank for denitrification and dephosphorization, so that organic matters are degraded by microorganisms; and finally, flowing into an MBR tank, performing sludge-water separation through an MBR membrane and discharging clear water, wherein sludge in the MBR tank enters a sludge tank, and the sludge is transported outside after passing through a sludge dewatering machine.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (8)
1. The utility model provides a domestic sewage treatment system which characterized in that: including the grid well that catchments, equalizing basin, hydrolysis-acidification pool, anaerobism pond, middle pond, good oxygen pond and the MBR pond that communicates in proper order, the MBR pond has the water discharge port, just the MBR pond still communicates has mud to get rid of the system, in can dismantle in the grid well that catchments and be connected with a plurality of grids that top-down connected gradually, the grid well that catchments pass through the sewage elevator pump with the equalizing basin intercommunication, the inlet end and the exit end of sewage elevator pump respectively with the grid well that catchments with the equalizing basin intercommunication.
2. The domestic sewage treatment system of claim 1, wherein: the sludge removal system comprises a sludge tank and a sludge dewatering machine which are communicated with each other, and the sludge tank is communicated with the MBR tank.
3. The domestic sewage treatment system of claim 1, wherein: the water collecting grid well comprises a well body, the caliber of the bottom of the well body is reduced downwards along the vertical direction, and the inlet end of the sewage lifting pump is communicated with the bottom of the water collecting grid well.
4. The domestic sewage treatment system of claim 1, wherein: the mesh number of the water falling holes of the plurality of layers of the grids is increased downwards along the vertical direction.
5. The domestic sewage treatment system of claim 1, wherein: the plurality of layers the grids are connected through the connecting plates which are vertically arranged, the connecting plates are two and oppositely arranged, and when the grids are assembled in the water collecting grid well, the connecting plates are attached to the corresponding side walls of the water collecting grid well.
6. The domestic sewage treatment system of claim 5, wherein: the edge of the uppermost grid is provided with a first flange which extends horizontally and outwards, the top end of the water collecting grid well is provided with a second flange matched with the first flange, and the first flange and the second flange are connected and fastened through bolts and nuts.
7. The domestic sewage treatment system of claim 5, wherein: two hanging rings are symmetrically arranged on the uppermost grid.
8. The domestic sewage treatment system of claim 1, wherein: the water collecting grid well, the regulating tank, the hydrolysis acidification tank, the anaerobic tank, the aerobic tank and the MBR tank are all made of stainless steel materials and are buried underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215303.3U CN209890446U (en) | 2019-02-20 | 2019-02-20 | Domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215303.3U CN209890446U (en) | 2019-02-20 | 2019-02-20 | Domestic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209890446U true CN209890446U (en) | 2020-01-03 |
Family
ID=69016542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920215303.3U Expired - Fee Related CN209890446U (en) | 2019-02-20 | 2019-02-20 | Domestic sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209890446U (en) |
-
2019
- 2019-02-20 CN CN201920215303.3U patent/CN209890446U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101113042A (en) | Novel integral sewage water purifier | |
| CN101955302A (en) | Coupling, filtering and intermediate aerating bioreactor | |
| CN206872639U (en) | A kind of integrated sewage treating apparatus | |
| CN209890446U (en) | Domestic sewage treatment system | |
| CN201890787U (en) | Double-layered pressure type integrated deoiler | |
| CN219058763U (en) | Sewage purification tank with multi-stage structure | |
| CN102050552A (en) | Novel high-turbidity and biochemical integrated water purifier | |
| CN217516812U (en) | Energy-efficient sewage treatment system | |
| CN102068848A (en) | Filter for directly filtering raw water | |
| CN201694868U (en) | Degreaser | |
| CN201124061Y (en) | Sewage treatment apparatus | |
| CN211712840U (en) | Zero-emission treatment system for circulating cooling water | |
| CN210711167U (en) | Materialization and biochemical disconnect-type MBR nitrogen and phosphorus removal processing system | |
| CN207619098U (en) | A kind of Air flotation biological filter tank | |
| CN209740932U (en) | Integrated device for wetland water inlet pretreatment | |
| CN107082533A (en) | Integrated sewage treating apparatus | |
| CN108046418B (en) | Aerobic internal circulation biological separation reactor | |
| CN106745706B (en) | Activated sludge precipitation device placed in aeration tank | |
| CN112811717A (en) | Landfill leachate treatment process | |
| CN207016631U (en) | Integrated sewage treating apparatus | |
| CN201883001U (en) | Novel high-turbidity and biochemistry integrated water purifier | |
| KR100453705B1 (en) | An apparatus and a method for treating waste water using a settling filter tank | |
| CN2856021Y (en) | Oi contg sewage treatment system | |
| CN204058182U (en) | Four-in-one sewage treatment equipment modified node method | |
| CN201002999Y (en) | Integration highly effective water purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |