CN211078797U - Reclaimed water treatment and recovery system - Google Patents
Reclaimed water treatment and recovery system Download PDFInfo
- Publication number
- CN211078797U CN211078797U CN201921379052.9U CN201921379052U CN211078797U CN 211078797 U CN211078797 U CN 211078797U CN 201921379052 U CN201921379052 U CN 201921379052U CN 211078797 U CN211078797 U CN 211078797U
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- Prior art keywords
- water
- sludge
- tank
- mud
- hydrolysis
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 239000010802 sludge Substances 0.000 claims abstract description 68
- 239000012528 membrane Substances 0.000 claims abstract description 61
- 238000000926 separation method Methods 0.000 claims abstract description 44
- 230000007062 hydrolysis Effects 0.000 claims description 21
- 238000006460 hydrolysis reaction Methods 0.000 claims description 21
- 230000020477 pH reduction Effects 0.000 claims description 21
- 238000004659 sterilization and disinfection Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 13
- 238000007599 discharging Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000006065 biodegradation reaction Methods 0.000 description 4
- 239000010840 domestic wastewater Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a reclaimed water treatment recovery system, including equalizing basin, MBR membrane biological pond, grid well, the equalizing basin is gone into the water end and is connected with the grid well, be equipped with the membrane separation unit in the MBR membrane biological pond, still include elevator pump, hydrolysis-acidification pond, sludge recycling device, the income water end of equalizing basin still is connected with the elevator pump for mend the water in rainwater river course, the play water end and the hydrolysis-acidification pond of equalizing basin are connected, the play water end and the income water end in MBR membrane biological pond of hydrolysis-acidification pond are connected, the upper end of membrane separation unit is equipped with the water pump, the water pump is connected with the clean water basin, the right side of membrane separation unit is connected with sludge separating device, sludge separating device's play water end one side is connected with the hydrolysis-acidification pond, sludge separating device's play water end opposite side is connected with sludge recycling device. The utility model relates to a reclaimed water treatment recovery system, reclaimed water treatment is effectual, and sludge recovery is convenient, and recycle rate is high.
Description
Technical Field
The utility model relates to a technical field of water treatment, in particular to reclaimed water treatment recovery system.
Background
The reclaimed water is water which can be used beneficially and meets certain use requirements after the sewage is properly treated. Compared with seawater desalination and cross-basin water transfer, the reclaimed water has obvious advantages. From the economic point of view, the cost of the reclaimed water is lowest, from the environmental protection point of view, the sewage recycling is beneficial to improving the ecological environment and realizing the virtuous cycle of the water ecology, the traditional sewage treatment technology has a quite long history, and the reclaimed water treatment process can be generally divided into three types, namely a biological treatment process, a physicochemical treatment process and a physicochemical and biochemical combined process. Wherein the biological treatment process is developed to a higher level at present, the technology is mature day by day, and the biological treatment process plays a positive role in controlling water pollution. However, with the development of science, the traditional sewage treatment technology cannot meet the current requirements, and various requirements such as adaptability, decontamination rate and effluent stability cannot reach the standard. In addition, the existing sewage treatment system has higher cost and complex structure.
Therefore research has developed a rainwater, well water centralized processing system, and patent number is 201320787052.9, including fan, equalizing basin one side is equipped with the water inlet that the sewage of being convenient for got into, and the opposite side of equalizing basin passes through the suction pump to be connected in the MBR treatment trough, and the MBR treatment trough is provided with the membrane separation unit, and the upper end of membrane separation unit is equipped with the water pump. However, the reclaimed water centralized treatment system cannot be provided with sludge centralized treatment, and the sludge discharge treatment needs manual treatment, but the manual treatment cost is high, the efficiency is low, the reclaimed water treatment effect is poor, and the recycling is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a reclaimed water treatment recovery system, reclaimed water treatment is effectual, and sludge recovery is convenient, and recycle rate is high.
In order to realize the aim, the utility model provides a reclaimed water treatment and recovery system, which comprises an adjusting tank, an MBR membrane biological tank and a grid well, the water inlet end of the regulating tank is connected with the grid well, the MBR membrane biological tank is internally provided with a membrane separation unit, the MBR membrane biological tank also comprises a lift pump, a hydrolysis acidification tank and a sludge recovery device, the water inlet end of the regulating tank is also connected with the lift pump, the water outlet end of the adjusting tank is connected with the hydrolysis acidification tank, the water outlet end of the hydrolysis acidification tank is connected with the water inlet end of the MBR membrane biological tank, the upper end of the membrane separation unit is provided with a water pump which is connected with a clean water tank, the right side of the membrane separation unit is connected with a sludge separation device, one side of the water outlet end of the sludge separation device is connected with the hydrolysis acidification tank and used for refluxing the mixed liquid, and the other side of the water outlet end of the sludge separation device is connected with the sludge recovery device and used for recovering sludge.
Through addding hydrolysis acidification pond, sludge separator and sludge recovery unit, can acidify the ammonia that gets rid of the normal water to the normal water, after the biodegradation through MBR membrane biological pond, through the separation of sludge separator again, the mixed liquid flows back and continues the acidizing degradation in the hydrolysis acidification pond, surplus sludge is through sludge recovery unit recycle, can effectively separate mixed liquid and mud, the effectual effect that improves the normal water degradation, can also carry out recycle to mud simultaneously, improve the utilization ratio of normal water.
Preferably, the water outlet end of the water pump is further connected with a disinfection tank, the disinfection tank is a sodium hypochlorite disinfection tank, and the water outlet end of the disinfection tank is connected with a clean water tank. Through setting up the disinfection pond, can disinfect again to the water in the membrane separation unit, improve the effect of normal water treatment, the water that flows in the clear water pond is cleaner, and the user uses more relieved.
Preferably, the sludge separation device comprises a sewage inlet pipe, a first sewage outlet pipe, a second sewage outlet pipe and a sludge discharging device, the upper end of the sewage inlet pipe is provided with the first sewage outlet pipe for discharging sludge into the sludge discharging device, the left end of the sewage inlet pipe is provided with the second sewage outlet pipe for returning mixed liquid into the hydrolysis acidification tank, a filter screen is arranged in the sewage inlet pipe, the lower end of the filter screen is provided with the sludge discharging device, the sludge discharging device comprises an air cylinder and a sludge push-pull rod, and the air cylinder and the sludge push-pull rod are connected and controlled to move back and forth on the filter screen. Through the dual cooperation that sets up blow off pipe one, blow off pipe two, sludge recycling device and filter screen, can effectually carry out autosegregation with mud and mixed liquid, separation efficiency is high, and the separation is effectual.
Preferably, the device also comprises a blower, wherein the blower is connected with the regulating tank, the hydrolysis acidification tank and the MBR membrane biological tank through an air pipe, and the blower is a Roots blower. Through setting up the extension, can provide oxygen for the biology in equalizing basin, hydrolysis-acidification pond and MBR membrane biological pond, maintain the biodegradable effect.
Preferably, the upper end of the membrane separation unit is further provided with a membrane suction pump, one side of the membrane suction pump is provided with a sampling valve, and the sampling valve is connected with the clean water tank through a water inlet pipe. Through setting up membrane suction pump, can extract the water in the membrane separation unit, know the treatment effect of the water in the membrane separation unit, according to the volume of the better configuration disinfection pond liquid medicine of extraction result, improve disinfection effect.
The utility model has the advantages that: through addding hydrolysis acidification pond, sludge separator and sludge recovery unit, can acidify the ammonia that gets rid of the normal water to the normal water, after the biodegradation through MBR membrane biological pond, through the separation of sludge separator again, the mixed liquid flows back and continues the acidizing degradation in the hydrolysis acidification pond, surplus sludge is through sludge recovery unit recycle, can effectively separate mixed liquid and mud, the effectual effect that improves the normal water degradation, can also carry out recycle to mud simultaneously, improve the utilization ratio of normal water.
Drawings
Fig. 1 is an overall frame diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention.
FIG. 3 is a schematic view of the structure of the sludge separating apparatus.
In the figure: 1-an adjusting tank, 2-MBR membrane biological tank, 3-a grid well, 4-a lift pump, 5-a hydrolysis acidification tank, 6-a sludge recovery device, 7-a clean water tank, 8-a disinfection tank, 9-a sludge separation device, 10-a fan, 11-a septic tank, 21-a membrane separation unit, 22-a water pump, 23-a membrane suction pump, 24-a sampling valve, 61-a sludge tank, 62-a sludge mixing cylinder, 63-a plate and frame filter press, 91-a sewage inlet pipe, 92-a sewage discharge pipe I, 93-a sewage discharge pipe II, 94-a sludge discharge device, 911-a filter screen, 941-a cylinder and 942-a sludge push-and-pull rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 3, the reclaimed water treatment and recovery system of the present invention comprises an adjusting tank 1, an MBR membrane biological tank 2, and a grid well 3, wherein a water inlet end of the adjusting tank 1 is connected with the grid well 3, a membrane separation unit 21 is arranged in the MBR membrane biological tank 2, and further comprises a lift pump 4, a hydrolysis acidification tank 5, a sludge recovery device 6, and a clean water tank 7, wherein the water inlet end of the adjusting tank 1 is further connected with the lift pump 4 for supplementing water in a rainwater river, a water outlet end of the adjusting tank 1 is connected with the hydrolysis acidification tank 5, a water outlet end of the hydrolysis acidification tank 5 is connected with the water inlet end of the MBR membrane biological tank 2, a water pump 22 is arranged on one side of the upper end of the membrane separation unit 21, a disinfection tank 8 is further connected with the water outlet end of the water pump 22, the disinfection tank 8 is a sodium hypochlorite disinfection tank, the water outlet end of the disinfection tank 8 is connected with the clean water tank 7, and the right side of the membrane, one side of the water outlet end of the sludge separation device 9 is connected with the hydrolysis acidification tank 5 and used for refluxing mixed liquid, the other side of the water outlet end of the sludge separation device 9 is connected with the sludge recovery device 6 and used for recovering sludge, and the sludge recovery device 6 comprises a sludge tank 61, a sludge mixing cylinder 62 and a plate-and-frame filter press 63.
Through adopting above-mentioned technical scheme, add hydrolysis-acidification pool 5, sludge separating device 9, sludge recovery unit 6 and disinfection pond 8, can acidify the ammonia that gets rid of the normal water to the normal water, after the biodegradation through MBR membrane biological pond 2, separate through sludge separating device 9 again, mixed liquid flows back and continues acidizing degradation to hydrolysis-acidification pool 5 in, surplus sludge is through sludge recovery unit 6 recycle, can effectively separate mixed liquid and mud, the effectual effect that improves normal water degradation, can also recycle mud simultaneously, improve the utilization ratio of normal water, can also disinfect the water in membrane separation unit 21 again, the effect of normal water treatment is improved, the water that flows into in clean water basin 7 is cleaner, the user uses more relieved.
For better carry out autosegregation with mud and mixed liquid, will mud separator 9 sets up to including into sewage pipe 91, blow off pipe 92, blow off pipe two 93 and sludge discharging device 94, the upper end of advancing sewage pipe 91 is equipped with in blow off pipe 92 is used for mud to discharge into sludge discharging device 94, the left end of advancing sewage pipe 91 is equipped with blow off pipe two 93 and is used for mixed liquid reflux to flow back into hydrolysis-acidification pond 5 in, it is equipped with filter screen 911 in the sewage pipe 91 to advance, the lower extreme of filter screen 911 is equipped with sludge discharging device 94, sludge discharging device 94 includes cylinder 941 and mud push-and-pull rod 942, cylinder 941 and mud push-pull rod 942 are connected the round trip movement on the control mud push-pull rod 942 filter screen, have improved separation efficiency, and separation effect is good.
In order to provide oxygen for organisms in the regulating tank 1, the hydrolysis acidification tank 5 and the MBR membrane biological tank 2 and maintain the biodegradation effect, a fan 10 is further arranged, the fan 10 is connected with the regulating tank 1, the hydrolysis acidification tank 5 and the MBR membrane biological tank 2 through an air pipe, and the fan 10 is a Roots fan.
In order to extract the water in the membrane separation unit 21 and know the treatment effect of the water in the membrane separation unit 21, the amount of the liquid medicine in the disinfection tank 8 is better configured according to the extraction result, the disinfection effect is improved, a membrane suction pump 23 is further arranged at the upper end of the membrane separation unit 21, a sampling valve 24 is arranged on one side of the membrane suction pump 23, and the sampling valve 24 is connected with the clean water tank 7 through a water inlet pipe.
When the domestic wastewater is treated, firstly the domestic wastewater flows into a septic tank 11, then the domestic wastewater sequentially passes through a grating well 3, an adjusting tank 1, a hydrolysis acidification tank 5 and an MBR membrane biological tank 2 for treatment, the treated water in an inner membrane separation unit 21 of the MBR membrane biological tank 2 is extracted by a membrane suction pump 23, sampled by a sampling valve 24 and a clean water tank 7, a sodium hypochlorite disinfection tank 8 is prepared according to the sampling detection result, then the treated water in the membrane separation unit 21 enters the clean water tank 7 after being disinfected by the sodium hypochlorite disinfection tank 8 for utilization of a recycling water supply system, the treated water outside the membrane separation unit 21 passes through a sludge separation device 9, the mixed liquid flows back into the hydrolysis acidification tank 5 for purification, the residual sludge sequentially enters a sludge tank 61, a sludge mixing cylinder 62 and a plate-and frame filter press 63 for outward transportation of dry sludge, and if the domestic wastewater is not enough to supply water for the recycling water supply system, a lifting pump 4 is, Water in the river channel is lifted and supplied.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. The utility model provides a reclaimed water treatment recovery system, includes equalizing basin, MBR membrane biological pond, grid well, the equalizing basin is gone into water and is held and be connected with the grid well, be equipped with membrane separation unit, its characterized in that in the MBR membrane biological pond: still include elevator pump, hydrolysis-acidification pool, sludge recovery device and clean water basin, the income water end of equalizing basin still is connected with the elevator pump for mend the water in rainwater river course, the play water end and the hydrolysis-acidification pool of equalizing basin are connected, the play water end and the income water end in MBR membrane biological pond of hydrolysis-acidification pool are connected, membrane separation unit's upper end is equipped with the water pump, the water pump is connected with the clean water basin, membrane separation unit's right side is connected with sludge separation device, sludge separation device's play water end one side is connected with hydrolysis-acidification pool and is used for the backward flow mixed liquid, sludge separation device's play water end opposite side is connected with sludge recovery device and is used for retrieving mud.
2. The reclaimed water treatment recovery system of claim 1 wherein: the water outlet end of the water pump is also connected with a disinfection tank, the disinfection tank is a sodium hypochlorite disinfection tank, and the water outlet end of the disinfection tank is connected with a clean water tank.
3. The reclaimed water treatment recovery system of claim 1 wherein: mud separator is including advancing dirty pipe, blow off pipe one, blow off pipe two and mud eduction gear, the upper end of advancing dirty pipe is equipped with blow off pipe one and is used for mud to discharge into mud eduction gear in, the left end of advancing dirty pipe is equipped with blow off pipe two and is used for mixing liquid backward flow and goes into the hydrolysis acidification pond, it is equipped with the filter screen to advance dirty intraductal, the lower extreme of filter screen is equipped with mud eduction gear, mud eduction gear includes cylinder and mud push-pull rod, the cylinder is connected with the mud push-pull rod and is used for controlling mud push-pull rod round trip movement on the filter screen.
4. The reclaimed water treatment recovery system of claim 1 wherein: the device is characterized by further comprising a blower, wherein the blower is connected with the regulating tank, the hydrolysis acidification tank and the MBR membrane biological tank through air pipes, and the blower is a Roots blower.
5. The reclaimed water treatment recovery system of claim 1 wherein: the membrane separation unit is characterized in that a membrane suction pump is further arranged at the upper end of the membrane separation unit, a sampling valve is arranged on one side of the membrane suction pump, and the sampling valve is connected with a clean water tank through a water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921379052.9U CN211078797U (en) | 2019-08-23 | 2019-08-23 | Reclaimed water treatment and recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921379052.9U CN211078797U (en) | 2019-08-23 | 2019-08-23 | Reclaimed water treatment and recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211078797U true CN211078797U (en) | 2020-07-24 |
Family
ID=71628426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921379052.9U Expired - Fee Related CN211078797U (en) | 2019-08-23 | 2019-08-23 | Reclaimed water treatment and recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211078797U (en) |
-
2019
- 2019-08-23 CN CN201921379052.9U patent/CN211078797U/en not_active Expired - Fee Related
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| 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: 20200724 Termination date: 20210823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |