CN203976464U - A kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out - Google Patents
A kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out Download PDFInfo
- Publication number
- CN203976464U CN203976464U CN201420314183.XU CN201420314183U CN203976464U CN 203976464 U CN203976464 U CN 203976464U CN 201420314183 U CN201420314183 U CN 201420314183U CN 203976464 U CN203976464 U CN 203976464U
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- China
- Prior art keywords
- suction pump
- main
- catchments
- absorption tube
- water absorption
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- 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 - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000012528 membrane Substances 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000009825 accumulation Methods 0.000 abstract description 7
- 230000003020 moisturizing effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out, it comprises membrane bioreactor, suction pump and aspirator pump, membrane bioreactor is connected to the main that catchments of level via the arm that catchments, the main that catchments is connected with the water absorption tube of suction pump, the main that catchments is connected with aspirator pump via the vent valve of outwards exhaust, on the water absorption tube of catchment main and/or suction pump, is provided with liquidometer.The utility model is by utilizing liquidometer to monitor exactly the liquid level in the water absorption tube of suction pump, thereby can be after accumulation air to a certain degree, Automatic-bleeding moisturizing, thus make the operation of suction pump unaffected.
Description
Technical field
The utility model relates to a kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out.
Background technology
In recent years, along with improving constantly of standard of drainage, the engineering application of immersion MBR (membrane bioreactor) was more and more general.In the process of immersion MBR application, because the water outlet of immersion MBR adopts suction pump Smoking regime conventionally, suction function can cause being negative pressure state in the water absorption tube (being the main that catchments of MBR) of suction pump, causes making dissolved gases in water constantly to discharge and accumulation gradually in the water absorption tube (being the main that catchments of MBR) of suction pump.After this accumulation acquires a certain degree, will form vapour lock, cause suction pump sky to take out not water outlet.In order to maintain the continual and steady operation of suction pump, must take measures, ensure that these gases are discharged in time being accumulated to before being enough to affect the normal operation of suction pump.
In prior art, the traditional method of realizing above-mentioned purpose is, at pipeline highest point, off-gas pump is set, and utilizes the start and stop of the vacuum degree control off-gas pump in pipeline or additive vessel.But in fact, the vacuum tightness in suction pump water absorption tube is only relevant with pollution and the chocking-up degree of film, with to discharge tolerance in water not directly related.Therefore, vacuum tightness can not directly reflect air capacity truly.In addition, along with the operation of system, the continuous obstruction of film, the level of vacuum that suction needs continues to increase, and the gas discharging thus also can get more and more, so the burst size of gas neither be fixed all the time.Therefore, thus the solution of prior art can not solve gas buildup well affects the problem of the normal operation of suction pump.
In view of this, a kind of method that can make to air capacity in suction pump water absorption tube timely discharge reaction is wished to develop in this area, really to ensure suction pump normally operation to greatest extent.
Utility model content
The utility model, for the problems referred to above, has proposed a kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out.
Particularly, the utility model provides a kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out, it comprises membrane bioreactor, suction pump and aspirator pump, membrane bioreactor is connected to the main that catchments of level via the arm that catchments, the main that catchments is connected with the water absorption tube of suction pump, and the main that catchments is connected with aspirator pump to catchment on main and/or water absorption tube via the vent valve of outwards exhaust and is provided with liquidometer.
Preferably, catchment on main and water absorption tube and be only provided with a liquidometer.Alternatively, catchment on main and water absorption tube and be respectively arranged with a liquidometer.
Preferably, vent valve is vacuum breaker.
Preferably, in the time that liquidometer monitors liquid level in water absorption tube and drops to the designated water level that starts to affect the normal operation of suction pump, suction pump auto stop, and off-gas pump automatically starts and bleeds, via vent valve withdrawing gas.
Preferably, on the arm that catchments of membrane bioreactor, can be provided with valve, and valve can be pneumavalve or motorized valve.
The utility model is by utilizing liquidometer to monitor exactly the liquid level in the water absorption tube of suction pump, thereby can be after accumulation air to a certain degree, Automatic-bleeding moisturizing, thus make the operation of suction pump unaffected.
Brief description of the drawings
Specific embodiment of the utility model is described below with reference to accompanying drawings, wherein:
Fig. 1 is the schematic diagram that prevents the device that submerged membrane bio-reactor water outlet suction pump sky takes out according to of the present utility model.
Embodiment
In order to make the technical solution of the utility model and advantage clearer, below in conjunction with accompanying drawing, exemplary embodiment of the present utility model is described in more detail, obviously, described embodiment is only a part of embodiment of the present utility model, instead of all embodiment's is exhaustive.
Contriver of the present utility model scrutinizes the problems referred to above, discovery addresses the above problem two conditions: first will understand the air capacity in suction pump water absorption tube, to determine whether to reach exhaust reference mark, second will be in discharging accumulation gas in time, there is enough water to occupy the occupied space of original release gas, eliminate vapour lock.
Accordingly, contriver of the present utility model has proposed following solution.
As shown in Figure 1, a kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out mainly comprises membrane bioreactor 10, suction pump 20 and aspirator pump 30.Compared with the device of device of the present utility model and prior art, its improvements are mainly the measure that prevents that suction pump sky from taking out, therefore this specification sheets concentrates on and describes these parts that changes compared to existing technologies, and part same as the prior art will no longer be described.
Membrane bioreactor 10 is connected to the main 12 that catchments of level via some parallel arms 11 that catchment that are provided with valve 111.The main 12 that catchments is connected with the water absorption tube 21 of suction pump 20.On the top of the main 12 that catchments of level, the vent valve 121 of outwards exhaust is installed, and is connected with aspirator pump 30 via vent valve 121.The form of vent valve 121 can be vacuum breaker.
And, on main 12 and/or water absorption tube 21, liquidometer 19 is set catchmenting, to monitor the liquid level change of catchmenting in main 12 and water absorption tube 21.Particularly, according to the concrete structure of whole device, can a liquidometer be only set in main 12 and water absorption tube 21 catchmenting, such as in the position that can monitor liquid level in catchment main 12 and water absorption tube 21 simultaneously, liquidometer 12 being set as shown in Figure 1, particularly, catchment main 12 and vertical water absorption tube 21 intersections of level, because be first the water level decline (from top to bottom) of catchmenting in main 12 of level, the water level being then only in vertical water absorption tube 21 declines.Additionally, if cannot monitor the liquid level of catchmenting in main 12 and water absorption tube 21 a position simultaneously, so also can be respectively in main 12 and water absorption tube 21, a liquidometer be set respectively catchmenting, if such as catchment main 12 and water absorption tube 21 are not above-mentioned level and vertically arrange.The utility model does not limit this, as long as can monitor the liquid level change of catchmenting in main 12 and water absorption tube 21.
The device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out of the present utility model prevents that the specific works process that suction pump 20 skies take out is as follows.In the time that the liquid level of catchmenting in main 12 reaches main top, illustrate in the main 12 that catchments and there is no air or at least considerably less, therefore there is not vaccuum phenomenon, therefore the normal operation of suction pump 20 is unaffected.Now, each valve 111 catchmenting on arm 11, in open mode, carries out normal pumping operation.When the carrying out along with the operation of drawing water, suction function cause water absorption tube 21 and be with it communicated with the main 12 that catchments in be negative pressure state, dissolved gases in water is constantly discharged and accumulation gradually in the top of main 12 of catchmenting, cause the liquid level of catchmenting in main 12 and even water absorption tube 21 to decline gradually.In the time that the liquid level in water absorption tube 21 drops to the designated water level that starts to affect suction pump 20 normal operations; suction pump 20 auto stops; off-gas pump 30 automatically starts and bleeds, and via vent valve 121 withdrawing gass, and is taken up space with the alternative withdrawing gas of water of extracting out from membrane bioreactor 10.Along with the carrying out bleeding, in the time that the liquid level of catchmenting in main 12 of membrane bioreactor 10 reaches main top, illustrate gas substantially discharge complete, off-gas pump 30 auto stops so, suction pump 20 is resumed operation, and can recover normal pumping operation.
The valve 111 catchmenting on arm 11 of membrane bioreactor 10 can be pneumavalve or motorized valve.
In the utility model, by utilizing liquidometer to monitor exactly the liquid level in the water absorption tube of suction pump, thus can be after accumulation air to a certain degree, Automatic-bleeding moisturizing, thus make the operation of suction pump unaffected.
Above embodiment is only in order to the technical solution of the utility model to be described, but not is limited.Therefore,, in the situation that not deviating from spirit of the present utility model and essence thereof, those skilled in the art can make various changes, replacement and modification.Obviously, but within these changes, replacement and modification all should be covered by the protection domain of the utility model claim.
Claims (6)
1. a device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out, it comprises membrane bioreactor (10), suction pump (20) and aspirator pump (30), membrane bioreactor (10) is connected to the main that catchments (12) of level via the arm that catchments (11), the main (12) that catchments is connected with the water absorption tube (21) of suction pump (20), the main (12) that catchments is connected with aspirator pump (30) via the vent valve (121) of outwards exhaust, it is characterized in that catchmenting on the water absorption tube (21) of main (12) and/or suction pump (20) and be provided with liquidometer (19).
2. the device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out as claimed in claim 1, is characterized in that, described in catchment on main (12) and described water absorption tube (21) and be only provided with a liquidometer (19).
3. the device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out as claimed in claim 1, it is characterized in that, described in catchment on main (12) and described water absorption tube (21) and be respectively arranged with a liquidometer (19).
4. as described in as arbitrary in claims 1 to 3, prevent the device that submerged membrane bio-reactor water outlet suction pump sky is taken out, it is characterized in that described vent valve (121) is vacuum breaker.
5. as described in as arbitrary in claims 1 to 3, prevent the device that submerged membrane bio-reactor water outlet suction pump sky is taken out; it is characterized in that in the time that described liquidometer (19) monitors liquid level in described water absorption tube (21) and drops to the designated water level that starts to affect the normal operation of described suction pump (20); described suction pump (20) auto stop; and described off-gas pump (30) automatically starts and bleeds, via vent valve (121) withdrawing gas.
6. the device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out as claimed in claim 5, it is characterized in that being provided with valve (111) on the arm that catchments (11) of described membrane bioreactor (10), and described valve (111) can be pneumavalve or motorized valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314183.XU CN203976464U (en) | 2014-06-12 | 2014-06-12 | A kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314183.XU CN203976464U (en) | 2014-06-12 | 2014-06-12 | A kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976464U true CN203976464U (en) | 2014-12-03 |
Family
ID=51973928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314183.XU Expired - Lifetime CN203976464U (en) | 2014-06-12 | 2014-06-12 | A kind of device that prevents that submerged membrane bio-reactor water outlet suction pump sky from taking out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976464U (en) |
-
2014
- 2014-06-12 CN CN201420314183.XU patent/CN203976464U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |