CN213824210U - Integration MBR belt cleaning device - Google Patents
Integration MBR belt cleaning device Download PDFInfo
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- CN213824210U CN213824210U CN202022820209.6U CN202022820209U CN213824210U CN 213824210 U CN213824210 U CN 213824210U CN 202022820209 U CN202022820209 U CN 202022820209U CN 213824210 U CN213824210 U CN 213824210U
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Abstract
The utility model discloses an integrated MBR cleaning device, which comprises a cleaning water tank, a backwashing water tank, a filter and a control device which are connected in sequence through pipelines; the outlet end of the filter is connected to the inside of the cleaning water tank through a pipeline; a second self-sucking pump for controlling the flow direction of the cleaning liquid is arranged on a pipeline of the cleaning water tank connected to the backwashing water tank, and the input end of the second self-sucking pump is connected with the output end of the control device; a first pressure gauge is arranged on a pipeline connected with the inlet end of the self-sucking pump II, and the output end of the first pressure gauge is connected with the input end of the control device; and a flow meter is arranged on a pipeline connected with the outlet end of the self-sucking pump II, and the output end of the flow meter is connected with the input end of the control device. The utility model adopts the cleaning mode of forward washing and back washing of the membrane component, which can better recover the water flux of the membrane and prolong the service life of the membrane product; through setting up controlling means, manometer and flowmeter, improved device wholeness ability, and degree of automation is high, it is convenient to overhaul.
Description
Technical Field
The utility model relates to a belt cleaning device technical field, concretely relates to integration MBR belt cleaning device.
Background
The MBR is a new sewage treatment process combining membrane separation technology and biochemical treatment technology, and it uses the membrane micropore interception function to intercept the active sludge of aerobic or anaerobic system in the reactor, and improves the degradation efficiency of pollution factors such as COD and BOD by improving the concentration of the active sludge and prolonging the sludge age, so as to reach the discharge standard.
The membrane bioreactor MBR has the advantages of good effluent quality, small floor area, low operation cost and the like, and is widely applied to urban domestic sewage treatment, sewage treatment of districts and hotels, wastewater treatment of slaughterhouses and wastewater treatment of wine plants, and wastewater treatment of pharmacy, fermentation, chemical industry, printing and dyeing, petrochemical industry and the like. In order to ensure the filtering effect of the MBR, the MBR membrane needs to be cleaned regularly.
Along with the gradual improvement of the sewage discharge standard, the adding amount of a flocculating agent is greatly increased in order to improve the sewage discharge standard for a sewage treatment project adopting a high-density and membrane filtration process, so that the operation cost is increased, the microfiltration membrane is seriously polluted, blocked and damaged, the membrane flux is greatly reduced, and the whole treatment system can not normally operate by serious people. In order to reduce the pollution and blockage of the membrane, the membrane is usually soaked and cleaned by chemical agents, but the flux of the membrane can only be partially recovered, so that the soaking and cleaning period of a membrane product is shortened after the flux is accumulated for a long time, and the service life of the membrane is greatly shortened. Therefore, the technical personnel need to solve the problems in the prior art that the water flux of the membrane can be better recovered and the service life of the membrane can be prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides an integration MBR belt cleaning device, the product flux of recovery membrane that can be fine and the life of extension membrane.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The integrated MBR cleaning device comprises a cleaning water tank for cleaning MBR, a backwashing water tank which is connected with the inside of the cleaning water tank through a pipeline and is used for precipitating cleaning liquid, a filter which is connected with the backwashing water tank through a pipeline and is used for filtering the cleaning liquid, and a control device for automatically controlling the cleaning process; the outlet end of the filter is connected to the inside of the cleaning water tank through a pipeline; a second self-sucking pump for controlling the flow direction of the cleaning liquid is arranged on a pipeline of the cleaning water tank connected to the backwashing water tank, and the input end of the second self-sucking pump is connected with the output end of the control device; a first pressure gauge for transmitting the cleaning liquid pressure to the control device is arranged on an inlet end pipeline of the self-sucking pump II, and the output end of the first pressure gauge is connected with the input end of the control device; and a flow meter for conveying the flow of the cleaning liquid to the control device is arranged on an outlet end pipeline of the self-sucking pump II, and the output end of the flow meter is connected with the input end of the control device.
Preferably, the cleaning water tank is connected with a cleaning liquid tank for containing cleaning liquid through a pipeline; the cleaning liquid box is provided with a liquid outlet electromagnetic valve, and the input end of the liquid outlet electromagnetic valve is connected with the output end of the control device; be provided with on the pipeline between cleaning solution case and the washing water tank and be used for the self priming pump one of washing water tank, the input connection control device's of self priming pump one output with the washing liquid suction.
Preferably, the bottom of the cleaning water tank is provided with an aeration disc which enables the cleaning liquid to rotate and flow up and down, the aeration disc is connected with a fan which is used for inputting air to the aeration disc through a gas transmission pipeline, and the input end of the fan is connected with the output end of the control device.
Preferably, a second pressure gauge for reading the pressure of the cleaning liquid on site and a water inlet valve for switching on and off the flow of the cleaning liquid into a channel at the inlet end of the second self-priming pump are sequentially arranged on a pipeline between the first pressure gauge and the second self-priming pump; the input end of the water inlet valve is connected with the output end of the control device.
Preferably, a water outlet valve for switching on and off the cleaning liquid flowing into a channel of the backwashing water tank is sequentially arranged on a pipeline between the flowmeter and the backwashing water tank; the input end of the water outlet valve is connected with the output end of the control device.
Preferably, the outlet end of the filter is connected to a pipeline between the water inlet valve and the inlet end of the self-priming pump through a backwashing pipeline; and a backwashing water inlet valve for opening the filtered cleaning liquid to enter a pipeline at the two inlet ends of the self-priming pump is arranged on the backwashing pipeline I, and the input end of the backwashing water inlet valve is connected with the output end of the control device.
Preferably, a back washing pipeline II is communicated with a pipeline between the flowmeter and the water outlet valve; the other end of the backwashing pipeline II is communicated to a pipeline between the pressure gauge II and the water inlet valve.
Preferably, a backwashing water outlet valve for opening the backwashing pipeline II is arranged on the backwashing pipeline II, and the input end of the backwashing water outlet valve is connected with the output end of the control device.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model adopts the cleaning mode of forward cleaning and back washing of the membrane component, which can solve the problem of membrane fouling and blocking caused by flocculating agent and sludge, better recover the water flux of the membrane and prolong the service life of the membrane product; the automatic control device enables the cleaning flow to operate according to a preset program and sets the pressure gauge and the flow meter to quantify the technical means of cleaning the membrane assembly, so that the overall performance of the device is improved, the automation degree is higher, and the overhaul is more convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the device comprises a cleaning liquid tank, 11, a first self-priming pump, 2, a cleaning water tank, 21, an aeration disc, 22, a fan, 23, a water inlet valve, 24, a water outlet valve, 3, a first pressure gauge, 4, a second pressure gauge, 5, a second self-priming pump, 6, a flow meter, 7, a backwashing water tank, 71, a backwashing water inlet valve, 72, a backwashing water outlet valve and 8, a filter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
An integrated MBR cleaning device is shown in a combined figure 1 and comprises a cleaning water tank 2, a self-priming pump II 5, a backwashing water tank 7, a filter 8 and a control device. Wash water tank 2, two 5, backwash water tank 7 of self priming pump and filter 8 and connect gradually through the pipeline, the exit end of filter 8 passes through the pipeline and is connected with washing water tank 2, the input connection control device's of two 5 self priming pumps output.
The cleaning water tank 2 is used for cleaning the MBR. The entry end of wasing water tank 2 has cleaning solution case 1 through the pipe connection, and cleaning solution case 1 is used for the splendid attire to carry out abluent washing liquid to the MBR. The cleaning liquid box 1 is provided with a liquid outlet electromagnetic valve for controlling liquid outlet, and the input end of the liquid outlet electromagnetic valve is connected with the output end of the control device. A first self-sucking pump 11 is arranged on a pipeline between the cleaning liquid tank 1 and the cleaning water tank 2, the first self-sucking pump 11 is used for sucking cleaning liquid into the cleaning water tank 2, and the cleaning liquid penetrates through the inside of the membrane wire to dissolve pollutants in the membrane wire; the input end of the self-priming pump I11 is connected with the output end of the control device.
The bottom of the cleaning water tank 2 is provided with an aeration disc 21, the aeration disc 21 is connected with a fan 22 through a gas transmission pipeline, and the input end of the fan 22 is connected with the output end of the PLC controller. Fan 22 impresses the air into gas transmission pipeline, sends to aeration dish 21 to the microbubble form disperses to the aquatic, and the microbubble rises to float from the bottom to the top, makes the washing liquid rotatory and flow from top to bottom to do benefit to the washing liquid and fully dissolve the inside pollutant of membrane silk, the washing liquid that squeezes into the membrane silk simultaneously from the top and the washing liquid that bottom aeration rises can form the cross-flow on membrane silk surface, great reinforcing cleaning performance.
And a first pressure gauge 3, a second pressure gauge 4 and a water inlet valve 23 are sequentially arranged on a pipeline between the cleaning water tank 2 and the self-sucking pump II 5. The first pressure gauge 3 is used for transmitting the pressure of the cleaning liquid to the control device so as to monitor the pressure value on line, and therefore the frequency of the self-sucking pump II 5 is automatically controlled and the cleaning period is controlled; the output end of the first pressure gauge 3 is connected with the input end of the control device. The second pressure gauge 4 is a field pressure gauge and is used for monitoring the pressure value on the field; the signal transmission deviation problem of electronic measurement original paper can not appear in manometer two 4, and the deviation appears when two manometer numerical values, can remind operating personnel pressure to have the problem to help maintaining the device system. The water inlet valve 23 is used for switching on and off a channel for the cleaning liquid to flow into the inlet end of the self-sucking pump II 5; the input end of the water inlet valve 23 is connected with the output end of the control device.
And the self-sucking pump II 5 is used for sucking the cleaning liquid and controlling the flow direction of the cleaning liquid.
And a flow meter 6 and a water outlet valve 24 are sequentially arranged on a pipeline between the second self-priming pump 5 and the backwashing water tank 7. The flow meter 6 is used for transmitting the flow of the cleaning liquid to the control device so as to monitor the flow value on line and control the cleaning period; the output end of the flowmeter 6 is connected with the input end of the control device. The water outlet valve 24 is used for switching on and off the passage of the cleaning liquid flowing into the backwashing water tank 7; the input end of the water outlet valve 24 is connected with the output end of the control device.
Backwash water tank 7 is used for two 5 washing liquid from washing 2 aspirations of water tank of splendid attire self priming pump, and the washing liquid contains the pollutant because of wasing the MBR, through static a period in backwash water tank 7, has partial pollutant to deposit. The bottom of the backwash water tank 7 is provided with a contaminant outlet and a cleaning liquid outlet, wherein the contaminant outlet is connected to a contaminant treatment system for treating contaminants through a pipe. And a pollution discharge electromagnetic valve for controlling the opening of the pollutant outlet is arranged at the pollutant outlet, and the input end of the pollution discharge electromagnetic valve is connected with the output end of the control device. The pollutant outlet is connected to the pipeline of the pollutant treatment system and is provided with a pump machine, the pump machine is used for pumping pollutants into the pollutant treatment system, and the input end of the pump machine is connected with the output end of the control device. The cleaning liquid outlet is connected to the filter 8 through a pipeline, and a liquid discharge electromagnetic valve is arranged at the cleaning liquid outlet and used for controlling the cleaning liquid to flow into the filter 8; the input end of the liquid discharge electromagnetic valve is connected with the output end of the control device.
The filter 8 is used for filtering the cleaning liquid after precipitation, and the filtered cleaning liquid can be used for cleaning the MBR again. A filter element for filtering cleaning liquid and a differential pressure sensor for measuring the differential pressure of the filter are arranged in the filter 8, and when the differential pressure of the filter reaches 1.5bar, the filter element is replaced by a new one; the output end of the differential pressure sensor is connected with the input end of the control device. The outlet end of the filter 8 is communicated to a pipeline between the water inlet valve 23 and the inlet end of the self-priming pump II 5 through a backwashing pipeline I. A backwashing water inlet valve 71 is arranged on the backwashing pipeline I, the backwashing water inlet valve 71 is used for switching on and off the filtered cleaning liquid to enter a pipeline at the inlet end of the self-sucking pump II 5, and the input end of the backwashing water inlet valve 71 is connected with the output end of the control device.
A second backwashing pipeline is communicated with the pipeline between the flowmeter 6 and the water outlet valve 24. The other end of the backwashing pipeline II is communicated to a pipeline between the pressure gauge II 4 and the water inlet valve 23. And a backwashing water outlet valve 72 is arranged on the backwashing pipeline II, the backwashing water outlet valve 72 is used for switching on and off the backwashing pipeline II, and the input end of the backwashing water outlet valve 72 is connected with the output end of the control device.
The cleaning liquid tank 1, the cleaning water tank 2, the first pressure gauge 3, the second pressure gauge 4, the water inlet valve 23, the second self-priming pump 5, the flowmeter 6, the water outlet valve 24, the backwashing water tank 7 and the pipelines communicated with the same form a cleaning loop; and the filter 8, the backwashing water inlet valve 71, the self-priming pump II 5, the flowmeter 6, the backwashing water outlet valve 72, the pressure gauge II 4, the pressure gauge I3 and pipelines communicated with each other are sequentially communicated with a liquid discharge outlet of the backwashing water tank 7, and are finally connected into the cleaning water tank 2 to form a backwashing loop. The cleaning loop and the backwashing loop share the first pressure gauge 3, the second pressure gauge 4, the second self-priming pump 5, the flowmeter 6 and part of pipelines, so that the equipment and material costs are saved; the flow direction of the cleaning liquid sucked by the self-priming pump II 5 is controlled by the opening and closing of the water inlet valve 23, the water outlet valve 24, the backwashing water inlet valve 71 and the backwashing water outlet valve 72.
The utility model discloses when using, carry out abluent process as follows to MBR:
1) and (3) preparing alkaline cleaning liquid in the cleaning liquid tank 1, and placing the die carrier to be cleaned in the cleaning water tank 2.
2) And (3) starting the automatic control device, opening the liquid outlet electromagnetic valve by the control device, starting the first self-sucking pump 11, sucking the cleaning liquid to the cleaning water tank 2, simultaneously starting the fan 22, and aerating the bottom of the membrane frame through the aeration disc 21 at the bottom of the cleaning water tank 2 according to set time. And (3) until the cleaning liquid covers the upper edge of the die carrier, completely soaking the film yarn in the cleaning liquid, and closing the self-sucking pump I11 by the control device.
3) The control device opens the water inlet valve 23 and the water outlet valve 24, the self-sucking pump II 5 is started, and the cleaning liquid penetrates through the membrane wires from the cleaning water tank 2 and enters the backwashing water tank 7. And after the set time is up, the control device stops the self-priming pump II 5, closes the water valve 23 and the water outlet valve 24, and records the numerical value of the pressure gauge 3 and the numerical value of the flow meter 6 at that time as data before initial cleaning.
4) The control device opens the backwashing water inlet valve 71, the liquid discharge electromagnetic valve and the backwashing water outlet valve 72, the self-priming pump II 5 is started, the precipitated cleaning liquid flows out of the backwashing water tank 7, enters the inside of the membrane frame membrane filaments through the backwashing pipeline after being filtered by the filter 8, and overflows from the surface of the membrane filaments. And after the backwashing time is up, the backwashing flow is initially set according to the water yield, and the backwashing pump frequency is gradually increased subsequently. The backwashing flow is less than or equal to 1.5 times of water yield, and the backwashing pressure is less than 1.5 bar.
5) Step 3) and step 4) are a cleaning cycle. Manually set 30 cycles (about 10 hours), record the water yield and water production negative pressure after 30 cycles. The water yield and the water production negative pressure are recorded every 10 cycles. The data will gradually rise. The pH was manually measured every two hours and, if consumed, replenished in time. After 30 cycles, the water yield and the water production negative pressure value rise to a relatively stable value. And continuing for 10 cycles, and keeping the water yield and the water production negative pressure stable. And stopping the MBR offline cleaning equipment.
6) And replacing the cleaning solution with an acidic cleaning solution. And (5) repeating the step 3) and the step 4) for acid washing, reacting and dissolving the internal structure of the MBR membrane filaments and the flocculating agent, recovering the initial membrane flux, manually disassembling, and replacing the next group of membrane modules.
The utility model discloses wash with alkaline and the pickling back MBR, contrast with flux before the membrane, the flux reaches more than new membrane 95% promptly as qualified membrane case after wasing.
Claims (8)
1. Integration MBR belt cleaning device, its characterized in that: the device comprises a cleaning water tank (2) for cleaning MBR, a backwashing water tank (7) which is connected with the inside of the cleaning water tank (2) through a pipeline and is used for precipitating cleaning liquid, a filter (8) which is connected with the backwashing water tank (7) through a pipeline and is used for filtering the cleaning liquid, and a control device for automatically controlling the cleaning process; the outlet end of the filter (8) is connected to the inside of the cleaning water tank (2) through a pipeline; a self-sucking pump II (5) for controlling the flow direction of the cleaning liquid is arranged on a pipeline of the cleaning water tank (2) connected to the backwashing water tank (7), and the input end of the self-sucking pump II (5) is connected with the output end of the control device; a first pressure gauge (3) for transmitting the cleaning liquid pressure to the control device is arranged on an inlet end pipeline of the self-sucking pump II (5), and the output end of the first pressure gauge (3) is connected with the input end of the control device; and a flow meter (6) for conveying the flow of the cleaning liquid to the control device is arranged on an outlet end pipeline of the self-sucking pump II (5), and the output end of the flow meter (6) is connected with the input end of the control device.
2. The integrated MBR cleaning device of claim 1, wherein: the cleaning water tank (2) is connected with a cleaning liquid tank (1) for containing cleaning liquid through a pipeline; a liquid outlet electromagnetic valve is arranged on the cleaning liquid tank (1), and the input end of the liquid outlet electromagnetic valve is connected with the output end of the control device; be provided with on the pipeline between cleaning solution case (1) and the washing water tank (2) and be used for the washing liquid suction to go into self priming pump (11) of wasing water tank (2), the input connection control device's of self priming pump (11) output.
3. The integrated MBR cleaning device of claim 1, wherein: an aeration disc (21) which enables cleaning liquid to rotate and flow up and down is arranged at the bottom of the cleaning water tank (2), the aeration disc (21) is connected with a fan (22) which is used for inputting air to the aeration disc (21) through an air transmission pipeline, and the input end of the fan (22) is connected with the output end of the control device.
4. The integrated MBR cleaning device of claim 1, wherein: a pressure gauge II (4) for reading the pressure of the cleaning liquid on site and a water inlet valve (23) for switching on and off the passage of the cleaning liquid flowing into the inlet end of the self-priming pump II (5) are sequentially arranged on a pipeline between the pressure gauge I (3) and the self-priming pump II (5); the input end of the water inlet valve (23) is connected with the output end of the control device.
5. The integrated MBR cleaning device of claim 1, wherein: a water outlet valve (24) for switching on and off the passage of the cleaning liquid flowing into the backwashing water tank (7) is arranged on a pipeline between the flowmeter (6) and the backwashing water tank (7); the input end of the water outlet valve (24) is connected with the output end of the control device.
6. The integrated MBR cleaning device of claim 1, wherein: the outlet end of the filter (8) is connected to a pipeline between the water inlet valve (23) and the inlet end of the self-priming pump II (5) through a backwashing pipeline; and a backwashing water inlet valve (71) for opening the filtered cleaning liquid to enter the inlet end pipeline of the self-sucking pump II (5) is arranged on the backwashing pipeline I, and the input end of the backwashing water inlet valve (71) is connected with the output end of the control device.
7. The integrated MBR cleaning device of claim 1, wherein: a backwashing pipeline II is communicated with a pipeline between the flowmeter (6) and the water outlet valve (24); the other end of the backwashing pipeline II is communicated to a pipeline between the pressure gauge II (4) and the water inlet valve (23).
8. The integrated MBR cleaning device of claim 7, wherein: and a backwashing water outlet valve (72) for opening the backwashing pipeline II is arranged on the backwashing pipeline II, and the input end of the backwashing water outlet valve (72) is connected with the output end of the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820209.6U CN213824210U (en) | 2020-11-30 | 2020-11-30 | Integration MBR belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820209.6U CN213824210U (en) | 2020-11-30 | 2020-11-30 | Integration MBR belt cleaning device |
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| Publication Number | Publication Date |
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| CN213824210U true CN213824210U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022820209.6U Active CN213824210U (en) | 2020-11-30 | 2020-11-30 | Integration MBR belt cleaning device |
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| CN (1) | CN213824210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115400599A (en) * | 2022-09-22 | 2022-11-29 | 广东汇祥环境科技有限公司 | Green and efficient device and method for cleaning MBR membrane in offline recovery manner by using micro-nano bubbles |
-
2020
- 2020-11-30 CN CN202022820209.6U patent/CN213824210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115400599A (en) * | 2022-09-22 | 2022-11-29 | 广东汇祥环境科技有限公司 | Green and efficient device and method for cleaning MBR membrane in offline recovery manner by using micro-nano bubbles |
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