CN113769587A - Filter element on-site off-line cleaning device - Google Patents
Filter element on-site off-line cleaning device Download PDFInfo
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- CN113769587A CN113769587A CN202111005157.XA CN202111005157A CN113769587A CN 113769587 A CN113769587 A CN 113769587A CN 202111005157 A CN202111005157 A CN 202111005157A CN 113769587 A CN113769587 A CN 113769587A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 144
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 147
- 238000005406 washing Methods 0.000 claims description 33
- 238000011001 backwashing Methods 0.000 claims description 25
- 239000003814 drug Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 239000012459 cleaning agent Substances 0.000 abstract description 8
- 230000004907 flux Effects 0.000 abstract description 8
- 239000012528 membrane Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000004090 dissolution Methods 0.000 abstract description 3
- 230000003204 osmotic effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 16
- 239000000843 powder Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000013354 porous framework Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to the technical field of filter element cleaning devices, in particular to a filter element on-site off-line cleaning device which comprises a box body and a control unit, wherein the control unit is arranged outside the box body; wash the incasement side and be equipped with ultrasonic oscillator and strain first fixing device, wash the case lateral wall and be fixed with the heater, wash the fixed intercommunication in case top and have the exhaust pipe line, exhaust pipe line is last fixed mounting to have discharge valve. The invention has simple structure and convenient operation, controls the ultrasonic oscillator and the heater by the control unit, enhances the osmotic dissolution effect of the cleaning agent by utilizing the ultrasonic technology and the heating technology, thoroughly cleans the filter element, and can recover the membrane flux of the cleaned filter element to the initial state, thereby solving the problems that the prior off-line cleaning method for cleaning the filter element can not realize the thorough cleaning of the filter element, and the membrane flux of the cleaned filter element can not recover to the initial state, and the cleaning period is short.
Description
Technical Field
The invention relates to the technical field of filter element cleaning devices, in particular to a filter element on-site off-line cleaning device.
Background
In Xinjiang, due to lack of water resources, the thermal power plant basically adopts an air cooling unit. In thermal power plants, condensate polishing is used as the only way to reduce corrosion products and dissolved salts in the steam system, and the quality of the effluent directly determines the quality of the boiler feed water. Most of power plants of air cooling units adopt powder resin to cover the filter, and the powder resin is widely applied due to the advantages of high use temperature, simple operation and the like. The powder resin covered filter adopts a wire-wound filter element which is a filter element refined by precisely winding textile fibers with good filtering characteristics on a porous framework, has the characteristics of large pollutant interception capacity, small resistance, high strength, backwashing and the like, and is widely applied to a front tubular filter in a condensate water fine treatment system of a power plant. After the filter element of the powder resin covered filter is used for a period of time, a large amount of pollutants can be intercepted on the surface of the filter element, and part of pollutants can not be eluted from the surface of the filter element through water vapor backwashing, so that the filter element is polluted and blocked, the initial operation pressure difference after backwashing of the filter element is increased, the operation pressure difference is increased too fast, the operation period is obviously shortened, and the like, so that the operation cost of fine treatment is increased, the operation rate of the filter is reduced, and the safe and stable operation of a unit is damaged. At present, the traditional off-line cleaning method is used for cleaning pollutants on the excrement surface of the filter element of the powder resin covered filter, the method mainly adopts chemical washing and is matched with simple water washing, the filter element cannot be thoroughly cleaned, and the membrane flux of the cleaned filter element cannot be recovered to the initial state.
Disclosure of Invention
The invention provides a filter element on-site off-line cleaning device, which overcomes the defects of the prior art and can effectively solve the problems that the filter element cannot be cleaned thoroughly and the membrane flux of the cleaned filter element cannot be recovered to the initial state when the filter element is cleaned by using the traditional off-line cleaning method in the prior art.
The technical scheme of the invention is realized by the following measures: a filter element on-site off-line cleaning device comprises a box body and a control unit, wherein the control unit is arranged outside the box body, and a cleaning box, a dosing pump and a cleaning pump are arranged inside the box body; an ultrasonic oscillator and a filter element fixing device are arranged on the inner side of the cleaning box, a heater is fixed on the outer side wall of the cleaning box, an exhaust pipeline is fixedly communicated with the top of the cleaning box, and an exhaust valve is fixedly mounted on the exhaust pipeline; the inlet of the cleaning pump is fixedly communicated with one end of an external water inlet pipeline, the other end of the external water inlet pipeline is positioned outside the box body, a positive water return pipeline and a lower drainage pipeline are fixedly communicated between the inlet of the cleaning pump and the bottom of the cleaning box, a positive cleaning water return valve is fixedly mounted on the positive water return pipeline, a lower drainage valve is fixedly mounted on the lower drainage pipeline, and a water inlet pipeline is fixedly communicated between the outlet of the cleaning pump and the cleaning box; the inlet of the dosing pump is fixedly communicated with one end of a dosing pipeline, the other end of the dosing pipeline is positioned outside the box body, a dosing pipeline is fixedly communicated between the outlet of the dosing pump and the water inlet pipeline, and a pipeline mixer is fixedly arranged on the water inlet pipeline between the dosing pipeline and the cleaning box; the cleaning pump, the dosing pump, the forward washing water return valve, the lower part drain valve, the exhaust valve, the ultrasonic oscillator and the heater are all connected with the control unit.
The following is further optimization or/and improvement of the technical scheme of the invention:
an upper drainage pipeline can be fixedly communicated between the lower drainage pipeline and the upper part of the cleaning box, an upper drainage valve is fixedly mounted on the upper drainage pipeline, and the upper drainage valve is connected with the control unit.
A backwashing pipeline can be fixedly communicated between the water inlet pipeline at the position between the cleaning pump and the medicine adding pipeline and the bottom of the cleaning tank, a backwashing water inlet valve is fixedly installed on the backwashing pipeline, and the backwashing water inlet valve is connected with the control unit.
A water inlet valve can be fixedly arranged on the water inlet pipeline between the dosing pipeline and the back washing pipeline, and the water inlet valve is connected with the control unit.
The bottom of the inner side of the cleaning box can be provided with a plurality of water caps; or/and a plurality of nozzles which are uniformly distributed at intervals up and down are arranged between the water inlet pipeline and one side of the cleaning box, the inlets of the nozzles are fixedly communicated with the water inlet pipeline, and the outlets of the nozzles are fixedly communicated with the cleaning box.
The filter element fixing device can comprise a water inlet channel and a plurality of fixing pipelines, two ends of the water inlet channel are fixedly connected to the inner wall of the bottom of the cleaning box, the water inlet channel is fixedly communicated with the backwashing pipelines, the upper end face of the water inlet channel is communicated with the plurality of fixing pipelines which are fixed at left and right intervals, and inner threads are arranged on the inner side of the upper portion of each fixing pipeline.
The invention has simple structure and convenient operation, controls the ultrasonic oscillator and the heater by the control unit, enhances the osmotic dissolution effect of the cleaning agent by utilizing the ultrasonic technology and the heating technology, thoroughly cleans the filter element, and can recover the membrane flux of the cleaned filter element to the initial state, thereby solving the problems that the prior off-line cleaning method for cleaning the filter element can not realize the thorough cleaning of the filter element, and the membrane flux of the cleaned filter element can not recover to the initial state, and the cleaning period is short.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
The codes in the figures are respectively: the device comprises a box body 1, a cleaning box 2, a dosing pump 3, a cleaning pump 4, an ultrasonic oscillator 5, a heater 6, an exhaust pipeline 7, a forward water return pipeline 8, a lower water discharge pipeline 9, a water inlet pipeline 10, a medicine inlet pipeline 11, a dosing pipeline 12, a pipeline mixer 13, an upper water discharge pipeline 14, an upper water discharge valve 15, a back flush pipeline 16, a back flush water inlet valve 17, a water inlet valve 18, a forward water return valve 19, a lower water discharge valve 20, an exhaust valve 21, a water cap 22, a nozzle 23, a water inlet channel 24, a fixed pipeline 25, a control unit 26 and an external water inlet pipeline 27.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached figure 1, the on-site off-line cleaning device for the filter element comprises a box body 1 and a control unit 26, wherein the control unit 26 is arranged outside the box body 1, and a cleaning box 2, a dosing pump 3 and a cleaning pump 4 are arranged inside the box body 1; an ultrasonic oscillator 5 and a filter element fixing device are arranged on the inner side of the cleaning box 2, a heater 6 is fixed on the outer side wall of the cleaning box 2, an exhaust pipeline 7 is fixedly communicated with the top of the cleaning box 2, and an exhaust valve 21 is fixedly arranged on the exhaust pipeline 7; an inlet of the cleaning pump 4 is fixedly communicated with one end of an external water inlet pipeline 27, the other end of the external water inlet pipeline 27 is positioned outside the box body 1, a forward water return pipeline 8 and a lower water drainage pipeline 9 are fixedly communicated between the inlet of the cleaning pump 4 and the bottom of the cleaning box 2, a forward cleaning water return valve 19 is fixedly installed on the forward water return pipeline 8, a lower water drainage valve 20 is fixedly installed on the lower water drainage pipeline 9, and a water inlet pipeline 10 is fixedly communicated between an outlet of the cleaning pump 4 and the cleaning box 2; the inlet of the dosing pump 3 is fixedly communicated with one end of a dosing pipeline 11, the other end of the dosing pipeline 11 is positioned outside the box body 1, a dosing pipeline 12 is fixedly communicated between the outlet of the dosing pump 3 and the water inlet pipeline 10, and a pipeline mixer 13 is fixedly arranged on the water inlet pipeline 10 between the dosing pipeline 12 and the cleaning box 2; the cleaning pump 4, the dosing pump 3, the normal washing water return valve 19, the lower drain valve 20, the exhaust valve 21, the ultrasonic oscillator 5 and the heater 6 are all connected with the control unit 26.
The above-mentioned water inlet pipeline 10 one end and the exit linkage of scavenging pump 4, the other end setting is in the one side of wasing case 2 and is linked together with wasing case 2.
When the invention is used for cleaning the filter element, firstly, the filter element to be cleaned is connected with a filter element fixing device, an external water source is fixedly communicated with an external water inlet pipeline 27 of a cleaning pump 4, then a control unit 26 sends a starting instruction to start the cleaning pump 4, a lower drain valve 20 and a forward washing water return valve 19 are closed, an exhaust valve 21 is opened, the cleaning pump 4 injects the external water source into a cleaning box 2 through a water inlet pipeline 10, water in the cleaning box 2 can be discharged from an exhaust pipeline 7, the water injection is stopped, the exhaust valve 21 is closed, the forward washing water return valve 19 is opened to start the forward washing, namely, the water in the cleaning box 2 enters the cleaning pump 4 through a forward water return pipeline 8, the water is injected into the cleaning box 2 from the water inlet pipeline 10 through the cleaning pump 4 to circularly clean the filter element, and simultaneously, a control unit 26 sends a starting instruction to open an ultrasonic wave oscillator 5 and a heater 6, the control unit 26 collects the temperature of the heater 6, compares the collected temperature with a set temperature threshold value, if the collected temperature is equal to the set temperature threshold value, the control unit 26 controls the chemical feeding pump 3 to be opened, the cleaning chemical is injected into the water inlet pipeline 10 through the chemical feeding pipeline 12, the pipeline mixer 13 fully dissolves the cleaning chemical and the water in the water inlet pipeline 10, and after the chemical feeding is finished (the adding amount of the cleaning chemical is determined according to the volume of the cleaning box 2 and the amount of dirt molecules on the surface of the filter element), the control unit 26 controls the chemical feeding pump 3 to be closed, and the chemical cleaning and the physical cleaning of the filter element are started synchronously.
Wherein the chemical cleaning and the physical cleaning are respectively as follows:
1. chemical cleaning: the chemical cleaning method is characterized in that a cleaning agent is added by using a chemical adding pump 3, wherein the cleaning agent can be selected according to dirt molecules on a filter element to be cleaned, and can be a composite acid and other known technologies, so that the cleaning agent can dissolve the dirt molecules on the surface of the filter element through penetration to complete chemical cleaning;
2. physical cleaning: through ultrasonic oscillator 5 and heater 6, make ultrasonic oscillator 5 utilize the ultrasonic wave effect, will strain the first to carry out rinse thoroughly, also can strengthen the infiltration dissolving effect of washing medicament simultaneously, use heater 6, heat washing case 2, make the dirt molecular motion on straining the first surface strengthen, easily wash, the reaction rate that the infiltration of simultaneously heating can strengthen washing medicament dissolves guarantees the cleaning performance, accomplishes the physical cleaning.
To sum up, the invention has simple structure and convenient operation, controls the ultrasonic oscillator 5 and the heater 6 by the control unit 26, utilizes the ultrasonic technology and the heating technology to enhance the penetration and dissolution of the cleaning agent, and thoroughly cleans the filter element, and the membrane flux of the cleaned filter element can be recovered to the initial state, thereby solving the problems that the prior off-line cleaning method for cleaning the filter element can not realize the thorough cleaning of the filter element, and the membrane flux of the cleaned filter element can not be recovered to the initial state, and the cleaning period is short.
The filter element on-site off-line cleaning device can be further optimized or/and improved according to actual needs:
as shown in fig. 1, an upper drain line 14 is fixedly communicated between the lower drain line 9 and the upper part of the cleaning tank 2, an upper drain valve 15 is fixedly installed on the upper drain line 14, and the upper drain valve 15 is connected with a control unit 26. Wherein the upper drain line 14 is used for discharging the waste water in the cleaning tank 2; the upper drain valve 15 is used to control the opening and closing of the upper drain line 14.
As shown in the attached figure 1, a backwashing pipeline 16 is fixedly communicated between a water inlet pipeline 10 at a position between a cleaning pump 4 and a medicine adding pipeline 12 and the bottom of a cleaning tank 2, a backwashing water inlet valve 17 is fixedly installed on the backwashing pipeline 16, and the backwashing water inlet valve 17 is connected with a control unit 26. Wherein, the backwash water inlet valve 17 is used for controlling the on-off of the backwash pipeline 16.
As shown in FIG. 1, a water inlet valve 18 is fixedly installed on the water inlet line 10 between the drug adding line 12 and the back flushing line 16, and the water inlet valve 18 is connected with a control unit 26. By providing the inlet valve 18 in communication with the control unit 26, the control unit 26 facilitates control of the opening and closing of the inlet valve 18 by the control unit 26.
As shown in fig. 1, a plurality of water caps 22 are provided at the bottom of the inside of the washing tank 2. The water cap 22 is used for trapping impurities washed down from the washing tank 2 during the washing process.
As shown in the attached figure 1, a plurality of nozzles 23 are uniformly distributed at intervals up and down between the water inlet pipeline 10 and one side of the cleaning box 2, the inlets of the nozzles 23 are fixedly communicated with the water inlet pipeline 10, and the outlets of the nozzles 23 are fixedly communicated with the cleaning box 2. Through setting up a plurality of nozzles 23, be convenient for wash the inside even of intaking of case 2.
As shown in fig. 1, the filter element fixing device includes a water inlet channel 24 and a plurality of fixing pipelines 25, two ends of the water inlet channel 24 are fixedly connected to the inner wall of the bottom of the cleaning tank 2, the water inlet channel 24 is fixedly communicated with the backwashing pipeline 16, the upper end surface of the water inlet channel 24 is communicated with the plurality of fixing pipelines 25 fixed at left and right intervals, and inner threads are arranged on the inner side of the upper part of the fixing pipelines 25. When in use, the upper part of the fixed pipeline 25 and the water outlet side of the filter element needing to be cleaned can be connected together through threads.
The method specifically comprises the following steps of:
1. primary circulating forward washing: an external water source is connected with an external water inlet pipeline 10 of a cleaning pump 4, a water inlet valve 18 and an exhaust valve 21 are opened, the cleaning pump 4 is started to inject water into a cleaning tank 2, after water is discharged from an exhaust pipeline 7, a lower drain valve 20 is opened after water injection is finished, the exhaust valve 21 is closed, first normal washing is started, after drainage discharged from a lower drain pipeline 9 is basically clean, a normal washing water return valve 19 is opened, the lower drain valve 20 is closed, so that water in the cleaning tank 2 enters the cleaning pump 4 through the normal return pipeline, then enters the inner side of the cleaning tank 2 through the water inlet pipeline 10, and circulating normal washing is carried out;
2. physical and chemical cleaning: when the circulation cleaning is carried out, the control unit 26 controls the heater 6 and the ultrasonic oscillator 5 to be started, after the heater 6 is heated to a temperature threshold value set in the control unit 26, the control unit 26 controls the dosing pump 3 to be started, so that the dosing pump 3 injects the cleaning agent in the feeding pipeline 11 into the water inlet pipeline 10 through the dosing pipeline 12, the cleaning agent is fully dissolved in the pipeline mixer 13 on the water inlet pipeline 10, the agent is added into the cleaning tank 2, after the dosing is finished, the control unit 26 controls the dosing pump 3 to stop, and the physical and chemical cleaning is started synchronously;
3. washing and filtering elements: after the filter element is cleaned, the control unit 26 controls the cleaning pump 4 to stop, closes the water inlet valve 18 and the forward washing water return valve 19, opens the lower drain valve 20 and the exhaust valve 21, starts to discharge waste liquid, opens the water inlet valve 18 and closes the exhaust valve 21 after the waste liquid is completely discharged, the control unit 26 controls the cleaning pump 4 to start, so that the cleaning pump 4 injects water into the cleaning box 2 through the water inlet pipeline 10 through the external water inlet pipeline 27, washes the filter element, discharges the washed water to the cleaning pump 4 through the lower drain pipeline 9, and discharges the water through the cleaning pump 4, thereby completing the process of forward washing the filter element;
4. backwashing the filter element: after the forward washing filter element is washed until the drainage of the washing pump 4 is basically clear, a backwashing water inlet valve 17 and an upper drainage valve 15 are opened, a lower drainage valve 20 is closed, upper backwashing is started, after backwashing is carried out until the drainage is clean, the lower drainage valve 20 is opened, the upper drainage valve 15 is closed, lower backwashing is started, and after the drainage is basically clear, backwashing is finished;
5. and finally, forward washing: and opening a water inlet valve 18 and a forward washing water return valve 19, closing a backwashing water inlet valve 17, injecting water into the washing tank 2 from the washing pump 4 through an external water inlet pipeline 27 through a water inlet pipeline 10, discharging the washed water to the washing pump 4 through a forward water return pipeline 8, discharging the water through the washing pump 4, performing forward washing, finishing washing after the forward washing is completely drained, and finishing the washing of the filter element.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. A filter element on-site off-line cleaning device is characterized by comprising a box body and a control unit, wherein the control unit is arranged outside the box body, and a cleaning box, a dosing pump and a cleaning pump are arranged inside the box body; an ultrasonic oscillator and a filter element fixing device are arranged on the inner side of the cleaning box, a heater is fixed on the outer side wall of the cleaning box, an exhaust pipeline is fixedly communicated with the top of the cleaning box, and an exhaust valve is fixedly mounted on the exhaust pipeline; the inlet of the cleaning pump is fixedly communicated with one end of an external water inlet pipeline, the other end of the external water inlet pipeline is positioned outside the box body, a positive water return pipeline and a lower drainage pipeline are fixedly communicated between the inlet of the cleaning pump and the bottom of the cleaning box, a positive cleaning water return valve is fixedly mounted on the positive water return pipeline, a lower drainage valve is fixedly mounted on the lower drainage pipeline, and a water inlet pipeline is fixedly communicated between the outlet of the cleaning pump and the cleaning box; the inlet of the dosing pump is fixedly communicated with one end of a dosing pipeline, the other end of the dosing pipeline is positioned outside the box body, a dosing pipeline is fixedly communicated between the outlet of the dosing pump and the water inlet pipeline, and a pipeline mixer is fixedly arranged on the water inlet pipeline between the dosing pipeline and the cleaning box; the cleaning pump, the dosing pump, the forward washing water return valve, the lower part drain valve, the exhaust valve, the ultrasonic oscillator and the heater are all connected with the control unit.
2. The on-site off-line filter element cleaning device according to claim 1, wherein an upper drainage pipeline is fixedly communicated between the lower drainage pipeline and the upper part of the cleaning tank, an upper drainage valve is fixedly mounted on the upper drainage pipeline, and the upper drainage valve is connected with the control unit.
3. The on-site off-line cleaning device for the filter element according to claim 1 or 2, wherein a back washing pipeline is fixedly communicated between a water inlet pipeline at a position between the cleaning pump and the medicine feeding pipeline and the bottom of the cleaning tank, a back washing water inlet valve is fixedly installed on the back washing pipeline, and the back washing water inlet valve is connected with the control unit.
4. The on-site off-line filter element cleaning device according to claim 1 or 2, wherein a water inlet valve is fixedly mounted on the water inlet pipeline between the dosing pipeline and the back flush pipeline, and the water inlet valve is connected with the control unit.
5. The on-site off-line filter element cleaning device according to claim 3, wherein a water inlet valve is fixedly mounted on the water inlet pipeline between the dosing pipeline and the back flushing pipeline, and the water inlet valve is connected with the control unit.
6. The filter element on-site off-line cleaning device according to claim 1, 2 or 5, wherein a plurality of water caps are arranged at the bottom of the inner side of the cleaning tank; or/and a plurality of nozzles which are uniformly distributed at intervals up and down are arranged between the water inlet pipeline and one side of the cleaning box, the inlets of the nozzles are fixedly communicated with the water inlet pipeline, and the outlets of the nozzles are fixedly communicated with the cleaning box.
7. The filter element on-site off-line cleaning device according to claim 3, wherein a plurality of water caps are arranged at the bottom of the inner side of the cleaning tank; or/and a plurality of nozzles which are uniformly distributed at intervals up and down are arranged between the water inlet pipeline and one side of the cleaning box, the inlets of the nozzles are fixedly communicated with the water inlet pipeline, and the outlets of the nozzles are fixedly communicated with the cleaning box.
8. The filter element on-site off-line cleaning device according to claim 4, wherein a plurality of water caps are arranged at the bottom of the inner side of the cleaning tank; or/and a plurality of nozzles which are uniformly distributed at intervals up and down are arranged between the water inlet pipeline and one side of the cleaning box, the inlets of the nozzles are fixedly communicated with the water inlet pipeline, and the outlets of the nozzles are fixedly communicated with the cleaning box.
9. The on-site off-line filter element cleaning device according to claim 3, wherein the filter element fixing device comprises a water inlet channel and a plurality of fixing pipelines, two ends of the water inlet channel are fixedly connected to the inner wall of the bottom of the cleaning tank, the water inlet channel is fixedly communicated with the back flush pipeline, the upper end surface of the water inlet channel is communicated with the plurality of fixing pipelines fixed at left and right intervals, and inner threads are arranged on the inner side of the upper part of each fixing pipeline.
10. The on-site off-line cleaning device for the filter element according to claim 5 or 7, wherein the filter element fixing device comprises a water inlet channel and a plurality of fixing pipelines, two ends of the water inlet channel are fixedly connected to the inner wall of the bottom of the cleaning box, the water inlet channel is fixedly communicated with the back flush pipeline, the upper end surface of the water inlet channel is communicated with the plurality of fixing pipelines which are fixed at left and right intervals, and inner sides of the upper parts of the fixing pipelines are provided with internal threads.
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| CN202111005157.XA CN113769587A (en) | 2021-08-30 | 2021-08-30 | Filter element on-site off-line cleaning device |
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| CN202111005157.XA CN113769587A (en) | 2021-08-30 | 2021-08-30 | Filter element on-site off-line cleaning device |
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| CN204005930U (en) * | 2014-06-05 | 2014-12-10 | 国家电网公司 | A kind of device cleaning for power plant chemistry |
| CN203971772U (en) * | 2014-06-12 | 2014-12-03 | 上海百菲特环保科技有限公司 | Chemically-cleaning device |
| CN105381651A (en) * | 2014-09-09 | 2016-03-09 | 陕西安得科技实业有限公司 | Novel offline washing apparatus |
| CN206008493U (en) * | 2016-08-10 | 2017-03-15 | 大唐长山热电厂 | Hyperfiltration membrane assembly cleaning device |
| CN209464879U (en) * | 2019-01-31 | 2019-10-08 | 河北多源环保科技有限公司 | A kind of ultra-filtration membrane device of restorability cleaning |
| JP2021090960A (en) * | 2019-12-11 | 2021-06-17 | シャンシー ティエージュ エコ−スペース カンパニー． リミテッドＳｈａｎｘｉ Ｔｉｅｊｕ Ｅｃｏ−Ｓｐａｃｅ Ｃｏ．ＬＴＤ | Green high-speed cleaning device and cleaning method for flat ceramic membrane |
| CN211800068U (en) * | 2020-02-20 | 2020-10-30 | 江苏国盛华清环保科技有限公司 | Intelligent management system for running environment of ultrafiltration membrane component |
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Application publication date: 20211210 |