CN101780459B - Off-line filter-cell chemically-cleaning device - Google Patents
Off-line filter-cell chemically-cleaning device Download PDFInfo
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- CN101780459B CN101780459B CN 201010123300 CN201010123300A CN101780459B CN 101780459 B CN101780459 B CN 101780459B CN 201010123300 CN201010123300 CN 201010123300 CN 201010123300 A CN201010123300 A CN 201010123300A CN 101780459 B CN101780459 B CN 101780459B
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Abstract
The invention relates to an off-line filter-cell chemically-cleaning device, which comprises a solution tank, a horizontal cleaning tank, a flow control unit and a temperature control unit. The solution tank is used to mix pharmaceutical agents used for cleaning. The horizontal cleaning tank is used to install filter cells to be cleaned. The flow control unit which comprises a water pump, a bypass and a flow meter can control and adjust flow required for cleaning by adjusting the bypass. The temperature control unit which comprises a heater and a temperature control device is used to adjust the temperature of cleaning fluid. Furthermore, the device system is provided with an agitator, thereby ensuring uniform mixing of cleaning medicines. The system is provided with multiple valves. The device can switch flexibly between two systems of forward-cleaning and backward-cleaning by opening and closing the valves. A detachable-type clamping plate, which is used to fix the filter cells to be cleaned, is installed inside the horizontal cleaning tank. By replacing different types of clamping plates, the device can clean different types of filter cells, such as a wire wound filter cell, a foldable filter cell and a melt-blown filter-cell, etc.
Description
Technical field
The present invention relates to a kind of device that polytype filter element is carried out the off-line Chemical cleaning.
Background technology
Used filter element has types such as wire wound, collapsible and fusion-jet type usually in the condensate water precision processing, because its retaining power is big, running resistance is little, filter characteristics such as absorption affinity is strong, is widely used on the powdered resin precoat filter and preposition tubular filter in the condensate water precision processing.
No matter be the filter element of which kind of type, in the long-time running process, phenomenons such as the obvious rising of initial launch pressure reduction all can occur.Utilize research techniques such as energy spectrum analysis to analyze contaminated filter element, the material that discovery gets lodged in the filter element surface fiber line hole mainly is the oxide of iron, and these materials are not simply attached to the single surface, but certain precipitation reaction has taken place, be deposited on filter element surface and inner, the physics cleaning measures such as air bump rinse operation, waterpower backwash of depending merely on are difficult to the impurity wash-out.In the use of powdered resin precoat filter, because the wire wound filter element part is polluted, not only cause the shop film inhomogeneous, further aggravated the contaminated degree of filter element, and need continually the powdex of being spread to be carried out quick-fried film, shop film, increased the operating cost of power plant greatly.In addition, the domestic power plant employed filter element of filter mostly is external imported product, needs periodic replacement, and it is very high more to renew the expense of filter element.So it is a kind of effective method that contaminated filter element is carried out Chemical cleaning.Through Chemical cleaning, not only filter import and export pressure reduction significantly reduces, and is prolonged the service life of filter element, has saved the operating cost of power plant greatly.Find by retrieving domestic related data, filter element at types such as wire wound, collapsible and fusion-jet types, the domestic present special off-line industry cleaning device that also do not have, though the washing test report of related fields is also arranged, but mainly be to adopt the on-line cleaning mode, China river Feng power plant has carried out online Chemical cleaning (Li Yi to powdered resin precoat filter filter element in this factory's condensed water precision processing system, Sun Xiaopeng etc., the Chemical cleaning of powdered resin precoat filter filter element [J] Shanxi electric power, 2007, (6), 39～40).Though obtained effect preferably, whole cleaning operation is complicated, and cleaning condition is not easy control, and the Chemical cleaning medicament that uses is highly acid, easily produces safety problem.
Filter element is carried out off-line clean, can not only make contaminated filter element recover flux, make it recycling, reduce the operating cost of power plant, but also can guarantee the security of equipment and production.
Summary of the invention
The object of the present invention is to provide a kind of off-line filter-cell chemically-cleaning device.Be used for the filter element of three types of wire wounds, collapsible and fusion-jet type, simple to operate, effect is obvious, and is safe.Utilize this commercial plant can control the cleaning condition of filter element easily, under the prerequisite that does not influence the normal operation of unit, clean polytype filter element in short time in large quantity, and can be from filter element outward appearance and horizontal purge tank import and export pressure reduction two aspects qualitative and estimate the cleaning performance of filter element quantitatively.
For achieving the above object, the technical solution used in the present invention is: comprise liquor box and the horizontal purge tank that is connected with liquor box by pipeline, be characterized in, described filter element to be cleaned is installed in the horizontal purge tank, and advance at horizontal purge tank, outlet is respectively equipped with Pressure gauge PI and advances, PI goes out, be disposed with y-type filter on liquor box and the pipeline that horizontal purge tank is connected, water pump, flowmeter, first valve and second valve, the upper end of liquor box offers the water outlet bypass of band bypass valve, this water outlet bypass links to each other with the export pipeline of water pump, attemperating unit is installed on the liquor box, the electric heater that links to each other with attemperating unit is installed in the liquor box, the liquor box top offers the water return pipeline that is connected with horizontal purge tank, first backwater valve and second backwater valve are installed on this water return pipeline, the outlet of first valve is connected by the import of pipeline with first backwater valve, the outlet of second valve is connected by the import of pipeline with second backwater valve, and is respectively equipped with liquor box emptying valve and purge tank emptying valve at liquor box and horizontal purge tank bottom.
Magnetic turnover panel liquid level gauge is installed on the liquor box of the present invention; Agitator is installed in the liquor box; Water pump is two and the water pump that connects, is respectively equipped with water pump valve in the outlet of every water pump; Horizontal purge tank inside is equipped with the detachable clamping plate that are used for fixing filter element to be cleaned; Liquor box and horizontal purge tank adopt etch-proof stainless steel to make.
The present invention is by flow controlling unit, adjusts that water pump is exerted oneself and the aperture of water outlet bypass valve, according to the reading of exit of pump flowmeter, flow system flow transferred to the optimal clean flow.By temperature conditioning unit, adjust filter element and clean required best solution temperature.Be provided with Pressure gauge at horizontal purge tank import and export, the reading of the precision pressure gauge by observing horizontal purge tank import and export place, the accurately cleaning performance of quantitative assessment filter element.In addition, have a plurality of valves in this apparatus system, by controlled valve, just wash and two kinds of systems of backwash between switch flexibly.Feature of the present invention is that off-line cleans filter element, does not influence the original system operation; The filter element quantity that single cleans is many, and about 30～150 pieces/time, scavenging period is short; The cleaning flow is 2～10m
3/ h, 30～50 ℃ of cleaning temperatures; The filter element type of cleaning is many, easy switching.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 1, the present invention includes and adopt the anticorrosion stainless steel to make liquor box 1 and horizontal purge tank 2, liquor box 1 is connected with horizontal purge tank 2 by pipeline, horizontal purge tank 2 inside are equipped with the detachable clamping plate that are used for fixing filter element to be cleaned, the filter element that 30～150 velamens pollute once can be installed, by changing dissimilar clamping plate, can clean dissimilar filter elements, and advance at horizontal purge tank 2, outlet is respectively equipped with Pressure gauge PI and advances, PI goes out, be disposed with y-type filter 18 on liquor box 1 and the pipeline that horizontal purge tank 2 is connected, water pump 3, flowmeter 7, first valve 10 and second valve 11, water pump 3 is two and the water pump that connects, the method of operation can be 1 fortune 1 and is equipped with, also can two operation simultaneously, outlet at every water pump is respectively equipped with the 3rd valve 8 and the 4th valve 9, the upper end of liquor box 1 offers the water outlet bypass of band bypass valve 14, this water outlet bypass links to each other with the export pipeline of water pump 3, attemperating unit 5 and magnetic turnover panel liquid level gauge 6 are installed on the liquor box 1, the electric heater 4 that agitator 17 is installed in the liquor box 1 and links to each other with attemperating unit 5, liquor box 1 top offers the water return pipeline that is connected with horizontal purge tank 2, first backwater valve 12 and second backwater valve 13 are installed on this water return pipeline, the outlet of first valve 10 is connected by the import of pipeline with first backwater valve 12, the outlet of second valve 11 is connected by the import of pipeline with second backwater valve 13, and is respectively equipped with liquor box emptying valve 15 and purge tank emptying valve 16 at liquor box 1 and horizontal purge tank 2 bottoms.
The course of work of the present invention is as follows: when filter element is carried out cleaning operation, the filter element that 30～150 velamens pollute is installed in the horizontal purge tank 2, utilizes heater 4 and attemperating unit 5, be heated to the demineralized water in the liquor box 1 temperature required.Open first valve 10, the 3rd valve 8, second backwater valve 13 and bypass valve 14, whole system is carried out preheating.By adjusting the bypass valve 14 in the water outlet bypass, make system reach the flow of appointment.In the process of carrying out preheating, add the required medicine of washing test, utilize 17 pairs of medicines of bypass and agitator to mix simultaneously.Behind the whole system circulation certain hour, open second valve 11 and first backwater valve 12, the aperture of regulating bypass valve 14 guarantees certain backwash flow,
Close other all valves, contaminated filter element is carried out backwash.After cleaning reaches the fixed time, just wash again.So repeatedly several times, by observation filter element surface clean situation, the color of system's herb liquid and the decline situation of horizontal purge tank import and export pressure reduction, and the pH that opens purge tank emptying valve 16 sampling and measuring solution, the cleaning performance of synthetic determination filter element.Specify when requiring when reaching, wash whole system to water outlet again with demineralized water after the emptying soup and be neutral, finally finish washing test.
Liquor box 1 of the present invention and horizontal purge tank 2 are stainless steel, and corrosion resistance is strong; System has forward and reverse two kinds of methods of operation, is convenient to forward and reverse cleaning; Liquor box 1 is provided with heater and attemperating unit, can regulate the temperature of used soup when cleaning filter element, strict control dosing condition; Horizontal purge tank 2 inside are equipped with detachable clamping plate, are used for fixing filter element to be cleaned, by changing dissimilar clamping plate, can clean dissimilar filter elements.The single Chemical cleaning time is short, can carry out continuously under the situation that does not influence the normal operation of unit.
Liquor box 1 is used for mixing cleaning agent; Horizontal purge tank 2 is a stainless steel, and 30～150 filter elements to be cleaned can be installed in its inside; Heater and attemperating unit are used for controlling the temperature of required soup when cleaning filter element; Flow controlling unit is made up of water pump, bypass and flowmeter, by adjusting the purpose that bypass reaches the control flow.
Main feature of the present invention:
Single cleaning filter element quantity of the present invention is many, and when being used with professional cleaning agent, the single Chemical cleaning time is short, and cleaning performance is good, and the cleaning liquid waste processing is simple, can carry out continuously under the prerequisite that does not influence the normal operation of unit.
The present invention is condition such as Adjustment System flow and running temperature flexibly, guarantees the cleaning performance of dissimilar filter elements.
Commercial plant of the present invention adopts stainless steel, and corrosion resistance is strong, can clean polytype filter element.
Commercial plant of the present invention has forward and reverse two kinds of operation process, can just satisfy wash, two kinds of technologies of backwash, just can easily system be switched between forward and reverse two kinds of methods of operation by controlled valve.
Transportation is convenient in the easy dismounting of commercial plant of the present invention, and safe and reliable to operation, floor space is little, and it is low to clean cost, and economy is higher.
Claims (5)
1. off-line filter-cell industry cleaning device, comprise liquor box (1) and the horizontal purge tank (2) that is connected with liquor box (1) by pipeline, it is characterized in that: described filter element to be cleaned is installed in the horizontal purge tank (2), and advance at horizontal purge tank (2), outlet is respectively equipped with Pressure gauge PI and advances, PI goes out, be disposed with y-type filter (18) on liquor box (1) and the pipeline that horizontal purge tank (2) is connected, water pump (3), flowmeter (7), first valve (10) and second valve (11), the upper end of liquor box (1) offers the water outlet bypass of band bypass valve (14), this water outlet bypass links to each other with the export pipeline of water pump (3), attemperating unit (5) is installed on the liquor box (1), the electric heater (4) that links to each other with attemperating unit (5) is installed in the liquor box (1), liquor box (1) top offers the water return pipeline that is connected with horizontal purge tank (2), first backwater valve (12) and second backwater valve (13) are installed on this water return pipeline, the outlet of first valve (10) is connected by the import of pipeline with first backwater valve (12), the outlet of second valve (11) is connected by the import of pipeline with second backwater valve (13), and is respectively equipped with liquor box emptying valve (15) and purge tank emptying valve (16) at liquor box (1) and horizontal purge tank (2) bottom.
2. off-line filter-cell industry cleaning device according to claim 1 is characterized in that: magnetic turnover panel liquid level gauge (6) and agitator (17) are installed on the described liquor box (1).
3. off-line filter-cell industry cleaning device according to claim 1, it is characterized in that: described horizontal purge tank (2) inside is equipped with the detachable clamping plate that are used for fixing filter element to be cleaned.
4. off-line filter-cell industry cleaning device according to claim 1, it is characterized in that: described liquor box (1) and horizontal purge tank (2) adopt etch-proof stainless steel to make.
5. off-line filter-cell according to claim 1 industry cleaning device is characterized in that: described water pump (3) is two and the water pump that connects, is respectively equipped with water pump valve in the outlet of every water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010123300 CN101780459B (en) | 2010-03-12 | 2010-03-12 | Off-line filter-cell chemically-cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010123300 CN101780459B (en) | 2010-03-12 | 2010-03-12 | Off-line filter-cell chemically-cleaning device |
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| Publication Number | Publication Date |
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| CN101780459A CN101780459A (en) | 2010-07-21 |
| CN101780459B true CN101780459B (en) | 2011-10-26 |
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| CN 201010123300 Expired - Fee Related CN101780459B (en) | 2010-03-12 | 2010-03-12 | Off-line filter-cell chemically-cleaning device |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029112B (en) * | 2010-11-09 | 2012-12-19 | 中国海洋石油总公司 | Offline cleaning device for monosodium glutamate wastewater polluted reverse osmosis membrane |
| CN102151429A (en) * | 2011-01-20 | 2011-08-17 | 西安热工研究院有限公司 | Granular resin film laying method and resin recovery device |
| CN102500144B (en) * | 2011-11-09 | 2014-02-19 | 华北电力科学研究院(西安)有限公司 | Precision processing system for condensed water and chemical cleaning method for filter element of precision processing system |
| CN106513358A (en) * | 2015-09-15 | 2017-03-22 | 江苏海阔生物医药有限公司 | Cleaning device for penems intermediate production instrument |
| CN105149278B (en) * | 2015-10-14 | 2017-05-24 | 广东核电合营有限公司 | Chemical cleaning decontamination equipment of nuclear power plant |
| CN107198970A (en) * | 2017-07-24 | 2017-09-26 | 金科水务工程(北京)有限公司 | A kind of full waterpower is made up a prescription Membrane cleaning system |
| CN108281211A (en) * | 2017-12-27 | 2018-07-13 | 中核四0四有限公司 | A kind of additive blending device |
| CN110822985A (en) * | 2018-08-08 | 2020-02-21 | 苏州恒倍达环保有限公司 | Circulating scale cleaning equipment and using method thereof |
| CN113769587A (en) * | 2021-08-30 | 2021-12-10 | 国网新疆电力有限公司电力科学研究院 | Filter element on-site off-line cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2722511B1 (en) * | 1994-07-15 | 1999-04-02 | Ontrak Systems Inc | PROCESS FOR REMOVING METALS FROM A SCOURING DEVICE |
| EP0893166A4 (en) * | 1996-09-25 | 2004-11-10 | Shuzurifuresher Kaihatsukyodok | Washing means using liquefied gas of high density |
| KR20080013352A (en) * | 2006-08-08 | 2008-02-13 | 류동영 | Cleaning apparatus for cleaning mixing vaporizer |
| WO2009126195A1 (en) * | 2008-04-09 | 2009-10-15 | Dow Global Technologies Inc. | Cleaning compositions for use in closed loop cleaning machines |
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| CN101780459A (en) | 2010-07-21 |
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Owner name: XI AN THERMAL POWER RESEARCH INSTITUTE WATER AFFAI Free format text: FORMER OWNER: XI AN THERMAL POWER RESEARCH INSTITUTE CO., LTD. Effective date: 20130717 |
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Free format text: CORRECT: ADDRESS; FROM: 710032 XI AN, SHAANXI PROVINCE TO: 710089 XI AN, SHAANXI PROVINCE |
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Effective date of registration: 20130717 Address after: 710089 Shaanxi city of Xi'an province Yanliang national aviation hi-tech industrial base, planning two east of Yingbin Avenue Road North Patentee after: Xi'an Thermal Power Research Institute Water Affair & Environmental Protection Co., Ltd. Address before: 710032 Xingqing Road, Shaanxi, China, No. 136, No. Patentee before: Xi'an Thermal Power Research Institute Co., Ltd. |
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Granted publication date: 20111026 Termination date: 20140312 |