CN103743528A - Device for prolonging service life of cloth bag through leak detector - Google Patents
Device for prolonging service life of cloth bag through leak detector Download PDFInfo
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- CN103743528A CN103743528A CN201310562339.6A CN201310562339A CN103743528A CN 103743528 A CN103743528 A CN 103743528A CN 201310562339 A CN201310562339 A CN 201310562339A CN 103743528 A CN103743528 A CN 103743528A
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- cloth bag
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Abstract
The invention provides a device for prolonging the service life of a cloth bag through a leak detector. A clean gas outlet blind plate valve and an ash conveying valve are respectively arranged at an inlet and an outlet in a conical casing. A lower part at the left side of the conical casing is sequentially provided with a lower inlet hole and a compressed air valve. A central part at the right side of the conical casing is sequentially provided with an upper inlet hole and a half-clean gas inlet blind plate valve. Each cloth bag internally provided with a keel bell mouth is vertically arranged between the upper inlet hole and the lower inlet hole of the conical casing. The cloth bags internally provided with the keel bell mouths are additionally provided with the leak detector. An upper plate and a lower plate of the leak detector are provided with detection holes which are matching with the number and the mouth dimension of the cloth bags. Detection tubs fixed on the lower plate are combined with the keel bell mouths of the cloth bags. Bolts for fixing a filtering material are arranged at two ends of the upper plate and the lower plate.
Description
Technical field
The present invention relates to technological transformation, especially in order to eliminate the blindness of dry-method bag-type dust collecting system, change and waste, the designed device of stopping leakage in the roof, after using, effect is splendid.
Background technology
The old liberated area 5# heat generator of blast furnace subsidiary factory, be equipped with 1#-7# dry-method bag-type dust collecting system, early stage is owing in accordance with regulations the casing cloth bag that has reached 2 years tenure of use being carried out to integral replacing, every two years will change No. one time casing cloth bag, by the cloth bag inspection under scene is changed, find, damaged cloth bag is only 10.5%, i.e. 210 cloth bags of a casing, damaged cloth bag mostly is 20 most, remaining cloth bag also can continue to use 1-2, for the method that adopts cycle casing cloth bag integral replacing, be obviously to cause the wasting of resources, the inevitable outcome of the raising of production cost.
The present invention is the target that realizes enterprise innovation, and the method for stopping leakage in the roof of the device of manually stopping leakage in the roof of design is feasible, effectively, not only extends cloth bag serviceable life, simultaneously for enterprise has produced substantial economic benefit, is the energy-saving and cost-reducing exemplary role that played of enterprise.
Summary of the invention
Order of the present invention is: in the bag-type dust removal system of heat generator, install the device of stopping leakage in the roof additional, use leak hunting technology, differentiate that the intact of cloth bag is with damaged, enforcement local replacing, has stopped the wasting of resources, has extended cloth bag life cycle.
The object of the present invention is achieved like this: a kind of device that adopts leak detection to extend cloth bag serviceable life is installed with respectively purified gas outlet blank-plate valve 13, defeated grey valve 14 in the import of conical tank 11 and outlet; In the bottom, left side of conical tank 11, lower hand-hole 1, pressurized air valve 3 are installed successively; In conical tank 11 right side central, hand-hole 2, half purified gas import blank-plate valve 12 are installed successively; Between upper hand-hole 2 in conical tank 11 and lower hand-hole 1, at right angle setting the cloth bag 4 of built-in keel hydraucone 5; On the cloth bag 4 of built-in keel hydraucone 5, installing the device of stopping leakage in the roof additional, symmetrical uniform the detection hole 10 matching with cloth bag 4 numbers, caliber size in the upper plate of the device of stopping leakage in the roof 6 and lower plate 7, is fixed on keel hydraucone 5 combinations of detector tube 15 in lower plate 7 and cloth bag 4; The bolt 9 of fixing filtering material 8 is installed at upper plate 6 and the two ends of lower plate 7.
The technical characterstic of the sniffer of the present invention's design is to change the lower hole coupling shaft flow fan of cloth bag casing, after exhausting displacement, guarantee that in casing, harmful gas displacement is clean, then pass into pressurized air, make formation malleation in casing, note observe cloth bag top have be mingled with ash gentle flue dust emerge, be defined as damaged cloth bag, then mark.Facts have proved, this cloth bag leak hunting technology is safe and reliable, reached the requirement of design, met to replacement cycle casing cloth bag local replacing, life-span cloth bag is used the demand extending, and has solved the difficult problem that damaged cloth bag cannot check, the method not only fast but also convenient, workable, show technical progress.
Accompanying drawing explanation
The present invention is below described further by reference to the accompanying drawings.
Accompanying drawing 1 is pressurized air cloth bag leakage detecting structure schematic diagram;
As shown in the figure: hand-hole-1, bottom, hand-hole-2, top, pressurized air valve-3, cloth bag-4, keel hydraucone-5, upper plate-6, lower plate-7, filtering material-8, conical tank-11, half purified gas import blank-plate valve-12, purified gas outlet blank-plate valve-13, defeated grey valve-14.
The plane that accompanying drawing 2 is detecting device is disassembled schematic diagram;
As shown in the figure: upper plate-6, lower plate-7, filtering material-8, set bolt-9, detection hole-10, detector tube 15.
Embodiment
The present invention is described further in conjunction with the embodiments.
Embodiment
The technical essential of one, stopping leakage in the roof and operating
1) in advance preparation being changed to cloth bag casing exits, open that upper and lower hand-hole is diffused on top and casing is replaced after 48h in hand-hole place, bottom frame axial flow blower exhausting, guarantee that in casing, harmful gas displacement is clean, then close bottom hand-hole, pass into pressurized air, pressure is 0.6MPa, make formation malleation in casing, people can enter according to finite space operation or work standard, inspection has or not undetected cloth bag, if any carrying out mark, change and confirm that rear inspection has or not omission article, then personnel exit and close the upper and lower hand-hole of casing, more than passing into nitrogen replacement air 4h, after coal gas-tight health check-up survey is qualified, this casing is put into production.
2) from top hand-hole, enter while checking cloth bag in casing, note observe cloth bag top have be mingled with ash gentle flue dust emerge, (normal cloth bag only has gas filtration to be defined as damaged cloth bag, free from dust is emerged, there is dust to emerge, the inevitable vestige that leaves on filter cloth), then with slate pencil, carry out mark, then closes compression air is opened bottom hand-hole, the outside exhausting of frame axial flow blower makes formation negative pressure in casing, then according to finite space operation or work standard, the anti-detection oxygen level of the coal of its middle and upper part hand-hole 22%, box house temperature is lower than 60C °.
Operation steps:
1) detector tube on pick-up unit is inserted in keel hydraucone;
2) close lower box hand-hole; .
3) open casing top hand-hole;
4) open pressurized air leak detector valve;
5) pressurized air passes cloth bag from below;
6) pressurized air enters pick-up unit filtration through cloth bag;
7) closes compression air leak detector valve;
8) after qualified to the detection of box house gas, enter casing and carry out mark according to the testing result of pick-up unit, the leak-off pocket that has dust traces on filter cloth is changed.
Two, the making of detecting device and material
1) upper and lower pressing plate employing width is that 50cm, thickness are that 5cm band steel is made, and on band steel middle part and casing orifice plate, cloth bag corresponding section is installed and opens diameter 40cm hole, as compressed air outlet.
2) pick-up unit self-filtering thing adopts the U.S. wire material of white fluorine as filtrate, and inner detector tube adopts diameter 40cm steel pipe manufacturing.
Three, the device explanation of stopping leakage in the roof
In the import of conical tank and outlet, purified gas outlet blank-plate valve, defeated grey valve are installed respectively; In the bottom, left side of conical tank, lower hand-hole, pressurized air valve are installed successively; Hand-hole, half purified gas import blank-plate valve on conical tank right side central is installed with successively; Between upper hand-hole in conical tank and lower hand-hole, at right angle setting the bell-mouthed cloth bag of built-in keel; On the bell-mouthed cloth bag of built-in keel, installing the device of stopping leakage in the roof additional, symmetrical uniform the detection hole matching with cloth bag number, caliber size in the upper plate of the device of stopping leakage in the roof and lower plate, the detector tube being fixed in lower plate is combined with the keel hydraucone of cloth bag; The bolt of fixing filtering material is installed at the two ends of upper plate and lower plate.
Four, safety prevention measure
1) set up in advance the compressed air piping of connect box, carry out secure ID;
2) color of compressed air piping valve must be distinguished with nitrogen pipeline valve;
3) personnel enter front must inspection and prepare to enter casing, relevant nitrogen, coal gas reliably cut off, nitrogen blowback main valve disconnects the be flexible coupling disconnection, lower box block clearing valve of blank off, casing nitrogen blowing and must cut out and install blind plate additional, after ash conveying pipe nitrogen main valve shut-off valve, install blind plate additional, guarantee to enter personal security.
Beneficial effect of the present invention:
1) from the angle of safety, solved the difficult problem how bag-type dust hunts leak.
2), under the condition guaranteeing safe production, can shorten the repair time.
3) change original shortcoming that expires cloth bag integral replacing into local replacing, saved a large amount of funds, stopped waste, reduced the industrial refuse of integral replacing.
Claims (3)
1. the device that adopting leak detection to extend cloth bag serviceable life is installed with respectively purified gas outlet blank-plate valve (13), defeated grey valve (14) in the import of conical tank (11) and outlet; Lower hand-hole (1), pressurized air valve (3) are installed successively in the bottom, left side of conical tank (11); In conical tank (11) right side central, upper hand-hole (2), half purified gas import blank-plate valve (12) are installed successively; Between upper hand-hole (2) in conical tank (11) and lower hand-hole (1), at right angle setting the cloth bag (4) of built-in keel hydraucone (5), it is characterized in that: on the cloth bag (4) of built-in keel hydraucone (5), installing the device of stopping leakage in the roof additional, upper symmetrical uniform the detection hole (10) matching with cloth bag (4) number, caliber size of upper plate (6) and the lower plate (7) of device of stopping leakage in the roof, the detector tube (15) being fixed in lower plate (7) moves and coordinates with the keel hydraucone (5) of cloth bag (4); The bolt (9) of fixing filtering material (8) is installed at upper plate (6) and the two ends of lower plate (7).
2. according to device described in claim 1, it is characterized in that: the upper plate of detecting device and lower plate material consist of band steel.
3. according to device described in claim 1, it is characterized in that: the filtering material of detecting device consists of the U.S. silk of white fluorine material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562339.6A CN103743528A (en) | 2013-11-12 | 2013-11-12 | Device for prolonging service life of cloth bag through leak detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562339.6A CN103743528A (en) | 2013-11-12 | 2013-11-12 | Device for prolonging service life of cloth bag through leak detector |
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| CN103743528A true CN103743528A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310562339.6A Pending CN103743528A (en) | 2013-11-12 | 2013-11-12 | Device for prolonging service life of cloth bag through leak detector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192838A (en) * | 2017-06-21 | 2017-09-22 | 桐乡市锦格家纺有限公司 | A kind of cloth damage detection device |
| CN113041727A (en) * | 2021-03-25 | 2021-06-29 | 包头钢铁（集团）有限责任公司 | Method for checking damage of dust removal cloth bag |
| CN113203560A (en) * | 2021-03-22 | 2021-08-03 | 宣化钢铁集团有限责任公司 | Quick positioning device and method for damaged diaphragm of tandem pulse valve |
| CN113720556A (en) * | 2020-05-25 | 2021-11-30 | 北京新能源汽车股份有限公司 | Method and device for detecting dust tightness of vehicle |
Citations (4)
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| JPH11201855A (en) * | 1998-01-20 | 1999-07-30 | Osaka Gas Co Ltd | Gas leak detector |
| GB2430900A (en) * | 2005-10-05 | 2007-04-11 | Gen Electric | A method of detecting leaks in filter bags |
| CN201464138U (en) * | 2009-06-16 | 2010-05-12 | 上海宝田新型建材有限公司 | Detection device for dust-collecting filter bag holes of COREX slag powder collector |
| CN101876583A (en) * | 2009-12-18 | 2010-11-03 | 武汉朗涤环保科技工程有限公司 | Filter-press type leakage detector for bag-type dust remover |
-
2013
- 2013-11-12 CN CN201310562339.6A patent/CN103743528A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11201855A (en) * | 1998-01-20 | 1999-07-30 | Osaka Gas Co Ltd | Gas leak detector |
| GB2430900A (en) * | 2005-10-05 | 2007-04-11 | Gen Electric | A method of detecting leaks in filter bags |
| CN201464138U (en) * | 2009-06-16 | 2010-05-12 | 上海宝田新型建材有限公司 | Detection device for dust-collecting filter bag holes of COREX slag powder collector |
| CN101876583A (en) * | 2009-12-18 | 2010-11-03 | 武汉朗涤环保科技工程有限公司 | Filter-press type leakage detector for bag-type dust remover |
Non-Patent Citations (2)
| Title |
|---|
| 安钢等: "高炉煤气采用净煤气脉冲布袋除尘技术的应用", 《冶金能源》, vol. 25, no. 1, 31 January 2006 (2006-01-31), pages 48 - 51 * |
| 邹永案: "高炉煤气布袋除尘技术的发展与展望", 《四川冶金》, vol. 30, no. 5, 31 October 2008 (2008-10-31) * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192838A (en) * | 2017-06-21 | 2017-09-22 | 桐乡市锦格家纺有限公司 | A kind of cloth damage detection device |
| CN107192838B (en) * | 2017-06-21 | 2019-09-17 | 陈德言 | A kind of cloth damage detection device |
| CN113720556A (en) * | 2020-05-25 | 2021-11-30 | 北京新能源汽车股份有限公司 | Method and device for detecting dust tightness of vehicle |
| CN113203560A (en) * | 2021-03-22 | 2021-08-03 | 宣化钢铁集团有限责任公司 | Quick positioning device and method for damaged diaphragm of tandem pulse valve |
| CN113203560B (en) * | 2021-03-22 | 2022-05-24 | 宣化钢铁集团有限责任公司 | Quick positioning device and method for damaged diaphragm of tandem pulse valve |
| CN113041727A (en) * | 2021-03-25 | 2021-06-29 | 包头钢铁（集团）有限责任公司 | Method for checking damage of dust removal cloth bag |
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Application publication date: 20140423 |