CN1689686A - Plug-in type blowback dust cleaning device used in bag-type dust collector and method thereof - Google Patents
Plug-in type blowback dust cleaning device used in bag-type dust collector and method thereof Download PDFInfo
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- CN1689686A CN1689686A CN 200510058804 CN200510058804A CN1689686A CN 1689686 A CN1689686 A CN 1689686A CN 200510058804 CN200510058804 CN 200510058804 CN 200510058804 A CN200510058804 A CN 200510058804A CN 1689686 A CN1689686 A CN 1689686A
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Abstract
The present invention is one kind of inserted reverse blowing dust cleaning device and method for bag-type dust collector. The inserted reverse blowing dust cleaning device has reverse blowing gas conveying pipe, which is extended into the bag and has nozzle. The dust cleaning method is to convey gas of 0.2-0.3 MPa pressure and 8-10 cu m/min flow rate to the reverse blowing gas conveying pipe and the nozzle at 120-300 deg.c. The present invention adopts bi-directional nozzle and thus cloth bag of doubled length may be used to reduce the cross section area of the dusting case by 50 % and to reduce the covered area of the dust collector by 50 %.
Description
Technical field
The present invention relates to a kind of solid material devices and methods therefor of from the mixed material of solid and gas, isolating, particularly a kind of removing dust and clearing ash devices and methods therefor that the dust that produces in the production process of various industries is carried out dedusting.
Background technology
Now, in production processes such as iron and steel, non-ferrous metal, mineral products, chemical industry and construction material, can produce a large amount of all kinds of dust, these dust not only endanger direct labor's health, but also contaminated environment is seriously destroyed the ecological balance, for this reason, the production line of above-mentioned industry must be installed the removing dust and clearing ash device, eliminates the pollution of dust to human and environment.
In the prior art, the dust collection method of all kinds of dust has two kinds: the one, and gravitational dust collection adds water washing dedust, and the 2nd, gravitational dust collection adds the cloth-bag type dedusting.
Add in the cloth-bag type dedusting at gravitational dust collection, the dusty gas behind gravitational dust collection enters in each dust-removing box of cloth-bag type dedusting by pipeline.Hanging 80 above dust-removal cloth-bags in each dust-removing box from above, the cloth bag length is 6-8m, diameter 100-130mm.
In the cloth-bag type dust-removing box, all kinds of dusty gases behind the hole by cloth bag, become clean gas under the effect of pressure, by cloth sack and clean gas outlet output; Dust is then filtered in the cloth bag outside, and bulky grain is fallen in the laying dust device of lower box, and granule then is attached around cloth bag; form adhesion layer, after after a while, adhesion layer thickens; influence the gas penetration power of cloth bag,, eliminate cloth bag adhesion layer on every side so need to shut down.
In the prior art, remove the method for cloth bag adhesion layer dust and above the cloth sack, establish a winding-up mouth usually,, force dust to break away from cloth bag from this mouthful inert gas that feeds certain pressure of jetting, fall into the dust deposited case of casing below, this method is a single hole pulse jetting deashing method.
The shortcoming of this single hole pulse jet cloth bag deashing method is exactly that whole dust-removing box is huge, and floor space is big, and overall investment is also big.Desire to want to reduce casing quantity, reduce floor space, under the need situation that the bag-type dust gross area is constant in keeping casing, reduce cloth bag quantity, increase the length of single cloth bag.As existing cloth bag length is 6-8 rice, if cloth bag quantity reduces half, then the cloth bag length need increase to 12-16 rice.So long cloth bag because of winding-up power does not reach the degree of depth of 12-16 rice, adopts existing single hole pulse jetting deashing method that the cloth bag deashing is not reached ash-removal effect.
Summary of the invention
The object of the present invention is to provide a kind of plug-in type reverse gas cleaning devices and methods therefor that is used for sack cleaner, can remove the adhesion layer dust of microscler cloth bag periphery more than 12 meters.
First scheme of the present invention, a kind of plug-in type reverse gas cleaning device that is used for sack cleaner is provided, has the purge gas carrier pipe, electromagnetic impulse valve and the purge gas winding-up pipe that is connected with the purge gas carrier pipe, described purge gas winding-up pipe extend in the cloth bag, is provided with spout on purge gas winding-up pipe.
Alternative plan of the present invention specifically is made as described spout a plurality ofly on the basis of first scheme, is located on the tube wall of described purge gas winding-up pipe respectively and the end.
Third party's case of the present invention, first or the basis of alternative plan on, on described purge gas winding-up pipe, one and more than one shower nozzle are set, shower nozzle is provided with a plurality of and the purge gas spouts that pipe communicates of jetting.
Cubic case of the present invention on the basis of third party's case, is located at least one shower nozzle the end of described purge gas winding-up pipe.
The 5th scheme of the present invention, a kind of described ash removal method that is used for the plug-in type reverse gas cleaning device of sack cleaner of claim 1 that utilizes is provided, in operating temperature is under 120-300 ℃, input pressure is that 0.2～0.3Mpa, flow are the pressed gas of 8～10Nm3/min in purge gas carrier pipe and purge gas winding-up pipe, and pressed gas sprays through spout.
The 6th scheme of the present invention provides a kind of sack cleaner, has dust-removing box, is provided with cloth bag, cloth bag supporting arrangement and reverse gas cleaning device in the dust-removing box; Be respectively equipped with ash-laden gas inlet and the outlet of clean gas that communicates with this dust-removing box in the above and below of dust-removing box, described clean gas outlet is isolated by cloth bag and dividing plate with described ash-laden gas inlet; Described reverse gas cleaning device has the purge gas carrier pipe, electromagnetic impulse valve and the purge gas winding-up pipe that is connected with the purge gas carrier pipe, and described purge gas winding-up pipe extend in the cloth bag, is provided with spout on purge gas winding-up pipe.
The present invention is applicable to the dust dedusting in the production processes such as iron and steel, non-ferrous metal, mineral products, chemical industry and construction material.After the dedusting, airborne dustiness can be reduced to less than 10mg/m
3, satisfy national requirements for environmental protection.
Compared with prior art, the present invention has following advantage:
(1) because purge gas winding-up pipe is inserted into cloth bag, so can adopt than the long microscler cloth bag more than 1 times of existing cloth bag length, the dust-removing box cross section is reduced by half, corresponding dust-removing box quantity reduces by half, its occupation area of equipment reduces over half, has greatly alleviated the nervous situation that enterprise produces land used.
(2), reduced the cost of investment of investment in fixed assets and project owing to the minimizing of dust-removing box and auxiliary equipment thereof.
Description of drawings
Fig. 1 is the structural representation of the 1st embodiment of the present invention.
Fig. 2 is the assembly structure schematic diagram of purge gas winding-up pipe shown in Figure 1 and shower nozzle.
Fig. 3 is the plan structure schematic diagram of shower nozzle shown in Figure 1.
Fig. 4 is the structural representation of looking up of shower nozzle shown in Figure 1.
Fig. 5 is the structural representation of the purge gas winding-up pipe of the 2nd embodiment of the present invention.
Fig. 6 for A among Fig. 5 to shown in purge gas winding-up pipe look up structural representation.
Fig. 7 is another structural representation of the winding-up pipe of the 1st embodiment of the present invention.
Fig. 8 is the cutaway view along the purge gas winding-up pipe of Fig. 7 B-B line.
Fig. 9 is the structural representation of the 3rd embodiment of the present invention.
The specific embodiment
Now the invention will be further described with reference to the accompanying drawings.
The 1st embodiment
As shown in Figures 1 to 4, it shows a kind of sack cleaner, it comprises two above dust-removing boxs, and each dust-removing box has upper box 6, lower box 7, support 14, support plate 16, laying dust device 13, lattice board 15, cover plate 9, cloth bag 11 and plug-in type reverse gas cleaning device; Upper box 6 links to each other with lower box 7 by lattice board 15 and communicates, lower box 7 is bearing on the support plate 16, laying dust device 13 is hung on support plate 16, and communicate with lower box 7, support plate 16 is by support 14 supportings, cover plate 9 is in the top of upper box 6, one clean gas outlet 10 is arranged above upper box 6, and communicate with it, one ash-laden gas inlet 12 is arranged below lower box 7, and communicate with it, cloth bag 11 is suspended on the lattice board 15, be hung with the cloth bag 11 more than 80 in each dust-removing box, plug-in type reverse gas cleaning device is assemblied on the upper box 6.
Plug-in type reverse gas cleaning device has purge gas winding-up pipe 1, purge gas carrier pipe and electromagnetic impulse valve 5, purge gas winding-up pipe 1 is connected with the purge gas carrier pipe, wherein the purge gas carrier pipe is divided into purge gas delivery main 4 and purge gas conveying arm 3, described purge gas winding-up pipe 1 extend in the cloth bag 11, is provided with spout 17 (also can be described as spray orifice 17) on purge gas winding-up pipe 1.Described spout 17 can be arranged on any place of purge gas winding-up pipe 1, preferably is located at purge gas winding-up mouthful 1 place, end that stretches in the cloth bag, and promptly this end is non-enclosed.Described spout 17 can also be that spout is a plurality of, is located on the tube wall of described purge gas winding-up pipe 1 respectively and place, above-mentioned end (as Fig. 7 and Fig. 8).
In addition, can also on described purge gas winding-up pipe 1, be provided with one and more than one shower nozzle 2, simultaneously, a plurality of winding-up with purge gas is set on shower nozzle 2 manages 1 spout that communicates 17, the spout 17 on shower nozzle 2 is to different directions ejection pressed gas so simultaneously.One concrete form of described shower nozzle can be two-way shower nozzle as Fig. 2 to shown in Figure 4, promptly stretches in the cloth bag 11, and has a plurality of the winding-up with purge gas on the last lower wall of shower nozzle 2 simultaneously and manage 1 spout that communicates 17.Shown in Fig. 1 is the situation that shower nozzle 2 is located at purge gas winding-up pipe 1 end, also can according to circumstances be located at other place of tube wall.
Purge gas is carried an end of arm 3 to link to each other with purge gas winding-up pipe 1 and is communicated, the other end then links to each other with purge gas delivery main 4 and communicates, purge gas delivery main 4 links to each other with the blowback source of the gas, electromagnetic impulse valve 5 is assemblied in the end that purge gas is carried arm 3, and communicate with it, purge gas winding-up pipe 1 and two-way shower nozzle stretch in the cloth bag 11 in the lump.
By foregoing, the invention provides a kind of novel sack cleaner as can be seen, and the plug-in type reverse gas cleaning device that is used for sack cleaner.
Simultaneously, the present invention also provides a kind of ash removal method, this method is to utilize above-mentioned plug-in type reverse gas cleaning device, is under 120-300 ℃ in operating temperature, is that 0.2～0.3Mpa, flow are 8～10Nm by source of the gas input pressure in purge gas carrier pipe and purge gas winding-up pipe 1
3The pressed gas of/min, pressed gas is through spout 17 ejections.Because spout 17 is positioned at cloth bag 11, and can have a plurality of, so can make the winding-up of gas that is under pressure of the differing heights of cloth bag as required, thereby carry out deashing more completely.
Dusty gas is entered in the lower box 7 by ash-laden gas inlet 12, and under the effect of pressure, the hole of gas penetration cloth bag 11 is entered in the upper box 6 by the cloth sack, becomes clean gas, and clean gas enters the purified gas transfer pipeline by clean gas outlet 10.The dustiness of clean gas can be reduced to less than 10mg/m
3In the purification process of dusty gas, its dust can not pass cloth bag 11, and big dust particle is then kept off, fall within the laying dust device 13, fine dust then attached to the periphery of cloth bag 11, becomes adhesion layer, when adhesion layer reaches certain thickness, influence gas penetration power, promptly influence dust removing effects and speed, for this reason, need stop dusty gas and filter, cloth bag is carried out deashing, recover original filtering function of cloth bag.
When adopting inert gas as the pressed gas deashing, open electromagnetic impulse valve 5, inert gas enters purge gas by the purge gas delivery main and carries arm and purge gas winding-up pipe 1 and shower nozzle 2, the inert gas of input has certain pressure, the band pressure inert gas by shower nozzle 2 up and down both direction wash away cloth bag 11, force the adhesion layer dust of cloth bag periphery to break away from cloth bag 11, fall into laying dust device 13, after washing away certain hour, the dust of cloth bag 11 peripheries is removed, cloth bag recovers air permeability, recovers original filtering function.Afterwards, proceed the dust removal process of dusty gas again.
The 2nd embodiment
Fig. 5 and Fig. 6 represent to constitute the sack cleaner of the present invention the 2nd embodiment.This sack cleaner only is that the structure of purge gas winding-up pipe 1 reaches and gas carries the connected mode of arm 3 different, and other structure is identical with the structure of the 1st embodiment.Therefore, the structural element identical with sack cleaner put on identical label and omitted detailed explanation.
Sack cleaner manages 1 by the purge gas winding-up, shower nozzle 20, and purge gas carrier pipe and electromagnetic impulse valve 5 are formed.Purge gas winding-up pipe 1 is connected with the purge gas carrier pipe by shower nozzle 20, and electromagnetic impulse valve 5 is assemblied in the end that gas is carried arm 3, and the winding-up of control shower nozzle 20 and spout 17 with stop to move.Shower nozzle 20 is placed on the position of cloth bag 11 openings, and purge gas winding-up pipe 1 can extend into random length the cloth bag 11 from cloth bag 11 openings, preferably stretches into distance at 6 meters-16 meters.
Purge gas winding-up pipe 1 end of stretching in the cloth bag 11 has spout 18, and its other end is vertically mounted on the shower nozzle 20, the diameter of shower nozzle 20 is bigger than the diameter of purge gas winding-up pipe 1, in the face of evenly or unevenly having the spout 17 of a plurality of circular holes or arbitrary shape on the direction of cloth bag, the aperture is directed downwards or to side-lower at shower nozzle 20.
The winding-up process of deashing is as follows:
Adopt inert gas as pressed gas, open electromagnetic impulse valve 5 during deashing, inert gas enters gas by gas transmission main 4 and carries arm 3 and shower nozzle 20 and purge gas winding-up pipe 1, gases at high pressure are sprayed to the first half of cloth bag 11 by the spout 17 of shower nozzle 20, the spout 18 of purge gas winding-up pipe 1 sprays to gases at high pressure the Lower Half of cloth bag 11, the whole piece cloth bag is all fully jetted like this, force the adhesion layer dust of whole piece cloth bag periphery to break away from cloth bag 11 and fall into laying dust device 13, the pulse dust of cloth bag 11 peripheries is later removed after the cloth bag recovery gas permeability, proceeds the dust removal process of dusty gas again.
The 3rd embodiment
As shown in Figure 9,1 is support in the sack cleaner, and 2 is ash bucket, 3 is lower box, and 4 are the flower chromium plate, and 5 is upper box, 6 is cover plate, and 7,8 are purge gas conveying arm (medium transport arm), and 9 is one section winding-up pipe, 10 is two sections winding-up pipes, 11 is the dust-laden gas entry, and 12 for purifying gas exit, and 13,14 is electromagnetic impulse valve, 15 is purge gas delivery main (medium transport house steward), and 16 is cloth bag.Wherein, upper box 5 links to each other with lower box 3 by lattice board 4 and communicates, cover plate 6 is in the top of upper box 5, ash bucket 2 links to each other with lower box 3 and communicates, and an end of medium transport arm 7,8 links to each other with two sections winding-up pipes 10 with one section winding-up pipe 9 respectively, and the other end links to each other with electromagnetic impulse valve 13,14 respectively, simultaneously, medium transport arm 7,8 also links to each other with medium transport house steward 15, and cloth bag 16 is supported on the lattice board 4, and lower box 3 is bearing on the support 1.In common 1 casing, hang 80-250 cloth bag.
Coal gas filtration and sack cleaner deashing process are as follows:
Dust-laden coal gas is entered in the lower box 3 by gas entry 11, and under the effect of pressure, coal gas penetrates the hole of cloth bag 16, is entered in the upper box 5 by the cloth sack, becomes purification coal gas, purifies coal gas and enters purification gas conveying tube road by gas exit 12.Purify the dustiness≤10mg/m of coal gas
3In the filter process of dust-laden coal gas, its dust can not pass, and big dust particle is then kept off, fall within the ash bucket 2, fine solid particle then attached to the periphery of cloth bag, becomes adsorption layer, when adsorption layer reaches certain thickness, then influence the penetration power of coal gas, influence dust removing effects and speed, at this moment, need stop coal gas and filter, cloth bag is carried out deashing, to recover original filtering function of cloth bag.
Adopt nitrogen as the deashing medium, during deashing, open electromagnetic impulse valve 7,8, nitrogen enters medium transport arm 7,8 by medium transport house steward 15, and enter 9 and two sections winding-up pipes 10 of one section winding-up pipe respectively, the nitrogen of input has certain pressure, and the nitrogen of band pressure washes away cloth bag, forces peripheral adsorption layer dust to break away from cloth bag, fall into ash bucket 2, after washing away certain hour, cloth bag recovers air permeability, recovers original filtering function.At this moment, open ash bucket 2 valves, the dust in the removal ash bucket 2 afterwards, is proceeded coal gas dust removal again.
Adopt apparatus and method of the present invention, on the coal gas bag-type dust remover of 300 cubic metres of blast furnaces, carried out the test of 3 coal gas bag-type dusts and cloth bag deashing, the coal gas dust removal device of this blast furnace has 4 cloth-bag type dust-removing boxs, each cabinet arrangement 119 filter cloth bags, cloth bag length 16m, cloth bag diameter 125mm, 2869.5 square metres of the dust removal and filtration gross areas.
The raw coke oven gas that at first will need dedusting is by in the gas entry input deduster, raw coke oven gas is with certain flow velocity, by dust-removal cloth-bag, after dedusting, purified gas is gone out by the cloth sack, enter the output of purified gas transfer pipeline, when the working resistance of deduster acquires a certain degree, illustrate that the adsorption layer of dust-removal cloth-bag periphery has reached certain thickness, influenced the penetration power of coal gas, need stop dust removal process, cloth bag is carried out off-line ash-clearing.Promptly open electromagnetic impulse valve, in medium nitrogen input winding-up pipe, remove the dust of cloth bag periphery.Coal gas bag-type dust parameter and cloth bag deashing parameter are as shown in table 1.
Table 1 embodiment coal gas filtration parameter and cloth bag deashing parameter
| Lot number | The coal gas filtration parameter | Cloth bag deashing parameter | ||||||
| Coal gas treating capacity Nm 3/h | Filtration velocity m/min | Operating temperature ℃ | Dust content of gas mg/m3 | Nitrogen pressure Mpa | Nitrogen flow Nm 3/min | Operating temperature ℃ | ||
| Before the dedusting | After the dedusting | |||||||
| ????1 | ?78000 | ????0.70 | ????200 | ??18000 | ????9.0 | ??0.22 | ??8.5 | ??150 |
| ????2 | ?82000 | ????0.8 | ????190 | ??17900 | ????8.9 | ??0.28 | ??9.8 | ??180 |
| ????3 | ?80000 | ????0.79 | ????198 | ??17500 | ????8.0 | ??0.25 | ??9.2 | ??181 |
Claims (9)
1. plug-in type reverse gas cleaning device that is used for sack cleaner, has the purge gas carrier pipe, electromagnetic impulse valve and the purge gas winding-up pipe that is connected with the purge gas carrier pipe, it is characterized in that: described purge gas winding-up pipe extend in the cloth bag, is provided with spout on purge gas winding-up pipe.
2. the plug-in type reverse gas cleaning device that is used for sack cleaner as claimed in claim 1, it is characterized in that: described spout is a plurality of, is located on the tube wall of described purge gas winding-up pipe respectively and the end.
3. the plug-in type reverse gas cleaning device that is used for sack cleaner as claimed in claim 1 or 2 is characterized in that: be provided with one and more than one shower nozzle on described purge gas winding-up pipe, shower nozzle is provided with a plurality of spouts that communicate with purge gas winding-up pipe.
4. the plug-in type reverse gas cleaning device that is used for sack cleaner as claimed in claim 3 is characterized in that: at least one shower nozzle is located at the end of described purge gas winding-up pipe.
5. one kind is utilized the described ash removal method that is used for the plug-in type reverse gas cleaning device of sack cleaner of claim 1, it is characterized in that: in operating temperature is under 120-300 ℃, and input pressure is that 0.2～0.3Mpa, flow are 8～10Nm in purge gas carrier pipe and purge gas winding-up pipe
3The pressed gas of/min, pressed gas sprays through spout.
6. a sack cleaner has dust-removing box, is provided with cloth bag, cloth bag supporting arrangement and reverse gas cleaning device in the dust-removing box; Be respectively equipped with ash-laden gas inlet and the outlet of clean gas that communicates with this dust-removing box in the above and below of dust-removing box, described clean gas outlet is isolated by cloth bag and dividing plate with described ash-laden gas inlet; Described reverse gas cleaning device has the purge gas carrier pipe, and electromagnetic impulse valve and the purge gas winding-up pipe that is connected with the purge gas carrier pipe is characterized in that: described purge gas winding-up pipe extend in the cloth bag, is provided with spout on purge gas winding-up pipe.
7. sack cleaner as claimed in claim 6 is characterized in that: described spout is a plurality of, is located on the tube wall of described purge gas winding-up pipe respectively and the end.
8. as claim 6 or 7 described sack cleaners, it is characterized in that: be provided with one and more than one shower nozzle on described purge gas winding-up pipe, shower nozzle is provided with a plurality of spouts that communicate with purge gas winding-up pipe.
9. sack cleaner as claimed in claim 8 is characterized in that: at least one shower nozzle is located at the end of described purge gas winding-up pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100588048A CN100441267C (en) | 2004-03-26 | 2005-03-28 | Plug-in type blowback dust cleaning device used in bag-type dust collector and method thereof |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410029769 CN1563286A (en) | 2004-03-26 | 2004-03-26 | Multiple stage pulsant ash removal equipment in bag typed dust removal for blast furnace gas, and method |
| CN200410029769.2 | 2004-03-26 | ||
| CN2004201201527 | 2004-12-24 | ||
| CN200420120152.7 | 2004-12-24 | ||
| CNB2005100588048A CN100441267C (en) | 2004-03-26 | 2005-03-28 | Plug-in type blowback dust cleaning device used in bag-type dust collector and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1689686A true CN1689686A (en) | 2005-11-02 |
| CN100441267C CN100441267C (en) | 2008-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100588048A Expired - Fee Related CN100441267C (en) | 2004-03-26 | 2005-03-28 | Plug-in type blowback dust cleaning device used in bag-type dust collector and method thereof |
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| CN (1) | CN100441267C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814085A (en) * | 2011-06-06 | 2012-12-12 | 李军 | Blowing method and device thereof for pulsed jet cloth filter |
| CN103285679A (en) * | 2013-05-22 | 2013-09-11 | 江苏新中环保股份有限公司 | Dust cleaning device of cloth bag dust remover |
| CN105289138A (en) * | 2015-10-29 | 2016-02-03 | 张家港市鑫田机械有限公司 | Dust removing system for wood-plastic pelletizer |
| CN106268131A (en) * | 2016-08-25 | 2017-01-04 | 广东隽诺环保科技股份有限公司 | The dust pelletizing system of waste product exhausting line |
| CN112892141A (en) * | 2021-01-21 | 2021-06-04 | 韩占卫 | Multi-element dust purification equipment in factory |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043524U (en) * | 1988-04-09 | 1989-08-30 | 无锡市水泵厂 | Rotary reverse blow pulse bag dustremover |
| US5562251A (en) * | 1993-09-03 | 1996-10-08 | Goyen Controls & Co. Pty. Limited | Gas nozzle for bag house cleaning systems |
| JP3170129B2 (en) * | 1994-01-18 | 2001-05-28 | 三菱重工業株式会社 | Bag filter device |
| CN2485027Y (en) * | 2000-09-12 | 2002-04-10 | 吴江宝带除尘有限公司 | Rotary arm type direct injection pulse bag type dust collector |
| CN2652488Y (en) * | 2003-10-21 | 2004-11-03 | 新乡市太行环保科技有限公司 | Rotary back blowing type cloth bag dust remover |
-
2005
- 2005-03-28 CN CNB2005100588048A patent/CN100441267C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814085A (en) * | 2011-06-06 | 2012-12-12 | 李军 | Blowing method and device thereof for pulsed jet cloth filter |
| CN103285679A (en) * | 2013-05-22 | 2013-09-11 | 江苏新中环保股份有限公司 | Dust cleaning device of cloth bag dust remover |
| CN105289138A (en) * | 2015-10-29 | 2016-02-03 | 张家港市鑫田机械有限公司 | Dust removing system for wood-plastic pelletizer |
| CN106268131A (en) * | 2016-08-25 | 2017-01-04 | 广东隽诺环保科技股份有限公司 | The dust pelletizing system of waste product exhausting line |
| CN112892141A (en) * | 2021-01-21 | 2021-06-04 | 韩占卫 | Multi-element dust purification equipment in factory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100441267C (en) | 2008-12-10 |
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Address after: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee after: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee after: HBIS Co.,Ltd. Address before: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee before: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee before: HEBEI IRON & STEEL Co.,Ltd. Address after: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee after: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee after: HEBEI IRON & STEEL Co.,Ltd. Address before: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee before: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee before: Hbis Company Limited |
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| CP03 | Change of name, title or address |
Address after: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee after: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee after: Chengde Xinxin Vanadium and Titanium Co.,Ltd. Address before: 100083 Beijing, Xueyuan Road,, University of Science and Technology Beijing, conference room, room 30, No. 1303 Patentee before: BEIJING BOPENGBEIKE TECHNOLOGY Co.,Ltd. Patentee before: Chengde Xinxin Vanadium and Titanium Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20161207 Address after: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee after: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee after: Hbis Company Limited Address before: 100083 Beijing City, Haidian District Xueyuan Road District No. 30 Fangxing building 10 layer 1001 Patentee before: BEIJING BOBON BESTECH ENERGY CONSTRUCTION & ENVIRONMENTAL PROTECTION CO.,LTD. Patentee before: Chengde Xinxin Vanadium and Titanium Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20190328 |