CN201676613U - Filter bag self-cleaning device of powder filtering chamber of spray drying tower - Google Patents
Filter bag self-cleaning device of powder filtering chamber of spray drying tower Download PDFInfo
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- CN201676613U CN201676613U CN2010201787204U CN201020178720U CN201676613U CN 201676613 U CN201676613 U CN 201676613U CN 2010201787204 U CN2010201787204 U CN 2010201787204U CN 201020178720 U CN201020178720 U CN 201020178720U CN 201676613 U CN201676613 U CN 201676613U
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- filter bag
- drying tower
- spray drying
- valve
- cleaning device
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Abstract
The utility model discloses a filter bag self-cleaning device of a powder filtering chamber of a spray drying tower, which comprises a casing, wherein the casing is arranged on the powder filtering chamber of the spray drying tower; a support frame is arranged below the casing; a lower sealing plate of the casing is provided with an air inlet and an air hole; the air hole corresponds to an air outlet pipe of the filter bag; an upper sealing plate of the casing is provided with an air outlet; the air outlet and the air inlet are positioned on the same axis; an upper cover plate of the casing is connected with the support frame through a valve assembly; and the casing is provided with a vent hole which is connected with an exhaust pipe through the connecting pipe. According to the utility model, a set of self-cleaning device is added on the traditional power filter chamber and is arranged between the air outlet and the exhaust pipe of the filter bag; the flowing direction of gas can be changed by changing the on-off of the valve; and the aim of cleaning powder granules on the filter bag can be achieved by back blowing the filter bag through the air. The utility model has simple structure and convenient use, improves the production capacity of the spray drying tower, the production efficiency of enterprises and the quality of products and reduces the labor intensity of workers.
Description
Technical field:
The utility model belongs to produces the used mechanical equipment technical field of powdery product, is specifically related to the filter bag self-cleaning device of a kind of spray drying tower filter powder chamber.
Background technology:
At food, chemical industry, industries such as medicine, have liquid material, suspended substance, the pasty material drying produces the demand of Powdered final products, just need spray drying tower this moment, spray drying tower utilizes hot blast upwards to blow at the bottom of tower, liquid material or pasty material spray downwards from top of tower, state with the little droplet of liquid moves downward, droplet and hot blast are done move toward one another in spray drying tower, liquid rapid evaporation in the droplet, remaining solid forms powder particle, hot blast carries powder particle and enters filter powder chamber, and powder particle is in the indoor collection of filter powder, and tail gas has blower fan to extract out outside the tower through filter bag, spray drying tower has continuous production, rate of drying is fast, product easily collecting, advantage such as dust is little.
At present; spray drying tower on the market; the filter bag escape pipe of filter powder chamber directly links to each other with exhaust duct; tail gas is directly got rid of from exhaust duct behind the bag filtration after filtration, and at this moment, some tiny powder particles can be attached on the filter bag; produce for a long time; cumulative attached to the powder particle on the filter bag, with the filter opening obstruction of filter bag, influence the gas permeability of filter bag; air draft is not smooth; thereby restricted the spray-drying output of column, when the filter bag air draft is not smooth, need clear up the powder particle on the filter bag; at present in actual production; also mainly adopt labor cleaning's method, i.e. equipment downtime, the staff enters from manhole filter bag is carried out the labor cleaning; this method has a strong impact on enterprises production efficiency; increase staff's labour intensity, and working environment is very abominable, the automatic cleaning that how to realize filter bag is a technical barrier.
The utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides the filter bag self-cleaning device of a kind of spray drying tower filter powder chamber, and it is to increase by a cover self-cleaning device on former filter powder chamber, it is to utilize air that filter bag is carried out blowback, to reach the purpose of powder particle on the cleaning filter bag, can carry out the blowback cleaning to filter bag at any time, simple in structure, easy to use, improve the spray-drying output of column greatly, improve enterprises production efficiency, reduce labor strength.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The filter bag self-cleaning device of a kind of spray drying tower filter powder chamber, it comprises housing 10, housing 10 is arranged on the drying tower filter powder chamber 18, housing 10 is arranged with bracing frame 15, the lower seal plate 13 of housing 10 is provided with air admission hole 14 and pore 16, pore 16 is corresponding with filter bag escape pipe 17, the upper sealing panel 7 of housing 10 is provided with venthole 6, venthole 6 and air admission hole 14 are on same axis, the upper cover plate 4 of housing 10 and bracing frame 15 are connected by valve sets, housing 10 is provided with steam vent 20, and steam vent 20 connects exhaust duct 1 by tube connector 3.
Further, described valve sets comprises central shaft 5, and central shaft 5 flexibly connects with upper cover plate 4 and bracing frame 15, central shaft 5, venthole 6 and air admission hole 14 are coaxial, central shaft 5 is provided with valve 9 and lower valve 11, and last valve 9 is corresponding with venthole 6, and lower valve 11 is corresponding with air admission hole 14.
Further, be provided with sealing gasket 8 between described upper sealing panel 7 and the last valve 9, sealing gasket 8 is arranged on around the venthole 6, perhaps is arranged on the valve 9.
Further, be provided with sealing gasket 12 between described lower valve 11 and the lower seal plate 13, sealing gasket 12 is arranged on around the air admission hole 14, perhaps is arranged on the lower valve 11.
The beneficial effects of the utility model are:
1, the utility model is to increase by a cover self-cleaning device on former filter powder chamber, self-cleaning device is arranged between filter bag venthole and the exhaust duct, by changing closing of valve, change the direction of gas flow, utilize air that filter bag is carried out blowback, to reach the purpose of powder particle on the cleaning filter bag;
2, the utility model is simple in structure, and is easy to use, can carry out the blowback cleaning to filter bag at any time, improves the spray-drying output of column greatly, improves enterprises production efficiency, improves the quality of products, and reduces labor strength.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of the utility model Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As Fig. 1, shown in Figure 2, the filter bag self-cleaning device of a kind of spray drying tower filter powder chamber, it comprises housing 10, housing 10 is arranged on the filter powder chamber 18, housing 10 is arranged with bracing frame 15, the lower seal plate 13 of housing 10 is provided with air admission hole 14 and pore 16, pore 16 matches with filter bag escape pipe 17, the upper sealing panel 7 of housing 10 is provided with venthole 6, venthole 6 and air admission hole 14 are on same axis, the upper cover plate 4 of housing 10 is connected by central shaft 5 with bracing frame 15, housing 10 is provided with steam vent 20, steam vent 20 connects exhaust duct 1 by tube connector 3, central shaft 5 is connected with upper cover plate 4 and bracing frame 15 by axle sleeve, central shaft 5 upper ends are connected with cylinder 2, central shaft 5, venthole 6 and air admission hole 14 are coaxial, central shaft 5 is provided with valve 9 and lower valve 11, last valve 9 is corresponding with venthole 6, be provided with sealing gasket 8 between upper sealing panel 7 and the last valve 9, sealing gasket 8 is arranged on around the venthole 6, lower valve 11 is corresponding with air admission hole 14, is provided with sealing gasket 12 between lower valve 11 and the lower seal plate 13, and sealing gasket 12 is arranged on around the air admission hole 14.
In actual production process, the corresponding self-cleaning device of 19, one filter bags of a plurality of filter bags is arranged in the filter powder chamber 18.
When ordinary production, air admission hole 14 is closed, venthole 6 is opened, filter powder chamber 18 is connected with exhaust duct 1, filter bag 19 is in the filtration state, and the tail gas after filter bag 19 filters is discharged from filter bag escape pipe 17, flows to venthole 6 through pore 16 then, flow to steam vent 20 through tube connector 3 from venthole 6 then, discharge from exhaust duct 1.
Through production after a while, filter bag 19 ventilates not smooth, in the time of need clearing up filter bag 19, start one of them cylinder 2, cylinder 2 drives upwards action of central shaft 5, and venthole 6 is closed, air admission hole 14 is opened, owing to the corresponding self-cleaning device of 19, one filter bags of a plurality of filter bags is set, during in the filter powder chamber 18 therefore to one of them filter bag cleaning, other filter bag operate as normal, make in the filter bag 19 to be in negative pressure state, air flows into housing 10 from air inlet 15, enters filter bag 19 from filter bag escape pipe 17 then, filter bag 19 is carried out blowback, behind for clearance the finishing, restart cylinder 2, cylinder 2 drives central shaft 5 and moves downwards, venthole 6 is opened, air admission hole 14 is closed, and the state that returns to normal production is cleared up next filter bag then.
Be noted that, the above embodiment is to the explanation of technical solutions of the utility model and unrestricted, other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art, as long as do not exceed the thinking and the scope of technical solutions of the utility model, all should be included within the desired interest field of the utility model.
Claims (4)
1. a spray drying tower is filtered the filter bag self-cleaning device of powder chamber, it is characterized in that: it comprises housing (10), housing (10) is arranged on the drying tower filter powder chamber (18), housing (10) is arranged with bracing frame (15), the lower seal plate (13) of housing (10) is provided with air admission hole (14) and pore (16), pore (16) is corresponding with filter bag escape pipe (17), the upper sealing panel (7) of housing (10) is provided with venthole (6), venthole (6) and air admission hole (14) are on same axis, the upper cover plate (4) of housing (10) is connected by valve sets with bracing frame (15), housing (10) is provided with steam vent (20), and steam vent (20) connects exhaust duct (1) by tube connector (3).
2. the filter bag self-cleaning device of spray drying tower filter powder according to claim 1 chamber, it is characterized in that: described valve sets comprises central shaft (5), central shaft (5) flexibly connects with upper cover plate (4) and bracing frame (15), central shaft (5), venthole (6) and air admission hole (14) are coaxial, central shaft (5) is provided with valve (9) and lower valve (11), last valve (9) is corresponding with venthole (6), and lower valve (11) is corresponding with air admission hole (14).
3. the filter bag self-cleaning device of spray drying tower filter powder according to claim 1 and 2 chamber, it is characterized in that: be provided with sealing gasket (8) between described upper sealing panel (7) and the last valve (9), sealing gasket (8) is arranged on venthole (6) on every side, perhaps is arranged on the valve (9).
4. the filter bag self-cleaning device of spray drying tower filter powder according to claim 1 and 2 chamber, it is characterized in that: be provided with sealing gasket (12) between described lower valve (11) and the lower seal plate (13), sealing gasket (12) is arranged on air admission hole (14) on every side, perhaps is arranged on the lower valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201787204U CN201676613U (en) | 2010-05-05 | 2010-05-05 | Filter bag self-cleaning device of powder filtering chamber of spray drying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201787204U CN201676613U (en) | 2010-05-05 | 2010-05-05 | Filter bag self-cleaning device of powder filtering chamber of spray drying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201676613U true CN201676613U (en) | 2010-12-22 |
Family
ID=43341677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201787204U Expired - Fee Related CN201676613U (en) | 2010-05-05 | 2010-05-05 | Filter bag self-cleaning device of powder filtering chamber of spray drying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201676613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102895826A (en) * | 2012-11-19 | 2013-01-30 | 枣庄市邦众环保设备有限公司 | Reverse blowing bag type dust remover |
-
2010
- 2010-05-05 CN CN2010201787204U patent/CN201676613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102895826A (en) * | 2012-11-19 | 2013-01-30 | 枣庄市邦众环保设备有限公司 | Reverse blowing bag type dust remover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130505 |