CN213527809U - Bag-type dust collector with fire retardant function - Google Patents
Bag-type dust collector with fire retardant function Download PDFInfo
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- CN213527809U CN213527809U CN202021286949.XU CN202021286949U CN213527809U CN 213527809 U CN213527809 U CN 213527809U CN 202021286949 U CN202021286949 U CN 202021286949U CN 213527809 U CN213527809 U CN 213527809U
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- fire retardant
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- box body
- fire
- dust collector
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Abstract
The utility model discloses a bag-type dust collector with fire retardant function, which comprises a box body, an induced draft fan, a blowing unit and a fire retardant mechanism, wherein the upper part and the lower part in the box body are respectively an air purifying chamber and a filter bag chamber, the induced draft fan and the blowing unit are respectively arranged on two sides of the upper part of the box body and are communicated with the air purifying chamber, and the bottom of the box body is connected with an ash bin through a connecting flange; and a fire retardant mechanism is arranged between the filter bag chamber and the connecting flange in the box body and is used for extinguishing dust mixed with sparks and reducing the temperature of flue gas. The utility model discloses a back-fire relief mechanism is at the rising in-process of dusty flue gas, makes the spark that probably mix with in the smoke and dust extinguish, and extension rise time reduces the flue gas temperature, with the naked light separation, prevents to directly adsorb to the filter bag on, leads to the filter bag to burn out, reduces because the cost-push of filter bag damage, the life of extension filter bag.
Description
Technical Field
The utility model belongs to the technical field of the dust remover, concretely relates to sack cleaner with back-fire relief effect.
Background
The bag at the top of the coarse dust bin and the bag at the top of the fine dust bin in the dry-method primary dust removal system ensure that the internal and external pressures of the dust bin are balanced in the dust discharging process in the system operation, dust-containing gas enters the filter bag chamber from the flange ports of the dust bin and the box body of the bag-type dust remover, the dust-containing gas is filtered by the filter bag to be clean gas, enters the air purifying chamber, then passes through the exhaust port of the air purifying chamber and is discharged by the fan, and the emission is ensured to reach the standard.
Due to the fact that the dust in the coarse dust bin and the fine dust bin has over-high temperature and even has the existence of sparks, when the dust is discharged into the dust bin by the dust conveying system, the fly ash is possibly mixed with the sparks, the bag on the top of the bin is very easy to suck the dust with the sparks onto the filter bag under the action of the draught fan, the filter bag is burnt after long-time operation, and accordingly the dust discharging is not smooth and even the production is stopped.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a bag-type dust collector with fire retardant function.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a sack cleaner with back-fire relief effect, including box, draught fan, jetting unit, back-fire relief mechanism, the upper and lower part is air-purifying chamber and filter bag room respectively in the box, draught fan, jetting unit set up in the both sides of box upper portion respectively and with the air-purifying chamber intercommunication, the bottom of box is connected with the ash bin through flange; and a fire retardant mechanism is arranged between the filter bag chamber and the connecting flange in the box body and is used for extinguishing dust mixed with sparks and reducing the temperature of flue gas.
In the above scheme, fire relief mechanism includes the fire baffle, the slope staggered arrangement about the fire baffle is in the box to each side sets up two at least, forms crisscross ascending passageway through the fire baffle of slope staggered arrangement about.
In the above scheme, still include nitrogen gas cooling subassembly, nitrogen gas cooling subassembly sets up in the left and right sides of box and towards crisscross ascending channel for carry out nitrogen gas jetting to the dust.
In the above scheme, nitrogen gas cooling subassembly includes nozzle, nitrogen gas joint, nitrogen gas air feed source passes through nitrogen gas joint and nozzle intercommunication, the nozzle sets up the lateral wall in the box left and right sides and is located crisscross ascending channel's end.
In the scheme, the fire baffle is obliquely arranged at an angle of 30-60 degrees.
In the scheme, holes are formed in the fire baffle plate at the upper position and the lower position of the single side in a staggered mode.
In the scheme, the fire-retardant device further comprises a secondary fire-retardant mechanism, and the secondary fire-retardant mechanism is arranged in the box body and is positioned between the fire-retardant mechanism and the connecting flange.
In the above scheme, the secondary fire-retardant mechanism comprises two rotary blades which are arranged and overlapped up and down.
In the scheme, an observation window is arranged on one side of the lower part of the box body, which is positioned on the fire retardant mechanism and the secondary fire retardant mechanism.
Compared with the prior art, the utility model discloses a back-fire relief mechanism makes probably the spark that is mingled with extinguish in the smoke and dust at the dusty flue gas in-process that rises, and extension rise time reduces the flue gas temperature, with the naked light separation, prevents directly to adsorb to the filter bag on, leads to the filter bag to burn out, reduces because the cost-push that the filter bag destroys, the life of extension filter bag.
Drawings
FIG. 1 is a schematic structural view of a bag-type dust collector with fire retardant function provided by the embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a schematic structural view of a secondary fire retardant mechanism in a bag-type dust collector with a fire retardant function provided by the embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a sack cleaner with back-fire relief effect, as shown in fig. 1-3, including box 1, draught fan 2, jetting unit 3, back-fire relief mechanism 4, the upper and lower part is air-purifying chamber 11 and filter bag room 12 respectively in the box 1, draught fan 2, jetting unit 3 set up in the both sides of box 1 upper portion respectively and with air-purifying chamber 11 intercommunication, the bottom of box 1 is connected with the ash bin through flange 13; lie in position between filter bag room 12 and the flange 13 in box 1 sets up back-fire relief mechanism 4 and is used for extinguishing the dust that is mingled with the spark and reduces the gas temperature, like this, before dust-laden flue gas gets into air-purifying chamber 11 from the ash bin, back-fire relief mechanism 4 through filter bag room 12 lower part setting, at the dust-laden flue gas in-process that rises, the spark that probably is mingled with in the messenger's smoke and dust is extinguished, extension rise time reduces gas temperature, will open fire separation, prevent direct absorption to the filter bag on, lead to the filter bag to burn out, reduce because the cost increase of filter bag damage, the life of extension filter bag.
The fire retardant mechanism 4 comprises fire baffles 41, the fire baffles 41 are obliquely and staggered left and right in the box body 1, at least two fire baffles are arranged on each side, and staggered ascending channels are formed by the fire baffles 41 obliquely and staggered left and right.
Before the dust-containing flue gas enters the air purifying chamber 11, the dust-containing flue gas forms a staggered ascending path through the fire baffle plate 41 arranged at the lower part of the filter bag chamber 12, and in the staggered ascending process, the flue gas continuously impacts the fire baffle plate 41 to extinguish sparks possibly mixed in the flue gas.
Further, still include nitrogen gas cooling assembly 42, nitrogen gas cooling assembly 42 sets up in the left and right sides of box 1 and faces crisscross uptake passageway for carry out nitrogen gas to the dust and spout.
The nitrogen cooling assembly 42 comprises a nozzle 421, a nitrogen connector 422 and a nitrogen supply source, wherein the nitrogen supply source is communicated with the nozzle 421 through the nitrogen connector 422, and the nozzle 421 is arranged on the side walls of the left side and the right side of the box body 1 and is positioned at the tail end of the staggered ascending channel.
Before the dust-containing flue gas enters the air purifying chamber 11, the fire baffle plate 41 arranged at the lower part of the filter bag chamber 12 enables the dust-containing flue gas to form a staggered ascending path, the nitrogen valve is opened at the same time, when the flue gas rises in a staggered mode, the fire baffle plate 41 is continuously impacted by the flue gas, sparks possibly mixed in the flue gas are extinguished, meanwhile, nitrogen is sprayed out through the nozzle 421 to cool the dust-containing flue gas, and the sparks are extinguished before entering the filter bag chamber 12 and the temperature of the flue gas is reduced.
The fire baffle 41 is arranged at an inclination of 30-60 deg..
The fire baffle plate 41 at the upper and lower positions on one side is provided with staggered holes for reducing the resistance of the equipment.
Further, the utility model discloses still include secondary back-fire relief mechanism 5, secondary back-fire relief mechanism 5 sets up in box 1 and is located between back-fire relief mechanism 4 and flange 13.
The secondary firestop mechanism 5 comprises two rotary blades 51, the rotary blades 51 being arranged one above the other.
After entering the bottom of the box body 1, the dust-containing flue gas firstly passes through the secondary fire retardant mechanism 5, the dust is guided by the rotating blades 51 to collide and be blocked, and part of dust with sparks is hung on the rotating blades 51 to play a role in extinguishing sparks; the rest dust-containing smoke enters the fire retardant mechanism 4 for fire retardant and temperature reduction again so as to ensure that the smoke entering the filter bag does not contain sparks.
An observation window 14 is arranged at one side of the fire retardant mechanism 4 and the secondary fire retardant mechanism 5 at the lower part of the box body 1.
The condition of the dust-laden flue gas can be checked during operation of the apparatus through the observation window 14. And the filter bag is prevented from being burnt down according to whether the machine is stopped or measures are taken.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. A bag-type dust collector with a fire retardant function is characterized by comprising a box body, an induced draft fan, a blowing unit and a fire retardant mechanism, wherein the upper part and the lower part in the box body are respectively an air purifying chamber and a filter bag chamber; and a fire retardant mechanism is arranged between the filter bag chamber and the connecting flange in the box body and is used for extinguishing dust mixed with sparks and reducing the temperature of flue gas.
2. The bag-type dust collector with fire retardant function as claimed in claim 1, wherein the fire retardant mechanism comprises fire baffles which are obliquely and alternately arranged left and right in the box body, and at least two fire baffles are arranged on each side, and staggered ascending channels are formed by the fire baffles which are obliquely and alternately arranged left and right.
3. The bag-type dust collector with fire retardant function as claimed in claim 2, further comprising nitrogen cooling components disposed at left and right sides of the box body and facing the staggered ascending channels for blowing nitrogen to dust.
4. The bag-type dust collector with fire retardant function as claimed in claim 3, wherein the nitrogen cooling assembly comprises nozzles, nitrogen connectors, and a nitrogen supply source, the nitrogen supply source is communicated with the nozzles through the nitrogen connectors, and the nozzles are arranged on the side walls of the left and right sides of the box body and are positioned at the tail ends of the staggered ascending channels.
5. The bag-type dust collector with fire retardant function as claimed in claim 4, wherein the fire damper is inclined at 30-60 °.
6. The bag-type dust collector with fire retardant function as claimed in claim 5, wherein the fire baffle at the upper and lower positions on one side is provided with staggered openings.
7. The bag-type dust collector with fire retardant function of any one of claims 1 to 6, further comprising a secondary fire retardant mechanism, wherein the secondary fire retardant mechanism is arranged in the box body and is positioned between the fire retardant mechanism and the connecting flange.
8. The bag-type dust collector with fire retardant function as claimed in claim 7, wherein the secondary fire retardant mechanism comprises two rotary blades which are arranged on top of each other.
9. The bag-type dust collector with fire retardant function as claimed in claim 8, wherein the lower part of the box body is provided with an observation window at one side of the fire retardant mechanism and the secondary fire retardant mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021286949.XU CN213527809U (en) | 2020-07-03 | 2020-07-03 | Bag-type dust collector with fire retardant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021286949.XU CN213527809U (en) | 2020-07-03 | 2020-07-03 | Bag-type dust collector with fire retardant function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213527809U true CN213527809U (en) | 2021-06-25 |
Family
ID=76475819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021286949.XU Active CN213527809U (en) | 2020-07-03 | 2020-07-03 | Bag-type dust collector with fire retardant function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213527809U (en) |
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2020
- 2020-07-03 CN CN202021286949.XU patent/CN213527809U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710075 7th floor, block B, Huajing Plaza, 20 Fenghui South Road, Yanta District, Xi'an City, Shaanxi Province Patentee after: Xi'an Longjing Environmental Protection Technology Co.,Ltd. Address before: 710075 7th floor, block B, Huajing Plaza, 20 Fenghui South Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: XI'AN XIKUANG ENVIRONMENTAL PROTECTION Co.,Ltd. |