CN210495742U - Bag-type dust collector for high-temperature flue gas - Google Patents
Bag-type dust collector for high-temperature flue gas Download PDFInfo
- Publication number
- CN210495742U CN210495742U CN201921315492.8U CN201921315492U CN210495742U CN 210495742 U CN210495742 U CN 210495742U CN 201921315492 U CN201921315492 U CN 201921315492U CN 210495742 U CN210495742 U CN 210495742U
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- China
- Prior art keywords
- air inlet
- dust collector
- flue gas
- bag
- temperature flue
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- 239000000428 dust Substances 0.000 title claims abstract description 56
- 239000003546 flue gas Substances 0.000 title claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 239000011324 bead Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a bag-type dust collector for high-temperature flue gas, which comprises a dust collector body, wherein the dust collector body is provided with an air inlet and an air outlet, the air inlet is connected with a U-shaped air inlet pipe, the bottom of the air inlet pipe is provided with a notch, and the notch is communicated with a water tank; the bottom of dust remover is the toper and forms the ash bucket, is equipped with first metal mesh and second metal mesh on the ash bucket from bottom to top, is equipped with the pivot that two levels set up in the ash bucket of first metal mesh below, is equipped with stirring vane in the pivot, and the tip of two pivots passes through gear drive to be connected, is connected with the motor on the gear. When the flue gas is through the intake pipe, under the centrifugal force effect, can clear up out the great solid particle of diameter earlier, prevent effectively that these solid particles from scalding the filter bag to the life of extension filter bag, reduction in production cost has also improved filtration efficiency simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection is removed dust, concretely relates to sack cleaner for high temperature flue gas.
Background
Along with the rapid development of economy and the acceleration of industrialization process in China, the problem of environmental pollution in China is more and more prominent, particularly, in recent years, haze weather frequently occurs in the north of China, the body health of people is seriously affected, and in order to reduce the atmospheric pollution caused by industrial production, smoke specified in China must be discharged into the atmosphere after dust removal reaches the standard.
The dust remover is a common dust removing device, can effectively reduce dust in flue gas, and therefore, is widely applied to factories. A large amount of flue gas is generated in a factory in the production process, the dust content in the flue gas is high, dust collectors widely applied at present mainly comprise a pulse dust collector, a bag-type dust collector, a cyclone dust collector, an electrostatic dust collector, a wet dust collector and the like, and the dust content in the exhaust gas can be greatly reduced after the dust collectors are filtered by the equipment.
The blast furnace can produce many high temperature flue gases at the ore refining in-process, is mingled with the higher large granule solid of some temperatures in these flue gases often, and these solids are easy to burn out the hole with the filter bag when getting into the sack cleaner, cause irreversible damage to the filter bag, in the long run, can reduce the filter effect of dust remover, shorten the life of sack cleaner. Even burning the filter bag when serious, causing fire and seriously affecting the production safety.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sack cleaner for high temperature flue gas, aim at solves the problem that exists among the above-mentioned prior art.
Therefore, the utility model adopts the following technical scheme:
a bag-type dust collector for high-temperature flue gas comprises a dust collector body, wherein an air inlet and an air outlet are formed in the dust collector body, the air inlet is connected with a U-shaped air inlet pipe, the bottom of the air inlet pipe is provided with a notch, and the notch is communicated with a water tank; the bottom of dust remover is the toper and forms the ash bucket, be equipped with first metal mesh and second metal mesh on the ash bucket from bottom to top, be equipped with the pivot that two levels set up in the ash bucket of first metal mesh below, be equipped with stirring vane in the pivot, the tip of two pivots passes through gear drive and connects, be connected with the motor on the gear.
And further, a wind shield is arranged between the air inlet and the side wall of the dust remover body.
Further, still include the liquid level pipe, the outside at dust remover body bottom is located to the liquid level pipe.
Furthermore, the diameter of the meshes of the first metal net is 2-4 mm, and the diameter of the meshes of the second metal net is 5-8 mm.
Furthermore, the notch on the air inlet pipe is arranged at the downstream of the air inlet pipe in the airflow direction.
Further, the liquid level height of water in the water tank is the same as the height of the bottom of the air inlet pipe.
Further, the bottom of the water tank is provided with a first drainage pipe.
The utility model has the advantages as follows: when the flue gas passes through the gas inlet pipe, under the action of centrifugal force, solid particles with larger diameters can be cleaned out firstly, and the solid particles are prevented from scalding and even burning the filter bag, so that the service life of the filter bag is prolonged, the production cost is reduced, and the filtering efficiency is improved; the water at the dust hopper can absorb dust falling from the filter bag, so that the dust is prevented from being blown, and the cleaning efficiency is improved.
Drawings
Fig. 1 is a side view of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
in the figure: 1-support, 2-lower box, 3-upper box, 4-air inlet, 5-air outlet, 6-filter bag, 7-blowback pipe, 8-air bag, 9-air pipe, 10-electromagnetic valve, 11-balance cavity, 12-ash bucket, 13-first metal net, 14-second metal net, 15-rotating shaft, 16-air inlet pipe, 17-notch, 18-water tank, 19-first water discharge pipe, 20-wind shield, 21-stirring blade, 22-motor, 23-liquid level pipe, 24-partition plate and 25-second water discharge pipe.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and 2, a sack cleaner for high temperature flue gas, this dust remover body includes box 3 and lower box 2, lower box 2 is fixed in on support 1, go up and communicate each other between box 3 and the lower box 2, upward be equipped with gas outlet 5 on the box 3, be equipped with air inlet 4 on the lower box 2, be connected with the intake pipe 16 of U-shaped on the air inlet 4, the bottom of intake pipe 16 is close to the breach 17 of right side department cutting oil rectangle, the bottom of this breach 17 is parallel and level with the bottom of intake pipe 16, the bottom of intake pipe 16 is connected with a water tank 18, and breach 17 is linked together with water tank 18, the bottom of water tank 18 is equipped with first drain pipe 19, the water level in the water tank 18 is parallel and level with the height of breach 17 bottom mutually.
Go up the division board 24 that is equipped with the level setting between box 3 and the lower box 2, be equipped with a plurality of filter bag mounting holes on the division board 24, equal fixedly connected with filter bag 6 on each filter bag mounting hole, the lower extreme of filter bag 6 stretches into to box 2 down in, and the position of bottom passes through the bottom plate fixed, prevents when the dust removal that filter bag 6 is waved at will. Go up and be fixed with balanced chamber 11 in the box 3, be connected with a plurality of blowback pipes 7 on the balanced chamber 11, the quantity and the position of blowback pipe 7 and each filter bag 6 one-to-one, and each blowback pipe 7 all penetrates to in the filter bag 6. The balance cavity 11 is connected with a gas pipe 9, the gas pipe 9 is sequentially connected with an electromagnetic valve 10 and a gas bag 8, the gas bag 8 is fixed at the top of the upper box body 3, and the electromagnetic valve 10 can be opened at regular time to convey high-pressure gas into the balance cavity 11 through the gas pipe 9.
One side that is close to air inlet 4 in the box 2 is equipped with vertical deep bead 20 down, and the top of deep bead 20 and division board 24's lower fixed surface are connected, and the both sides of deep bead 20 and the both sides fixed connection of box 2 down, the lower extreme of deep bead 20 is close to the bottom of box 2 down. The bottom of the lower box body 2 is conical and forms an ash bucket 12, the ash bucket 12 is provided with a first metal net 13 and a second metal net 14 from bottom to top, the peripheries of the first metal net 13 and the second metal net 14 are fixedly connected with the inner wall of the lower box body 2, the diameter of meshes of the first metal net 13 is 2-4 mm, and the diameter of meshes of the second metal net 14 is 5-8 mm. Two rotating shafts 15 which are horizontally arranged are arranged in the ash bucket 12 below the first metal net 13, stirring blades 21 are arranged on the rotating shafts 15, the end parts of the two rotating shafts 15 penetrate out of the lower box body 2 and are connected through gear transmission, and a motor 22 is connected to the gear.
The working principle of the utility model is as follows:
during the use, the flue gas collecting pipe is connected to the one end of intake pipe 16, and the aspiration pump is connected to 5 one end in gas outlet, then injects the clear water into water tank 18 through first drain pipe 19 one end for the water level just with the lower extreme parallel and level of intake pipe 16 breach 17, for the ease of observing the water level, water tank 18 can use transparent material preparation, perhaps installs the liquid level pipe on water tank 18. Then clean water is injected into the ash bucket 12 through the second water discharge pipe 25, so that the water level is equal to the height of the rotating shaft 15.
Can start the aspiration pump next and carry out the dust removal operation, the aspiration pump during operation, can produce a negative pressure in the dust remover body, the flue gas can get into intake pipe 16 under the effect of negative pressure, the flue gas is when the bottom through intake pipe 16, because there is a semicircular bend in this department, the flue gas can produce a centrifugal force here, the outer wall rapid draing of intake pipe 16 can be hugged closely to the solid particle of great density, and pass in breach 17 gets into water tank 18, because water tank 18 is airtight space, consequently, the large granule solid that gets into water tank 18 can submerge to aquatic, thereby prevent that these large granule solids from causing the damage to filter bag 6 in getting into the dust remover body.
After the flue gas gets into the dust remover body, under the effect that blocks of deep bead 20, the flue gas can be along deep bead 20 downstream, after passing deep bead 20 lower extreme, during clean gas in the flue gas passes 6 surfaces of filter bag and gets into filter bag 6, the smoke and dust in the flue gas then stops on 6 surfaces of filter bag, and clean air passes and gets into last box 3 behind the filter bag 6, then 5 discharges of rethread gas outlets.
When the electromagnetic valve 10 controls the back flushing pipe 7 to clean dust on the surface of the filter bag 6, the surface of the dust threshing filter bag 6 moves downwards, water spray stirred by the stirring blades 21 can absorb the falling dust, the dust absorption rate is improved, and the dust is prevented from being blown again by air flow after falling to the bottom of the dust collector body. The first wire mesh 13 and the second wire mesh 14 can prevent the stirring blade 21 from stirring up too large water splash to affect the normal dust removal operation.
It should be noted that the above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A bag-type dust collector for high-temperature flue gas is characterized by comprising a dust collector body, wherein an air inlet and an air outlet are arranged on the dust collector body, the air inlet is connected with a U-shaped air inlet pipe, the bottom of the air inlet pipe is provided with a notch, and the notch is communicated with a water tank; the bottom of dust remover is the toper and forms the ash bucket, be equipped with first metal mesh and second metal mesh on the ash bucket from bottom to top, be equipped with the pivot that two levels set up in the ash bucket of first metal mesh below, be equipped with stirring vane in the pivot, the tip of two pivots passes through gear drive and connects, be connected with the motor on the gear.
2. The bag-type dust collector for high-temperature flue gas according to claim 1, wherein a wind shield is arranged between the air inlet and the side wall of the dust collector body.
3. The cloth bag dust remover for high-temperature flue gas according to claim 2, further comprising a liquid level pipe, wherein the liquid level pipe is arranged on the outer side of the bottom of the dust remover body.
4. The bag-type dust collector for high-temperature flue gas according to claim 3, wherein the diameter of the meshes of the first metal net is 2-4 mm, and the diameter of the meshes of the second metal net is 5-8 mm.
5. The bag-type dust collector for high-temperature flue gas according to claim 1, wherein the notch on the air inlet pipe is arranged at the downstream of the air inlet pipe in the airflow direction.
6. The bag-type dust collector for high-temperature flue gas according to claim 1, wherein the liquid level of water in the water tank is the same as the bottom of the air inlet pipe.
7. The bag-type dust collector for high-temperature flue gas according to claim 5, wherein the bottom of the water tank is provided with a first drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921315492.8U CN210495742U (en) | 2019-08-14 | 2019-08-14 | Bag-type dust collector for high-temperature flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921315492.8U CN210495742U (en) | 2019-08-14 | 2019-08-14 | Bag-type dust collector for high-temperature flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210495742U true CN210495742U (en) | 2020-05-12 |
Family
ID=70589177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921315492.8U Active CN210495742U (en) | 2019-08-14 | 2019-08-14 | Bag-type dust collector for high-temperature flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210495742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877319A (en) * | 2021-09-18 | 2022-01-04 | 田震 | Pulse type bag dust collector |
-
2019
- 2019-08-14 CN CN201921315492.8U patent/CN210495742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877319A (en) * | 2021-09-18 | 2022-01-04 | 田震 | Pulse type bag dust collector |
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