CN218740802U - Pulse bag type dust collector - Google Patents
Pulse bag type dust collector Download PDFInfo
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- CN218740802U CN218740802U CN202223012045.XU CN202223012045U CN218740802U CN 218740802 U CN218740802 U CN 218740802U CN 202223012045 U CN202223012045 U CN 202223012045U CN 218740802 U CN218740802 U CN 218740802U
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Abstract
The utility model discloses a pulse bag type dust collector, which comprises a dust collector main body and a supporting column fixedly connected to the lower end of the dust collector main body, wherein the outer surface of the dust collector main body is fixedly connected with a crawling ladder; the dust collector main body is sequentially provided with an air purifying chamber, a filter bag chamber and a dust hopper from top to bottom, the air purifying chamber is provided with a dust and air inlet, and an air outlet pipe of the air purifying chamber is communicated with a plurality of air guide pipes facing the filter bags in the filter bag chamber; the upper end of the air purifying chamber is also provided with an air outlet, the ash bucket is communicated with the middle space of the filter bag, the filter bag chamber is provided with an opening communicated with the air purifying chamber, and the air outlet is arranged above the opening; the back-blowing pipe of the back-blowing fan is communicated with the inner space of the filter bag, the back-blowing pipe is provided with a pulse valve, the interior of the filter bag chamber is provided with a pulse generator positioned above the filter bag, and the pulse generator is electrically connected with the pulse valve. The utility model discloses a many settings towards the guide duct of filter bag in the filter bag room avoid among the prior art dirt gas mainly to the local area of filter bag.
Description
Technical Field
The utility model relates to a pulse bag type dust collector.
Background
The pulse bag type dust collector is a dust collection device developed in the 60 s of the 20 th century, has been popularized in a large area in the 70 s, and particularly has application in the industries such as metallurgy, chemical engineering, machinery, building materials, ore and the like, the pulse bag type dust collector filters dust-containing gas by utilizing the filtering action of fiber fabrics, after a long time, dust is accumulated on the surface of a filter material, the resistance of the dust collector is increased, the air volume of a dust collection system is obviously reduced due to overhigh resistance, and the dust collector needs to be cleaned in time when the resistance of the dust collector reaches a certain value. The air box pulse bag type dust collector integrates the advantages of various dust collectors such as chamber back blowing and pulse blowing, and overcomes the defects of insufficient kinetic energy intensity and simultaneous filtration and dust removal during chamber back blowing, thereby increasing the use adaptability of the bag type dust collector and improving the dust collection efficiency. The resistance of the existing pulse bag type dust collector generally reaches a high value after being used for a short time, so that dust needs to be removed, the dust removal frequency is high, the energy consumption is high, the dust in the whole device is accumulated on the surface of a filter material to different degrees, the dust removal is not targeted, and the prior art has no literature focusing on the problem. Patent publication No. CN 216125331U: a pulse bag collector facilitating cleaning of a filter bag, comprising: the pulse bag type dust collector is of a hollow structure with four closed walls, a plurality of filter bags are fixed inside the pulse bag type dust collector, a cleaning column assembly is arranged on the outer side of each filter bag, and the bottom of the pulse bag type dust collector is clamped with the sliding wastewater treatment box; slip waste water treatment box, slip waste water treatment box includes box and pulley, the bottom of box is fixed with the pulley, the outer wall of box one side is provided with the buckle lock, the outer wall that the box is provided with buckle lock one side is fixed with the handle, the buckle lock is assembled and is used for restricting the box to be located the station of pulse bag dust collector bottom. It solves the problem that the filter bag can be cleaned in time after each dust removal. Patent publication No. CN 217068076U: the utility model provides a pulse bag collector, including gas tank pulse bag collector body, there is the case lid upper end of gas tank pulse bag collector body through hinge movable mounting, the lower part fixed mounting of gas tank pulse bag collector body has the mount, the equal fixed welding in lower extreme four corners of mount has the supporting leg, this internal upper portion opposition end of gas tank pulse bag collector has all opened T type spout, common slidable mounting has dust removal mechanism between two T type spouts, dust removal mechanism includes bottom sprag frame and top locating plate, demountable installation has a plurality of filter bag cages between top locating plate and the bottom sprag frame. It solves the problems of filter bag replacement and convenient disassembly and assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a pulse bag collector, through many towards the setting of the guide duct of filter bag in the filter bag room, avoid among the prior art dirt gas mainly towards the local area of filter bag, can avoid the local area first-out dust particle gathering of filter bag and lead to the problem that system resistance risees.
In order to achieve the purpose, the technical scheme of the utility model is to design a pulse bag type dust collector, which comprises a dust collector main body and a support column fixedly connected to the lower end of the dust collector main body, wherein the outer surface of the dust collector main body is fixedly connected with a crawling ladder;
the dust collector main body is sequentially provided with an air purifying chamber, a filter bag chamber and a dust hopper from top to bottom, the air purifying chamber is provided with a dust and air inlet, and an air outlet pipe of the air purifying chamber is communicated with a plurality of air guide pipes facing the filter bags in the filter bag chamber;
the upper end of the air purifying chamber is also provided with an air outlet, the ash bucket is communicated with the middle space of the filter bag, the filter bag chamber is provided with an opening communicated with the air purifying chamber, and the air outlet is arranged above the opening; the back-blowing pipe of the back-blowing fan is communicated with the inner space of the filter bag, the back-blowing pipe is provided with a pulse valve, the interior of the filter bag chamber is provided with a pulse generator positioned above the filter bag, and the pulse generator is electrically connected with the pulse valve. Through the arrangement of the plurality of air guide pipes facing the filter bags in the filter bag chamber, the problem that dust and gas mainly face the local area of the filter bag in the prior art and the problem that the system resistance is increased due to the fact that dust particles are gathered in the local area of the filter bag can be avoided.
The further technical proposal is that the air guide pipes are uniformly arranged at equal intervals and cover all the filtering surfaces of the whole filter bag. The plurality of air guide pipes are arranged in a rectangular array, and the plurality of air guide pipes are uniformly arrangedThe pipe openings cover all the filtering surfaces of each filter bag from top to bottom from left to right, so that the problem that the system resistance is increased due to the fact that dust particles are gathered in a local area of each filter bag is solved. The resistance of the dust collector structure cannot be too high too early, and the service life of the filter bag is fully prolonged. Even because the filter bag receives dust and gas uniformly, the filtering area is increased relatively, the effective power of the original back-blowing fan can be saved, or the processing air quantity is increased, the emission mass concentration of the general smoke and dust is less than 10mg/m 3 。
The further technical proposal is that the filter bag in the filter bag chamber is obliquely arranged with the weight line; the filter cloth in the filter bag is made of high-temperature-resistant glass fiber materials. The filter bag inclines with admitting air, and the buffering is admitted air and is to the impact of filter bag, increases the life of filter bag to can also alleviate the chaotic problem of internal flow field to a certain extent after so designing, increase dust collection efficiency.
The further technical proposal is that the air guide pipe is horizontally arranged.
The other technical scheme is that a filter bag in a filter bag chamber is vertically arranged, filter cloth in the filter bag is made of high-temperature-resistant glass fiber materials, and a rotation axis of the air guide pipe is obliquely arranged with a horizontal line.
The further technical proposal is that the back flushing pipe comprises a rigid pipe positioned at the lower end and a hose with one end fixedly connected with the rigid pipe in a sealing way;
and the air cylinder is fixedly arranged on a hanging frame at the upper end of the filter bag in the filter bag chamber, and the exposed end of a piston rod of the air cylinder is fixedly connected to the outer pipe wall of the hose. Through setting up the form of blowback pipe middle section into the hose, can be convenient for the lift of blowback pipe in order to deal with the region that dust particle gathers more in its filtering surface of filter bag (though the setting through the guide duct of equipartition, the condition that dust particle gathered appears in the local region on the filtering surface of filter bag can be reduced by a wide margin, the dust gas that still exists the admission still reaches the dust particle content different condition in the dust gas in the different filtering bag regions that arouse because the effect of air current distribution, deep bead, swash plate etc. leads to when reaching the filter bag for the blowback is more pertinent, also can reduce the energy consumption.
The utility model has the advantages and the beneficial effects that: through the arrangement of the plurality of air guide pipes facing the filter bags in the filter bag chamber, the problem that dust and gas mainly face the local area of the filter bag in the prior art and the problem that the system resistance is increased due to the fact that dust particles are gathered in the local area of the filter bag can be avoided.
The air guide pipes are arranged in a rectangular array, and after the air guide pipes are uniformly arranged, the pipe orifices of the air guide pipes cover all filtering surfaces of each filter bag from top to bottom from left to right, so that the problem that the system resistance is increased due to the fact that dust particles are gathered in local areas of the filter bags firstly can be solved. The resistance of the dust collector structure cannot be too high too early, and the service life of the filter bag is fully prolonged. Even because the filter bag receives dust and gas evenly, so relatively the filter area is increased, the effective power of the original back-blowing fan can be saved, or the processing air quantity is increased, and the emission mass concentration of the general smoke and dust is less than 10mg/m < 3 >.
The filter bag inclines with admitting air, and the buffering is admitted air to the impact of filter bag, increases the life of filter bag to can also alleviate the chaotic problem of internal flow field to a certain extent after so designing, increase dust collection efficiency.
Through setting up the form of blowback pipe middle section into the hose, can be convenient for the lift of blowback pipe in order to deal with the region that dust particle gathers more in its filtering surface of filter bag (though the setting through the guide duct of equipartition, the condition that dust particle gathered appears in the local region on the filtering surface of filter bag can be reduced by a wide margin, the dust gas that still exists the admission still reaches the dust particle content different condition in the dust gas in the different filtering bag regions that arouse because the effect of air current distribution, deep bead, swash plate etc. leads to when reaching the filter bag for the blowback is more pertinent, also can reduce the energy consumption.
Drawings
FIG. 1 is a schematic view of a pulse bag type dust collector of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a perspective view of a filter bag chamber portion of FIG. 2;
FIG. 4 is an enlarged view of the blowback fan and its connection parts of FIG. 3.
In the figure: 1. a dust collector main body; 2. a support pillar; 3. climbing a ladder; 4. a bag filtering chamber; 5. an ash hopper; 6. an air inlet; 7. an air guide pipe; 8. an air outlet; 9. an opening; 10. a back-blowing fan; 11. a blowback pipe; 12. a pulse valve; 13. and a cylinder.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4 (for convenience of illustration, a component connected with a blowback fan is not shown in fig. 3), the utility model relates to a pulse bag type dust collector, which comprises a dust collector main body 1 and a support column 2 fixedly connected to the lower end of the dust collector main body 1, wherein the outer surface of the dust collector main body 1 is fixedly connected with a ladder stand 3; the dust collector main body 1 is sequentially provided with an air purifying chamber, a filter bag chamber 4 and a dust hopper 5 from top to bottom, the air purifying chamber is provided with a dust and air inlet 6, and an air outlet pipe of the air purifying chamber is communicated with a plurality of air guide pipes 7 facing the filter bags in the filter bag chamber 4; the upper end of the air purifying chamber is also provided with an air outlet 8, the ash hopper 5 is communicated with the middle space of the filter bag, the filter bag chamber 4 is provided with an opening 9 communicated with the air purifying chamber, and the air outlet 8 is arranged above the opening 9; a back-flushing pipe 11 of the back-flushing fan 10 is communicated with the inner space of the filter bag, a pulse valve 12 is arranged on the back-flushing pipe 11, a pulse generator positioned above the filter bag is arranged in the filter bag chamber 4, and the pulse generator is electrically connected with the pulse valve 12. The air guide pipes 7 are uniformly arranged at equal intervals, and the air guide pipes 7 cover the whole filtering surface of the whole filter bag. The filter bag in the filter bag chamber 4 is obliquely arranged with the weight line; the filter cloth in the filter bag is made of high-temperature-resistant glass fiber materials. The air guide pipe 7 is horizontally arranged. The back flushing pipe 11 comprises a rigid pipe positioned at the lower end and a hose with one end fixedly connected with the rigid pipe in a sealing way; an air cylinder 13 is fixedly arranged on a hanging frame at the upper end of the filter bag in the filter bag chamber 4, and the exposed end of a piston rod of the air cylinder 13 is fixedly connected to the outer pipe wall of the hose.
The working principle is as follows:
dust gas enters from an air inlet 6 on the air purifying chamber (an air inlet pipe connected with the air inlet is arranged in the air purifying chamber, the air inlet pipe is communicated with an air outlet pipe, the circulation of the air inlet in the pipe is ensured until the dust gas reaches a filter bag, the dust gas enters into each air guide pipe 7 through the air outlet pipe of the air purifying chamber and is finally filtered by the filter bag on the filter bag chamber 4, and the filtered clean gas reaches the air purifying chamber through an opening 9 and then is discharged from an air outlet 8 at the upper end of the air purifying chamber. And when in back blowing, the back blowing fan is started, the pulse valve is opened to blow, and dust particles blocked outside the filter bag fall into the dust bin under the action of pulse airflow, so that the dust and dust separation is finally realized.
Through the baroceptor that the outside set up in the filter bag, according to the pressure differential of the filter bag both sides of different height department, start the cylinder and drive the blowback pipe and carry out the blowback of filter bag to the region that pressure differential is big preferentially, it is more pointed to blowback frequency can reduce, and the blowback region can reduce, has reduced the energy consumption.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A pulse bag type dust collector is characterized by comprising a dust collector main body and a supporting column fixedly connected to the lower end of the dust collector main body, wherein a crawling ladder is fixedly connected to the outer surface of the dust collector main body;
the dust collector main body is sequentially provided with an air purifying chamber, a filter bag chamber and a dust hopper from top to bottom, the air purifying chamber is provided with a dust and air inlet, and an air outlet pipe of the air purifying chamber is communicated with a plurality of air guide pipes facing the filter bags in the filter bag chamber;
the upper end of the air purifying chamber is also provided with an air outlet, the ash bucket is communicated with the middle space of the filter bag, the filter bag chamber is provided with an opening communicated with the air purifying chamber, and the air outlet is arranged above the opening; the back-blowing pipe of the back-blowing fan is communicated with the inner space of the filter bag, the back-blowing pipe is provided with a pulse valve, the interior of the filter bag chamber is provided with a pulse generator positioned above the filter bag, and the pulse generator is electrically connected with the pulse valve.
2. The pulse bag dust collector as claimed in claim 1, wherein the air ducts are uniformly arranged at equal intervals and cover the whole filtering surface of the filter bag.
3. The pulse bag dust collector as claimed in claim 1 or 2, wherein the filter bag in the filter bag chamber is disposed obliquely to the weight line; the filter cloth in the filter bag is made of high-temperature-resistant glass fiber materials.
4. The pulse bag collector according to claim 3, wherein said air duct is horizontally disposed.
5. The pulse bag collector as claimed in claim 1 or 2, wherein the filter bag in the filter bag chamber is arranged vertically, the filter cloth in the filter bag chamber is made of high temperature resistant glass fiber material, and the rotation axis of the air duct is arranged obliquely to the horizontal line.
6. The pulse bag collector as claimed in claim 5, wherein said blowback pipe comprises a rigid pipe at a lower end and a flexible pipe having one end sealingly and fixedly connected to the rigid pipe;
and an air cylinder is fixedly arranged on a hanging frame at the upper end of the filter bag in the filter bag chamber, and the exposed end of a piston rod of the air cylinder is fixedly connected to the outer pipe wall of the hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223012045.XU CN218740802U (en) | 2022-11-14 | 2022-11-14 | Pulse bag type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223012045.XU CN218740802U (en) | 2022-11-14 | 2022-11-14 | Pulse bag type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218740802U true CN218740802U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223012045.XU Active CN218740802U (en) | 2022-11-14 | 2022-11-14 | Pulse bag type dust collector |
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| Country | Link |
|---|---|
| CN (1) | CN218740802U (en) |
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- 2022-11-14 CN CN202223012045.XU patent/CN218740802U/en active Active
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