CN214130741U - Cloth bag dust removal equipment with pressure equalizing mechanism - Google Patents
Cloth bag dust removal equipment with pressure equalizing mechanism Download PDFInfo
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- CN214130741U CN214130741U CN202021799800.1U CN202021799800U CN214130741U CN 214130741 U CN214130741 U CN 214130741U CN 202021799800 U CN202021799800 U CN 202021799800U CN 214130741 U CN214130741 U CN 214130741U
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Abstract
The utility model provides a sack dust collecting equipment with uniform pressure mechanism belongs to dust collecting equipment's technical field. The dust removal device comprises a plurality of dust removal box bodies, an air inlet mechanism, an ash falling mechanism and a clean gas pipe which are arranged side by side, wherein a plurality of dust removal cloth bags are arranged in the dust removal box bodies; the dust removal box comprises a dust removal box body, and is characterized in that the air inlet mechanism is communicated with the bottom of the dust removal box body, an ash falling pipe is connected to the lower portion of the dust removal box body, the ash falling pipe is communicated with the ash falling mechanism, a pressure release valve is arranged at the top of the dust removal box body, a butterfly valve and a blind plate valve are arranged on the air outlet pipe, and a pressure equalizing mechanism is arranged between the dust removal box bodies. The utility model discloses a pressure-equalizing device can utilize the coal gas of adjacent box, carries out the pressure-equalizing to the empty case that will throw usefulness, makes empty case butterfly valve both sides ground pressure balanced to reach the purpose that the butterfly valve normally opened.
Description
Technical Field
The utility model belongs to the technical field of dust collecting equipment, especially, relate to a sack dust collecting equipment with uniform pressure mechanism.
Background
The bag-type dust collector is a dry dust collector, which is suitable for collecting fine and dry non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, and the dust-containing gas is filtered by utilizing the filtering action of the fiber fabric. When the dust-containing gas enters the bag-type dust collector, the dust with large particles and large specific gravity is settled under the action of gravity and falls into the dust hopper, and the dust is blocked when the gas containing fine dust passes through the filter material, so that the gas is purified. It is widely used in steel mills. The commonly used bag-type dust collector is provided with a plurality of filter box bodies, a plurality of bags are arranged in each filter box body, the aging or damage of the bags sometimes happens, and the bag-type dust collector needs to be overhauled irregularly. After the repair or replacement of new components, the filter housing needs to be reinstalled. The butterfly valves communicated with the clean gas pipeline and the crude gas pipeline need to be closed, the diameters of the butterfly valves are about 1000mm generally, and when the box body is not used for air pressure, the phenomenon that the valve cannot be normally opened can occur due to overhigh pressure difference between two sides of the valve.
Disclosure of Invention
The utility model provides a sack dust collecting equipment with uniform pressure mechanism, its pressure that can the balanced valve both sides, the butterfly valve of being convenient for is opened.
The utility model solves the technical problem through the following technical scheme
A cloth bag dust removing device with a pressure equalizing mechanism comprises a plurality of dust removing box bodies, an air inlet mechanism, an ash falling mechanism and a clean gas pipe which are arranged side by side, wherein a plurality of dust removing cloth bags are arranged in the dust removing box bodies, an air outlet pipe is arranged at the top of each box body, and the air outlet pipe is communicated with the dust removing box bodies and the clean gas pipe; the dust removal box comprises a dust removal box body, and is characterized in that the air inlet mechanism is communicated with the bottom of the dust removal box body, an ash falling pipe is connected to the lower portion of the dust removal box body, the ash falling pipe is communicated with the ash falling mechanism, a pressure release valve is arranged at the top of the dust removal box body, a butterfly valve and a blind plate valve are arranged on the air outlet pipe, and a pressure equalizing mechanism is arranged between the dust removal box bodies.
The above-mentioned sack dust collecting equipment with pressure equalizing mechanism, pressure equalizing mechanism includes connecting pipe and valve, is connected with the equalizer tube on the lateral wall of outlet duct, is equipped with on-off switch on the equalizer tube, the both ends of connecting pipe communicate with the equalizer tube on two adjacent outlet ducts respectively, the connecting pipe is connected for dismantling with the equalizer tube.
The above-mentioned sack dust collecting equipment with pressure equalizing mechanism, the both ends and the pressure equalizing pipe of connecting pipe pass through the connecting piece and are connected, the connecting piece includes first ring flange, second ring flange, intubate and sealing washer, and the intubate overcoat has the sealing washer of taking the chamfer, and the both sides of first ring flange are connected respectively the connecting pipe with the intubate, second ring flange rigid coupling are on the pressure equalizing pipe, the pressure equalizing pipe is inserted to the intubate, and the bore phase-match of pressure equalizing pipe and intubate, first ring flange pass through bolted connection with the second ring flange and are in the same place, and first ring flange is pressed the chamfer side of sealing washer on the mouth of pipe of pressure equalizing pipe.
In the cloth bag dust removing equipment with the pressure equalizing mechanism, the valve on the connecting pipe is a ball valve, and the connecting pipe is a metal hose.
Above-mentioned sack dust collecting equipment with pressure equalizing mechanism, the pipe diameter of outlet duct is 1000mm, the connecting pipe is 65 mm.
Compared with the prior art, the utility model discloses a pressure equalizing device can utilize the coal gas of adjacent box, carries out the pressure equalizing to the empty case that will put into use, makes empty case butterfly valve both sides ground pressure balanced to reach the purpose that the butterfly valve normally opened, reduceed the impact of coal gas to equipment promptly, guaranteed the normal use of valve again, prolong the life of equipment. The insertion tube of the connecting piece is convenient for butt joint and installation of the metal hose and the pressure equalizing pipe orifice, the metal hose can be detached after the connecting piece is not used, and the connecting piece is convenient and fast to use. The utility model discloses remove the inconvenience of establishing voltage-sharing equipment and voltage-sharing air supply in addition from, dismantle simply.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the connector of the present invention;
reference numerals in the drawings denote: 1. the dust removal device comprises a dust removal box body, a gas inlet mechanism 2, an ash falling mechanism 3, a clean gas pipe 4, a gas outlet pipe 5, an ash falling pipe 6, a pressure release valve 7, a connecting pipe 8, a pressure equalizing pipe 9, a first flange plate 10, a second flange plate 11, an insertion pipe 12, a sealing ring 13, a ball valve 14, a butterfly valve 15 and a blind plate valve 16.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention.
Referring to the attached figure 1, the dust removal device comprises a plurality of dust removal box bodies 1, an air inlet mechanism 2, an ash falling mechanism 3 and a clean gas pipeline 4 which are arranged side by side, wherein a plurality of dust removal cloth bags are arranged in each dust removal box body 1, an air outlet pipe 5 is arranged at the top of each box body, and the air outlet pipe 5 is communicated with the dust removal box bodies 1 and the clean gas pipeline 4; the dust removal device comprises a dust removal box body 1, an air inlet mechanism 2, a dust falling pipe 6, a pressure release valve 7, a butterfly valve and a blind plate valve, wherein the dust inlet mechanism 2 is communicated with the bottom of the dust removal box body 1, the dust falling pipe 6 is connected with the lower portion of the dust removal box body 1, the dust falling pipe 6 is communicated with the dust falling mechanism 3, the top of the dust removal box body 1 is provided with the pressure release valve 7, the air outlet pipe 5 is provided with the butterfly valve and the blind plate valve, and a pressure equalizing mechanism is arranged between the dust removal box bodies 1. Through the arrangement, the flue gas enters the dust removal box body 1 through the gas inlet mechanism 2, is filtered and dedusted by the dust removal cloth bag, and then enters the clean gas pipeline 4. When the dust removal box body 1 is overhauled, in order to prevent gas leakage, the butterfly valve and the blind plate valve are closed, and double-layer sealing is carried out to prevent gas leakage.
In order to open the butterfly valve conveniently, the pressure equalizing mechanism comprises a connecting pipe 8 and a valve, a pressure equalizing pipe 9 is connected to the side wall of each air outlet pipe 5, an opening and closing switch is arranged on each pressure equalizing pipe 9, two ends of each connecting pipe 8 are respectively communicated with the pressure equalizing pipes 9 on the two adjacent air outlet pipes 5, and the connecting pipes 8 are detachably connected with the pressure equalizing pipes 9. Preferably, the valve on the connecting pipe 8 is a ball valve 14, and the connecting pipe 8 is a metal hose for easy flexibility of installation and removal. In practical implementation items, the pipe diameter of the air outlet pipe 5 is 1000mm, and the connecting pipe 8 is 65 mm.
Referring to the attached drawing 2, two ends of the connecting pipe 8 are connected with the pressure equalizing pipe 9 through a connecting piece, the connecting piece comprises a first flange plate 10, a second flange plate 11, an insertion pipe 12 and a sealing ring 13, the insertion pipe 12 is externally sleeved with the sealing ring 13 with a chamfer, two sides of the first flange plate 10 are respectively connected with the connecting pipe 8 and the insertion pipe 12, the second flange plate 11 is fixedly connected on the pressure equalizing pipe 9, the insertion pipe 12 is inserted into the pressure equalizing pipe 9, the caliber of the pressure equalizing pipe 9 is matched with that of the insertion pipe 12, the first flange plate 10 is connected with the second flange plate 11 through a bolt, and the first flange plate 10 presses the chamfer side of the sealing ring 13 to the pipe orifice of the pressure equalizing pipe 9. When the inserting pipe 12 is inserted into the pressure equalizing pipe 9, the chamfered side of the sealing ring 13 is inserted into a gap between the pressure equalizing pipe 9 and the inserting pipe 12, then the first flange 10 pushes the sealing ring 13 to the opening of the pressure equalizing pipe 9, and finally the first flange 10 and the second flange 11 jointly act to seal the connecting part of the pressure equalizing pipe 9 and the inserting pipe 12 by the sealing ring 13.
During normal production, the on-off switch on the equalizer tube is normal close state, and internal pressure is about 235kpa left and right sides, and when this dust removal box was overhauld to needs, this box was stopped, closed the butterfly valve on the mechanism of admitting air and the outlet duct of dust removal box earlier, tentatively cut off the dust removal box and be connected with clean gas pipe and raw coke oven gas pipeline, opened box bleeder valve, let out the inside pressure of the dust removal box that stops up, then closed blind plate valve, cut off coal gas reliably. The operation sequence that the air compression dust removal box body after the overhaul is put into use is as follows: firstly, connecting a connecting pipe and a pressure equalizing pipe well and checking the sealing property, wherein a ball valve on the connecting pipe is in a closed state; and then opening an air inlet mechanism and a blind plate valve of the dust removal box body, closing a bleeding valve of the dust removal box body, finally opening an opening and closing switch of a pressure equalizing pipe orifice, enabling clean gas in the adjacent box bodies to enter the air pressure dust removal box body, and opening a butterfly valve after the pressure in the air pressure dust removal box body is equalized.
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 modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The cloth bag dust removing equipment with the pressure equalizing mechanism is characterized by comprising a plurality of dust removing box bodies (1), an air inlet mechanism (2), an ash falling mechanism (3) and a clean gas pipeline (4) which are arranged side by side, wherein a plurality of dust removing cloth bags are arranged in the dust removing box bodies (1), an air outlet pipe (5) is arranged at the top of each box body, and the air outlet pipe (5) is communicated with the dust removing box bodies (1) and the clean gas pipeline (4); mechanism (2) admits air with dust removal box (1) bottom intercommunication, the below of dust removal box (1) is connected with ash falling pipe (6), ash falling pipe (6) with ash falling mechanism (3) intercommunication, dust removal box (1) top is equipped with relief valve (7), be equipped with butterfly valve and blind plate valve on outlet duct (5), be equipped with pressure equalizing mechanism between dust removal box (1).
2. The cloth bag dust removal device with the pressure equalizing mechanism according to claim 1, wherein the pressure equalizing mechanism comprises a connecting pipe (8) and a valve, a pressure equalizing pipe (9) is connected to a side wall of the air outlet pipe (5), an on-off switch is arranged on the pressure equalizing pipe (9), two ends of the connecting pipe (8) are respectively communicated with the pressure equalizing pipes (9) on two adjacent air outlet pipes (5), and the connecting pipe (8) is detachably connected with the pressure equalizing pipes (9).
3. The bag house dust collector equipment with pressure equalizing mechanism as claimed in claim 2, a connecting piece is arranged between the two ends of the connecting pipe (8) and the pressure equalizing pipe (9), the connecting piece comprises a first flange (10), a second flange (11), an insertion pipe (12) and a sealing ring (13), the sealing ring (13) with a chamfer angle is sleeved outside the insertion pipe (12), the two sides of the first flange (10) are respectively connected with the connecting pipe (8) and the insertion pipe (12), the second flange (11) is fixedly connected on the pressure equalizing pipe (9), the pipe is characterized in that the pipe (12) is inserted into the pressure equalizing pipe (9), the caliber of the pressure equalizing pipe (9) is matched with that of the pipe (12), the first flange (10) is connected with the second flange (11) through a bolt, and the first flange (10) presses the chamfer side of the sealing ring (13) to the pipe orifice of the pressure equalizing pipe (9).
4. The cloth bag dust collector equipment with pressure equalizing mechanism according to claim 3, characterized in that the valve on the connecting pipe (8) is a ball valve (14), and the connecting pipe (8) is a metal hose.
5. The cloth bag dust removal equipment with pressure equalizing mechanism according to claim 4, characterized in that the pipe diameter of said outlet pipe (5) is 1000mm, and said connecting pipe (8) is 65 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799800.1U CN214130741U (en) | 2020-08-26 | 2020-08-26 | Cloth bag dust removal equipment with pressure equalizing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799800.1U CN214130741U (en) | 2020-08-26 | 2020-08-26 | Cloth bag dust removal equipment with pressure equalizing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214130741U true CN214130741U (en) | 2021-09-07 |
Family
ID=77522339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021799800.1U Active CN214130741U (en) | 2020-08-26 | 2020-08-26 | Cloth bag dust removal equipment with pressure equalizing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214130741U (en) |
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2020
- 2020-08-26 CN CN202021799800.1U patent/CN214130741U/en active Active
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