CN112604441A - Zinc dust explosion-proof dust removal system device - Google Patents
Zinc dust explosion-proof dust removal system device Download PDFInfo
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- CN112604441A CN112604441A CN202011606237.6A CN202011606237A CN112604441A CN 112604441 A CN112604441 A CN 112604441A CN 202011606237 A CN202011606237 A CN 202011606237A CN 112604441 A CN112604441 A CN 112604441A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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Abstract
The invention discloses a zinc dust explosion-proof dust removal system device, wherein a circular cylinder (4) is communicated with a conical cylinder (5), an air inlet (6) and an air outlet (7) are arranged on two side surfaces of the circular cylinder (4), a negative pressure dust removal pipe (1) is communicated with the air inlet (6), an air inlet (9) is arranged on one side surface of a shell (8) of an explosion-proof bag-type dust remover (3), the air outlet (7) of the cylinder is communicated with the air inlet (9) on one side surface of the shell (8) through an exhaust pipe (10), a plurality of dust removal filtering bags (10) are distributed in a dust removal chamber (21) of the shell (8), an air outlet (11) of the shell (8) is communicated with an inlet of an air blower (14) through an air conveying pipeline (13), and an outlet of the air blower (14) is communicated with. The invention can not only improve the dust removal effect so as to enable the filtered air to meet the emission standard, but also has simple structure, long service life and low use cost.
Description
Technical Field
The invention relates to a zinc dust explosion-proof dust removal system device.
Background
The zinc powder dust removal at present only generally adopts the one-level dustproof, and the effect of removing dust is not good like this, and the structure is more complicated moreover, and the running cost is high, leads to the unable demand that satisfies the emission of exhaust air, causes the pollution.
Disclosure of Invention
The invention provides a zinc dust explosion-proof dust removal system device which can improve the dust removal effect, so that the filtered air meets the emission standard, and has the advantages of simple structure, long service life and low use cost.
The invention adopts the following technical scheme: a zinc dust explosion-proof dust removal system device mainly comprises a negative pressure dust removal pipe, a cyclone dust collector, an explosion-proof cloth bag dust collector and a discharge chimney, wherein the upper part of the cyclone dust collector is a round cylinder, the lower part of the cyclone dust collector is a conical cylinder, the lower part of the round cylinder is communicated with the upper part of the conical cylinder, two side surfaces of the round cylinder are respectively provided with an air inlet and an air outlet, the bottom of the conical cylinder is connected with an air locking and dust discharging recovery device I, the negative pressure dust removal pipe is communicated with the air inlet, the explosion-proof cloth bag dust collector is provided with a shell, one side surface of the shell is provided with an air inlet, the air outlet of the cylinder is communicated with the air inlet on one side surface of the shell through an exhaust pipe, an inner chamber of the shell is arranged as a dust removal chamber, a plurality of dust removal filter cloth bags, the bottom of the shell is provided with a gas locking and ash discharging recovery device II, the gas outlet of the shell is communicated with the inlet of the air blower through a gas transmission pipeline, and the outlet of the air blower is communicated with the discharge chimney.
Lock gas and unload grey recovery unit I mainly include ash bucket I and dirt room, the upper portion of ash bucket I is linked together with the bottom of toper barrel, dirty gas is got into circular barrel by the air intake in, along the rotatory toper barrel that enters into of circular barrel inner wall in downwards, because of the effect in the centrifugal force, most dust is got rid of on the inner wall and gets into ash bucket I and dirt room in proper order after revolving down along with the air current in, and the gaseous spiral shell that upwards spins in circular barrel that forms of last vortex after the purification, the direction of rotation is the same, discharge at circular barrel through the air exit, reach the purpose of removing dust. The top of shell is equipped with horizontal support frame, fixed mounting has the gas storage package on horizontal support frame, the gas storage package is equipped with a plurality of gas outlets II, be connected with intake pipe II on every gas outlet II, the one end of intake pipe II is linked together with gas storage package's gas outlet II, the other end of intake pipe II is relative with the dust removal filter sack in the dust removal cavity, be equipped with the pulse solenoid valve between every gas outlet II and every intake pipe II, the control end of all pulse solenoid valves all is connected with time schedule controller, when the pulse deashing, time schedule controller can open according to pulse solenoid valve of preset time control, highly-compressed air in the gas storage package can get into the dust removal cavity in the twinkling of an eye, sweep the dust of holding back on the dust removal filter sack totally, the dust is in the lock gas unloading recovery unit II.
The air-locking ash-discharging recovery device II mainly comprises a dust collecting ash bucket II, the upper part of the dust collecting ash bucket II is communicated with a dust removing cavity, dust downwards enters the dust collecting ash bucket II under the action of the dead weight of the dust, and a star-shaped discharger II is arranged at an ash outlet at the bottom of the dust collecting ash bucket II. The top of the cyclone dust collector is provided with an explosion venting port I, and an explosion venting sheet I is installed on the explosion venting port I. The lower part of the side face of the circular cylinder body is symmetrically provided with two explosion venting ports II, the two explosion venting ports II are arranged side by side, and each explosion venting port II is provided with an explosion venting sheet II. The anti-explosion bag-type dust collector is characterized in that a maintenance guardrail is arranged at the top of the shell of the anti-explosion bag-type dust collector, a maintenance platform is arranged on the side face of the shell of the anti-explosion bag-type dust collector, and a maintenance crawling ladder is fixedly arranged outside the gas transmission pipeline. The lower part of the discharge chimney is sleeved with a silencer, and the bottom of the silencer is positioned at the joint of the outlet of the air blower and the bottom of the discharge chimney. The blower is connected with an explosion-proof motor. The negative pressure dust removal pipe is provided with an access hole and a transparent window.
The invention has the following beneficial effects: after the technical scheme is adopted, the cyclone dust collector is adopted to remove dust in the dust-containing air from the gas by utilizing centrifugal force, and moving parts are adopted, so that the structure is simple, the manufacturing cost is low, the management is convenient, the maintenance and the operation cost are low, and the power consumption is low. The dust collector is resistant to high temperature and high pressure, is suitable for middle-sized or coarse-sized dust with various temperatures encountered in the industry at present, can collect and separate dust-containing airflow of 0.01 g/cubic meter to 500 g/cubic meter, and can prolong the service life of the dust collector. The invention can improve the dust removal effect through primary filtration and secondary filtration, so that the filtered air meets the emission standard, and the invention has simple structure, long service life and low use cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic side view of the explosion-proof bag-type dust collector of the present invention.
Detailed Description
In the figures 1, 2 and 3, the invention provides a zinc dust explosion-proof dust removal system device, which mainly comprises a negative pressure dust removal pipe 1, a cyclone dust collector 2, an explosion-proof cloth bag dust collector 3 and a discharge chimney 4, wherein the upper part of the cyclone dust collector 2 is a circular cylinder 4, the lower part of the cyclone dust collector is a conical cylinder 5, the lower part of the circular cylinder 4 is communicated with the upper part of the conical cylinder 5, two side surfaces of the circular cylinder 4 are respectively provided with an air inlet 6 and an air outlet 7, the bottom of the conical cylinder 5 is connected with an air locking and dust discharging recovery device I, the negative pressure dust removal pipe 1 is communicated with the air inlet 6, the explosion-proof cloth bag dust collector 3 is provided with a shell 8, one side surface of the shell 8 is provided with an air inlet 9, the air outlet 7 of the cylinder is communicated with the air inlet 9 on one side surface of the shell 8 through an exhaust pipe 10, the, six dust removing and filtering cloth bags 10 are distributed in a dust removing chamber 21 of the embodiment, the six dust removing and filtering cloth bags 10 are vertically arranged in two rows, each row is provided with three dust removing and filtering cloth bags 10, the other side surface of a shell 8 is provided with an air outlet 11, a clean air area 12 is arranged between the plurality of dust removing and filtering cloth bags 10 and the air outlet 11, the bottom of the shell (8) is provided with an air locking and dust discharging recovery device II, the air outlet 11 of the shell 8 is communicated with an inlet of an air blower 14 through an air conveying pipeline 13, an outlet of the air blower 14 is communicated with a discharge chimney 4, the air locking and dust discharging recovery device I mainly comprises a dust hopper I15 and a dust collecting chamber 16, the upper part of the dust hopper I15 is communicated with the bottom of a conical barrel 5, dust-containing gas enters the circular barrel 4 from an air inlet 6 and rotates downwards along the inner wall of the circular barrel 4 to enter the conical barrel 5, most of the dust is thrown to the inner wall to rotate downwards, the purified gas forms upward whirling airflow and is screwed into the circular cylinder 4 in the same rotating direction, the circular cylinder 4 is discharged through the air outlet 7 to achieve the purpose of dust removal, the top of the shell 8 is provided with a horizontal support frame 17, an air storage bag 18 is fixedly installed on the horizontal support frame 17, the air storage bag 18 is provided with a plurality of air outlets II 19, each air outlet II 19 is connected with an air inlet pipe II 20, one end of each air inlet pipe II 20 is communicated with the air outlet II 19 of the air storage bag 18, the other end of each air inlet pipe II 20 is opposite to a dust removal filtering cloth bag 10 in a dust removal chamber 21, a pulse electromagnetic valve 22 is arranged between each air outlet II 19 and each air inlet pipe II 20, the control ends of all the pulse electromagnetic valves 22 are connected with a time schedule controller, when dust is removed by pulse, the time schedule controller can control one pulse electromagnetic valve 22 to be opened according to the preset time, high-pressure air in, sweeping dust intercepted on the dust removal filtering cloth bag 10 completely, enabling the dust to downwards enter a gas locking and dust discharging recovery device II under the action of the dead weight of the dust, enabling the dust to downwards enter the dust locking and dust discharging recovery device II under the action of the dead weight of the dust, enabling dust to downwards enter the dust collecting hopper II 23 under the action of the dead weight of the dust, enabling a star-shaped discharger II 24 to be arranged at a dust outlet at the bottom of the dust collecting hopper II 23, enabling an explosion venting port I25 to be arranged at the top of the cyclone dust collector 2, enabling an explosion venting sheet I26 to be arranged on the explosion venting port I25, symmetrically arranging two explosion venting ports II 27 at the lower part of the side surface of the circular cylinder 4, arranging the two explosion venting ports II 27 side by side, arranging an explosion venting sheet II 28 on each explosion venting port II 27, arranging a maintenance guardrail 29 at the top of a shell 8 of the explosion-proof cloth bag dust collector 3, arranging a maintenance platform 30 on the side surface of the shell 8 of the explosion, the outside fixed mounting of gas transmission pipeline 13 have maintenance cat ladder 31, discharge the lower part cover of chimney 4 has muffler 32, and the bottom of muffler 32 is located the exit of air-blower 14 and the junction of discharge chimney 4 bottom, air-blower 14 on be connected with explosion-proof motor 33, negative pressure dust removal pipe 1 on be equipped with access hole and transparent window.
The invention adopts the combination of the cyclone dust collector 2 and the explosion-proof bag dust collector 3 to carry out dust removal treatment so as to ensure that the treated dust-containing air is discharged after passing through a chimney.
First, a first stage of filtration is performed by means of a cyclone 2, which uses centrifugal force to remove dust particles from the gas. The cyclone dust collector 2 is characterized in that no moving part is arranged, and the cyclone dust collector has the advantages of simple structure, low manufacturing cost, convenient management, low maintenance and operation cost and low power consumption. The high temperature and high pressure resistant cyclone dust collector is resistant to high temperature and high pressure, comprises positive pressure and negative pressure, is suitable for middle-granularity or coarse-granularity dust at various temperatures encountered in the industry at present, can collect and separate dust-containing airflow of 0.01 g/cubic meter to 500 g/cubic meter, can be lined with various wear-resistant materials on the inner wall of the cyclone dust collector 2 so as to prolong the service life of the cyclone dust collector, dust-containing gas enters the circular cylinder 4 from the air inlet 6 and rotates downwards along the inner wall of the circular cylinder 4 to enter the conical cylinder 5, most of dust is thrown onto the inner wall and rotates downwards along with the airflow under the action of centrifugal force and then sequentially enters the dust hopper I15 and the dust collecting chamber 16, purified gas forms upward rotating airflow and is upwards screwed into the circular cylinder 4, the rotating direction is the same, and the dust is discharged from the circular cylinder 4 through the air outlet 7, so that. The explosion-proof bag-type dust collector 3 carries out secondary filtration again, the explosion-proof bag-type dust collector 3 filters dust particles from dust-containing smoke through the dust-removing filtering bag 10, the dust-removing filtering bag 10 collects coarse-grained dust mainly by means of inertial collision and collects fine-grained dust mainly by means of diffusion and screening, when the explosion-proof bag-type dust collector 3 operates normally, dust-containing gas enters the explosion-proof bag-type dust collector 3 and is intercepted in the dust-removing filtering bag 10 through the dust-removing filtering bag 10, clean air enters the clean air area 12 through the center of the dust-removing filtering bag 10 and is discharged, when pulse dust removal is adopted, the time schedule controller controls the opening of a pulse electromagnetic valve 22 according to preset time, high-pressure air in the air storage bag 18 can instantly enter the dust-removing cavity 21 to sweep the dust intercepted on the dust-removing filtering bag 10, the dust downwards enters the air-locking dust-discharging recovery device II under the, the air-locking ash-discharging recovery device II mainly comprises a dust collecting ash bucket II 23, the upper part of the dust collecting ash bucket II 23 is communicated with the dust removing chamber 21, and dust downwards enters the dust collecting ash bucket II 23 under the action of the dead weight of the dust.
Claims (10)
1. A zinc dust explosion-proof dust removal system device is characterized by mainly comprising a negative pressure dust removal pipe (1), a cyclone dust collector (2), an explosion-proof cloth bag dust collector (3) and a discharge chimney (4), wherein the upper part of the cyclone dust collector (2) is a round cylinder (4), the lower part of the cyclone dust collector is a conical cylinder (5), the lower part of the round cylinder (4) is communicated with the upper part of the conical cylinder (5), an air inlet (6) and an air outlet (7) are respectively arranged on two side surfaces of the round cylinder (4), the bottom of the conical cylinder (5) is connected with an air locking and dust discharging recovery device I, the negative pressure dust removal pipe (1) is communicated with the air inlet (6), the explosion-proof cloth bag dust collector (3) is provided with a shell (8), an air inlet (9) is arranged on one side surface of the shell (8), the air outlet (7) of the cylinder is communicated with the air inlet, the inner chamber of shell (8) sets up to dust removal cavity (21), it filters sack (10) to have a plurality of dust removals in dust removal cavity (21), a plurality of dust removals filter sack (10) are placed perpendicularly, another side of shell (8) is equipped with gas outlet (11), be clean air district (12) between a plurality of dust removals filter sack (10) and gas outlet (11), be equipped with lock gas in the bottom of shell (8) and unload grey recovery unit II, gas outlet (11) of shell (8) are linked together through the import of gas transmission pipeline (13) with air-blower (14), the export and the emission chimney (4) of air-blower (14) are linked together.
2. The zinc dust explosion-proof dust removal system device as defined in claim 1, wherein said air-locking dust-discharging recovery device i mainly comprises a dust hopper i (15) and a dust collection chamber (16), the upper portion of the dust hopper i (15) is connected to the bottom of the conical barrel (5), the dust-containing gas enters the cylindrical barrel (4) from the air inlet (6), and rotates downward along the inner wall of the cylindrical barrel (4) to enter the conical barrel (5), due to the centrifugal force, most of the dust is thrown onto the inner wall and rotates downward with the air flow to enter the dust hopper i (15) and the dust collection chamber (16) in sequence, and the purified gas forms an upward rotating air flow to rotate upward into the cylindrical barrel (4), and the rotating direction is the same, and the dust is removed from the cylindrical barrel (4) through the air outlet (7).
3. The zinc dust explosion-proof and dust-removal system device as defined in claim 1, wherein a horizontal support frame (17) is arranged on the top of the shell (8), a gas storage bag (18) is fixedly arranged on the horizontal support frame (17), the gas storage bag (18) is provided with a plurality of gas outlets II (19), each gas outlet II (19) is connected with a gas inlet pipe II (20), one end of each gas inlet pipe II (20) is communicated with the gas outlet II (19) of the gas storage bag (18), the other end of each gas inlet pipe II (20) is opposite to the dust-removal filtering cloth bag (10) in the dust-removal chamber (21), a pulse electromagnetic valve (22) is arranged between each gas outlet II (19) and each gas inlet pipe II (20), the control ends of all pulse electromagnetic valves (22) are connected with a time schedule controller, when dust is cleaned by pulse, the time schedule controller can control one pulse electromagnetic valve (22, high-pressure air in the air storage bag (18) can enter the dust removal cavity (21) instantly to sweep and clean dust intercepted on the dust removal filtering cloth bag (10), and the dust downwards enters the air locking and dust discharging recovery device II under the self-weight action of the dust.
4. The zinc dust explosion-proof and dust-removing system device as defined in claim 1 or 3, wherein said air-lock dust-discharging recovery device II mainly comprises a dust-collecting hopper II (23), the upper part of the dust-collecting hopper II (23) is connected with the dust-removing chamber (21), the dust enters the dust-collecting hopper II (23) downward under the action of the self-weight of the dust, and a star-shaped discharger II (24) is arranged at the dust outlet at the bottom of the dust-collecting hopper II (23).
5. The zinc dust explosion-proof and dust-removing system device as defined in claim 1, wherein the top of said cyclone dust collector (2) is provided with an explosion venting port I (25), and an explosion venting sheet I (26) is installed on said explosion venting port I (25).
6. The zinc dust explosion-proof and dust-removing system device as defined in claim 1, wherein the lower part of the side surface of the circular cylinder (4) is symmetrically provided with two explosion vents II (27), the two explosion vents II (27) are arranged side by side, and each explosion vent II (27) is provided with an explosion vent II (28).
7. The zinc dust anti-explosion dust removal system device as defined in claim 1, wherein the top of the shell (8) of the anti-explosion bag-type dust collector (3) is provided with a maintenance guardrail (29), the side of the shell (8) of the anti-explosion bag-type dust collector (3) is provided with a maintenance platform (30), and the outside of the gas transmission pipeline (13) is fixedly provided with a maintenance ladder (31).
8. The zinc dust explosion-proof and dust removal system device as defined in claim 1, wherein a silencer (32) is sleeved on the lower portion of the discharge chimney (4), and the bottom of the silencer (32) is located at the joint of the outlet of the blower (14) and the bottom of the discharge chimney (4).
9. The zinc dust anti-explosion and dust-removal system device as defined in claim 1, wherein the blower (14) is connected with an anti-explosion motor (33).
10. The zinc dust explosion-proof and dust-removing system device as defined in claim 1, wherein said negative pressure dust-removing tube (1) is provided with an access opening and a transparent window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606237.6A CN112604441A (en) | 2020-12-30 | 2020-12-30 | Zinc dust explosion-proof dust removal system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606237.6A CN112604441A (en) | 2020-12-30 | 2020-12-30 | Zinc dust explosion-proof dust removal system device |
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| CN112604441A true CN112604441A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011606237.6A Pending CN112604441A (en) | 2020-12-30 | 2020-12-30 | Zinc dust explosion-proof dust removal system device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731032A (en) * | 2021-08-26 | 2021-12-03 | 广东新氧器净化科技有限公司 | Negative pressure environment explosion-proof equipment, explosion-proof filtration equipment and fire-proof and explosion-proof clean system |
| CN114887402A (en) * | 2022-03-31 | 2022-08-12 | 成都卓越四方环境科技有限公司 | Negative pressure dust removal device |
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2020
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| JPS5573313A (en) * | 1978-11-24 | 1980-06-03 | Sumitomo Metal Ind Ltd | Explosion preventing method of bag filter dust collecting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113731032A (en) * | 2021-08-26 | 2021-12-03 | 广东新氧器净化科技有限公司 | Negative pressure environment explosion-proof equipment, explosion-proof filtration equipment and fire-proof and explosion-proof clean system |
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