CN112337243A - Multistage dust pelletizing system of high temperature industrial waste gas - Google Patents
Multistage dust pelletizing system of high temperature industrial waste gas Download PDFInfo
- Publication number
- CN112337243A CN112337243A CN202011151194.7A CN202011151194A CN112337243A CN 112337243 A CN112337243 A CN 112337243A CN 202011151194 A CN202011151194 A CN 202011151194A CN 112337243 A CN112337243 A CN 112337243A
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- Prior art keywords
- dust removal
- heat exchange
- box
- fan
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 104
- 239000007789 gas Substances 0.000 title claims abstract description 37
- 239000002440 industrial waste Substances 0.000 title claims abstract description 25
- 238000005453 pelletization Methods 0.000 title description 4
- 238000003860 storage Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000004544 sputter deposition Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 claims description 2
- 238000005192 partition Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
Abstract
The invention discloses a multistage dust removal system for high-temperature industrial waste gas, which comprises a heat exchange box, a fan, a wind guide pipe, a dust removal box, an ash storage box, a hydraulic cylinder, a baffle plate, a spiral conveying device and an exhaust device, wherein the heat exchange box comprises a water inlet, an air inlet, a water outlet, an air outlet, a lower baffle plate, an upper baffle plate, a guide plate, heat exchange pipes and a turbulent flow fan, the water inlet is arranged at one side of the heat exchange box and is positioned below the lower baffle plate, the water outlet is arranged at the same side and is positioned above the upper baffle plate, the air inlet is arranged at one side of the heat exchange box and is positioned between the guide plate and the lower baffle plate, a, and run through upper baffle, lower baffle and guide plate, the air outlet is located heat transfer case one side and is communicate with the fan, and fan fixed mounting is on the heat transfer case, through guide duct and dust removal case intercommunication. The invention integrates cyclone dust collection and cloth bag dust collection, occupies less land, has high dust collection efficiency and can prevent the generation of raised dust.
Description
Technical Field
The invention belongs to the technical field of industrial waste gas treatment, and particularly relates to a multistage dust removal system for high-temperature industrial waste gas.
Background
With the continuous development of society, environmental problems become more serious, the treatment of industrial waste gas gets more and more attention, and in the production process of industries such as steel, metallurgy and the like, dust gas is generated and accompanied with high temperature, and if the dust gas is not treated, the dust gas can cause irreversible influence on the environment and even human health.
The existing dust removing equipment has various types, but has the following problems:
1) the water bath spraying dust removal cannot treat water-soluble gas, is easy to react with the gas to change the composition of the gas, causes secondary pollution and is easy to waste heat resources; 2) cyclone dust removal cannot remove small particle dust, and only can separate large particle dust; the service life of the cloth bag dust removal is short in a high-temperature environment, the gas is required to be dried, the size is large, and the operation cost is high;
disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a multistage dust removal system for high-temperature industrial waste gas, which is integrally designed by cyclone dust removal and cloth bag dust removal, occupies less land, has high dust removal efficiency and can prevent raised dust.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a multistage dust pelletizing system of high temperature industrial waste gas, includes heat transfer case, fan, guide duct, dust removal case, ash storage box, pneumatic cylinder, baffle, auger delivery device, exhaust device, the heat transfer case includes water inlet, air intake, delivery port, air outlet, lower baffle, go up the baffle, the guide plate, the heat exchange tube, the vortex fan, heat transfer case one side is located to the water inlet, lie in baffle below down, the delivery port is located same one side, lie in the baffle top, heat transfer case one side is located between guide plate and the lower baffle in the air intake, a plurality of guide plates and vortex fan staggered distribution are in heat transfer incasement portion both sides, a plurality of heat exchange tubes evenly distributed are in heat transfer incasement portion, and run through the baffle, lower baffle and guide plate, heat transfer case one side and fan intercommunication are located to the air outlet, fan fixed.
The dust removal box comprises a backflushing air pipe, a pulse solenoid valve, an air storage tank, a screw rod lifter, a motor II, a screw rod, a protective cover, a fixed keel, a cloth bag, a limiting plate, a fixed ring, a fixed support, a telescopic cylinder, an inner cylinder, an outer cylinder, a spiral guide plate, a dust baffle plate and a support, wherein the support is fixedly arranged at the bottom of the dust removal box, the dust baffle plate is arranged at the inner side of the outer cylinder, the spiral guide plate is fixedly arranged at the outer side of the inner cylinder, the telescopic cylinder is arranged at the inner side of the inner cylinder and fixedly connected with the screw rod through the fixed support, the protective cover is arranged at the outer side of the screw rod, the screw rod lifter is arranged at the upper end of the screw rod, the motor II is arranged at one side of the screw rod lifter, the air storage tank is arranged, a fixed ring is arranged above the cloth bag, and an ash storage box is arranged below the dust removal box.
The ash storage box is provided with two baffles, one end of a baffle fixed connection hydraulic cylinder is arranged, the other end of the hydraulic cylinder is fixedly arranged on one side of the heat exchange box, a spiral conveying device is arranged below the ash storage box and comprises a motor I, a main shaft, a spiral blade, a body shell, a sputtering prevention funnel, a spraying pipe and a spraying head, one side of the body shell is provided with the motor I, the motor I is fixedly connected with the main shaft, the spiral blade is fixedly arranged on one end of the main shaft, the other side of the body shell is provided with the sputtering prevention funnel, the spraying pipe is fixedly arranged at the outlet of the sputtering prevention funnel, and the spraying. Exhaust device fixed mounting is in dust removal case top, and exhaust device includes exhaust pipe, exhaust fan, motor support, and motor support fixed mounting exhaust fan is located inside the exhaust pipe.
Preferably, the turbulent flow fan is provided with a hinged bolt which can swing up and down, so that air flow can be more uniformly distributed in the heat exchange box.
Preferably, the air guide pipe is fixedly installed along the tangential direction of the outer barrel, so that waste gas can rotate quickly, and dust-gas separation is better realized.
Preferably, four dust baffles are arranged on the inner side of the outer cylinder at equal intervals, so that flying dust is conveniently blocked, and the flying dust is prevented from rotating along with the rotating airflow all the time.
Compared with the prior art, the invention has the beneficial effects that:
1) the inner cylinder of the dust removal box is internally provided with a telescopic cylinder, when the backflushing air pipe works, the telescopic cylinder can move up and down through a screw rod lifter, so that flying dust filtered by the cloth bag can directly enter the dust storage box, and the flying dust is prevented from entering the cyclone dust removal again to reduce the dust removal efficiency.
2) The fixed keel is provided with a fixing pin above, the limiting plate is provided with an opening, the fixed keel is aligned with the limiting plate to rotate, and the installation of the fixed keel can be completed, so that the fixed keel is simple, fast and convenient to maintain and replace.
3) Cyclone removes dust and cloth bag dust removal integrated design, and the joint is few, is moistened the dust by the shower head when the dust is discharged, and the effectual raise dust that avoids produces, causes secondary pollution.
Drawings
FIG. 1 is a schematic structural diagram of a multistage dust removal system for high-temperature industrial waste gas of the present invention;
FIG. 2 is a schematic side view of a multistage dust removal system for high-temperature industrial waste gas according to the present invention;
FIG. 3 is a schematic view of the internal structure of a multistage dust removal system for high-temperature industrial waste gas according to the present invention;
FIG. 4 is a cross-sectional view of the inner barrel;
FIG. 5 is a bottom view of the internal structure of the outer cylinder of the dust removing box;
FIG. 6 is a schematic view of the screw conveyor;
FIG. 7 is an enlarged view of a portion of FIG. 3 at A;
FIG. 8 is an enlarged fragmentary view at B of FIG. 4;
FIG. 9 is an enlarged fragmentary view at C of FIG. 4;
in the figure: 10. a heat exchange box; 11. a fan; 12. an air guide pipe; 13. an air exhaust device; 14. a dust removal box; 15. a dust storage box; 16. a screw conveyor; 17. a hydraulic cylinder; 18. a baffle plate; 101. a water inlet; 102. an air inlet; 103. a baffle; 104. a turbulent fan; 105. a water outlet; 106. a heat exchange pipe; 107. an upper partition plate; 108. an air outlet; 109. a lower partition plate; 131. an exhaust duct; 132. an exhaust fan; 133. a motor bracket; 141. a gas storage tank; 142. a pulse electromagnetic valve; 143. back flushing the trachea; 144. an outer cylinder; 145. a dust guard; 146. a spiral deflector; 147. an inner barrel; 148. a telescopic cylinder; 149. a screw elevator; 161. a body housing; 162. an anti-sputtering funnel; 163. a shower head; 164. a shower pipe; 165. a helical blade; 166. a main shaft; 167. a motor I; 1441. a support; 1481. a limiting plate; 1482. fixing the keel; 1483. a cloth bag; 1484. fixing the circular ring; 1491. a motor II; 1492. a protective cover; 1493. a lead screw; 1494. and fixing the bracket.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 9.
A high-temperature industrial waste gas multistage dust removal system comprises a heat exchange box 10, a fan 11, an air guide pipe 12, a dust removal box 14, an ash storage box 15, a hydraulic cylinder 17, a baffle plate 18, a spiral conveying device 16 and an exhaust device 13, wherein the heat exchange box 10 comprises a water inlet 101, an air inlet 102, a water outlet 105, an air outlet 108, a lower partition plate 109, an upper partition plate 107, a guide plate 103, a heat exchange pipe 106 and a turbulent flow fan 104, the water inlet 101 is arranged on one side of the heat exchange box 10 and is positioned below the lower partition plate 109, the water outlet 105 is arranged on the same side and is positioned above the upper partition plate 107, the air inlet 102 is arranged on one side of the heat exchange box 10 and is positioned between the guide plate 103 and the lower partition plate 109, the guide plates 103 and the fan 104 are distributed on two sides in the heat exchange box 10 in a staggered manner, the heat exchange pipes 106 are uniformly distributed in the, the fan 11 is fixedly arranged on the heat exchange box 10 and is communicated with the dust removal box 14 through an air guide pipe 12.
The dust removal box 14 comprises a recoil air pipe 143, a pulse electromagnetic valve 142, an air storage tank 141, a screw rod lifter 149, a motor II 1491, a screw rod 1493, a protective cover 1492, a fixed keel 1482, a cloth bag 1483, a limiting plate 1481, a fixed ring 1484, a fixed support 1494, a telescopic cylinder 148, an inner cylinder 147, an outer cylinder 144, a spiral guide plate 146, a dust baffle 145 and a support 1441, wherein the support 1441 is fixedly installed at the bottom of the dust removal box 14, the dust baffle 145 is arranged on the inner side of the outer cylinder 144, the spiral guide plate 146 is fixedly installed on the outer side of the inner cylinder 147, the telescopic cylinder 148 is arranged on the inner side of the inner cylinder 147, the telescopic cylinder 148 is fixedly connected with the screw rod 1493 through the fixed support 1494, the protective cover 1492 is arranged on the outer side of the screw rod 1493, the screw rod lifter 149 is arranged at the upper end of the screw rod 1493, the motor II 1491 is arranged on one side of the screw, the recoil air pipe 143 is deep into sack 1483, the sack 1483 is installed on the fixed keel 1482, the upper end of the fixed keel 1482 is installed on the limit plate 1481, the fixed ring 1484 is arranged above the sack 1483, and the ash storage box 15 is arranged below the dust removal box 14.
The turbulent fan 104 is provided with a hinged bolt which can swing up and down, so that air flow can be more uniformly distributed in the heat exchange box.
The air guide pipe 12 is fixedly installed along the tangential direction of the outer cylinder 144, so that the waste gas can rotate quickly, and dust-gas separation can be better realized.
Four dust baffles 145 are arranged on the inner side of the outer cylinder 144 at equal intervals, so that flying dust can be conveniently blocked and prevented from rotating along with the rotating airflow all the time.
A multistage dust pelletizing system of high temperature industrial waste gas, the working process is as follows: industrial waste gas firstly enters the heat exchange box 10 through the air inlet 102 for heat exchange and cooling, cooling water enters the heat exchange box 10 from the water inlet 101, passes through the heat exchange tube 106 and is discharged from the water outlet 105 for use, the industrial waste gas moves from top to bottom in an S shape through the guide plate 103, the turbulent fan 104 is started to blow the waste gas to the whole heat exchange box 10, so that the industrial waste gas can better exchange heat with the heat exchange tube 106, finally the industrial waste gas enters the fan 11 through the air outlet 108, the fan 11 blows the cooled industrial waste gas into the dust removal box 14 for dust removal, the dust removal box 14 is formed by combining cyclone dust removal and cloth bag dust removal, the fan 11 gives a primary speed to the waste gas, the waste gas rotates at a high speed in the dust removal box 14, large-particle dust is thrown to the outer cylinder 144, the dust is blocked by the dust blocking plate 145 and falls into the dust storage box 15 below the dust removal box 14, the, the motor II 1491 drives the screw lifter 149 to move, the telescopic cylinder 148 in the inner cylinder 147 is put down, the protective cover 1492 is used for protecting the screw 1493 from being adhered to dust to influence use, the recoil air pipe 143 blows air, the dust can directly fall into the dust storage box 15, the dust removal efficiency is reduced in the process of preventing the dust from entering cyclone dust removal, when the dust in the dust storage box 15 is too much, the lower hydraulic cylinder 17 drives the lower baffle 18 to shrink, the upper hydraulic cylinder 17 drives the upper baffle 18 to extend to block the dust removal box 14, the dust enters the spiral conveying device 16 to be discharged, the discharged dust is sprayed and treated by the spray header 163 at the position of the anti-sputtering funnel 162, the secondary pollution caused by dust raising is prevented, and the industrial waste gas after two-stage dust removal is discharged by the exhaust device 13.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (6)
1. A multistage dust removal system for high-temperature industrial waste gas comprises a heat exchange box, a fan, an air guide pipe, a dust removal box, an ash storage box, a hydraulic cylinder, a baffle, a spiral conveying device and an exhaust device, it is characterized in that the heat exchange box comprises a water inlet, an air inlet, a water outlet, an air outlet, a lower clapboard, an upper clapboard, a guide plate, a heat exchange tube and a turbulent flow fan, the water inlet is arranged at one side of the heat exchange box and is positioned below the lower clapboard, the water outlet is arranged at the same side and is positioned above the upper clapboard, the air inlet is arranged at one side of the heat exchange box and is positioned between the guide plate and the lower clapboard, a plurality of guide plates and the turbulent flow fan are distributed at two sides of the inner part of the heat, and run through upper baffle, lower baffle and guide plate, the air outlet is located heat transfer case one side and is communicate with the fan, and fan fixed mounting is on the heat transfer case, through guide duct and dust removal case intercommunication.
2. The multistage dust removal system for high-temperature industrial waste gas according to claim 1, wherein the dust removal box comprises a backflushing gas pipe, a pulse solenoid valve, a gas storage tank, a screw rod lifter, a motor II, a screw rod, a protective cover, a fixed keel, a cloth bag, a limiting plate, a fixed ring, a fixed support, a telescopic cylinder, an inner cylinder, an outer cylinder, a spiral guide plate, a dust baffle plate and a support, the support is fixedly arranged at the bottom of the dust removal box, the inner side of the outer cylinder is provided with the dust baffle plate, the outer side of the inner cylinder is fixedly provided with the spiral guide plate, the inner side of the inner cylinder is provided with the telescopic cylinder, the telescopic cylinder is fixedly connected with the screw rod through the fixed support, the outer side of the screw rod is provided with the protective cover, the upper end of the screw rod is provided with the screw rod lifter, the recoil trachea is deep into the cloth bag, the cloth bag is installed on the fixed keel, the upper end of the fixed keel is installed on the limiting plate, the fixed ring is arranged above the cloth bag, and the ash storage box is arranged below the dust removal box.
3. The multistage dust removal system for the high-temperature industrial waste gas as claimed in claim 1, wherein the ash storage box is provided with two baffle plates, the baffle plates are fixedly connected with one end of a hydraulic cylinder, the other end of the hydraulic cylinder is fixedly arranged at one side of the heat exchange box, a spiral conveying device is arranged below the ash storage box, the spiral conveying device comprises a motor I, a main shaft, a spiral blade, a body shell, an anti-sputtering funnel, a spray pipe and a spray head, one side of the body shell is provided with a motor I which is fixedly connected with a main shaft, one end of the main shaft is fixedly provided with a helical blade, the other side of the body shell is provided with an anti-sputtering funnel, the spray pipe is fixedly arranged at the outlet of the anti-sputtering funnel, a plurality of spray heads are arranged on the spray pipe, exhaust device fixed mounting is in dust removal case top, and exhaust device includes exhaust pipe, exhaust fan, motor support, and motor support fixed mounting exhaust fan is located inside the exhaust pipe.
4. The multistage dust removal system for high-temperature industrial waste gas as claimed in claim 1, wherein the disturbing flow fan is provided with a hinge bolt.
5. The multistage dust removal system for high-temperature industrial waste gas as claimed in claim 1, wherein the air guide pipe is fixedly installed along a tangential direction of the outer cylinder.
6. The multistage dust removal system for high-temperature industrial waste gas as claimed in claim 1, wherein four dust baffles are arranged at equal intervals inside the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151194.7A CN112337243A (en) | 2020-10-25 | 2020-10-25 | Multistage dust pelletizing system of high temperature industrial waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151194.7A CN112337243A (en) | 2020-10-25 | 2020-10-25 | Multistage dust pelletizing system of high temperature industrial waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112337243A true CN112337243A (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011151194.7A Pending CN112337243A (en) | 2020-10-25 | 2020-10-25 | Multistage dust pelletizing system of high temperature industrial waste gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN112337243A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908632A (en) * | 2021-10-21 | 2022-01-11 | 江阴奥德环保科技有限公司 | Cloth bag dust removing equipment |
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2020
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Application publication date: 20210209 |