CN114259816A - Steel production utilizes heat recovery's dust collector - Google Patents
Steel production utilizes heat recovery's dust collector Download PDFInfo
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- CN114259816A CN114259816A CN202111480312.3A CN202111480312A CN114259816A CN 114259816 A CN114259816 A CN 114259816A CN 202111480312 A CN202111480312 A CN 202111480312A CN 114259816 A CN114259816 A CN 114259816A
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Abstract
The invention belongs to the field of steel production, and relates to a dust removal device for heat recovery in steel production, which comprises a shell, wherein a recovery cavity is arranged in the shell, a recovery device is arranged in the recovery cavity, the recovery device comprises a condensation spraying block fixed on the upper side of the recovery cavity, a condensation spraying cavity is arranged in the condensation spraying block, a condensation spraying device is arranged in the condensation spraying cavity, the dust removal device is arranged in the dust removal cavity, an air inlet is arranged on the lower side of the shell, a water inlet is arranged on the left side of the shell, an air outlet is arranged on the right side of the shell, and an air outlet is arranged on the upper side of the shell. The invention can absorb the heat in the waste gas, can be recycled, can filter the solid impurities in the waste gas after steel production, can continuously remove dust on the filter screen in the filtering process, can recover the evaporated water, condenses and recovers the evaporated water, sprays the condensed and recovered water on the filter screen and cleans the filter screen.
Description
Technical Field
The invention belongs to the field of steel production, and particularly relates to a dust removal device for heat energy recovery in steel production.
Background
The existing steel production waste gas treatment device can not absorb the heat in the waste gas and can not recycle the heat, so that the energy in the waste gas is easily lost.
The existing steel production waste gas treatment device can not remove dust in waste gas during the operation of the filter screen, and can take cleaning measures to prevent the filter screen from being blocked.
The existing steel production waste gas treatment device can not recycle and utilize the evaporated water, and can not realize the high-efficiency utilization of water resources.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a heat energy recovery dust removal device for steel production, which can absorb heat in waste gas, can be recycled, can filter solid impurities in the waste gas after the steel production, can continuously remove dust on a filter screen in the filtering process, can recover evaporated water, condenses and recovers the evaporated water, and sprays the condensed and recovered water on the filter screen to clean the filter screen.
The purpose of the invention can be realized by the following technical scheme: a dust removal device for heat recovery in steel production comprises a shell, wherein a recovery cavity is arranged in the shell, a recovery device is arranged in the recovery cavity and used for recovering heat energy of waste gas generated after steel production, the recovery device comprises a condensation spraying block fixed on the upper side of the recovery cavity, the upper side of the condensation spraying block is in contact with the outer side of the shell, a dust removal block is fixedly arranged on the lower side of the condensation spraying block, a sliding block is slidably arranged on the lower side of the recovery cavity, an outer hole and an inner hole are formed in the sliding block, a vent pipe is fixedly arranged on the upper side of the sliding block, the hole in the vent pipe is communicated with the inner hole of the sliding block, the vent pipe is in sliding connection with the dust removal block, the sliding block is connected with the lower side wall of the recovery cavity and provided with a spring telescopic rod, a condensation spraying cavity is arranged in the condensation spraying block, and a condensation spraying device is arranged in the condensation spraying cavity, spraying device is used for wasing the impurity dust on the filter screen, the intracavity that removes dust is equipped with dust collector, and dust collector is arranged in filtering the impurity dust that produces in the waste gas after the steel production, the casing downside is equipped with the air inlet, the casing left side is equipped with the water inlet, the casing right side is equipped with, the casing upside is equipped with the gas outlet.
Preferably, recovery unit is including fixing retrieve the intracavity fixation and be equipped with the fixed block, the fixed block with the sliding block is connected and is equipped with the wall expansion loop, it has separated to cut off the expansion loop outer hole and hole on the sliding block, the fixed internal fixation of fixed block is equipped with the contact piece, the through-hole of contact piece downside with the through-hole of fixed block is connected, the contact piece internal rotation is equipped with retrieves the axle, retrieve epaxial fixed recovery piece that is equipped with, retrieve the piece with contact piece inside wall sliding connection, the water inlet lets in the cooling water, contact piece surface and cooling water contact.
Preferably, the condensation spraying device treasure house is fixed a detection switch on the lower side of the condensation spraying block, a condensation plate is fixedly arranged on the upper side of the condensation spraying block, and a sprayer is fixedly arranged on the lower side of the condensation spraying block.
Preferably, dust collector is including fixing the dog of dust removal piece upside, the fixed six regulating blocks that are equipped with on the dog, the articulated regulation pole that is equipped with on the regulating block, the fixed six pairs of adjusting lever that are equipped with on the breather pipe, it is every right slide on the regulation pole and be equipped with the slip dog, every the slip dog with the breather pipe slides and sets up.
Preferably, each sliding stop block is hinged to the adjusting rod, the sliding stop blocks slide to open and close six vent holes in the vent pipe, and a collecting box is fixedly arranged on the lower side of the dust removing block.
Preferably, the fixed plate that removes dust is equipped with in the dust removal piece, the fixed plate that removes dust with the fixed filter screen that is equipped with of dust removal piece, the fixed plate internal fixation is equipped with the fixed plate in the dust removal piece, the fixed plate downside rotates and is equipped with the axle that removes dust, the axle that removes dust with the fixed plate that removes dust rotates to be connected, the axle that removes dust stretches out the fixed plate that removes dust, the fixed clearance brush that is equipped with of axle downside that removes dust, clearance brush upside with filter screen downside sliding connection, the fixed branch fan that is equipped with of the epaxial side that removes dust.
Waste gas generated by steel enters the device from the air inlet and is stored at the lower side of the device, when the waste gas in the device is not much, the sliding block extrudes the spring telescopic rod due to the action of gravity, and simultaneously, the sliding block descends to drive the vent pipe to slide downwards, so that the sliding stop block stretches the adjusting rod, and simultaneously, the sliding stop block slides on the adjusting rod to block holes on the vent pipe, so that the waste gas in the recovery cavity cannot flow out through the vent pipe, when the waste gas in the recovery cavity is stored to a certain degree, the air pressure in the recovery cavity is increased, so that the gas pushes the sliding block to move upwards, and simultaneously, the vent pipe is driven to move upwards, so that the adjusting rod slides, a through hole on the vent pipe is opened, so that the gas can pass through, the waste gas firstly enters the contact block from the sliding block, the recovery shaft is driven to rotate, and the recovery block intermittently enables quantitative waste gas to contact with the contact block, and then cooling water is introduced from the water inlet, so that heat in the waste gas is transferred to the cooling water through the contact block, the cooling water is heated after absorbing the heat of the waste gas, the heated cooling water is discharged and utilized, the device can absorb the heat in the waste gas, the heat can be recycled, and the energy in the waste gas is not easily lost.
Get into the dust removal piece when waste gas from the breather pipe in, make waste gas pass through the filter screen, make the impurity dust in the waste gas can filter on the filter screen, and waste gas drives the branch fan through passing the fan and rotates, make the dust removal axle rotate, and drive the rotation of cleaning brush, make the cleaning brush scrape the impurity dust on the filter screen, make the filter screen can not blockked up, solid impurity in the waste gas after this device can filter steel production, and can be ceaselessly get rid of the dust on the filter screen in filtering process, prevent the jam of filter screen.
In the cooling water by the heating process, can produce a large amount of vapor, and carry out the heap and gather in the device, after the vapor heap in the device gathers to a certain extent, the detection switch is opened, make vapor get into the condensation and spray the piece in, and contact in the condensation board downside, and condense, make vapor condense into the water droplet at the condensation board downside, and spray the piece downside and store in the piece at the condensation, and spray the comdenstion water on the filter screen through the sprinkler, the solid impurity that will scrape down, wash down, and fall and store in the collecting box and collect, this device can retrieve the water that is evaporated, and carry out the condensation recovery with the evaporation water, and spray on the filter screen, wash the filter screen, the high-efficient utilization of the water resource of realization and the maintenance to the filter screen, make the life-span of filter screen increase.
Compared with the prior art, this dust collector that steel production utilized heat recovery has following advantage:
1. the heat in the waste gas can be absorbed and recycled, so that the energy in the waste gas is not easily lost.
2. Can filter solid impurities in the waste gas after steel production, and can continuously remove dust on the filter screen in the filtering process to prevent the filter screen from being blocked.
3. Can retrieve by the evaporation water to carry out the condensation with the evaporation water and retrieve, and spray on the filter screen, wash the filter screen, the high-efficient utilization of the water resource of realization and the maintenance to the filter screen make the life-span of filter screen increase.
Drawings
FIG. 1 is a schematic structural diagram of a dust removing device for steel production by heat recovery.
Fig. 2 is a sectional view taken along a line a-a in fig. 1.
Fig. 3 is an enlarged view of the structure at B in fig. 2.
Fig. 4 is a sectional view taken along line C-C in fig. 2.
Fig. 5 is an enlarged view of the structure at D in fig. 2.
In the figure, 10, the housing; 11. condensing the spraying block; 12. a water inlet; 14. a contact block; 15. recovering the shaft; 16. a fixed block; 17. a partition expansion ring; 18. a slider; 19. a recovery chamber; 20. an air inlet; 21. a detection switch; 22. a condensing plate; 23. an air outlet; 24. a sprinkler; 27. recovering the blocks; 29. a spring telescopic rod; 30. a dust removal block; 31. a stopper; 32. an adjusting block; 33. adjusting a rod; 34. adjusting a rod; 36. a breather pipe; 37. a sliding stopper; 38. dividing the fan; 39. a dust removal shaft; 40. cleaning a brush; 41. a filter screen; 42. a condensation spray chamber; 43. A dust removal cavity; 44. a collection box; 45. a fixing plate; 46. dust removal fixed plate.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, a dust collector for recycling heat energy in steel production comprises a shell 10, the shell 10 comprises a shell 10, a recycling cavity 19 is arranged in the shell 10, a recycling device is arranged in the recycling cavity 19 and used for recycling heat energy of waste gas generated after steel production, the recycling device comprises a condensation spraying block 11 fixed on the upper side of the recycling cavity 19, the upper side of the condensation spraying block 11 is in contact with the outer side of the shell 10, a dust removing block 30 is fixedly arranged on the lower side of the condensation spraying block 11, a sliding block 18 is slidably arranged on the lower side of the recycling cavity 19, an outer hole and an inner hole are arranged in the sliding block 18, a vent pipe 36 is fixedly arranged on the upper side of the sliding block 18, a hole in the vent pipe 36 is communicated with the inner hole of the sliding block 18, the vent pipe 36 is slidably connected with the dust removing block 30, a spring telescopic rod 29 is connected on the lower side wall of the sliding block 18 and the recycling cavity 19, and a condensation spraying cavity 42 is arranged in the condensation spraying block 11, the condensation sprays the intracavity and is equipped with condensation sprinkler in 42, and sprinkler is used for wasing the impurity dust on the filter screen, is equipped with dust collector in the dust removal chamber 43, and dust collector is arranged in filtering the impurity dust that produces in the waste gas after the steel production, and the casing 10 downside is equipped with air inlet 20, and the casing 10 left side is equipped with water inlet 12, and the casing 10 right side is equipped with 25, and the casing 10 upside is equipped with gas outlet 23.
As shown in fig. 1 and 2, the recovery device comprises a fixed block 16 fixed in a recovery cavity 19, the fixed block 16 is connected with a sliding block 18 and provided with a partition expansion ring 17, the partition expansion ring 17 partitions an outer hole and an inner hole in the sliding block 18, a contact block 14 is fixed in the fixed block 16, a through hole on the lower side of the contact block 14 is connected with a through hole in the fixed block 16, a recovery shaft 15 is arranged in the contact block 14 in a rotating manner, a recovery block 27 is fixedly arranged on the recovery shaft 15, the recovery block 27 is connected with the inner side wall of the contact block 14 in a sliding manner, cooling water is introduced into a water inlet 12, and the outer surface of the contact block 14 is in contact with the cooling water.
As shown in fig. 1 and 2, the condensation spraying device treasure house is fixed on a detection switch 21 at the lower side of the condensation spraying block 11, a condensation plate 22 is fixed at the upper side of the condensation spraying block 11, and a sprayer 24 is fixed at the lower side of the condensation spraying block 11.
As shown in fig. 3, 4 and 5, the dust removing device includes a stopper 31 fixed on the upper side of the dust removing block 30, six adjusting blocks 32 are fixed on the stopper 31, an adjusting rod 33 is hinged on the adjusting block 32, six pairs of adjusting rods 34 are fixed on the vent pipe 36, a sliding stopper 37 is slidably arranged on each pair of adjusting rods 34, and each sliding stopper 37 is slidably arranged with the vent pipe 36.
As shown in figures 3, 4 and 5, each sliding block 37 is hinged with the adjusting rod 33, the sliding blocks 37 open and close six vent holes on the vent pipe 36 in a sliding mode, and a collecting box 44 is fixedly arranged on the lower side of the dust removing block 30.
As shown in fig. 3, 4 and 5, a dust-removing fixing plate 46 is fixedly arranged in the dust-removing block 30, a filter screen 41 is fixedly arranged on the dust-removing fixing plate 46 and the dust-removing block 30, a fixing plate 45 is fixedly arranged in the dust-removing block 30, a dust-removing shaft 39 is rotatably arranged on the lower side of the fixing plate 45, the dust-removing shaft 39 is rotatably connected with the dust-removing fixing plate 46, the dust-removing shaft 39 extends out of the dust-removing fixing plate 46, a cleaning brush 40 is fixedly arranged on the lower side of the dust-removing shaft 39, the upper side of the cleaning brush 40 is slidably connected with the lower side of the filter screen 41, and a sub-fan 38 is fixedly arranged on the upper side of the dust-removing shaft 39.
Waste gas generated by steel enters the device from the air inlet 20 and is stored at the lower side of the device, when the waste gas in the device is not much, the sliding block 18 enables the sliding block 18 to extrude the spring telescopic rod 29 due to the action of gravity, the sliding block 18 descends to drive the vent pipe 36 to slide downwards, the sliding stop 37 stretches the adjusting rod 33, the sliding stop 37 slides on the adjusting rod 34 to block a hole on the vent pipe 36, the waste gas in the recovery cavity 19 cannot flow out through the vent pipe 36, when the waste gas in the recovery cavity 19 is stored to a certain degree, the pressure in the recovery cavity 19 is increased, the gas pushes the sliding block 18 to move upwards, the vent pipe 36 is driven to move upwards, the adjusting rod 34 is driven to slide, the through hole on the vent pipe 36 is opened, the gas can pass, the waste gas enters the contact block 14 from the sliding block 18 to drive the recovery shaft 15 to rotate, the recycling block 27 is rotated, quantitative waste gas is intermittently contacted with the contact block 14, cooling water is introduced from the water inlet 12, heat in the waste gas is transferred to the cooling water through the contact block 14, the cooling water is heated after absorbing the heat of the waste gas, the heated cooling water is discharged from the water inlet 25 for utilization, the device can absorb the heat in the waste gas, the heat can be recycled, and energy in the waste gas is not easily lost.
When waste gas gets into dust removal piece 30 from breather pipe 36, make waste gas pass through filter screen 41, make the impurity dust in the waste gas can filter on filter screen 41, and waste gas passes through fan 38 and drives fan 38 rotation, make dust removal shaft 39 rotate, and drive cleaning brush 40 and rotate, make cleaning brush 40 scrape the impurity dust on the filter screen 41, make filter screen 41 can not be blockked up, the solid impurity in the waste gas after this device can filter steel production, and can be incessantly in the filtering process get rid of the dust on the filter screen, prevent the jam of filter screen.
In the process that the cooling water is heated, a large amount of water vapor can be generated, the water vapor is accumulated in the device, after the water vapor in the device is accumulated to a certain degree, the detection switch 21 is opened, the water vapor enters the condensation spraying block 11 and contacts the lower side of the condensation plate 22 and condenses, the water vapor condenses to water drops on the lower side of the condensation plate 22 and is stored on the lower side of the condensation spraying block 11, the condensed water is sprayed on the filter screen 41 through the sprayer 24, the scraped solid impurities are washed and fall into the collection box 44 for storage and collection, the device can recover the evaporated water and condense and recover the evaporated water, the evaporated water is sprayed on the filter screen and is cleaned, the efficient utilization of water resources and the maintenance of the filter screen are realized, and the service life of the filter screen is prolonged.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a dust collector that steel production utilized heat recovery, includes casing (10), its characterized in that, be equipped with in casing (10) and retrieve chamber (19), retrieve and be equipped with recovery unit in chamber (19), recovery unit is used for the heat recovery of steel production back production waste gas, and recovery unit is including fixing retrieve condensation of chamber (19) upside and spray piece (11), condensation sprays piece (11) upside with casing (10) outside contact, condensation sprays piece (11) downside and is fixed and is equipped with dust removal piece (30), it is equipped with sliding block (18) to retrieve inboard slip in chamber (19), be equipped with outer hole and hole in sliding block (18), sliding block (18) upside is fixed and is equipped with breather pipe (36), hole in breather pipe (36) with the hole intercommunication of sliding block (18), breather pipe (36) with dust removal piece (30) sliding connection, sliding block (18) with retrieve chamber (19) downside wall connection and be equipped with spring telescopic link (29), the condensation sprays to be equipped with in piece (11) the condensation and sprays chamber (42), the condensation sprays to be equipped with condensation sprinkler in chamber (42), and sprinkler is used for wasing the impurity dust on the filter screen, be equipped with dust collector in dust collection chamber (43), dust collector is arranged in filtering the impurity dust that produces in the waste gas after the steel production, casing (10) downside is equipped with air inlet (20), casing (10) left side is equipped with water inlet (12), casing (10) right side is equipped with (25), casing (10) upside is equipped with gas outlet (23).
2. The dust collector for steel production by heat energy recovery according to claim 1, characterized in that: recovery unit is including fixing it is equipped with fixed block (16) to retrieve chamber (19) internal fixation, fixed block (16) with sliding block (18) are connected and are equipped with and cut off the expansion ring (17), cut off expansion ring (17) and have separated outer hole and hole on sliding block (18), fixed block (16) internal fixation is equipped with contact piece (14), the through-hole of contact piece (14) downside with the through-hole of fixed block (16) is connected, contact piece (14) internal rotation is equipped with retrieves axle (15), it retrieves piece (27) to fix on retrieving axle (15) to be equipped with, retrieve piece (27) with contact piece (14) inside wall sliding connection, water inlet (12) let in the cooling water, contact piece (14) surface and cooling water contact.
3. The dust collector for steel production by heat energy recovery according to claim 2, characterized in that: the treasure house of the condensation spraying device is fixed on a detection switch (21) on the lower side of the condensation spraying block (11), a condensation plate (22) is fixedly arranged on the upper side of the condensation spraying block (11), and a sprayer (24) is fixedly arranged on the lower side of the condensation spraying block (11).
4. The dust collector for steel production by heat energy recovery according to claim 3, characterized in that: dust collector is including fixing dog (31) of dust removal piece (30) upside, the fixed six regulating blocks (32) that are equipped with on dog (31), articulated on regulating block (32) are equipped with regulation pole (33), fixed six pairs of regulating stems (34) that are equipped with on breather pipe (36), it is every right it is equipped with slip dog (37) to slide on regulation pole (34), every slip dog (37) with breather pipe (36) slide and set up.
5. The dust collector for steel production by heat energy recovery according to claim 4, wherein: every slide block (37) with adjust pole (33) articulated, slide block (37) slip switching six air vents on breather pipe (36), dust removal piece (30) downside is fixed and is equipped with collecting box (44).
6. The dust collector for steel production by heat energy recovery according to claim 5, wherein: the utility model discloses a dust removal device, including dust removal piece (30), dust removal piece (30) internal fixation is equipped with dust removal fixed plate (46), dust removal fixed plate (46) with dust removal piece (30) are fixed and are equipped with filter screen (41), dust removal piece (30) internal fixation is equipped with fixed plate (45), fixed plate (45) downside is rotated and is equipped with dust removal axle (39), dust removal axle (39) with dust removal fixed plate (46) are rotated and are connected, dust removal axle (39) stretch out dust removal fixed plate (46), the fixed clearance brush (40) that is equipped with of dust removal axle (39) downside, clearance brush (40) upside with filter screen (41) downside sliding connection, the fixed branch fan (38) that is equipped with of dust removal axle (39) upside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480312.3A CN114259816B (en) | 2021-12-06 | 2021-12-06 | Steel production utilizes heat recovery's dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480312.3A CN114259816B (en) | 2021-12-06 | 2021-12-06 | Steel production utilizes heat recovery's dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN114259816A true CN114259816A (en) | 2022-04-01 |
| CN114259816B CN114259816B (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111480312.3A Active CN114259816B (en) | 2021-12-06 | 2021-12-06 | Steel production utilizes heat recovery's dust collector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971905A (en) * | 2019-03-26 | 2019-07-05 | 东北大学 | A kind of system and method producing exhaust gas optimization HIsmelt melting and reducing using steel |
| CN210952387U (en) * | 2019-10-11 | 2020-07-07 | 华林特钢集团有限公司 | Steel smelting waste heat recycling device |
| CN211799817U (en) * | 2019-11-08 | 2020-10-30 | 湖北楚宇石化设备有限公司 | Organic waste gas purification recovery unit |
| CN113605956A (en) * | 2021-07-06 | 2021-11-05 | 厦门忆语垚贸易有限公司 | Mine air cleaning device |
-
2021
- 2021-12-06 CN CN202111480312.3A patent/CN114259816B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971905A (en) * | 2019-03-26 | 2019-07-05 | 东北大学 | A kind of system and method producing exhaust gas optimization HIsmelt melting and reducing using steel |
| CN210952387U (en) * | 2019-10-11 | 2020-07-07 | 华林特钢集团有限公司 | Steel smelting waste heat recycling device |
| CN211799817U (en) * | 2019-11-08 | 2020-10-30 | 湖北楚宇石化设备有限公司 | Organic waste gas purification recovery unit |
| CN113605956A (en) * | 2021-07-06 | 2021-11-05 | 厦门忆语垚贸易有限公司 | Mine air cleaning device |
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| CN114259816B (en) | 2023-02-17 |
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Effective date of registration: 20230117 Address after: South side of Dongdao Road, Fengnan District, Tangshan City, Hebei Province, 063300 Applicant after: HEBEI HUATONG HEAVY MACHINERY MANUFACTURING CO.,LTD. Address before: No. 88, South daojiawei, Yunhe street, Yuhang District, Hangzhou, Zhejiang 311103 Applicant before: Hangzhou Xinmao material recycling Co.,Ltd. |
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