CN215832500U - Coke oven flue gas waste heat recovery device after denitration - Google Patents

Coke oven flue gas waste heat recovery device after denitration Download PDF

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Publication number
CN215832500U
CN215832500U CN202122053383.7U CN202122053383U CN215832500U CN 215832500 U CN215832500 U CN 215832500U CN 202122053383 U CN202122053383 U CN 202122053383U CN 215832500 U CN215832500 U CN 215832500U
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waste heat
heat recovery
flue gas
recovery device
box body
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CN202122053383.7U
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Chinese (zh)
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王建坤
杨楹
董长顺
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Shandong Fuyuan Energy Saving Environmental Protection Engineering Co ltd
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Shandong Fuyuan Energy Saving Environmental Protection Engineering Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The utility model discloses a denitration coke oven flue gas waste heat recovery device, and belongs to the technical field of waste heat recovery. The utility model discloses a denitration coke oven flue gas waste heat recovery device, which comprises a box body, wherein air guide pipes communicated with the box body are arranged on two sides of the box body, the two sides of the box body are respectively provided with a leading-in pipe communicated with the box body, the two leading-in pipes are communicated with each other through a bent pipe, a scraping ring is sleeved on the outer side of the bent pipe and is positioned on the bending section and the straight line section of the bent pipe, a fixing plate is fixedly sleeved outside the bent pipe and positioned on the straight line section, and the fixing plate is fixedly connected with the adjacent scraping ring through an elastic piece.

Description

Coke oven flue gas waste heat recovery device after denitration
Technical Field
The utility model relates to the technical field of waste heat recovery, in particular to a denitration coke oven flue gas waste heat recovery device.
Background
The coke oven flue gas is subjected to denitration treatment, the flue gas subjected to denitration treatment contains waste heat, and the waste heat can be recycled, so that a waste heat recovery device is needed, and the conventional waste heat recovery device is internally provided with a bent pipe for conveying water, so that the waste heat in the flue gas is transferred to the water through the bent pipe to realize the recycling of the waste heat.
When the existing waste heat recovery device is used, particle impurities in smoke are prone to being attached to a bent pipe used for absorbing smoke waste heat, the situation that heat transfer performance of the bent pipe is reduced due to excessive attachment of the impurities can occur in the past for a long time, the existing waste heat recovery device does not have a smoke filtering function when being used, and the using requirement cannot be met, and therefore the denitration coke oven smoke waste heat recovery device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that particle impurities in flue gas are easy to adhere to a bent pipe of a waste heat recovery device in the prior art, and the heat transfer performance of the bent pipe is reduced due to excessive impurity adhesion for a long time.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a coke oven flue gas waste heat recovery device after denitration, includes the box, the both sides of box all are equipped with the air duct rather than the intercommunication, the both sides of box all are equipped with the inlet tube rather than the intercommunication, two communicate through the return bend between the inlet tube, the outside cover of return bend is equipped with the scraping ring, the scraping ring is located the bending section and the straightway of return bend, the outside of return bend just is located the fixed cover in straightway position and is equipped with the fixed plate, the fixed plate passes through elastic component and adjacent scraping ring fixed connection, the inside of box is equipped with and is used for driving the gliding drive assembly of scraping ring.
In order to drive the scraper ring and slide, preferably, drive assembly installs a pair of bull stick that distributes about being in the box inside including rotating, the bull stick rotates through the pivot with the scraper ring that is located the bending section between and installs the backup pad, the one end and the scraper ring fixed connection of bull stick are kept away from to the backup pad, the one end fixed mounting that the backup pad is close to the bull stick has sector gear, the outside of bull stick is equipped with the line and overlaps the slider that is equipped with and matches with the line, the outside of slider is equipped with the tooth with sector gear meshing, one side fixed mounting that the scraper ring that is located the bending section was kept away from to the slider has the drive block, is located the straightway the outside fixed mounting of scraper ring has with drive block complex actuating lever, the outside of box is equipped with drive bull stick pivoted transmission assembly.
In order to drive the rotating rod to rotate, preferably, the transmission assembly comprises a motor fixedly installed on the outer side of the box body, an output shaft of the motor penetrates through the box body and is fixedly connected with the rotating rod, one end, far away from the motor, of the rotating rod penetrates through the box body and extends to the outer portion of the box body, a chain wheel is fixedly installed on the outer portion of the rotating rod, and the two chain wheels are connected through a chain belt.
In order to filter the smoke, a filter screen is preferably arranged inside the air guide pipe close to one side of the chain wheel.
In order to clean the filter screen, preferably, a scraper is fixedly installed on the outer side of the chain wheel close to the air duct, and bristles are arranged on the inner side of the scraper.
In order to enable the drive rod to be driven by the drive block, the drive rod is preferably provided as a round rod and the drive block is provided as a triangular block-shaped member.
Compared with the prior art, the utility model provides a denitrated coke oven flue gas waste heat recovery device, which has the following beneficial effects:
1. according to the denitration coke oven flue gas waste heat recovery device, the driving assembly and the scraping ring are matched to scrape impurities on the surface of the bent pipe, so that the bent pipe can be cleaned, and the condition that the heat transfer performance of the bent pipe is reduced due to the fact that the impurities are attached to the bent pipe can be avoided;
2. according to the denitrated coke oven flue gas waste heat recovery device, the filter screen is arranged, so that particles in flue gas can be filtered, and the particles in the flue gas can be prevented from entering air;
3. this coke oven flue gas waste heat recovery device after denitration makes through the cooperation of sprocket, scraper blade, brush hair and to clean the filter screen, avoids its jam.
The utility model can scrape impurities attached to the bent section and the straight section of the bent pipe, realizes cleaning of the whole bent pipe, avoids the condition that the heat transfer performance of the bent pipe is reduced due to the attachment of the impurities to the bent pipe, has the function of filtering particles in smoke, can clean a filter screen, and is worthy of popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of a denitration coke oven flue gas waste heat recovery device provided by the utility model;
FIG. 2 is a structural schematic diagram of a denitration coke oven flue gas waste heat recovery device provided by the utility model as seen from the left.
In the figure: 1. a box body; 2. an introducing pipe; 3. bending the pipe; 4. scraping rings; 5. a rotating shaft; 6. a support plate; 7. a sector gear; 8. a rotating rod; 9. a slider; 10. a drive block; 11. a drive rod; 12. a fixing plate; 13. an elastic member; 14. a motor; 15. a sprocket; 16. an air duct; 17. filtering with a screen; 18. a scraper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, coke oven flue gas waste heat recovery device after denitration, including box 1, the both sides of box 1 all are equipped with rather than the air duct 16 of intercommunication, can inject the flue gas into in box 1 through air duct 16, and the inside of the air duct 16 that is close to sprocket 15 one side is equipped with filter screen 17, can filter the particulate matter that contains in the flue gas of injection through filter screen 17 for the particulate matter that contains in the flue gas when reducing the discharge realizes the filtration to the flue gas.
The two sides of the box body 1 are respectively provided with a leading-in pipe 2 communicated with the box body, the two leading-in pipes 2 are communicated with each other through a bent pipe 3, water can be led into the bent pipe 3 through the leading-in pipes 2, so that heat exchange of flue gas can be realized through the bent pipe 3, and water can be heated, the outer side of the bent pipe 3 is sleeved with a scraping ring 4, the scraping ring 4 is positioned at the bending section and the straight line section of the bent pipe 3, the scraping ring 4 can slide along the bending section and the straight line section of the bent pipe 3, so that impurities attached to the bent pipe 3 can be scraped, the bent pipe 3 can be cleaned, a fixing plate 12 is fixedly sleeved outside the bent pipe 3 and positioned at the straight line section, the fixing plate 12 is fixedly connected with the adjacent scraping ring 4 through an elastic piece 13, the elastic piece 13 is in a spring setting, so that the scraping ring 4 can be helped to reset, a driving assembly used for driving the scraping ring 4 to slide is arranged inside the box body 1, the driving assembly comprises a pair of rotating rods 8 which are rotatably arranged inside the box body 1 and distributed up and down, a supporting plate 6 is rotatably installed between the rotating rod 8 and the scraping ring 4 positioned in the bending section through a rotating shaft 5, the front end and the rear end of the rotating shaft 5 are respectively rotatably connected with the front inner wall and the rear inner wall of the box body 1 through bearings, one end of the supporting plate 6 far away from the rotating rod 8 is fixedly connected with the scraping ring 4, one end of the supporting plate 6 close to the rotating rod 8 is fixedly provided with a sector gear 7, the outer side of the rotating rod 8 is provided with grains and is sleeved with a sliding block 9 matched with the grains, the grains are set to be the grains of a reciprocating screw rod, when the rotating rod 8 rotates, the sliding block 9 can be driven by the grains to reciprocate left and right, the outer side of the sliding block 9 is provided with teeth meshed with the sector gear 7, one side of the sliding block 9 far away from the scraping ring 4 positioned in the bending section is fixedly provided with a driving block 10, the outer side of the scraping ring 4 positioned in the straight section is fixedly provided with a driving rod 11 matched with the driving block 10, the driving rod 11 is set to be a round rod, the rear end of the driving rod 11 is fixedly connected with the front surface of the scraping ring 4, the driving block 10 is arranged to be a triangular block-shaped component, and when the driving block 10 moves to be in contact with the driving rod 11, the driving rod 11 can be pressed by the inclined surface to move towards the direction close to the fixing plate 12.
The box 1 is provided with a transmission component for driving the rotating rod 8 to rotate.
The drive assembly includes motor 14 of fixed mounting in the box 1 outside, the output shaft of motor 14 passes box 1 and bull stick 8 fixed connection, the one end that motor 14 was kept away from to bull stick 8 passes box 1 and extends to its outside fixed mounting and have sprocket 15, connect through the chain belt between two sprocket 15, make its output shaft rotate through starter motor 14 and drive bull stick 8 of connecting and rotate and make to drive sprocket 15 that links and rotate and make to drive sprocket 15 rotation below through the chain belt and drive sprocket 15 rotation, sprocket 15 of below drives bull stick 8 of connection and rotates, make a pair of bull stick 8 rotate.
A scraper 18 is fixedly arranged on the outer side of the chain wheel 15 close to the air duct 16, and bristles are arranged on the inner side of the scraper 18, so that when the chain wheel 15 rotates, the scraper 18 is driven to rotate, and the filter screen 17 is cleaned by the matched bristles.
In the utility model, when in use, denitrated coke oven smoke is injected into the box body 1 through the air duct 16, the smoke is filtered by the filter screen 17 and then discharged through the air duct 16 at the other side, thereby realizing the purification of the smoke, preventing particulate matters in the smoke from entering the air, water can be introduced into the bent pipe 3 through the introducing pipe 2, so that the smoke can realize the heat exchange through the bent pipe 3, thereby heating the water, realizing the recycling of waste heat in the smoke, when the impurities attached on the bent pipe 3 need to be cleaned, the motor 14 is started to drive the output shaft of the motor to rotate to drive the connected rotating rod 8 to rotate, so as to drive the connected chain wheel 15 to rotate, the chain wheel 15 at the lower part drives the connected rotating rod 8 to rotate, so that the pair of rotating rods 8 rotate, the rotating rod 8 rotates to drive the slide block 9 to reciprocate left and right through grains, the sliding block 9 drives the fan-shaped gear 7 to swing through the teeth, so that the scraping ring 4 connected with the sliding block 6 is driven to move along the bending section of the bent pipe 3 through the supporting plate 6, impurities in the bending section are scraped, cleaning is achieved, the driving block 10 is driven to move along with the sliding block 9, the driving block 10 moves to be in contact with the driving rod 11 to drive the driving rod to move towards the direction close to the fixing plate 12, the driving ring 4 is driven to move along with the driving rod to scrape the impurities on the straight section of the bent pipe 3, cleaning of the impurities is achieved, the elastic piece 13 is compressed to deform the elastic piece 13 to generate acting force when the scraping ring 4 moves, when the driving block 10 leaves the driving rod 11, the elastic piece 13 releases the acting force to drive the scraping ring 4 to reset, the impurities are scraped again, cleaning of the straight section of the bent pipe 3 is achieved, cleaning of the whole bent pipe 3 is finally achieved, and the situation that the heat transfer performance of the impurities is reduced due to the bent pipe 3 can be avoided, when the chain wheel 15 rotates, the scraper 18 is driven to rotate, so that the filter screen 17 is cleaned by matching with the bristles, and the filter screen 17 can be prevented from being blocked.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a coke oven flue gas waste heat recovery device after denitration, includes box (1), its characterized in that, the both sides of box (1) all are equipped with air duct (16) rather than the intercommunication, the both sides of box (1) all are equipped with induction pipe (2) rather than the intercommunication, two through return bend (3) intercommunication between induction pipe (2), the outside cover of return bend (3) is equipped with scraping ring (4), scraping ring (4) are located the bending section and the straightway of return bend (3), the outside of return bend (3) just is located the fixed cover in straightway position and is equipped with fixed plate (12), fixed plate (12) are through elastic component (13) and adjacent scraping ring (4) fixed connection, the inside of box (1) is equipped with and is used for driving scraper ring (4) gliding drive assembly.
2. The denitrated coke oven flue gas waste heat recovery device of claim 1, wherein the driving assembly comprises a pair of rotating rods (8) which are rotatably arranged inside the box body (1) and vertically distributed, a supporting plate (6) is rotatably arranged between the rotating rods (8) and the scraping ring (4) positioned at the bending section through a rotating shaft (5), one end of the supporting plate (6) far away from the rotating rods (8) is fixedly connected with the scraping ring (4), a sector gear (7) is fixedly arranged at one end of the supporting plate (6) close to the rotating rods (8), a pattern is arranged on the outer side of each rotating rod (8) and sleeved with a sliding block (9) matched with the pattern, teeth meshed with the sector gear (7) are arranged on the outer side of each sliding block (9), a driving block (10) is fixedly arranged at one side of each sliding block (9) far away from the scraping ring (4) positioned at the bending section, the outer side of the scraping ring (4) located on the straight line section is fixedly provided with a driving rod (11) matched with a driving block (10), and the outer portion of the box body (1) is provided with a driving rotating rod (8) rotating transmission assembly.
3. The denitrated coke oven flue gas waste heat recovery device of claim 2, wherein the transmission assembly comprises a motor (14) fixedly mounted on the outer side of the box body (1), an output shaft of the motor (14) penetrates through the box body (1) and is fixedly connected with a rotating rod (8), one end, far away from the motor (14), of the rotating rod (8) penetrates through the box body (1) and extends to the outside of the box body to be fixedly provided with a chain wheel (15), and the two chain wheels (15) are connected through a chain belt.
4. The denitrated coke oven flue gas waste heat recovery device of claim 3, wherein a filter screen (17) is arranged inside the gas guide pipe (16) close to one side of the chain wheel (15).
5. The denitrated coke oven flue gas waste heat recovery device of claim 3, wherein a scraper (18) is fixedly mounted on the outer side of the chain wheel (15) close to the gas guide pipe (16), and bristles are arranged on the inner side of the scraper (18).
6. The denitrated coke oven flue gas waste heat recovery device of claim 2, wherein the driving rod (11) is a round rod, and the driving block (10) is a triangular block-shaped member.
CN202122053383.7U 2021-08-30 2021-08-30 Coke oven flue gas waste heat recovery device after denitration Active CN215832500U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122053383.7U CN215832500U (en) 2021-08-30 2021-08-30 Coke oven flue gas waste heat recovery device after denitration

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Application Number Priority Date Filing Date Title
CN202122053383.7U CN215832500U (en) 2021-08-30 2021-08-30 Coke oven flue gas waste heat recovery device after denitration

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CN215832500U true CN215832500U (en) 2022-02-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116336457A (en) * 2022-11-22 2023-06-27 山东京清节能环保科技有限公司 Device and method for heating desalted water by utilizing residual heat of desulfurization slurry
CN119281274A (en) * 2024-12-12 2025-01-10 中胶(内蒙古)新材料有限责任公司 Polymerization device and chloroprene solution polymerization method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116336457A (en) * 2022-11-22 2023-06-27 山东京清节能环保科技有限公司 Device and method for heating desalted water by utilizing residual heat of desulfurization slurry
CN116336457B (en) * 2022-11-22 2023-11-07 山东京清节能环保科技有限公司 Device and method for heating desalted water by utilizing residual heat of desulfurization slurry
CN119281274A (en) * 2024-12-12 2025-01-10 中胶(内蒙古)新材料有限责任公司 Polymerization device and chloroprene solution polymerization method

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