CN220749108U - Air path switching valve of heat accumulating kiln - Google Patents

Air path switching valve of heat accumulating kiln Download PDF

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Publication number
CN220749108U
CN220749108U CN202322521035.7U CN202322521035U CN220749108U CN 220749108 U CN220749108 U CN 220749108U CN 202322521035 U CN202322521035 U CN 202322521035U CN 220749108 U CN220749108 U CN 220749108U
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hole
partition plate
plate
pipe
smoke exhaust
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CN202322521035.7U
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Chinese (zh)
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张海涛
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Zibo Xingzhi Kiln Co ltd
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Zibo Xingzhi Kiln 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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Abstract

The utility model discloses a heat accumulating kiln air path switching valve, and belongs to the technical field of heat accumulating rotary kilns/converters, mesh belt kilns, high-temperature shuttle kilns, custom-made kilns and other equipment. The valve plate comprises a valve plate main body and a valve core partition plate, wherein the valve plate main body comprises an upper clamping plate and a lower clamping plate, a guide rail frame body is arranged between the upper clamping plate and the lower clamping plate, and a left partition plate and a right partition plate are arranged in the guide rail frame body in a sliding manner; a cylinder is fixed on the outer wall of the valve plate main body, a telescopic shaft of the cylinder is connected with one ends of a left connecting rod and a right connecting rod through a flashboard, and the other ends of the left connecting rod and the right connecting rod are respectively inserted into the right space of the left space of the guide rail frame body and are respectively connected with a left baffle plate and a right baffle plate; a left through hole is formed in one end, far away from the left connecting rod, of the left partition plate, and a right through hole is formed in one end, close to the right connecting rod, of the right partition plate. The utility model can control the opening and closing of the air inlet pipe and the smoke exhaust pipe of the heat storage burner, has good sealing performance and strong durability, and can not generate the phenomenon of clamping deformation or air leakage due to long-time use in a high temperature state.

Description

Air path switching valve of heat accumulating kiln
Technical Field
The utility model belongs to the technical field of equipment such as regenerative rotary kilns/converters, mesh belt kilns, high-temperature shuttle kilns, custom kilns and the like, and particularly relates to an air path switching valve of a regenerative kiln.
Background
The regenerative kiln equipment is generally equipped with natural gas/liquefied gas regenerative burners for providing roasting heat energy, for example, the applicant applies for publication No. CN219318427U in 2023, 4 and 20, and the chinese utility model patent with the patent name of a regenerative burner is that air and gas are mixed, and then are ignited and sprayed from burners arranged on two sides of the kiln body, and the two burners are alternately used to be used as channels for air outlet or air inlet. The burners on each side are connected with a gas flow pipe belonging to the same side, and the gas flow pipes are respectively connected with a gas inlet pipe and a smoke exhaust pipe through a tee joint device, and the gas inlet pipes and the smoke exhaust pipes on the same side are alternately opened in the operation process. In the actual operation process, when one burner is opened, external combustion air enters the burner through the air inlet pipe and the air flow pipe at the side, and is mixed with fuel gas to burn so as to provide heat energy, and the smoke exhaust pipe at the side is in a closed state; when the operation is switched to the operation of the burner on the other side, the burner on the other side bears an exhaust task, and at the moment, the smoke exhaust pipe of the burner on the other side is opened, and the air inlet pipe is closed. In the actual use process, because the pipeline bears larger wind pressure impact, the electromagnetic valve is easy to damage if the electromagnetic valve is used in the structure, and the problem of air leakage often occurs when the valve body with a mechanical structure is used.
In view of the above, the applicant designs a heat storage kiln air path switching valve which can be applied to the opening and closing control of an air inlet pipe and a smoke exhaust pipe of a heat storage burner, and is firm, durable and high in sealing performance.
Disclosure of Invention
The utility model aims to provide a heat accumulating kiln air path switching valve so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the heat accumulating kiln air path switching valve comprises a valve plate main body and a valve core partition plate, wherein the valve plate main body comprises an upper clamping plate and a lower clamping plate, a guide rail frame body is arranged between the upper clamping plate and the lower clamping plate, a left upper connecting pipe through hole and a left lower connecting pipe through hole are correspondingly formed in the left sides of the middle parts of the upper clamping plate and the lower clamping plate respectively, and a right upper connecting pipe through hole and a right lower connecting pipe through hole are correspondingly formed in the right sides of the middle parts of the upper clamping plate and the lower clamping plate respectively; the guide rail frame body is in a Chinese character 'ri' shape, the valve core partition plate comprises a left partition plate and a right partition plate, the left partition plate is arranged in the left space of the guide rail frame body in a sliding manner, and the right partition plate is arranged in the right space of the guide rail frame body in a sliding manner; a cylinder is fixed on the outer wall of the valve plate main body through a cylinder supporting plate, a telescopic shaft of the cylinder is connected with one ends of a left connecting rod and a right connecting rod through a flashboard, and the other ends of the left connecting rod and the right connecting rod are respectively inserted into a right space of a left space of the guide rail frame body and are respectively connected with a left baffle plate and a right baffle plate; a left through hole is formed in one end, far away from the left connecting rod, of the left partition plate, and a right through hole is formed in one end, close to the right connecting rod, of the right partition plate.
Preferably, the air-conditioning system further comprises an air inlet pipe, a smoke exhaust pipe, a three-way connecting pipe and an air flow pipe, wherein the air flow pipe is respectively communicated with the air inlet pipe and the smoke exhaust pipe through the three-way connecting pipe; the air inlet pipe comprises an upper air inlet pipe and a lower air inlet pipe, the smoke exhaust pipe comprises an upper smoke exhaust pipe and a lower smoke exhaust pipe, the upper air inlet pipe and the lower air inlet pipe are respectively and coaxially installed and fixed on an upper right connecting pipe through hole and a lower right connecting pipe through hole, and the upper smoke exhaust pipe and the lower smoke exhaust pipe are respectively and coaxially installed and fixed on an upper left connecting pipe through hole and a lower left connecting pipe through hole.
Preferably, when the telescopic shaft of the air cylinder extends to the upper limit, the left through hole on the left partition plate is aligned with the left upper connecting pipe through hole and the left lower connecting pipe through hole, at the moment, the upper smoke exhaust pipe and the lower smoke exhaust pipe are in a passage state, the right through hole on the right partition plate is completely staggered with the right upper connecting pipe through hole and the right lower connecting pipe through hole, and the upper air inlet pipe and the lower air inlet pipe are in a completely non-communication state;
when the telescopic shaft of the air cylinder is retracted to the lower limit, the right through hole on the right partition plate is aligned with the right upper connecting pipe through hole and the right lower connecting pipe through hole, the upper air inlet pipe and the lower air inlet pipe are in a passage state, the left through hole on the left partition plate is completely staggered with the left upper connecting pipe through hole and the left lower connecting pipe through hole, and the upper smoke exhaust pipe and the lower smoke exhaust pipe are in a completely non-communication state.
Preferably, the sealing assembly comprises a sliding sealing plate and a sealing sleeve, wherein the sliding sealing plate comprises a rectangular plate body, a circular through hole with the same diameter as the left through hole or the right through hole is formed in the rectangular plate body, the upper end peripheral wall of the sealing sleeve is arranged in the lower end inner peripheral wall of the upper air inlet pipe or the upper smoke exhaust pipe in a sliding sealing manner, and the lower end peripheral wall of the sealing sleeve is fixed on the inner peripheral wall of the circular through hole in a sealing manner; four corners of the upper end face of the rectangular plate body are fixed on the lower bottom face of the left partition plate or the right partition plate through spring telescopic shafts.
Preferably, more than three pulleys are respectively arranged on two sides of the lower bottom surface of the rectangular plate body, arc-shaped sliding grooves with shallow middle depth at two ends are respectively formed on a left partition plate corresponding to two sides of the left through hole or a right partition plate corresponding to two sides of the right through hole, and when the left partition plate or the right partition plate moves in a reciprocating mode, the pulleys can correspondingly slide in or slide out of the arc-shaped sliding grooves.
Preferably, a foam gasket is mounted on the lower bottom surface of the rectangular plate body.
Compared with the prior art, the utility model has the beneficial effects that:
the air path switching valve of the heat storage kiln can be applied to pipeline control of the heat storage burner, particularly, the opening and closing control of the air inlet pipe and the smoke exhaust pipe of the heat storage burner is realized, the sealing performance is good, the durability is strong, and the phenomenon of clamping deformation or air leakage can not occur due to long-time use under high air pressure and high temperature conditions. In addition, this device still is provided with seal assembly, can further cooperate the slip of case baffle, the clearance of dynamic seal pipeline and case baffle improves the leakproofness that the device used.
Drawings
Fig. 1 is a schematic general perspective view of a first embodiment;
FIG. 2 is a schematic view of the mounting structure and position of a valve core diaphragm according to the first embodiment;
fig. 3 is a schematic structural diagram of a second embodiment.
In the figure: 1. an upper smoke exhaust pipe; 2. an upper clamping plate; 3. a guide rail frame; 4. a lower clamping plate; 5. a lower smoke exhaust pipe; 6. a three-way connecting pipe; 7. a gas flow tube; 8. a lower air inlet pipe; 9. a cylinder support plate; 10. a cylinder; 11. a flashboard; 12. a right connecting rod; 13. a left connecting rod; 14. an upper air inlet pipe; 15. a right through hole; 16. a right partition; 17. a left partition plate; 18. a left through hole; 19. a sealing sleeve; 20. sliding the sealing plate; 21. a spring telescopic shaft; 22. an arc chute; 23. and (3) a pulley.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-2, the present utility model provides a technical solution: the heat accumulating kiln air path switching valve comprises a valve plate main body and a valve core partition plate, wherein the valve plate main body comprises an upper clamping plate 2 and a lower clamping plate 4, a guide rail frame body 3 is arranged between the upper clamping plate 2 and the lower clamping plate 4, an upper left connecting pipe through hole and an upper left connecting pipe through hole are correspondingly formed in the left sides of the middle parts of the upper clamping plate 2 and the lower clamping plate 4 respectively, and an upper right connecting pipe through hole are correspondingly formed in the right sides of the middle parts of the upper clamping plate 2 and the lower clamping plate 4 respectively; the guide rail frame body 3 is in a Chinese character 'ri' shape, the valve core partition plate comprises a left partition plate 17 and a right partition plate 16, the left partition plate 17 is arranged in the left space of the guide rail frame body 3 in a sliding manner, and the right partition plate 16 is arranged in the right space of the guide rail frame body 3 in a sliding manner; a cylinder 10 is fixed on the outer wall of the valve plate main body through a cylinder supporting plate 9, a telescopic shaft of the cylinder 10 is connected with one ends of a left connecting rod 13 and a right connecting rod 12 through a flashboard 11, and the other ends of the left connecting rod 13 and the right connecting rod 12 are respectively inserted into a right space of a left space of the guide rail frame body 3 and are respectively connected with a left partition plate 17 and a right partition plate 16; a left through hole 18 is formed in the end, far away from the left connecting rod 13, of the left partition plate 17, and a right through hole 15 is formed in the end, close to the right connecting rod 12, of the right partition plate 16.
The air inlet pipe, the smoke exhaust pipe, the three-way connecting pipe 6 and the air flow pipe 7 are also included, and the air flow pipe 7 is respectively communicated with the air inlet pipe and the smoke exhaust pipe through the three-way connecting pipe 6; the air inlet pipe comprises an upper air inlet pipe 14 and a lower air inlet pipe 8, the smoke exhaust pipe comprises an upper smoke exhaust pipe 1 and a lower smoke exhaust pipe 5, the upper air inlet pipe 14 and the lower air inlet pipe 8 are respectively coaxially installed and fixed on an upper right connecting pipe through hole and a lower right connecting pipe through hole, and the upper smoke exhaust pipe 1 and the lower smoke exhaust pipe 5 are respectively coaxially installed and fixed on an upper left connecting pipe through hole and a lower left connecting pipe through hole.
In order to ensure tightness, sealing strips or sealing rings with matched shapes can be arranged among the upper clamping plate 2, the lower clamping plate 4 and the guide rail frame body 3 during actual production of the device. Sealing rings are arranged between the upper clamping plate 2 and the upper smoke exhaust pipe 1 and the upper air inlet pipe 14, and between the lower clamping plate 4 and the lower smoke exhaust pipe 5 and the lower air inlet pipe 8.
When the telescopic shaft of the air cylinder 10 extends to the upper limit, the left through hole 18 on the left partition plate 17 is aligned with the left upper connecting pipe through hole and the left lower connecting pipe through hole, the upper smoke exhaust pipe 1 and the lower smoke exhaust pipe 5 are in a passage state at this time, the right through hole 15 on the right partition plate 16 is completely staggered with the right upper connecting pipe through hole and the right lower connecting pipe through hole, and the upper air inlet pipe 14 and the lower air inlet pipe 8 are in a completely non-communication state. When the telescopic shaft of the air cylinder 10 is retracted to the lower limit, the right through hole 15 on the right partition plate 16 is aligned with the right upper connecting pipe through hole and the right lower connecting pipe through hole, the upper air inlet pipe 14 and the lower air inlet pipe 8 are in a passage state, the left through hole 18 on the left partition plate 17 is completely staggered with the left upper connecting pipe through hole and the left lower connecting pipe through hole, and the upper smoke exhaust pipe 1 and the lower smoke exhaust pipe 5 are in a completely non-communication state.
The structure of the embodiment is simple, suitable and practical, the device is not easy to deform even if being in a high-temperature and high-wind pressure switching environment for a long time, the opening and the closing are smooth, the control is flexible, and the device is suitable for popularization in the industry.
Example 2
As shown in fig. 3, the embodiment further comprises a sealing assembly, the sealing assembly comprises a sliding sealing plate 20 and a sealing sleeve 19, the sliding sealing plate 20 comprises a rectangular plate body, a circular through hole with the same diameter as the left through hole 18 or the right through hole 15 is formed in the rectangular plate body, the outer peripheral wall of the upper end of the sealing sleeve 19 is sealed and sleeved in the inner peripheral wall of the lower end of the upper air inlet pipe 14 or the upper smoke exhaust pipe 1, and the outer peripheral wall of the lower end of the sealing sleeve 19 is fixed on the inner peripheral wall of the circular through hole in a sealing manner; four corners of the upper end surface of the rectangular plate body are fixed on the lower bottom surface of the left partition plate 17 or the right partition plate 16 through spring telescopic shafts 21.
More than three pulleys 23 are respectively arranged on two sides of the lower bottom surface of the rectangular plate body, arc-shaped sliding grooves 22 with shallow two ends and deep middle are respectively formed on the left partition plates 17 corresponding to two sides of the left through hole 18 or the right partition plates 16 corresponding to two sides of the right through hole 15, and when the left partition plates 17 or the right partition plates 16 reciprocate, the pulleys 23 can correspondingly slide in or slide out of the arc-shaped sliding grooves 22. A foam sealing pad is arranged on the lower bottom surface of the rectangular plate body.
When the sealing assembly is specifically used, the rectangular plate body of the sliding sealing plate 20 and the sealing sleeve 19 can be jacked along with the movement of the left partition plate 17 or the right partition plate 16, and meanwhile, the outer wall of the sealing sleeve body can slide along the inner wall of the upper air inlet pipe 14 or the upper smoke exhaust pipe 1 in a sealing way, so that the left partition plate 17 sliding below the upper air inlet pipe 14 or the right partition plate 16 sliding below the upper smoke exhaust pipe 1 can be in sealing butt joint through the sealing sleeve body and the foam sealing gasket.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The heat accumulating kiln air path switching valve comprises a valve plate main body and a valve core partition plate, and is characterized in that the valve plate main body comprises an upper clamping plate (2) and a lower clamping plate (4), a guide rail frame body (3) is arranged between the upper clamping plate (2) and the lower clamping plate (4), an upper left connecting pipe through hole and a lower left connecting pipe through hole are correspondingly formed in the left sides of the middle parts of the upper clamping plate (2) and the lower clamping plate (4) respectively, and an upper right connecting pipe through hole and a lower right connecting pipe through hole are correspondingly formed in the right sides of the middle parts of the upper clamping plate (2) and the lower clamping plate (4) respectively; the guide rail frame body (3) is in a shape like a Chinese character 'ri', the valve core partition plate comprises a left partition plate (17) and a right partition plate (16), the left partition plate (17) is arranged in the left space of the guide rail frame body (3) in a sliding mode, and the right partition plate (16) is arranged in the right space of the guide rail frame body (3) in a sliding mode; an air cylinder (10) is fixed on the outer wall of the valve plate main body through an air cylinder supporting plate (9), a telescopic shaft of the air cylinder (10) is connected with one ends of a left connecting rod (13) and a right connecting rod (12) through a flashboard (11), and the other ends of the left connecting rod (13) and the right connecting rod (12) are respectively inserted into a right part space of a left part space of the guide rail frame body (3) and are respectively connected with a left partition plate (17) and a right partition plate (16); a left through hole (18) is formed in one end, far away from the left connecting rod (13), of the left partition plate (17), and a right through hole (15) is formed in one end, close to the right connecting rod (12), of the right partition plate (16).
2. The heat accumulating kiln air path switching valve according to claim 1, further comprising an air inlet pipe, a smoke exhaust pipe, a three-way connecting pipe (6) and an air flow pipe (7), wherein the air flow pipe (7) is respectively communicated with the air inlet pipe and the smoke exhaust pipe through the three-way connecting pipe (6); the air inlet pipe comprises an upper air inlet pipe (14) and a lower air inlet pipe (8), the smoke exhaust pipe comprises an upper smoke exhaust pipe (1) and a lower smoke exhaust pipe (5), the upper air inlet pipe (14) and the lower air inlet pipe (8) are respectively coaxially installed and fixed on an upper right connecting pipe through hole and a lower right connecting pipe through hole, and the upper smoke exhaust pipe (1) and the lower smoke exhaust pipe (5) are respectively coaxially installed and fixed on an upper left connecting pipe through hole and a lower left connecting pipe through hole.
3. The heat storage kiln air path switching valve according to claim 2, wherein when the telescopic shaft of the air cylinder (10) is extended to the upper limit, the left through hole (18) on the left partition plate (17) is aligned with the left upper connecting pipe through hole and the left lower connecting pipe through hole, the upper smoke exhaust pipe (1) and the lower smoke exhaust pipe (5) are in a passage state, the right through hole (15) on the right partition plate (16) is completely staggered with the right upper connecting pipe through hole and the right lower connecting pipe through hole, and the upper air inlet pipe (14) and the lower air inlet pipe (8) are in a completely non-communication state;
when the telescopic shaft of the air cylinder (10) is retracted to the lower limit, the right through hole (15) on the right partition plate (16) is aligned with the right upper connecting pipe through hole and the right lower connecting pipe through hole, the upper air inlet pipe (14) and the lower air inlet pipe (8) are in a passage state, the left through hole (18) on the left partition plate (17) is completely staggered with the left upper connecting pipe through hole and the left lower connecting pipe through hole, and the upper smoke exhaust pipe (1) and the lower smoke exhaust pipe (5) are in a completely non-communication state.
4. The heat accumulating kiln air path switching valve according to claim 3, further comprising a sealing assembly, wherein the sealing assembly comprises a sliding sealing plate (20) and a sealing sleeve (19), the sliding sealing plate (20) comprises a rectangular plate body, a circular through hole with the same diameter as the left through hole (18) or the right through hole (15) is formed in the rectangular plate body, the upper end peripheral wall of the sealing sleeve (19) is provided with an upper air inlet pipe (14) or the lower end inner peripheral wall of the upper smoke exhaust pipe (1) in a sliding sealing manner, and the lower end peripheral wall of the sealing sleeve (19) is fixed on the inner peripheral wall of the circular through hole in a sealing manner; four corners of the upper end surface of the rectangular plate body are fixed on the lower bottom surface of the left partition plate (17) or the right partition plate (16) through spring telescopic shafts (21).
5. The heat storage kiln air path switching valve according to claim 4, wherein more than three pulleys (23) are respectively arranged on two sides of the lower bottom surface of the rectangular plate body, arc-shaped sliding grooves (22) with shallow middle depths at two ends are respectively formed on a left partition plate (17) corresponding to two sides of the left through hole (18) or a right partition plate (16) corresponding to two sides of the right through hole (15), and when the left partition plate (17) or the right partition plate (16) moves reciprocally, the pulleys (23) can correspondingly slide in or slide out of the arc-shaped sliding grooves (22).
6. The regenerative kiln air path switching valve as recited in claim 5 wherein a foam gasket is installed on a lower bottom surface of the rectangular plate body.
CN202322521035.7U 2023-09-18 2023-09-18 Air path switching valve of heat accumulating kiln Active CN220749108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322521035.7U CN220749108U (en) 2023-09-18 2023-09-18 Air path switching valve of heat accumulating kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322521035.7U CN220749108U (en) 2023-09-18 2023-09-18 Air path switching valve of heat accumulating kiln

Publications (1)

Publication Number Publication Date
CN220749108U true CN220749108U (en) 2024-04-09

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ID=90564460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322521035.7U Active CN220749108U (en) 2023-09-18 2023-09-18 Air path switching valve of heat accumulating kiln

Country Status (1)

Country Link
CN (1) CN220749108U (en)

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