CN107166049B - Rotary automatic cleaning type switching valve of heat accumulating combustion device - Google Patents
Rotary automatic cleaning type switching valve of heat accumulating combustion device Download PDFInfo
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- CN107166049B CN107166049B CN201710567191.3A CN201710567191A CN107166049B CN 107166049 B CN107166049 B CN 107166049B CN 201710567191 A CN201710567191 A CN 201710567191A CN 107166049 B CN107166049 B CN 107166049B
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- valve plate
- wall surface
- valve
- transmission
- annular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention discloses a rotary automatic cleaning type switching valve of a heat accumulating combustion device, which comprises the following components: the valve seat, the rotary valve plate, the cylinder and the rotary device are arranged eccentrically relative to each other; the rotating device drives the rotary valve plate to rotate, the valve plate eccentrically rotates relative to the annular sealing port, and the annular wall surface of the annular sealing port contacts and rubs with the sealing wall surface of the valve plate to perform dirt automatic cleaning work; the rotary automatic cleaning type switching valve performs automatic cleaning under the working condition of no shutdown, and meanwhile, the defect that the sealing effect is affected by fatigue deformation of the valve plate is overcome, and the waste gas purification quality and efficiency of the heat storage combustion device are greatly improved.
Description
Technical Field
The invention relates to a rotary automatic cleaning type switching valve of a heat accumulating combustion device, in particular to the technical field of heat accumulating type (RTO) combustion devices for waste gas treatment.
Background
The existing regenerative combustion device (RTO) is that after the organic waste gas discharged from production is heated by regenerative ceramics, the temperature is rapidly increased, under the action of combustion and heating of fuel gas in a hearth, the temperature reaches 680-1050 ℃, VOCs in the organic waste gas are directly decomposed into carbon dioxide and water vapor at the high temperature to form odorless high-temperature flue gas, then the odorless high-temperature flue gas flows through the regenerative ceramics with low temperature, a large amount of heat energy is transferred from the flue gas to a heat accumulator to heat the organic waste gas to be decomposed in the next cycle, the self temperature of the high-temperature flue gas is greatly reduced, and then the heat exchange is carried out by a heat recovery system and other mediums, so that the temperature of the flue gas is further reduced, and finally the flue gas is discharged to the outdoor atmosphere. The method has the advantages of low operation cost, high treatment efficiency of organic waste gas, no catalyst poisoning phenomenon and the like, so that the method is more adopted for treating VOCs of internationally advanced equipment. The heat accumulating type combustion device (RTO) valve switching RTO is formed by changing the direction of air flow through switching of valves by two or more ceramic packed beds, so that the aim of preheating VOC waste gas is fulfilled. However, the wind direction switching valve is not easy to seal due to the large diameter, and the long-time fatigue operation of the valve plate leads to leakage of waste gas, so that the purification rate of VOC is directly affected; meanwhile, as the working environment of the wind direction switching valve is bad, the scaling of the switching valve plate and the valve seat seriously affects the sealing performance. In order to improve the defects of the existing valve type RTO device, the defects can be solved only by improving the structure and the sealing of the wind direction switching valve.
Disclosure of Invention
The invention aims to provide a rotary automatic cleaning type switching valve of a heat storage combustion device, which solves the defects that the wind direction switching valve is not easy to seal and the leakage amount of waste gas greatly influences the purification rate of VOC by improving the structure and the sealing structure of the wind direction switching valve, and greatly improves the waste gas purification quality and efficiency of the heat storage combustion device.
In view of the above technical problems, the present invention provides a rotary automatic cleaning type switching valve of a regenerative combustion device, comprising: valve seat, valve plate, cylinder and rotary device. The valve seat is arranged on the air duct opening of the air distribution box, the side surface of the valve seat is provided with an annular sealing opening, and an annular bracket is arranged in the annular sealing opening. The air cylinder is arranged on a bracket on the outer wall surface of the air distribution box, a push-pull rod of the air cylinder extends into an air channel of the air distribution box, and the push-pull rod is arranged in a linear bearing seat on the wall surface of the air channel. A self-aligning bearing seat is arranged on the lower wall surface of the valve plate, and a connecting shaft head of the push-pull rod is arranged in the self-aligning bearing seat; the sealing wall surface of the valve plate is provided with a lower connecting transmission piece. One end shaft body of a transmission shaft of the rotating device is arranged in a bearing seat outside the gas distribution box, and the other end shaft body of the transmission shaft is supported and arranged in an eccentric bearing seat of the annular bracket by a bearing; the rear shaft head of the transmission shaft is provided with an upper connecting transmission piece, the transmission shaft and the push-pull rod are coaxially arranged, and the rear shaft head of the transmission shaft is connected with the transmission device for transmission. The push-pull rod pushes the valve plate to move, and the sealing wall surface of the valve plate is contacted with the annular wall surface of the annular sealing port; the lower connecting transmission piece is in contact transmission with the upper connecting transmission piece, the transmission shaft drives the valve plate to rotate, the valve plate eccentrically rotates relative to the annular sealing opening, and the annular wall surface of the annular sealing opening is in contact friction with the sealing wall surface of the valve plate to perform dirt automatic cleaning work.
The invention is further improved, and the preferred technical measures adopted are as follows: the cylinder is fixedly arranged with a cylinder rotating device, and a transmission rod of the cylinder rotating device is arranged in a connecting sleeve in the push-pull rod. The connecting shaft head of the push-pull rod is arranged in the fixed sleeve of the valve plate. The transmission rod of the cylinder rotating device rotates to drive the push-pull rod and the valve plate to rotate.
The invention is further improved, and the preferred technical measures adopted are as follows: the elastic scraping blade of the scraping blade cleaning device is fixedly arranged through the inclination of the pressing plate and the supporting arm surface, the top end of the elastic scraping blade extends out of the annular sealing port, and the elastic scraping blade is deformed to be tightly adhered to the sealing wall surface of the valve plate after being extruded by the valve plate. The valve plate rotates, and the elastic scraping blade cleans dirt on the sealing wall surface of the valve plate.
The invention is further improved, and the preferred technical measures adopted are as follows: and more than one cleaning device is fixedly arranged on the wall surface at the outer side or the inner side of the annular sealing opening of the valve seat, and a cleaning grinding head is arranged in an elastic seat of the cleaning device. The valve plate rotates, and the sealing wall surface of the valve plate is elastically contacted with the cleaning grinding head to remove dirt by friction. ,
drawings
Fig. 1 is a schematic view of the installation structure of a rotary automatic cleaning type switching valve of a regenerative combustion device of the present invention.
Fig. 2 is a schematic diagram of a rotary automatic cleaning operation of the rotary automatic cleaning type switching valve of the regenerative combustion device of fig. 1 according to the present invention.
FIG. 3 is a schematic diagram of the operation of the cylinder rotating device of the rotary automatic cleaning type switching valve of the regenerative combustion device of the present invention.
Fig. 4 is a schematic view of the wiper blade installation of the rotary self-cleaning switching valve of the present invention.
Main accessory symbol description
101-valve seat; 102-a gas distribution box; 103-air duct opening; 104-an annular sealing port; 105-ring support; 106-an outer wall surface bracket; 107-air duct; 201-a cylinder; 202-a push-pull rod; 203-a linear bearing seat; 204-connecting the shaft heads; 301-a valve plate; 303-aligning the bearing seat; 304-sealing the wall; 305-lower connection transmission piece; 401-rotating means; 402-a drive shaft; 403-bearing seats; 404-eccentric bearing blocks; 405-rear axle head; 406-upper connecting transmission piece; 407-a transmission; 501-a cylinder rotation device; 502-a transmission rod; 503-connecting sleeve; 504-fixing sleeve; 601-a support arm surface; 602-a blade cleaning device; 603-an elastic wiper blade; 604-a platen; 701-cleaning device; 702-an elastic seat; 703-cleaning grinding heads.
Based on the technical scheme, the high-efficiency sealed wind direction switching valve of the heat accumulating combustion device has at least one of the following beneficial effects:
1. the valve seat and the valve plate are eccentrically arranged, the valve plate is driven to rotate by the rotating device, and the contact surface of the valve plate and the valve seat is continuously changed, so that the problem that the valve plate of the switching valve is influenced by working fatigue deformation is thoroughly solved;
2. the rotating device drives the valve plate to rotate, the valve plate contacts and rubs with the valve seat to remove dirt, and automatic cleaning is realized under the working condition that the machine does not need to be stopped;
3. the valve plate is cleaned on line by adopting the elastic scraping blade, the cleaning brush or the cleaning grinding head, so that the cleanliness of the valve plate is ensured to the maximum extent, and the sealing effect of the valve plate is improved.
Description of the embodiments
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1, the rotary automatic cleaning type switching valve of the regenerative combustion device includes: valve seat 101, cylinder 201, valve plate 301, and rotary device 401. The valve seat 101 is mounted on the air duct opening 103 of the gas distribution box 102, the side surface of the valve seat 101 is provided with an annular sealing opening 104, and an annular bracket 105 is mounted in the annular sealing opening 104. The cylinder 201 is mounted on the outer wall surface bracket 106 of the gas distribution box 102, the push-pull rod 202 of the cylinder 201 extends into the air channel 107 of the gas distribution box 102, and the push-pull rod 202 is mounted in the linear bearing seat 203 on the wall surface of the air channel 107. A self-aligning bearing seat 303 is arranged on the lower wall surface of the valve plate 301, and the connecting shaft head 204 of the push-pull rod 202 is arranged in the self-aligning bearing seat 303; a lower link transmission member 305 is mounted on the seal wall 304 of the valve plate 301. One end shaft body of a transmission shaft 402 of the rotating device 401 is arranged in a bearing seat 403 outside the gas distribution box 102, and the other end shaft body of the transmission shaft 402 is arranged in an eccentric bearing seat 404 of the annular bracket 105 in a bearing support manner; the rear axle head 405 of the transmission axle 402 is provided with an upper connecting transmission piece 406, the transmission axle 402 is arranged coaxially with the push-pull rod 202, and the rear axle head 405 of the transmission axle 402 is connected with a transmission device 407 for transmission. As shown in fig. 2, the push-pull rod 202 pushes the valve plate 301 to move, the sealing wall 304 of the valve plate 301 contacts with the annular wall 108 of the annular sealing port 104, and the lower connecting transmission member 305 contacts with the upper connecting transmission member 406 for transmission; the transmission shaft 402 drives the valve plate 301 to rotate, the valve plate 301 eccentrically rotates relative to the annular sealing port 104, and the annular wall surface 108 of the annular sealing port 104 contacts and rubs with the sealing wall surface 304 of the valve plate 301 to perform dirt automatic cleaning work.
Thus far, in the first embodiment of the present invention, the introduction of the rotary automatic cleaning type switching valve of the regenerative combustion device is completed.
As shown in fig. 3, the rotating device is fixedly installed with the air cylinder, the air cylinder 201 is fixedly installed with the air cylinder rotating device 501, and the transmission rod 502 of the air cylinder rotating device 501 is installed in the connecting sleeve 503 inside the push-pull rod 202. The connecting stub shaft 204 of the push-pull rod 202 is fixedly mounted in a fixed sleeve 504 of the valve plate 301. The transmission rod 502 of the cylinder rotating device 501 rotates to drive the push-pull rod 202 and the valve plate 301 to rotate.
Thus far, in the second embodiment of the present invention, the introduction of the rotary automatic cleaning type switching valve of the regenerative combustion device is completed.
In order to improve the cleanliness of the valve plate 301, as shown in fig. 4, a blade cleaning device 602 is mounted on a supporting arm surface 601 of the annular bracket 105, an elastic blade 603 of the blade cleaning device 602 is fixedly mounted on the supporting arm surface 601 in an inclined manner through a pressing plate 604, and the top end of the elastic blade 603 extends out of the annular sealing port 104. The elastic wiper 603 is deformed against the sealing wall 304 of the valve plate 301 after being pressed by the valve plate 301. The valve plate 301 rotates and the elastic wiper 603 clears dirt on the sealing wall 304 of the valve plate 301. As shown in fig. 3, a cleaning device 701 is fixedly installed on the wall surface of the outer side or the inner side of the annular sealing port 104 of the valve seat 101, and a cleaning grinding head 703 is installed in an elastic seat 702 of the cleaning device 701; the valve plate 301 rotates, and the sealing wall surface 304 of the valve plate 301 is elastically contacted with the cleaning grinding head 703 to remove dirt by friction. The cleaning device can adopt cleaning tools such as a steel wire brush, a polishing sheet, a grinding wheel and the like, and can automatically clean the valve plate in a rotating way under the working condition that the machine does not need to be stopped.
Thus far, in the third embodiment of the present invention, the introduction of the rotary automatic cleaning type switching valve of the regenerative combustion device is completed.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (4)
1. A rotary self-cleaning switching valve for a regenerative combustion device, comprising:
a valve seat (101) mounted on an air duct port (103) of the gas distribution box (102); an annular sealing port (104) is formed in the side face of the valve seat (101), and an annular bracket (105) is arranged in the annular sealing port (104);
the air cylinder (201) is arranged on the outer wall surface bracket (106) of the air distribution box (102), a push-pull rod (202) of the air cylinder (201) extends into the air channel (107) of the air distribution box (102), and the push-pull rod (202) is arranged in a linear bearing seat (203) on the wall surface of the air channel (107);
a valve plate (301) with a self-aligning bearing seat (303) mounted on the lower wall surface thereof; the connecting shaft head (204) of the push-pull rod (202) is arranged in the aligning bearing seat (303); a lower connecting transmission piece (305) is arranged on a sealing wall surface (304) of the valve plate (301);
the rotating device (401) is characterized in that one end shaft body of a transmission shaft (402) is arranged in a bearing seat (403) outside the gas distribution box (102), the other end shaft body of the transmission shaft (402) is arranged in an eccentric bearing seat (404) of the annular bracket (105) in a bearing supporting manner, and an upper connecting transmission piece (406) is arranged on a rear shaft head (405) of the transmission shaft (402); the transmission shaft (402) is coaxially arranged with the push-pull rod (202), and a rear shaft head (405) of the transmission shaft (402) is connected with a transmission device (407) for transmission; the push-pull rod (202) pushes the valve plate (301) to move, the sealing wall surface (304) of the valve plate (301) is in contact with the annular wall surface (108) of the annular sealing port (104), the lower connecting transmission piece (305) is in contact transmission with the upper connecting transmission piece (406), the transmission shaft (402) drives the valve plate (301) to rotate, the valve plate (301) eccentrically rotates relative to the annular sealing port (104), and the annular wall surface (108) of the annular sealing port (104) and the sealing wall surface (304) of the valve plate (301) are in contact friction to perform dirt automatic cleaning work.
2. The rotary self-cleaning switching valve of a regenerative combustion device of claim 1, wherein: the cylinder (201) is fixedly arranged with the cylinder rotating device (501), and a transmission rod (502) of the cylinder rotating device (501) is arranged in a connecting sleeve (503) in the push-pull rod (202); the connecting shaft head (204) of the push-pull rod (202) is fixedly arranged in the fixed sleeve (504) of the valve plate (301); the transmission rod (502) of the cylinder rotating device (501) rotates to drive the push-pull rod (202) and the valve plate (301) to rotate.
3. The rotary self-cleaning switching valve of a regenerative combustion device according to claim 1 or 2, characterized in that: a doctor blade cleaning device (602) is arranged on a supporting arm surface (601) of the annular bracket (105), an elastic doctor blade (603) of the doctor blade cleaning device (602) is obliquely and fixedly arranged with the supporting arm surface (601) through a pressing plate (604), and the top end of the elastic doctor blade (603) extends out of the annular sealing port (104); the elastic scraping blade (603) is extruded by the valve plate (301) and then deforms to be closely attached to the sealing wall surface (304) of the valve plate (301); the valve plate (301) rotates, and the elastic scraping blade (603) cleans dirt on the sealing wall surface (304) of the valve plate (301).
4. The rotary self-cleaning switching valve of a regenerative combustion device according to claim 1 or 2, characterized in that: more than one cleaning device (701) is fixedly arranged on the wall surface of the outer side or the inner side of the annular sealing port (104) of the valve seat (101), and a cleaning grinding head (703) is arranged in an elastic seat (702) of the cleaning device (701); the valve plate (301) rotates, and the sealing wall surface (304) of the valve plate (301) is elastically contacted with the cleaning grinding head (703) to remove dirt by friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567191.3A CN107166049B (en) | 2017-07-12 | 2017-07-12 | Rotary automatic cleaning type switching valve of heat accumulating combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567191.3A CN107166049B (en) | 2017-07-12 | 2017-07-12 | Rotary automatic cleaning type switching valve of heat accumulating combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107166049A CN107166049A (en) | 2017-09-15 |
| CN107166049B true CN107166049B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567191.3A Active CN107166049B (en) | 2017-07-12 | 2017-07-12 | Rotary automatic cleaning type switching valve of heat accumulating combustion device |
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| CN (1) | CN107166049B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111389297A (en) * | 2020-04-20 | 2020-07-10 | 宿州市正辰环保科技有限公司 | UV (ultraviolet) silk-screen matt film gloss oil and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB567986A (en) * | 1943-05-01 | 1945-03-13 | Edward James Hutchins Norman | Improvements in and relating to rotary ported disc valves |
| JP2005265234A (en) * | 2004-03-17 | 2005-09-29 | Babcock Hitachi Kk | Ammonia containing exhaust gas treating device and method |
| KR101185512B1 (en) * | 2004-06-28 | 2012-09-24 | 가부시키가이샤 다이키샤 | Heat storage type gas processing apparatus |
| DE202013103967U1 (en) * | 2013-09-03 | 2013-10-23 | Bürkert Werke GmbH | Rotary valve |
| CN204692659U (en) * | 2015-06-17 | 2015-10-07 | 李伟 | Rotating transfer valve used by rotary accumulation of heat incinerator |
| CN207178724U (en) * | 2017-07-12 | 2018-04-03 | 江苏中科机械有限公司 | The rotational automatic cleaning type switching valve of heat storage burner |
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- 2017-07-12 CN CN201710567191.3A patent/CN107166049B/en active Active
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