CN212226003U - Spherical switching valve of RTO heat accumulation combustion device - Google Patents
Spherical switching valve of RTO heat accumulation combustion device Download PDFInfo
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- CN212226003U CN212226003U CN202020523816.3U CN202020523816U CN212226003U CN 212226003 U CN212226003 U CN 212226003U CN 202020523816 U CN202020523816 U CN 202020523816U CN 212226003 U CN212226003 U CN 212226003U
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Abstract
The utility model provides a RTO heat accumulation burner's sphere diverter valve, including sphere case, upper valve ring seat and lower valve ring seat. The upper spherical body and the lower spherical body of the spherical valve core are mutually connected and installed, and the central part of the lower spherical body is provided with a support plate; the top end of a moving rod of the cylinder is connected with a supporting plate; an upper valve ring seat is disposed adjacent the inlet port, with an upper seal disposed in an upper annular groove of the upper valve ring seat. The lower valve ring seat is arranged near the exhaust port, and a lower sealing element is arranged in a lower annular groove of the lower valve ring seat; the spherical switching valve of the RTO heat accumulation combustion device adopts spherical pressure sealing, has simple structure and effectively prevents gas leakage.
Description
Technical Field
The invention discloses a spherical switching valve of an RTO heat accumulation combustion device, and relates to the technical field of heat accumulation combustion devices (RTO).
Background
The current Regenerative Thermal Oxidizer (RTO) heats organic waste gas discharged in production through regenerative ceramic, the temperature is rapidly increased, under the combustion heating effect of 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 high temperature to form tasteless high-temperature flue gas, then the flue gas flows through the regenerative ceramic with low temperature, a large amount of heat energy is transferred to a heat accumulator from the flue gas to heat organic waste gas to be decomposed of next circulation, the self temperature of the high-temperature flue gas is greatly reduced, heat exchange is carried out through a heat recovery system and other media, the temperature of the flue gas is further reduced, and finally the flue gas is discharged to outdoor atmosphere. The switching valve of the existing RTO three-chamber waste gas treatment device has the defects of sealing failure and the like; the market urgently needs a simple and effective spherical switching valve of an RTO heat accumulation combustion device to improve the sealing performance of the switching valve.
Disclosure of Invention
An object of the utility model is to provide a RTO heat accumulation burner's sphere diverter valve improves sealed efficiency through the spherical contact is sealed.
In view of the above technical problem, the utility model provides a RTO heat accumulation burner's sphere diverter valve, including an RTO heat accumulation burner's sphere diverter valve, include: the valve comprises a spherical valve core, an upper valve ring seat and a lower valve ring seat. The upper spherical body and the lower spherical body of the spherical valve core are mutually connected and installed, and the central part of the upper spherical body is provided with a support plate; the top end of a moving rod of the cylinder is connected with a supporting plate. An upper valve ring seat is disposed adjacent the inlet port, with an upper seal disposed in an upper annular groove of the upper valve ring seat. A lower valve ring seat is disposed adjacent the exhaust port, and a lower seal is disposed in a lower annular groove of the lower valve ring seat.
The invention is further improved, and the adopted preferable technical measures are as follows: the valve body near the upper valve ring seat and the lower valve ring seat is provided with an exchange valve port.
The invention is further improved, and the adopted preferable technical measures are as follows: the upper sealing element in the upper annular groove is an elastic sealing ring; the lower seal in the lower annular groove is an elastomeric seal ring.
The invention is further improved, and the adopted preferable technical measures are as follows: the upper spherical surface body is an upper annular spherical surface body, and the lower spherical surface body is a lower annular spherical surface body; a central support plate is arranged between the upper annular spherical body and the lower annular spherical body, and the central support plate and the support plate at the top of the moving rod are fixed with each other.
The invention is further improved, and the adopted preferable technical measures are as follows: the lower part of the cylinder is provided with an air pressure sealing sleeve, a moving rod of the cylinder penetrates through the air pressure sealing sleeve, and a pressure air pipe is arranged on the air pressure sealing sleeve.
Advantageous effects
Based on the technical scheme, the invention at least has one of the following beneficial effects:
1, a spherical switching valve of the RTO heat accumulation combustion device adopts spherical pressure sealing, and has simple structure and good sealing effect;
2, a spherical switching valve of the RTO heat accumulation combustion device adopts an elastic sealing ring to seal, so that gas leakage is effectively prevented;
and 3, an upper annular spherical surface body and a lower annular spherical surface body are arranged on a central supporting plate of the cylinder moving rod, so that the structural stability is improved, and the processing technology is reduced.
Drawings
Fig. 1 is a schematic working diagram of the spherical switching valve of the RTO regenerative combustion apparatus of the present invention.
Fig. 2 is the two-way working schematic diagram of the spherical surface switching valve of the RTO regenerative combustion apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
First embodiment
As shown in fig. 1, the spherical surface switching valve of the RTO regenerative combustion apparatus includes: a spherical valve core 101, an upper valve ring seat 301 and a lower valve ring seat 401. The upper spherical body 202 and the lower spherical body 203 of the spherical valve body 101 are attached to each other, and the support plate 103 is provided at the center of the upper spherical body 202. The top end of the moving rod 102 of the cylinder 201 is connected with the supporting plate 103. An upper valve ring seat 301 is provided adjacent the inlet port 302, the upper ring groove 303 of the upper valve ring seat 301 having an upper seal 304 disposed therein. A lower valve ring seat 401 is provided adjacent the exhaust port 402, with a lower seal 404 disposed in a lower annular groove 403 of the lower valve ring seat 401.
Therefore, the utility model discloses the first embodiment introduces and finishes.
Second, second embodiment
As shown in fig. 2, an exchange valve port 407 is provided in the valve body 405 in the vicinity of the upper and lower ring seats 301 and 401. The upper seal 304 in the upper annular groove 303 is an elastomeric seal ring; the lower seal 404 in the lower annular groove 403 is an elastomeric seal ring. The upper spherical surface body 202 is an upper annular spherical surface body 409, and the lower spherical surface body 203 is a lower annular spherical surface body 410; a central support plate 408 is arranged between the upper annular spherical body 409 and the lower annular spherical body 410, and the central support plate 408 is fixed with the support plate 103 on the top of the travel bar 102. The lower part of the air cylinder 201 is provided with an air pressure sealing sleeve 501, the moving rod 102 of the air cylinder 201 penetrates through the air pressure sealing sleeve 501, and the air pressure sealing sleeve 501 is provided with a pressure air pipe 502.
Therefore, the utility model discloses the second embodiment introduces and finishes.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A spherical surface switching valve of an RTO heat accumulation combustion device is characterized by comprising:
the spherical valve core (101), the upper spherical body (202) and the lower spherical body (203) are mutually connected and installed, and the center part of the upper spherical body (202) is provided with a support plate (103); the top end of a moving rod (102) of the cylinder (201) is connected with a support plate (103);
an upper valve ring seat (301) disposed adjacent to the inlet port (302), an upper seal (304) disposed in an upper annular groove (303) of the upper valve ring seat (301);
a lower valve ring seat (401) disposed adjacent to the exhaust port (402), a lower seal (404) disposed in a lower annular groove (403) of the lower valve ring seat (401).
2. The spherical switching valve of an RTO regenerative combustion apparatus according to claim 1, wherein: an exchange valve port (407) is provided on the valve body (405) near the upper ring seat (301) and the lower ring seat (401).
3. The spherical switching valve of an RTO regenerative combustion apparatus according to claim 1 or 2, wherein: the upper sealing element (304) in the upper annular groove (303) is an elastic sealing ring; the lower seal (404) in the lower annular groove (403) is an elastic sealing ring.
4. The spherical switching valve of an RTO regenerative combustion apparatus according to claim 1, wherein: the pneumatic sealing device is characterized in that an air pressure sealing sleeve (501) is arranged on the lower portion of the air cylinder (201), a moving rod (102) of the air cylinder (201) penetrates through the air pressure sealing sleeve (501), and a pressure air pipe (502) is arranged on the air pressure sealing sleeve (501).
5. The utility model provides a RTO heat accumulation burner's sphere diverter valve which characterized in that: the upper spherical body (202) is an upper annular spherical body (409), and the lower spherical body (203) is a lower annular spherical body (410); a central support plate (408) is arranged between the upper annular spherical body (409) and the lower annular spherical body (410), the central support plate (408) and a support plate (103) at the top of the moving rod (102) are fixed with each other, an upper valve ring seat (301) is arranged near the air inlet (302), and an upper sealing element (304) is arranged in an upper annular groove (303) of the upper valve ring seat (301); a lower valve ring seat (401) disposed adjacent to the exhaust port (402), a lower seal (404) disposed in a lower annular groove (403) of the lower valve ring seat (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020523816.3U CN212226003U (en) | 2020-04-11 | 2020-04-11 | Spherical switching valve of RTO heat accumulation combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020523816.3U CN212226003U (en) | 2020-04-11 | 2020-04-11 | Spherical switching valve of RTO heat accumulation combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212226003U true CN212226003U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020523816.3U Active CN212226003U (en) | 2020-04-11 | 2020-04-11 | Spherical switching valve of RTO heat accumulation combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212226003U (en) |
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2020
- 2020-04-11 CN CN202020523816.3U patent/CN212226003U/en active Active
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