CN221257700U - Switching valve of heat accumulating type incinerator - Google Patents
Switching valve of heat accumulating type incinerator Download PDFInfo
- Publication number
- CN221257700U CN221257700U CN202323140299.4U CN202323140299U CN221257700U CN 221257700 U CN221257700 U CN 221257700U CN 202323140299 U CN202323140299 U CN 202323140299U CN 221257700 U CN221257700 U CN 221257700U
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- valve
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- 238000007789 sealing Methods 0.000 claims abstract description 123
- 238000007667 floating Methods 0.000 claims abstract description 22
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a switching valve of a heat accumulating type incinerator, which comprises a valve body, a first sealing block and a floating block, wherein an air inlet and an air outlet are respectively formed in two ends of the valve body, the first sealing block is positioned in a cavity formed in the valve body, the cavity is communicated with the air inlet and the air outlet, a second sealing block is arranged at the top of the first sealing block, the top of the first sealing block is in sliding connection with the second sealing block through a push rod, the floating block is arranged in the valve body, one side in the valve body is communicated with the cavity, an air passage is formed in the valve body, the floating block is in sliding connection with the air passage, when the first sealing block is deformed and damaged, air enters the air passage, a pressing plate is extruded, the pressing plate pushes the floating block to move towards the other end of the air passage through a slide rod, and the air outlet passage extends to the outer side of the valve body, and whether the first sealing block is deformed and damaged can be observed according to the distance that the floating block extends to the outer side of the valve body, so that the first sealing block is convenient to repair and replace in time.
Description
Technical Field
The utility model belongs to the technical field of incinerators, and particularly relates to a switching valve of a heat accumulating type incinerator.
Background
The regenerative incinerator (RTO) has the advantages of high purification efficiency, thorough pollutant decomposition, high heat exchange efficiency, energy conservation, low resistance, small fan installed power and the like, is widely applied to the VOCs treatment industry, and when the regenerative incinerator is used, a switching valve is needed to control the inlet and outlet of the incinerator.
At present, the switching valve for the heat accumulating type incinerator is frequently opened and closed under normal use conditions, and is often required to be switched back and forth for many times, and the sealing performance of the switching valve is reduced because the switching valve is frequently changed to generate larger impact deformation of the sealing surface of the switching valve, and the sealing performance of the switching valve directly influences the waste gas purifying effect and the normal operation of equipment.
Disclosure of utility model
The utility model aims to provide a switching valve of a heat accumulating type incinerator, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a switching valve of a heat accumulating type incinerator, comprising:
the two ends of the valve body are respectively provided with an air inlet and an air outlet;
The first sealing block is positioned in a cavity arranged in the valve body, the cavity is communicated with the air inlet and the air outlet, the top of the first sealing block is provided with a second sealing block, and the top of the first sealing block is in sliding connection with the second sealing block through a push rod;
the floating block is arranged in the valve body, one side in the valve body is communicated with the cavity, and the floating block is connected in the air passage in a sliding manner.
Preferably, sealing seats are arranged on two sides of the bottom of the cavity, an opening is formed between the sealing seats, a small valve core is arranged at the bottom of the first sealing block, and the bottom of the small valve core is matched with the opening for sealing.
Preferably, an outlet is formed in one side of the cavity and at a position communicated with the air outlet, sealing rings are arranged on the surfaces of the first sealing block, the second sealing block and the small valve core, sealing is carried out through the sealing rings, and sealing tightness of the interior of the valve body is improved.
Preferably, a sliding groove is formed in the middle of the second sealing block, the ejector rod at the top of the first sealing block is slidably connected in the sliding groove, the top of the second sealing block is rotatably connected with a valve rod, and the other end of the valve rod rotates to penetrate through the valve body and extends to the outer side.
Preferably, the top of the first sealing block is fixedly connected with guide rods which are positioned on two sides of the ejector rod, the top of the guide rods penetrates through the guide grooves formed in the surface of the second sealing block in a sliding mode, the guide rods are sleeved with first springs, two ends of each first spring are fixedly connected with the first sealing block and the second sealing block respectively, and when the second sealing block moves upwards to drive the first sealing block through the guide rods, stress on two sides of the second sealing block is even.
Preferably, the connecting plate is fixedly connected with the air flue, the pressing plate is arranged at the bottom of the connecting plate, the surface of the pressing plate is fixedly connected with a sliding rod, the other end of the sliding rod penetrates through the connecting plate in a sliding mode and then is fixedly connected with the floating block, a second spring is sleeved on the sliding rod, and two ends of the second spring are respectively fixedly connected with the connecting plate and the pressing plate.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The outlet is plugged through the first sealing block and the second sealing block, so that more reliable sealing performance is provided, when the first sealing block is deformed due to impact, the second sealing block can be continuously sealed, and the sealing performance of the valve body is improved.
(2) When the first sealing block is deformed and damaged, gas enters the air passage and presses the pressing plate, the pressing plate pushes the floating block to move towards the other end of the air passage through the sliding rod, the air outlet passage is moved and extends to the outer side of the valve body, whether the first sealing block is deformed and damaged can be observed according to the distance from the floating block to the outer side of the valve body, and the first sealing block is convenient to repair and replace in time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;
fig. 4 is a schematic view showing the structure of the first sealing block of the present utility model separated from the opening seal.
In the figure: 1. a valve body; 2. an air inlet; 3. an air outlet; 4. a first sealing block; 5. a cavity; 6. a second sealing block; 7. a push rod; 8. a floating block; 9. an airway; 10. a sealing seat; 11. an opening; 12. a small valve core; 13. an outlet; 14. a chute; 15. a guide rod; 16. a guide groove; 17. a first spring; 18. a connecting plate; 19. a pressing plate; 20. a slide bar; 21. a second spring; 22. a seal ring; 23. a valve rod.
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.
The present utility model provides a switching valve of a heat accumulating type incinerator as shown in fig. 1 to 4, comprising:
The valve comprises a valve body 1, wherein an air inlet 2 and an air outlet 3 are respectively formed in two ends of the valve body 1;
the first sealing block 4 is positioned in a cavity 5 arranged in the valve body 1, the cavity 5 is communicated with the air inlet 2 and the air outlet 3, a second sealing block 6 is arranged at the top of the first sealing block 4, and the top of the first sealing block 4 is in sliding connection with the second sealing block 6 through a push rod 7;
the floating block 8 is arranged in the valve body 1, one side in the valve body 1 is communicated with the cavity 5, and the air passage 9 is arranged on the side, and the floating block 8 is connected in the air passage 9 in a sliding manner.
The two sides of the bottom of the cavity 5 are provided with sealing seats 10, an opening 11 is formed between the sealing seats 10, the bottom of the first sealing block 4 is provided with a small valve core 12, and the bottom of the small valve core 12 is matched with the opening 11 to seal.
The outlet 13 is formed in one side of the cavity 5 and at the position communicated with the air outlet 3, sealing rings 22 are arranged on the surfaces of the first sealing block 4, the second sealing block 6 and the small valve core 12, and sealing is carried out through the sealing rings 22, so that the tightness of the sealing inside the valve body 1 is improved.
The middle part of the second sealing block 6 is provided with a chute 14, the ejector rod 7 at the top of the first sealing block 4 is slidably connected in the chute 14, the top of the second sealing block 6 is rotatably connected with a valve rod 23, the other end of the valve rod 23 rotates to penetrate through the valve body 1 and extends to the outer side, and the second sealing block 6 and the first sealing block 4 can be sealed and adjusted by rotating the valve rod 23. The second sealing block 6 and the valve rod 23 can rotate through a bearing, or the bottom of the valve rod 23 is in an inverted T shape, and a T-shaped groove matched with the T shape is formed in the top of the second sealing block 6, so that the two are in running fit.
The top of the first sealing block 4 is fixedly connected with guide rods 15 which are positioned on two sides of the ejector rod 7, the top of the guide rods 15 penetrates through guide grooves 16 formed in the surface of the second sealing block 6 in a sliding mode, the guide rods 15 are sleeved with first springs 17, two ends of each first spring 17 are fixedly connected with the first sealing block 4 and the second sealing block 6 respectively, and when the second sealing block 6 moves upwards to drive the first sealing block 4, two sides of the second sealing block are stressed more uniformly through the guide rods 15 fixedly connected with two sides of the top of the first sealing block 4.
The air flue 9 is internally and fixedly connected with connecting plate 18 and connecting plate 18 bottom are equipped with clamp plate 19, clamp plate 19 fixedly connected with slide bar 20 and slide bar 20's the other end slip runs through connecting plate 18 after with the kicking block 8 fixed connection, cup joint second spring 21 on the slide bar 20, the both ends of second spring 21 respectively with connecting plate 18 and clamp plate 19 fixed connection, gas gets into in the air flue 9 and makes to extrude and promote clamp plate 19 and promote kicking block 8 through slide bar 20 and remove, make kicking block 8 remove in the air flue 9 and extend to the valve body 1 outside, when gas pressure reduces, second spring 21 resilience drives clamp plate 19 to remove in to air flue 9 to drive kicking block 8 and remove to in the air flue 9.
The switching valve of the heat accumulating type incinerator comprises a valve body 1, wherein an air inlet 2 and an air outlet 3 are respectively formed in two ends of the valve body 1, when the valve body 1 needs to be sealed, the valve rod 23 drives a second sealing block 6 to move downwards by rotating the valve rod 23 clockwise in one direction, the second sealing block 6 simultaneously pushes a first sealing block 4 to move downwards by pushing a push rod 7 downwards, both sides of the first sealing block 4 and both sides of the second sealing block 6 are contacted with the inner wall of the valve body 1 through sealing rings 22 and seal cavities 5, a small valve core 12 seals an opening 11, two-stage sealing can be simultaneously formed when the valve body 1 is closed, more reliable sealing performance is provided, when the first sealing block 4 is deformed due to impact damage, the second sealing block 6 can continue sealing, the sealing performance of the valve body 1 is improved, and the valve rod 23 drives the second sealing block 6 to move upwards by rotating the valve rod 23 in the opposite direction, the second sealing block 6 drives the first sealing block 4 to move anticlockwise by pushing the push rod 7, the small sealing block 4 is separated from the opening 11, and gas enters the air outlet 13 at one side of the air outlet 3 to be discharged.
Under the condition that the first sealing block 4 and the second sealing block 6 are sealed, when the first sealing block 4 is deformed to seal the opening 11 tightly because of impact damage, under the condition that the second sealing block 6 is sealed, gas enters the air passage 9, the pressing plate 19 is pushed to move towards the other end of the air passage 9, the sliding rod 20 is pushed to move and compress the second spring 21 while moving, the floating block 8 is pushed to move when the sliding rod 20 moves, the floating block 8 moves into the air passage 9 and extends to the outer side of the valve body 1, whether air leakage occurs under the sealed condition or not is observed through the floating block 8 extending to the outer side of the valve body 1, maintenance is timely discovered, and when the first sealing block 4 and the second sealing block 6 are in the air passage 9, the air enters the air passage 9, the air discharge condition can be observed through the floating block 8 extending to the outer side of the valve body 1, when the air is exhausted, or when the air discharge amount is small, the air pressure in the air passage 9 is reduced, the second spring 21 rebounds to drive the pressing plate 19 to move into the air passage 9, and the floating block 8 is driven to move into the air passage 9 timely, and the air discharge condition is observed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A switching valve of a heat accumulating type incinerator, comprising:
The valve comprises a valve body (1), wherein an air inlet (2) and an air outlet (3) are respectively formed in two ends of the valve body (1);
The valve comprises a valve body (1), a first sealing block (4), a second sealing block (6) and a push rod (7), wherein the first sealing block (4) is positioned in a cavity (5) formed in the valve body (1), the cavity (5) is communicated with an air inlet (2) and an air outlet (3), the top of the first sealing block (4) is provided with the second sealing block (6), and the top of the first sealing block (4) is in sliding connection with the second sealing block (6) through the push rod (7);
The floating block (8), in valve body (1) was located to floating block (8), one side and cavity (5) switch-on have air flue (9) in valve body (1), floating block (8) sliding connection is in air flue (9).
2. The switching valve of a regenerative incinerator according to claim 1, wherein: the sealing device is characterized in that sealing seats (10) are arranged on two sides of the bottom of the cavity (5), an opening (11) is formed between the sealing seats (10), a small valve core (12) is arranged at the bottom of the first sealing block (4), and the bottom of the small valve core (12) is matched with the opening (11) to seal.
3. The switching valve of a regenerative incinerator according to claim 2, wherein: an outlet (13) is formed in one side of the cavity (5) and in a position communicated with the air outlet (3), and sealing rings (22) are arranged on the surfaces of the first sealing block (4), the second sealing block (6) and the small valve core (12).
4. The switching valve of a regenerative incinerator according to claim 1, wherein: the middle part of the second sealing block (6) is provided with a sliding groove (14), a push rod (7) at the top of the first sealing block (4) is slidably connected in the sliding groove (14), the top of the second sealing block (6) is rotationally connected with a valve rod (23), and the other end of the valve rod (23) rotationally penetrates through the valve body (1) and extends to the outer side.
5. The switching valve of a regenerative incinerator according to claim 1, wherein: the sealing device is characterized in that guide rods (15) are fixedly connected to the top of the first sealing block (4) and located on two sides of the ejector rod (7), the tops of the guide rods (15) penetrate through guide grooves (16) formed in the surface of the second sealing block (6) in a sliding mode, first springs (17) are sleeved on the guide rods (15), and two ends of each first spring (17) are fixedly connected with the first sealing block (4) and the second sealing block (6) respectively.
6. The switching valve of a regenerative incinerator according to claim 1, wherein: the utility model discloses a connecting plate, including air flue (9), connecting plate (18) and connecting plate (18) bottom are equipped with clamp plate (19), clamp plate (19) fixed surface are connected with slide bar (20) and behind slide bar (20) the other end slip run through connecting plate (18) with floating block (8) fixed connection, second spring (21) have been cup jointed on slide bar (20), the both ends of second spring (21) are respectively with connecting plate (18) and clamp plate (19) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323140299.4U CN221257700U (en) | 2023-11-21 | 2023-11-21 | Switching valve of heat accumulating type incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323140299.4U CN221257700U (en) | 2023-11-21 | 2023-11-21 | Switching valve of heat accumulating type incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221257700U true CN221257700U (en) | 2024-07-02 |
Family
ID=91656918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323140299.4U Active CN221257700U (en) | 2023-11-21 | 2023-11-21 | Switching valve of heat accumulating type incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221257700U (en) |
-
2023
- 2023-11-21 CN CN202323140299.4U patent/CN221257700U/en active Active
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