CN214093072U - Device for preventing hot air regulating valve from being scalded at high temperature - Google Patents
Device for preventing hot air regulating valve from being scalded at high temperature Download PDFInfo
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- CN214093072U CN214093072U CN202022757240.XU CN202022757240U CN214093072U CN 214093072 U CN214093072 U CN 214093072U CN 202022757240 U CN202022757240 U CN 202022757240U CN 214093072 U CN214093072 U CN 214093072U
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Abstract
The device for preventing the hot air regulating valve from being scalded at high temperature is provided, the hot air regulating valve is connected with a main pipe through a flange plate, a first inner cavity and a second inner cavity are formed in a valve body from top to bottom, the first inner cavity is communicated with an air inlet, the second inner cavity is communicated with an air outlet, an air induction port communicated with the second inner cavity is formed in the bottom wall of the first inner cavity, and a first through hole penetrating through the valve body is formed in the top wall of the first inner cavity; the valve seat is provided with a first cavity, the bottom of the valve seat is provided with a second through hole, a first sliding seat is fixedly arranged in the first through hole, the middle part of the first sliding seat is provided with a first sliding hole, a second sliding seat is arranged in the second through hole in a sliding manner, the middle part of the second sliding seat is provided with a second sliding hole, a first elastic part is arranged between the first sliding seat and the second sliding seat, the valve rod is connected with a hot air switch at the bottom, the top of the valve rod is connected with a limiting block, and the hot air switch is arranged in an air induction port; after this scheme hot air control valve long-time operation, the disk seat can not be because of leaking out and continuously heaies up to be scalded when can avoiding operating personnel to adjust the amount of wind.
Description
Technical Field
The utility model relates to a governing valve, concretely relates to prevention hot air adjusting valve high temperature scald device.
Background
In thermal power, need utilize the fan to supply air so that the coal-fired abundant burning to the boiler, hot-blast temperature can be up to 1200 degrees, and the air supply volume is adjusted according to the coal-fired volume of supplying, generally adjusts through the governing valve, because the high-power operation of fan, hot-blast high temperature high pressure, the governing valve is in high temperature high pressure running state for a long time, when needing to carry out the air supply volume adjustment through the governing valve, has the hot-blast risk of scalding the operator of high temperature high pressure, if not carry out air regulation, hardly obtain better production state again.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned exists, the utility model provides a prevention hot air adjusting valve high temperature scalds device.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
the utility model provides a prevention hot air adjusting valve high temperature scald device contains hot air adjusting valve and is responsible for, and hot air adjusting valve passes through the ring flange with being responsible for and is connected, hot air adjusting valve contains:
the valve body is cylindrical, an air inlet and an air outlet are formed in two sides of the valve body, a first inner cavity and a second inner cavity are formed in the valve body from top to bottom, the first inner cavity is communicated with the air inlet, the second inner cavity is communicated with the air outlet, an air induction port communicated with the second inner cavity is formed in the bottom wall of the first inner cavity, and a first through hole penetrating through the hot air adjusting valve body is formed in the top wall of the first inner cavity;
the valve seat is fixedly arranged at the top of the valve body, a first cavity is formed in the valve seat, a second through hole which is coaxial with the first through hole is formed in the bottom of the valve seat, a first sliding seat is fixedly arranged in the first through hole, a first sliding hole is formed in the middle of the first sliding seat, a second sliding seat is arranged in the second through hole in a sliding mode, a second sliding hole is formed in the middle of the second sliding seat, and a first elastic piece is arranged between the first sliding seat and the second sliding seat;
the valve rod penetrates through the first sliding hole and the second sliding hole, the bottom of the valve rod is connected with a hot air switch, the top of the valve rod is connected with a limiting block, the hot air switch is arranged in the air induction port, the top wall of the hot air switch is provided with a sealing ring and a sealing pressure seat which are coaxial with the valve rod and larger than the inner diameter of the air induction port, and the limiting block is larger than the inner diameter of the second through hole;
drive mechanism contains transmission shaft, first bevel gear, second bevel gear, threaded rod and slide bar, input shaft and the hand wheel that sets up in first cavity, the coaxial drive chamber that has opened of transmission shaft, the threaded rod spiro union is in the drive chamber, the slide bar is fixed on the stopper, the transmission shaft top is located to first bevel gear, the input shaft both ends are located to second bevel gear and hand wheel, and second bevel gear and the meshing of first bevel gear, and the disk seat is outside is located to the hand wheel.
Furthermore, the hot air regulating valve high-temperature scalding prevention device is characterized in that a supporting plate is arranged in the first cavity, a bearing for accommodating the transmission shaft is arranged in the middle of the supporting plate, and a second elastic piece is arranged between the supporting plate and the limiting block.
Furthermore, in the device for preventing the hot air adjusting valve from being scalded at high temperature, the valve seat which is arranged between the limiting block and the sliding rod and is away from the hand wheel side is provided with the pressure relief hole communicated with the first cavity.
Further, in the device for preventing the hot air regulating valve from being scalded at high temperature, the hot air switch is in a circular truncated cone shape.
Further, foretell prevention hot air adjusting valve high temperature scalds device, first elastic component and second elastic component are pressure spring.
The embodiment of the utility model provides a beneficial effect is: in the scheme, the valve rod passes through the first sliding hole and the second sliding hole, the top of the valve rod is provided with the limiting block, the first elastic part is arranged between the first sliding seat and the second sliding seat, after the regulating valve runs for a long time, the sealing between the first sliding seat and the valve rod and the sealing between the second sliding seat and the valve rod begin to age, at the moment, hot air of the valve body starts to enter a first cavity of the valve seat through the first through hole, the second through hole and a sealing gap on the valve rod, the hot air entering the first cavity is limited between the sliding rod and the limiting block, the pressure of the hot air in the first cavity rises to start to press the second sliding seat downwards, the second sliding seat slides downwards on the valve rod, the first elastic part is compressed, thereby begin to release the hot-blast pressure of leakage, effectively prevent that hot-blast pressure between slide bar and the spacing block in first inner chamber from accumulating, make the hot-blast pressure in first inner chamber be in normal condition, the disk seat can not last the intensification because of leaking out to operating personnel can avoid being scalded when adjusting the amount of wind through rotating the hand wheel.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description relate only to some embodiments of the present disclosure and are not limiting to the present disclosure.
Fig. 1 is a schematic view of the hot air switch sealing state of the hot air switch high temperature scalding preventing device of the utility model;
FIG. 2 is an enlarged view of FIG. 1A;
fig. 3 is a schematic view of the hot air switch opening state of the hot air switch high temperature scalding preventing device of the utility model;
fig. 4 is a right side view of the device for preventing the hot air regulating valve from being scalded at high temperature.
Reference numerals in the drawings of the specification include: the hot air switch comprises a main pipe 1, a flange 2, a valve body 3, an air inlet 30, an air outlet 31, a first inner cavity 32, a second inner cavity 33, an air induction port 34, a first through hole 35, a valve seat 4, a first cavity 40, a second through hole 41, a first sliding seat 42, a first sliding hole 42a, a second sliding seat 43, a second sliding hole 43a, a first elastic piece 44, a valve rod 5, a hot air switch 6, a limiting block 7, a sealing ring 8, a sealing pressure seat 9, a transmission shaft 10, a transmission cavity 100, a first bevel gear 11, a threaded rod 12, a sliding rod 13, a second bevel gear 14, an input shaft 15, a hand wheel 16, a support plate 17, a bearing 18, a second elastic piece 19 and a pressure relief hole 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Example 1
As shown in fig. 1 and 4, this scheme provides a prevention hot air adjusting valve high temperature scald device, contains hot air adjusting valve and is responsible for 1, and hot air adjusting valve both sides are all connected through ring flange 2 with being responsible for 1.
The specific hot air regulating valve comprises a valve body 3 which is cylindrical, an air inlet 30 and an air outlet 31 are arranged on two sides of the valve body, a first inner cavity 32 and a second inner cavity 33 are arranged in the valve body 3 from top to bottom, wherein the first inner cavity 32 is communicated with the air inlet 30, the second inner cavity 33 is communicated with the air outlet 31, an air introducing port 34 communicated with the second inner cavity 33 is arranged on the bottom wall of the first inner cavity 32, and a first through hole 35 penetrating through the valve body 3 is arranged on the top wall of the first inner cavity 32;
the valve seat 4 is fixedly arranged at the top of the valve body 3, a first cavity 40 is arranged in the valve seat, a second through hole 41 which is coaxial with the first through hole 35 is formed in the bottom of the valve seat 4, a first sliding seat 42 is fixedly arranged in the first through hole 35, a first sliding hole 42a is formed in the middle of the first sliding seat 42, a second sliding seat 43 is arranged in the second through hole 41 in a sliding mode, a second sliding hole 43a is formed in the middle of the second sliding seat 43, and a first elastic piece 44 is arranged between the first sliding seat 42 and the second sliding seat 43;
as shown in fig. 2, the valve rod 5 penetrates through the first sliding hole 42a and the second sliding hole 43a, the bottom of the valve rod 5 is connected with the hot air switch 6, the hot air switch 6 can be set to be cylindrical, truncated cone-shaped or other shapes matched with or partially matched with the air inlet 34, the scheme specifically shows the truncated cone-shaped, the top of the valve rod 5 is connected with the limiting block 7, the hot air switch 6 is arranged in the air inlet 34, the top wall of the hot air switch 6 is provided with the sealing ring 8 and the sealing pressure seat 9 which are coaxial with the valve rod 5 and larger than the inner diameter of the air inlet 34, and the diameter of the limiting block 7 is larger than the inner diameter of the second through hole 41;
the transmission mechanism comprises a transmission shaft 10, a first bevel gear 11, a second bevel gear 14, a threaded rod 12, a sliding rod 13, an input shaft 15 and a hand wheel 16, wherein the transmission shaft 10 is arranged in the first cavity 40, a transmission cavity 100 is formed in the local part of the transmission shaft 10 coaxially, the threaded rod 12 is screwed in the transmission cavity 100, the sliding rod 13 is fixed on the limiting block 7, the first bevel gear 11 is arranged at the top of the transmission shaft 10, the second bevel gear 14 and the hand wheel 16 are arranged at two ends of the input shaft 15, the second bevel gear 14 is meshed with the first bevel gear 11, and the hand wheel 16 is arranged outside.
The specific working principle of the scheme is as follows:
as shown in fig. 1 and 2, when air needs to be introduced, an operator rotates the hand wheel 16, the hand wheel 16 drives the input shaft 15 to rotate, the input shaft 15 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the first bevel gear 11 to rotate, the transmission shaft 10 rotates synchronously with the first bevel gear 11, as the threaded rod 12 is screwed in the transmission cavity 100, the transmission shaft 10 drives the threaded rod 12 to synchronously rotate and rise, the threaded rod 12 drives the sliding rod 13 to slide upwards in the first cavity 40, the sliding rod 13 drives the limiting block 7 to move upwards, as shown in fig. 3, the limiting block 7 drives the valve rod 5 and the hot air switch 6 to rise upwards, the hot air switch 6 in the scheme is arranged in a circular truncated cone shape, when the hot air switch 6 is separated from the air inlet 34, hot air sent into the first cavity 32 of the valve body 3 by the air inlet 30 is introduced into the second cavity 33 through the air inlet 34, air outlet 31 is finished, and the hot air outlet 31 rises farther in the air inlet 34, the larger the gap between the hot air switch 6 and the air induction port 34 is, the larger the amount of hot air introduced into the air induction port 34 is, when the hot air switch 6 is completely separated from the air induction port 34, the air induction port 34 is completely exposed, the opening degree of the adjusting valve is the largest, and the adjustment of the amount of hot air flowing into the air induction port 34 is realized by adjusting the amount of the hot air switch 6.
After the hot air regulating valve runs for a long time, the sealing between the first sliding seat 42 and the valve rod 5 and the second sliding seat 43 begin to age, at this time, the hot air of the valve body 3 starts to enter the first cavity 40 of the valve seat 4 through the first through hole 35 and the second through hole 41 and the sealing gap on the valve rod 5, the hot air entering the first cavity 40 is limited between the sliding rod 13 and the limiting block 7, the hot air pressure in the first cavity 40 rises to start to press the second sliding seat 43 downwards, the second sliding seat 43 slides downwards on the valve rod 5, the first elastic piece 44 is compressed, thereby releasing the pressure of the leaked hot air, effectively preventing the pressure of the hot air from accumulating between the sliding rod 13 and the limiting block 7 in the first inner cavity 32, ensuring that the pressure of the hot air in the first inner cavity 32 is in a normal state, ensuring that the valve seat 4 does not continuously rise due to the air leakage, therefore, the operator can avoid being scalded when adjusting the air volume by rotating the hand wheel 16, and sufficient time is provided for subsequent maintenance operation.
Example 2
As shown in fig. 1 and fig. 3, compared with embodiment 1, the difference is that a support plate 17 is arranged in the first cavity 40, a bearing 18 for accommodating the transmission shaft 10 is arranged in the middle of the support plate 17, and a second elastic element 19 is arranged between the support plate 17 and the stopper 7; the bearing plate 17 and the bearing 18 provide support for the transmission shaft 10 on one hand, on the other hand, when the hot air switch 6 is turned on, the threaded rod 12 is lifted upwards in the transmission cavity 100 to drive the second elastic part 19 to be compressed in the process of lifting the sliding rod 13 upwards, after the hot air switch 6 is turned to a proper opening degree, the hand wheel 16 is locked, the second elastic part 19 has a tendency of recovering deformation, when the hot air switch 6 needs to be turned off, only the locking of the hand wheel 16 needs to be released, the second elastic part 19 recovers deformation to drive the sliding rod 13 to move downwards, the threaded rod 12 is rotated and lowered in the transmission cavity 100 of the transmission shaft 10 until the limiting block 7 abuts against the second sliding seat 43, the hot air switch 6 completely enters the air introducing port 34, at the moment, the sealing ring 8 abuts against the bottom wall of the first inner cavity 32, and the sealing pressure seat 9 is arranged on the upper portion of the sealing ring 8 to form good sealing of the sealing ring 8.
Example 3:
as shown in fig. 1 and fig. 2, compared with the above embodiment, the difference is that a pressure relief hole 20 communicating with the first cavity 40 is formed on the valve seat 4 between the limiting block 7 and the sliding rod 13 on the side away from the hand wheel 16, and a pressure relief valve (not shown in the figure) can be arranged on the pressure relief hole 20; after the hot air regulating valve operates for a long time, after the seals between the first sliding seat 42 and the valve rod 5 and the second sliding seat 43 and the valve rod 5 begin to age, hot air in the first cavity 32 begins to enter the first cavity 40 of the valve seat 4 through the first through hole 35 and the second through hole 41 and the sealing gap on the valve rod 5, the hot air entering the first cavity 40 is limited between the sliding rod 13 and the limiting block 7, the hot air pressure in the first cavity 40 rises to begin to press the second sliding seat 43 downwards, the second sliding seat 43 slides downwards on the valve rod 5, and the first elastic element 44 is compressed, so that the leaked hot air pressure begins to be released; after the continuous accumulation of hot-blast of entering first inner chamber 32, pressure begins when high, carry out the pressure release through opening the relief valve, can reduce the hot-blast pressure between slide bar 13 and stopper 7 in the first inner chamber 32 fast, make the hot-blast pressure in the first inner chamber 32 be in normal condition, disk seat 4 can not last the intensification because of the hourglass wind, thereby operating personnel can avoid being scalded when adjusting the amount of wind through rotating hand wheel 16, and pressure release hole 20 sets up and is deviating from the hand wheel 16 side, do not influence operating personnel normal work.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The utility model provides a device is scalded to prevention hot air adjusting valve high temperature which characterized in that: contain hot air adjusting valve and be responsible for (1), hot air adjusting valve passes through ring flange (2) with being responsible for (1) and is connected, hot air adjusting valve contains:
the valve body (3) is cylindrical, an air inlet (30) and an air outlet (31) are formed in two sides of the valve body, a first inner cavity (32) and a second inner cavity (33) are formed in the valve body from top to bottom, the first inner cavity (32) is communicated with the air inlet (30), the second inner cavity (33) is communicated with the air outlet (31), an air introducing opening (34) communicated with the second inner cavity (33) is formed in the bottom wall of the first inner cavity (32), and a first through hole (35) penetrating through the valve body (3) is formed in the top wall of the first inner cavity (32);
the valve seat (4) is fixedly arranged at the top of the valve body (3), a first cavity (40) is formed in the valve seat (4), a second through hole (41) which is coaxial with the first through hole (35) is formed in the bottom of the valve seat (4), a first sliding seat (42) is fixedly arranged in the first through hole (35), a first sliding hole (42a) is formed in the middle of the first sliding seat (42), a second sliding seat (43) is arranged in the second through hole (41) in a sliding mode, a second sliding hole (43a) is formed in the middle of the second sliding seat (43), and a first elastic piece (44) is arranged between the first sliding seat (42) and the second sliding seat (43);
the valve rod (5) penetrates through the first sliding hole (42a) and the second sliding hole (43a), the bottom of the valve rod (5) is connected with a hot air switch (6), the top of the valve rod is connected with a limiting block (7), the hot air switch (6) is arranged in the air induction port (34), a sealing ring (8) and a sealing pressure seat (9) which are coaxial with the valve rod (5) and larger than the inner diameter of the air induction port (34) are arranged on the top wall of the hot air switch (6), and the limiting block (7) is larger than the inner diameter of the second through hole (41);
drive mechanism contains transmission shaft (10), first bevel gear (11), second bevel gear (14), threaded rod (12) and slide bar (13), input shaft (15) and hand wheel (16) that set up in first cavity (40), coaxial division of transmission shaft (10) has transmission chamber (100), threaded rod (12) screw joint is in transmission chamber (100), slide bar (13) are fixed on stopper (7), transmission shaft (10) top is located in first bevel gear (11), input shaft (15) both ends are located in second bevel gear (14) and hand wheel (16), and second bevel gear (14) and first bevel gear (11) meshing, and valve seat (4) outside is located in hand wheel (16).
2. The device of claim 1 for preventing high temperature scald of hot air regulating valve, comprising: a bearing plate (17) is arranged in the first cavity (40), a bearing (18) for accommodating the transmission shaft (10) is arranged in the middle of the bearing plate (17), and a second elastic piece (19) is arranged between the bearing plate (17) and the limiting block (7).
3. The device of claim 2 for preventing high temperature scald of hot air regulating valve, comprising: a pressure relief hole (20) communicated with the first cavity (40) is formed in the valve seat (4) on the side, away from the hand wheel (16), between the limiting block (7) and the sliding rod (13).
4. The device of any one of claims 1 to 3 for preventing high temperature scald of the hot air adjusting valve, wherein: the hot air switch (6) is in a round table shape.
5. The device of claim 3 for preventing high temperature scald of hot air regulating valve, comprising: the first elastic member (44) and the second elastic member (19) are both pressure springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022757240.XU CN214093072U (en) | 2020-11-24 | 2020-11-24 | Device for preventing hot air regulating valve from being scalded at high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022757240.XU CN214093072U (en) | 2020-11-24 | 2020-11-24 | Device for preventing hot air regulating valve from being scalded at high temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214093072U true CN214093072U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022757240.XU Active CN214093072U (en) | 2020-11-24 | 2020-11-24 | Device for preventing hot air regulating valve from being scalded at high temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214093072U (en) |
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2020
- 2020-11-24 CN CN202022757240.XU patent/CN214093072U/en active Active
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Effective date of registration: 20230605 Address after: 832000 2 North East Road, Shihezi, the Xinjiang Uygur Autonomous Region Patentee after: XINJIANG TIANFU ENERGY Co.,Ltd. Patentee after: Xinjiang Tianfu Energy Sales Co.,Ltd. Address before: No. 2, Beiyi East Road, Shihezi City, Xinjiang County Administrative division, 832000 Patentee before: XINJIANG TIANFU ENERGY Co.,Ltd. |