CN210014047U - Full-bore block valve for pressure test of thermal power generating unit - Google Patents
Full-bore block valve for pressure test of thermal power generating unit Download PDFInfo
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- CN210014047U CN210014047U CN201920539898.8U CN201920539898U CN210014047U CN 210014047 U CN210014047 U CN 210014047U CN 201920539898 U CN201920539898 U CN 201920539898U CN 210014047 U CN210014047 U CN 210014047U
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Abstract
The utility model discloses a full-bore block valve for pressure test of a thermal power generating unit, which comprises a valve body, wherein the head part of the valve body is fixed with an air inlet pipeline, the head part of the air inlet pipeline is fixed with a first flange, the tail part of the valve body is fixed with an air outlet pipeline, the full-bore block valve for pressure test of the thermal power generating unit is easy to operate, intelligent pressure measurement and display are realized, the safety is good, the labor intensity is reduced, the valve is easy to replace and maintain through a second flange and the first flange, the pressure balance is realized through an air inlet valve and an air guide hole, the friction force between the valve core and a valve cavity when the valve core rotates is reduced, the rotation of the valve core is easy to operate, the abrasion is reduced, the service life is prolonged, the valve core is prevented from expanding under the action of high temperature by a spring and a sealing ring, the valve core is clamped on the valve cavity, the normal, the hand is not scalded by the heat insulation sleeve, the safety is good, the operation is easy, and the high-temperature operation is suitable.
Description
Technical Field
The utility model relates to a full latus rectum stifled valve field specifically is a thermal power unit pressure testing is with full latus rectum stifled valve.
Background
In the prior art: the thermal power generating set uses coal, oil or combustible gas as fuel, heats water in a boiler to increase the temperature, and then uses steam with certain pressure to drive a turbine type generating set, and in the process of using and producing the thermal power generating set, the pressure measurement is often needed to the steam.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a thermal power unit pressure testing with stifled valve of full latus rectum, intelligent pressure measurement and demonstration have reduced intensity of labour, easily change and maintenance, easily operation, the loss is low, longe-lived, can normally work at high temperature and high pressure effect, and the security is good, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a full-bore block valve for pressure test of a thermal power generating unit comprises a valve body, wherein a gas inlet pipeline is fixed at the head of the valve body, a first flange is fixed at the head of the gas inlet pipeline, a gas outlet pipeline is fixed at the tail of the valve body, a second flange is fixed at the tail of the gas outlet pipeline, a single chip microcomputer and a display screen are respectively installed on the side surface of the valve body, a valve cavity is formed in the valve body, a valve core is connected onto the valve cavity in a sliding mode, a valve channel penetrating through the valve core is formed in the middle of the inside of the valve core, pressure grooves are formed in the front end and the rear end of the valve core respectively, a pressure sensor is fixed inside each pressure groove, a torsion column is fixed at the upper end of the valve core, a torsion disc is fixed at the upper end of the torsion column, at least six torsion bars are fixed on the torsion disc at equal intervals, the input end of the display screen is electrically connected with the output end of the single chip microcomputer.
As a preferred technical scheme of the utility model, the admission line leads to through the admission valve with the air guide hole intercommunication on the valve body, the admission valve leads to and installs the solenoid valve, the other end intercommunication valve pocket of air guide hole, the input of solenoid valve is connected with the output electricity of singlechip.
As a preferred technical scheme of the utility model, two mounting grooves have been seted up respectively to the inside head that is close to the case of valve body and the position of afterbody, be fixed with the spring on the mounting groove, the other end of spring is fixed with the sealing washer, sealing washer sliding connection is on the mounting groove.
As an optimized technical scheme of the utility model, the spout has been seted up between case and the valve pocket, the inside roll connection of spout has the ball.
As a preferred technical scheme of the utility model, the one end that turns round the dish is kept away from to six torsion bars has cup jointed the radiation shield cover respectively, the radiation shield cover is aerogel felt cover.
Compared with the prior art, the beneficial effects of the utility model are that: the full-diameter plug valve for pressure test of the thermal power unit has the advantages that the rotation of the valve element is easy to operate through the torsion bar, the torsion disc and the torsion column, intelligent pressure measurement and display are realized through the pressure sensor and the display screen, the safety is good, the labor intensity is reduced, the valve element is easy to replace and maintain through the second flange and the first flange, the pressure balance is realized through the air inlet valve and the air guide hole, the friction force between the valve element and the valve cavity when the valve element rotates is reduced, the rotation of the valve element is easy to operate, the abrasion is reduced, the service life is prolonged, the valve element is prevented from expanding under the high-temperature effect through the spring and the sealing ring and is clamped on the valve cavity, the normal operation under the high temperature is realized, the valve element is convenient to rotate through the balls, the friction coefficient is reduced, the service life is prolonged, hands.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the longitudinal structure of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a partial enlargement of the position B of the present invention;
fig. 5 is a partial enlarged view of the position a of the present invention.
In the figure: the valve comprises a valve body 1, an air outlet pipeline 2, a second flange 3, an air inlet pipeline 4, a first flange 5, a display screen 6, an air inlet valve 7, a single chip microcomputer 8, an electromagnetic valve 9, an air guide hole 10, a heat insulation sleeve 11, a torsion bar 12, a torsion disc 13, a torsion column 14, a sliding groove 15, a ball 16, a spring 17, a pressure sensor 18, a pressure through groove 19, a valve core 20, a valve channel 21, a valve cavity 22, a sealing ring 23 and an installation groove 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a full-diameter block valve for pressure test of a thermal power generating unit comprises a valve body 1, wherein a gas inlet pipeline 4 is fixed at the head of the valve body 1, a first flange 5 is fixed at the head of the gas inlet pipeline 4, a gas outlet pipeline 2 is fixed at the tail of the valve body 1, a second flange 3 is fixed at the tail of the gas outlet pipeline 2, a single chip microcomputer 8 is fixed at the side of the valve body 1, a display screen 6 is fixed at the side of the valve body 1, which is positioned above the single chip microcomputer 8, a valve cavity 22 is arranged in the valve body 1, a valve core 20 is connected on the valve cavity 22 in a sliding manner, a valve channel 21 penetrating through the valve core 20 is arranged in the middle of the valve core 20, pressure grooves 19 are respectively arranged at the front end and the rear end of the valve core 20, a pressure sensor 18 is fixed in the pressure grooves 19, a torsion column 14 is fixed at the upper end of the valve core 20, a torsion disc 13 is fixed at the upper end of the torsion column 14, the input end of the display screen 6 is electrically connected with the output end of the singlechip 8, the torsion bar 12 is twisted to drive the torsion disc 13 and the torsion column 14 to rotate, the torsion column 14 drives the valve core 20 to rotate in the valve cavity 22, the valve channel 21 is rotated to be vertical to the air outlet pipeline 2, the channel can be closed, the vapor in the air inlet pipeline 4 is blocked and enters the pressure through groove 19, the pressure through groove 19 conducts pressure measurement on the vapor and then transmits the data to the singlechip 8, the singlechip 8 processes the pressure data and then displays the pressure data on the display screen 6, after the pressure measurement is completed, the twisting disc 13 is rotated in the opposite direction to rotate the valve channel 21 to be parallel to the air outlet pipeline 2, the valve channel 21 in the valve channel 21 can be communicated with the channel, the rotation of the valve core 20 is easy to operate through the torsion bar 12, the torsion disc 13 and the torsion column 14, intelligent pressure measurement and display are realized through the pressure sensor 18 and the display screen 6, the safety is good, the labor intensity is reduced, and the valve core is easy to replace and maintain through the second flange 3 and the first flange 5;
the air inlet pipeline 4 is communicated with an air guide hole 10 on the valve body 1 through an air inlet valve 7, an electromagnetic valve 9 is installed on the air inlet valve 7, the other end of the air guide hole 10 is communicated with a valve cavity 22, the input end of the electromagnetic valve 9 is electrically connected with the output end of the single chip microcomputer 8, the single chip microcomputer 8 is operated before the valve core 20 is rotated, the single chip microcomputer 8 controls the electromagnetic valve 9 to be opened, high-pressure air in the air inlet pipeline 4 is guided into the air guide hole 10 through the air inlet valve 7, the high-pressure air is guided into the valve cavity 22 through the air guide hole 10 to be balanced with the pressure of the air in the air inlet pipeline 4, then the valve core 20 is rotated, the single chip microcomputer 8 is operated to close the electromagnetic valve 9 after a proper working position is reached, the pressure balance is realized through the air inlet valve 7 and the air;
two mounting grooves 24 are respectively formed in the position, close to the head and the tail of the valve core 20, in the valve body 1, a spring 17 is fixed on each mounting groove 24, a sealing ring 23 is fixed at the other end of each spring 17, each sealing ring 23 is connected to the corresponding mounting groove 24 in a sliding mode, when the valve core 20 expands under the action of high temperature, each sealing ring 23 contracts backwards under the action of each spring 17 and still compresses the valve core 20, the sealing effect is achieved, the valve core 20 is prevented from expanding under the action of high temperature through the springs 17 and the sealing rings 23 and is clamped on the valve cavity 22, and normal work under the high temperature is achieved;
a sliding groove 15 is formed between the valve core 20 and the valve cavity 22, a ball 16 is connected to the inside of the sliding groove 15 in a rolling manner, when the valve core 20 rotates, sliding friction force is converted into rolling friction force, the valve core 20 is convenient to rotate through the ball 16, the friction coefficient is reduced, and the service life is prolonged;
one ends, far away from the twisting disc 13, of the six torsion bars 12 are respectively sleeved with a heat insulation sleeve 11, the heat insulation sleeves 11 are made of aerogel felts, hands are not scalded through the heat insulation sleeves 11, safety is good, operation is easy, and high-temperature operation is suitable.
The single chip microcomputer 8 controls the display screen 6, the electromagnetic valve 9 and the pressure sensor 19 to work in a common mode in the prior art, and the single chip microcomputer 8 is of an MSP430 model.
When in use: twisting a torsion bar 12 to drive a twisting disc 13 and a twisting column 14 to rotate, wherein the twisting column 14 drives a valve core 20 to rotate in a valve cavity 22, a valve channel 21 is rotated to be perpendicular to an air outlet pipeline 2, a channel can be closed, water vapor in the air inlet pipeline 4 is blocked and enters a pressure through groove 19, the pressure through groove 19 carries out pressure measurement on the water vapor and then transmits data to a single chip microcomputer 8, the single chip microcomputer 8 processes pressure data and then displays the pressure data on a display screen 6, after the pressure measurement is finished, the twisting disc 13 is rotated in the opposite direction, the valve channel 21 is rotated to be parallel to the air outlet pipeline 2, the valve channel 21 in the valve channel 21 can be communicated with the channel, before the valve core 20 is rotated, the single chip microcomputer 8 is operated, the single chip microcomputer 8 controls an electromagnetic valve 9 to be opened, high-pressure gas in the air inlet pipeline 4 is guided into an air guide hole 10 through an air inlet valve through 7, the air guide, and then the valve core 20 is rotated to reach a proper working position, the single chip microcomputer 8 is operated to close the electromagnetic valve 9, when the valve core 20 expands under the action of high temperature, the sealing ring 23 contracts under the action of the spring 17 and still presses the valve core 20 to achieve the sealing effect, and when the valve core 20 rotates, the sliding friction force is converted into the rolling friction force.
The utility model discloses intelligent pressure measurement and demonstration have reduced intensity of labour, and easily change and maintenance are easily operated, and the loss is low, and is longe-lived, can normally work at high temperature and high pressure, and the security is good.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a thermal power unit pressure testing is with stifled valve of full latus rectum, includes valve body (1), its characterized in that: the pressure-sensitive valve is characterized in that an air inlet pipeline (4) is fixed at the head of the valve body (1), a first flange (5) is fixed at the head of the air inlet pipeline (4), an air outlet pipeline (2) is fixed at the tail of the valve body (1), a second flange (3) is fixed at the tail of the air outlet pipeline (2), a single chip microcomputer (8) and a display screen (6) are respectively installed on the side surface of the valve body (1), a valve cavity (22) is formed in the valve body (1), a valve core (20) is connected onto the valve cavity (22) in a sliding mode, a valve channel (21) penetrating through the valve core (20) is formed in the middle of the inner portion of the valve core (20), pressure through grooves (19) are respectively formed in the front end and the rear end of the valve core (20), a pressure sensor (18) is fixed in the pressure through groove (19), a torsion column (14) is fixed at the upper end of the valve core (20), at least six torsion bars (12) are fixed on the torsion disc (13) at equal intervals, the output ends of the pressure sensor (18) and the external power supply are electrically connected with the input end of the single chip microcomputer (8), and the input end of the display screen (6) is electrically connected with the output end of the single chip microcomputer (8).
2. The full-bore plugging valve for the pressure test of the thermal power generating unit according to claim 1, characterized in that: air inlet pipe (4) lead to (7) through the admission valve and communicate with air guide hole (10) on valve body (1), the admission valve leads to and installs solenoid valve (9) on (7), the other end intercommunication valve pocket (22) of air guide hole (10), the input of solenoid valve (9) is connected with the output electricity of singlechip (8).
3. The full-bore plugging valve for the pressure test of the thermal power generating unit according to claim 1, characterized in that: two mounting grooves (24) are respectively formed in the positions, close to the head and the tail of the valve core (20), in the valve body (1), a spring (17) is fixed on each mounting groove (24), a sealing ring (23) is fixed at the other end of each spring (17), and the sealing rings (23) are connected to the mounting grooves (24) in a sliding mode.
4. The full-bore plugging valve for the pressure test of the thermal power generating unit according to claim 1, characterized in that: a sliding groove (15) is formed between the valve core (20) and the valve cavity (22), and balls (16) are connected inside the sliding groove (15) in a rolling mode.
5. The full-bore plugging valve for the pressure test of the thermal power generating unit according to claim 1, characterized in that: one ends, far away from the torsion disc (13), of the six torsion bars (12) are respectively sleeved with a heat insulation sleeve (11), and the heat insulation sleeves (11) are aerogel felt sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539898.8U CN210014047U (en) | 2019-04-19 | 2019-04-19 | Full-bore block valve for pressure test of thermal power generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539898.8U CN210014047U (en) | 2019-04-19 | 2019-04-19 | Full-bore block valve for pressure test of thermal power generating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014047U true CN210014047U (en) | 2020-02-04 |
Family
ID=69315462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920539898.8U Expired - Fee Related CN210014047U (en) | 2019-04-19 | 2019-04-19 | Full-bore block valve for pressure test of thermal power generating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014047U (en) |
-
2019
- 2019-04-19 CN CN201920539898.8U patent/CN210014047U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200204 Termination date: 20210419 |