CN207195708U - Ultra supercritical coal-fired unit water supply regulating valve - Google Patents
Ultra supercritical coal-fired unit water supply regulating valve Download PDFInfo
- Publication number
- CN207195708U CN207195708U CN201721094053.XU CN201721094053U CN207195708U CN 207195708 U CN207195708 U CN 207195708U CN 201721094053 U CN201721094053 U CN 201721094053U CN 207195708 U CN207195708 U CN 207195708U
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- Prior art keywords
- valve
- hole
- water supply
- unit water
- ultra supercritical
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Abstract
The utility model provides a kind of ultra supercritical coal-fired unit water supply regulating valve, including valve body, bonnet, valve element and drive component, valve body is provided with mounting hole, apopore and inlet opening, valve element includes valve pocket and valve plug, valve pocket is in mounting hole, valve pocket includes a dome and flat part, dome is connected with flat part, to surround a central through hole, the lateral wall of valve pocket is provided with some intercommunicating pores, inlet opening face intercommunicating pore, the outer surface of valve plug includes arcwall face and the plane being connected with arcwall face, valve plug is in central through hole, and arcwall face is bonded with the inner surface of dome, plane is bonded with the inner surface of flat part, bonnet is covered on valve body, so that valve pocket is fixedly arranged in mounting hole, drive component is connected with valve plug, for driving valve plug to slide into covering or opening intercommunicating pore.Ultra supercritical coal-fired unit water supply regulating valve in the utility model, simple in construction, cost is low, and without manually carrying out control valve, it is easy to operate.
Description
Technical field
Ultra supercritical coal-fired unit technical field is the utility model is related to, more particularly to a kind of ultra supercritical coal-fired unit supplies
Water regulating valve.
Background technology
China's rapid economic development, resource and energy shortage turn into bottleneck problem.In recent years national development is to electricity needs
Big and speedup is fast, the electric power development planning original well beyond country, in order to alleviate the pressure of electricity needs and improve ring
Border is polluted, and low energy consumption, the ultra supercritical coal-fired unit of low emission have obtained extensive utilization.
Among the course of work of ultra supercritical thermal motor, it usually needs the water-carrying capacity of water system is adjusted, and
This process is generally adjusted by ultra supercritical coal-fired unit water supply regulating valve.
However, among prior art, complicated, the cost of the ultra supercritical coal-fired unit water supply regulating valve used at present
Height, and usually require manually to adjust, cause great inconvenience.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of ultra supercritical coal-fired unit water supply regulation simple in construction
Valve.
A kind of ultra supercritical coal-fired unit water supply regulating valve, including valve body and bonnet, in addition to valve element and drive component, institute
State valve body and be provided with mounting hole, the bottom of the mounting hole is provided with the apopore through the valve body, the side wall of the mounting hole
Be provided with includes valve pocket and valve plug through the inlet opening of the valve body, the valve element, the valve pocket it is interior located at the mounting hole and
It is brought into close contact with the inwall of the mounting hole, the valve pocket includes a dome and flat part, the dome and the flat board
Portion connects, and to surround a central through hole, the lateral wall of the valve pocket is provided with some intercommunicating pores connected with the central through hole,
Intercommunicating pore described in the inlet opening face, the outer surface of the valve plug include arcwall face and are connected with the arcwall face flat
Face, inwall of the valve plug along the central through hole slidably in the central through hole, and the arcwall face with it is described
The inner surface fitting of dome, the plane are bonded with the inner surface of the flat part, and the bonnet is covered on the valve body
On, the valve pocket is fixedly arranged in the mounting hole, the drive component is connected with the valve plug, for driving the valve plug
Slide into covering or open the intercommunicating pore.
Above-mentioned ultra supercritical coal-fired unit water supply regulating valve, when needing Open valve, the drive component can be controlled
Opened to drive the valve plug to slide, so that the valve plug does not cover the intercommunicating pore, now the inlet opening passes through the connection
Hole can connect with the apopore, complete valve opening action, when needing to close valve, can control the drive component
To drive the valve plug to slide, so that the valve plug, which slides into, covers the intercommunicating pore, the now inlet opening and the water outlet
Hole does not connect, and completes valve closing motion.Therefore the structure of the ultra supercritical coal-fired unit water supply regulating valve is simple, cost
It is low, and without manually carrying out control valve, it is easy to operate.
Further, the bottom of the mounting hole is provided with sealing gasket, and the gasket ring is located at the aperture of the apopore
Edge, the end face of the valve pocket are brought into close contact with the sealing gasket.
Further, the intercommunicating pore is on the flat part.
Further, the flat part includes the first connected region, the second connection arranged successively along the axial direction of the valve pocket
Area and third connecting area, the third connecting area include several close to the bottom of the mounting hole, all intercommunicating pores
First intercommunicating pore, several second intercommunicating pores and several third connecting holes, all first intercommunicating pores are distributed on described
On first connected region, all second intercommunicating pores are distributed on second connected region, all third connecting holes
It is distributed in the third connecting area.
Further, the aperture of first intercommunicating pore is more than the aperture of second intercommunicating pore, second intercommunicating pore
Aperture be more than the third connecting hole aperture.
Further, the drive component includes motor, driving gear, driven gear and adjusting screw rod, the drive
Dynamic motor is fixedly arranged on the bonnet, and the driving gear is sleeved on the output shaft of the motor, the adjusting screw rod
Rotatably it is installed on the bonnet, one end of the adjusting screw rod and the valve plug threaded engagement connection, the driven tooth
Wheel is sleeved on the other end of the adjusting screw rod, and the driving gear engages connection with the driven gear.
Further, the adjusting screw rod is rotatably installed on the bonnet by a bearing.
Further, the valve plug is provided with a screwed hole vertically, and the screwed hole runs through the valve plug, the screwed hole
Screw and be connected with the adjusting screw rod.
Further, twice of the length of the valve pocket more than the valve plug length.
Further, the bonnet is bolted structure and is removably fixedly arranged on the valve body.
Brief description of the drawings
Fig. 1 is the cross section structure signal of the ultra supercritical coal-fired unit water supply regulating valve in the utility model first embodiment
Figure.
Fig. 2 is the dimensional structure diagram of the valve element in the utility model first embodiment.
Main element symbol description：
| Valve body | 10 | Sealing gasket | 20 |
| Valve element | 30 | Bonnet | 40 |
| Drive component | 50 | Mounting hole | 11 |
| Apopore | 12 | Inlet opening | 13 |
| Valve pocket | 31 | Valve plug | 32 |
| Central through hole | 311 | Dome | 312 |
| Dome | 312 | Intercommunicating pore | 314 |
| First connected region | 3131 | Second connected region | 3132 |
| Third connecting area | 3133 | First intercommunicating pore | 3141 |
| Second intercommunicating pore | 3142 | Third connecting hole | 3143 |
| Screwed hole | 323 | Motor | 51 |
| Arcwall face | 321 | Plane | 322 |
| Driving gear | 52 | Driven gear | 53 |
| Adjusting screw rod | 54 | Bearing | 55 |
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Some embodiments of the present utility model are given in accompanying drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open content more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 to Fig. 2 is referred to, the ultra supercritical coal-fired unit showing in the utility model first embodiment, which supplies water, to be adjusted
Valve, including valve body 10, sealing gasket 20, valve element 30, bonnet 40 and drive component 50.
The valve body 10 is provided with mounting hole, and the cross section of the mounting hole is in " D " shape, and the bottom of the mounting hole is provided with
Through the apopore 12 of the valve body 10, the mounting hole is provided with through the inlet opening 13 of the valve body in the side wall of plane,
The ultra supercritical coal-fired unit water supply regulating valve can be connected by the inlet opening 13 with water source, the ultra supercritical thermal motor
Group water supply regulating valve can be connected by apopore 12 with the water system of ultra supercritical thermal motor.
The sealing gasket 20 is located at the bottom of the mounting hole, and the sealing gasket 20 is located on the hole of the apopore 12
Mouth edge.The sealing gasket 20 is used for when valve is closed, and prevents current from revealing.
The valve element 30 includes valve pocket 31 and valve plug 32.The cross section of the valve pocket 31 is in " D " shape, and the valve pocket 31 is located at
In the mounting hole, and the inwall of the outer surface of the valve pocket 31 and the mounting hole is brought into close contact, while the valve pocket
End face is brought into close contact with the sealing gasket.The valve pocket 31 includes a dome 312 and the flat board being connected with the dome 312
Portion 313, the dome 312 surround a central through hole 311 with the flat part 313.The flat part 313 be provided with it is described
Some intercommunicating pores 314 that central through hole 311 connects, intercommunicating pore 314 described in the face of inlet opening 13.
Specifically, the flat part 313 includes arranging successively along the axial direction of the valve pocket 31 the first connected region 3131, the
Two connected regions 3132 and third connecting area 3133, the third connecting area 3133 are and all close to the bottom of the mounting hole
The intercommunicating pore 314 includes several first intercommunicating pores 3141, several second intercommunicating pores 3142 and several third connecting holes
3143, all first intercommunicating pores 3141 are distributed on first connected region 3131, all second intercommunicating pores
3142 are distributed on second connected region 3132, and all third connecting holes 3143 are distributed on the third connecting area
On 3133.In addition, the aperture of first intercommunicating pore 3141 is more than the aperture of second intercommunicating pore 3142, second connection
The aperture in hole 3142 is more than the aperture in the third connecting hole 3143.
Wherein, the valve plug 32 is similar to piston, and the cross-sectional area of the valve plug 32 is in " D " shape, the valve plug 32 it is outer
Side surface includes arcwall face 321 and the plane 322 that is connected with the arcwall face 321, and the valve plug 32 is along the central through hole 311
Inwall slidably in the central through hole 31, and the arcwall face 321 and the inner surface of the dome 312 paste
Close, the plane 322 is bonded with the inner surface of the flat part 313, and works as the ultra supercritical coal-fired unit water supply regulating valve
When being closed (now current can not circulate), the valve plug 32 is sealed against with the sealing gasket 30.The valve plug 32
A screwed hole 323 is provided with vertically, and the screwed hole 323 runs through the valve plug 32.The length of the valve pocket 31 is more than the valve
Fill in 32 length twice, so that the valve plug 32 possesses enough slippages, it is ensured that all intercommunicating pores 314 can be beaten
Open.
The bonnet 40 is bolted structure and is removably fixedly arranged on the valve body 10, and the valve pocket 31 is consolidated
In the mounting hole.It should be understood that among other embodiments, the bonnet 40 can also be connected by screw structure
It is detachably connected with the valve body 10.
The drive component 50 is connected with the valve plug 32, for driving the valve plug 32 to slide into described in covering or opening
Intercommunicating pore 314.Specifically, the drive component 50 includes motor 51, driving gear 52, driven gear 53 and adjusting screw rod
54, the motor 51 is fixedly arranged on the bonnet 40, and the driving gear 52 is sleeved on the output of the motor 51
On axle, the adjusting screw rod 54 is rotatably installed on the bonnet 40 by a bearing 55, and the adjusting screw rod 54
One end and the threaded engagement connection of screwed hole 221 of the valve plug 32, the driven gear 53 are sleeved on the adjusting screw rod 54
On the other end, and the driving gear 52 engages connection with the driven gear 53.
The ultra supercritical coal-fired unit water supply regulating valve when needing to open valve, can control institute when specifically used
State motor 51 to rotate forward, under gear drive, the adjusting screw rod 54 will be driven to rotate accordingly, due to the valve plug 32
(valve plug 32 can not rotate relative to the valve pocket 31) is coordinated using " D " shape with the valve pocket 31, now the adjusting screw rod
54 will drive the valve plug 32 towards away from the mounting hole bottom direction slide, the valve plug 32 among this sliding process,
The third connecting hole 3143, second intercommunicating pore 3142 and first intercommunicating pore 3141 will be successively opened successively；
When opening the third connecting hole 3143 (now valve is in small guide vane), the water inlet 13 passes through described
Tee joint hole 3143 connects with the delivery port 12, because the aperture in the third connecting hole 3143 is smaller, therefore water-carrying capacity
It is smaller；
When being opened to second intercommunicating pore 3142 (now valve is in middle aperture), the water inlet 13 is by described
Third connecting hole 3143 and second intercommunicating pore 3142 connect with the delivery port 12, water-carrying capacity by it is small be changed into it is medium；
When being opened to first intercommunicating pore 3141 (now valve is in opens completely), the water inlet 13 passes through institute
Third connecting hole 3143, second intercommunicating pore 3142 and first intercommunicating pore 3141 is stated to connect with the delivery port 12, this
When water-carrying capacity be changed into big flow by medium；
When needing to close valve, it can control the motor 51 to invert, will now drive the valve plug 32 towards institute
The basal sliding of mounting hole is stated, among this sliding process, the valve plug 32 will successively slide into covers first company successively
Through hole 3141, second intercommunicating pore 3142 and the third connecting hole 3143, until with the sealing gasket 20 against.
To sum up, the ultra supercritical coal-fired unit water supply regulating valve among the utility model above-described embodiment, due to the valve
The part that core 30 includes is few and assembling is simple, and realizes valve opening and the principle closed and simple in construction, so that described super
The structure of supercritical thermal power unit water supply regulating valve is simple, and cost is low.Moreover, by the drive component 50 of setting,
It is capable of the unlatching and closing of autocontrol valve, it is easy to operate without manually carrying out control valve, while the ultra supercritical
Fired power generating unit water supply regulating valve can also realize the regulation of water-carrying capacity, wide adaptability.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of ultra supercritical coal-fired unit water supply regulating valve, including valve body and bonnet, it is characterised in that also including valve element and drive
Dynamic component, the valve body are provided with mounting hole, and the bottom of the mounting hole is provided with the apopore through the valve body, the installation
The side wall in hole is provided with includes valve pocket and valve plug through the inlet opening of the valve body, the valve element, and the valve pocket is located at the peace
Be brought into close contact in dress hole and with the inwall of the mounting hole, the valve pocket includes a dome and flat part, the dome and
The flat part connection, to surround a central through hole, if the lateral wall of the valve pocket is provided with what is connected with the central through hole
Involvement through hole, intercommunicating pore described in the inlet opening face, the outer surface of the valve plug include arcwall face and with the arcwall face
The plane of connection, inwall of the valve plug along the central through hole is slidably in the central through hole, and the arc
Face is bonded with the inner surface of the dome, and the plane is bonded with the inner surface of the flat part, and the bonnet is covered on
On the valve body, the valve pocket is fixedly arranged in the mounting hole, the drive component is connected with the valve plug, for driving
The valve plug slides into covering or opens the intercommunicating pore.
2. ultra supercritical coal-fired unit water supply regulating valve according to claim 1, it is characterised in that the bottom of the mounting hole
Portion is provided with sealing gasket, and the gasket ring is located at the orifice edge of the apopore, the end face of the valve pocket and the sealing gasket
It is brought into close contact.
3. ultra supercritical coal-fired unit water supply regulating valve according to claim 1, it is characterised in that the intercommunicating pore is located at
On the flat part.
4. ultra supercritical coal-fired unit water supply regulating valve according to claim 3, it is characterised in that the flat part includes
The first connected region, the second connected region and the third connecting area to be arranged successively along the axial direction of the valve pocket, the third connecting area is leaned on
The bottom of the nearly mounting hole, if all intercommunicating pores include several first intercommunicating pores, several second intercommunicating pores and
Dry third connecting hole, all first intercommunicating pores are distributed on first connected region, all second connections
Hole is distributed on second connected region, and all third connecting holes are distributed in the third connecting area.
5. ultra supercritical coal-fired unit water supply regulating valve according to claim 4, it is characterised in that first intercommunicating pore
Aperture be more than the aperture of second intercommunicating pore, the aperture of second intercommunicating pore is more than the aperture in the third connecting hole.
6. ultra supercritical coal-fired unit water supply regulating valve according to claim 1, it is characterised in that the drive component bag
Motor, driving gear, driven gear and adjusting screw rod are included, the motor is fixedly arranged on the bonnet, the active
On the output shaft of the motor, the adjusting screw rod is rotatably installed on the bonnet gear set, the tune
The one end and the valve plug threaded engagement connection, the driven gear for saving screw rod are sleeved on the other end of the adjusting screw rod,
And the driving gear engages connection with the driven gear.
7. ultra supercritical coal-fired unit water supply regulating valve according to claim 6, it is characterised in that the adjusting screw rod leads to
A bearing is crossed rotatably to be installed on the bonnet.
8. ultra supercritical coal-fired unit water supply regulating valve according to claim 6, it is characterised in that the valve plug is vertically
Provided with a screwed hole, the screwed hole runs through the valve plug, and the screwed hole is screwed with the adjusting screw rod and is connected.
9. ultra supercritical coal-fired unit water supply regulating valve according to claim 1, it is characterised in that the length of the valve pocket
More than twice of the valve plug length.
10. ultra supercritical coal-fired unit water supply regulating valve according to claim 1, it is characterised in that the bonnet passes through
Bolt fastening structure is removably fixedly arranged on the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094053.XU CN207195708U (en) | 2017-08-29 | 2017-08-29 | Ultra supercritical coal-fired unit water supply regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094053.XU CN207195708U (en) | 2017-08-29 | 2017-08-29 | Ultra supercritical coal-fired unit water supply regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195708U true CN207195708U (en) | 2018-04-06 |
Family
ID=61795552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721094053.XU Expired - Fee Related CN207195708U (en) | 2017-08-29 | 2017-08-29 | Ultra supercritical coal-fired unit water supply regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397601A (en) * | 2019-08-25 | 2019-11-01 | 杨桂英 | A kind of urban life water supply pump installation |
-
2017
- 2017-08-29 CN CN201721094053.XU patent/CN207195708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397601A (en) * | 2019-08-25 | 2019-11-01 | 杨桂英 | A kind of urban life water supply pump installation |
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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 |
Granted publication date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |