CN208831776U - Heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve - Google Patents
Heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve Download PDFInfo
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- CN208831776U CN208831776U CN201820831273.4U CN201820831273U CN208831776U CN 208831776 U CN208831776 U CN 208831776U CN 201820831273 U CN201820831273 U CN 201820831273U CN 208831776 U CN208831776 U CN 208831776U
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- valve
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- flashboard
- sprocket wheel
- nuclear power
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Abstract
A kind of nuclear power island heart sprocket wheel opening and closing that the present utility model discloses high-temperature pipe apparatus field locks band bypass pollution discharge type gate valve, including valve body, flashboard, valve seat, valve rod, valve deck, hard sealing ring, gasket ring, pendant collet, filler, locking nut, pressing sleeve, pressing plate, bracket, gearhead, sprocket wheel, chain, lock, opening and closing position indicator, plug screw and bypass valve, it is characterized by: being equipped with valve seat in the valve body, valve deck is fixed on valve body by locking nut, hard sealing ring is equipped between valve deck and valve body, valve body both ends are the inlet and outlet connecting with pipeline；Flashboard is equipped among valve seat, flashboard is connect with valve rod, and valve rod drives flashboard to move up and down, and flashboard moves down, the runner of 2 sides in the flashboard block valve body of flashboard two sides；The valve body inlet and outlet both ends welded type is connect with pipeline.The utility model has many advantages, such as that high pressure resistant, wear-and corrosion-resistant, service life are long and safe and reliable.
Description
Technical field
It is opened and closed the present invention relates to a kind of nuclear power island heart of high-temperature pipe apparatus field sprocket wheel and locks band bypass pollution discharge type lock
Valve.
Background technique
Gate valve is a kind of industrial common pipe-line equipment, and the medium in pipeline is connected or be truncated to traditional gate valve.In order to
Energy consumption is reduced, improves generating efficiency, generating equipment is just towards enlargement, high parameter, high-performance development.With nuclear power island central band bypass
Pollution discharge type gate valve is widely used in nuclear power island heart grade high temperature, high pressure, High Pressure Difference, the process of all kinds of bad working environments of high corrosion and opens
Or control is closed, have with traditional gate valve design comparison using pressure is big, wear-resisting, anti-corrosion, the service life is long, safe and reliable etc. a series of
Advantage.Sprocket wheel opening and closing band bypass pollution discharge type gate valve pressure increases, and frequency of use is higher, and valve sealing face is prone to wear, it is necessary to adopt
With STL cemented carbide material, improve that valve sealing face is corrosion-resistant, wearability.Sprocket wheel valve is manually operated at a distance, be overcome by
It is inconvenient and use in valve installation site limitation bring.
Summary of the invention
It is big that present invention aim to address valve pressures, the short problem of service life, and providing one kind can grasp manually at a distance
Make, improves that valve is big using pressure, nuclear power island heart sprocket wheel opening and closing that meet applying working condition locks band bypass pollution discharge type gate valve.
The present invention is achieved by the following technical solutions:
A kind of heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve, including valve body, flashboard, valve seat, valve rod, valve
Lid, hard sealing ring, gasket ring, pendant collet, filler, locking nut, pressing sleeve, pressing plate, bracket, gearhead, sprocket wheel, chain, lock, opening and closing
Position indicator, plug screw and bypass valve, it is characterised in that: valve seat is equipped in the valve body, valve deck is fixed on by locking nut
On valve body, hard sealing ring is equipped between valve deck and valve body, valve body both ends are the inlet and outlet connecting with pipeline；Lock is equipped among valve seat
Plate, flashboard are connect with valve rod, and valve rod drives flashboard to move up and down, and flashboard moves down, 2 in the flashboard block valve body of flashboard two sides
The runner of side；The valve body inlet and outlet both ends welded type is connect with pipeline；Above-mentioned technical proposal is further described: institute
The gearhead stated is the gearhead of belt sprocket；Be further described to above-mentioned technical proposal: the gearhead is equipped with opening and closing
Position indicator；Be further described to above-mentioned technical proposal: the valve body is equipped with safety valve reservation device；To above-mentioned
Technical solution is further described: bypass pressure relief device is equipped on the valve body；Above-mentioned technical proposal is made further
Explanation: the body base be equipped with drain plug；Above-mentioned technical proposal is further described: the handwheel of the gearhead
It is equipped with safety lock；Be further described to above-mentioned technical proposal: the pressure resistance of the valve body is greater than 1500Lb.
The present invention has many advantages, such as that high pressure resistant, wear-and corrosion-resistant, service life are long and safe and reliable.
Detailed description of the invention
Fig. 1 is that heart sprocket wheel opening and closing in nuclear power island locks band bypass pollution discharge type gate valve structure schematic diagram.
Fig. 2 is bypass pressure relief device structural schematic diagram.
In figure: valve body 1, valve seat 2, flashboard 3, valve rod 4, valve deck 5, hard sealing ring 6, gasket ring 7, pendant collet 8, filler 9, lock
Tight nut 10, pressing sleeve 11, pressing plate 12, bracket 13, gearhead 14, sprocket wheel 15, chain 16, lock 17, opening and closing position indicator 18,
Plug screw 19, bypass pressure relief device 20 and safety valve reservation device 21.
Specific embodiment
The contents of the present invention are further described with reference to the accompanying drawing:
As shown be the nuclear power island heart sprocket wheel opening and closing lock band bypass pollution discharge type gate valve structure schematic diagram, including valve body 1,
Valve seat 2, flashboard 3, valve rod 4, valve deck 5, hard sealing ring 6, gasket ring 7, pendant collet 8, filler 9, locking nut 10, pressing sleeve 11, pressing plate
12, bracket 13, gearhead 14, sprocket wheel 15, chain 16, lock 17, opening and closing position indicator 18, plug screw 19, bypass pressure relief device 20
With safety valve reservation device 21.
Present invention aim to address the short and remote manual operations of valve service life, improve valve and are asked greatly using pressure
Topic provides a kind of band bypass pollution discharge type gate valve design, opens and closes band bypass pollution discharge type with sprocket wheel, increases the reserved dress of a safety valve
It sets, it is ensured that valve operational safety, the nuclear power island heart sprocket wheel opening and closing for increasing the opening and closing of a locking device control valve lock band side
Logical pollution discharge type gate valve.
Design scheme
The technical requirements and technical conditions that user investigates → identifies project → design calculate, and determine the wall thickness of valve pressure part
Equal technical parameters → design valve.
Product structure: heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve.Composition: valve body, flashboard, valve seat,
Valve rod, valve deck, hard sealing ring, gasket ring, pendant collet, filler, locking nut, pressing sleeve, pressing plate, bracket, gearhead, sprocket wheel, chain,
The compositions such as lock, opening and closing position indicator, plug screw, bypass valve.Connection type: inlet and outlet both ends welded type.
Specific technical solution
1. the design of original gear head handwheel be it is common, existing gearhead handwheel design is belt sprocket, convenient remote manual
Operation.
2. former self-sealing material is soft graphite, pressure is in 900LB or less.Now reached using F316 stainless steel, pressure
1500LB or more.
3. increasing a safety valve reservation device, it is suitable for special operation condition lower valve and is safely operated.
4. increasing a blowdown apparatus, dirt is excluded.Increase an opening and closing position indicator, the row that control valve is opened
Journey.
5. increasing bypass pressure relief device, it is ensured that valve operational safety.
6. increase a locking device, the opening and closing of control valve, safe operation.
Implementation method
The technical requirements and technical conditions that user investigates → identifies project → design calculate, and determine the wall thickness of valve pressure part
Master-plan → design review of equal technical parameters → valving scheme → select to close according to the technical requirements and technical conditions of design
The raw material → checking and accepting by standard and technical requirements detection → that the supplier of lattice → product purchasing production needs press detail of design tissue
Production → assembly → carrying out properties detection and test to valve model machine by standard and the technical requirements of design → send country to recognize
Can authoritative department detect → detect qualification after, technique, production division formulate technique → tissue batch suitable for mass production
Amount production.
Process route:
External coordination casting → inspection → rough turn inlet and outlet both ends → rough turn middle resonator end surface → vehicle valve seat welding surface → built-up welding sealing
Face → smart car sealing surface of seat → sealing surface flaw detection → smart car lumen → drilling → vehicle imports and exports both ends groove.
Claims (8)
1. a kind of heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve, including valve body, flashboard, valve seat, valve rod, valve
Lid, hard sealing ring, gasket ring, pendant collet, filler, locking nut, pressing sleeve, pressing plate, bracket, gearhead, sprocket wheel, chain, lock, opening and closing
Position indicator, plug screw and bypass valve, it is characterised in that: valve seat is equipped in the valve body, valve deck is fixed on by locking nut
On valve body, hard sealing ring is equipped between valve deck and valve body, valve body both ends are the inlet and outlet connecting with pipeline；Lock is equipped among valve seat
Plate, flashboard are connect with valve rod, and valve rod drives flashboard to move up and down, and flashboard moves down, 2 in the flashboard block valve body of flashboard two sides
The runner of side；The valve body inlet and outlet both ends welded type is connect with pipeline.
2. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
The gearhead stated is the gearhead of belt sprocket.
3. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
It states gearhead and is equipped with opening and closing position indicator.
4. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
The valve body stated is equipped with safety valve reservation device.
5. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
Bypass pressure relief device is installed on the valve body stated.
6. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
Body base is stated equipped with drain plug.
7. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
The handwheel for stating gearhead is equipped with safety lock.
8. heart sprocket wheel in nuclear power island according to claim 1, which opens and closes, locks band bypass pollution discharge type gate valve, it is characterised in that: institute
The pressure resistance for stating valve body is greater than 1500Lb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820831273.4U CN208831776U (en) | 2018-05-31 | 2018-05-31 | Heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820831273.4U CN208831776U (en) | 2018-05-31 | 2018-05-31 | Heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831776U true CN208831776U (en) | 2019-05-07 |
Family
ID=66304943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820831273.4U Active CN208831776U (en) | 2018-05-31 | 2018-05-31 | Heart sprocket wheel in nuclear power island, which opens and closes, locks band bypass pollution discharge type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553049A (en) * | 2019-10-17 | 2019-12-10 | 荆门市中金铝业铸造有限公司 | Angular sewage discharge gate valve |
-
2018
- 2018-05-31 CN CN201820831273.4U patent/CN208831776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553049A (en) * | 2019-10-17 | 2019-12-10 | 荆门市中金铝业铸造有限公司 | Angular sewage discharge gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210222 Address after: 226500 No.1 Guodian Road, Chengnan street, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Guodian Valve Technology Co.,Ltd. Address before: 226500 Taoyuan West Road 1, Chengnan street, Rugao City, Nantong, Jiangsu Patentee before: NANTONG STATE ELECTRIC POWER VALVE Co.,Ltd. |
|
| TR01 | Transfer of patent right |