CN208457225U - A kind of reducing-and-cooling plant feed-regulating valve - Google Patents
A kind of reducing-and-cooling plant feed-regulating valve Download PDFInfo
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- CN208457225U CN208457225U CN201821010031.5U CN201821010031U CN208457225U CN 208457225 U CN208457225 U CN 208457225U CN 201821010031 U CN201821010031 U CN 201821010031U CN 208457225 U CN208457225 U CN 208457225U
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Abstract
A kind of reducing-and-cooling plant feed-regulating valve, including valve body, valve deck and valve rod, the valve deck and valve body is bolted, valve seat is equipped in the valve body, the valve seat is pressed in valve body by pressing sleeve, and electric operator is arranged in the valve deck upper end, the electric operator is connect by halfnut with valve rod, the valve rod lower end is fixedly connected with flap, and the flap is matched with valve seat, and the valve rod and flap have two groups.The utility model has the following beneficial effects: the utility model structure is simple, it is novel in design, pass through two groups of valve rods of setting and flap, it provides more streams and sets coefficient, make the stream of feed-regulating valve set coefficient at least to improve twice, effectively raise the adjusting sensitivity and accuracy of humidity control system, significant effect.
Description
Technical field
The utility model relates to chemical industry equipment manufacturing technology fields, and in particular to a kind of reducing-and-cooling plant is adjusted with water supply
Valve.
Background technique
Reducing-and-cooling plant is cogeneration of heat and power in modern industry, central heating (or steam supply) and light industry, electric power, chemical industry, spinning
Zhi Deng enterprise a kind of widely applied steam thermal energy parameter (pressure, temperature) transition device and utilizes waste heat in Thermal Power Engineering
Energy saver the steam parameter that user provides is dropped to user and needs suitable temperature and pressure by the present apparatus, to meet
The requirement of user, and can abundant saving heat energy, reasonable employment thermal energy.
Include temperature reducing system and depressurized system in reducing-and-cooling plant, wherein there is feed-regulating valve in temperature reducing system, tradition
Feed-regulating valve be to drive a flap to be adjusted by valve rod, it is very few that stream sets coefficient Cv value, leads to temperature tune
The adjusting sensitivity of section system and accuracy are lower.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structure is simple, superior performance can be provided more
More streams set coefficient, effectively improve the adjusting sensitivity and accuracy of humidity control system.
Technical problem to be solved in the utility model is realized using following technical scheme:
A kind of reducing-and-cooling plant feed-regulating valve, including valve body, valve deck and valve rod, the valve deck and valve body pass through
It is bolted, valve seat is equipped in the valve body, the valve seat is pressed in valve body by pressing sleeve, and the valve deck upper end is set
Electric operator is set, the electric operator is connect by halfnut with valve rod, and the valve rod lower end is fixed to be connected
Flap is connect, the flap is matched with valve seat, it is characterised in that: the valve rod and flap there are two groups.
Two groups of valve rods and flap palette, two groups of valve rods and flap can wherein one group of running, can also same luck
Make, so that stream is set coefficient and at least improve twice, degree of regulation is higher.
The valve seat includes upper and lower sequentially connected upper valve base, two middle valve seats and lower valve base, can be selected according to operating condition
Different valve seats and corresponding flap, to reach different pressure drops.
Linear sealing is formed when described valve seat and valve flap contacts, sealing performance is higher.
It is equipped with valve stem packing between the valve rod and valve deck, is equipped with packing ring, the valve in the valve stem packing
Packing seat is set between bar filler lower end and valve deck, and the valve stem packing upper end is equipped with gland, the gland
It is fixedly connected by bolt with valve deck, keeps sealing performance between valve rod and valve deck more preferable by valve stem packing, avoid leaking outside, pass through
Gland compresses valve stem packing, abjection when can effectively avoid valve stem packing pressure is excessive in valve body, and overall structure is more steady
It is fixed.
Wound gasket is set between the valve body and valve deck, sealing performance is more preferable, avoids leaking outside.
Valve base sealing filler is set between the pressing sleeve and valve seat, valve seat is set between the valve seat lower end and valve body
Airtight and watertight padding can effectively avoid letting out in valve body.
The utility model is when in use: manipulating valve rod by electric operator, moves flap in valve seat, to change
Circulation area controls rate-of flow, and using stream pass type structure, medium enters after valve body by pressing sleeve feed-regulating valve, using
Flap is adjusted, and valve body is flowed out after valve seat.
It is novel in design the utility model has the following beneficial effects: the utility model structure is simple, by two groups of valve rods of setting and
Flap provides more streams and sets coefficient, so that the stream of feed-regulating valve is set coefficient and at least improves twice, effectively raises temperature
The adjusting sensitivity of regulating system and accuracy, significant effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged diagram at A in Fig. 1；
Fig. 3 is valve seat construction schematic diagram in the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of reducing-and-cooling plant feed-regulating valve, including valve body 1, valve deck 2 and valve rod
3, valve deck 2 and valve body 1 are bolted, and valve seat 4 is equipped in valve body 1, and valve seat 4 is pressed in valve body 1 by pressing sleeve 5, valve deck 2
Electric operator 6 is arranged in upper end, and electric operator 6 is connect by halfnut with valve rod 3, and 3 lower end of valve rod is fixedly connected
Flap 7, flap 7 are matched with valve seat, and valve rod 3 and flap 7 have two groups.After being arranged in this way, manipulated by electric operator 6
Valve rod 3 moves flap 7 in valve seat 4, controls rate-of flow to change circulation area, feed-regulating valve is using stream pass type
Structure, medium enter after valve body by pressing sleeve 5, adjust using flap 7, valve body 1 is flowed out after valve seat 4.Two groups of valve rods 3 and valve
7 palette of flap, two groups of valve rods 3 and flap 7 can wherein one group of running, can also operate simultaneously, so that stream is set coefficient and at least improve
Twice, degree of regulation is higher.Valve seat 4 includes upper and lower 41, two middle valve seats 42 of sequentially connected upper valve base and lower valve base 43, can root
Different valve seats 4 and corresponding flap 7 are selected according to operating condition, to reach different pressure drops.Valve seat 4 and flap 7 form line when contacting
Property sealing, sealing performance is higher.It is equipped with valve stem packing 31 between valve rod 3 and valve deck 2, is equipped with packing ring 32 in valve stem packing 31,
Packing seat 33 is set between 32 lower end of valve stem packing and valve deck 2, and 32 upper end of valve stem packing is equipped with gland 34, gland
34 are fixedly connected by bolt with valve deck 2, make between valve rod 3 and valve deck 2 that sealing performance is more preferable by valve stem packing 31, are avoided outside
Leakage compresses valve stem packing 31 by gland 34, abjection when can effectively avoid valve stem packing 31 pressure is excessive in valve body 1,
Overall structure is more stable.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of reducing-and-cooling plant feed-regulating valve, including valve body 1, valve deck 2 and valve rod
3, valve deck 2 and valve body 1 are bolted, and valve seat 4 is equipped in valve body 1, and valve seat 4 is pressed in valve body 1 by pressing sleeve 5, valve deck 2
Electric operator 6 is arranged in upper end, and electric operator 6 is connect by halfnut with valve rod 3, and 3 lower end of valve rod is fixedly connected
Flap 7, flap 7 are matched with valve seat, and valve rod 3 and flap 7 have two groups.After being arranged in this way, manipulated by electric operator 6
Valve rod 3 moves flap 7 in valve seat 4, controls rate-of flow to change circulation area, feed-regulating valve is using stream pass type
Structure, medium enter after valve body by pressing sleeve 5, adjust using flap 7, valve body 1 is flowed out after valve seat 4.Two groups of valve rods 3 and valve
7 palette of flap, two groups of valve rods 3 and flap 7 can wherein one group of running, can also operate simultaneously, so that stream is set coefficient and at least improve
Twice, degree of regulation is higher.Valve seat 4 includes upper and lower 41, two middle valve seats 42 of sequentially connected upper valve base and lower valve base 43, can root
Different valve seats 4 and corresponding flap 7 are selected according to operating condition, to reach different pressure drops.Valve seat 4 and flap 7 form line when contacting
Property sealing, sealing performance is higher.It is equipped with valve stem packing 31 between valve rod 3 and valve deck 2, is equipped with packing ring 32 in valve stem packing 31,
Packing seat 33 is set between 32 lower end of valve stem packing and valve deck 2, and 32 upper end of valve stem packing is equipped with gland 34, gland
34 are fixedly connected by bolt with valve deck 2, make between valve rod 3 and valve deck 2 that sealing performance is more preferable by valve stem packing 31, are avoided outside
Leakage compresses valve stem packing 31 by gland 34, abjection when can effectively avoid valve stem packing 31 pressure is excessive in valve body 1,
Overall structure is more stable.Wound gasket 8 is set between valve body 1 and valve deck 2, and sealing performance is more preferable, avoids leaking outside.Pressing sleeve 5 and valve
Valve base sealing filler 9 is set between seat 4, valve base sealing filler 9 is set between 4 lower end of valve seat and valve body 1, can effectively avoid valve body
It is let out in 1.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of reducing-and-cooling plant feed-regulating valve, including valve body, valve deck and valve rod, the valve deck and valve body pass through spiral shell
It tethers and connects, valve seat is equipped in the valve body, the valve seat is pressed in valve body by pressing sleeve, the valve deck upper end setting
Electric operator, the electric operator are connect by halfnut with valve rod, and the valve rod lower end is fixedly connected
Flap, the flap are matched with valve seat, it is characterised in that: the valve rod and flap has two groups.
2. a kind of reducing-and-cooling plant feed-regulating valve according to claim 1, it is characterised in that: two groups of valves
Bar and flap palette.
3. a kind of reducing-and-cooling plant feed-regulating valve according to claim 1, it is characterised in that: the valve seat packet
Include sequentially connected upper valve base, two middle valve seats and lower valve base up and down.
4. a kind of reducing-and-cooling plant feed-regulating valve according to claim 1, it is characterised in that: the valve seat with
Linear sealing is formed when valve flap contacts.
5. a kind of reducing-and-cooling plant feed-regulating valve according to claim 1, it is characterised in that: the valve rod with
It is equipped with valve stem packing between valve deck, packing ring is equipped in the valve stem packing, between the valve stem packing lower end and valve deck
Packing seat is set, and the valve stem packing upper end is equipped with gland, and the gland connects by the way that bolt and valve deck are fixed
It connects.
6. a kind of reducing-and-cooling plant feed-regulating valve according to claim 1, it is characterised in that: the valve body with
Wound gasket is set between valve deck.
7. a kind of reducing-and-cooling plant feed-regulating valve according to claim 1, it is characterised in that: the pressing sleeve with
Valve base sealing filler is set between valve seat, valve base sealing filler is set between the valve seat lower end and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010031.5U CN208457225U (en) | 2018-06-28 | 2018-06-28 | A kind of reducing-and-cooling plant feed-regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010031.5U CN208457225U (en) | 2018-06-28 | 2018-06-28 | A kind of reducing-and-cooling plant feed-regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457225U true CN208457225U (en) | 2019-02-01 |
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ID=65168508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821010031.5U Active CN208457225U (en) | 2018-06-28 | 2018-06-28 | A kind of reducing-and-cooling plant feed-regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508595A (en) * | 2022-02-28 | 2022-05-17 | 武汉锅炉集团阀门有限责任公司 | Pressure-regulating and temperature-regulating steam valve |
| CN114688261A (en) * | 2022-02-25 | 2022-07-01 | 中石化四机石油机械有限公司 | Ultrahigh pressure safety throttle valve for testing high-pressure pump of petroleum drilling |
-
2018
- 2018-06-28 CN CN201821010031.5U patent/CN208457225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688261A (en) * | 2022-02-25 | 2022-07-01 | 中石化四机石油机械有限公司 | Ultrahigh pressure safety throttle valve for testing high-pressure pump of petroleum drilling |
| CN114508595A (en) * | 2022-02-28 | 2022-05-17 | 武汉锅炉集团阀门有限责任公司 | Pressure-regulating and temperature-regulating steam valve |
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