CN109323124A - A kind of reducing-and-cooling plant - Google Patents
A kind of reducing-and-cooling plant Download PDFInfo
- Publication number
- CN109323124A CN109323124A CN201811105798.0A CN201811105798A CN109323124A CN 109323124 A CN109323124 A CN 109323124A CN 201811105798 A CN201811105798 A CN 201811105798A CN 109323124 A CN109323124 A CN 109323124A
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- Prior art keywords
- valve
- nut
- fixed
- reducing
- stud
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
- F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of reducing-and-cooling plants, including pressure reducing valve, adjustable nozzle, check-valves, momentum safety valve and mixed charge road main component, described pressure reducing valve one end is connected with steam inlet end, and steam, which enters after device, carries out pressure and temperature reducing by mixed charge road.The cooperation that the present invention passes through adjustable nozzle and pressure reducing valve in temperature reducing system, adjustable nozzle guarantees effective mixing to desuperheating water and high-temperature steam in steam mixed pipe line by elastic connection and the high-speed rotating atomized spray water mist of core shift structure realization between nozzle body and movable nozzle core.
Description
Technical field
The present invention relates to technical field of valve manufacturing more particularly to a kind of reducing-and-cooling plants.
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, weaving
A kind of grade enterprises widely applied energy saver of steam thermal energy parameter transition device and utilization waste heat in Thermal Power Engineering, passes through
Reducing-and-cooling plant drops to the steam parameter that user provides the temperature and pressure of user's needs, to meet the requirement of user, and
And can abundant saving heat energy, reasonable employment thermal energy.
Traditional reducing-and-cooling plant is there are flow adjustable extent is small, and temperature lowering effect is bad, the poor quality of steam after desuperheat, control
The problems such as precision processed is low and noise vibration is big.Therefore, the present invention provides a kind of reducing-and-cooling plant, to solve above-mentioned background skill
The problem of being proposed in art.
Summary of the invention
The object of the present invention is to provide a kind of reducing-and-cooling plants, pass through nozzle body and movable nozzle by adjustable nozzle
Elastic connection and core shift structure between core realize high-speed rotating atomized spray water mist, guarantee to desuperheating water and high-temperature steam
Effective mixing in steam mixed pipe line solves traditional reducing-and-cooling plant there are flow adjustable extent is small, and temperature lowering effect is not
It is good, the inferior problem of steam after desuperheat
To achieve the above object, the invention provides the following technical scheme: a kind of reducing-and-cooling plant, including pressure and temperature reducing portion
Part and safety block, it is characterised in that: the pressure and temperature reducing component includes pressure reducing valve, described pressure reducing valve one end and steam into
Mouth end is connected, and the other end is connected with orifice plate, has stud one on the orifice plate, has screw thread knot inside the stud one
Structure is fixed by the threaded engagement with nut one, and the nut one is lined with gasket one and liner one when fixed, described to subtract
The front end of pressure valve is equipped with boss flange three, and adjustable nozzle is equipped on rear side of the orifice plate, and the rear portion connection of the adjustable nozzle is convex
Flange one, the boss flange one and adjustable nozzle are fixed by nut, there is stud two, the double end on the boss flange one
There is helicitic texture inside bolt two, be fixed by the threaded engagement with nut two, the nut two is lined with pad when fixed
Piece two and liner two, the rear portion of the boss flange one is connected with seamless pipe, and the front end of the seamless pipe is provided with check-valves, described
The rear end of seamless pipe is provided with throttling stop valve, and the seamless pipe is connected with mixed charge road, the centre in the mixed charge road
Surface is provided with discharge pipe, and rear portion is equipped with slip-on welding flange on the discharge pipe, the slip-on welding flange by nut and
Discharge pipe is fixed, and has stud three on the slip-on welding flange, has helicitic texture inside the stud three, by and
The threaded engagement of nut three is fixed, and the nut three is lined with gasket three and liner three, the discharge pipe front when fixed
It is lined with liner five；
The safety block includes safety valve, and the safety valve is mounted on the tubule engaging portion of discharge pipe, described
Tubule is connected to discharge pipe side, and the rear portion of the safety valve is provided with boss flange two, the boss flange two by nut and
Tubule is fixed, and has stud four on the boss flange two, has helicitic texture inside the stud four, is passed through and nut
Four threaded engagement is fixed, and the nut four is lined with gasket four and liner four when fixed, the tubule rear portion is equipped with flat
Welding method is blue, and the slip-on welding flange is fixed with plantation bolt, and liner six is lined in the plantation bolt fixation procedure, described thin
The bottom connection of pipe can discharge seamless pipe, when connection of the tubule and seamless pipe is equipped with momentum safety valve, the mixing
Pressure gauge and bimetallic thermometer are installed, the lower part of the pressure gauge is separately connected shut-off valve and pressure gauge on the right side of main pipeline
Bend pipe.
Further, the pressure reducing valve is Diaphragm reducing valve, and inside is with double diaphragms instead of the work in common pressure reducing valve
Plug, the pressure reducing valve internal capacity is big, and diaphragm is sensitive to pressure change, and accuracy is +/- 1%.
Further, the adjustable nozzle includes that nozzle plate, multiple nozzle blades and cam, nozzle blade and cam pass through
Activity installation axle is respectively arranged on the circumference of nozzle plate front and back sides, and each cam activation is connected to same for controlling each nozzle blade
The inner edge of the linkage circle of step rotation.
Further, the check-valves is swing check valve, and the swing check valve has Jie's hinge and flap, institute
Flap is stated to lean against on inclined valve base surface.
Further, the bi-metal temperature is calculated as electric contact type thermometer, and the bimetallic thermometer gauge internal is filled
Shatter-proof oil, accuracy class: 1.5 grades.
Further, the momentum safety valve includes valve body, flap, valve seat, lever and weight, and the momentum safety valve hangs down
Straight installation, internal diameter should be greater than the outlet latus rectum of safety valve.
The beneficial effect of technical solution provided by the invention has:
1. adjustable nozzle passes through nozzle body and movable spray by the cooperation of adjustable nozzle and pressure reducing valve in temperature reducing system
Elastic connection and core shift structure between mouth core realize high-speed rotating atomized spray water mist, guarantee to steam desuperheating water and high temperature
Effective mixing of the vapour in steam mixed pipe line.
2. reducing-and-cooling plant provided by the invention shortens steam-water mixing time and distance, improves the desuperheat precision of device
And steam quality.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of reducing-and-cooling plant.
1. pressure reducing valve in figure；2. stud one；3. nut one；4. gasket one；5. liner one；6. orifice plate；7. adjustable spray
Nozzle；8. boss flange one；9. stud two；10. nut two；11. gasket two；12. liner two；13. check-valves；14. seamless pipe；
15. throttling stop valve；16. slip-on welding flange；17. stud three；18. nut three；19. gasket three；20. liner three；21. safety
Valve；22. liner five；23. boss flange two；24. stud four；25. nut four；26. gasket four；27. liner four；28. seamless
Pipe；29. pressure gauge；30. shut-off valve；31. pressure face bend pipe；32. bimetallic thermometer；33. slip-on welding flange；34. kind of plant bolt；
35. liner six；36. 37. mixed charge road of momentum safety valve；38. boss flange three.
Specific embodiment
Referring to Fig.1, in present example, a kind of reducing-and-cooling plant, including pressure and temperature reducing component and safety block,
It is characterized by: the pressure and temperature reducing component includes pressure reducing valve 1, described 1 one end of pressure reducing valve is connected with steam inlet end, the other end
It is connected with orifice plate 6, has stud 1 on the orifice plate 6, have helicitic texture inside the stud 1, passes through and spiral shell
The threaded engagement of mother 1 is fixed, and the nut 1 is lined with gasket 1 and liner 1 when fixed, before the pressure reducing valve 1
End is equipped with boss flange 3 38, and the rear side of the orifice plate 6 is equipped with adjustable nozzle 7, and the rear portion of the adjustable nozzle 7 connects boss flange
One 8, the boss flange 1 and adjustable nozzle 7 are fixed by nut, there is stud 29 on the boss flange 1, described double
There is helicitic texture inside hook bolt 29, be fixed by the threaded engagement with nut 2 10, when the nut 2 10 is fixed
It is lined with gasket 2 11 and liner 2 12, the rear portion of the boss flange 1 is connected with seamless pipe 14, and the front end of the seamless pipe 14 is set
It is equipped with check-valves 13, the rear end of the seamless pipe 14 is provided with throttling stop valve 15, the seamless pipe 14 and mixed charge road 37
It is connected, the intermediate surface in the mixed charge road 37 is provided with discharge pipe, and rear portion is equipped with downhand welding on the discharge pipe
Flange 16, the slip-on welding flange 16 are fixed by nut and discharge pipe, there is stud 3 17, institute on the slip-on welding flange 16
Stating inside stud 3 17 has helicitic texture, is fixed by the threaded engagement with nut 3 18, the nut 3 18
Gasket 3 19 and liner 3 20 are lined with when fixed, the discharge pipe front is lined with liner 5 22；
The safety block includes safety valve 21, and the safety valve 21 is mounted on the tubule engaging portion of discharge pipe,
The tubule is connected to discharge pipe side, and the rear portion of the safety valve 21 is provided with boss flange 2 23, the boss flange 2 23
It is fixed by nut and tubule, has stud 4 24 on the boss flange 2 23, have screw thread inside the stud 4 24
Structure is fixed by the threaded engagement with nut 4 25, and the nut 4 25 is lined with gasket 4 26 and liner when fixed
4 27, the tubule rear portion is equipped with slip-on welding flange 33, and the slip-on welding flange 33 is fixed with plantation bolt 34, the plantation
Be lined with liner 6 35 in 34 fixation procedure of bolt, the connection of the bottom of the tubule can discharge seamless pipe 28, the tubule and nothing
Momentum safety valve 36 is installed when the connection of slit-tube 28, pressure gauge 29 and bimetallic temperature are installed on the right side of the mixed charge road
Degree meter 32, the lower part of the pressure gauge 29 is separately connected shut-off valve 30 and pressure face bend pipe 31.
Working principle:
Steam is passed through from pressure reducing valve one end, is controlled steam input rate by adjusting pressure reducing valve, is steamed when in small guide vane
Vapour can preferably reach cooling effect, in completely open by mixing after mixed charge road desuperheat with desuperheating water
When state, for a part of primary steam after the contact cooling of mixed charge road tube wall, adjustable nozzle passes through nozzle body and movable spray
Elastic connection and core shift structure between mouth core realize high-speed rotating atomized spray water mist, guarantee to steam desuperheating water and high temperature
Effective mixing of the vapour in steam mixed pipe line.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of reducing-and-cooling plant, including pressure and temperature reducing component and safety block, it is characterised in that: the pressure and temperature reducing
Component includes pressure reducing valve (1), and described pressure reducing valve (1) one end is connected with steam inlet end, and the other end is connected with orifice plate (6), described
There is stud one (2) on orifice plate (6), have helicitic texture inside the stud one (2), passes through and nut one (3)
Threaded engagement is fixed, and the nut one (3) is lined with one (5) of gasket one (4) and liner when fixed, the pressure reducing valve (1)
Front end is equipped with boss flange three (38), is equipped with adjustable nozzle (7) on rear side of the orifice plate (6), the rear portion of the adjustable nozzle (7)
It connects boss flange one (8), the boss flange one (8) and adjustable nozzle (7) are fixed by nut, had on the boss flange one (8)
Stud two (9) has helicitic texture inside the stud two (9), by and nut two (10) threaded engagement into
Row is fixed, and the nut two (10) is lined with two (12) of gasket two (11) and liner when fixed, and the rear portion of the boss flange one (8) connects
It is connected to seamless pipe (14), the front end of the seamless pipe (14) is provided with check-valves (13), the rear end setting of the seamless pipe (14)
Have throttling stop valve (15), the seamless pipe (14) is connected with mixed charge road (37), the centre of the mixed charge road (37)
Surface is provided with discharge pipe, and rear portion is equipped with slip-on welding flange (16) on the discharge pipe, and the slip-on welding flange (16) is logical
It crosses nut and discharge pipe is fixed, there is stud three (17) on the slip-on welding flange (16), the stud three (17) is interior
There is helicitic texture in portion, is fixed by the threaded engagement with nut three (18), and the nut three (18) is lined with pad when fixed
Three (20) of piece three (19) and liner, the discharge pipe front is lined with liner five (22)；
The safety block includes safety valve (21), and the safety valve (21) is mounted on the tubule engaging portion of discharge pipe,
The tubule is connected to discharge pipe side, and the rear portion of the safety valve (21) is provided with boss flange two (23), the boss flange
Two (23) are fixed by nut and tubule, there is stud four (24), the stud four on the boss flange two (23)
(24) internal to have helicitic texture, it is fixed by the threaded engagement with nut four (25), when the nut four (25) is fixed
Four (27) of gasket four (26) and liner are lined with, the tubule rear portion is equipped with slip-on welding flange (33), and the slip-on welding flange (33) is used
Plantation bolt (34) is fixed, and is lined with liner six (35), the bottom of the tubule in plantation bolt (34) fixation procedure
Connection can discharge seamless pipe (28), when connection of the tubule and seamless pipe (28), is equipped with momentum safety valve (36), described
Pressure gauge (29) and bimetallic thermometer (32) are installed, the lower part of the pressure gauge (29) connects respectively on the right side of mixed charge road
Connect shut-off valve (30) and pressure face bend pipe (31).
2. a kind of reducing-and-cooling plant according to claim 1, it is characterised in that: the pressure reducing valve (1) is that diaphragm type subtracts
There are double diaphragm structures in pressure valve, inside.
3. a kind of reducing-and-cooling plant according to claim 1, it is characterised in that: the adjustable nozzle (7) includes nozzle
Plate, multiple nozzle blades and cam, nozzle blade and cam are respectively arranged on the circle of nozzle plate front and back sides by activity installation axle
Zhou Shang, each cam activation are connected to the inner edge of the linkage circle for controlling each nozzle blade synchronization rotation.
4. a kind of reducing-and-cooling plant according to claim 1, it is characterised in that: the check-valves (13) is stopped for swing type
Valve is returned, the swing check valve has Jie's hinge and flap, and the flap leans against on inclined valve base surface.
5. a kind of reducing-and-cooling plant according to claim 1, it is characterised in that: the bimetallic thermometer (32) is electricity
Contact type thermometer, bimetallic thermometer (32) gauge internal fill shatter-proof oil, and accuracy class is 1.5 grades.
6. a kind of reducing-and-cooling plant according to claim 1, it is characterised in that: the momentum safety valve (36) includes valve
Body, flap, valve seat, lever and weight, momentum safety valve (36) right angle setting, the outlet that internal diameter should be greater than safety valve are logical
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811105798.0A CN109323124A (en) | 2018-09-21 | 2018-09-21 | A kind of reducing-and-cooling plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811105798.0A CN109323124A (en) | 2018-09-21 | 2018-09-21 | A kind of reducing-and-cooling plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109323124A true CN109323124A (en) | 2019-02-12 |
Family
ID=65265751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811105798.0A Pending CN109323124A (en) | 2018-09-21 | 2018-09-21 | A kind of reducing-and-cooling plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109323124A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003155901A (en) * | 2001-11-20 | 2003-05-30 | Tokyo Gas Co Ltd | Pressure governor |
| CN201162945Y (en) * | 2008-02-22 | 2008-12-10 | 杭州华惠阀门有限公司 | Attemperation and pressure reducing device |
| CN103883881A (en) * | 2014-03-07 | 2014-06-25 | 中盐安徽红四方股份有限公司 | Temperature and pressure reducer |
| CN205917356U (en) * | 2016-08-24 | 2017-02-01 | 杭州宇升科技有限公司 | Be applied to self -service adjusting device of decompression of dacron DTY finish compound emulsifying agent |
| CN206018587U (en) * | 2016-08-24 | 2017-03-15 | 四川川锅环保工程有限公司 | A kind of Desuperheating and decompressing device for steam |
| CN207279283U (en) * | 2017-09-13 | 2018-04-27 | 江苏火电电力设备制造有限公司 | A kind of Desuperheating and decompressing device for steam |
-
2018
- 2018-09-21 CN CN201811105798.0A patent/CN109323124A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003155901A (en) * | 2001-11-20 | 2003-05-30 | Tokyo Gas Co Ltd | Pressure governor |
| CN201162945Y (en) * | 2008-02-22 | 2008-12-10 | 杭州华惠阀门有限公司 | Attemperation and pressure reducing device |
| CN103883881A (en) * | 2014-03-07 | 2014-06-25 | 中盐安徽红四方股份有限公司 | Temperature and pressure reducer |
| CN205917356U (en) * | 2016-08-24 | 2017-02-01 | 杭州宇升科技有限公司 | Be applied to self -service adjusting device of decompression of dacron DTY finish compound emulsifying agent |
| CN206018587U (en) * | 2016-08-24 | 2017-03-15 | 四川川锅环保工程有限公司 | A kind of Desuperheating and decompressing device for steam |
| CN207279283U (en) * | 2017-09-13 | 2018-04-27 | 江苏火电电力设备制造有限公司 | A kind of Desuperheating and decompressing device for steam |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190212 |
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| WD01 | Invention patent application deemed withdrawn after publication |