CN201162947Y - Attemperation and pressure reducing device - Google Patents
Attemperation and pressure reducing device Download PDFInfo
- Publication number
- CN201162947Y CN201162947Y CNU2008200834874U CN200820083487U CN201162947Y CN 201162947 Y CN201162947 Y CN 201162947Y CN U2008200834874 U CNU2008200834874 U CN U2008200834874U CN 200820083487 U CN200820083487 U CN 200820083487U CN 201162947 Y CN201162947 Y CN 201162947Y
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- pressure reducing
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Abstract
The utility model relates to a high temperature and high pressure temperature-reduction pressure-reduction device, which is mainly composed of a pressure-reduction system, a temperature-reduction system, a safety system and a steam pipeline system; wherein, the steam pipeline system is connected with the pressure-reduction system, the temperature-reduction system and the safety system in sequence; the pressure-reduction system main comprises a pressure-reduction valve; the pressure-reduction valve is connected with a mixed pipeline; a stop valve, a throttle valve, an adjustment valve and a check valve are connected in sequence, and are connected with the mixed pipeline; the mixed pipeline is connected with the steam pipeline; a safety vale is connected with a steam pipeline; a venturi tube is arranged in the mixed pipeline. A valve clack is arranged in the valve body of the pressure-reduction valve; the upper part of the valve clack is connected with a valve cover. The valve clack is fixedly connected with a valve rod; the valve clack is sleeved in a valve seat; the lower part of the valve seat is connected with a mesh cover; the lower part of the mesh cover is connected with the valve cover. The high temperature and high pressure temperature-reduction pressure-reduction device has the advantages of avoiding alternating stresses of materials, enhancing reliability, reducing valve leakage, increasing pressure-reduction range, prolonging the service life of the valve, reducing noise and strengthening pressure-proof capability.
Description
Technical field
The utility model device relates to industries such as being mainly used in power station, light room, petrochemical industry, mainly is a kind of High Temperature High Pressure reducing-and-cooling plant.
Background technique
Reducing-and-cooling plant is the composite set of one kind of multiple component parts, is the important corollary equipment of " thermoelectric cold " three coproduction.Traditional High Temperature High Pressure reducing-and-cooling plant structural design is unreasonable, can not very effectively must regulate, cost is also very big, existing aspect safety reliability and adjusting function must problem, for under a lot of concrete complicated operating modes, performance is difficult to meet the demands, and noise is very big in running, and be not very long working life relatively yet.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of structure to form rationally debug performance height, stay-in-grade High Temperature High Pressure reducing-and-cooling plant.
The utility model solves the technological scheme that its technical problem adopts: this High Temperature High Pressure reducing-and-cooling plant; mainly by depressurized system; temperature reducing system; safety system and steam pipe system are formed; be connected with depressurized system on the steam pipe system in turn; temperature reducing system and safety system; depressurized system mainly includes reduction valve; temperature reducing system mainly comprises stop valve; throttle valve; modulating valve and safety check; safety system mainly comprises safety valve; steam pipe system mainly comprises mixing duct and steam line; reduction valve links to each other with mixing duct; stop valve; throttle valve; modulating valve; connect successively between the safety check; and link to each other with mixing duct; mixing duct links to each other with steam line; safety valve is connected with steam line, is provided with Venturi tube in the mixing duct.
Described reduction valve mainly is made up of valve gap, valve body and bottom flange, is provided with flap in the valve body, and flap top links to each other with valve gap, be fixedly connected with valve rod on the flap, valve rod run through with valve gap in, in flap cover and the valve seat, the valve seat bottom is connected with guard, and the guard bottom links to each other with bottom flange.
Described valve body is two spherical.
Described guard is a porous structure.
Be provided with adjustable nozzle in the described Venturi tube.
The effect that the utility model is useful is: adopt the branch body structure of decompression back desuperheat earlier, avoid the alternating stress of material, improve safety reliability; Adopt single seat sleeve and foraminous net cover second depressurized structural type, both reduced the valve leak amount, increase the decompression amplitude, avoid valve interior wall directly to be subjected to spary again, prolong valve working life, reduce noise simultaneously; Adopt the multistage modulating valve coarse adjustment of High Pressure Difference, utilize the automatic atomizing umbrella adjustable nozzle that is provided with in the Venturi tube to carry out fine tuning, make the cooling water jet velocity keep constant, utilize the higher steam flow rate of Venturi tube throat simultaneously, improve atomizing, obviously improve temperature lowering effect, satisfy the needs of big variable working condition, flow adjustment range can reach 5～100%; Relief valve body adopts two spherical, and voltage endurance capability is strong.
Description of drawings
Fig. 1 is the structural representation of the total figure of the utility model device;
Fig. 2 is the structural representation of reduction valve of the present utility model.
Description of reference numerals: reduction valve 1, mixing duct 2, safety valve 3, steam line 4, pressure gauge 5, thermometer 6, stop valve 7, throttle valve 8, modulating valve 9, safety check 10, Venturi tube 11, adjustable nozzle 12, valve gap 13, valve rod 14, valve body 15, flap 16, valve seat 17, guard 18, bottom flange 19.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in the figure; this High Temperature High Pressure reducing-and-cooling plant; mainly by depressurized system; temperature reducing system; safety system and steam pipe system are formed; be connected with depressurized system on the steam pipe system in turn; temperature reducing system and safety system; the branch body structure of this decompression earlier back desuperheat; avoid the alternating stress of material; improve safety reliability; depressurized system mainly includes reduction valve 1; reduction valve 1 is mainly by valve gap 13; valve body 15 and bottom flange 19 are formed; valve body 15 is two spherical; strengthened voltage endurance capability; be provided with flap 16 in the valve body 15; flap 16 tops link to each other with valve gap 13; be fixedly connected with valve rod 14 on the flap 16; valve rod 14 run through with valve gap 13 in; in flap 16 covers and the valve seat 17, this flap 16 forms the single seat tube-in-tube structure with the structure that single valve seat 17 is formed, and valve seat 17 bottoms are connected with guard 18; guard 18 is a porous structure; the second depressurized structural type of this single seat sleeve and foraminous net cover 18 had both reduced the valve amount of leakage, increased the decompression amplitude; avoid valve body 15 inwalls directly to be subjected to spary again; prolong valve working life, reduced noise simultaneously, guard 18 bottoms link to each other with bottom flange 19.Temperature reducing system mainly comprises stop valve 7; throttle valve 8; modulating valve 9 and safety check 10; safety system mainly comprises safety valve 3; steam pipe system mainly comprises mixing duct 2 and steam line 4; reduction valve 1 links to each other with mixing duct 2; stop valve 7; throttle valve 8; modulating valve 9; connect successively between the safety check 10; and link to each other with mixing duct 2; mixing duct 2 links to each other with steam line 4; safety valve 3 is connected with steam line 4; be provided with Venturi tube 11 in the mixing duct 2; be provided with adjustable nozzle 12 in the Venturi tube 11, the outlet port of steam line 4 is provided with pressure gauge 5 and thermometer 6.
Steam is introduced into reduction valve 1, handle by electronic (pneumatic) actuator, drive the valve rod 14 that reduction valve 1 flap 16 links to each other, be that flap 16 moves up and down in valve seat 17, to change the purpose that the medium circulation area reaches expenditure and pressure, steam is again by guard 18 then, reach the effect of decompression once more, steam enters mixing duct 2 after by reduction valve 1, cooling water is successively by stop valve 7, throttle valve 8, modulating valve 9, safety check 10, feed mixing duct 2 by Venturi tube 11 again, with the vapor mixing of in reduction valve 1, coming out, cooling water after the coarse adjustment of multistage valve by spraying in the mixing duct 2 after 12 fine tunings of the adjustable nozzle in the Venturi tube 11, with the high velocity vapor mixed aerosol, make vapor (steam) temperature drop to technological requirement, flow adjustment range can reach 5～100%, the steam that reaches working condition requirement is by the outlet pass-out, when the pressure in the steam line 4 exceeds permitted value, by safety valve 3 steam is arranged in atmosphere, the interior vapor pressure of pipeline is remained in the permitted value, to guarantee the safe operation of reducing-and-cooling plant and gas utilization unit.
Improved the technical merit of High Temperature High Pressure reducing-and-cooling plant greatly by above improvement and innovation, the usability and the mass stability of product have been improved, be from structural design, debug performance, reduction noise, save that aspect such as cost all is significantly improved and perfect, satisfy the more and more higher requirement of user.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1; a kind of High Temperature High Pressure reducing-and-cooling plant; mainly by depressurized system; temperature reducing system; safety system and steam pipe system are formed; be connected with depressurized system on the steam pipe system in turn; temperature reducing system and safety system; it is characterized in that: depressurized system mainly includes reduction valve (1); temperature reducing system mainly comprises stop valve (7); throttle valve (8); modulating valve (9) and safety check (10); safety system mainly comprises safety valve (3); steam pipe system mainly comprises mixing duct (2) and steam line (4); reduction valve (1) links to each other with mixing duct (2); stop valve (7); throttle valve (8); modulating valve (9); connect successively between the safety check (10); and link to each other with mixing duct (2); mixing duct (2) links to each other with steam line (4); safety valve (3) is connected with steam line (4), is provided with Venturi tube (11) in the mixing duct (2).
2, High Temperature High Pressure reducing-and-cooling plant according to claim 1, it is characterized in that: described reduction valve (1) mainly is made up of valve gap (13), valve body (15) and bottom flange (19), be provided with flap (16) in the valve body (15), flap (16) top links to each other with valve gap (13), be fixedly connected with valve rod (14) on the flap (16), valve rod (14) run through with valve gap (13) in, in flap (16) cover and the valve seat (17), valve seat (17) bottom is connected with guard (18), and guard (18) bottom links to each other with bottom flange (19).
3, High Temperature High Pressure reducing-and-cooling plant according to claim 2 is characterized in that: described valve body (15) is for two spherical.
4, High Temperature High Pressure reducing-and-cooling plant according to claim 2 is characterized in that: described guard (18) is a porous structure.
5, High Temperature High Pressure reducing-and-cooling plant according to claim 1 is characterized in that: be provided with adjustable nozzle (12) in the described Venturi tube (11).
6, High Temperature High Pressure reducing-and-cooling plant according to claim 1 is characterized in that: the outlet port of described steam line (4) is provided with pressure gauge (5) and thermometer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200834874U CN201162947Y (en) | 2008-02-22 | 2008-02-22 | Attemperation and pressure reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200834874U CN201162947Y (en) | 2008-02-22 | 2008-02-22 | Attemperation and pressure reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201162947Y true CN201162947Y (en) | 2008-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200834874U Expired - Lifetime CN201162947Y (en) | 2008-02-22 | 2008-02-22 | Attemperation and pressure reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201162947Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102808A (en) * | 2009-12-17 | 2011-06-22 | 沈阳铝镁设计研究院有限公司 | Configuration structure of safety valve on steam pipeline |
| CN102183006A (en) * | 2010-12-28 | 2011-09-14 | 杭州华惠阀门有限公司 | High-temperature high-pressure temperature-reducing pressure-reducing device capable of being started and stopped rapidly |
| CN102434781A (en) * | 2011-12-02 | 2012-05-02 | 杭州华惠阀门有限公司 | Temperature-reducing and pressure-reducing system |
| CN103388993A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Direct-current travel pressure and temperature reducing system |
| CN103672408A (en) * | 2013-09-10 | 2014-03-26 | 中石化石油工程设计有限公司 | Compression expansion separation heating system of vortex tube throttle valve of high sulfur natural gas |
| 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 |
| CN104455607A (en) * | 2014-12-17 | 2015-03-25 | 杭州华惠阀门有限公司 | Temperature and pressure reducing valve |
| CN104515399A (en) * | 2014-11-12 | 2015-04-15 | 合肥市瑞宏重型机械有限公司 | Pressure reduction device for cooling water pipeline of intermediate frequency furnace |
| CN105465608A (en) * | 2014-09-12 | 2016-04-06 | 付开领 | Temperature and pressure reducing device |
| CN107906368A (en) * | 2017-12-08 | 2018-04-13 | 杭州华惠阀门有限公司 | A kind of reducing-and-cooling plant |
| CN109140237A (en) * | 2018-10-16 | 2019-01-04 | 江苏高特阀业有限公司 | Self-shield automatically controls reducing-and-cooling plant |
| CN110360459A (en) * | 2019-06-26 | 2019-10-22 | 江苏中伟机械制造有限公司 | A kind of high temperature and pressure reducing-and-cooling plant |
| CN110410772A (en) * | 2019-06-26 | 2019-11-05 | 江苏中伟机械制造有限公司 | A kind of medium temperature and medium pressure reducing-and-cooling plant |
| CN111156834A (en) * | 2019-12-31 | 2020-05-15 | 浙江大学 | Noise-reducing steam temperature-reducing device and method |
| CN113654035A (en) * | 2021-08-20 | 2021-11-16 | 射阳金港能源发展有限公司 | Automatic control system and method for temperature and pressure reduction of regional cooling and heating steam |
-
2008
- 2008-02-22 CN CNU2008200834874U patent/CN201162947Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102808A (en) * | 2009-12-17 | 2011-06-22 | 沈阳铝镁设计研究院有限公司 | Configuration structure of safety valve on steam pipeline |
| CN102183006A (en) * | 2010-12-28 | 2011-09-14 | 杭州华惠阀门有限公司 | High-temperature high-pressure temperature-reducing pressure-reducing device capable of being started and stopped rapidly |
| CN102434781A (en) * | 2011-12-02 | 2012-05-02 | 杭州华惠阀门有限公司 | Temperature-reducing and pressure-reducing system |
| CN103388993A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Direct-current travel pressure and temperature reducing system |
| CN103672408A (en) * | 2013-09-10 | 2014-03-26 | 中石化石油工程设计有限公司 | Compression expansion separation heating system of vortex tube throttle valve of high sulfur natural gas |
| 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 |
| CN105465608A (en) * | 2014-09-12 | 2016-04-06 | 付开领 | Temperature and pressure reducing device |
| CN104515399A (en) * | 2014-11-12 | 2015-04-15 | 合肥市瑞宏重型机械有限公司 | Pressure reduction device for cooling water pipeline of intermediate frequency furnace |
| CN104455607A (en) * | 2014-12-17 | 2015-03-25 | 杭州华惠阀门有限公司 | Temperature and pressure reducing valve |
| CN107906368A (en) * | 2017-12-08 | 2018-04-13 | 杭州华惠阀门有限公司 | A kind of reducing-and-cooling plant |
| CN109140237A (en) * | 2018-10-16 | 2019-01-04 | 江苏高特阀业有限公司 | Self-shield automatically controls reducing-and-cooling plant |
| CN110360459A (en) * | 2019-06-26 | 2019-10-22 | 江苏中伟机械制造有限公司 | A kind of high temperature and pressure reducing-and-cooling plant |
| CN110410772A (en) * | 2019-06-26 | 2019-11-05 | 江苏中伟机械制造有限公司 | A kind of medium temperature and medium pressure reducing-and-cooling plant |
| CN110360459B (en) * | 2019-06-26 | 2021-03-12 | 江苏中伟机械制造有限公司 | High-temperature high-pressure temperature and pressure reducing device |
| CN110410772B (en) * | 2019-06-26 | 2021-03-30 | 江苏中伟机械制造有限公司 | Medium-temperature and medium-pressure temperature and pressure reduction device |
| CN111156834A (en) * | 2019-12-31 | 2020-05-15 | 浙江大学 | Noise-reducing steam temperature-reducing device and method |
| CN113654035A (en) * | 2021-08-20 | 2021-11-16 | 射阳金港能源发展有限公司 | Automatic control system and method for temperature and pressure reduction of regional cooling and heating steam |
| CN113654035B (en) * | 2021-08-20 | 2023-08-04 | 射阳金港能源发展有限公司 | Automatic control system and method for temperature and pressure reduction of regional cooling and heating steam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081210 |