CN208222078U - Desuperheating and decompressing device for steam - Google Patents
Desuperheating and decompressing device for steam Download PDFInfo
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- CN208222078U CN208222078U CN201820536245.XU CN201820536245U CN208222078U CN 208222078 U CN208222078 U CN 208222078U CN 201820536245 U CN201820536245 U CN 201820536245U CN 208222078 U CN208222078 U CN 208222078U
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- steam
- water inlet
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- inlet pipe
- desuperheating
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Abstract
The utility model discloses a kind of Desuperheating and decompressing device for steam, it include: steam temperature reducing and pressure reducing pipe, the steam inlet of steam temperature reducing and pressure reducing pipe one end is set and is arranged in steam (vapor) outlet, steam reducing valve is provided on the one end of the steam temperature reducing and pressure reducing pipe close to steam inlet, the annular atomizer interconnected with it is provided in the middle part of the steam (vapor) outlet, the annular atomizer is connected by the first water inlet pipe with check-valves, the check-valves is connected by the second water inlet pipe with the first shut-off valve, first shut-off valve is connected by third water inlet pipe with Desuperheating water regulating valve, the Desuperheating water regulating valve is connected by the 4th water inlet pipe with the second shut-off valve, second shut-off valve is connected by the 5th water inlet pipe with y-type filter, the y-type filter is connected with desuperheat water inlet, in second water inlet pipe Bypass water inlet pipe is connected between the 5th water inlet pipe.
Description
Technical field
The utility model relates to a kind of steam conveying equipment more particularly to a kind of Desuperheating and decompressing device for steam.
Background technique
The steam for generating high temperature and pressure in the Thermal Power Engineerings such as large power plant and chemical plant after boiler combustion is modernized, but different
The temperature of steam needed for technological process apparatus and air pressure are all different, and in order to guarantee that high saturation conveys, boiler is produced
Raw temperature and air pressure often needed for remote super some position equipments, needs to carry out ability normal use after pressure and temperature reducing.Currently,
Temperature reducing and pressure reducing system mostly uses greatly two-seater pressure reducing valve in operation, carries out decompression and desuperheat to gas inside two-seater pressure reducing valve,
It is generally first depressurized, then desuperheat is carried out in the inside of two-seater pressure reducing valve, generally come desuperheat by the way of shower water, in height
In warm high steam pressure and temperature reducing, since spray (operating) water nozzle is fixedly connected between water inlet pipe and steam pipeline and is inserted into steam
Keep steam stream water speed very fast in delivery pipe, when the steam after decompression is by spray (operating) water nozzle, portion gas is touched with desuperheating water
Main pipeline is directly discharged by spray (operating) water nozzle after hitting, vapor (steam) temperature is uneven, when main pipeline exit carries out temperature detection
Temperature fluctuations are larger, and the water delivery control valve controlled by temperature-detecting device is caused frequently to adjust, and reduce system stability.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of good Desuperheating and decompressing device for steam of using effect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is: Desuperheating and decompressing device for steam, packet
Include: steam temperature reducing and pressure reducing pipe is arranged in the steam inlet of steam temperature reducing and pressure reducing pipe one end and is arranged in steam (vapor) outlet, in the steaming
Vapour pressure and temperature reducing pipe is provided with steam reducing valve on one end of steam inlet, be provided in the middle part of the steam (vapor) outlet with
Its interconnected annular atomizer, the annular atomizer is connected by the first water inlet pipe with check-valves, described to stop
It returns valve to be connected by the second water inlet pipe with the first shut-off valve, first shut-off valve is adjusted by third water inlet pipe and desuperheating water
Valve is connected, and the Desuperheating water regulating valve is connected by the 4th water inlet pipe with the second shut-off valve, and second shut-off valve passes through
5th water inlet pipe is connected with y-type filter, and the y-type filter is connected with desuperheat water inlet, in second water inlet pipe
It is connected with bypass water inlet pipe between the 5th water inlet pipe, is provided with bypass shut-off valve on the bypass water inlet pipe.
The utility model has the advantages that: above-mentioned Desuperheating and decompressing device for steam, it is compact-sized, it is easy for installation, as long as conventional subtract
Warm decompressor half length, substantially reduces occupied space, and desuperheat part is hung down using annular atomizer by small annular holes
Vapor riser spray cooling, mixes water adequately with steam, and good cooling effect, vapor (steam) temperature is uniform always, is filtered using Y type
Device can effectively prevent the impurity in desuperheating water that annular atomizer is caused to block, and increase temperature reducing system atomization uses the longevity
Life can replace online Desuperheating water regulating valve using bypass shut-off valve, be repaired, and using effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model Desuperheating and decompressing device for steam.
In figure: 1, steam temperature reducing and pressure reducing pipe, 2, steam inlet, 3, steam (vapor) outlet, 4, steam reducing valve, 5, annular atomization spray
Mouth, the 6, first water inlet pipe, 7, check-valves, the 8, second water inlet pipe, the 9, first shut-off valve, 10, third water inlet pipe, 11, desuperheating water tune
Section valve, the 12, the 4th water inlet pipe, the 13, second shut-off valve, the 14, the 5th water inlet pipe, 15, y-type filter, 16, desuperheat water inlet, 17,
Bypass water inlet pipe, 18, bypass shut-off valve.
Specific embodiment
The particular content of the utility model is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Desuperheating and decompressing device for steam, comprising: steam temperature reducing and pressure reducing pipe 1 is arranged in steam temperature reducing and pressure reducing pipe 1
The steam inlet 2 of one end and setting are set on one end of steam inlet 2 in steam (vapor) outlet 3 in the steam temperature reducing and pressure reducing pipe 1
It is equipped with steam reducing valve 4, the annular atomizer 5 interconnected with it, the ring are provided at the middle part of the steam (vapor) outlet 3
Shape atomizer 5 is connected by the first water inlet pipe 6 with check-valves 7, and the check-valves 7 passes through the second water inlet pipe 8 and first section
Only valve 9 is connected, and first shut-off valve 9 is connected by third water inlet pipe 10 with Desuperheating water regulating valve 11, the desuperheating water
Regulating valve 11 is connected by the 4th water inlet pipe 12 with the second shut-off valve 13, and second shut-off valve 13 passes through the 5th water inlet pipe 14
It is connected with y-type filter 15, the y-type filter 15 is connected with desuperheat water inlet 16, in second water inlet pipe 8 and
It is connected with bypass water inlet pipe 17 between five water inlet pipes 14, bypass shut-off valve 18 is provided on the bypass water inlet pipe 17.
Above-mentioned Desuperheating and decompressing device for steam is in use, high temperature and high pressure steam enters steam temperature reducing and pressure reducing from steam inlet 2
In pipe 1, desuperheating water enters in y-type filter 15 from desuperheat water inlet 16, opens simultaneously steam reducing valve 4, check-valves 7, first
Shut-off valve 9, Desuperheating water regulating valve 11 and the second shut-off valve 13 close bypass shut-off valve 18, and desuperheating water successively passes through y-type filter
15, the 5th water inlet pipe 14, the second shut-off valve 13, the 4th water inlet pipe 12, Desuperheating water regulating valve 11,10, first sections of third water inlet pipe
Only valve 9, the second water inlet pipe 8, check-valves 7, the first water inlet pipe 6 and annular atomizer 5 reach in steam temperature reducing and pressure reducing pipe 1
Portion, several apertures on annular atomizer 5 will desuperheating water spray into it is sufficiently mixed with the steam after decompression in steam temperature reducing and pressure reducing pipe 1
It closes to realize the carry out desuperheat to the steam after decompression, the steam after pressure and temperature reducing is discharged by steam (vapor) outlet 3, passes through desuperheat
The uninterrupted of the adjustable desuperheating water of water regulating valve 11, so that the temperature of steam is adjusted, it is adjustable by steam reducing valve 4
The pressure of steam；Desuperheating water regulating valve 11 needs repairing when replacing, and opens bypass shut-off valve 18, closes the first shut-off valve 9 and the
Two shut-off valves 13 can carry out repair and replacement to Desuperheating water regulating valve 11 online.
Above-mentioned Desuperheating and decompressing device for steam, it is compact-sized, it is easy for installation, as long as conventional reducing-and-cooling plant half length,
Occupied space is substantially reduced, desuperheat part is made using annular atomizer by small annular holes vertical steam tube spray cooling
Water is adequately mixed with steam, and good cooling effect, vapor (steam) temperature is uniform always, can effectively prevent desuperheat using y-type filter
Impurity in water causes annular atomizer to block, and increases the service life of temperature reducing system atomization, using bypass shut-off valve energy
Enough to be replaced, repaired online to Desuperheating water regulating valve, using effect is good.
Claims (1)
1. Desuperheating and decompressing device for steam, it is characterised in that: include: steam temperature reducing and pressure reducing pipe (1), be arranged in steam temperature reducing and pressure reducing pipe
(1) steam inlet (2) of one end and setting are in steam (vapor) outlet (3), in the steam temperature reducing and pressure reducing pipe (1) close to steam inlet
(2) it is provided with steam reducing valve (4) on one end, is provided with the ring interconnected with it in the middle part of the steam (vapor) outlet (3)
Shape atomizer (5), the annular atomizer (5) are connected by the first water inlet pipe (6) with check-valves (7), the non-return
Valve (7) is connected by the second water inlet pipe (8) with the first shut-off valve (9), and first shut-off valve (9) passes through third water inlet pipe
(10) it is connected with Desuperheating water regulating valve (11), the Desuperheating water regulating valve (11) passes through the 4th water inlet pipe (12) and the second cut-off
Valve (13) is connected, and second shut-off valve (13) is connected by the 5th water inlet pipe (14) with y-type filter (15), the Y
Type filter (15) is connected with desuperheat water inlet (16), connects between second water inlet pipe (8) and the 5th water inlet pipe (14)
It is connected to bypass water inlet pipe (17), bypass shut-off valve (18) is provided on the bypass water inlet pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536245.XU CN208222078U (en) | 2018-04-16 | 2018-04-16 | Desuperheating and decompressing device for steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536245.XU CN208222078U (en) | 2018-04-16 | 2018-04-16 | Desuperheating and decompressing device for steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222078U true CN208222078U (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820536245.XU Active CN208222078U (en) | 2018-04-16 | 2018-04-16 | Desuperheating and decompressing device for steam |
Country Status (1)
| Country | Link |
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| CN (1) | CN208222078U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141902A (en) * | 2019-06-10 | 2019-08-20 | 杭州华电能源工程有限公司 | It is a kind of to automate the device and method for adjusting steam parameter and steam-water separation |
| CN113404920A (en) * | 2021-06-09 | 2021-09-17 | 常州华伦热电有限公司 | Accurate pressure regulating pipeline device based on supply of desuperheating water |
| CN114427409A (en) * | 2020-09-09 | 2022-05-03 | 中国石油化工股份有限公司 | Adjustable steam critical flow venturi nozzle and critical flow regulation method |
-
2018
- 2018-04-16 CN CN201820536245.XU patent/CN208222078U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141902A (en) * | 2019-06-10 | 2019-08-20 | 杭州华电能源工程有限公司 | It is a kind of to automate the device and method for adjusting steam parameter and steam-water separation |
| CN114427409A (en) * | 2020-09-09 | 2022-05-03 | 中国石油化工股份有限公司 | Adjustable steam critical flow venturi nozzle and critical flow regulation method |
| CN113404920A (en) * | 2021-06-09 | 2021-09-17 | 常州华伦热电有限公司 | Accurate pressure regulating pipeline device based on supply of desuperheating water |
| CN113404920B (en) * | 2021-06-09 | 2023-07-07 | 常州华伦热电有限公司 | Accurate pressure regulating pipeline device based on temperature reduction water supply |
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