CN109812801A - Self protection type's desuperheating water regulating device - Google Patents
Self protection type's desuperheating water regulating device Download PDFInfo
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- CN109812801A CN109812801A CN201910073001.1A CN201910073001A CN109812801A CN 109812801 A CN109812801 A CN 109812801A CN 201910073001 A CN201910073001 A CN 201910073001A CN 109812801 A CN109812801 A CN 109812801A
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Abstract
The present invention relates to a kind of self protection type's desuperheating water regulating devices, first shut-off valve and solenoid valve are installed on water inlet pipe, field control cabinet is connected with fluid level control valve, fluid level control valve is connected with solenoid valve, second shut-off valve is installed on outlet pipe, filter has been sequentially arranged on outlet pipe in front of second shut-off valve, booster pump, third shut-off valve, Desuperheating water regulating valve, 4th shut-off valve, check-valves, 5th shut-off valve and second pressure gauge, field control cabinet is connect with booster pump, the other end of return pipe is connected on the outlet pipe between booster pump and third shut-off valve, return valve and first pressure gauge are installed on return pipe.The present invention carries out spray water flux storage by water tank in advance, and receives the reflux of desuperheating water, to guarantee that the stable operation of increasing pump is not influenced by spray water flux using how many.Desuperheating water regulating valve is using maintenance bypass design, to guarantee that the Desuperheating water regulating valve of desuperheating water regulating device can satisfy online replacement, the maintenance of not parking situation.
Description
Technical field
The present invention relates to the device that a kind of pair of superheated steam carries out desuperheat, specifically a kind of self protection type's desuperheating water tune
Regulating device.
Background technique
Superheated steam temperature reduction is the essential processing step such as modern industry cogeneration of heat and power, chemical industry, electric power.It is most main at present
Wanting desuperheat means is exactly to mix to achieve the purpose that desuperheat with steam by adjusting spray water flux.Spray water flux adjusting must expire
Its pressure of foot is greater than the pressure of steam, can just desuperheating water be made to be adjusted in this way, however because of the reasons such as equipment, place, desuperheating water
The case where usually there is hypotony or is unable to satisfy Field adjustment in pressure.Traditional pump pressurization is unstable because spray water flux
Situations such as be easy to causeing the numerous unlatching of pumping frequency and building the pressure, seriously affects the adjusting of desuperheating water, eventually leads to steam temperature reducing and be unable to satisfy
Production engineering specifications.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, provide a kind of for the too low needs of pressure of desuperheating water
The case where pressurization, needs the operating condition to attemperation water flow stable regulation to be intended to booster pump self-shield stable operation and desuperheat again simultaneously
The self protection type's desuperheating water regulating device for the case where water regulating valve is replaced online.
According to technical solution provided by the invention, self protection type's desuperheating water regulating device, including water tank and scene
Control cabinet, is equipped with water inlet, drain, the reflux mouth of a river, water outlet and fluid level control valve on water tank, and the reflux mouth of a river is located at
The top of water outlet, water inlet and drain are respectively positioned on the top at the reflux mouth of a river, and water inlet pipe is connected on water inlet, is being intake
First shut-off valve and solenoid valve are installed, field control cabinet is connected with fluid level control valve, fluid level control valve and solenoid valve phase on pipe
Even, outlet pipe is installed on water outlet, the second shut-off valve is installed on outlet pipe, on the outlet pipe in front of the second shut-off valve according to
It is secondary to be mounted on filter, booster pump, third shut-off valve, Desuperheating water regulating valve, the 4th shut-off valve, check-valves, the 5th shut-off valve
With second pressure gauge, the field control cabinet is connect with booster pump, is connected with return pipe on the reflux mouth of a river, return pipe it is another
End is connected on the outlet pipe between booster pump and third shut-off valve, and return valve and first pressure gauge are equipped on return pipe.
It is connected with bypass outlet pipe on outlet pipe between return pipe and the tie point and third shut-off valve of outlet pipe, it is other
The other end of road outlet pipe is connected on the outlet pipe between the 4th shut-off valve and check-valves, is equipped with the on bypass outlet pipe
Six shut-off valves.
The present invention carries out spray water flux storage by water tank in advance, and receives the reflux of desuperheating water, to guarantee to increase
Adding the stable operation of pump is not influenced by spray water flux using how many.Desuperheating water regulating valve is using maintenance bypass design, to protect
The Desuperheating water regulating valve of card desuperheating water regulating device can satisfy online replacement, the maintenance of not parking situation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of water tank in the present invention.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Self protection type's desuperheating water regulating device of the invention, including water tank 8 and field control cabinet 10, on water tank 8
Water inlet 81, drain 82, the reflux mouth of a river 83, water outlet 84 and fluid level control valve 7 are installed, the reflux mouth of a river 83 is located at water outlet
84 top, water inlet 81 and drain 82 are respectively positioned on the top at the reflux mouth of a river 83, are connected with water inlet pipe on water inlet 81,
First shut-off valve 21 is installed on water inlet pipe and solenoid valve 9, field control cabinet 10 are connected with fluid level control valve 7, fluid level control valve 7
It is connected with solenoid valve 9, outlet pipe is installed on water outlet 84, the second shut-off valve 22, the second shut-off valve is installed on outlet pipe
Filter 5, booster pump 4, third shut-off valve 23, Desuperheating water regulating valve 3, the 4th section have been sequentially arranged on the outlet pipe in 22 fronts
Only valve 24, check-valves 1, the 5th shut-off valve 25 and second pressure gauge 112, the field control cabinet 10 are connect with booster pump 4, are being returned
Return pipe is connected on flowing water mouth 83, the other end of return pipe is connected to the outlet pipe between booster pump 4 and third shut-off valve 23
On, return valve 6 and first pressure gauge 111 are installed on return pipe.
It is connected with bypass outlet pipe on outlet pipe between return pipe and the tie point and third shut-off valve 23 of outlet pipe,
The other end of bypass outlet pipe is connected on the outlet pipe between the 4th shut-off valve 24 and check-valves 1, is pacified on bypass outlet pipe
Equipped with the 6th shut-off valve 26.
In the present invention, water inlet 81 is arranged at the 4/5 of the tank body height of water tank 8, and water outlet 84 is arranged in water tank 8
Tank body height 1/5 at, reflux the mouth of a river 83 be arranged in water tank 8 tank body height 2/5 at.
In the present invention, the first shut-off valve 21, the second shut-off valve 22, third shut-off valve 23, the cut-off of the 4th shut-off valve the 24, the 5th
Valve 25 is consistent with the type and spec of the 6th shut-off valve 26.
The solenoid valve 9 uses two three-way electromagnetic valve of CKD APK111 guide.
The self-operated type return valve 6 can set return pressure, open desuperheating water when reaching setting pressure and flow back into water storage
Tank 8, it is on the contrary then close.
The present invention controls the switch of solenoid valve 9 by fluid level control valve 7 to control 8 liquid level of water tank.
The booster pump 4 uses CDM 1-19, can be according to actual use situation replacement.
The Desuperheating water regulating valve 3 exchanges electric drive using 220V, adjusts control by teletransmission DCS through controlling.
The field control cabinet 10 controls the power supply opening and closing of solenoid valve 9, fluid level control valve 11 and booster pump 4.
In the present invention, all components are installed on bracket 12, and there is fixed trunnion 13 in 12 outer of bracket.
Working principle of the present invention is as follows:
Field control cabinet to 10 control solenoid valves 9, fluid level control valve 7 and booster pump 4 power supply, before opening solenoid valve 9 the
One shut-off valve 21, fluid level control valve 7 detect 8 low liquid level of water tank then control solenoid valve 9 opening, desuperheating water by water inlet pipe,
Water inlet 81 enters water tank 8, and solenoid valve 9 is controlled in high liquid level and is closed；After booster pump 4 open, desuperheating water is mentioned
Boost power, the desuperheating water after boost in pressure successively pass through the second shut-off valve 22 on outlet pipe, filter 5, third shut-off valve 23,
Desuperheating water regulating valve 3, the 4th shut-off valve 24, check-valves 1 and the 5th shut-off valve 25, once the pressure of desuperheating water is returned more than self-operated type
The setting pressure of stream valve 6 then open by self-operated type return valve 6, and desuperheating water flows back into water tank 8 by return pipe, the reflux mouth of a river 83,
Above-mentioned component forms a self-shield circulation at this time, will not occur the outlet pressure of booster pump 4 booster pump 4 is run always
Excessively high situations such as building the pressure；Etc. pressure rise after, by remotely control Desuperheating water regulating valve 3 control water number.
When Desuperheating water regulating valve 3 breaks down, third shut-off valve 23 and the 4th shut-off valve 24 are closed, then opens bypass
The 6th shut-off valve 26, guarantee device uninterrupted power for continuous operation.
Claims (2)
1. a kind of self protection type's desuperheating water regulating device, including water tank (8) and field control cabinet (10), on water tank (8)
Water inlet (81), drain (82), the reflux mouth of a river (83), water outlet (84) and fluid level control valve (7) are installed, the mouth of a river of flowing back
(83) be located at the top of water outlet (84), water inlet (81) and drain (82) are respectively positioned on the top of the reflux mouth of a river (83), into
The mouth of a river is connected with water inlet pipe on (81), it is characterized in that: the first shut-off valve (21) and solenoid valve (9) are installed on water inlet pipe, it is existing
Field control cabinet (10) is connected with fluid level control valve (7), and fluid level control valve (7) is connected with solenoid valve (9), pacifies on water outlet (84)
It equipped with outlet pipe, installs on outlet pipe the second shut-off valve (22), is successively installed on the outlet pipe in front of the second shut-off valve (22)
There are filter (5), booster pump (4), third shut-off valve (23), Desuperheating water regulating valve (3), the 4th shut-off valve (24), check-valves
(1), the 5th shut-off valve (25) and second pressure gauge (112), the field control cabinet (10) connect with booster pump (4), are flowing back
Return pipe is connected on the mouth of a river (83), the other end of return pipe is connected to going out between booster pump (4) and third shut-off valve (23)
On water pipe, return valve (6) and first pressure gauge (111) are installed on return pipe.
2. self protection type's desuperheating water regulating device as described in claim 1, it is characterized in that: in the connection of return pipe and outlet pipe
It is connected with bypass outlet pipe on outlet pipe between point and third shut-off valve (23), the other end for bypassing outlet pipe is connected to the 4th
On outlet pipe between shut-off valve (24) and check-valves (1), the 6th shut-off valve (26) is installed on bypass outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073001.1A CN109812801A (en) | 2019-01-25 | 2019-01-25 | Self protection type's desuperheating water regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073001.1A CN109812801A (en) | 2019-01-25 | 2019-01-25 | Self protection type's desuperheating water regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109812801A true CN109812801A (en) | 2019-05-28 |
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ID=66604990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073001.1A Pending CN109812801A (en) | 2019-01-25 | 2019-01-25 | Self protection type's desuperheating water regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812801A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201963960U (en) * | 2011-03-22 | 2011-09-07 | 上海电力机械厂 | Combination valve type temperature and pressure reducing device |
| CN203082548U (en) * | 2012-11-14 | 2013-07-24 | 杭州华惠阀门有限公司 | Temperature and pressure reduction apparatus |
| CN104595721A (en) * | 2014-12-25 | 2015-05-06 | 无锡职业技术学院 | High-pressure separated type temperature reducing system |
| CN205979183U (en) * | 2016-07-22 | 2017-02-22 | 天津市川宏仪表系统科技有限公司 | Integral type interface control's superheated steam temperature and pressure reduction device |
-
2019
- 2019-01-25 CN CN201910073001.1A patent/CN109812801A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201963960U (en) * | 2011-03-22 | 2011-09-07 | 上海电力机械厂 | Combination valve type temperature and pressure reducing device |
| CN203082548U (en) * | 2012-11-14 | 2013-07-24 | 杭州华惠阀门有限公司 | Temperature and pressure reduction apparatus |
| CN104595721A (en) * | 2014-12-25 | 2015-05-06 | 无锡职业技术学院 | High-pressure separated type temperature reducing system |
| CN205979183U (en) * | 2016-07-22 | 2017-02-22 | 天津市川宏仪表系统科技有限公司 | Integral type interface control's superheated steam temperature and pressure reduction device |
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Application publication date: 20190528 |