CN215062005U - Steam temperature and pressure reducer for power plant - Google Patents

Steam temperature and pressure reducer for power plant Download PDF

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Publication number
CN215062005U
CN215062005U CN202120766632.4U CN202120766632U CN215062005U CN 215062005 U CN215062005 U CN 215062005U CN 202120766632 U CN202120766632 U CN 202120766632U CN 215062005 U CN215062005 U CN 215062005U
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steam
pipe
temperature
pressure
main steam
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CN202120766632.4U
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Chinese (zh)
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吴海蓉
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Shanghai Intelligence Power Engineering Co Ltd
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Shanghai Intelligence Power Engineering Co Ltd
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Abstract

The utility model discloses a steam temperature and pressure reducer that power plant used, including the steam pipe, the top of steam pipe is provided with the main steam body, one side of main steam body is provided with the bleeder, be provided with the flow meter on the bleeder, the bleeder is kept away from the one end of main steam body is provided with the branch end plate, the opposite side of main steam body is provided with the control end plate, the control end plate is kept away from one side swing joint of main steam body has flow control device, the top of main steam body is provided with lets in the pipe, it keeps away from to let in the pipe the one end of main steam body is provided with safe cooling tube. The utility model can rapidly reduce the steam temperature through the external regulating valve and the cooling frame; in the steam treatment process, if the pressure and the temperature of the introduced steam exceed preset thresholds, the safety early warning device is opened at the moment, the air release screw and the plug screw are loosened, high-temperature and high-pressure steam is quickly discharged into the atmosphere, and equipment explosion is prevented.

Description

Steam temperature and pressure reducer for power plant
Technical Field
The utility model relates to a temperature and pressure reduction technical field especially relates to a steam temperature and pressure reducer that power plant used.
Background
The temperature and pressure reducing device is a steam heat energy parameter conversion device and an energy-saving device utilizing waste heat, which are widely applied to heat energy engineering in enterprises of cogeneration, central heating, light industry, electric power, chemical industry, textile and the like in modern industry.
The temperature and pressure reducing device at the present stage has the problems that the temperature and pressure reducing efficiency of steam is low, and a certain single index of pressure or temperature is not satisfactory; the problem that the equipment does not have a safety early warning device exists.
The person skilled in the art is dedicated to solving the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the technical purpose of the present invention is to solve the problems mentioned in the background.
In order to realize the technical purpose, the utility model provides a steam temperature and pressure reducer for power plants, which comprises a steam pipe, wherein the top end of the steam pipe is provided with a main steam pipe body, one side of the main steam pipe body is provided with a branch pipe, a flow meter is arranged on the branch pipe, one end of the branch pipe, which is far away from the main steam pipe body, is provided with a branch end plate, the other side of the main steam pipe body is provided with a control end plate, one side of the control end plate, which is far away from the main steam pipe body, is movably connected with a flow regulating device, the top end of the main steam pipe body is provided with an inlet pipe, one end of the inlet pipe, which is far away from the main steam pipe body, is provided with a safe cooling pipe, the top end of the safe cooling pipe is provided with a steam mixing pipeline, the steam mixing pipeline is provided with a side through pipe, the top end of the steam mixing pipeline is provided with a temperature and pressure reducing valve body, and the outside of the temperature and pressure reducing valve body is provided with a regulating valve, and a safety early warning device is installed on the top end thread of the temperature and pressure reducing valve body.
Preferably, the left side wall surface of the control end plate is in threaded connection with a connecting screw, the regulating valve is provided with pressure scales, and the inner side of the pressure scales is provided with a regulating column.
Preferably, the flow regulation device's the outside is provided with the fender bracket, the fender bracket is close to the one end of control end plate is provided with the mounting panel, the fender bracket is kept away from the one end of control end plate is rotated and is connected with the regulation carousel.
Preferably, the safety cooling pipe is provided with a cooling frame, the inner side of the cooling frame is movably connected with a jacking rod, and the bottom end of the jacking rod is provided with a contact head.
Preferably, the top end of the side through pipe is provided with an air nozzle.
Preferably, the inner side of the temperature and pressure reducing valve body is provided with a top head, the bottom end of the top head is provided with a stroke rod, the top end of the stroke rod is provided with a top cover, and the bottom end of the top cover is provided with a spring valve.
The utility model has the advantages that:
the utility model discloses because above-mentioned structural design, through external governing valve and cooling frame, with during cooling water spouts venturi tube or steam conduit's steam with vaporific from the nozzle of different forms, make steam temperature reduce, the cooling frame adopts the copper product material, can reduce steam temperature fast.
When the steam pressure reduction work is carried out, high-pressure steam props against the contact head, the contact head moves upwards, the jacking rod is jacked upwards and is contacted with the stroke rod, at the moment, high-temperature steam flows out of the vent nozzle, the steam pressure can be reduced, the rest low-pressure steam flows out of the side through pipes on the two sides, the temperature reduction and pressure reduction system is matched for use, and the rapid cold treatment of the steam can be realized; in the steam treatment process, if the pressure and the temperature of the introduced steam exceed preset thresholds, the safety early warning device is opened at the moment, the air release screw and the plug screw are loosened, high-temperature and high-pressure steam is quickly discharged into the atmosphere, and equipment explosion is prevented.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a sectional view of the temperature and pressure reducing valve body of the present invention;
FIG. 3 is a schematic view of a partial structure of the middle flow rate adjusting device of the present invention;
fig. 4 is the local structure diagram of the middle safety precaution device of the utility model.
In the figure: 1 steam pipe, 2 main steam pipe body, 3 branch pipes, 4 branch end plates, 5 flow meter, 6 control end plates, 601 connecting screws, 7 flow regulating device, 701 regulating turntable, 702 protection frame, 703 mounting plate, 8 inlet pipe, 9 safety cooling pipe, 901 cooling frame, 902 jacking rod, 903 contact, 10 side through pipe, 1001 air nozzle, 11 steam mixing pipeline, 12 temperature and pressure reducing valve body, 1201 jacking head, 1202 spring valve, 1203 top cover, 1204 stroke rod, 13 regulating valve, 1301 pressure scale, 1302 regulating column, 14 safety early warning device, 1401 air bleeding screw and 1402 plug screw.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example (b):
as shown in fig. 1-4, a steam temperature and pressure reducer for power plants comprises a steam pipe 1, a main steam pipe body 2 connected to the top end of the steam pipe 1, a branch pipe 3 connected to one side of the main steam pipe body 2, a flow meter 5 connected to the branch pipe 3, a branch end plate 4 welded to one end of the branch pipe 3 away from the main steam pipe body 2, a control end plate 6 connected to the other side of the main steam pipe body 2, a flow regulator 7 rotatably installed on one side of the control end plate 6 away from the main steam pipe body 2, an inlet pipe 8 connected to the top end of the main steam pipe body 2, a safety cooling pipe 9 connected to one end of the inlet pipe 8 away from the main steam pipe body 2, a steam mixing pipe 11 welded to the top end of the safety cooling pipe 9, side through pipes 10 installed on both sides of the steam mixing pipe 11, a temperature and pressure reducing valve body 12 installed on the top end of the steam mixing pipe 11, and a regulating valve 13 installed on the outside of the temperature and pressure reducing valve body 12, the safety early warning device 14 is installed to the top thread of the pressure reducing valve body 12, and has the advantages of high safety, capability of starting safety early warning measures when the steam pressure and the temperature are too high, high temperature reducing efficiency and the like.
Specifically, the left side wall surface of the control end plate 6 is in threaded connection with a connecting screw 601, the regulating valve 13 is provided with a pressure scale 1301, and the inner side of the pressure scale 1301 is provided with a regulating column 1302.
Specifically, a protection frame 702 is arranged on the outer side of the flow regulating device 7, a mounting plate 703 is arranged at one end of the protection frame 702 close to the control end plate 6, and an adjusting turntable 701 is rotatably connected to one end of the protection frame 702 far from the control end plate 6, so that the flow in the pipe can be regulated.
Specifically, safe cooling tube 9 is provided with cooling frame 901, and cooling frame 901 is made by the copper product, can reduce steam temperature fast, and the inboard swing joint of cooling frame 901 has jack-up pole 902, and the bottom of jack-up pole 902 is provided with contact 903, can improve the withstand voltage and the temperature performance of body.
Specifically, the top end of the side duct 10 is provided with a breather 1001 to reduce the pressure of the steam.
Specifically, a top 1201 is arranged on the inner side of the temperature and pressure reducing valve body 12, a stroke rod 1204 is arranged at the bottom end of the top 1201, a top cover 1203 is arranged at the top end of the stroke rod 1204, and a spring valve 1202 is arranged at the bottom end of the top cover 1203, so that the temperature and pressure of the steam can be reduced.
Specifically, the safety early warning device 14 is in threaded connection with the temperature and pressure reducing valve body 12 through a deflation screw 1401, and a screw plug 1402 is lapped at the bottom end of the deflation screw 1401 to prevent the equipment from exploding.
The utility model discloses theory of operation and use flow:
the main body of the steam temperature and pressure reducer for the power plant comprises a steam pipe 1, a main steam pipe body 2, a branch pipe 3, a flowmeter 5 and other parts (mainly divided into two parts of temperature reduction and pressure reduction). The temperature reducing part sprays cooling water into steam in a venturi tube or a pipeline in a mist form from nozzles (not shown in the figure) in different forms through an external high pressure difference regulating valve 13 and a cooling frame 901 to reduce the temperature of the steam; when steam is decompressed, high-pressure steam props against the contact head 903, the contact head 903 moves upwards to prop up the jacking rod 902 upwards, the jacking rod 902 is in contact with the stroke rod 1204, high-temperature steam flows out of the vent nozzle 1001 at the moment, steam pressure can be reduced, and residual low-pressure steam flows out of the side through pipes 10 on the two sides, so that rapid cold treatment of the steam can be realized; in the steam treatment process, if the pressure and the temperature of the introduced steam exceed preset thresholds, the safety early warning device 14 is opened, the air release screw 1401 and the screw plug 1402 are loosened, high-temperature and high-pressure steam is quickly discharged into the atmosphere, and equipment explosion is prevented. The utility model discloses the security is high, can start safe early warning measure when steam pressure and temperature are too high, still has advantages such as the temperature reduction efficiency is fast.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (9)

1. Steam pressure reducer that reduces temperature that power plant used, including steam pipe (1), its characterized in that: a main steam pipe body (2) is arranged at the top end of the steam pipe (1), a branch pipe (3) is arranged on one side of the main steam pipe body (2), a flow meter (5) is arranged on the branch pipe (3), a branch end plate (4) is arranged at one end, far away from the main steam pipe body (2), of the branch pipe (3), a control end plate (6) is arranged on the other side of the main steam pipe body (2), a flow regulating device (7) is movably connected to one side, far away from the main steam pipe body (2), of the control end plate (6), a feed-in pipe (8) is arranged at the top end of the main steam pipe body (2), a safe cooling pipe (9) is arranged at one end, far away from the main steam pipe body (2), a steam mixing pipeline (11) is arranged at the top end of the safe cooling pipe (9), a side through pipe (10) is arranged on the steam mixing pipeline (11), the steam mixing pipeline is characterized in that a temperature and pressure reducing valve body (12) is arranged at the top end of the steam mixing pipeline (11), an adjusting valve (13) is arranged on the outer side of the temperature and pressure reducing valve body (12), and a safety early warning device (14) is installed on the top end of the temperature and pressure reducing valve body (12) in a threaded mode.
2. A steam de-attemperation and pressure reducer for electric power plants according to claim 1, wherein: the left side wall surface of the control end plate (6) is in threaded connection with a connecting screw (601), the regulating valve (13) is provided with pressure scales (1301), and the inner side of each pressure scale (1301) is provided with a regulating column (1302).
3. A steam de-attemperation and pressure reducer for electric power plants according to claim 1, wherein: the outside of flow regulation apparatus (7) is provided with fender bracket (702), fender bracket (702) are close to the one end of control end plate (6) is provided with mounting panel (703), fender bracket (702) are kept away from the one end of control end plate (6) is rotated and is connected with regulation carousel (701).
4. A steam de-attemperation and pressure reducer for electric power plants according to claim 1, wherein: the safe cooling pipe (9) is provided with a cooling frame (901), the inner side of the cooling frame (901) is movably connected with a jacking rod (902), and the bottom end of the jacking rod (902) is provided with a contact head (903).
5. A steam de-attemperation and pressure reducer for electric power plants according to claim 1, wherein: the top end of the side through pipe (10) is provided with an air nozzle (1001).
6. A steam de-attemperation and pressure reducer for electric power plants according to claim 1, wherein: the inner side of the temperature and pressure reducing valve body (12) is provided with a top head (1201), the bottom end of the top head (1201) is provided with a stroke rod (1204), the top end of the stroke rod (1204) is provided with a top cover (1203), and the bottom end of the top cover (1203) is provided with a spring valve (1202).
7. A steam de-attemperation and pressure reducer for electric power plants according to claim 1, wherein: the safety early warning device (14) is in threaded connection with the temperature and pressure reducing valve body (12) through an air discharging screw (1401), and a screw plug (1402) is lapped at the bottom end of the air discharging screw (1401).
8. A steam temperature and pressure reducer for power plants according to claim 4, wherein: and two sides of the steam mixing pipeline (11) are respectively provided with a side through pipe (10).
9. A steam temperature and pressure reducer for power plants according to claim 4, wherein: the cooling rack (901) is made of copper material.
CN202120766632.4U 2021-04-15 2021-04-15 Steam temperature and pressure reducer for power plant Active CN215062005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120766632.4U CN215062005U (en) 2021-04-15 2021-04-15 Steam temperature and pressure reducer for power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120766632.4U CN215062005U (en) 2021-04-15 2021-04-15 Steam temperature and pressure reducer for power plant

Publications (1)

Publication Number Publication Date
CN215062005U true CN215062005U (en) 2021-12-07

Family

ID=79149029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120766632.4U Active CN215062005U (en) 2021-04-15 2021-04-15 Steam temperature and pressure reducer for power plant

Country Status (1)

Country Link
CN (1) CN215062005U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Steam temperature and pressure reducers used in power plants

Effective date of registration: 20231122

Granted publication date: 20211207

Pledgee: Jing'an Sub-branch of Shanghai Rural Commercial Bank Co.,Ltd.

Pledgor: Shanghai Intelligence Power Electric Engineering Corp.

Registration number: Y2023310000762

PE01 Entry into force of the registration of the contract for pledge of patent right