CN217178293U

CN217178293U - Be applied to steam heating network pipeline, stabilize pressure regulating device of heat supply parameter

Info

Publication number: CN217178293U
Application number: CN202123060353.5U
Authority: CN
Inventors: 何向民
Original assignee: Shanghai Huadian Minhang Energy Co ltd
Current assignee: Shanghai Huadian Minhang Energy Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-12
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a be applied to steam heating network pipeline, stabilize the regulator of heat supply parameter relates to pressure regulating valves technical field, and steam has the problem of superheat degree about 5-10 degrees on the corresponding saturation temperature of operating pressure for solving current regulator can not satisfy air-vent valve back steam. Pressure regulating mechanism includes valve body, valve gap, electric actuator, electric cabinet and control instrument box, electric actuator's internally mounted has distribution equipment, and distribution equipment includes solid state relay and thermorelay, the electric cabinet includes regulation and control module and tapered end, electric actuator includes the liquid crystal display module, the electric cabinet sets up to stainless steel, the protection level of electric cabinet is the IP, control instrument box has communication function, the inside of valve body is provided with valve cage and case, the one end of valve body is provided with steam outlet, the other end of valve body is provided with steam inlet, take over after the valve is installed to steam outlet's one end.

Description

Be applied to steam heating network pipeline, stabilize pressure regulating device of heat supply parameter

Technical Field

The utility model relates to a pressure regulating valves technical field specifically is a be applied to steam heating network pipeline, stabilizes the regulator of heat supply parameter.

Background

The pressure regulating valve and the pressure regulating valve realize the pressure regulation from the primary side to the secondary side through the pressure regulating device, and the basic principle is that the pressure of gas is regulated through the pressure balance of a spring and the gas. The inlet pressure regulating valve can be divided into an inlet pressure reducing valve, an inlet electric pressure regulating valve, an inlet pneumatic pressure regulating valve, an inlet self-operated pressure regulating valve and the like at most from the prior application.

However, the existing pressure regulating device cannot meet the superheat degree of steam after the pressure regulating valve, which is 5-10 degrees above the saturation temperature corresponding to the working pressure, so that the existing requirement is not met, and the pressure regulating device which is applied to a steam heating network pipeline and stabilizes heat supply parameters is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to steam heating network pipeline, stabilize the pressure regulating device of heat supply parameter to solve the problem that steam has the superheat degree about 5-10 degrees above the corresponding saturation temperature of operating pressure behind the air-vent valve that present pressure regulating device who proposes in the above-mentioned background art can not satisfy.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to steam heating network pipeline, stabilize pressure regulating device of heat supply parameter, includes pressure regulating mechanism, pressure regulating mechanism includes valve body, valve gap, electric actuator, electric cabinet and control instrument case, electric actuator's internally mounted has distribution equipment, and distribution equipment includes solid state relay and thermorelay, the electric cabinet includes regulation and control module and tapered end, electric actuator includes the liquid crystal display module, the electric cabinet sets up to stainless steel, the protection level of electric cabinet is IP56, control instrument case has 485 communication functions, the inside of valve body is provided with valve cage and case.

Preferably, one end of the valve body is provided with a steam outlet, and the other end of the valve body is provided with a steam inlet.

Preferably, one end of the steam outlet is provided with a valve rear connecting pipe, and one end of the steam inlet is provided with a valve front connecting pipe.

Preferably, a first pressure gauge is installed at the upper end of the rear valve connecting pipe, a second pressure gauge is installed at the upper end of the front valve connecting pipe, and the first pressure gauge and the second pressure gauge respectively comprise a buffer ring and a stainless steel instrument valve.

Preferably, the steam outlet is fixedly connected with the valve rear connecting pipe through a flange, and the steam inlet is fixedly connected with the valve front connecting pipe through a flange.

Preferably, the pressure regulating mechanism includes a condenser.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to an through promoting the initial temperature initial pressure and then reducing pressure in order to reach the air-vent valve of required heat supply parameter, through promoting the initial temperature initial pressure, reached after the decompression steam possesses the operating pressure and corresponds the superheat degree about 5-10 degrees above the saturation temperature, the artifical frequent adjustment has been reduced, introduce automated control simultaneously and realized the real-time adjustment and the supervision of pressure regulating valves steam data, the steady operation of heat supply unit has been ensured, make user side steam parameter receive high-pressure main pipe parameter influence show the reduction, the parameter quality of user side steam supply has effectively been promoted, for high-pressure heat supply network heat supply safety has increased the guarantee;

2. the utility model discloses can realize that heat supply steam conduit directly supplies to replace original heat supply boiler, practice thrift the fuel cost that former gas boiler supplied vapour to terminal hot user to economic benefits has been promoted.

Drawings

Fig. 1 is a schematic structural view of a pressure regulating device for stabilizing heat supply parameters, which is applied to a steam heating network pipeline of the present invention;

FIG. 2 is a schematic structural view of the electric cabinet of the present invention;

fig. 3 is a working principle diagram of the electric actuator of the present invention.

In the figure: 1. a pressure regulating mechanism; 2. a valve body; 3. a valve cover; 4. an electric actuator; 5. an electric cabinet; 6. a control instrument box; 7. a liquid crystal display module; 8. a regulation module; 9. a lock head; 10. A steam outlet; 11. a steam inlet; 12. taking over the valve; 13. a valve front connection pipe; 14. a first pressure gauge; 15. a second pressure gauge; 16. a condenser.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a pressure regulating device applied to a steam heating network pipeline and used for stabilizing heat supply parameters comprises a pressure regulating mechanism 1, wherein the pressure regulating mechanism 1 comprises a valve body 2, a valve cover 3, an electric actuator 4, an electric cabinet 5 and a control instrument box 6, power distribution equipment is arranged in the electric actuator 4 and comprises a solid-state relay and a thermal relay, the electric cabinet 5 comprises a regulating module 8 and a lock 9, the electric actuator 4 comprises a liquid crystal display module 7, the electric cabinet 5 is made of stainless steel, the protection grade of the electric cabinet 5 is IP56, the control instrument box 6 has a 485 communication function, a valve cage and a valve core are arranged in the valve body 2, the integral pressure regulating mechanism 1 is used for regulating pressure by increasing initial temperature initial pressure and then reducing pressure to achieve a pressure regulating valve of required heat supply parameters, and steam has superheat degree which is about 5-10 ℃ above a working pressure and a saturation temperature after reducing pressure by increasing the initial temperature initial pressure, the manual frequent adjustment is reduced, meanwhile, automatic control is introduced to realize real-time adjustment and monitoring of steam data of the pressure regulating valve group, stable operation of the heat supply unit is guaranteed, steam parameters of a user side are obviously reduced due to the influence of parameters of a high-pressure main pipe, parameter quality of steam supply of the user side is effectively improved, guarantee is increased for safety of high-pressure heat supply network heat supply, the original heat supply boiler is directly replaced by a heat supply steam pipeline, fuel cost of steam supply of the original gas boiler to a terminal heat user is saved, economic benefit is improved, energy is saved, consumption is reduced, and operation cost is reduced.

Further, one end of the valve body 2 is provided with a steam outlet 10, the other end of the valve body 2 is provided with a steam inlet 11, the steam pressure at the inlet of the valve body 2 is 2.2-2.5MPa, and the steam pressure at the outlet is 1.95+0.02 MPa.

Further, one end of the steam outlet 10 is provided with a valve rear connecting pipe 12, one end of the steam inlet 11 is provided with a valve front connecting pipe 13, and both the valve rear connecting pipe 12 and the valve front connecting pipe 13 are used for conveying superheated steam medium.

Further, a first pressure gauge 14 is installed at the upper end of the rear valve connecting pipe 12, a second pressure gauge 15 is installed at the upper end of the front valve connecting pipe 13, and the first pressure gauge 14 and the second pressure gauge 15 both comprise a buffer ring and a stainless steel instrument valve.

Further, the steam outlet 10 is fixedly connected with the valve rear connecting pipe 12 through a flange, the steam inlet 11 is fixedly connected with the valve front connecting pipe 13 through a flange, the connection mode is simple, and the valve rear connecting pipe 12 and the valve front connecting pipe 13 are convenient to assemble and disassemble.

Further, the pressure regulating mechanism 1 includes a condenser 16, which functions as condensation.

The working principle is as follows: when in use, the pressure regulating mechanism 1 is composed of an electric regulating valve, a matched electric cabinet 5 and a control instrument box 6, the electric actuating mechanism 4 adopts an intelligent integrated device and is provided with a liquid crystal display module 7 for liquid crystal display, solid-state relays and thermal relay power distribution equipment are arranged in the electric actuating mechanism 4 and have an off-signal position-keeping function, a pressure gauge is arranged on a connecting pipe, the integral pressure regulating mechanism 1 is used for increasing the initial temperature and then reducing the pressure to achieve a pressure regulating valve of required heat supply parameters, the initial temperature and the pressure are increased, the steam after pressure reduction has the working pressure which is about 5 to 10 degrees above the saturation temperature corresponding to the working pressure, the manual frequent adjustment is reduced, meanwhile, the automatic superheat control is introduced to realize the real-time adjustment and monitoring of the steam data of the pressure regulating valve group, the stable operation of the heat supply unit is ensured, and the influence of the steam parameters at the user side by the high-pressure main pipe parameters is obviously reduced, the steam supply system has the advantages that the parameter quality of steam supply at the user side is effectively improved, the guarantee is increased for the heat supply safety of the high-pressure heat supply network, the direct supply of a heat supply steam pipeline is realized to replace the original heat supply boiler, the fuel cost of supplying steam to the terminal heat user by the original gas-fired boiler is saved, the economic benefit is improved, the energy is saved, the consumption is reduced, and the operation cost is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be applied to steam heating network pipeline, stabilize heat supply parameter's pressure regulating device, includes pressure regulating mechanism (1), its characterized in that: pressure regulating mechanism (1) includes valve body (2), valve gap (3), electric actuator (4), electric cabinet (5) and control instrument case (6), the internally mounted of electric actuator (4) has distribution equipment, and distribution equipment includes solid state relay and thermorelay, electric cabinet (5) are including regulation and control module (8) and tapered end (9), electric actuator (4) are including liquid crystal display module (7), electric cabinet (5) set up to stainless steel, the protection level of electric cabinet (5) is IP56, control instrument case (6) have 485 communication functions, the inside of valve body (2) is provided with valve cage and case.

2. The pressure regulating device applied to the steam heating network pipeline for stabilizing the heating parameters according to claim 1, is characterized in that: one end of the valve body (2) is provided with a steam outlet (10), and the other end of the valve body (2) is provided with a steam inlet (11).

3. The pressure regulating device applied to the steam heating network pipeline for stabilizing the heating parameters according to claim 2 is characterized in that: one end of the steam outlet (10) is provided with a valve rear connecting pipe (12), and one end of the steam inlet (11) is provided with a valve front connecting pipe (13).

4. The pressure regulating device applied to the steam heating network pipeline for stabilizing the heating parameters according to claim 3, is characterized in that: first manometer (14) are installed to the upper end of takeover (12) behind the valve, second manometer (15) are installed to the upper end of takeover (13) before the valve, first manometer (14) and second manometer (15) all include buffer ring and stainless steel instrument valve.

5. The pressure regulating device applied to the steam heating network pipeline for stabilizing the heating parameters according to claim 3, is characterized in that: the steam outlet (10) is fixedly connected with the valve rear connecting pipe (12) through a flange, and the steam inlet (11) is fixedly connected with the valve front connecting pipe (13) through a flange.

6. The pressure regulating device applied to the steam heating network pipeline for stabilizing the heating parameters according to claim 1, is characterized in that: the pressure regulating mechanism (1) comprises a condenser (16).