CN218495078U

CN218495078U - Direct heat supply building station based on heat source side pressure difference control

Info

Publication number: CN218495078U
Application number: CN202220414024.1U
Authority: CN
Inventors: 张进; 李文雄; 姚振宇
Original assignee: Beijing Huanglong Century Technology Co ltd
Current assignee: Beijing Huanglong Century Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2023-02-17
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a direct heat supply building station based on heat source side pressure difference control, including switch board and be used for communicating heat source side with user's side heating delivery pipe and heating wet return, install programmable controller and communication module in the switch board, install ultrasonic wave calorimeter, electrical control valve and static balance valve on the heating wet return, install dynamic pressure difference controller and water pump on the heating delivery pipe, heating wet return and heating delivery pipe are through communicating pipe intercommunication, install the check valve on the communicating pipe; the utility model discloses in, through installation dynamic pressure difference controller, can be effectual with the pressure drop of dynamic pressure difference controller back end to the pressure differential value of setting value simultaneous control pressure point both sides, this pressure differential value can be set for through local or teletransmission platform in addition, when system's pressure is higher than or is less than the setting value, programmable controller can control dynamic pressure difference controller and carry out automatically regulated.

Description

Direct heat supply building station based on heat source side pressure difference control

Technical Field

The utility model relates to a heat supply building station specifically is a direct heat supply building station based on heat source side differential pressure control.

Background

With the gradual development of the heat supply field, a heat supply system is more complex, and a heat supply unit provides higher safety control requirements for the pressure at an inlet of a direct supply building station, particularly for an old district with lower pressure bearing capacity; there is a need to provide a safer control strategy by a pressure differential control device; in addition, the problem of hydraulic balance needs to be dynamically solved; therefore, on the premise of ensuring the heat supply safety, the energy consumption and the energy cost are reduced.

However, the existing direct-supply building station has a low automation level, most operations still need to be manually completed by professional personnel on site, and the automatic adjustment of heat supply and pressure of a heating pipeline according to the climate change is inconvenient to realize.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct heat supply building station based on heat source side differential pressure control to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a direct heat supply building station based on heat source side differential pressure control, includes the switch board and is used for the heating delivery pipe and the heating wet return of heat source side and user side, install programmable controller and communication module in the switch board, install ultrasonic wave calorimeter, electrical control valve and static balance valve on the heating wet return, install dynamic differential pressure controller and water pump on the heating delivery pipe, heating wet return and heating delivery pipe pass through communicating pipe intercommunication, install the check valve on the communicating pipe.

As a further aspect of the present invention: and first shut-off valves are respectively arranged at two ends of the heating water return pipe and the heating water supply pipe.

As a further aspect of the present invention: two pressure relief return pipes are connected to the heating water supply pipe close to the side end of the user, the pressure relief return pipes are communicated with a heating water return pipe, and second shutoff valves and electromagnetic pressure relief valves are mounted on the pressure relief return pipes.

As a further aspect of the present invention: the heating water return pipe and the heating water supply pipe are respectively provided with a pressure gauge, a thermometer and a pressure transmitter, and the heating water supply pipe is provided with a temperature transmitter.

As a further aspect of the present invention: and a filter is arranged on the heating water supply pipe close to the heat source side.

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

1. the utility model discloses in, through installation dynamic pressure difference controller, can be effectual with the pressure drop of dynamic pressure difference controller back end to the pressure differential value of setting value simultaneous control pressure point both sides, this pressure differential value can be set for through local or teletransmission platform in addition, when system's pressure is higher than or is less than the setting value, programmable controller can control dynamic pressure difference controller and carry out automatically regulated.

2. The utility model is provided with the electric regulating valve at the heating return water pipe for realizing the functions of controlling the primary return water temperature set value and remotely opening and closing; the water supply temperature at the user side is controlled by adjusting the opening of the electric adjusting valve according to the change of the outdoor temperature and the set heat supply curve, so as to realize the heat supply according to the climate change.

Drawings

Fig. 1 is a schematic diagram of a direct heating building station based on differential pressure control on the heat source side.

The system comprises a heating water return pipe 1, a heating water supply pipe 2, a static balance valve 3, an electric regulating valve 4, an ultrasonic heat meter 5, a filter 6, a dynamic pressure difference controller 7, a water pump 8, a pressure relief return pipe 9, an electromagnetic pressure relief valve 10, a first shut-off valve 11, a second shut-off valve 12, a pressure meter 13, a thermometer 14, a pressure transmitter 15, a temperature transmitter 16, a communicating pipe 17, a check valve 18 and a control cabinet 19.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, will combine the embodiment below, it is right to the utility model discloses go on further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation and be operated in a particular manner, and are not to be construed as limiting the invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1, in the embodiment of the utility model, a direct heat supply building station based on heat source side pressure difference control, including switch board 19 and be used for the heating delivery pipe 2 and the heating wet return 1 of the heat source side and user side of intercommunication, install programmable controller, touch-sensitive screen and communication module in the switch board 19, install ultrasonic wave calorimeter 5, electrical control valve 4 and static balance valve 3 on the heating wet return 1, install dynamic pressure difference controller 7 and water pump 8 on the heating delivery pipe 2, heating wet return 1 and heating delivery pipe 2 are through communicating pipe 17 intercommunication, install check valve 18 on communicating pipe 17.

And first shut-off valves 11 are respectively installed at both ends of the heating water return pipe 1 and the heating water supply pipe 2.

Two pressure relief return pipes 9 are connected to the heating water supply pipe 2 near the user side end, the pressure relief return pipes 9 are communicated with the heating water return pipe 1, and a second shut-off valve 12 and an electromagnetic pressure relief valve 10 are mounted on each pressure relief return pipe 9.

The setting of pressure release back flow 9, second shut-off valve 12 and electromagnetic relief valve 10, when the water pressure in the heating delivery pipe 2 exceeded the default, electromagnetic relief valve 10 started to make heating delivery pipe 2 communicate with heating wet return 2 through pressure release back flow 9, thereby reduce the heating water pressure who gets into user's side, avoid causing the damage to the heating pipeline of user's side.

The heating water return pipe 1 and the heating water supply pipe 2 are respectively provided with a pressure gauge 13, a thermometer 14 and a pressure transmitter 15, and the heating water supply pipe 2 is provided with a temperature transmitter 16.

The arrangement of the pressure gauge 13, the thermometer 14, the pressure transmitter 15 and the temperature transmitter 16 facilitates the monitoring of the water temperature and the water pressure in the heating water return pipe 1 and the heating water supply pipe 2 on the spot or at a remote end.

And a filter 6 is arranged on the heating water supply pipe 2 close to the heat source side.

The utility model discloses a theory of operation is:

the utility model discloses in, through installation dynamic pressure difference controller 7, can be effectual with the pressure drop of 7 back ends of dynamic pressure difference controller to the pressure differential value of setting value simultaneous control pressure tapping point both sides, this pressure differential value can be set for through local or teletransmission platform in addition, and when system pressure was higher than or was less than the setting value, programmable controller can control dynamic pressure difference controller 7 and carry out automatically regulated.

The utility model is provided with the electric regulating valve 4 at the heating return water pipe 1 for realizing the functions of controlling the primary return water temperature set value and remotely opening and closing; namely, according to the change of the outdoor temperature and the set heat supply curve, the water supply temperature at the user side is controlled by adjusting the opening degree of the electric adjusting valve 4, so as to realize the heat supply according to the climate change.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a direct heat supply building station based on poor control of heat source side pressure which characterized in that: including switch board (19) and be used for heating supply pipe (2) and heating wet return (1) of intercommunication heat source side and user side, install programmable controller and communication module in switch board (19), install ultrasonic wave calorimeter (5), electrical control valve (4) and static balance valve (3) on heating wet return (1), install dynamic pressure difference controller (7) and water pump (8) on heating supply pipe (2), heating wet return (1) and heating supply pipe (2) are through communicating pipe (17) intercommunication, install check valve (18) on communicating pipe (17).

2. The direct heating building station based on heat source side pressure difference control as claimed in claim 1, wherein: and first shut-off valves (11) are respectively arranged at two ends of the heating water return pipe (1) and the heating water supply pipe (2).

3. The direct heating building station based on heat source side pressure difference control as claimed in claim 1, wherein: two pressure relief return pipes (9) are connected to the heating water supply pipe (2) close to the side end of a user, the pressure relief return pipes (9) are communicated with the heating water return pipe (1), and second shutoff valves (12) and electromagnetic pressure relief valves (10) are mounted on the pressure relief return pipes (9).

4. The direct heating building station based on heat source side pressure difference control as claimed in claim 1, wherein: the heating water recycling device is characterized in that a pressure gauge (13), a thermometer (14) and a pressure transmitter (15) are arranged on the heating water recycling pipe (1) and the heating water supply pipe (2), and a temperature transmitter (16) is arranged on the heating water supply pipe (2).

5. The direct heating building station based on the heat source side pressure difference control as claimed in claim 1, wherein: and a filter (6) is arranged at the position of the heating water supply pipe (2) close to the heat source side.