CN214501386U

CN214501386U - Heat exchange station system

Info

Publication number: CN214501386U
Application number: CN202120696648.2U
Authority: CN
Inventors: 荣晓蕾; 于凯; 徐常珲
Original assignee: Rongcheng Changqing Heating Co ltd
Current assignee: Rongcheng Changqing Heating Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-10-26
Anticipated expiration: 2031-04-06

Abstract

The application provides a heat exchange station system, which solves the problem of the existing potential safety hazard that the system pressure is rapidly increased due to an emergency power failure condition, and comprises a water supply pipeline and a water return pipeline, wherein the water supply pipeline comprises a primary network water supply pipeline and a secondary network water supply pipeline which are mutually communicated, and the primary network water supply pipeline is provided with a regulating valve and an automatic shutoff valve; the return water pipeline is including the secondary net return water pipeline and the primary net return water pipeline of mutual intercommunication, and the primary net return water pipeline is provided with the booster pump, connects between water supply pipe and the return water pipeline to be provided with muddy water pump, but wide application in heat transfer station technical field.

Description

Heat exchange station system

Technical Field

The application belongs to the technical field of heat exchange stations, and particularly relates to a heat exchange station system.

Background

With the rapid development of the social and economic level, the demand of people on heating is gradually increased, the demand on heating quality is higher and higher, and the traditional single heating form cannot meet the demand of people at present.

The heat exchange station is a place where heat is concentrated and exchanged. When the power system is powered off, the pump equipment of the heat exchange station stops running, the pressure of the whole heat exchange station system can be quickly increased, and extremely high potential safety hazards exist; in order to solve the problem, a safety valve is arranged in the system, when the pressure of the system rises, the pressure is reduced by discharging water and relieving pressure, but the method can generate a large amount of artificial water loss, and serious economic loss is caused.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a heat exchange station system for solve because of the potential safety hazard problem that the power failure situation leads to system's pressure to rise fast.

Therefore, the utility model provides a heat exchange station system, which comprises a water supply pipeline and a water return pipeline, wherein the water supply pipeline comprises a primary network water supply pipeline and a secondary network water supply pipeline which are mutually communicated, and the primary network water supply pipeline is provided with a regulating valve and an automatic shutoff valve; the water return pipeline comprises a secondary network water return pipeline and a primary network water return pipeline which are mutually communicated, the primary network water return pipeline is provided with a booster pump, and a water mixing pump is connected between the water supply pipeline and the water return pipeline.

Preferably, the water mixing pumps between the water supply pipeline and the water return pipeline are two groups which are arranged in parallel.

Preferably, a temperature transmitter, a pressure transmitter and a ball valve are arranged on the primary network water supply pipeline, the secondary network water return pipeline and the primary network water return pipeline, and the temperature transmitter and the pressure transmitter are sequentially arranged on the pipelines.

Preferably, the ball valve is connected with the water supply pipeline and the water return pipeline in a welding mode.

Preferably, the two ends of the ball valve on the primary network water return pipeline are connected with the booster pumps, and the booster pumps are two groups which are arranged in parallel.

Preferably, the primary network water supply pipeline is provided with a dirt separator and a heat meter, and the secondary network water supply pipeline is provided with a flowmeter.

Preferably, the heat meter and the flow meter are of the ultrasonic type.

Preferably, the outlets of the booster pump and the mixing pump are respectively provided with a check valve.

The utility model has the advantages that: utilize the governing valve of once net supply channel and the booster pump cooperation of once net return water pipeline to use in the heat transfer station system and can reach the effect of step-down steady operation, meet the proruption power failure situation when the heat transfer station and lead to pump equipment stall, the pressure of whole heat transfer station system can rise fast, the potential safety hazard increases, the utility model discloses the automatic shutoff valve that sets up in the heat transfer station system, the valve normally opens during the system circular telegram, when the system meets the power failure situation, the electric actuator of valve starts immediately, uses built-in battery to provide power from the automatic shutoff valve, prevents that valve rear end pressure from rising, has solved the potential safety hazard problem that the power failure back system pressure risees, makes the heat transfer station system can be safer, stable operation gets up.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

The symbols in the drawings illustrate that:

1. a primary network water supply line; 2. a secondary network water supply line; 3. a secondary net water return pipeline; 4. a primary net water return pipeline; 5. adjusting a valve; 6. automatically shutting off the valve; 7. a booster pump; 8. a water mixing pump; 9. a temperature transmitter; 10. a pressure transmitter; 11. a ball valve; 12. a dirt separator; 13. a heat meter; 14. a flow meter; 15. a check valve.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

As shown in fig. 1, the utility model provides a heat exchange station system, which comprises a water supply pipeline and a water return pipeline, wherein the water supply pipeline comprises a primary network water supply pipeline 1 and a secondary network water supply pipeline 2 which are mutually communicated, and the primary network water supply pipeline 1 is provided with a regulating valve 5 and an automatic shutoff valve 6; the water return pipeline comprises a secondary network water return pipeline 3 and a primary network water return pipeline 4 which are mutually communicated, the primary network water return pipeline 4 is provided with a booster pump 7, the terrain of a head station in some heat exchange station systems is highest, if the pressure reduction measure is not taken in the area with the lowest altitude, the actual pressure is far beyond the designed pressure, the aging of heat exchange station equipment is accelerated due to long-term overpressure operation, the service life is shortened, meanwhile, the potential safety hazard is increased, the pipe explosion accident is easy to occur, and therefore, the pressure reduction measure is required to be taken in the heat exchange station, the utility model discloses the effect of stable operation of pressure reduction can be achieved by using the regulating valve 5 on the primary network water supply pipeline 1 and the booster pump 7 on the primary network water return pipeline 4 in a matching way; when the unexpected power failure situation of heat transfer station leads to pump equipment to stop working, heat transfer station system pressure can rise fast, has the potential safety hazard, the utility model discloses well automatic shutoff valve 6 that sets up, the valve normally opens when the system circular telegram, and the electric actuator of valve starts immediately during the outage, uses built-in battery to provide power and from the automatic valve that closes, prevents that valve rear end pressure from rising, and it has solved the potential safety hazard problem that the power failure back system pressure risees, makes heat transfer station system can be safer, stable operation.

In this embodiment, water supply, the muddy water pump 8 between the return water pipeline are two sets of for parallelly connected setting, muddy water pump 8 can squeeze into the water supply pipeline with a part of secondary return water of return water pipeline in, low temperature return water becomes secondary water supply after with high temperature water supply mixes, it is right the utility model discloses play the effect of heat transfer, muddy water pump 8 this kind of mode has replaced traditional heat exchanger, requires once supply water temperature and secondary supply water temperature's difference in temperature great when the heat exchanger normally uses, and muddy water pump 8 does not have this restriction condition, just can use to the very little difference in temperature between the two, compares in the heat exchanger, muddy water pump 8 has more extensive suitability; the parallel design of the water mixing pump 8 enables more secondary backwater in the backwater pipeline to be pumped into the water supply pipeline, the flow of the secondary backwater in the pipeline is increased, and a better heat exchange effect is provided for the system.

In this embodiment, the water supply pipeline 1 of once net, the water supply pipeline 2 of twice net, all install on water return pipeline 3 of twice net and the water return pipeline 4 of once net and be equipped with temperature transmitter 9, pressure transmitter 10 and ball valve 11, temperature transmitter and pressure transmitter set gradually on each pipeline, temperature transmitter 9 and pressure transmitter 10 can be used for detecting the temperature and the pressure variation condition of above-mentioned each pipeline, real time monitoring's effect has been played, and can be with the temperature of each pipeline, pressure parameter conveys on the information platform, remote control carries out.

In this embodiment, the connected mode between ball valve 11 and water supply pipe, the return water pipeline is welded connection, and ball valve 11 self light in weight, easily keep warm, the installation of being convenient for, and its valve body structure adopts integral welded mode, can not have the outside phenomenon of revealing, has characteristics such as good sealing performance, corrosion resisting property and long service life.

In this embodiment, the both ends of ball valve 11 on the primary network return water pipeline 4 are connected with booster pump 7, and booster pump 7 is parallelly connected two sets of that sets up, and the secondary return water flows through the secondary network return water pipeline 3 and flows through to the primary network return water pipeline 4 in, and this kind of parallelly connected design of booster pump 7 has increased the return water flow in the primary network return water pipeline 4 for more secondary return waters change primary return water into through the return water pipeline, have improved the work efficiency of heat transfer station system greatly.

In the embodiment, a primary network water supply pipeline 1 is provided with a dirt separator 12 and a heat meter 13, a secondary network water supply pipeline is provided with a flow meter 14, the dirt separator 12 is installed on the primary network water supply pipeline 1 and is an inlet water supply main pipe of a user, and the dirt separator 12 is used for removing and filtering impurities and dirt in the primary network water supply pipeline 1, keeping the water quality in a heat exchange station system clean, reducing resistance, protecting equipment in the heat exchange station system and preventing pipeline blockage; the heat meter 13 is used for detecting and calculating the heat value of the water flow passing through the primary network water supply pipeline 1, and the flow meter 14 is used for measuring the flow value of the water flow passing through the secondary network water supply pipeline 2.

In the embodiment, the types of the heat meter 13 and the flow meter 14 are both ultrasonic, the measurement accuracy of the ultrasonic flow meter is very high, and the ultrasonic flow meter is hardly interfered by various parameters of a measured medium, so that the flow measurement problems of the strong corrosivity, the non-conductivity, the radioactivity and the flammable and explosive medium which cannot be solved by other meters can be particularly solved; the ultrasonic heat meter has the advantages of no mechanical impeller rotation, no mechanical abrasion, low maintenance and comprehensive use cost, long service life far longer than that of other mechanical heat meters, no blockage, no abrasion, accurate metering and contribution to smooth heat supply metering work.

In this embodiment, the outlets of the booster pump 7 and the water mixing pump 8 are all provided with the check valve 15, when the sudden power failure condition of the heat exchange station leads to the pump equipment to stop operating, the check valves 15 at the outlets of the booster pump 7 and the water mixing pump 8 can well prevent the backflow of the return water, thereby avoiding the pressure rise at the rear end of the pipeline and handling the potential safety hazard of the pressure rise after the power failure of the heat exchange station system.

The utility model discloses a theory of operation is: as shown in fig. 1, primary water supply becomes secondary water supply through a primary network water supply pipeline 1 and a secondary network water supply pipeline 2 of a water supply pipeline, secondary water return becomes primary water return through a secondary network water return pipeline 3 and a primary network water return pipeline 4 of a water return pipeline, a water mixing pump 8 exchanges heat between the water supply pipeline and the water return pipeline, a part of the secondary water return of the water return pipeline is pumped into the water supply pipeline, low-temperature water return and high-temperature water supply are mixed to become secondary water supply, the opening degree of a valve of an adjusting valve 5 on the primary network water supply pipeline 1 is adjusted, and the secondary water supply and the secondary water return pipeline are matched with a booster pump 7 on the primary network water return pipeline 4 to jointly use to achieve pressure reduction and stable operation of a heat exchange station system; when the sudden power failure condition of the heat exchange station causes the pump equipment to stop operating, the automatic shutoff valve 6 on the primary network water supply pipeline 1 in the heat exchange station system is normally opened when being powered on, the electric actuator of the valve is immediately started when the power is off, the built-in battery is used for providing power to automatically close the valve, the pressure at the rear end of the valve is prevented from rising, the primary network water return pipeline 4 prevents the return water from rising in reverse flow by using the check valve 15 at the outlet of the booster pump 7, the potential safety hazard problem that the pressure of the heat exchange station system rises after the power failure is solved, and the safe and stable operation of the heat exchange station system is ensured.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a heat exchange station system, includes water supply line and return water pipeline, its characterized in that: the water supply pipeline comprises a primary network water supply pipeline (1) and a secondary network water supply pipeline (2) which are communicated with each other, and the primary network water supply pipeline (1) is provided with an adjusting valve (5) and an automatic shutoff valve (6); the water return pipeline comprises a secondary net water return pipeline (3) and a primary net water return pipeline (4) which are communicated with each other, the primary net water return pipeline (4) is provided with a booster pump (7), and a water mixing pump (8) is connected between the water supply pipeline and the water return pipeline.

2. A heat exchange station system according to claim 1, characterised in that: the water mixing pumps (8) between the water supply pipeline and the water return pipeline are two groups which are arranged in parallel.

3. A heat exchange station system according to claim 1, characterised in that: the temperature transmitter (9), the pressure transmitter (10) and the ball valve (11) are installed and arranged on the primary network water supply pipeline (1), the secondary network water supply pipeline (2), the secondary network water return pipeline (3) and the primary network water return pipeline (4), and the temperature transmitter (9) and the pressure transmitter (10) are sequentially arranged on the pipelines.

4. A heat exchange station system according to claim 3, characterised in that: the ball valve (11) is connected with the water supply pipeline and the water return pipeline in a welding mode.

5. A heat exchange station system according to claim 3, characterised in that: the two ends of the ball valve (11) on the primary network water return pipeline (4) are connected with the booster pumps (7), and the booster pumps (7) are two groups which are arranged in parallel.

6. A heat exchange station system according to claim 1, characterised in that: the water supply pipeline of the primary network (1) is provided with a dirt separator (12) and a heat meter (13), and the water supply pipeline of the secondary network is provided with a flow meter (14).

7. A heat exchange station system according to claim 6, wherein: the heat meter (13) and the flow meter (14) are both ultrasonic.

8. A heat exchange station system according to claim 1, characterised in that: and the outlets of the booster pump (7) and the water mixing pump (8) are respectively provided with a check valve (15).