CN217004414U

CN217004414U - High-temperature steam water source heat pump unit

Info

Publication number: CN217004414U
Application number: CN202220132668.1U
Authority: CN
Inventors: 高亚民; 李艳娇; 程世哲
Original assignee: Shenyang Hong Cheng Shiji Refrigeration Equipment Co ltd
Current assignee: Shenyang Hong Cheng Shiji Refrigeration Equipment Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-19
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to the field of refrigeration and heating equipment, and discloses a high-temperature steam water source heat pump unit which comprises a refrigerant system, a water supplementing device and a steam pipeline, wherein the refrigerant system comprises a compressor, an overheat heat exchanger, a condenser, a liquid storage device, an expansion valve, an evaporator and the like, the compressor is connected with the evaporator through a pipeline, and one end of the evaporator is connected with the expansion valve and the liquid storage device through a pipeline. In the utility model, by recycling industrial wastewater or other waste heat, an electric heater is not additionally adopted as auxiliary heating equipment; the water replenishing system adopts the water level control tank to control the water level in the condenser within a constant range, saturated steam is discharged from the condenser, the heat of the exhaust section of the compressor is recovered by the overheat heat exchanger, the saturated steam which is generated by the condenser and is higher than about 100 ℃ is further heated to overheat steam with the maximum temperature of 120 ℃, and the process does not need to additionally adopt the steam compressor as power, so that the device is safe, environment-friendly and energy-saving.

Description

High-temperature steam water source heat pump unit

Technical Field

The utility model relates to the field of refrigeration and heating equipment, in particular to a high-temperature steam water source heat pump unit.

Background

With the continuous implementation of energy-saving and environment-friendly policies, the renewable energy technology in various energy fields is more and more widely applied, and the application of the renewable energy technology to the heat pump technology reaches an unprecedented degree. However, in the steam application field, steam boilers are still mainly used, currently available steam is mainly generated by heating of the boilers, no matter what kind of fuel (petroleum, fuel gas, coal and the like) is used, the energy utilization efficiency is low, and the problem of air pollution exists. Therefore, compared with a steam boiler, the high-temperature heat pump steam engine is a novel heat pump product which is energy-saving and environment-friendly and has market prospect. At present, a heat pump steam unit released in the market provides negative pressure steam, or hot water flash evaporation made by a heat pump by a steam compressor is needed to be steam, or negative pressure steam is pressurized to positive pressure steam by the steam compressor, and some steam can be made by configuring electric assistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-temperature steam water source heat pump unit.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-temperature steam water source heat pump unit comprises a refrigerant system, a water supplementing device and a steam pipeline, wherein the refrigerant system comprises a compressor, an overheat heat exchanger, a condenser, a liquid storage device, an expansion valve and an evaporator, the compressor is connected with the evaporator through a pipeline, one end of the evaporator is sequentially connected with the expansion valve and the liquid storage device through pipelines, the other end of the compressor is sequentially connected with the overheat heat exchanger and the condenser through pipelines, the water supplementing device comprises a water supplementing tank, a water tank ball float valve, a water supplementing pipe, a water supplementing pump, an electromagnetic valve, a water level control tank, a water inlet pipe and a pressure balance pipe, the water supplementing pump, the electromagnetic valve and the water level control tank are sequentially connected through the water supplementing pipe, the other end of the water level control tank is connected with the condenser through the water inlet pipe, the top end of the water level control tank is provided with the pressure balance pipe connected with a steam exhaust pipe of the condenser, the steam pipeline comprises a condenser, a steam exhaust pipe, an overheat heat exchanger and a steam outlet pipe, the overheat heat exchanger is connected with the condenser through the steam exhaust pipe, and the other end of the overheat heat exchanger is connected with the steam outlet pipe.

As a further description of the above technical solution:

the water level control tank and the water level parity check device of the condenser are arranged at the same horizontal height.

As a further description of the above technical solution:

and a water level ball float valve is arranged in the water level control tank.

As a further description of the above technical solution:

the condenser and the upper pressure in the water level control tank are consistent.

As a further description of the above technical solution:

the water replenishing pipe is provided with a water temperature sensor and a water pressure sensor.

As a further description of the above technical solution:

and the steam exhaust pipe is provided with a temperature sensor and a pressure sensor.

As a further description of the above technical solution:

the steam outlet pipe is provided with a steam temperature sensor, a steam pressure sensor and a steam regulating valve.

The utility model has the following beneficial effects:

the utility model has the advantages of simple installation, convenient operation, low maintenance cost, wide applicability, energy saving, environmental protection, safety and reliability, no need of additional electric auxiliary facilities and no need of configuring a vapor compressor. Unattended operation: the liquid level control is stable, according to outlet pressure automatic control steam discharge, keeps steam supply stable continuous system noise low, does not influence other equipment normal work during operation, finally, this device can effectively solve risks such as current technology energy consumption height, operation unstability, polluted environment and food, and does not receive environmental condition's influence, has very big spreading value.

Drawings

FIG. 1 is a schematic diagram of a high temperature steam water source heat pump unit according to the present invention.

Illustration of the drawings:

1. an evaporator; 2. a compressor; 3. an superheating heat exchanger; 4. a condenser; 5. a steam pressure sensor; 6. a steam temperature sensor; 7. a steam regulating valve; 8. a water replenishing tank; 9. a water tank ball cock; 10. a water replenishing pipe; 11. a water replenishing pump; 12. an electromagnetic valve; 13. a water temperature sensor; 14. a water pressure sensor; 15. a water level control tank; 16. a water inlet pipe; 17. a water level float valve; 18. A pressure balance tube; 19. a pressure sensor; 20. a temperature sensor; 21. a steam outlet pipe; 22. a steam exhaust pipe; 23. a reservoir; 24. a stop valve; 25. drying the filter; 26. a liquid viewing lens; 27. an expansion valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1, the present invention provides an embodiment: a high-temperature steam water source heat pump unit is characterized in that a refrigerant side of an evaporator 1 sucks heat in waste water from a heat source side, the heat enters a compressor 2 through a steam suction port of the compressor 2 to be compressed and do work, high-temperature high-pressure steam is discharged into an overheating heat exchanger 3 from a steam discharge port, the heat is released to a steam side, the refrigerant which is subjected to heat exchange by the overheating heat exchanger 3 enters a condenser 4 to continuously release the heat into the condenser 4, the refrigerant after the heat is released enters a liquid storage device 23 from an outlet of the condenser 4 and then enters the evaporator 1 after throttling by an expansion valve 27, a stop valve 24, a drying filter 25 and a liquid viewing mirror 26 are arranged on a pipeline between the evaporator 1 and the liquid storage device 23, and then the flow of liquid in the pipeline is controlled, so that the reverse Carnot circulation of a refrigerant system is completed in cycles. A water tank ball float valve 9 is arranged in a water supply tank 8 of the water supply device, an external water source enters the water tank through a connector of the water tank ball float valve 9 to ensure the water level of the water supply tank 8, a water supply pump 11 sends water into a water level control tank 15 from the water supply tank 8, a water level ball float valve 17 is arranged in the water level control tank 15 to ensure that the water level in the water level control tank 15 does not exceed the upper limit, a steam exhaust pipe 22 of a condenser 4 and the upper part of the water level control tank 15 are connected with a pressure balance pipe 18, the condenser 4 is communicated with the water level control tank 15 through a water inlet pipe 16, the device is used for ensuring that the water level in the condenser 4 is consistent with the water level in the water level control tank 15, so that the water level in the condenser 4 can be always kept in a reasonable range, the upper part of the condenser 4 has enough steam space, and the saturated steam is ensured to be discharged from the condenser 4. Saturated steam enters the superheated heat exchanger 3 from the condenser 4 through the condenser exhaust pipe 22, continues absorbing heat, heats the saturated steam into superheated steam, and is discharged to an application occasion through the steam outlet pipe 21 after the steam pressure reaches the set pressure of the steam regulating valve 7. The water replenishing pipe of the water replenishing device is provided with an electromagnetic valve 12, and the electromagnetic valve 12 is in a closed state when the compressor 2 stops working. The water replenishing pipe 10 of the water replenishing device is provided with a water temperature sensor 13 and a water pressure sensor 14; a condenser exhaust pipe 22 of the steam pipeline is provided with a temperature sensor 20 and a pressure sensor 19, and a steam outlet pipe is provided with a steam temperature sensor 6 and a steam pressure sensor 5; the steam outlet pipe of the steam pipeline is provided with a steam regulating valve 7, and when the outlet of the overheat heat exchanger 3 reaches the set pressure, the steam regulating valve 7 is opened. The water replenishing pipe 10 and the temperature sensor 20 and the pressure sensor 19 of the exhaust pipe of the condenser do not participate in control and are only used for judging the running state of the system; the pressure that steam pressure sensor 5 of steam exhaust pipe 21 detected is used for controlling steam control valve 7, and is safe environmental protection, and control system convenient operation is simple, need not artifical on duty.

The working principle is as follows: the industrial waste water or other waste heat is recycled, an electric heater is not required to be additionally adopted as auxiliary heating equipment, the heat of the exhaust section of the compressor 2 is recycled by the overheating heat exchanger 3, the steam which is generated by the condenser 4 and is higher than about 100 ℃ is further heated to the overheating steam with the maximum temperature of 120 ℃, the process does not need to additionally adopt the steam compressor as power, and the device is safe, environment-friendly and energy-saving.

Finally, it should be noted that: 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 utility model.

Claims

1. The utility model provides a high temperature steam water source heat pump set which characterized in that: the system comprises a refrigerant system, a water supplementing device and a steam pipeline, wherein the refrigerant system comprises a compressor (2), an overheat heat exchanger (3), a condenser (4), a liquid storage device (23) and an evaporator (1), the compressor (2) is connected with the evaporator (1) through a pipeline, one end of the evaporator (1) is sequentially connected with an expansion valve (27) and the liquid storage device (23) through a pipeline, the other end of the compressor (2) is sequentially connected with the overheat heat exchanger (3) and the condenser (4) through pipelines, the water supplementing device comprises a water supplementing tank (8), a water tank ball float valve (9), a water supplementing pipe (10), a water supplementing pump (11), an electromagnetic valve (12), a water level control tank (15), a water inlet pipe (16) and a pressure balance pipe (18), the water supplementing tank (8) sequentially connects the water supplementing pump (11), the electromagnetic valve (12) and the water level control tank (15) through the water supplementing pipe (10), the other end of water level control jar (15) passes through inlet tube (16) and links to each other with condenser (4), water level control jar (15) top is provided with exhaust pipe (22) that pressure balance pipe (18) and condenser (4) link to each other, steam conduit includes condenser (4), exhaust pipe (22), superheated heat exchanger (3) and goes out steam pipe (21), superheated heat exchanger (3) are through exhaust pipe (22) connection condenser (4), the other end and the play steam pipe (21) of superheated heat exchanger (3) link to each other.

2. The high-temperature steam water source heat pump unit according to claim 1, characterized in that: the water level control tank (15) and the water level coordinators of the condenser (4) are arranged at the same horizontal height.

3. The high-temperature steam water source heat pump unit according to claim 1, characterized in that: a water level ball float valve (17) is arranged in the water level control tank (15).

4. The high-temperature steam water source heat pump unit according to claim 1, characterized in that: the condenser (4) and the water level control tank (15) have the same upper pressure.

5. The high-temperature steam water source heat pump unit of claim 1, wherein: the water replenishing pipe (10) is provided with a water temperature sensor (13) and a water pressure sensor (14).

6. The high-temperature steam water source heat pump unit according to claim 1, characterized in that: and a temperature sensor (20) and a pressure sensor (19) are arranged on the steam exhaust pipe (22).

7. The high-temperature steam water source heat pump unit of claim 1, wherein: the steam outlet pipe (21) is provided with a steam temperature sensor (6), a steam pressure sensor (5) and a steam regulating valve (7).