Indirect heat pump reevaporation device
By using an indirect heat pump re-evaporation device, the temperature and pressure of the refrigerant vapor are increased by the heat pump unit, achieving isolation from the compressor. This solves the problems of complexity and high maintenance costs of existing heat pump systems, and achieves continuous heating and evaporation effects.
Patent Information
- Application Number
- CN202520451709.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing heat pump systems cannot achieve complete isolation from the compressor during the heating/evaporation process, resulting in complex systems and high maintenance costs.
An indirect heat pump re-evaporation device is adopted, in which the heat pump unit absorbs the secondary steam heat energy of the material heating and evaporation through the refrigerant and vaporizes it. The heat pump unit performs work to increase the temperature and pressure of the refrigerant steam, achieving complete isolation from the compressor, and releasing heat through the condenser for continuous heating of the material.
Complete isolation from the compressor is achieved, reducing system complexity and maintenance costs, while enabling continuous heating and evaporation processes.
Smart Images
Figure CN223954418U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heat pump technical field, concretely is a kind of indirect heat pump re-evaporation device. BACKGROUND
[0002] Traditional heating, evaporation system usually adopts direct heating or indirect heating mode, but these methods exist high energy consumption, low efficiency, equipment complex and other problems, heat pump technology as a kind of high-efficiency energy-saving technology, has been applied in multiple fields, however, the existing heat pump system often cannot realize complete isolation with compressor in heating / evaporation process, leading to complex system and high maintenance cost, for this purpose, we propose a kind of indirect heat pump re-evaporation device. CONTENT OF UTILITY MODEL
[0003] For the above situation, to overcome the defects of prior art, the utility model provides a kind of indirect heat pump re-evaporation device, effectively solve the above problems.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of indirect heat pump re-evaporation device, including evaporator, heat pump unit, cooler and condenser, the evaporator includes evaporation chamber and heater, the upper side of the evaporation chamber is connected with condenser, the upper side of the heater is connected with condenser, the lower side of the condenser is connected with cooler, the upper and lower sides of the heat pump unit are connected with condenser and heater respectively.
[0005] Preferably, the heat pump unit includes heat exchanger, liquid accumulator, compressor and oil separator, the right side of the evaporator is connected with liquid accumulator, the left side of the liquid accumulator is connected with condenser, the left side of the condenser is connected with oil separator, the right side of the oil separator is connected with compressor, the lower side of the compressor is connected with evaporator.
[0006] Preferably, the right side of the compressor is provided with sight glass, the right side of the sight glass is provided with first filter, the right side of the first filter is connected with evaporator.
[0007] Preferably, the right side of the liquid accumulator is provided with dry filter, the right side of the dry filter is connected with compressor.
[0008] Preferably, the heat pump unit further includes thermal expansion valve, the right side of the evaporator is connected with thermal expansion valve, the right side of the thermal expansion valve is provided with liquid pipe solenoid valve.
[0009] Preferably, the right side of the compressor is provided with DTC liquid injection valve.
[0010] Compared with prior art, the utility model has the beneficial effects that:
[0011] 1. The heat pump unit absorbs the heat energy of the secondary steam and gasifies the material by the refrigerant, and the temperature of the heat pump refrigerant steam is raised by the work of the heat pump unit to achieve the purpose of continuously heating the material as a heat source, thereby realizing complete isolation from the compressor and continuous heating and evaporation.
[0012] 2. The heat pump unit absorbs the heat energy of the secondary steam and gasifies the material by the refrigerant, and the temperature of the heat pump refrigerant steam is raised by the work of the heat pump unit to achieve the purpose of continuously heating the material as a heat source, thereby realizing complete isolation from the compressor and continuous heating and evaporation.
[0013] 3. The heat pump unit is used to compress the heat pump refrigerant steam to raise its temperature and pressure, the evaporator and heater are used to heat / evaporate the material to produce secondary steam, the condenser is used to condense the heat pump refrigerant steam into liquid to release heat, and the thermal expansion valve is used to adjust the flow and pressure of the heat pump refrigerant. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application.
[0015] In the drawings:
[0016] Fig. 1 The structure of the indirect heat pump re-evaporation device of the present application is shown in the figure.
[0017] Fig. 2 The structure of the heat pump unit of the present application is shown in the figure.
[0018] In the figure: 100, evaporator; 110, evaporation chamber; 120, heater; 300, heat pump unit; 301, heat exchanger; 310, liquid reservoir; 311, dry filter; 320, compressor; 321, sight glass; 322, first filter; 330, oil separator; 340, thermal expansion valve; 350, liquid pipe electromagnetic valve; 360, DTC liquid injection valve; 400, cooler; 500, condenser. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0020] Please refer to Figs. 1-2 The indirect heat pump re-evaporation device comprises an evaporator 100, a heat pump unit 300, a cooler 400 and a condenser 500, the evaporator 100 comprises an evaporation chamber 110 and a heater 120, the upper side of the evaporation chamber 110 is connected with the condenser 500, the upper side of the heater 120 is connected with the condenser 500, the lower side of the condenser 500 is connected with the cooler 400, the upper and lower sides of the heat pump unit 300 are respectively connected with the condenser 500 and the heater 120, the heat pump unit 300 is arranged to compress heat pump refrigerant steam, so as to improve the temperature and pressure of the heat pump refrigerant steam, the evaporator 100 and the heater 120 are used for material heating / evaporation, so as to generate secondary steam, the condenser 500 is used for condensing the heat pump refrigerant steam into liquid, so as to release heat, and the thermal expansion valve 340 is used for adjusting the flow and pressure of the heat pump refrigerant.
[0021] The heat pump unit 300 comprises a heat exchanger 301, a liquid accumulator 310, a compressor 320 and an oil separator 330. The heat exchanger 301 is used for heat exchange between the heat pump refrigerant and the secondary steam. The right side of the evaporator 100 is connected to the liquid accumulator 310. The left side of the liquid accumulator 310 is connected to the condenser 500. The left side of the condenser 500 is connected to the oil separator 330. The right side of the oil separator 330 is connected to the compressor 320. The lower side of the compressor 320 is connected to the evaporator 100. The material is heated and evaporated in the evaporator 100 and the heater 120 to generate secondary steam. The secondary steam enters the heat exchanger 301 and exchanges heat with the heat pump unit 300 refrigerant. The heat pump unit 300 refrigerant absorbs the heat energy of the secondary steam and vaporizes. The vaporized heat pump unit 300 refrigerant enters the heat pump compressor 320 and is compressed and the temperature and pressure are increased. The right side of the compressor 320 is provided with a DTC liquid injection valve 360 to control the injection flow of the compressor 320. The high-temperature and high-pressure heat pump refrigerant vapor enters the condenser 500, releases heat and condenses into liquid. The condensed heat pump refrigerant liquid passes through the thermal expansion valve 340 to adjust the flow and pressure, and then enters the heat exchanger 301 again to complete the cycle. The heat released by the condenser 500 is used to continuously heat the material to realize continuous heating and evaporation. The right side of the compressor 320 is provided with a sight glass 321. The right side of the sight glass 321 is provided with a first filter 322. The right side of the first filter 322 is connected to the evaporator 100. The sight glass 321 is used for the staff to observe the liquid flow in the device. The first filter 322 is used for filtering impurities in the liquid. The right side of the liquid accumulator 310 is provided with a drying filter 311. The right side of the drying filter 311 is connected to the compressor 320. The heat pump unit 300 further comprises a thermal expansion valve 340. The right side of the thermal expansion valve 340 is provided with a liquid pipe electromagnetic valve 350. The liquid pipe electromagnetic valve 350 is used to control the opening and closing of the liquid pipe. The heat pump unit 300 refrigerant absorbs the heat energy of the secondary steam generated by heating and evaporation of the material and vaporizes. The heat pump unit 300 works to increase the temperature of the heat pump refrigerant vapor to serve as a heat source to continuously heat the material, thereby realizing complete isolation from the compressor 320 and realizing continuous heating and evaporation.
Claims
1. An indirect heat pump re-evaporation apparatus, characterized by: Including evaporator (100), heat pump unit (300), cooler (400) and condenser (500), the evaporator (100) includes evaporation chamber (110) and heater (120), the upper side of the evaporation chamber (110) is connected with condenser (500), the upper side of the heater (120) is connected with condenser (500), the lower side of the condenser (500) is connected with cooler (400), the upper and lower sides of the heat pump unit (300) are connected with condenser (500) and heater (120) respectively.
2. An indirect heat pump re-evaporation device according to claim 1, characterized in that: The heat pump unit (300) includes heat exchanger (301), liquid accumulator (310), compressor (320) and oil separator (330), the right side of the evaporator (100) is connected with liquid accumulator (310), the left side of the liquid accumulator (310) is connected with condenser (500), the left side of the condenser (500) is connected with oil separator (330), the right side of the oil separator (330) is connected with compressor (320), and the lower side of the compressor (320) is connected with evaporator (100).
3. An indirect heat pump re-evaporation device according to claim 2, characterised in that: The right side of the compressor (320) is provided with a sight glass (321), the right side of the sight glass (321) is provided with a first filter (322), and the right side of the first filter (322) is connected with the evaporator (100).
4. An indirect heat pump re-evaporation device according to claim 2, characterized in that: The right side of the liquid accumulator (310) is provided with a drying filter (311), and the right side of the drying filter (311) is connected with the compressor (320).
5. An indirect heat pump re-evaporation device according to claim 1, characterized in that: The heat pump unit (300) further comprises a thermal expansion valve (340), and the right side of the evaporator (100) is connected with the thermal expansion valve (340), and the right side of the thermal expansion valve (340) is provided with a liquid pipe electromagnetic valve (350).
6. An indirect heat pump re-evaporation device according to claim 2, characterized in that: The right side of the compressor (320) is provided with a DTC liquid injection valve (360).