CN212538367U - Modular plate type double-evaporator water source heat pump unit with two-position two-way - Google Patents
Modular plate type double-evaporator water source heat pump unit with two-position two-way Download PDFInfo
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- CN212538367U CN212538367U CN202021685009.8U CN202021685009U CN212538367U CN 212538367 U CN212538367 U CN 212538367U CN 202021685009 U CN202021685009 U CN 202021685009U CN 212538367 U CN212538367 U CN 212538367U
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Abstract
The utility model provides a modular plate type double-evaporator water source heat pump unit with two-position two-way, wherein an evaporator I is connected with an evaporator II in series; the evaporator I and the evaporator II, the compressor, the condenser, the filter, the liquid storage tank, the evaporator I and the evaporator II are sequentially connected to form a cycle, and an expansion valve is further arranged on the supply pipeline; and a third auxiliary pipeline and a fourth auxiliary pipeline are also arranged between the supply pipeline and the third refrigerant pipeline. The beneficial effects are as follows: the modularized plate type double-evaporator water source heat pump unit with the two-position two-way valve can fully recover waste water waste heat resources with higher temperature, and the two-way electric valve is arranged, so that the system is controlled more conveniently and rapidly.
Description
Technical Field
The utility model relates to a waste heat utilization field especially indicates a board-like double evaporation water source heat pump set of modularization with two-way.
Background
The waste heat resources generated in production and life are not fully utilized all the time in the rapid development stage of the country. With the increasing requirements of the country on environmental protection in recent years, the technology for recovering waste heat resources in waste water, waste gas and the like is more and more emphasized by enterprises and public institutions. At present, the utilization of waste water waste heat resources is mainly based on a heat pump technology of a shell-and-tube heat exchanger, and heat in waste heat resources is extracted through forced heat exchange of a heat pump unit on a waste heat source. According to relevant standards, the heat pump unit basically reduces the waste water waste heat resource of about 15 degrees to 7 degrees in the use scene. When an enterprise has a high-temperature heat source, the heat cannot be fully recovered, and a large amount of resources are wasted.
Some enterprises recover high-temperature heat sources by serially connecting a plurality of heat pump units, but the working conditions of the heat pump units serially connected in the way are different, and when one of the heat pump units fails, the recovery efficiency of the subsequent heat pump unit is greatly reduced.
The disadvantages are that: 1. the existing heat pump unit shell-and-tube heat exchanger can not meet various heat requirements aiming at different seasons and different regions;
2. the whole set of unit is installed in a centralized way, which is not beneficial to maintenance, cleaning and replacement;
3. the cold and hot demands can be changed without any change.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art, provide a board-like double evaporation ware water source heat pump set of modularization with two-way.
The technical scheme of the utility model is realized like this:
the utility model provides a board-like two evaporimeter water source heat pump set of modularization with two bi-pass, includes: the system comprises a condenser, a compressor, a first evaporator and a second evaporator, wherein the condenser is provided with a preheated water inlet, a preheated water outlet, a high-pressure refrigerant inlet and a high-pressure refrigerant outlet;
the first evaporator and the second evaporator are respectively provided with a heat source water outlet, a heat source water inlet, a refrigerant outlet and a refrigerant inlet, and the heat source water outlet on the first evaporator is connected with the heat source water inlet on the second evaporator; the refrigerant outlets of the first evaporator and the second evaporator are connected with the inlet of the compressor through a refrigerant pipeline I, and the outlet of the compressor is connected with the high-pressure refrigerant inlet through a refrigerant pipeline II;
the high-pressure refrigerant outlet is connected with a filter through a refrigerant pipeline III, an electric valve III is further arranged on the refrigerant pipeline III, the filter is further connected with a liquid storage tank, the liquid storage tank is connected with the refrigerant inlets on the first evaporator and the second evaporator through a supply pipeline, and an expansion valve is further arranged on the supply pipeline;
an electric valve seventh and an electric valve first are respectively arranged on the refrigerant pipeline I and the refrigerant pipeline II, and an auxiliary pipeline I and an auxiliary pipeline II are also arranged between the refrigerant pipeline I and the refrigerant pipeline II;
an electric valve five is arranged on the supply pipeline at the rear section of the expansion valve, and an auxiliary pipeline three and an auxiliary pipeline four are also arranged between the supply pipeline and the refrigerant pipeline three.
Furthermore, two ends of the first auxiliary pipeline are connected between the first refrigerant pipeline at the rear part of the electric valve seven and the second refrigerant pipeline at the front part of the first electric valve, and the first auxiliary pipeline is also provided with a second electric valve; two ends of the secondary pipeline are connected between the first refrigerant pipeline at the front part of the electric valve seven and the second refrigerant pipeline at the rear part of the electric valve one, and an electric valve eight is further arranged on the secondary pipeline one.
Furthermore, two ends of the third auxiliary pipeline are connected to the third refrigerant pipeline at the rear of the third electric valve and the supply pipeline at the rear of the fifth electric valve respectively, two ends of the fourth auxiliary pipeline are connected to the third refrigerant pipeline at the front of the third electric valve and the supply pipeline at the front of the fifth electric valve respectively, and the third auxiliary pipeline and the fourth auxiliary pipeline are provided with a fourth electric valve and a sixth electric valve respectively.
The utility model has the advantages that:
1. inside the modularized machine set, all parts are respectively and fixedly installed and are independent from each other, and the reserved space is convenient for technicians to independently overhaul the parts;
2. technicians can disassemble and replace the problem parts without disassembling the whole set of unit, so that the overhauling efficiency is greatly improved, and the labor intensity of the workers is reduced;
3. the modular plate type double-evaporator water source heat pump unit with the two-position two-way valve can fully recover waste water and waste heat resources with higher temperature, and the two-way electric valve is arranged, so that the system is controlled more conveniently and quickly;
4. if the modularized plate type double-evaporator water source heat pump unit with the two-position tee joint is applied to a building central air conditioning system, the flow direction of a refrigerant in the system can be controlled through an electric valve in a refrigerant pipeline, the effect of supplying heat in summer and winter is achieved, and different requirements of users on cold and heat resources are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in FIG. 1, a modular plate type double-evaporator water source heat pump unit with two-position two-way structure comprises: the system comprises a condenser 1, a compressor 2, a first evaporator 3 and a second evaporator 4, wherein the condenser 1 is provided with a preheated water inlet 9, a preheated water outlet 8, a high-pressure refrigerant inlet 7 and a high-pressure refrigerant outlet 15;
the first evaporator 3 and the second evaporator 4 are respectively provided with a heat source water outlet 11, a heat source water inlet 12, a refrigerant outlet 14 and a refrigerant inlet 13, and the heat source water outlet 11 on the first evaporator 3 is connected with the heat source water inlet 12 on the second evaporator 4; refrigerant outlets 14 on the first evaporator 3 and the second evaporator 4 are connected with an inlet of the compressor 2 through a refrigerant pipeline I25, and an outlet of the compressor 2 is connected with a high-pressure refrigerant inlet 7 through a refrigerant pipeline II 26;
the high-pressure refrigerant outlet 15 is connected with the filter 5 through a refrigerant pipeline III 27, an electric valve III 19 is further arranged on the refrigerant pipeline III 27, the filter 5 is further connected with a liquid storage tank 6, the liquid storage tank 6 is connected with the refrigerant inlets 13 on the first evaporator 3 and the second evaporator 4 through a supply pipeline 28, and an expansion valve 10 is further arranged on the supply pipeline 28;
an electric valve seventh 23 and an electric valve first 17 are respectively arranged on the refrigerant pipeline first 25 and the refrigerant pipeline second 26, an auxiliary pipeline first 29 and an auxiliary pipeline second 30 are also arranged between the refrigerant pipeline first 25 and the refrigerant pipeline second 26, two ends of the auxiliary pipeline first 29 are connected between the refrigerant pipeline first 25 at the rear part of the electric valve seventh 23 and the refrigerant pipeline second 26 at the front part of the electric valve first 17, and an electric valve second 18 is also arranged on the auxiliary pipeline first 29; two ends of the secondary pipeline two 30 are connected between a first refrigerant pipeline 25 at the front part of the electric valve seven 23 and a second refrigerant pipeline 26 at the rear part of the electric valve one 17, and an electric valve eight 24 is further arranged on the secondary pipeline one 29.
The rear supply pipeline 28 of the expansion valve 10 is provided with an electric valve five 21, an auxiliary pipeline three 31 and an auxiliary pipeline four 32 are further arranged between the supply pipeline 28 and the refrigerant pipeline three 27, two ends of the auxiliary pipeline three 31 are respectively connected to the refrigerant pipeline three 27 at the rear part of the electric valve three 19 and the supply pipeline 28 at the rear part of the electric valve five 21, two ends of the auxiliary pipeline four 32 are respectively connected to the refrigerant pipeline at the front part of the electric valve three 19 and the supply pipeline 28 at the front part of the electric valve five 21, and the auxiliary pipeline three 31 and the auxiliary pipeline four 32 are respectively provided with an electric valve four 20 and an electric valve six 22.
The working process of the device is as follows:
the condenser 1, the first evaporator 3 and the second evaporator 4 are heat exchange equipment, when an electric valve I17, an electric valve III 19, an electric valve V21 and an electric valve VII 23 are opened, and an electric valve II 18, an electric valve IV 20, an electric valve VI 22 and an electric valve VIII 24 are closed, a refrigerant pipeline I25, a refrigerant pipeline II 26, a refrigerant pipeline III 27 and a supply pipeline 28 are in a passage state, heat source water enters the second evaporator 4 from a heat source water inlet 12, the heat source water and the refrigerant exchange heat in the second evaporator 4, and the heat source water after the exchange enters the first evaporator 3 for secondary exchange and flows out from a hot water source water outlet; after heat exchange, the refrigerant absorbs heat and evaporates; the refrigerant which is compressed by the compressor 2 and changed into high-temperature refrigerant releases heat in the condenser 1 to exchange heat with the preheated water, the cooled refrigerant enters the liquid storage tank 6 through the filter 5, and the refrigerant in the liquid storage tank 6 enters the first evaporator 3 and the second evaporator 4 again through the expansion valve 10 and exchanges heat with the water in the evaporators again.
When the electric valve II 18, the electric valve IV 20, the electric valve VI 22 and the electric valve VIII 24 are opened, the electric valve I17, the electric valve III 19, the electric valve V21 and the electric valve VII 23 are closed, the first auxiliary pipeline 29, the second auxiliary pipeline 30, the third auxiliary pipeline 31 and the fourth auxiliary pipeline 32 are in a passage state, the evaporator and the condenser 1 exchange functions, the refrigerant in the condenser 1 is subjected to heat exchange, the temperature is increased, and the refrigerant enters the first evaporator 3 and the second evaporator 4 through the fourth auxiliary pipeline 32, the expansion valve 10, the liquid storage tank 6, the filter 5, the third auxiliary pipeline 31 and the supply pipeline 28, the temperature of the refrigerant is reduced after heat exchange is carried out in the first evaporator 3 and the second evaporator 4, the temperature of heat source water in the evaporators is increased, the refrigerant enters the compressor 2 from the refrigerant outlet 14 through a part of the refrigerant pipeline and then through the first auxiliary pipeline 29, and the refrigerant enters the condenser 1 again through the second auxiliary pipeline 30 after being compressed by the compressor 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a board-like double evaporator water source heat pump set of modularization with two bi-pass which characterized in that includes: the system comprises a condenser, a compressor, a first evaporator and a second evaporator, wherein the condenser is provided with a preheated water inlet, a preheated water outlet, a high-pressure refrigerant inlet and a high-pressure refrigerant outlet;
the first evaporator and the second evaporator are respectively provided with a heat source water outlet, a heat source water inlet, a refrigerant outlet and a refrigerant inlet, and the heat source water outlet on the first evaporator is connected with the heat source water inlet on the second evaporator; the refrigerant outlets of the first evaporator and the second evaporator are connected with the inlet of the compressor through a refrigerant pipeline I, and the outlet of the compressor is connected with the high-pressure refrigerant inlet through a refrigerant pipeline II;
the high-pressure refrigerant outlet is connected with a filter through a refrigerant pipeline III, an electric valve III is further arranged on the refrigerant pipeline III, the filter is further connected with a liquid storage tank, the liquid storage tank is connected with the refrigerant inlets on the first evaporator and the second evaporator through a supply pipeline, and an expansion valve is further arranged on the supply pipeline;
an electric valve seventh and an electric valve first are respectively arranged on the refrigerant pipeline I and the refrigerant pipeline II, and an auxiliary pipeline I and an auxiliary pipeline II are also arranged between the refrigerant pipeline I and the refrigerant pipeline II;
an electric valve five is arranged on the supply pipeline at the rear section of the expansion valve, and an auxiliary pipeline three and an auxiliary pipeline four are also arranged between the supply pipeline and the refrigerant pipeline three.
2. The modular plate type double-evaporator water source heat pump unit with two-position two-way as claimed in claim 1, characterized in that: two ends of the first auxiliary pipeline are connected between the first refrigerant pipeline at the rear part of the electric valve seven and the second refrigerant pipeline at the front part of the first electric valve, and the first auxiliary pipeline is also provided with a second electric valve; two ends of the secondary pipeline are connected between the first refrigerant pipeline at the front part of the electric valve seven and the second refrigerant pipeline at the rear part of the electric valve one, and an electric valve eight is further arranged on the secondary pipeline one.
3. The modular plate type double-evaporator water source heat pump unit with two-position two-way as claimed in claim 1, characterized in that: two ends of the auxiliary pipeline III are respectively connected to the refrigerant pipeline III at the rear part of the electric valve III and the supply pipeline at the rear part of the electric valve V, two ends of the auxiliary pipeline IV are respectively connected to the refrigerant pipeline III at the front part of the electric valve III and the supply pipeline at the front part of the electric valve V, and the auxiliary pipeline III and the auxiliary pipeline IV are respectively provided with an electric valve IV and an electric valve VI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021685009.8U CN212538367U (en) | 2020-08-13 | 2020-08-13 | Modular plate type double-evaporator water source heat pump unit with two-position two-way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021685009.8U CN212538367U (en) | 2020-08-13 | 2020-08-13 | Modular plate type double-evaporator water source heat pump unit with two-position two-way |
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| Publication Number | Publication Date |
|---|---|
| CN212538367U true CN212538367U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021685009.8U Active CN212538367U (en) | 2020-08-13 | 2020-08-13 | Modular plate type double-evaporator water source heat pump unit with two-position two-way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212538367U (en) |
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2020
- 2020-08-13 CN CN202021685009.8U patent/CN212538367U/en active Active
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