CN211451435U - Overlapping system of ultra-high temperature 99 ℃ heat pump unit - Google Patents
Overlapping system of ultra-high temperature 99 ℃ heat pump unit Download PDFInfo
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- CN211451435U CN211451435U CN202020096389.5U CN202020096389U CN211451435U CN 211451435 U CN211451435 U CN 211451435U CN 202020096389 U CN202020096389 U CN 202020096389U CN 211451435 U CN211451435 U CN 211451435U
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- liquid storage
- compressor
- storage tank
- expansion valve
- heat exchanger
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Abstract
The utility model discloses a cascade system of ultra-high temperature 99 ℃ heat pump set, relates to an air source heat pump system, specifically includes refrigerating system, heat exchanger and heating system, refrigerating system mainly comprises evaporimeter, first compressor, second liquid storage pot and second expansion valve, evaporimeter and second expansion valve and second liquid storage pot fixed connection, second liquid storage pot and heat exchanger are connected, the evaporimeter is connected with first compressor, first compressor and heat exchanger intercommunication; the heating system comprises a second compressor, a condenser, a first liquid storage tank and a first expansion valve, the second compressor is connected with the heat exchanger, the second compressor is fixedly connected with the condenser, the condenser is connected with the first liquid storage tank, and the first liquid storage tank is connected with the heat exchanger through the first expansion valve. In the implementation process of the utility model, the low-environment temperature heating of the system is provided without attenuation; the utilization efficiency of energy in the system is greatly improved, and the practicability of the system is improved.
Description
Technical Field
The utility model relates to an air source heat pump system specifically is a superelevation 99 ℃ heat pump set's overlapping system.
Background
The heat pump is a high-efficiency energy-saving device which makes full use of low-grade heat energy. Heat can be transferred spontaneously from a high temperature object to a low temperature object, but cannot proceed spontaneously in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-grade heat energy which is difficult to apply to achieve the purpose of energy conservation.
The general heat pump has the heating capacity attenuation of 50% above 60 ℃, the energy efficiency is low, the economical efficiency is poor, and the use of the air source heat pump in winter in cold regions is limited. Therefore, a new technical solution should be provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultra-temperature 99 ℃ heat pump set's overlapping system 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:
a cascade system of an ultra-high temperature 99 ℃ heat pump unit comprises a refrigerating system, a heat exchanger and a heating system, wherein the refrigerating system mainly comprises an evaporator, a first compressor, a second liquid storage tank and a second expansion valve, the input end of the evaporator is connected with the output end of the second expansion valve through a pipe, the input end of the second expansion valve is fixedly connected with the output end of the second liquid storage tank, the input end of the second liquid storage tank is connected with one output end of the heat exchanger through a pipe, the output end of the evaporator is connected with the input end of the first compressor through a pipe, and the output end of the first compressor is communicated with one input end of the heat exchanger through a pipe;
the heating system comprises a second compressor, a condenser, a first liquid storage tank and a first expansion valve, wherein the input end of the second compressor is connected with the other output end of the heat exchanger through a guide pipe, the output end of the second compressor is connected with the input end of the condenser, the output end of the condenser is connected with the input end of the first liquid storage tank through a guide pipe, the output end of the first liquid storage tank is connected with the input end of the first expansion valve, and the output end of the first expansion valve is connected with the other input end of the heat exchanger through a guide pipe.
As a further aspect of the present invention: and a first one-way valve is arranged at the joint of the second expansion valve and the second liquid storage tank.
As a further aspect of the present invention: and a second one-way valve is arranged at the joint of the first expansion valve and the first liquid storage tank.
As a further aspect of the present invention: and valves are arranged on the guide pipes of the first compressor, the second compressor, the first liquid storage tank and the second liquid storage tank which are respectively connected with the heat exchanger.
As a further aspect of the present invention: the heat exchanger mainly by the shell, the insulating layer, connect, the go-between, a fixed cylinder, first spiral pipe and second spiral pipe constitute, the insulating layer has been seted up in the casing of shell, it is cotton to pack the glass in the insulating layer, there are first spiral pipe and the second spiral pipe of arranging side by side in the inside of shell through welded mode fixed mounting, the both ends of first spiral pipe and second spiral pipe communicate with the fixed cylinder of fixed mounting on the shell respectively, a fixed cylinder and shell integrated into one piece, the one end of a fixed cylinder stretches out the shell and rotates through bearing and go-between outward and be connected, the go-between rotates with the one end fixed connection who connects, connect and be equipped with the internal thread for tube-shape and section of.
Compared with the prior art, the beneficial effects of the utility model are that: in the implementation process of the utility model, the high-low temperature double-stage system overlapping compression technology is used to provide the system with low environmental temperature heating without attenuation; the utilization efficiency of energy in the system is greatly improved, and the practicability of the system is improved.
Drawings
Fig. 1 is a schematic structural diagram of a cascade system of an ultra-high temperature 99 ℃ heat pump unit.
Fig. 2 is a schematic structural diagram of a heat exchanger in a cascade system of an ultra-high temperature 99 ℃ heat pump unit.
As shown in the figure: the heat exchanger comprises an evaporator 1, a first compressor 2, a heat exchanger 3, a second compressor 4, a condenser 5, a first liquid storage tank 6, a first expansion valve 7, a second liquid storage tank 8, a second expansion valve 9, a shell 10, a heat insulation layer 11, a joint 12, a connecting ring 13, a fixed cylinder 14, a first spiral pipe 15 and a second spiral pipe 16.
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 creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, in an embodiment of the present invention, a cascade system of an ultra-high temperature 99 ℃ heat pump unit includes a refrigeration system, a heat exchanger 3 and a heating system, the refrigeration system mainly includes an evaporator 1, a first compressor 2, a second liquid storage tank 8 and a second expansion valve 9, an input end of the evaporator 1 is connected to an output end of the second expansion valve 9 through a conduit, an input end of the second expansion valve 9 is fixedly connected to an output end of the second liquid storage tank 8, a first check valve is disposed at a joint of the second expansion valve 9 and the second liquid storage tank 8, an input end of the second liquid storage tank 8 is connected to one output end of the heat exchanger 3 through a conduit, an output end of the evaporator 1 is connected to an input end of the first compressor 2 through a conduit, and an output end of the first compressor 2 is connected to one input end of the heat exchanger 3 through a;
the heating system comprises a second compressor 4, a condenser 5, a first liquid storage tank 6 and a first expansion valve 7, wherein the input end of the second compressor 4 is connected with the other output end of the heat exchanger 3 through a conduit, the output end of the second compressor 4 is connected with the input end of the condenser 5, the output end of the condenser 5 is connected with the input end of the first liquid storage tank 6 through a conduit, the output end of the first liquid storage tank 6 is connected with the input end of the first expansion valve 7, a second one-way valve is arranged at the joint of the first expansion valve 7 and the first liquid storage tank 6, the output end of the first expansion valve 7 is connected with the other input end of the heat exchanger 3 through a conduit, and valves are arranged on the conduits respectively connecting the first compressor 2, the second compressor 4, the first liquid storage tank 6 and the second liquid storage tank;
the heat exchanger 3 mainly comprises a shell 10, a heat insulation layer 11, a joint 12, a connecting ring 13, a fixed cylinder 14, a first spiral pipe 15 and a second spiral pipe 16, wherein the heat insulation layer 11 is arranged in the shell of the shell 10, glass wool is filled in the heat insulation layer 11, the first spiral pipe 15 and the second spiral pipe 16 which are arranged side by side are fixedly arranged in the shell 10 in a welding mode, two ends of the first spiral pipe 15 and the second spiral pipe 16 are respectively communicated with the fixed cylinder 14 fixedly arranged on the shell 10, the fixed cylinder 14 and the shell 10 are integrally formed, one end of the fixed cylinder 14 extends out of the shell 10 and is rotatably connected with the connecting ring 13 through a bearing, the connecting ring 13 is fixedly connected with one end of the joint 12, the joint 12 is cylindrical, inner threads are arranged in the cylinder wall, anti-skid threads are arranged on the outer wall of the joint 12, and are in threaded connection with an external conduit, when the heat exchanger 3 is damaged and needs to be replaced, only the valve on each conduit needs to be closed and the joint 12 needs to be rotated, so that the operation is simple and the use is convenient.
The utility model discloses a theory of operation is: the evaporator in the refrigerating system absorbs heat for refrigeration through the evaporation of the refrigerant, heat is brought into the heat exchanger under the action of evaporation to provide heat for the heating system, the refrigerant of the condenser in the heating system is liquefied for heat release, the heat is discharged for use through the condenser, and the heat released by the refrigerating system is absorbed from the heat exchanger.
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, and the following claims are therefore to be read in this light of the appended claims.
Claims (5)
1. The overlapping system of the ultra-high temperature 99 ℃ heat pump unit comprises a refrigerating system, a heat exchanger (3) and a heating system, and is characterized in that the refrigerating system mainly comprises an evaporator (1), a first compressor (2), a second liquid storage tank (8) and a second expansion valve (9), wherein the input end of the evaporator (1) is connected with the output end of the second expansion valve (9) through a pipe, the input end of the second expansion valve (9) is fixedly connected with the output end of the second liquid storage tank (8), the input end of the second liquid storage tank (8) is connected with one output end of the heat exchanger (3) through a pipe, the output end of the evaporator (1) is connected with the input end of the first compressor (2) through a pipe, and the output end of the first compressor (2) is communicated with one input end of the heat exchanger (3) through a pipe;
the heating system comprises a second compressor (4), a condenser (5), a first liquid storage tank (6) and a first expansion valve (7), wherein the input end of the second compressor (4) is connected with the other output end of the heat exchanger (3) through a conduit, the output end of the second compressor (4) is connected with the input end of the condenser (5), the output end of the condenser (5) is connected with the input end of the first liquid storage tank (6) through a conduit, the output end of the first liquid storage tank (6) is connected with the input end of the first expansion valve (7), and the output end of the first expansion valve (7) is connected with the other input end of the heat exchanger (3) through a conduit.
2. The overlapping system of the ultra-high temperature 99 ℃ heat pump unit according to claim 1, wherein a first one-way valve is arranged at the joint of the second expansion valve (9) and the second liquid storage tank (8).
3. The overlapping system of the ultra-high temperature 99 ℃ heat pump unit according to claim 1, wherein a second one-way valve is arranged at the joint of the first expansion valve (7) and the first liquid storage tank (6).
4. The overlapping system of the ultra-high temperature 99 ℃ heat pump unit according to claim 1, wherein valves are arranged on the conduits respectively connecting the first compressor (2), the second compressor (4), the first liquid storage tank (6) and the second liquid storage tank (8) with the heat exchanger (3).
5. The overlapping system of the ultra-high temperature 99 ℃ heat pump unit according to claim 1, characterized in that the heat exchanger (3) mainly comprises a shell (10), a heat-insulating layer (11), a joint (12), a connecting ring (13), a fixed cylinder (14), a first spiral pipe (15) and a second spiral pipe (16), the heat-insulating layer (11) is arranged in the shell of the shell (10), the heat-insulating layer (11) is filled with glass wool, the inside of the shell (10) is fixedly provided with the first spiral pipe (15) and the second spiral pipe (16) which are arranged side by side in a welding manner, two ends of the first spiral pipe (15) and the second spiral pipe (16) are respectively communicated with the fixed cylinder (14) fixedly arranged on the shell (10), the fixed cylinder (14) and the shell (10) are integrally formed, one end of the fixed cylinder (14) extends out of the shell (10) and is rotatably connected with the connecting ring (13) through a bearing, the connecting ring (13) is fixedly connected with one end of the joint (12), the joint (12) is cylindrical, internal threads are arranged in the cylinder wall, and anti-skid grains are arranged on the outer wall of the joint (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020096389.5U CN211451435U (en) | 2020-01-16 | 2020-01-16 | Overlapping system of ultra-high temperature 99 ℃ heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020096389.5U CN211451435U (en) | 2020-01-16 | 2020-01-16 | Overlapping system of ultra-high temperature 99 ℃ heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211451435U true CN211451435U (en) | 2020-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020096389.5U Expired - Fee Related CN211451435U (en) | 2020-01-16 | 2020-01-16 | Overlapping system of ultra-high temperature 99 ℃ heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211451435U (en) |
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2020
- 2020-01-16 CN CN202020096389.5U patent/CN211451435U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20220116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |