CN218511220U - Circulating system with powerful enthalpy-increasing effect - Google Patents
Circulating system with powerful enthalpy-increasing effect Download PDFInfo
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- CN218511220U CN218511220U CN202222698967.4U CN202222698967U CN218511220U CN 218511220 U CN218511220 U CN 218511220U CN 202222698967 U CN202222698967 U CN 202222698967U CN 218511220 U CN218511220 U CN 218511220U
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Abstract
The utility model discloses a circulation system with powerful enthalpy increasing effect, circulation system includes: the system comprises a compressor, a first condenser, a first economizer, a first throttling valve and an evaporator; the exhaust port of the compressor, the first condenser, the first economizer, the first throttle valve, the evaporator and the air suction port of the compressor are sequentially connected to form a main loop for transmitting the refrigerant; the circulation system further includes: the second throttle valve, the second economizer, the enthalpy-increasing compressor and the second condenser; the outlet of the first economizer, the second throttle valve, the second economizer, the enthalpy-increasing compressor, the second condenser and the exhaust port of the compressor are sequentially connected to form a secondary loop for reducing the temperature of the exhaust port of the compressor. The utility model discloses utilize the hydrojet to increase the enthalpy technique, spout the discharge capacity decision of compressor exhaust port department refrigerant by increasing the enthalpy compressor, the enthalpy compressor that increases of the suitable discharge capacity of apolegamy, waste heat after can the make full use of condensation improves the efficiency and the operating range of compressor.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to circulation system with powerful enthalpy increasing effect.
Background
The compressor is widely applied to the fields of air conditioners, refrigeration, heat pumps and the like, and a refrigeration or heating system can meet the following conditions:
1) When the scroll compressor operates in a low ambient temperature or a high load working condition, the problems of low refrigerating capacity and heating capacity and high compression exhaust temperature often occur.
2) In a refrigeration and heating system which is operated normally, the temperature of a liquid refrigerant after being subcooled by a condenser is far higher than the evaporation temperature, and a large amount of surplus heat is not utilized and is lost.
For the conditions described in the background above where the exhaust temperature is high, or where the residual heat is not fully utilized, the mainstream solution in the industry is to utilize enhanced vapor injection technology. The enhanced vapor injection utilizes the condensed refrigerant, and the throttled medium-pressure refrigerant exchanges heat with the condensed refrigerant through an economizer and is injected into a vortex medium-pressure cavity after throttling. Since the injected refrigerant is throttled, the pressure does not exceed the discharge pressure, while the volume of the swirling intermediate pressure chamber is fixed, the mass of refrigerant injected into the intermediate pressure chamber is limited. The enhanced vapor injection technique is limited in the reduction of exhaust gas temperature and the utilization of waste heat.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a circulation system with powerful enthalpy-increasing effect.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model discloses a circulation system with powerful enthalpy increasing effect, include: the system comprises a compressor, a first condenser, a first economizer, a first throttling valve and an evaporator;
the exhaust port of the compressor, the first condenser, the first economizer, the first throttling valve, the evaporator and the air suction port of the compressor are sequentially connected to form a main loop for transmitting the refrigerant;
further comprising: the second throttle valve, the second economizer, the enthalpy-increasing compressor and the second condenser;
the outlet of the first economizer, the second throttle valve, the second economizer, the enthalpy-increasing compressor, the second condenser and the exhaust port of the compressor are sequentially connected to form a secondary loop for reducing the temperature of the exhaust port of the compressor;
or the outlet of the first condenser, the second throttle valve, the second economizer, the enthalpy-increasing compressor, the second condenser and the exhaust port of the compressor are sequentially connected to form a secondary loop for reducing the temperature of the exhaust port of the compressor.
On the basis of the technical scheme, the following improvements can be made:
preferably, the first condenser and the second condenser are two mutually isolated condensation parts of the same condensation device; or the first condenser and the second condenser are two condensing devices which are arranged independently.
Preferably, the first economizer and the second economizer are two heat exchange parts which are isolated from each other and are arranged in the same heat exchange device; or the first economizer and the second economizer are two heat exchange devices which are arranged independently.
Preferably, when the compressor is a piston compressor, the piston compressor includes: the piston is arranged in the cylinder body;
and the top cover is provided with a jet hole, the jet hole can be communicated with an exhaust port of the piston compressor, and the jet hole is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the piston compressor.
Preferably, when the compressor is a rotary compressor, the rotary compressor includes: the device comprises a base body, a rotor, a crankshaft, an air suction pipe and an air exhaust pipe;
and the spraying hole is formed in the base body, can be communicated with an exhaust port of the rotor compressor, and is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the rotor compressor.
Preferably, when the compressor is a scroll compressor, the scroll compressor includes: the vortex chamber is formed by the static vortex disc and the movable vortex disc;
an injection channel is formed in the fixed scroll plate, one end of the injection channel is communicated with the inner cavity of the shell, and the other end of the injection channel is communicated with the scroll cavity or the exhaust cavity;
the injection channel is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the screw compressor.
Preferably, the injection passage includes: a radial passage extending in a radial direction of the fixed scroll and an axial passage extending in an axial direction of the fixed scroll, a bore of the radial passage being larger than a bore of the axial passage.
Preferably, the radial passage is disposed adjacent the discharge port of the scroll compressor.
Preferably, when the compressor is a screw compressor, the screw compressor includes: the screw rod assembly is arranged in the shell;
and the shell is provided with a jet hole, the jet hole can be communicated with an exhaust port of the screw compressor, and the jet hole is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the screw compressor.
The utility model relates to a theory of operation of circulation system with powerful enthalpy increasing effect as follows:
the condensed refrigerant passes through a second throttling valve, the medium-pressure refrigerant throttled by the second throttling valve passes through a second economizer to exchange heat with the condensed refrigerant, the medium-pressure refrigerant gas after heat exchange is compressed by an enthalpy-increasing compressor, and the compressed high-pressure refrigerant gas is further cooled to high-pressure refrigerant liquid by a second condenser.
Finally, high pressure refrigerant liquid is injected into the compressor discharge port. The liquid refrigerant evaporates at the compressor discharge port, absorbing a large amount of heat, reducing the discharge temperature.
The utility model discloses utilize the hydrojet to increase the enthalpy technique, spout the discharge capacity decision of compressor exhaust port department refrigerant by increasing the enthalpy compressor, the enthalpy compressor that increases of the suitable discharge capacity of apolegamy, waste heat after can the make full use of condensation improves the efficiency and the operating range of compressor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a circulation system according to an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram of a circulation system according to an embodiment of the present invention.
Fig. 3 is a sectional view of a piston compressor according to an embodiment of the present invention.
Fig. 4 is a sectional view of a rotor compressor according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of a scroll compressor according to an embodiment of the present invention.
Fig. 6 is one of cross-sectional views of a fixed scroll according to an embodiment of the present invention.
Fig. 7 is a second cross-sectional view of the fixed scroll according to the embodiment of the present invention.
Fig. 8 is a sectional view of a screw compressor according to an embodiment of the present invention.
Wherein: 11-a first condenser, 12-a second condenser, 21-a first economizer, 22-a second economizer, 31-a first throttle valve, 32-a second throttle valve, 4-an evaporator, 5-an enthalpy-increasing compressor, 6-a compressor;
7-piston compressor, 70-exhaust port, 71-cylinder, 72-top cover, 73-piston, 74-jet hole, 75-suction valve, 76-exhaust valve;
8-rotor compressor, 80-exhaust port, 81-base, 82-rotor, 83-crankshaft, 84-suction pipe, 85-exhaust pipe, 86-injection hole, 87-exhaust valve, 88-sliding pin;
9-scroll compressor, 90-discharge port, 91-housing, 92-drive assembly, 93-fixed scroll, 94-orbiting scroll, 95-injection passage, 951-radial passage, 952-axial passage;
10-screw compressor, 100-gas outlet, 101-shell, 102-screw assembly, 103-jet orifice.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
The use of the ordinal terms "first," "second," "third," etc., to describe a common object merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
Additionally, the expression "comprising" an element is an "open" expression that merely indicates the presence of a corresponding component or step and should not be interpreted as excluding additional components or steps.
In order to achieve the object of the present invention, in some embodiments of a circulation system with a powerful enthalpy-increasing effect, as shown in fig. 1, the circulation system comprises: a compressor 6, a first condenser 11, a first economizer 21, a first throttle valve 31, an evaporator 4; the discharge port of the compressor 6, the first condenser 11, the first economizer 21, the first throttle valve 31, the evaporator 4, and the suction port of the compressor 6 are connected in this order to form a main circuit for refrigerant transport.
Further, the circulation system further includes: a second throttle valve 32, a second economizer 22, an enthalpy-increasing compressor 5, a second condenser 12; the outlet of the first economizer 21, the second throttle valve 32, the second economizer 22, the enthalpy-increasing compressor 5, the second condenser 12, and the discharge port of the compressor are connected in sequence to form a secondary circuit for reducing the temperature of the discharge port of the compressor.
The utility model relates to a working principle of circulation system with powerful enthalpy increasing effect is as follows:
the condensed refrigerant passes through the second throttle valve 32, the medium-pressure refrigerant throttled by the second throttle valve 32 passes through the second economizer 22 to exchange heat with the condensed refrigerant, the medium-pressure refrigerant gas after heat exchange is compressed by the enthalpy-increasing compressor 5, and the compressed high-pressure refrigerant gas is further cooled to high-pressure refrigerant liquid (the liquid temperature is basically equal to the supercooled liquid temperature condensed by the main loop) by the second condenser 12.
Finally, high pressure refrigerant liquid at high pressure is injected into the compressor discharge. The liquid refrigerant evaporates at the compressor discharge port, absorbing a large amount of heat, reducing the discharge temperature.
In other embodiments, as shown in fig. 2, the outlet of the first condenser 11, the second throttle valve 32, the second economizer 22, the enthalpy-increasing compressor 5, the second condenser 12, and the discharge port of the compressor 6 are connected in series to form a secondary circuit for reducing the temperature of the discharge port of the compressor.
In this embodiment, a second throttle valve 32 is installed on a connection pipe between the outlet of the first condenser and the inlet of the second economizer 22 to perform throttling.
In order to further optimize the effectiveness of the present invention, in other embodiments, the rest of the features are the same, except that the first condenser 11 and the second condenser 12 are two mutually isolated condensation portions of the same condensation device.
Of course, in other embodiments, the first condenser 11 and the second condenser 12 may be two condensing devices independently disposed from each other.
In order to further optimize the effect of the present invention, in other embodiments, the rest of the features are the same, except that the first economizer 21 and the second economizer 22 are two heat exchange parts of the same heat exchange device, which are isolated from each other.
Of course, in other embodiments, the first economizer 21 and the second economizer 22 are two heat exchange devices provided independently of each other.
Several specific embodiments are described below.
The first embodiment is as follows:
as shown in fig. 3, when the compressor 6 is a piston compressor 7, the piston compressor 7 includes: a cylinder 71, a head cover 72, and a piston 73 provided in the cylinder 71;
the top cover 72 is provided with a spray hole 74, the spray hole 74 can be communicated with the piston compressor exhaust port 70, and the spray hole 74 is used for guiding the liquid refrigerant output by the second condenser 12 to the piston compressor exhaust port.
An intake valve 75 is provided at an intake port of the piston compressor, and an exhaust valve 76 is provided at an exhaust port of the piston compressor.
A top cover 72 of the piston compressor is provided with injection holes 74 for injecting high pressure refrigerant into the high pressure chamber.
The second embodiment:
as shown in fig. 4, when the compressor 6 is a rotary compressor 8, the rotary compressor 8 includes: base 81, rotor 82, crankshaft 83, intake pipe 84, exhaust pipe 85;
an injection hole 86 is formed in the base 81, the injection hole 86 being capable of communicating with the rotor compressor discharge port 80, the injection hole 86 being for introducing the liquid refrigerant output from the second condenser 12 to the rotor compressor discharge port 80.
Further, a discharge valve 87 is provided at the rotor compressor discharge port 80.
Further, the rotary compressor 8 further includes a slide pin 88.
The base 81 is provided with a jet hole 86, and the high-pressure refrigerant is directly jetted into an exhaust passage of the rotor compressor, so that the effects of reducing the temperature and increasing the mass flow are achieved.
Example three:
as shown in fig. 5 and 6, when the compressor 6 is a scroll compressor 9, the scroll compressor 9 includes: the scroll compressor comprises a shell 91, a driving assembly 92, a fixed scroll 93 and a movable scroll 94, wherein the driving assembly 92, the fixed scroll 93 and the movable scroll 94 are arranged in the shell 91;
an injection channel 95 is formed in the fixed scroll 93, one end of the injection channel 95 is communicated with the inner cavity of the shell 91, and the other end of the injection channel 95 is communicated with the scroll cavity;
the injection channel 95 is used to direct the liquid refrigerant output from the second condenser 12 to the screw compressor discharge.
The injection passage 95 includes: a radial passage 951 extending in a radial direction of the fixed scroll 93, and an axial passage 952 extending in an axial direction of the fixed scroll 93, the bore diameter of the radial passage 951 being larger than the bore diameter of the axial passage 952.
An injection channel 95 is formed in the fixed scroll 93, and high-pressure refrigerant is directly injected into an exhaust channel of the scroll compressor, so that the effects of reducing temperature and increasing mass flow are achieved.
Example four:
as shown in fig. 7, the fourth embodiment is substantially the same as the third embodiment except that one end of the injection passage 95 communicates with the inner cavity of the housing 91 and the other end communicates with the exhaust cavity.
Example five:
as shown in fig. 8, when the compressor 6 is a screw compressor 10, the screw compressor 10 includes: a housing 101 and a screw assembly 102 disposed within the housing 101;
an injection hole 103 is formed in the shell 101, the injection hole 103 can be communicated with the screw compressor exhaust port 100, and the injection hole 103 is used for guiding the liquid refrigerant output by the second condenser 12 to the screw compressor exhaust port 100.
The shell 101 is provided with an injection hole 103, and a high-pressure refrigerant is directly injected to an exhaust port of the screw compressor, so that the effects of reducing temperature and increasing mass flow are achieved.
The utility model discloses utilize the hydrojet to increase the enthalpy technique, spout the discharge capacity decision of compressor exhaust port department refrigerant by increasing enthalpy compressor 5, the enthalpy compressor 5 that increases of the suitable discharge capacity of apolegamy, waste heat after can the make full use of condensation improves the efficiency and the operating range of compressor.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.
The utility model discloses a control mode is controlled through artifical start-up and closing switch, and the wiring diagram of power component and the providing of power belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and wiring in detail and arrange.
Claims (9)
1. A circulatory system having a potent enthalpy-increasing effect, comprising: the system comprises a compressor, a first condenser, a first economizer, a first throttling valve and an evaporator;
an exhaust port of the compressor, the first condenser, the first economizer, the first throttling valve, the evaporator and an air suction port of the compressor are sequentially connected to form a main loop for transmitting a refrigerant;
it is characterized by also comprising: the second throttle valve, the second economizer, the enthalpy-increasing compressor and the second condenser;
the outlet of the first economizer, the second throttle valve, the second economizer, the enthalpy-increasing compressor, the second condenser and the exhaust port of the compressor are sequentially connected to form a secondary loop for reducing the temperature of the exhaust port of the compressor;
or the outlet of the first condenser, the second throttle valve, the second economizer, the enthalpy-increasing compressor, the second condenser and the exhaust port of the compressor are sequentially connected to form a secondary loop for reducing the temperature of the exhaust port of the compressor.
2. The circulation system of claim 1, wherein the first condenser and the second condenser are two mutually isolated condensation sections of the same condensation device; or the first condenser and the second condenser are two mutually independently arranged condensing devices.
3. The circulation system of claim 1, wherein the first economizer and the second economizer are two heat exchange sections of the same heat exchange device that are isolated from each other; or the first economizer and the second economizer are two heat exchange devices which are arranged independently.
4. A cycle system according to any one of claims 1 to 3, wherein when the compressor is a piston compressor, the piston compressor comprises: the piston is arranged in the cylinder body;
and the top cover is provided with a jet hole, the jet hole can be communicated with an exhaust port of the piston compressor, and the jet hole is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the piston compressor.
5. A cycle system according to any one of claims 1 to 3, wherein when the compressor is a rotary compressor, the rotary compressor comprises: the device comprises a base body, a rotor, a crankshaft, an air suction pipe and an air exhaust pipe;
and the base body is provided with a jet hole, the jet hole can be communicated with an exhaust port of the rotor compressor, and the jet hole is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the rotor compressor.
6. The circulation system of any one of claims 1-3, wherein when the compressor is a scroll compressor, the scroll compressor comprises: the vortex chamber comprises a shell, a driving assembly, a fixed vortex disc and a movable vortex disc, wherein the driving assembly, the fixed vortex disc and the movable vortex disc are arranged in the shell;
an injection channel is formed in the fixed scroll plate, one end of the injection channel is communicated with the inner cavity of the shell, and the other end of the injection channel is communicated with the scroll cavity or the exhaust cavity;
the injection channel is used for guiding the liquid refrigerant output by the second condenser to the exhaust port of the screw compressor.
7. The circulation system of claim 6, wherein the injection channel comprises: the fixed scroll comprises a radial channel extending along the radial direction of the fixed scroll and an axial channel extending along the axial direction of the fixed scroll, and the caliber of the radial channel is larger than that of the axial channel.
8. The circulation system of claim 7, wherein the radial passage is disposed proximate the scroll compressor discharge port.
9. A cycle system according to any one of claims 1 to 3, wherein when the compressor is a screw compressor, the screw compressor comprises: the screw rod assembly is arranged in the shell;
the shell is provided with a jet hole, the jet hole can be communicated with an exhaust port of the screw compressor, and the jet hole is used for leading the liquid refrigerant output by the second condenser to the exhaust port of the screw compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698967.4U CN218511220U (en) | 2022-10-13 | 2022-10-13 | Circulating system with powerful enthalpy-increasing effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698967.4U CN218511220U (en) | 2022-10-13 | 2022-10-13 | Circulating system with powerful enthalpy-increasing effect |
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| Publication Number | Publication Date |
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| CN218511220U true CN218511220U (en) | 2023-02-21 |
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| CN202222698967.4U Active CN218511220U (en) | 2022-10-13 | 2022-10-13 | Circulating system with powerful enthalpy-increasing effect |
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| CN (1) | CN218511220U (en) |
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