CN217357624U

CN217357624U - Absorption type refrigerating system

Info

Publication number: CN217357624U
Application number: CN202221190947.XU
Authority: CN
Inventors: 丁结良; 陈义龙
Original assignee: Guangdong Kepler Communication Technology Co ltd
Current assignee: Guangdong Kepler Communication Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-09-02
Anticipated expiration: 2032-05-18

Abstract

An absorption refrigeration system comprising: an input tank and a refrigeration assembly; the input tank is provided with a waste heat channel which is communicated with the inside and the outside; a solution interlayer is arranged in the input tank around the outer edge of the waste heat channel; the input end of the waste heat channel is used for inputting a heat medium, and the output end of the waste heat channel is communicated with the input end of the generating device; the output end of the solution interlayer is communicated with the generating device through a pipeline; the generating device, the condensing device, the throttling device, the evaporating device and the absorbing device are communicated in sequence along the conveying direction of the fluid; the generating device is provided with a mixed output end at the liquid phase position; the mixed output end is also communicated with the input end of the absorption device; the output end of the absorption device is communicated with the input end of the generation device. This scheme provides an absorptive refrigerating system, and it can export waste heat to generating device through the input jar to preheat the solution in the solution interlayer through waste heat, but solution intensification can make the solution that finally carries to generating device evaporate fast, with the consumption that reduces waste heat.

Description

Absorption type refrigerating system

Technical Field

The utility model relates to a refrigerating system technical field especially relates to an absorption-type refrigerating system.

Background

When the existing absorption refrigeration system is used, waste heat is used for refrigeration, and after high-temperature lithium bromide and low-temperature and low-pressure water vapor are mixed into a lithium bromide solution in an absorption device, the temperature of the lithium bromide solution is reduced, and the lithium bromide solution needs to flow back to a generating device again for heating and pressurizing; the lithium bromide in the system needs to be supplemented in a proper amount after being used for a long time, but the temperature reduction range of the generating device is too large due to the addition of the normal-temperature lithium bromide, and the lithium bromide solution needs to be heated again, so that the time of the lithium bromide solution in the generating device is long, and the refrigerating efficiency is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an absorptive refrigerating system, it can export used heat to generating device through the input jar to solution in the solution interlayer preheats through used heat.

To achieve the purpose, the utility model adopts the following technical proposal:

an absorption refrigeration system comprising: an input tank and a refrigeration assembly;

the refrigeration assembly includes: the device comprises a generating device, a condensing device, a throttling device, an evaporating device and an absorbing device;

the input tank is provided with a waste heat channel which is communicated with the inside and the outside; a solution interlayer is arranged in the input tank around the outer edge of the waste heat channel; the input end of the waste heat channel is used for inputting a heat medium, and the output end of the waste heat channel is communicated with the input end of the generating device; the output end of the solution interlayer is communicated with the generating device through a pipeline;

the generating device, the condensing device, the throttling device, the evaporating device and the absorbing device are communicated in sequence along the conveying direction of the fluid; the generating device is provided with a mixed output end at the liquid phase position; the mixing output end is also communicated with the input end of the absorption device; the output end of the absorption device is communicated with the input end of the generation device.

Preferably, the input tank is provided with a plurality of waste heat input ends, the waste heat input ends being arranged in line along the length direction of the input tank.

Preferably, one end of the input tank is further provided with the waste heat input end, and the other end of the input tank is provided with the waste heat output end.

Preferably, the outer side wall of the input tank is provided with a heat-insulating interlayer; the heat-insulating interlayer is filled with heat-insulating materials.

Preferably, the bottom of the solution interlayer is communicated with the generating device through a solution pipe.

More preferably, the solution pipe is provided with a solution solenoid valve.

Preferably, the method further comprises the following steps: a flow meter;

the flow meters are arranged at the output end of the absorption device and the mixing output end; the flow meter is in communication connection with the solution solenoid valve.

The utility model provides a technical scheme can include following beneficial effect:

this scheme provides an absorptive refrigerating system, and it can export waste heat to generating device through the input jar to preheat the solution in the solution interlayer through waste heat, but solution intensification can make the solution that finally carries to generating device evaporate fast, with the consumption that reduces waste heat.

Drawings

FIG. 1 is a schematic block diagram of one embodiment of a refrigeration system;

FIG. 2 is a schematic diagram of the structure of one embodiment of an input canister.

Wherein:

an input tank 1 and a refrigeration component 2; a solution solenoid valve 3; a solution pipe 4; a flow meter 5;

a generator 21, a condenser 22, a throttle device 23, an evaporator 24, and an absorber 25;

the system comprises a waste heat channel 11, a solution interlayer 12, a waste heat input end 13, a waste heat output end 14 and a heat preservation interlayer 15; a hybrid output 211.

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 some, not all, of the embodiments of the present invention. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 the 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The technical scheme of the scheme is further explained by the specific implementation mode in combination with the attached drawings.

An absorption refrigeration system comprising: an input tank 1 and a refrigeration component 2;

the refrigeration assembly 2 comprises: a generating device 21, a condensing device 22, a throttling device 23, an evaporating device 24 and an absorbing device 25;

the input tank 1 is provided with a waste heat channel 11 which is communicated with the inside and the outside; a solution interlayer 12 is arranged in the input tank 1 around the outer edge of the waste heat channel 11; the input end of the waste heat channel 11 is used for inputting a heat medium, and the output end of the waste heat channel 11 is communicated with the input end of the generating device 21; the output end of the solution interlayer 12 is communicated with the generating device 21 through a pipeline;

the generating device 21, the condensing device 22, the throttling device 23, the evaporating device 24 and the absorbing device 25 are communicated in sequence along the conveying direction of the fluid; the generating device 21 is provided with a mixing output end 211 at the liquid phase position; the mixing output end 211 is also communicated with the input end of the absorption device 25; the output end of the absorption device 25 is communicated with the input end of the generation device 21.

The scheme provides an absorption refrigeration system, waste heat can be output to a generating device 21 through an input tank 1, a solution in a solution interlayer 12 is preheated through the waste heat, and the solution can be rapidly evaporated by heating the solution finally conveyed to the generating device 21 so as to reduce consumption of the waste heat.

Specifically, the waste heat channel 11 of the input tank 1 can be used for outputting waste heat, that is, the input end of the input tank 1 is communicated with a mechanism for generating waste heat in a factory, and a heat medium with fluidity passes through the waste heat channel 11, so that the waste heat is brought into the input tank 1; when the waste heat passes through the waste heat channel 11, the waste heat preheats the solution interlayer 12, so that the temperature of the solution in the solution interlayer 12 is raised; when the solution needs to be supplemented in the refrigeration system, the solution is preheated by waste heat of the hot medium in advance and is directly output to the generating device 21, so that the phenomenon that the temperature in the generating device 21 is too large in reduction range can be avoided, the waste heat is fully utilized, and the utilization rate of the waste heat is improved. Wherein, the scheme is an absorption refrigeration system, generally, the solution of the generating device 21 is a lithium bromide solution; the solution in the solution interlayer 12 is a lithium bromide solution, and can be used for replenishing the lithium bromide solution to the generating device 21. Generally, after the heat medium containing the waste heat is output to the generator 21, the lithium bromide solution in the generator 21 is heated to vaporize water in the lithium bromide solution, thereby forming high-pressure and high-temperature water vapor; the water vapor is output to a condensing device 22, the condensing device 22 condenses the water vapor to form high-pressure medium-temperature water, and the water vapor is output to a throttling device 23; the water expands when passing through the throttling device 23 to form low-pressure medium-temperature liquid; the water is vaporized after entering the evaporation device 24, the heat of the evaporation device 24 is taken away, low-temperature and low-pressure water vapor is formed, and the temperature of the evaporation device 24 is further reduced; the water vapor enters the absorption device 25 again, the generation device 21 is provided with a mixing output end 211 at the liquid phase position, the pure lithium bromide can be output to the absorption device 25, and the water vapor is contacted with the lithium bromide and is mixed with the lithium bromide to be heated; the lithium bromide solution is then delivered to the generator 21, forming a refrigeration circuit of the cycle.

Preferably, the input tank 1 is provided with a plurality of waste heat input ends 13, and the waste heat input ends 13 are arranged along the length direction of the input tank 1.

When the waste heat input ends 13 are arranged in sequence, waste heat can be input into the input tank 1 at approximately the same temperature, so that the temperature of the waste heat is kept consistent when the waste heat input ends 13 are input into the input tank 1, the temperature of each position of the input tank 1 in the length direction is approximate, the consumption of the waste heat is reduced, and the solution in the solution interlayer 12 is heated more uniformly.

Preferably, one end of the input tank 1 is further provided with the waste heat input end 13, and the other end of the input tank 1 is provided with a waste heat output end 14.

The waste heat input end 13 at one end of the input tank 1 inputs waste heat and then flows to the waste heat output end 14 at the other end, so that the heat medium output by the waste heat input end 13 along the length direction is driven to flow, and the fluidity of the heat medium is improved.

Preferably, the outer side wall of the input tank 1 is provided with a heat-insulating interlayer 15; the heat-insulating interlayer 15 is filled with heat-insulating materials.

The heat insulation material is positioned on the outer side of the solution interlayer 12, and can surround the solution interlayer 12 through the heat insulation material, so that heat loss can be effectively avoided, and the airtightness of the solution interlayer 12 is improved.

Preferably, the bottom of the solution interlayer 12 is communicated with the generating device 21 through a solution pipe 4.

The bottom of the solution interlayer 12 is communicated with the solution pipe 4, the solution pipe 4 can output solution, the solution can be output to the generating device 21 under the action of gravity, other external force is not needed, and the cost required by driving is saved.

More preferably, the solution pipe 4 is provided with a solution solenoid valve 3.

The solution solenoid valve 3 can control the output state of the solution pipe 4, and when the solution needs to be supplemented to the generating device 21, the solution solenoid valve 3 only needs to be opened, so that the solution can be output to the generating device 21, and the effect of automatically supplementing the solution is further realized.

Further optimally, the method also comprises the following steps: a flow meter 5;

the flow meter 5 is arranged at the output end of the absorption device 25 and the mixing output end 211; the flow meter 5 is communicatively connected to the solution solenoid valve 3.

The flowmeter 5 is in communication connection with the solution electromagnetic valve 3, and the solution electromagnetic valve 3 can be opened and closed according to the actual condition of the flowmeter 5; a flow meter 5 positioned at the output end of the absorption device 25 and used for detecting the flow rate of the solution output by the absorption device 25, namely the lithium bromide solution; a flow meter 5 at the mixing output 211 for sensing the output flow of relatively pure solute, such as lithium bromide, from the generating means 21.

The technical principle of the present solution is described above with reference to specific embodiments. These descriptions are only used to explain the principles of the present solution and should not be interpreted in any way as limiting the scope of the present solution. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present solution without any inventive effort, which would fall within the scope of the present solution.

Claims

1. An absorption refrigeration system, comprising: an input tank and a refrigeration assembly;

2. An absorption refrigeration system according to claim 1 wherein said input tank is provided with a plurality of waste heat inputs, said waste heat inputs being aligned along the length of the input tank.

3. An absorption refrigeration system according to claim 2 wherein said input tank is further provided with said waste heat input at one end and a waste heat output at the other end.

4. The absorption refrigeration system according to claim 1 wherein the outer sidewall of said input tank is provided with a thermal insulation interlayer; the heat-insulating interlayer is filled with heat-insulating materials.

5. An absorption refrigeration system as set forth in claim 1 wherein the bottom of said solution jacket is connected to said generator by a solution line.

6. An absorption refrigeration system according to claim 5 wherein said solution conduit is provided with a solution solenoid valve.

7. An absorption refrigeration system according to claim 6 further comprising: a flow meter;