CN214841780U

CN214841780U - Adsorption type refrigerating unit and refrigerating equipment

Info

Publication number: CN214841780U
Application number: CN202121047594.3U
Authority: CN
Inventors: 张植丰; 张梓贤; 杨铭基; 何岱容; 柳金亮
Original assignee: Guangdong Shenling Commercial Air Conditioning Equipment Co ltd
Current assignee: Guangdong Shenling Commercial Air Conditioning Equipment Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-23
Anticipated expiration: 2031-05-17

Abstract

The utility model belongs to the technical field of refrigeration plant, an adsorption type refrigerating unit and refrigeration plant are disclosed, the adsorption type refrigerating unit comprises vinasse, an adsorption type refrigerating assembly and a heat exchanger, the vinasse is used for providing a heat source, the adsorption type refrigerating assembly is used for executing the action of adsorption type refrigeration, one end of the heat exchanger is connected with the vinasse through a pipeline, the other end of the heat exchanger is respectively guided to a domestic water area and the adsorption type refrigerating assembly through two pipelines, cooling water flows through the heat exchanger, and the heat exchanger can realize the heat exchange between the vinasse and the cooling water; the refrigeration equipment comprises the adsorption refrigeration unit. Lees is as the heat source, need not to use a large amount of heat transfer boards, compact structure to temperature fluctuation is little, and the heat supply is stable, and the cooling water after the heating can also regard as life hot water moreover, has satisfied user's diversified demand, and then uses above-mentioned adsorption refrigeration plant's refrigeration plant energy-concerving and environment-protective.

Description

Adsorption type refrigerating unit and refrigerating equipment

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to an absorption formula refrigerating unit and refrigeration plant.

Background

With the gradual highlighting of the problem of energy shortage, the energy-saving refrigeration mode begins to replace the traditional voltage compression refrigeration mode, and the adsorption refrigeration is one of the energy-saving refrigeration modes and has been widely researched and applied. In the prior art, the adsorption refrigeration units all use flue gas waste heat or solar energy as a heat source, but on one hand, when the solar energy is used as the heat source, the adsorption refrigeration units are greatly influenced by weather and need more heat exchange plates, so that the occupied area of the adsorption refrigeration units is large; on the other hand, when the recovered flue gas waste heat is used as a heat source, the recovery difficulty is high, the flue gas heat transfer capacity is low, and the temperature fluctuation of the heat source is large.

Based on the above situation, it is necessary to design an adsorption type refrigeration unit and a refrigeration device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the adsorption type refrigerating unit uses vinasse as a heat source, is compact in structure and can stably supply heat.

The utility model discloses another aim at: the refrigeration equipment comprises the adsorption type refrigerating unit, and is energy-saving and environment-friendly.

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

in one aspect, an adsorption chiller unit is disclosed comprising:

vinasse for providing a heat source;

the adsorption type refrigeration component is used for executing adsorption type refrigeration action;

one end of the heat exchanger is connected with the vinasse through a pipeline, the other end of the heat exchanger is connected with the adsorption refrigeration assembly through two pipelines which are respectively guided to the domestic water area, cooling water flows in the heat exchanger, and the heat exchanger can realize heat exchange between the vinasse and the cooling water.

As a preferable scheme, the adsorption refrigeration assembly comprises a first adsorption bed, a first pipeline, a second pipeline, an opening and closing valve, a condenser and an evaporator, one end of the first adsorption bed is communicated with the heat exchanger, the other end of the first adsorption bed is communicated with the condenser through the first pipeline, the other end of the first adsorption bed is communicated with the evaporator through the second pipeline, and the opening and closing valve is respectively arranged on the first pipeline and the second pipeline.

As a preferable scheme, the adsorption type refrigerating unit further comprises a cooling water supply source, and one end of the cooling water supply source is communicated with the heat exchanger through the pipeline; the adsorption refrigeration assembly further comprises a second adsorption bed, a third pipeline and a fourth pipeline, the second adsorption bed is communicated with the other end of the cooling water supply source through the pipeline, the second adsorption bed is communicated with the condenser through the third pipeline, the fourth pipeline is communicated with the evaporator, and the opening and closing valve is arranged on the third pipeline and the fourth pipeline respectively.

As a preferred scheme, adsorption refrigeration subassembly still includes the reservoir, the condenser with the evaporimeter passes through the reservoir intercommunication.

Preferably, an expansion valve is disposed between the liquid reservoir and the evaporator.

Preferably, the on-off valve is arranged between the liquid storage device and the condenser.

As a preferable scheme, the heat exchanger is a shell-and-tube heat exchanger, the shell-and-tube heat exchanger is provided with a first heat exchange area and a second heat exchange area, the first heat exchange area and the second heat exchange area are separated by a tube wall, the first heat exchange area is communicated with the vinasse, and the second heat exchange area is communicated with the cooling water supply source.

As a preferred scheme, the output end of the heat exchanger is provided with a water storage tank, and the water storage tank is respectively guided to the domestic water area and the adsorption type refrigeration assembly through two pipelines.

On the other hand, the refrigeration equipment comprises the adsorption type refrigeration unit.

The utility model has the advantages that: the adsorption type refrigerating unit and the refrigerating equipment are provided, the adsorption type refrigerating unit uses the vinasse to provide a heat source for the heat exchanger, cooling water heated by the heat exchanger can be used as domestic hot water on one hand, diversified requirements of users are met, and the adsorption type refrigerating unit can be used as a heat source of the adsorption type refrigerating assembly on the other hand, a large number of heat exchange plates are not needed, so that the adsorption type refrigerating unit is compact in structure, the temperature fluctuation of the vinasse is small, and heat supply can be stabilized; the refrigeration equipment comprises the adsorption refrigeration unit, and is energy-saving and environment-friendly.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of an adsorption refrigeration unit according to an embodiment.

In fig. 1:

1. vinasse;

2. an adsorption refrigeration assembly; 21. a first adsorption bed; 221. a first pipeline; 222. a second pipeline; 223. a third pipeline; 224. a fourth pipeline; 23. opening and closing a valve; 24. a condenser; 25. an evaporator; 26. a second adsorption bed; 27. a reservoir; 28. an expansion valve;

3. a shell and tube heat exchanger;

4. a domestic water area;

5. a cooling water supply source;

6. a water storage tank.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides an adsorption refrigeration unit, which includes a distiller's grain 1, an adsorption refrigeration assembly 2, and a heat exchanger, where the distiller's grain 1 is used to provide a heat source; the adsorption type refrigeration component 2 is used for executing adsorption type refrigeration action; heat exchanger one end and lees 1 pass through the pipe connection, and the other end leads domestic water district 4 and absorption formula refrigeration subassembly 2 respectively through two pipelines, and the circulation has cooling water in the heat exchanger, and the heat exchanger can realize the heat transfer of lees 1 and cooling water. One end of the heat exchanger is connected with the vinasse 1 through a pipeline, and the other end of the heat exchanger is respectively communicated with the domestic water area 4 and the adsorption type refrigeration assembly 2 through two pipelines. During refrigeration, the vinasse 1 is used as a heat source, the heat exchanger exchanges heat between cooling water and the vinasse 1, and the heated cooling water can be used as domestic hot water on one hand, so that diversified requirements of users are met; on the other hand, can regard as the heat source of absorption refrigeration subassembly 2, make absorption refrigeration subassembly 2 realize the refrigerated action of absorption, lees 1 in this embodiment is as the heat source, has replaced flue gas waste heat and solar heat source among the prior art, and absorption refrigeration unit need not to use a large amount of heat transfer boards, compact structure, and lees 1's temperature fluctuation is little moreover, and the heat supply is stable.

Specifically, the adsorption refrigeration assembly 2 includes a first adsorption bed 21, a first pipeline 221, a second pipeline 222, an opening and closing valve 23, a condenser 24 and an evaporator 25, one end of the first adsorption bed 21 is communicated with the heat exchanger, the other end of the first adsorption bed is communicated with the condenser 24 through the first pipeline 221, and is communicated with the evaporator 25 through the second pipeline 222, and the opening and closing valve 23 is respectively arranged on the first pipeline 221 and the second pipeline 222. The first adsorption bed 21 can be a zeolite adsorption bed or a silica gel adsorption bed, when in refrigeration, the on-off valve 23 on the first pipeline 221 is firstly opened, the first adsorption bed 21 is heated and desorbed to release water vapor, the pressure of the water vapor in the adsorption refrigeration component 2 rises, and when the saturated pressure corresponding to the environment is reached, the water vapor is condensed in the condenser 24 to release latent heat; the heat exchanger stops providing the heat source, then the opening and closing valve 23 on the first pipeline 221 is closed, the opening and closing valve 23 on the second pipeline 222 is opened, the capacity of the first adsorption bed 21 for adsorbing water vapor is improved, the air pressure in the adsorption type refrigeration assembly 2 is reduced, the water in the evaporator 25 is evaporated to absorb heat, and adsorption refrigeration is realized.

As a preferred embodiment, the adsorption refrigeration unit further comprises a cooling water supply source 5, wherein one end of the cooling water supply source 5 is communicated with the heat exchanger through a pipeline; the adsorption type refrigeration assembly 2 further includes a second adsorption bed 26, a third pipeline 223 and a fourth pipeline 224, the second adsorption bed 26 is communicated with the other end of the cooling water supply source 5 through a pipeline, the second adsorption bed 26 is communicated with the condenser 24 through the third pipeline 223 and communicated with the evaporator 25 through the fourth pipeline 224, and the third pipeline 223 and the fourth pipeline 224 are respectively provided with an opening and closing valve 23. The cooling water supply source 5 supplements cooling water for the second adsorption bed 26, when refrigerating, the on-off valve 23 on the first pipeline 221 and the fourth pipeline 224 is firstly opened, the first adsorption bed 21 is heated and desorbed to desorb water vapor, the pressure of the water vapor in the adsorption type refrigerating assembly 2 rises, when the saturated pressure corresponding to the environment is reached, the water vapor is condensed in the condenser 24 to release latent heat, the second adsorption bed 26 adsorbs the water vapor, the air pressure in the fourth pipeline 224 is reduced, and the water in the evaporator 25 evaporates and absorbs heat, so that the adsorption refrigeration is realized; then, the open-close valve 23 on the first pipeline 221 and the fourth pipeline 224 is closed, the open-close valve 23 on the second pipeline 222 and the third pipeline 223 is opened, the first adsorption bed 21 adsorbs water vapor, so that the air pressure in the second pipeline 222 is reduced, the water in the evaporator 25 evaporates and absorbs heat to realize adsorption refrigeration, the second adsorption bed 26 is heated and desorbed to desorb the water vapor, the water vapor pressure in the third pipeline 223 rises, and when the water vapor pressure reaches the saturation pressure corresponding to the environment, the water vapor is condensed in the condenser 24 to release latent heat, and the adsorption refrigeration unit realizes continuous refrigeration without interruption.

In this embodiment, the adsorption refrigeration assembly 2 further includes an accumulator 27, and the condenser 24 and the evaporator 25 are communicated through the accumulator 27. The arrangement of the liquid storage device 27 can realize the circulation of the refrigerant in the adsorption type refrigeration assembly 2, and resources are saved.

In the present embodiment, an expansion valve 28 is disposed between the liquid reservoir 27 and the evaporator 25, and the expansion valve 28 can throttle and reduce the pressure and regulate the flow of the refrigerant, so as to prevent the adsorption refrigeration assembly 2 from being overheated abnormally and damaging the components.

In a preferred embodiment, an on-off valve 23 is provided between the accumulator 27 and the condenser 24. The on-off valve 23 can control the on-off between the condenser 24 and the liquid accumulator 27, so that the adsorption type refrigeration assembly 2 can limit the random flow of the refrigerant in different states during continuous refrigeration, and the reliability is improved.

Specifically, the heat exchanger is a shell-and-tube heat exchanger 3, the shell-and-tube heat exchanger 3 is provided with a first heat exchange area and a second heat exchange area, the first heat exchange area and the second heat exchange area are separated by a tube wall, the first heat exchange area is communicated with the distiller's grains 1, and the second heat exchange area is communicated with the cooling water supply source 5. In the shell and tube heat exchanger 3, the vinasse 1 is used as a heat source of the first heat exchange zone to exchange heat with the cooling water in the second heat exchanger so as to heat the cooling water, and the structure is compact. In other embodiments of the present invention, the heat exchanger may be a fluid connection indirect heat exchanger, and the heat exchange function can be realized.

As a preferred embodiment, the output end of the heat exchanger is provided with a water storage tank 6, and the water storage tank 6 is respectively guided to the domestic water area 4 and the adsorption type refrigeration assembly 2 through two pipelines. The water storage tank 6 can store the heated cooling water to be used as a heat source or domestic hot water of the adsorption type refrigeration assembly 2, so that the instant use and taking are realized, the heat exchanger does not need to be repeatedly started and stopped along with the needs of users, and the heat waste is reduced.

The embodiment also provides refrigeration equipment which comprises the adsorption type refrigeration unit. The adsorption type refrigerating unit can use the vinasse 1 as a heat source to realize adsorption type refrigeration, and then the refrigerating equipment is energy-saving and environment-friendly.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. An adsorption refrigeration unit comprising:

vinasse (1) for providing a heat source;

an adsorption refrigeration assembly (2) for performing adsorption refrigeration;

the heat exchanger, one end with lees (1) pass through the pipe connection, and the other end passes through two the pipeline respectively lead domestic water district (4) with absorption formula refrigeration subassembly (2), the circulation has the cooling water in the heat exchanger, the heat exchanger can be realized lees (1) with the heat transfer of cooling water.

2. The adsorption refrigeration unit according to claim 1, wherein the adsorption refrigeration assembly (2) comprises a first adsorption bed (21), a first pipeline (221), a second pipeline (222), an opening and closing valve (23), a condenser (24) and an evaporator (25), one end of the first adsorption bed (21) is communicated with the heat exchanger, the other end of the first adsorption bed is communicated with the condenser (24) through the first pipeline (221), the other end of the first adsorption bed is communicated with the evaporator (25) through the second pipeline (222), and the opening and closing valve (23) is respectively arranged on the first pipeline (221) and the second pipeline (222).

3. The adsorption refrigeration unit according to claim 2 further comprising a cooling water supply (5), one end of the cooling water supply (5) being in communication with the heat exchanger through the conduit; the adsorption refrigeration assembly (2) further comprises a second adsorption bed (26), a third pipeline (223) and a fourth pipeline (224), the second adsorption bed (26) is communicated with the other end of the cooling water supply source (5) through the pipeline, the second adsorption bed (26) is communicated with the condenser (24) through the third pipeline (223) and communicated with the evaporator (25) through the fourth pipeline (224), and the opening and closing valve (23) is respectively arranged on the third pipeline (223) and the fourth pipeline (224).

4. The sorption refrigeration unit according to claim 2 or 3, wherein the sorption refrigeration assembly (2) further comprises an accumulator (27), the condenser (24) and the evaporator (25) being in communication through the accumulator (27).

5. The adsorption refrigeration unit of claim 4 wherein an expansion valve (28) is disposed between the accumulator (27) and the evaporator (25).

6. The adsorption refrigeration unit according to claim 4, wherein the on-off valve (23) is arranged between the accumulator (27) and the condenser (24).

7. The adsorption refrigeration unit according to claim 3, wherein the heat exchanger is provided as a shell and tube heat exchanger (3), the shell and tube heat exchanger (3) being provided with a first heat transfer zone and a second heat transfer zone, the first heat transfer zone and the second heat transfer zone being separated by a tube wall, the first heat transfer zone being in communication with the distiller's grains (1), the second heat transfer zone being in communication with the cooling water supply (5).

8. The adsorption refrigeration unit according to claim 1, characterized in that the output of the heat exchanger is provided with a water reservoir (6), and the water reservoir (6) is led to the domestic water area (4) and the adsorption refrigeration unit (2) through two pipelines.

9. Refrigeration device, characterized in that it comprises an adsorption refrigeration unit according to any one of claims 1 to 8.