CN218210163U

CN218210163U - Heat exchange type ammonia refrigerating system with ammonia discharging structure

Info

Publication number: CN218210163U
Application number: CN202221820159.4U
Authority: CN
Inventors: 邱明; 顾文伟; 胡茂群
Original assignee: Guangdong Yongshun Thai Ningbo Malt Co ltd
Current assignee: Guangdong Yongshun Thai Ningbo Malt Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-03
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a heat transfer formula ammonia refrigerating system with ammonia extraction structure, including compressor, evaporation cold, distribution station, plate heat exchanger, the export of compressor pass through the pipeline and link to each other with the import of evaporation cold, the import of evaporation cold export through pipeline and high-pressure bucket link to each other, the import of high-pressure bucket through pipeline and distribution station link to each other, the export of distribution station pass through the pipeline and the heat transfer board import of plate heat exchanger and link to each other, the heat transfer board export of plate heat exchanger passes through the pipeline and links to each other with the import of compressor. The utility model has the characteristics of safe and reliable, energy-concerving and environment-protective, the transformation is with low costs, cooling rate is fast etc.

Description

Heat exchange type ammonia refrigerating system with ammonia discharging structure

Technical Field

The utility model relates to an ammonia refrigerating system technical field especially relates to a heat transfer formula ammonia refrigerating system with ammonia exhaust structure.

Background

At present, the ammonia water of conventional ammonia refrigerating system discharges and carries out the aqueous ammonia through the mode of electrical heating evaporation liquid ammonia and reserve the emission, lead to discharging slowly like this, simultaneously, because reasons such as system and equipment maintenance, ammonia liquid fills dress, ammonia liquid purity lead to among the ammonia refrigerating system refrigerant to have some moisture, water mixes with liquid ammonia in the refrigerating system, it is very easy to lead to the pipeline to have very strong corrosivity, the valve corrodes the leakage, cause incident such as ammonia leakage, in order to solve above-mentioned problem, need set up a refrigerating system with the ammonia discharge structure.

Disclosure of Invention

The utility model aims to solve the technical problem that a heat transfer formula ammonia refrigerating system with ammonia discharging structure is provided, have characteristics such as safe and reliable, energy-concerving and environment-protective, the transformation is with low costs, the cooling rate is fast.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a heat transfer formula ammonia refrigerating system with arrange ammonia structure, includes compressor, evaporation cold, distribution station, plate heat exchanger, the export of compressor pass through the pipeline and link to each other with the import of evaporation cold, the export of evaporation cold pass through the pipeline and link to each other with the import of high-pressure bucket, the export of high-pressure bucket pass through the pipeline and link to each other with the import of distribution station, the export of distribution station pass through the pipeline and link to each other with plate heat exchanger's heat transfer board import, plate heat exchanger's heat transfer board export passes through the pipeline and links to each other with the import of compressor.

The inlet of the plate heat exchanger is connected with the outlet of the water pump through a pipeline, the inlet of the water pump is connected with the water pool through a pipeline, and the outlet of the plate heat exchanger is connected with the cold water pool through a pipeline.

The lower end of a heat exchange plate cavity of the plate heat exchanger is provided with a discharge opening, the discharge opening is connected with an inlet of an oil collecting pipe through a pipeline, an outlet of the oil collecting pipe is connected with a water bucket, a first stop valve capable of being closed is arranged on the discharge opening of the plate heat exchanger, and an eleventh stop valve is arranged at an inlet of the oil collecting pipe.

Compressor, evaporation cold, high-pressure bucket, distribution station, plate heat exchanger form a circulation system for liquid ammonia can enter into plate heat exchanger in, is used for providing the energy with water cooling, simultaneously through the water pump, enters into plate heat exchanger with the water in pond in, plate heat exchanger cools off the water that the pond department got into, later cold water enters into the cold water pond, as the refrigeration source.

Discharge opening through setting up plate heat exchanger is used for remaining ammonia to be arranged into in the oil collecting pipe, then carries out wherein discharge, avoids water and liquid ammonia to combine to form corrosive liquids to lead to pipe-line system to take place to damage.

As a supplement to the technical scheme, a tenth stop valve and a ninth stop valve are respectively arranged at the inlet and the outlet of the compressor.

As a supplement to the technical scheme, an eighth stop valve and a seventh stop valve are respectively arranged at the inlet and the outlet of the evaporative cooling.

As a supplement to the technical scheme, a sixth stop valve and a fifth stop valve are respectively arranged at the inlet and the outlet of the high-pressure barrel.

As a complement to the present solution, the inlet and the outlet of the distribution station are respectively provided with a fourth stop valve and a third stop valve.

As a supplement to the technical scheme, a second stop valve and a thirteenth stop valve are respectively installed at an inlet and an outlet of a heat exchange plate of the plate heat exchanger.

As a supplement to the technical scheme, a twelfth stop valve is arranged on the pipelines of the oil collecting pipe and the water bucket.

As a supplement to the technical scheme, a fifteenth stop valve is arranged on a pipeline communicated with the plate heat exchanger and the cold water pool, and a fourteenth stop valve is arranged on a pipeline in butt joint between the plate heat exchanger and the water pump.

The method comprises the steps of utilizing tap water in a condenser, a compressor, a plate heat exchanger, a high-pressure barrel, a distributor, a cold water pump and a circulating water tank of a refrigerating water system to reduce the temperature of the water to achieve the effect of liquid ammonia circulation, finally closing a liquid supply valve of the plate heat exchanger to achieve the same inlet and outlet temperature of the tap water, and opening a valve of the plate heat exchanger to discharge the ammonia water to an oil collector and then to a water barrel when the plate heat exchanger does not have a refrigerant.

Has the advantages that: the utility model relates to a heat transfer formula ammonia refrigerating system with ammonia discharging structure is used for separating liquid ammonia and water liquid through setting up the distribution station, reduces the water content of liquid ammonia, avoids appearing the phenomenon of pipeline corrosion, discharges the aqueous ammonia to the cask in through setting up oil collecting pipe and discharge opening simultaneously, does not have the aqueous ammonia to remain in ensureing the heat exchanger, has characteristics such as safe and reliable, energy-concerving and environment-protective, reform transform with low costs, cooling rate is fast.

Drawings

Fig. 1 is a system configuration diagram of the present invention.

The figure is as follows: 1. the system comprises a first stop valve, a second stop valve, a third stop valve, a fourth stop valve, a fifth stop valve, a 6 sixth stop valve, a 7 seventh stop valve, a 8 eighth stop valve, a 9 ninth stop valve, a 10 tenth stop valve, a 11 eleventh stop valve, a 12 twelfth stop valve, a 13 thirteenth stop valve, a 14 fourteenth stop valve, a 15 fifteenth stop valve, a 16 compressor, a 17 evaporative cooling unit, a 18 high-pressure barrel, a 19 distribution station, a 20 plate heat exchanger, a 21, a water pump, a 22, an oil collecting pipe, a 23, a water pool, a 24, a water bucket, a 25 and a cold water pool.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model discloses an embodiment relates to a heat transfer formula ammonia refrigerating system with ammonia discharge structure, as shown in fig. 1, including compressor 16, evaporation cold 17, distribution station 19, plate heat exchanger 20, the export of compressor 16 pass through the pipeline and link to each other with the import of evaporation cold 17, the export of evaporation cold 17 pass through the pipeline and link to each other with the import of high-pressure bucket 18, the import of high-pressure bucket 18 pass through pipeline and distribution station 19 and link to each other, the export of distribution station 19 pass through the pipeline and link to each other with the heat transfer board import of plate heat exchanger 20, the heat transfer board export of plate heat exchanger 20 passes through the pipeline and links to each other with the import of compressor 16.

The inlet of the plate heat exchanger 20 is connected with the outlet of the water pump 21 through a pipeline, the inlet of the water pump 21 is connected with the water tank 23 through a pipeline, and the outlet of the plate heat exchanger 20 is connected with the cold water tank 25 through a pipeline.

The lower end of the heat exchange plate cavity of the plate heat exchanger 20 is provided with a discharge opening, the discharge opening is connected with an inlet of an oil collecting pipe 22 through a pipeline, an outlet of the oil collecting pipe 22 is connected with a water bucket 24, the discharge opening of the plate heat exchanger 20 is provided with a first stop valve 1 which can be closed, and an inlet of the oil collecting pipe 22 is provided with an eleventh stop valve 11.

The compressor 16, the evaporative cooling 17, the high-pressure barrel 18, the distribution station 19 and the plate heat exchanger 20 form a circulating system, so that liquid ammonia can enter the plate heat exchanger 20 to provide energy for cooling water, meanwhile, water in the water tank 23 enters the plate heat exchanger 20 through the water pump 21, the plate heat exchanger 20 cools the water entering the water tank 23, and then cold water enters the cold water tank 25 to serve as a refrigerating source.

Discharge into oil collecting pipe 22 through setting up the discharge opening of plate heat exchanger 20 is used for remaining the ammonia, then carry out wherein to discharge, avoid water and liquid ammonia to combine to form corrosive liquid to lead to pipe-line system to take place to damage.

As a supplement to the present solution, a tenth stop valve 10 and a ninth stop valve 9 are respectively disposed at the inlet and the outlet of the compressor 16.

As a supplement to the technical scheme, an inlet and an outlet of the evaporative cooler 17 are respectively provided with an eighth stop valve 8 and a seventh stop valve 7.

As a supplement to the present technical solution, the inlet and the outlet of the high pressure barrel 18 are respectively provided with a sixth stop valve 6 and a fifth stop valve 5.

As a complement to this solution, the inlet and the outlet of the distribution station 19 are respectively provided with a fourth stop valve 4 and a third stop valve 3.

As a supplement to the present technical solution, the inlet and the outlet of the heat exchange plate of the plate heat exchanger 20 are respectively provided with a second stop valve 2 and a thirteenth stop valve 13.

As a supplement to the present technical solution, the oil collecting pipe 22 and the water barrel 24 are provided with a twelfth stop valve 12.

As a supplement to the present technical solution, a fifteenth stop valve 15 is disposed on a pipeline connecting the plate heat exchanger 20 and the cold water tank 25, and a fourteenth stop valve 14 is disposed on a pipeline connecting the plate heat exchanger 20 and the water pump 21.

Examples

The water pump 22, the fifteenth stop valve 15 and the fourteenth stop valve 14 are started, so that the water body enters the plate heat exchanger 20;

and all valves of the refrigeration system are kept open, and equipment is started to prepare cold water. (second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, and thirteenth cut-off valves 2, 3, 4, 5, 6, 7, 8, 9, 10, and 13);

the system normally circulates, and the liquid ammonia in the high-pressure barrel 18 is normally circulated for multiple times;

when the water temperatures at the inlet and the outlet of the plate heat exchanger 20 are consistent, no refrigerant exists in the system;

the second stop valve 2 is closed, the water pump 22 is stopped, the first stop valve 1 and the eleventh stop valve 11 are opened, and the ammonia water is discharged to the oil collector 22.

The twelfth cut-off valve 12 is opened to send the ammonia water to the water tub 24.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The foregoing detailed description of the heat-exchange ammonia refrigeration system with ammonia purging structure provided in the present application has provided an illustration of the principles and embodiments of the present application using specific examples, which are merely provided to help understand the method and the core concepts of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. The utility model provides a heat transfer formula ammonia refrigerating system with arrange ammonia structure which characterized in that: the system comprises a compressor (16), an evaporative cooler (17), a distribution station (19) and a plate heat exchanger (20), wherein an outlet of the compressor (16) is connected with an inlet of the evaporative cooler (17) through a pipeline, an outlet of the evaporative cooler (17) is connected with an inlet of a high-pressure barrel (18) through a pipeline, an outlet of the high-pressure barrel (18) is connected with an inlet of the distribution station (19) through a pipeline, an outlet of the distribution station (19) is connected with an inlet of a heat exchange plate of the plate heat exchanger (20) through a pipeline, and an outlet of the heat exchange plate of the plate heat exchanger (20) is connected with an inlet of the compressor (16) through a pipeline;

an inlet of the plate heat exchanger (20) is connected with an outlet of a water pump (21) through a pipeline, an inlet of the water pump (21) is connected with a water pool (23) through a pipeline, and an outlet of the plate heat exchanger (20) is connected with a cold water pool (25) through a pipeline;

the lower extreme of the heat transfer plate cavity of plate heat exchanger (20) be provided with the discharge opening, the discharge opening passes through the pipeline and links to each other with the import of oil collecting pipe (22), the export of oil collecting pipe (22) link to each other with cask (24), the discharge opening of plate heat exchanger (20) on be provided with and to close first check valve (1), the import department of oil collecting pipe (22) set up eleventh check valve (11).

2. The heat exchange type ammonia refrigeration system with an ammonia discharge structure as claimed in claim 1, wherein: and a tenth stop valve (10) and a ninth stop valve (9) are respectively arranged at the inlet and the outlet of the compressor (16).

3. The heat exchange type ammonia refrigeration system with ammonia discharge structure as claimed in claim 2, wherein: and an inlet and an outlet of the evaporative cooler (17) are respectively provided with an eighth stop valve (8) and a seventh stop valve (7).

4. The heat exchange type ammonia refrigeration system with an ammonia discharge structure as claimed in claim 3, wherein: and a sixth stop valve (6) and a fifth stop valve (5) are respectively arranged at the inlet and the outlet of the high-pressure barrel (18).

5. The heat exchange type ammonia refrigeration system with an ammonia discharge structure as claimed in claim 4, wherein: and a fourth stop valve (4) and a third stop valve (3) are respectively arranged on the inlet and the outlet of the distribution station (19).

6. The heat exchange type ammonia refrigeration system with ammonia discharge structure as claimed in claim 5, wherein: and a second stop valve (2) and a thirteenth stop valve (13) are respectively arranged at the inlet and the outlet of the heat exchange plate of the plate heat exchanger (20).

7. The heat exchange type ammonia refrigeration system with an ammonia discharge structure as claimed in claim 6, wherein: and the oil collecting pipe (22) and the water barrel (24) are provided with a twelfth stop valve (12).

8. The heat exchange type ammonia refrigeration system with an ammonia discharge structure as claimed in claim 7, wherein: and a fifteenth stop valve (15) is arranged on a pipeline communicated with the plate heat exchanger (20) and the cold water tank (25), and a fourteenth stop valve (14) is arranged on a pipeline in butt joint with the plate heat exchanger (20) and the water pump (21).