CN211823387U

CN211823387U - Frequency conversion low noise refrigerating device for ship

Info

Publication number: CN211823387U
Application number: CN201922440768.1U
Authority: CN
Inventors: 印疆; 花军; 曹杨健; 周毓; 王晶晶
Original assignee: Csic Tianhe Ship Equipment Jiangsu Co ltd
Current assignee: Csic Tianhe Ship Equipment Jiangsu Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30

Abstract

The invention relates to a variable-frequency low-noise refrigerating device, which is mainly used for maintaining the storage temperature of a QT cold storage warehouse and ensuring the low-temperature freezing of QT meat food and the fresh-keeping storage of vegetables and fruits and vegetables by adjusting the running state of a compression condensing unit, a high-temperature air cooler and a low-temperature air cooler through electrical control according to the using conditions of ships, and is an important guarantee for meeting the living needs of sailors and improving the eating conditions of the sailors. The device has strong adaptability, can meet the operation requirement under the condition of wide temperature range, saves energy, reduces noise, absorbs shock, has long service life, and meets the use condition for ships.

Description

Frequency conversion low noise refrigerating device for ship

Technical Field

The invention relates to a variable-frequency refrigeration system, in particular to a variable-frequency low-noise refrigeration device for ships.

Background

Along with the modern process, the requirements of people on the quality of life are higher and higher, and the refrigeration house plays a very important role in promoting the storage of food and the urban development. Similarly, a cold storage is also important for shipping, providing storage functions for the ship. In a ship, the refrigeration storage can be used for providing logistics support supply for the ship on one hand, and can be used for keeping fresh and storing goods on the other hand, particularly for ocean-going ships, the time of going out from sea is less than half a month, so that food safety is the biggest problem for people on the ship, and the catering refrigeration storage in the ship is the most basic guarantee for life of the people.

The ship refrigeration house is mainly divided into the following parts according to different storage areas and different dish types: meat storehouse, dish storehouse, every freezer is different to the demand of refrigerating capacity, is to carrying out refrigeration control to every freezer alone among the current boats and ships refrigeration plant, and refrigeration efficiency is low, the extravagant energy of serious.

Disclosure of Invention

The problem that a refrigerating system for a variable-frequency refrigerating system in different environments cannot meet actual use requirements in complex environments is solved. The refrigeration control system provided by the invention is reliable, safe and energy-saving, can quickly provide cold energy for food in a refrigeration house, and guarantees the normal use requirement of refrigeration equipment.

The technical scheme provided by the invention is as follows: the utility model provides a naval vessel is with frequency conversion low noise refrigerating plant, includes compression condensing unit, vegetable storehouse system and meat storehouse system, its characterized in that: the compression condensing unit comprises a refrigeration compressor, an oil separator, a condensation liquid reservoir and a drying filter, wherein the refrigeration compressor is connected with the oil separator through air outlet, the oil separator is divided into two paths, one path is connected with the condensation liquid reservoir, the other path is connected with the vegetable warehouse system, the condensation liquid reservoir is connected with the drying filter, and the drying filter is divided into two paths which are respectively connected with the vegetable warehouse system and the meat warehouse system; the meat warehouse system comprises a low-temperature air cooler arranged in the meat warehouse; the vegetable warehouse system comprises a high-temperature air cooler arranged in a vegetable warehouse, a drying filter is respectively connected with the low-temperature air cooler through a low-temperature inlet pipe with an expansion valve and connected with the high-temperature air cooler through a high-temperature inlet pipe with an expansion valve, a low-temperature outlet pipe of the low-temperature air cooler and a high-temperature outlet pipe of the high-temperature air cooler are connected with a refrigerating compressor through a liquid return pipe, an evaporation pressure regulating valve is arranged on the high-temperature outlet pipe, and the other path of an oil separator is connected to the high-temperature outlet pipe between the high.

Further, the refrigeration compressor is an inverter compressor.

Furthermore, a flow of the condensation liquid receiver is connected between the oil separator and the drying filter, and the return liquid of the flow is connected back to the return air port of the refrigeration compressor through an energy adjusting pipeline with an energy adjusting valve.

Furthermore, the condensation liquid receiver is divided into two paths, one path is connected with the drying filter, and the other path is connected with the refrigeration compressor.

Further, a refrigerant charging port is arranged at the inlet end of the drying filter.

Furthermore, one flow of the condensation liquid reservoir is connected between the oil separator and the drying filter, the other flow is connected with a seawater inlet pipeline and a seawater outlet pipeline, and a water pump is arranged on the seawater inlet pipeline.

Furthermore, an electronic expansion valve on the high-temperature inlet pipe is respectively connected with a high-temperature air cooler and an air cooler defrosting liquid reservoir.

Further, the drying filter is used for receiving the vegetable warehouse system and the meat warehouse system through a sight glass.

Furthermore, a temperature sensor corresponding to a low-temperature air cooler is arranged in the meat warehouse system, and a high-precision temperature sensor corresponding to a high-temperature air cooler is arranged in the vegetable warehouse system.

The refrigerating compressor of the refrigerating device adopts the variable frequency compressor, and the air displacement of the refrigerating compressor can be controlled by adjusting the power frequency of the refrigerating compressor, so that the aim of energy adjustment is fulfilled. The refrigerating device is divided into two working modes, namely a refrigerating working condition and a maintaining working condition, when the refrigeration house starts to perform refrigerating operation under the refrigerating working condition, the compressor runs at full speed, and the temperature of the refrigeration house reaches a set temperature as soon as possible; when the refrigeration house reaches the set temperature, the refrigeration compressor operates in a variable frequency mode, the operating frequency is automatically adjusted according to the load of the refrigeration house, and the temperature of the refrigeration house is maintained. The vibration and noise test control device can meet the control of vibration and noise tests in different environments, and has the advantages of long service life, energy conservation, shock absorption and noise reduction.

The utility model discloses refrigerating system adopts low temperature low pressure freon refrigerant by the compressor compression back, gets into sleeve formula condenser cistern, and the sea water that advances cools off the freon in the condenser cistern, cools off it into high temperature high pressure freon liquid, absorbs and filters the impurity and the moisture of freon internal mixing through drying filter, and clean freon liquid gets into the expansion valve and is throttled into low temperature low pressure freon liquid, sends into meat storehouse low temperature air-cooler and high temperature air-cooler evaporation freon liquid respectively again and becomes low temperature low pressure freon gas and is inhaled the compressor and thus accomplish a refrigeration cycle; the liquid outlet of the combined condensation liquid reservoir is connected back to the return air port of the refrigeration compressor through an energy adjusting pipeline with an energy adjusting valve, so that the refrigeration energy is effectively controlled to adjust the refrigeration compression efficiency; the oil separator is directly connected to the high-temperature hot air blower to defrost the high-temperature hot air blower, and the defrosting liquid enters the defrosting liquid reservoir of the air cooler.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: the system comprises a refrigeration compressor 1, an oil separator 2, a refrigeration pipeline 3, a condensation liquid reservoir 4, a seawater inlet pipeline 5, a seawater outlet pipeline 6, a water pump 7, an energy adjusting pipeline 8, an energy adjusting valve 9, a refrigeration straight return pipeline 10, a refrigerant charging port 11, a drying filter 12, a sight glass 13, a low-temperature inlet pipe 14, a low-temperature inlet pipe expansion valve 15, a low-temperature air cooler 16, a low-temperature sensor 17, a low-temperature outlet pipe 18, a high-temperature inlet pipe 19, a high-temperature inlet pipe expansion valve 20, a high-temperature air cooler 21, a high-temperature high-precision temperature sensor 22, an air cooler defrosting liquid reservoir 23, a defrosting liquid reservoir adjusting valve 24, a defrosting liquid reservoir check valve 25, a high-temperature outlet pipe 26, an evaporation pressure adjusting valve 27, a.

Detailed Description

The following further description is made in conjunction with the accompanying drawings and examples.

FIG. 1 shows: a variable-frequency low-noise refrigerating device comprises a refrigerating compressor 1, an oil separator 2, a refrigerating pipeline 3, a condensation liquid reservoir 4, a seawater inlet pipeline 5, a seawater outlet pipeline 6, a water pump 7, an energy adjusting pipeline 8, an energy adjusting valve 9, a refrigerating straight-return pipeline 10, a refrigerant filling port 11, a drying filter 12, a sight glass 13, a low-temperature inlet pipe 14, a low-temperature inlet pipe expansion valve 15, a low-temperature air cooler 16, a low-temperature sensor 17, a low-temperature outlet pipe 18, a high-temperature inlet pipe 19, a high-temperature inlet pipe expansion valve 20, a high-temperature air cooler 21, a high-temperature high-precision temperature sensor 22, an air cooler defrosting liquid reservoir 23, a defrosting liquid storage adjusting valve 24, a defrosting liquid storage check valve 25, a high-temperature outlet pipe 26, an evaporation pressure adjusting valve 27, a defrosting.

An oil separator 2, a condensation liquid receiver 4, a drying filter 12 and a sight glass 13 are sequentially arranged on a refrigeration pipeline 3 externally connected with an air outlet of a refrigeration compressor 1, and then respectively connected with a low-temperature inlet pipe 14 and a high-temperature inlet pipe 19, the refrigeration pipeline 3 is connected on one flow of the condensation liquid receiver 4, the flow is connected with a return air inlet of the refrigeration compressor 1 through an energy adjusting pipeline 8 with an energy adjusting valve 9, the condensation liquid receiver 4 in front of the drying filter 12 is connected with a return air inlet of the refrigeration compressor through a refrigeration straight return pipeline 10, the other flow is connected with seawater inlet and outlet pipelines 5 and 6, a water pump 7 is arranged on the seawater inlet pipeline, the low-temperature inlet pipe 14 is connected with a low-temperature air cooler 16 in a meat warehouse through a low-temperature inlet pipe expansion valve 15, a low-temperature sensor 17 is also arranged in the meat warehouse, the low-temperature air cooler 16 is connected with a return air pipeline 29 through a low-temperature outlet pipe, the vegetable warehouse is also provided with a high-temperature high-precision temperature sensor 22, the high-temperature inlet pipe 19 is provided with a high-temperature inlet pipe expansion valve 20, a pipeline behind the high-temperature inlet pipe expansion valve is connected with an air cooler defrosting liquid reservoir 23 through two branch pipelines, the two branch pipelines are respectively provided with a defrosting liquid reservoir regulating valve 24 and a defrosting liquid reservoir check valve 25, the high-temperature air cooler 21 is connected with an air return pipeline 29 through a high-temperature outlet pipe 26, the high-temperature outlet pipe is provided with an evaporation pressure regulating valve 27, and the air outlet of the oil separator 2 is connected to the high-temperature outlet pipe in front of the evaporation pressure regulating valve through a defrosting.

All set up controllable stop valve on each part connecting pipeline in this embodiment for control circuit break-make, this type of technique is prior art, adds on arbitrary pipeline on the technical scheme of this patent and establishes or change all the utility model discloses in the protection range.

Claims

1. The utility model provides a naval vessel is with frequency conversion low noise refrigerating plant, includes compression condensing unit, vegetable storehouse system and meat storehouse system, its characterized in that: the compression condensing unit comprises a refrigeration compressor, an oil separator, a condensation liquid reservoir and a drying filter, wherein the refrigeration compressor is connected with the oil separator through air outlet, the oil separator is divided into two paths, one path is connected with the condensation liquid reservoir, the other path is connected with the vegetable warehouse system, the condensation liquid reservoir is connected with the drying filter, and the drying filter is divided into two paths which are respectively connected with the vegetable warehouse system and the meat warehouse system; the meat warehouse system comprises a low-temperature air cooler arranged in the meat warehouse; the vegetable warehouse system comprises a high-temperature air cooler arranged in a vegetable warehouse, a drying filter is respectively connected with the low-temperature air cooler through a low-temperature inlet pipe with an expansion valve and connected with the high-temperature air cooler through a high-temperature inlet pipe with an expansion valve, a low-temperature outlet pipe of the low-temperature air cooler and a high-temperature outlet pipe of the high-temperature air cooler are connected with a refrigerating compressor through a liquid return pipe, an evaporation pressure regulating valve is arranged on the high-temperature outlet pipe, and the other path of an oil separator is connected to the high-temperature outlet pipe between the high.

2. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1, which is characterized in that: the refrigeration compressor is a variable frequency compressor.

3. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1, which is characterized in that: and a flow of the condensation liquid reservoir is connected between the oil separator and the drying filter, and the return liquid of the flow is connected back to the return air port of the refrigeration compressor through an energy regulating pipeline with an energy regulating valve.

4. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1, which is characterized in that: the condensation liquid reservoir is divided into two paths, one path is connected with the drying filter, and the other path is connected with the refrigeration compressor.

5. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1 or 4, which is characterized in that: the inlet end of the drying filter is provided with a refrigerant charging port.

6. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1 or 3, characterized in that: one flow path of the condensation liquid reservoir is connected between the oil separator and the drying filter, the other flow path is connected with a seawater inlet pipeline and a seawater outlet pipeline, and a water pump is arranged on the seawater inlet pipeline.

7. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1, which is characterized in that: and the high-temperature inlet pipe is provided with an electronic expansion valve and then is respectively connected with a high-temperature air cooler and an air cooler defrosting liquid reservoir.

8. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1, which is characterized in that: the drying filter is divided into a vegetable warehouse system and a meat warehouse system through a sight glass.

9. The variable-frequency low-noise refrigerating device for the ships and warships according to claim 1, which is characterized in that: a temperature sensor corresponding to the low-temperature air cooler is arranged in the meat warehouse system, and a high-precision temperature sensor corresponding to the high-temperature air cooler is arranged in the vegetable warehouse system.