CN210892221U - Marine low-temperature water chilling unit with compact structure - Google Patents

Marine low-temperature water chilling unit with compact structure Download PDF

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Publication number
CN210892221U
CN210892221U CN201921648004.5U CN201921648004U CN210892221U CN 210892221 U CN210892221 U CN 210892221U CN 201921648004 U CN201921648004 U CN 201921648004U CN 210892221 U CN210892221 U CN 210892221U
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water
pipe
water condenser
compression device
oil
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江华轶
沈剑文
沈建明
廖庆章
江逸辉
罗锐
黄旭华
刘金星
沈明花
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Guangdong Shenghua Heating And Cooling Equipment Co ltd
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Guangdong Shenghua Heating And Cooling Equipment Co ltd
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Abstract

The application discloses a marine low-temperature water chilling unit with a compact structure, which comprises a liquid storage device, a water condenser, a refrigeration compression device, a bottom frame, an oil separator, an air inlet pipe, an air outlet pipe and an oil backflow adjusting mechanism, wherein the water condenser is arranged on the liquid storage device; the liquid storage device is arranged at the middle position of the bottom frame; the water condenser is arranged above the liquid storage device and communicated with the liquid storage device; the refrigeration compression device is arranged above the water condenser; the oil separator is connected with the liquid storage device and is close to one side of the water condenser and is positioned at one end of the refrigeration and compression device; the oil reflux adjusting mechanism is arranged on the water condenser and is respectively communicated with the lower end of the oil separator and the refrigeration compression device so as to reflux the oil from the lower end of the oil separator to the refrigeration compression device. The application provides a compact structure type marine low temperature cooling water set compact structure, the installation is concentrated between each structure, and occupation space is little, and the material quantity is little, helps reducing the overall dimension of this low temperature cooling water set and the cost of building factory building scale.

Description

Marine low-temperature water chilling unit with compact structure
Technical Field
The utility model relates to a low temperature cooling water set especially relates to a compact structure type marine low temperature cooling water set.
Background
The low-temperature water chilling unit is widely applied to the fields of electronics, chemical engineering, machinery, electroplating, pharmacy, printing, food and gas compression, and various fields requiring refrigerated water concentrated cooling such as superstores, hotels, factories, hospitals, fishing boats and the like. However, the installation of the chassis, the liquid storage device, the water condenser, the refrigeration compression device and other mechanisms of the existing low-temperature water chilling unit is too dispersed, the occupied space is large, the material consumption is large, and the overall dimension of the low-temperature water chilling unit and the cost for building the plant scale are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's problem, providing a marine low temperature cooling water set of compact structure, its compact structure, the installation is concentrated between each structure, and occupation space is little, and the material quantity is little, helps reducing the overall dimension of this low temperature cooling water set and the cost of building factory building scale.
In order to achieve the above purpose, the utility model adopts the following scheme:
the marine low-temperature water chilling unit with a compact structure comprises a liquid storage device, a water condenser and a refrigeration compression device; further comprising:
a chassis; the liquid storage device is arranged in the middle of the bottom frame; the water condenser is arranged above the liquid storage device and communicated with the liquid storage device; the refrigeration compression device is arranged above the water condenser;
an oil separator connected to the accumulator and abutting against one side of the water condenser and located at one end of the refrigeration compression device;
one end of the air inlet pipe is communicated with an air outlet port of the refrigeration compression device, and the other end of the air inlet pipe is communicated with the upper end of the oil separator;
one end of the gas outlet pipe is communicated with the upper side of the oil separator, and the other end of the gas outlet pipe is communicated with the upper side of one end of the water condenser close to the oil separator;
and the oil backflow adjusting mechanism is arranged on the water condenser and is respectively communicated with the lower end of the oil separator and the refrigeration compression device so as to enable oil to flow back into the refrigeration compression device from the lower end of the oil separator.
Further, an installation space is formed between the liquid storage device and the water condenser; the oil return flow adjusting mechanism includes:
one end of the first return pipe is communicated with the lower end of the oil separator; the other end of the water cooling device penetrates through the installation space and is arranged on the other side of the water condenser;
the oil reflux adjusting valve is arranged on the other side of the water condenser and is communicated with the other end of the first reflux pipe;
and a second return pipe which is arranged close to the other side of the water condenser, one end of the second return pipe is communicated with the oil return regulating valve, and the other end of the second return pipe is communicated with the refrigeration and compression device.
Furthermore, the calibers of the air inlet pipe and the air outlet pipe are 20 mm-60 mm.
Furthermore, the air inlet pipe is an aluminum brass pipe or a copper pipe.
Furthermore, the air outlet pipe is a titanium pipe or a stainless steel pipe.
Further, the refrigeration and compression device is a mixed-flow compressor, a centrifugal compressor, a scroll compressor, a piston compressor or a rotor compressor.
Further, the water condenser comprises a water inlet and a water outlet; the water inlet and the water outlet are located at the same end of the water condenser.
Further, the water condenser is communicated with the liquid storage device through a horizontal U-shaped pipe; the horizontal U-shaped pipe is arranged close to the water condenser and the liquid storage device; the horizontal U-shaped pipe is a horizontal U-shaped titanium pipe.
The drying filter, the ball valve, the liquid sight glass and the electromagnetic valve are positioned on the bottom frame, communicated with the liquid reservoir and communicated with the liquid reservoir in sequence; and the control screen is arranged on the water condenser and is respectively electrically connected with the refrigeration compression device and the electromagnetic valve.
Further, the water condenser is made of a copper-aluminum alloy.
Compared with the prior art, the utility model has the advantages of as follows:
the low-temperature water chilling unit for the ship with the compact structure of the utility model has the advantages that the structures with overlarge volumes, such as the liquid storage device, the water condenser, the refrigeration compression device and the oil separator, are intensively arranged at the middle position of the bottom frame, and the structures with overlarge volumes are reasonably limited in the bottom frame, so that the low-temperature water chilling unit has the compact structure and small occupied space; meanwhile, the air inlet pipe, the air outlet pipe and the oil backflow adjusting mechanism are reasonably arranged by combining the positions of the structures with overlarge volumes and limited in the underframe; the material quantity of the air inlet pipe, the air outlet pipe and the oil backflow adjusting mechanism is reduced, the low-temperature water chilling unit is prevented from being too large in size, and the overall dimension of the low-temperature water chilling unit and the cost for building the plant scale are reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a perspective view of the marine low-temperature water chiller of the compact structure of the present invention.
Fig. 2 is another perspective view of the marine low-temperature water chiller of the compact structure of the present invention.
Detailed Description
Referring to fig. 1 to 2, the marine low-temperature water chilling unit with a compact structure comprises a chassis 1, a liquid storage device 2, a water condenser 3 and a refrigeration compression device 4; the liquid storage device 2 is arranged in the middle of the bottom frame 1; the water condenser 3 is arranged above the liquid storage device 2 and communicated with the liquid storage device 2; the refrigeration compression device 4 is arranged above the water condenser 3; the marine low-temperature water chilling unit with the compact structure further comprises an oil separator 5, an air inlet pipe 6, an air outlet pipe 7 and an oil backflow adjusting mechanism 8. Wherein, an oil separator 5 is connected with the liquid accumulator 2 and is close to one side of the water condenser 3 and is positioned at one end of the refrigeration compression device 4; one end of the air inlet pipe 6 is communicated with an air outlet port of the refrigeration compression device 4, and the other end of the air inlet pipe is communicated with the upper end of the oil separator 5; one end of the gas outlet pipe 7 is communicated with the upper side of the oil separator 5, and the other end is communicated with the upper side of one end of the water condenser 3 close to the oil separator 5; an oil return regulation mechanism 8 is provided in the water condenser 3 and communicates with the lower end of the oil separator 5 and the refrigeration compression device 4, respectively, to return oil from the lower end of the oil separator 5 into the refrigeration compression device 4. The marine low-temperature water chilling unit with the compact structure is characterized in that the structures with overlarge volumes, namely the liquid storage device 2, the water condenser 3, the refrigeration compression device 4 and the oil separator 5, are intensively arranged at the middle position of the underframe 1, and the structures with overlarge volumes are reasonably limited in the underframe 1, so that the marine low-temperature water chilling unit is compact in structure and small in occupied space; meanwhile, the air inlet pipe 6, the air outlet pipe 7 and the oil backflow adjusting mechanism 8 are reasonably installed and arranged in combination with the positions of the structures with overlarge volumes and limited in the underframe 1; the material consumption of the air inlet pipe 6, the air outlet pipe 7 and the oil backflow adjusting mechanism 8 is reduced, the low-temperature water chilling unit is prevented from being too large in size, and the overall dimension of the low-temperature water chilling unit and the cost for building plant scales are reduced. The water condenser 3 is made of a copper-aluminum alloy. The copper aluminum alloy is used as a manufacturing material of the water condenser 3, so that the strength and hardness of the water condenser 3 can be improved by using the copper material, and meanwhile, the compact oxidation protection film is easily formed by using aluminum, so that the copper material is protected, and the service life of the water condenser 3 can be prolonged. The refrigeration and compression device 4 is a mixed-flow compressor, a centrifugal compressor, a scroll compressor, a piston compressor or a rotor compressor. The compressor of multiple different types is used as the refrigeration core of the marine low-temperature water chilling unit with the compact structure, and the marine low-temperature water chilling unit is simple in structure and convenient to use.
An installation space 9 is formed between the liquid accumulator 2 and the water condenser 3; the oil return regulation mechanism 8 includes a first return pipe 81, an oil return regulation valve 82, and a second return pipe 83. Wherein, one end of the first return pipe 81 is communicated with the lower end of the oil separator 5; the other end passes through the installation space and is arranged on the other side of the water condenser 3; an oil reflux adjusting valve 82 is arranged on the other side of the water condenser 3 and communicated with the other end of the first reflux pipe 81; the amount of oil returned from the oil separator 5 into the refrigeration compression device 4 is regulated by an oil return regulating valve 82. A second return pipe 83 is provided immediately on the other side of the water condenser 3 and one end of the second return pipe 83 communicates with the oil return regulating valve 82 and the other end communicates with the refrigeration compression device 4. The oil return connection between the oil separator 5 and the refrigeration compression device 4 is mainly through the position setting to first back flow pipe 81, oil backflow governing valve 82 and second back flow pipe 83, avoids first back flow pipe 81 and second back flow pipe 83 occupation space after the installation too big, reduces the use amount of material, makes this low temperature cooling water set overall structure compact type, and occupation space is little, helps reducing the overall dimension of this low temperature cooling water set and the cost of building factory building scale. The calibers of the first return pipe 81 and the second return pipe 83 are 10mm to 20 mm; preferably 10 mm. By reasonably setting the calibers of the first return pipe 81 and the second return pipe 83, the first return pipe 81 and the second return pipe 83 occupy a small space, which is beneficial to the compact structure of the whole low-temperature water chilling unit. The first return pipe 81 and the second return pipe 83 are made of an aluminum-copper metal material, which helps to improve the strength and hardness of the first return pipe 81 and the second return pipe 83, prevent the first return pipe 81 and the second return pipe 83 from being damaged due to excessive vibration generated during the operation of the refrigeration compression device 4 and the oil separator 5, and meanwhile, the first return pipe 81 and the second return pipe 83 are more corrosion-resistant compared with a common copper pipe.
The calibers of the air inlet pipe 6 and the air outlet pipe 7 are 20 mm-60 mm. Preferably 30 mm. Through the bore of reasonable setting intake pipe 6, outlet duct 7, when satisfying the intake of gas and giving vent to anger, can avoid intake pipe 6, outlet duct 7's volume too big, occupation space is too big, the purpose makes this low temperature cooling water set overall structure compact.
The air inlet pipe 6 is an aluminum brass pipe or a copper pipe. Preferably an aluminium brass tube. The air inlet pipe 6 is made of aluminum copper and copper metal materials, so that the strength and hardness of the air inlet pipe 6 are improved, and the air inlet pipe 6 is prevented from being damaged after excessive vibration generated during the working of the refrigeration compression device 4. However, the intake pipe 6 is preferably made of an aluminum brass pipe, which has better corrosion resistance, than a copper pipe.
In this embodiment, the air outlet pipe 7 is a titanium pipe or a stainless steel pipe. Preferably a titanium tube. And cooling the high-temperature high-pressure gas compressed by the refrigeration and compression device 4 by using a medium in the water condenser 3. The water condenser 3 uses seawater or brine as a medium. Therefore, the air outlet pipe 7 is a titanium pipe or a stainless steel pipe, has strong corrosion resistance, and is almost zero even if the air outlet pipe is corroded in seawater or salt water, so that the service life of the air outlet pipe 7 is prolonged; meanwhile, the heat-dissipating device has a good heat-dissipating function and greatly improves the heat-exchanging effect.
The water condenser 3 comprises a water inlet 31 and a water outlet 32; the water inlet 31 and the water outlet 32 are located at the same end of the water condenser 3. The water inlet 31 and the water outlet 32 are arranged on the same side, so that the water condenser 3 of media such as seawater or brine achieves a cycle, and the high-temperature and high-pressure gas compressed by the refrigeration and compression device 4 is cooled; meanwhile, water pipes communicated with the water inlet 31 and the water outlet 32 are concentrated on the same direction, so that the low-temperature water chilling unit is compact in structure and small in occupied space, and the overall dimension of the low-temperature water chilling unit and the cost for building the plant scale are reduced.
The water condenser 3 is communicated with the liquid accumulator 2 through a horizontal U-shaped pipe 10; the horizontal U-shaped tube 10 is disposed next to the water condenser 3 and the liquid reservoir 2; the horizontal U-shaped pipe 10 is a horizontal U-shaped titanium pipe. By providing the horizontal U-shaped titanium pipe and forming the horizontal U-shaped pipe 10 from a titanium metal material, it is possible to contribute to improvement in corrosion resistance of the horizontal U-shaped pipe 10, almost no corrosion occurs even in seawater or salt water, and the service life of the horizontal U-shaped pipe 10 is further improved. Meanwhile, the horizontal U-shaped pipe 10 is set to be in a U-shaped shape, so that the phenomenon that the horizontal U-shaped pipe 10 falls off due to excessive vibration generated after liquid such as seawater or salt water enters the water condenser 3 and the use of the marine low-temperature water chilling unit with the compact structure is influenced is avoided.
The marine low-temperature water chilling unit with the compact structure further comprises a dry filter 11, a ball valve 12, a liquid observation mirror 13 and an electromagnetic valve 14 which are located on the underframe 1, communicated with the liquid reservoir 2 and communicated in sequence; and a control panel 15 disposed on the water condenser 3 and electrically connected to the refrigeration and compression device 4 and the electromagnetic valve 14, respectively. Through arranging drier-filter 11, ball valve 12, look liquid mirror 13 and solenoid valve 14 to and control panel 15 position, concentrate on in chassis 1, make this low temperature cooling water set overall structure compact, avoid this low temperature cooling water set volume too big, help reducing the overall dimension of this low temperature cooling water set and the cost of building factory building scale. In addition, the low-temperature gas in the liquid storage device 2 is further dried through the drying filter 11, so that liquid such as excessive moisture or impurities are removed, and the low-temperature gas is conveniently dried and discharged. The ball valve 12 is mainly used for cutting off, distributing and changing the flow direction of the medium in the pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment, so that the regulation control of the low-temperature gas outflow in the liquid storage device 2 and the emergency control closing are realized. The control panel 15 can be used for controlling the refrigeration and compression device 4, and meanwhile, the electromagnetic valve 14 can be regulated and controlled to control the discharge of low-temperature gas in the liquid storage device 2.
The utility model discloses a compact structure type marine low temperature cooling water set is through installing these structures of reservoir 2, water condenser 3, refrigeration compressor arrangement 4, oil separator 5, dry filter 11, ball valve 12, look liquid mirror 13 and solenoid valve 14, and control panel 15 on the position in the middle of chassis 1 in a concentrated manner, rationally confine these structures in chassis 1, make this low temperature cooling water set compact structure type, occupation space is little; meanwhile, the air inlet pipe 6, the air outlet pipe 7 and the oil backflow adjusting mechanism 8 are reasonably installed and arranged in combination with the positions of the structures with overlarge volumes and limited in the underframe 1; the material consumption of the air inlet pipe 6, the air outlet pipe 7 and the oil backflow adjusting mechanism 8 is reduced, the low-temperature water chilling unit is prevented from being too large in size, and the overall dimension of the low-temperature water chilling unit and the cost for building plant scales are reduced.
While the embodiments of the present application have been described in detail, the present application is not limited to the embodiments described above. Even if various changes are made in the present application, the protection scope of the present application is still included.

Claims (10)

1. The marine low-temperature water chilling unit with a compact structure comprises a liquid storage device (2), a water condenser (3) and a refrigeration compression device (4); it is characterized by also comprising:
a chassis (1); the liquid storage device (2) is arranged in the middle of the bottom frame (1); the water condenser (3) is arranged above the liquid storage device (2) and is communicated with the liquid storage device (2); the refrigeration compression device (4) is arranged above the water condenser (3);
an oil separator (5) connected to the reservoir (2) and abutting against one side of the water condenser (3) and located at one end of the refrigeration compression device (4);
one end of the air inlet pipe (6) is communicated with an air outlet port of the refrigeration compression device (4), and the other end of the air inlet pipe is communicated with the upper end of the oil separator (5);
an air outlet pipe (7) one end of which is communicated with the upper side of the oil separator (5) and the other end of which is communicated with the upper side of one end of the water condenser (3) close to the oil separator (5);
and an oil reflux adjusting mechanism (8) which is provided on the water condenser (3) and communicates with the lower end of the oil separator (5) and the refrigeration compression device (4) respectively so as to reflux the oil from the lower end of the oil separator (5) into the refrigeration compression device (4).
2. The compact marine cryogenic water chiller according to claim 1 wherein an installation space (9) exists between the reservoir (2) and the water condenser (3); the oil backflow regulating mechanism (8) includes:
a first return pipe (81) having one end communicating with the lower end of the oil separator (5); the other end of the water cooling device penetrates through the installation space and is arranged on the other side of the water condenser (3);
an oil reflux regulating valve (82) provided on the other side of the water condenser (3) and communicating with the other end of the first reflux pipe (81);
and a second return pipe (83) which is arranged on the other side of the water condenser (3) and one end of which is communicated with the oil return regulating valve (82) and the other end of which is communicated with the refrigeration and compression device (4).
3. The marine low-temperature water chilling unit with a compact structure according to claim 1 or 2, wherein the calibers of the air inlet pipe (6) and the air outlet pipe (7) are 20-60 mm.
4. The marine low-temperature water chilling unit with a compact structure according to claim 1 or 2, characterized in that the air inlet pipe (6) is an aluminum brass pipe or a copper pipe.
5. The marine low-temperature water chilling unit with a compact structure according to claim 1 or 2, characterized in that the air outlet pipe (7) is a titanium pipe or a stainless steel pipe.
6. The marine cryogenic water chilling unit of compact construction according to claim 1 or 2, characterized in that the refrigeration compression device (4) is a mixed flow compressor or a centrifugal compressor or a scroll compressor or a piston compressor or a rotor compressor.
7. The compact marine cryogenic water chiller according to claim 1 wherein the water condenser (3) comprises an inlet (31) and an outlet (32); the water inlet (31) and the water outlet (32) are positioned at the same end of the water condenser (3).
8. The compact marine cryogenic water chiller according to claim 1 wherein the water condenser (3) and the reservoir (2) are in communication via a horizontal U-tube (10); the horizontal U-shaped pipe (10) is arranged close to the water condenser (3) and the liquid storage device (2); the horizontal U-shaped pipe (10) is a horizontal U-shaped titanium pipe.
9. The marine low-temperature water chilling unit with a compact structure according to claim 1, further comprising a dry filter (11), a ball valve (12), a sight glass (13) and a solenoid valve (14) which are located on the underframe (1) and communicated with the liquid reservoir (2) in sequence; and the control screen (15) is arranged on the water condenser (3) and is respectively and electrically connected with the refrigeration compression device (4) and the electromagnetic valve (14).
10. The compact marine cryogenic water chiller according to claim 1 wherein the water condenser (3) is made of a copper aluminum alloy.
CN201921648004.5U 2019-09-28 2019-09-28 Marine low-temperature water chilling unit with compact structure Active CN210892221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921648004.5U CN210892221U (en) 2019-09-28 2019-09-28 Marine low-temperature water chilling unit with compact structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921648004.5U CN210892221U (en) 2019-09-28 2019-09-28 Marine low-temperature water chilling unit with compact structure

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CN210892221U true CN210892221U (en) 2020-06-30

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CN201921648004.5U Active CN210892221U (en) 2019-09-28 2019-09-28 Marine low-temperature water chilling unit with compact structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428828A (en) * 2021-07-14 2021-09-24 深圳市航纳科技有限公司 Management device and method for preventing oil from being discharged mistakenly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428828A (en) * 2021-07-14 2021-09-24 深圳市航纳科技有限公司 Management device and method for preventing oil from being discharged mistakenly
CN113428828B (en) * 2021-07-14 2022-06-28 深圳市航纳科技有限公司 Management device and method for preventing oil from being wrongly unloaded

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