CN108970325A - A kind of multistage cooler for compressor - Google Patents

A kind of multistage cooler for compressor Download PDF

Info

Publication number
CN108970325A
CN108970325A CN201810874706.9A CN201810874706A CN108970325A CN 108970325 A CN108970325 A CN 108970325A CN 201810874706 A CN201810874706 A CN 201810874706A CN 108970325 A CN108970325 A CN 108970325A
Authority
CN
China
Prior art keywords
cooling
hole
cooler
cooling device
cooling tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810874706.9A
Other languages
Chinese (zh)
Inventor
乔兴军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bengbu Hao Yuan Compressor Manufacturing Co Ltd
Original Assignee
Bengbu Hao Yuan Compressor Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bengbu Hao Yuan Compressor Manufacturing Co Ltd filed Critical Bengbu Hao Yuan Compressor Manufacturing Co Ltd
Priority to CN201810874706.9A priority Critical patent/CN108970325A/en
Publication of CN108970325A publication Critical patent/CN108970325A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06Cooling; Heating; Prevention of freezing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D1/00Devices using naturally cold air or cold water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a kind of multistage coolers for compressor, it is characterised in that: including pedestal, is equipped with vertical plate, the first cooling device and the second cooling device above pedestal;Vertical plate is fixedly connected at the upper side of pedestal, and vertical plate side is equipped with blower hole, and the side of mating connection blower in blower hole, blower outlet air is arranged towards the first cooling device;At the first cooling device side of being set on the base center, the second cooling device is fixedly connected on the other side above pedestal.Advantages of the present invention: the present invention can carry out secondary cooling to compressed gas, good cooling results, cooled down first by blower blowing to compressed gas, a temperature-fall period is carried out after the completion of cooling again, gas is cooled down by cold water in second of temperature-fall period, gas enters the cold water first passed through in cooler bin after cooling tube and cools down to gas, then sprays cold water to cooling tube by spray head again, cold water can be recycled by cooling cycle machine, save water energy amount.

Description

A kind of multistage cooler for compressor
Technical field
The present invention relates to industrial compressors field more particularly to a kind of multistage coolers for compressor.
Background technique
Gas compressor is a kind of power device for mechanical energy being converted to gas pressure energy, is usually used in pneumatic tools offer Aerodynamic force is also commonly used for force feed oxygen, hydrogen, ammonia, natural gas, coke-stove gas, inertia in industries such as petrochemical industry, drilling, metallurgy The media such as gas.With the development of science and technology, existing compressor often carries out multi-stage compression to gas, could effectively mention in this way The pressure of high gas, after every grade of compression, it usually needs cool down to compressed gas, the cooling dress of existing compressor Setting usually has water cooling and air-cooled two ways, and air-cooled this mode cooling rate is slow, effect is poor, and the mode occupied area of water cooling Greatly, it needs to cooperate water cooling tower therewith.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and propose a kind of for the more of compressor Grade cooler.
To achieve the goals above, present invention employs following technical solutions:
A kind of multistage cooler for compressor, it is characterised in that: including pedestal, vertical plate, the first cooling are equipped with above pedestal Device and the second cooling device;
Vertical plate is fixedly connected at the upper side of pedestal, and vertical plate side is equipped with blower hole, mating connection blower in blower hole, and blower goes out The side of wind is arranged towards the first cooling device;
At the first cooling device side of being set on the base center, the first cooling device includes one group of cooling attachment base, cooling connection Seat mounted on top setting, each cooling attachment base includes two link blocks disposed in parallel, is all provided in each link block side There are two through-hole, the through-hole on the same cooling attachment base on two link blocks is arranged in a one-to-one correspondence, corresponding logical at two Be cooperatively connected heat-dissipating pipe between hole, is connected between two on one of link block through-hole by the first bend pipe, another One of through-hole on link block with corresponding through-hole on the cooling attachment base in its upside by being connected, on another link block Another through-hole by being connected with corresponding through-hole on its cooling attachment base in downside, on the cooling attachment base in top side wherein One through-hole is air inlet, and one of through-hole on the cooling attachment base in lower side is venthole, goes out in venthole and passes through connection Pipeline connects the second cooling device, and the second cooling device is fixedly connected on the other side above pedestal.
Preferably, second cooling device includes cooler bin, and cooler bin is equipped with inlet suction port and exhaust joint, cold But case is provided with cooling tube, and cooling tube one end is connected with inlet suction port, and the cooling tube other end is connected with exhaust joint, in cooling tube Top is equipped with one group of spray head;
Be cooperatively connected header tank on the downside of cooler bin, and header tank is connected with cooler bin, and header tank side is equipped with drainage joint, The feed liquor interface of water pump is connected at drainage joint by first pipe, the liquid interface that goes out of water pump connects cold and hot friendship by second pipe The cooling entrance of parallel operation, one end of the coolant outlet connection third pipeline of cool-heat-exchanger, the other end of third pipeline is equipped with blind Plate, each spray head pass through connecting branch and are connected with the third pipeline;
The cold source entrance of cool-heat-exchanger connects cold source tank by the 4th pipeline, and the cold source outlet of cool-heat-exchanger passes through the 5th pipe Road connects dedicated waste tanks.
Preferably, the tapered helical form of the cooling tube is arranged in cooler bin, and the circle number of cooling tube is five circles, cooling tube The diameter of upper circle to lower circle is sequentially increased, and one end is connected with exhaust joint above cooling tube, one end and air inlet connecting below cooling tube Head is connected.
Preferably, the first finned heat dissipating ring is uniformly socketed on the outside of the cooling tube.
Preferably, check valve, electricity are sequentially arranged on the direction on the 4th pipeline by cold source tank to cool-heat-exchanger Dynamic regulating valve.
Preferably, temperature transmitter is equipped on the inside of the cooler bin, the probe of temperature transmitter is fixed in cooler bin Side bottom, temperature transmitter control connection electric control valve by PLC controller.
Preferably, the first pipe, second pipe, third pipeline, be equipped with control valve on the 4th pipeline.
Preferably, drainpipe is connected in the first pipe, drainpipe is equipped with drain valve.
Preferably, the second finned heat dissipating ring is uniformly socketed on the outside of each heat-dissipating pipe.
The present invention has the advantages that the present invention can be to compressed gas progress secondary cooling, good cooling results, first Cooled down by blower blowing to compressed gas, carry out a temperature-fall period again after the completion of cooling, cooled down at second Gas is cooled down by cold water in the process, has half chests cold water in case, gas first passes through in cooler bin after entering cooling tube Cold water gas is cooled down, cold water is then sprayed to cooling tube by spray head again, cold water can be recycled by cooling cycle machine It uses, saves water energy amount.
Detailed description of the invention
Fig. 1 is basic structure schematic diagram of the invention;
The top view of Fig. 2 Fig. 1;
Fig. 3 is the basic structure schematic diagram of link block;
Fig. 4 is the A direction view of Fig. 1;
Fig. 5 is the basic structure schematic diagram of the second cooling device;
Fig. 6 is the basic structure schematic diagram of cooling tube.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in figs 1 to 6, a kind of multistage cooler for compressor provided by the invention, including pedestal 21, pedestal 21 tops are equipped with vertical plate 22, the first cooling device 23 and the second cooling device 24.
Vertical plate 22 is fixedly connected on the upper side of pedestal 21, and 22 side of vertical plate is equipped with blower hole 22.1, in blower hole 22.1 The side of mating connection blower 22.2,22.2 outlet air of blower is arranged towards the first cooling device 23.
First cooling device 23 is arranged at 21 upper center of pedestal, and the first cooling device 23 includes one group of cooling connection Seat, cooling attachment base mounted on top setting, each cooling attachment base includes two link blocks 23.1 disposed in parallel, each 23.1 side of link block is all provided with there are two through-hole 23.2, the through-hole 23.2 on the same cooling attachment base on two link blocks 23.1 It is arranged in a one-to-one correspondence, be cooperatively connected heat-dissipating pipe 23.3 between two corresponding through-holes 23.2, one of link block It is connected between two through-holes 23.2 on 23.1 by the first bend pipe 23.4, one of through-hole on another link block 23.1 23.2 with corresponding through-hole 23.2 on the cooling attachment base in its upside by being connected, another on another link block 23.1 is logical Hole 23.2 by being connected with corresponding through-hole 23.2 on its cooling attachment base in downside, on the cooling attachment base in top side wherein one A through-hole 23.2 is air inlet, and one of through-hole 23.2 on the cooling attachment base in lower side is venthole, is gone out in venthole logical It crosses connecting pipe 25 and connects the second cooling device 24, the second cooling device 24 is fixedly connected on the 21 top other side of pedestal.
Second cooling device 24 includes cooler bin 1, and cooler bin 1 is equipped with inlet suction port 1.1 and exhaust joint 1.2, It is provided with cooling tube 2 in cooler bin 1, the tapered helical form of cooling tube 2 is arranged in cooler bin 1, the uniformly socket of 2 outside of cooling tube First finned heat dissipating ring.The circle number of cooling tube 2 is five circles, and the diameter of circle to lower circle is sequentially increased on cooling tube 2, on cooling tube 2 Fang Yiduan is connected with exhaust joint 1.2, and 2 lower section one end of cooling tube is connected with inlet suction port 1.1.
One group of spray head 3 is equipped with above cooling tube 2, each spray head 3 is hanging connected in 1 top of cooler bin, sunpender by sunpender Using angle bar, pull rod, in the accompanying drawings and it is not drawn into.Not having the distance between two neighboring spray head 3 is 0.3m.
The mating connection header tank 4 on the downside of cooler bin 1, header tank 4 are connected with cooler bin 1, and 4 side of header tank is equipped with row Water swivel is connected the feed liquor interface of water pump 7 by first pipe 11 at drainage joint, connects drainpipe in first pipe 11 8.1, drainpipe 8.1 is equipped with drain valve.
The cooling entrance for going out liquid interface and connecting cool-heat-exchanger 5 by second pipe 12 of water pump 7, cool-heat-exchanger 5 Coolant outlet connects one end of third pipeline 13, and the other end of third pipeline 13 is equipped with blind plate 9, and each spray head 3 passes through connection Branch pipe is connected with the third pipeline 13, and each connecting branch runs through the cooler bin 1.
The cold source entrance of cool-heat-exchanger 5 connects cold source tank 6 by the 4th pipeline 14, and cold source tank 6 is provided with the nitrogen of low temperature Gas, by being sequentially arranged with check valve 6.1, electric control valve 6.2 on cold source tank 6 to the direction of cool-heat-exchanger 5 on the 4th pipeline 14. Temperature transmitter is equipped on the inside of cooler bin 1, the probe of temperature transmitter is fixed on 1 inside bottom of cooler bin, and temperature transmitter is logical Cross PLC controller control connection electric control valve 6.2.When the temperature is excessively high, temperature transmitter is controlled by PLC in cooler bin 1 Device controls electric control valve 6.2 and increases flow.The cold source outlet of cool-heat-exchanger 5 connects dedicated waste tanks by the 5th pipeline 15.
The first pipe 11, third pipeline 13, is equipped with control valve on the 4th pipeline 14 at second pipe 12.

Claims (9)

1. a kind of multistage cooler for compressor, it is characterised in that: including pedestal (21), be equipped with vertical plate above pedestal (21) (22), the first cooling device (23) and the second cooling device (24);
Vertical plate (22) is fixedly connected at the upper side of pedestal (21), and vertical plate (22) side is equipped with blower hole (22.1), blower hole (22.1) side of interior mating connection blower (22.2), blower (22.2) outlet air is arranged towards the first cooling device (23);
First cooling device (23) is arranged at pedestal (21) upper center, and the first cooling device (23) includes one group of cooling connection Seat, cooling attachment base mounted on top setting, each cooling attachment base includes two link blocks (23.1) disposed in parallel, every A link block (23.1) side is all provided with there are two through-hole (23.2), on the same cooling attachment base on two link blocks (23.1) Through-hole (23.2) is arranged in a one-to-one correspondence, and is cooperatively connected heat-dissipating pipe (23.3) between two corresponding through-holes (23.2), In be connected between two through-holes (23.2) on a link block (23.1) by the first bend pipe (23.4), another link block (23.1) one of through-hole (23.2) on corresponding through-hole (23.2) on the cooling attachment base in its upside by being connected, separately Another through-hole (23.2) on one link block (23.1) is by cooling down corresponding through-hole on attachment base with its downside (23.2) it is connected, it is air inlet that top side, which cools down one of through-hole (23.2) on attachment base, and lower side cools down on attachment base One of through-hole (23.2) be venthole, venthole go out pass through connecting pipe (25) connection the second cooling device (24), Second cooling device (24) is fixedly connected on the other side above pedestal (21).
2. a kind of multistage cooler for compressor according to claim 1, it is characterised in that: the described second cooling dress Setting (24) includes cooler bin (1), and cooler bin (1) is equipped with inlet suction port (1.1) and exhaust joint (1.2), in cooler bin (1) Equipped with cooling tube (2), cooling tube (2) one end is connected with inlet suction port (1.1), cooling tube (2) other end and exhaust joint (1.2) It is connected, one group of spray head (3) is equipped with above cooling tube (2);
Mating connection header tank (4), header tank (4) are connected with cooler bin (1) on the downside of cooler bin (1), header tank (4) side Equipped with drainage joint, by the feed liquor interface of first pipe (11) connection water pump (7) at drainage joint, water pump (7) goes out liquid Cooling entrance of the interface by second pipe (12) connection cool-heat-exchanger (5), the coolant outlet connection the of cool-heat-exchanger (5) One end of three pipelines (13), the other end of third pipeline (13) are equipped with blind plate (9), each spray head (3) by connecting branch with The third pipeline (13) is connected;
The cold source entrance of cool-heat-exchanger (5) passes through the 4th pipeline (14) connection cold source tank (6), the cold source of cool-heat-exchanger (5) Outlet connects dedicated waste tanks by the 5th pipeline (15).
3. a kind of multistage cooler for compressor according to claim 2, it is characterised in that: the cooling tube (2) In cooler bin (1), the circle number of cooling tube (2) is five circles for tapered helical form setting, is enclosed on cooling tube (2) to the diameter of lower circle It is sequentially increased, one end is connected with exhaust joint (1.2) above cooling tube (2), one end and inlet suction port below cooling tube (2) (1.1) it is connected.
4. a kind of multistage cooler for compressor according to claim 2, it is characterised in that: the cooling tube (2) Outside is uniformly socketed the first finned heat dissipating ring.
5. a kind of multistage cooler for compressor according to claim 2, it is characterised in that: in the 4th pipeline (14) check valve (6.1), electric control valve (6.2) are sequentially arranged on the direction on by cold source tank (6) to cool-heat-exchanger (5).
6. a kind of multistage cooler for compressor according to claim 5, it is characterised in that: in the cooler bin (1) inside is equipped with temperature transmitter, and the probe of temperature transmitter is fixed on cooler bin (1) inside bottom, and temperature transmitter passes through PLC controller control connection electric control valve (6.2).
7. a kind of multistage cooler for compressor according to claim 2, it is characterised in that: the first pipe (11), second pipe (12), third pipeline (13), be equipped with control valve on the 4th pipeline (14).
8. a kind of multistage cooler for compressor according to claim 2, it is characterised in that: in the first pipe (11) drainpipe (8.1) are connected on, drainpipe (8.1) is equipped with drain valve.
9. a kind of multistage cooler for compressor according to claim 1, it is characterised in that: each heat-dissipating pipe (23.3) outside is uniformly socketed the second finned heat dissipating ring.
CN201810874706.9A 2018-08-03 2018-08-03 A kind of multistage cooler for compressor Pending CN108970325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810874706.9A CN108970325A (en) 2018-08-03 2018-08-03 A kind of multistage cooler for compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810874706.9A CN108970325A (en) 2018-08-03 2018-08-03 A kind of multistage cooler for compressor

Publications (1)

Publication Number Publication Date
CN108970325A true CN108970325A (en) 2018-12-11

Family

ID=64555429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810874706.9A Pending CN108970325A (en) 2018-08-03 2018-08-03 A kind of multistage cooler for compressor

Country Status (1)

Country Link
CN (1) CN108970325A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113154741A (en) * 2021-05-19 2021-07-23 东莞市天卓干冰制品有限公司 Carbon dioxide compression system for dry ice preparation

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5449653A (en) * 1977-09-27 1979-04-19 Toshiba Corp Cooling apparatus
US20070234749A1 (en) * 2006-04-05 2007-10-11 Enis Ben M Thermal energy storage system using compressed air energy and/or chilled water from desalination processes
CN202937454U (en) * 2012-10-23 2013-05-15 桂林华信制药有限公司 External compressor cooling device
CN204555448U (en) * 2015-03-13 2015-08-12 山东艾斯伦制冷设备有限公司 Refrigerator refrigeration system
CN206458672U (en) * 2016-12-29 2017-09-01 无锡市普尔换热器制造有限公司 A kind of efficient combined-type oil gas cooler
CN206556297U (en) * 2017-03-06 2017-10-13 阮树成 A kind of air-cooled liquid chillers
CN206709435U (en) * 2017-05-02 2017-12-05 新昌县科畅科技咨询有限公司 The air-cooled one-piece type refrigeration unit of water cooling
CN107726877A (en) * 2017-10-31 2018-02-23 启东天山工具有限公司 A kind of condensing unit for chemical engineering experiment
CN207598512U (en) * 2017-12-19 2018-07-10 河南省远洋粉体科技股份有限公司 Screw air compressor cooling system
CN208536482U (en) * 2018-07-25 2019-02-22 广东新锐节能服务有限公司 A kind of compressed air cooling device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5449653A (en) * 1977-09-27 1979-04-19 Toshiba Corp Cooling apparatus
US20070234749A1 (en) * 2006-04-05 2007-10-11 Enis Ben M Thermal energy storage system using compressed air energy and/or chilled water from desalination processes
CN202937454U (en) * 2012-10-23 2013-05-15 桂林华信制药有限公司 External compressor cooling device
CN204555448U (en) * 2015-03-13 2015-08-12 山东艾斯伦制冷设备有限公司 Refrigerator refrigeration system
CN206458672U (en) * 2016-12-29 2017-09-01 无锡市普尔换热器制造有限公司 A kind of efficient combined-type oil gas cooler
CN206556297U (en) * 2017-03-06 2017-10-13 阮树成 A kind of air-cooled liquid chillers
CN206709435U (en) * 2017-05-02 2017-12-05 新昌县科畅科技咨询有限公司 The air-cooled one-piece type refrigeration unit of water cooling
CN107726877A (en) * 2017-10-31 2018-02-23 启东天山工具有限公司 A kind of condensing unit for chemical engineering experiment
CN207598512U (en) * 2017-12-19 2018-07-10 河南省远洋粉体科技股份有限公司 Screw air compressor cooling system
CN208536482U (en) * 2018-07-25 2019-02-22 广东新锐节能服务有限公司 A kind of compressed air cooling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113154741A (en) * 2021-05-19 2021-07-23 东莞市天卓干冰制品有限公司 Carbon dioxide compression system for dry ice preparation

Similar Documents

Publication Publication Date Title
CN101858662A (en) Worm type air-cooled water chiller and cooling work method thereof
CN108970325A (en) A kind of multistage cooler for compressor
CN108987849A (en) A kind of straight coldplate of refrigerant
KR101283251B1 (en) intercooler having improved thermal conductivity and cooling function
CN108799064A (en) A kind of cooling device of compressor
CN207333151U (en) A kind of radiator applied on ice machine
CN206656617U (en) A kind of circulating water cooling tower
CN204716313U (en) A kind of shaft sealing cooler
CN206073766U (en) Carbon dioxide cooler and the heat pump comprising the carbon dioxide cooler
CN205676156U (en) Can be used for the pressure varying adsorption nitrogen making system of air cooling
CN205676155U (en) There is the pressure varying adsorption nitrogen making system reducing Enterprise Integrated cost function
CN109026594A (en) A method of improving compressor compresses efficiency
CN200946994Y (en) Heat exchanger for frozen compressed air dryer
CN105783560A (en) Horizontal type cooling device adopting brine
CN212362237U (en) Movable air source post air conditioner
CN213578867U (en) Air cooler
CN207066171U (en) It is a kind of that there is energy-efficient cooling tower
CN205784733U (en) A kind of horizontal chiller utilizing salt
CN217330801U (en) Carbon dioxide cooling system
CN2195972Y (en) Equipment for drying gases or vapours
CN202323091U (en) Air pumping cooling device
CN214751555U (en) Quick oil heating water cooling temperature controller
CN220366606U (en) Liquid expansion device for air separation device
CN217700684U (en) Waste heat recovery device for metallurgical cooling bed
CN213984246U (en) Energy-efficient carbon dioxide liquefying plant

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181211

RJ01 Rejection of invention patent application after publication