CN106595132A - Horizontal type single-tube-pass direct-contact condensation heat exchanger - Google Patents

Horizontal type single-tube-pass direct-contact condensation heat exchanger Download PDF

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Publication number
CN106595132A
CN106595132A CN201611221885.3A CN201611221885A CN106595132A CN 106595132 A CN106595132 A CN 106595132A CN 201611221885 A CN201611221885 A CN 201611221885A CN 106595132 A CN106595132 A CN 106595132A
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CN
China
Prior art keywords
welded
stop valve
tube
tube sheet
heat exchanger
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
CN201611221885.3A
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Chinese (zh)
Inventor
宁静红
李超飞
梁友才
朱宗升
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Tianjin University of Commerce
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Tianjin University of Commerce
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 Tianjin University of Commerce filed Critical Tianjin University of Commerce
Priority to CN201611221885.3A priority Critical patent/CN106595132A/en
Publication of CN106595132A publication Critical patent/CN106595132A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • 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
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00Subcoolers, desuperheaters or superheaters
    • F25B40/02Subcoolers

Abstract

The invention discloses a horizontal type single-tube-pass direct-contact condensation heat exchanger. According to the horizontal type single-tube-pass direct-contact condensation heat exchanger, a partition baffle is provided with multiple tiny through holes, and the partition baffle is connected with a first tube plate, a second tube plate and the inner walls of axial side faces of the two sides of a cylinder body in a welded manner at contact positions; the upper half portion of the first pipe plate and the upper half portion of the second pipe plate are provided with multiple heat exchange tube holes, and each end of each heat exchange tube is inserted into the corresponding heat exchange tube hole and connected with the corresponding heat exchange tube hole in a welded manner; the upper portion of the cylinder body is provided with a hole opening which is welded to a parallel outlet connection pipe of a first high-temperature gas stop valve and a liquid supply stop valve, the bottom of the cylinder body is provided with a hole opening which is welded to a parallel inlet connection pipe of a overcool liquid stop valve and a liquid supply pump, and a hole opening which is welded to a connecting pipe of a second high-temperature gas stop valve is formed at the position, close to the partition baffle, of the lower portion of the cylinder body. The horizontal type single-tube-pass direct-contact condensation heat exchanger can effectively lower the exhaust temperature of a refrigeration compressor, reduce the pressure ratio, improve the performance of a refrigerating system and is simple in structure, convenient to operate and capable of protecting the environment and saving energy.

Description

Horizontal monotube journey directly contact condensing heat exchanger
Technical field
The present invention relates to a kind of refrigeration technology field, more particularly to a kind of horizontal monotube journey directly contact condensation heat transfer Device.
Background technology
In water-cooled condensation refrigerating system, the high temperature and high pressure gas that refrigeration compressor is discharged take away heat by water cooling medium Amount, cooling condenses into the liquid of HTHP, and cold-producing medium is exchanged with cooling water heat, needs the fluid convection heat exchange of Jing both sides and heat exchanger The heat conduction of heat transfer wall, the thermal resistance that the lubricating oil that particularly heat exchanger heat transfer wall itself and wall gather is formed with dirt, Heat transfer coefficient is caused to decline, same heat exchange area distributes the heat transfer temperature between cold-producing medium and cooling medium needed for same heat Difference increase, the pressure at expulsion for causing refrigeration compressor is raised, and pressure ratio increase, volumetric efficiency is reduced, and the wasted work of refrigeration compressor increases Many, the coefficient of performance of refrigeration system declines, if the cold-producing medium supercooling before reducing pressure by regulating flow, can increase the refrigeration of evaporimeter Amount, the corresponding performance for improving refrigeration system, therefore, the heat exchanger of directly contact coagulation band supercooling is developed, reduce refrigeration compressor Delivery temperature, reduce pressure ratio, improve volumetric efficiency, reduce refrigeration compressor wasted work, increase refrigerating capacity, improve refrigeration system The performance of system, realizes energy-conserving and environment-protective.But embodiment is there are no at present.
The content of the invention
The purpose of the present invention is the technological deficiency existed for existing refrigeration system, there is provided a kind of horizontal monotube journey directly connects Tactile condensing heat exchanger, to improve the runnability of refrigeration system.
To realize that the technical scheme that the purpose of the present invention is adopted is:
A kind of horizontal monotube journey directly contact condensing heat exchanger, including the first high-temperature gas stop valve, the second tube sheet, separation Plate, the second end cap, feed pipe, the second high-temperature gas stop valve, solution feed pump, the first tube sheet, through hole, separation baffles, support, supercooling Liquid stop valve, cylinder, heat exchanger tube, cooling water outlet pipe, cutoff, the first end cap and cooling water inlet pipe.
The separation baffles are rectangle, which is provided with multiple micro-through-holes, itself and the first tube sheet, the both sides axial direction of cylinder Side inner walls contact position is welded to connect;Demarcation strip is semicircle, and it is welded to connect with the second end cap contact position;Second tube sheet For circle, it is in close contact with separation baffles, and the position contacted with cylinder is welded to connect, and it is located at the top half of separation baffles Multiple heat exchange pores are provided with, one end of heat exchanger tube are inserted and is welded to connect;First tube sheet is circle, itself and separation baffles and cylinder The position of contact be respectively welded connection, its top half for being located at separation baffles is provided with multiple heat exchange pores, inserts heat exchanger tube One end and be welded to connect.
The cylinder is cylindrical shape, the top of cylinder offer with the first high-temperature gas stop valve, cutoff and The aperture of connection outlet connecting pipe welding, bottom offers the hole welded with supercooled liquid stop valve, solution feed pump parallel entry connecting tube Mouthful, lower position near separation baffles, offer the aperture welded with the connecting tube of the second high-temperature gas stop valve, first end Closely connected by gasket seal and connecting bolt between lid and the first tube sheet, the second end cap and the second tube sheet.
The vent connection of the first high-temperature gas stop valve, the entrance of the second high-temperature gas stop valve and refrigeration compressor It is welded to connect, supercooled liquid stop valve is welded to connect with the inlet connection of reducing pressure by regulating flow element.
The import and export of the solution feed pump are welded to connect respectively with two sections of feed pipes.
The described bottom for being erected at cylinder, one end is welded to connect with the outer wall of cylinder, on the basis of the other end is fixed on.
The cooling water outlet pipe is connected with the pump entrance of cooling water circulation, and cooling water inlet pipe goes out with cooling tower Water adapter connection.
The first high-temperature gas stop valve, the second high-temperature gas stop valve, solution feed pump, supercooled liquid stop valve and feed flow cut Only valve is opened and closed by the control of liquid-level floater valve.
Compared with prior art, the invention has the beneficial effects as follows:
1st, horizontal monotube journey directly contact condensing heat exchanger of the invention, directly contact condenses and one is subcooled, using height The refrigerant gas of warm high pressure are released heat and are condensed with liquid directly contact, can be effectively reduced the exhaust temperature of refrigeration compressor Degree, reduces pressure ratio, improves volumetric efficiency, reduces the wasted work of refrigeration compressor, improves the performance of refrigeration system.
2nd, horizontal monotube journey directly contact condensing heat exchanger of the invention, realizes mistake before high temperature high pressure liquid reducing pressure by regulating flow It is cold so that the enthalpy into evaporimeter is reduced, and puies forward big refrigerant system capacity, further improves the performance of refrigeration system, structure Simply, easy to operate, environmental protection, energy saving.
Description of the drawings
Fig. 1 show the schematic diagram of the horizontal monotube journey directly contact condensing heat exchanger of the present invention;
Fig. 2 show A to schematic diagram.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
The horizontal monotube journey directly contact condensing heat exchanger schematic diagram of the present invention as depicted in figs. 1 and 2, including the first high temperature Gas stop valve 1, the second tube sheet 2, demarcation strip 3, the second end cap 4, feed pipe 5, the second high-temperature gas stop valve 6, solution feed pump 7, First tube sheet 8, through hole 9, separation baffles 10, support 11, supercooled liquid stop valve 12, cylinder 13, heat exchanger tube 14, cooling water outlet pipe 15th, cutoff 16, the first end cap 17 and cooling water inlet pipe 18.
The horizontal positioned of the cylinder 13, the first tube sheet 8 and the second tube sheet 2 are circle, and the first tube sheet 8 and the second tube sheet are distinguished Fix with the two ends of cylinder, the first end cap 17 and the second end cap 4 for hemispherical, the first end cap 17 and the second end cap circular base Fix with the first tube sheet 8 and the second tube sheet 2 respectively;
The separation baffles 10 are rectangle, and separation baffles 10 are provided with multiple micro-through-holes 9, separation baffles 10 respectively with The inwall contact position of the first tube sheet 8, the second tube sheet 2 and cylinder 13 is welded to connect;Demarcation strip 3 is semicircle, the semicircle of demarcation strip 3 Shape periphery is welded to connect with the contact position of the second end cap 4, and the base of demarcation strip 3 is welded to connect with the contact position of the second tube sheet 2;Second Tube sheet 2 is located at the top half of separation baffles 10 and is provided with multiple heat exchange pores, and multiple heat exchange pores insert one end of heat exchanger tube 14 And be welded to connect;First tube sheet 8 is located at the other end of the top half insertion heat exchanger tube 14 of separation baffles 10 and is welded to connect;
The cylinder 13 is cylindrical shape, and the top of cylinder 13 offers and the first high-temperature gas stop valve 1, cutoff The aperture of 16 outlet connecting pipe in parallel welding, the bottom of cylinder 13 offers and supercooled liquid stop valve 12, the parallel entry of solution feed pump 7 The aperture of connecting tube welding, the medium position of cylinder 13 offers the aperture welded with the connecting tube of the second high-temperature gas stop valve 6, Cutoff 16 connects solution feed pump 7 by feed pipe 5;First end cap 17 and the first tube sheet 8, the second end cap 4 and the second tube sheet 2 Between closely connected by gasket seal and connecting bolt.
The first high-temperature gas stop valve 1, the entrance of the second high-temperature gas stop valve 6 and the exhaust of refrigeration compressor connect Pipe is welded to connect, and supercooled liquid stop valve 12 is welded to connect with the inlet connection of reducing pressure by regulating flow element.
The import and export of the solution feed pump 7 are welded to connect respectively with two sections of feed pipes 5.
The support 11 is located at the bottom of cylinder 13, and one end is welded to connect with the outer wall of cylinder 13, and the other end is fixed on On the basis of.
The cooling water outlet pipe 15 is connected with the pump entrance of cooling water circulation, cooling water inlet pipe 18 and cooling tower Water outlet pipe connection.
The first high-temperature gas stop valve 1, the second high-temperature gas stop valve 6, solution feed pump 7, the and of supercooled liquid stop valve 12 Cutoff 16 is opened and closed by the control of liquid-level floater valve.
During assembling, cylinder 13 is welded with the first tube sheet 8, and separation baffles 10 are welded respectively with cylinder 13, the first tube sheet 8, the Two tube sheets 2 are welded with cylinder 13, are worn heat exchanger tube 14 in the heat exchange pore of the first tube sheet 8, the second tube sheet 2 and are welded, by the Two end caps 4 are welded to connect respectively with enfeoffment plate 3, cooling water inlet pipe 18, the weldering of the first end cap 17 and cooling water outlet pipe 15 Connect in succession, in the corresponding orifice position of cylinder 13 each adapter, welding support 11 are welded.
During refrigeration system startup optimization, refrigerant gas Jing oil eliminators of the HTHP that refrigeration compressor is discharged, the One high-temperature gas stop valve 1 enters the upper of the first tube sheet 8, the second tube sheet 2, cylinder 13, heat exchanger tube 14 and separation baffles 10 composition Cooling water in portion space, with heat exchanger tube carries out heat exchange, releases heat, the bottom of high temperature high pressure liquid Jing separation baffles 10 of condensation The micro-through-hole 9 in portion enters the space of bottom, and when bottom liquid level is to setting liquid level, the first high-temperature gas stop valve 1 is closed, the Two high-temperature gas stop valves 6, solution feed pump 7, cutoff 16 are opened, liquid solution feed pump 7 promotion under, into the first tube sheet 8, The upper space of the second tube sheet 2, cylinder 13, heat exchanger tube 14 and separation baffles 10 composition, with the cooling water in heat exchanger tube heat is carried out Exchange, release heat supercooling, the micro-through-hole 9 of Jing separation baffles 10 enters the space of bottom, and cut through the second high-temperature gas Only valve 6 is straight into the high temperature and high pressure gas of the lower space of the first tube sheet 8, the second tube sheet 2, cylinder 13 and separation baffles 10 composition Contact, gas condensation enters reducing pressure by regulating flow element, provides low temperature for evaporimeter low into liquid, liquid through cold liquid stop valve 12 The refrigerant liquid of pressure;The cooling water Jing cooling water inlet pipes 18 of Jing cooling towers cooling, the second tube sheet 2, demarcation strip 3 and second The space of end cap 4 is entered in heat exchanger tube, and after the heat of absorption refrigeration agent, Jing cooling water outlet pipes 15, water pump pump into cooling tower.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications Also should be regarded as protection scope of the present invention.

Claims (3)

1. a kind of horizontal monotube journey directly contact condensing heat exchanger, including the first high-temperature gas stop valve, the second tube sheet, separation Plate, the second end cap, feed pipe, the second high-temperature gas stop valve, solution feed pump, the first tube sheet, through hole, separation baffles, support, supercooling Liquid stop valve, cylinder, heat exchanger tube, cooling water outlet pipe, cutoff, the first end cap and cooling water inlet pipe;
The cylinder horizontal positioned, the first tube sheet and the second tube sheet are circle, the first tube sheet and the second tube sheet respectively with cylinder Both ends of the surface are fixed, the first end cap and the second end cap for hemispherical, the first end cap and the second end cap circular base respectively with first Tube sheet and the second tube sheet are fixed;
The separation baffles are rectangle, and separation baffles are provided with multiple micro-through-holes, separation baffles respectively with the first tube sheet, the The inwall contact position of two tube sheets and cylinder is welded to connect;Demarcation strip is semicircle, demarcation strip semicircle periphery and the second end cap Contact position is welded to connect, and demarcation strip base is welded to connect with the second tube sheet contact position;Second tube sheet is located at separation baffles Top half is provided with multiple heat exchange pores, and one end of multiple heat exchange pore insertion heat exchanger tubes is simultaneously welded to connect;First tube sheet is located at The other end of the top half insertion heat exchanger tube of separation baffles is simultaneously welded to connect;
The cylinder is cylindrical shape, the top of cylinder offer with the first high-temperature gas stop valve, cutoff it is in parallel go out The aperture of mouth connecting tube welding, cylinder body bottom offers the hole welded with supercooled liquid stop valve, solution feed pump parallel entry connecting tube Mouthful, cylinder medium position offers the aperture welded with the connecting tube of the second high-temperature gas stop valve, and cutoff is by supplying Liquid pipe connects solution feed pump;By gasket seal and connecting bolt between the first end cap and the first tube sheet, the second end cap and the second tube sheet Closely connection.
2. horizontal monotube journey directly contact condensing heat exchanger according to claim 1, it is characterised in that first high temperature The vent connection of gas stop valve, the entrance of the second high-temperature gas stop valve and refrigeration compressor is welded to connect, supercooled liquid cut-off Valve is welded to connect with the inlet connection of reducing pressure by regulating flow element;The import and export of the solution feed pump are welded to connect respectively with feed pipe.
3. horizontal monotube journey directly contact condensing heat exchanger according to claim 1, it is characterised in that first high temperature Gas stop valve, the second high-temperature gas stop valve, solution feed pump, supercooled liquid stop valve and cutoff are controlled by liquid-level floater valve Open and close.
CN201611221885.3A 2016-12-27 2016-12-27 Horizontal type single-tube-pass direct-contact condensation heat exchanger Pending CN106595132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611221885.3A CN106595132A (en) 2016-12-27 2016-12-27 Horizontal type single-tube-pass direct-contact condensation heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611221885.3A CN106595132A (en) 2016-12-27 2016-12-27 Horizontal type single-tube-pass direct-contact condensation heat exchanger

Publications (1)

Publication Number Publication Date
CN106595132A true CN106595132A (en) 2017-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11142023A (en) * 1997-06-16 1999-05-28 Halla Aircon Co Ltd Multi-stage vapor-liquid separation type condenser
CN202869091U (en) * 2012-10-26 2013-04-10 北京汽车股份有限公司 Air conditioner condenser structure
CN203216302U (en) * 2012-12-12 2013-09-25 天津商业大学 Water-cooled condenser with condensation water washed by injected air
CN203629153U (en) * 2013-12-10 2014-06-04 特灵空调系统(中国)有限公司 Heat-exchange reinforced super cooler structure in shell-tube condenser
CN106196755A (en) * 2016-08-17 2016-12-07 上海冰核时代科技中心(有限合伙) Shell and tube condenser and air conditioning system
CN206420192U (en) * 2016-12-27 2017-08-18 天津商业大学 Horizontal monotube journey directly contacts condensing heat exchanger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11142023A (en) * 1997-06-16 1999-05-28 Halla Aircon Co Ltd Multi-stage vapor-liquid separation type condenser
CN202869091U (en) * 2012-10-26 2013-04-10 北京汽车股份有限公司 Air conditioner condenser structure
CN203216302U (en) * 2012-12-12 2013-09-25 天津商业大学 Water-cooled condenser with condensation water washed by injected air
CN203629153U (en) * 2013-12-10 2014-06-04 特灵空调系统(中国)有限公司 Heat-exchange reinforced super cooler structure in shell-tube condenser
CN106196755A (en) * 2016-08-17 2016-12-07 上海冰核时代科技中心(有限合伙) Shell and tube condenser and air conditioning system
CN206420192U (en) * 2016-12-27 2017-08-18 天津商业大学 Horizontal monotube journey directly contacts condensing heat exchanger

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