CN206420192U - Horizontal monotube journey directly contacts condensing heat exchanger - Google Patents

Horizontal monotube journey directly contacts condensing heat exchanger Download PDF

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Publication number
CN206420192U
CN206420192U CN201621440379.9U CN201621440379U CN206420192U CN 206420192 U CN206420192 U CN 206420192U CN 201621440379 U CN201621440379 U CN 201621440379U CN 206420192 U CN206420192 U CN 206420192U
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CN
China
Prior art keywords
tube sheet
stop valve
tube
welded
cylinder
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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.)
Expired - Fee Related
Application number
CN201621440379.9U
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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
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Application filed by Tianjin University of Commerce filed Critical Tianjin University of Commerce
Priority to CN201621440379.9U priority Critical patent/CN206420192U/en
Application granted granted Critical
Publication of CN206420192U publication Critical patent/CN206420192U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Condensing heat exchanger is directly contacted the utility model discloses a kind of horizontal monotube journey.The utility model separation baffles are provided with multiple micro-through-holes, and the both sides axial sides inwall contact position of itself and the first tube sheet, cylinder is welded to connect;The top half of first tube sheet and the second tube sheet is provided with multiple heat exchange pores, and one end of heat exchanger tube is inserted respectively and is welded to connect;Cylinder top offers the aperture with the outlet connecting pipe in parallel welding of the first high-temperature gas stop valve, cutoff, bottom offers the aperture with supercooled liquid stop valve, the welding of solution feed pump parallel entry connecting tube, lower position close to separation baffles, offers aperture with the welding of the connecting tube of the second high-temperature gas stop valve.The utility model can be effectively reduced the delivery temperature of refrigeration compressor, reduce pressure ratio, improve the performance of refrigeration system, simple in construction, easy to operate, environmental protection, the saving energy.

Description

Horizontal monotube journey directly contacts condensing heat exchanger
Technical field
The utility model is related to a kind of refrigeration technology field, and more particularly to a kind of horizontal monotube journey directly contacts condensation and changed Hot device.
Background technology
In water-cooled condensation refrigerating system, the high temperature and high pressure gas of refrigeration compressor discharge take away heat by water cooling medium Amount, cooling condenses into the liquid of HTHP, and refrigerant is exchanged with cooling water heat, need to be through the heat exchange of both sides fluid convection and heat exchanger The heat conduction of heat transfer wall, particularly heat exchanger heat transfer wall in itself and the lubricating oil that gathers of wall and the thermal resistance of dirt formation, Heat transfer coefficient is caused to decline, same heat exchange area distributes the heat transfer temperature between refrigerant and cooling medium needed for same heat Difference increase, causes the pressure at expulsion of refrigeration compressor to raise, and pressure ratio increase, volumetric efficiency reduction, the wasted work of refrigeration compressor increases Many, the coefficient of performance of refrigeration system declines, if the refrigerant supercooling before reducing pressure by regulating flow, can increase the refrigeration of evaporator Amount, the corresponding performance for improving refrigeration system, therefore, the heat exchanger of exploitation directly contact coagulation band supercooling 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.
Utility model content
The purpose of this utility model be for existing refrigeration system exist technological deficiency there is provided a kind of horizontal monotube Cheng Zhi Contact condensing heat exchanger, to improve the runnability of refrigeration system.
To realize that the technical scheme that the purpose of this utility model is used is:
A kind of horizontal monotube journey directly contacts 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, and it is with the first tube sheet, the both sides of cylinder axial direction 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 Provided with multiple heat exchange pores, insert one end of heat exchanger tube and be welded to connect;First tube sheet is circle, itself and separation baffles and cylinder The position of contact connection is respectively welded, 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 Join the aperture of outlet connecting pipe welding, bottom offers the hole with supercooled liquid stop valve, the welding of solution feed pump parallel entry connecting tube Mouthful, lower position close to separation baffles, offer aperture with the welding of 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, the inlet connection of supercooled liquid stop valve and reducing pressure by regulating flow element is welded to connect.
The import and export of the solution feed pump are welded to connect with two sections of feed pipes respectively.
The branch is erected at the bottom of cylinder, and the outer wall of one end and cylinder is welded to connect, on the basis of the other end is fixed on.
The pump entrance connection of the cooling water outlet pipe and cooling water circulation, cooling water inlet pipe and cooling tower go out 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 are cut Only valve is controlled to open and close by liquid-level floater valve.
Compared with prior art, the beneficial effects of the utility model are:
1st, horizontal monotube journey of the present utility model directly contacts condensing heat exchanger, and directly contact condenses and supercooling one, profit Releasing heat is directly contacted with liquid to condense, can be effectively reduced the row of refrigeration compressor with the refrigerant gas of HTHP Temperature degree, reduces pressure ratio, improves volumetric efficiency, reduces the wasted work of refrigeration compressor, improves the performance of refrigeration system.
2nd, horizontal monotube journey of the present utility model directly contacts condensing heat exchanger, realizes before high temperature high pressure liquid reducing pressure by regulating flow Supercooling so that entering the enthalpy of evaporator reduces, and puies forward big refrigerant system capacity, further improves the performance of refrigeration system, knot Structure is simple, easy to operate, environmental protection, the saving energy.
Brief description of the drawings
Fig. 1 show the schematic diagram that horizontal monotube journey of the present utility model directly contacts condensing heat exchanger;
Fig. 2 show A to schematic diagram.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Horizontal monotube journey of the present utility model directly contacts condensing heat exchanger schematic diagram as depicted in figs. 1 and 2, including 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, feed flow Pump 7, the 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 go out Water pipe 15, cutoff 16, the first end cap 17 and cooling water inlet pipe 18.
The horizontal positioned of cylinder 13, the first tube sheet 8 and the second tube sheet 2 are circle, the first tube sheet 8 and the second tube sheet difference Fixed with the two ends of cylinder, the first end cap 17 and the circular base that the second end cap 4 is hemispherical, the first end cap 17 and the second end cap Fixed respectively with the first tube sheet 8 and the second tube sheet 2;
The separation baffles 10 be rectangle, separation baffles 10 be provided with multiple micro-through-holes 9, separation baffles 10 respectively with The inwall contact position of 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 The top half that tube sheet 2 is located at separation baffles 10 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 is offered 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 is offered 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 with the connecting tube welding 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 exhaust of the entrance and refrigeration compressor of the second high-temperature gas stop valve 6 connect Pipe is welded to connect, and the inlet connection of supercooled liquid stop valve 12 and reducing pressure by regulating flow element is welded to connect.
The import and export of the solution feed pump 7 are welded to connect with two sections of feed pipes 5 respectively.
The support 11 is located at the bottom of cylinder 13, and one end and the outer wall of cylinder 13 are welded to connect, 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 controlled to open and close by liquid-level floater valve.
During assembling, cylinder 13 is welded with the first tube sheet 8, and separation baffles 10 are welded with cylinder 13, the first tube sheet 8 respectively, 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 with enfeoffment plate 3, cooling water inlet pipe 18 respectively, the weldering of the first end cap 17 and cooling water outlet pipe 15 Connect in succession, each adapter, welding support 11 is welded in the corresponding orifice position of cylinder 13.
During refrigeration system startup optimization, the refrigerant gas of the HTHP of refrigeration compressor discharge is through oil eliminator, 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 the composition of separation baffles 10 Portion space, heat exchange is carried out with the cooling water in heat exchanger tube, releases heat, the high temperature high pressure liquid of condensation is through the bottom of separation baffles 10 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 that second tube sheet 2, cylinder 13, heat exchanger tube 14 and separation baffles 10 are constituted, heat is carried out with the cooling water in heat exchanger tube Exchange, release heat supercooling, the micro-through-hole 9 through separation baffles 10 enters the space of bottom, with being cut by the second high-temperature gas Only the high temperature and high pressure gas for the lower space that valve 6 is constituted into the first tube sheet 8, the second tube sheet 2, cylinder 13 and separation baffles 10 are straight Contact, gas condensation enters reducing pressure by regulating flow element through supercooled liquid stop valve 12, provides low temperature for evaporator low into liquid, liquid The refrigerant liquid of pressure;The cooling water cooled through cooling tower is through cooling water inlet pipe 18, the second tube sheet 2, demarcation strip 3 and second The space of end cap 4 enters in heat exchanger tube, and after the heat of absorption refrigeration agent, cooling tower is pumped into through cooling water outlet pipe 15, water pump.
Described above is only preferred embodiment of the present utility model, it is noted that for the general of the art For logical technical staff, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these change Enter and retouch and also should be regarded as protection domain of the present utility model.

Claims (3)

1. a kind of horizontal monotube journey directly contacts 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, and the first end cap and the second end cap are hemispherical, and the circular base of the first end cap and the second end cap is 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 with supercooled liquid stop valve, the welding of solution feed pump parallel entry connecting tube Mouthful, cylinder medium position offers the aperture with the connecting tube welding of the second high-temperature gas stop valve, and cutoff is by supplying Liquid pipe connects solution feed pump;Pass through gasket seal and connecting bolt between first end cap and the first tube sheet, the second end cap and the second tube sheet Close connection.
2. horizontal monotube journey according to claim 1 directly contacts condensing heat exchanger, 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 The inlet connection of valve and reducing pressure by regulating flow element is welded to connect;The import and export of the solution feed pump are welded to connect with feed pipe respectively.
3. horizontal monotube journey according to claim 1 directly contacts condensing heat exchanger, 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.
CN201621440379.9U 2016-12-27 2016-12-27 Horizontal monotube journey directly contacts condensing heat exchanger Expired - Fee Related CN206420192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621440379.9U CN206420192U (en) 2016-12-27 2016-12-27 Horizontal monotube journey directly contacts condensing heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621440379.9U CN206420192U (en) 2016-12-27 2016-12-27 Horizontal monotube journey directly contacts condensing heat exchanger

Publications (1)

Publication Number Publication Date
CN206420192U true CN206420192U (en) 2017-08-18

Family

ID=59575819

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621440379.9U Expired - Fee Related CN206420192U (en) 2016-12-27 2016-12-27 Horizontal monotube journey directly contacts condensing heat exchanger

Country Status (1)

Country Link
CN (1) CN206420192U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170818

Termination date: 20171227