CN103480248A - Refrigeration type drying machine - Google Patents
Refrigeration type drying machine Download PDFInfo
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- CN103480248A CN103480248A CN201310452378.0A CN201310452378A CN103480248A CN 103480248 A CN103480248 A CN 103480248A CN 201310452378 A CN201310452378 A CN 201310452378A CN 103480248 A CN103480248 A CN 103480248A
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Abstract
The invention discloses a refrigeration type drying machine and aims at overcoming the defects of energy waste and heat exchange efficiency reduction easily caused by split-type arrangement of a precooler, an evaporator and a condenser of a refrigeration type drying machine in the prior art and the high manufacturing cost caused by the huge overall structure of the refrigeration type drying machine. The refrigeration type drying machine comprises a refrigeration device and a heat exchange device, wherein the heat exchange device comprises a cylinder and a heat exchange tube installed inside the cylinder; two ends of the heat exchange tube adopt stepped structures; the heat exchange tube comprises a refrigerant evaporator tube, a compressed gas evaporator tube, a compressed gas precooler tube and a refrigerant cooling tube sequentially from inside to outside; and heat exchange sheets are arranged between the outer wall of the refrigerant evaporator tube and the inner wall of the compressed gas evaporator tube, between the outer wall of the compressed gas evaporator tube and the inner wall of the compressed gas precooler tube and between the outer wall of the compressed gas precooler tube and the inner wall of the refrigerant cooling tube. According to the refrigeration type drying machine, the precooler, the evaporator and the condenser are combined, so that the heat exchange efficiency is high, and the manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of gas dehumidification drying device, more particularly, it relates to the cooling driers that a kind of heat exchange efficiency is high.
Background technology
Cooling driers is the abbreviation of freezing type drier, and it is to utilize refrigerating plant to reduce the temperature of saturated Compressed Gas, separate out the part water vapour, and separate discharge by moisture trap, thereby the dew-point temperature of reduction Compressed Gas makes Compressed Gas obtain drying.The heat exchanger components of cooling driers is mainly forecooler, evaporimeter and condenser.Compressed Gas is forced to cooling in evaporimeter, and in Compressed Gas, the saturated water vapour water that is in a liquid state that therefore condenses, separated and discharged by moisture trap.The forecooler Main Function is the heat exchange duty in order to reduce evaporimeter and then reduces the refrigerant compression acc power, contributes in addition to improve the delivery temperature of Compressed Gas in case the pipeline dewfall of transporting compressed gas body.Condenser is the heat exchanger components that refrigeration system maintains operation.At present, the forecooler of most of cooling driers, evaporimeter and condenser three are split type settings, and this has increased a lot of external connecting pipes road in the middle of invisible, the more interfaces of pipeline are more, potential leak source is also more, easily causes the waste of energy, thereby reduces heat exchange efficiency.And split type structure makes the cooling driers overall structure huge, take up an area space large, manufacturing cost is high.
Chinese patent notification number CN202061530U, a kind of cooling driers is disclosed, comprise casing, be arranged on hungry refrigeration compressor, condenser, evaporimeter, moisture trap and pipeline and valve for connection is installed in casing, upper end of evaporator section has through hole, through hole is connected with valve, refrigeration compressor, condenser successively by pipeline, the bottom of evaporimeter is connected with moisture trap by pipeline, and the heat exchanger in evaporimeter adopts corrugated plating chip heat exchanger.Adopt the heat exchanger of corrugated plate dst can improve the heat transfer effect of heat exchanger, simplification device, reduce costs.But condenser and evaporimeter are split type settings, this has increased a lot of external connecting pipes road in the middle of invisible, and the more interfaces of pipeline are more, and potential dew point is also more, easily causes the waste of energy, thereby reduces heat exchange efficiency.And split type structure makes the refrigerator overall structure huge, take up an area space large, manufacturing cost is high.Plate-sheet-type is because fluid passage is little, and resistance is large, and when fluid passes through, the pressure loss is large, therefore makes energy waste.There is no in addition forecooler, cooling load is large, and energy consumption is high.
Summary of the invention
It is split type setting that the present invention has overcome the forecooler of cooling driers in the prior art, evaporimeter and condenser three, easily causes the waste of energy, thereby reduces heat exchange efficiency; And forecooler is less, Load Evaporator causes greatly refrigeration work consumption high, and whole energy consumption is high; And the cooling driers overall structure is huge, the occupation of land space is large, and the deficiency that manufacturing cost is high, provide a kind of cooling driers, and it,, by the fit setting of forecooler, evaporimeter and condenser three, is difficult for causing the waste of energy, and heat exchange efficiency is high; The cooling driers compact conformation, volume is little, and the occupation of land space is little, low cost of manufacture.
In order to solve the problems of the technologies described above, the present invention is by the following technical solutions: a kind of cooling driers, comprise refrigerating plant, the heat-exchanger rig be connected by pipeline with refrigerating plant, heat-exchanger rig comprises cylindrical shell, be arranged on the some heat exchanger tubes in cylindrical shell, the two ends of heat exchanger tube all are step-like structure, heat exchanger tube is from the interior refrigerant evaporator pipe that is followed successively by outward, the Compressed Gas evaporator tube, Compressed Gas precooling organ pipe, the refrigerant cools pipe, between refrigerant evaporator pipe outer wall and Compressed Gas evaporator tube inwall, be equipped with heat exchanger fin between Compressed Gas evaporator tube outer wall and Compressed Gas forecooler inside pipe wall and between Compressed Gas precooling organ pipe outer wall and refrigerant cools inside pipe wall, be provided with successively from top to bottom the refrigerant evaporator epicoele of mutual seal isolation in cylindrical shell, Compressed Gas evaporimeter epicoele, Compressed Gas forecooler epicoele, cooling water condensation device epicoele, the condensation of refrigerant chamber, cooling water condensation device cavity of resorption, Compressed Gas forecooler cavity of resorption, Compressed Gas evaporimeter cavity of resorption, the refrigerant evaporator cavity of resorption, the two ends of refrigerant evaporator pipe are communicated with respectively refrigerant evaporator epicoele and refrigerant evaporator cavity of resorption, the two ends of Compressed Gas evaporator tube are communicated with respectively Compressed Gas evaporimeter epicoele and Compressed Gas evaporimeter cavity of resorption, Compressed Gas precooling organ pipe two ends are communicated with respectively Compressed Gas forecooler epicoele and Compressed Gas forecooler cavity of resorption, refrigerant cools pipe two ends are communicated with respectively cooling water condensation device epicoele and cooling water condensation device cavity of resorption, on cylindrical shell, refrigerant evaporator epicoele position is provided with the refrigerant evaporator outlet, refrigerant evaporator cavity of resorption position is provided with the refrigerant evaporator import, Compressed Gas evaporimeter epicoele position is provided with the Compressed Gas material inlet, Compressed Gas evaporimeter cavity of resorption position is provided with the Compressed Gas evaporator outlet, Compressed Gas forecooler epicoele position is provided with the Compressed Gas product outlet, Compressed Gas forecooler cavity of resorption position is provided with the import of Compressed Gas forecooler, cooling water condensation device epicoele position is provided with coolant outlet, cooling water condensation device cavity of resorption position is provided with cooling water inlet, position, condensation of refrigerant chamber is provided with refrigerant condenser import and refrigerant condenser outlet, the Compressed Gas evaporator outlet connects the import of moisture trap, the outlet of moisture trap connects the import of Compressed Gas forecooler.
The gas-liquid mixed low temperature that refrigerating plant transfers out (2-3 ℃ of left and right) cold-producing medium is sent in refrigerant evaporator cavity of resorption e0 from refrigerant evaporator import e1, and be transported in refrigerant evaporator epicoele e by the refrigerant evaporator pipe, last cold-producing medium (19-25 ℃ of left and right) outputs in refrigerating plant from the refrigerant evaporator outlet.The high temperature that refrigerating plant is sent (70 ℃ of left and right) cold-producing medium is sent to the cavity of resorption a0 position in condensation of refrigerant chamber from refrigerant condenser import a1, cold-producing medium refrigerant condenser outlet a2 from the epicoele a position in condensation of refrigerant chamber after the condensation in condensation of refrigerant chamber outputs in refrigerating plant.Cooling water enters in cooling water condensation device cavity of resorption b0 from cooling water inlet b1, arrives after the refrigerant cools of flowing through pipe in cooling water condensation device epicoele b, and flows out from cooling water condensation device outlet b2.The Compressed Gas material inlet d1 of Compressed Gas from cylindrical shell enters in Compressed Gas evaporimeter epicoele d, and flow in Compressed Gas evaporimeter cavity of resorption d0 by Compressed Gas precooling organ pipe, Compressed Gas evaporator outlet d2 from cylindrical shell outputs in moisture trap, Compressed Gas is isolated aqueous water and is discharged by water trap through moisture trap, Compressed Gas after moisture trap is by Compressed Gas forecooler import input Compressed Gas forecooler cavity of resorption c0, then the Compressed Gas precooling organ pipe of flowing through arrives Compressed Gas forecooler epicoele c, last Compressed Gas (38 ℃ of left and right) transfers out from Compressed Gas product outlet c2.Low-temperature refrigerant in the refrigerant evaporator pipe carries out cooling to the Compressed Gas in the Compressed Gas evaporator tube, make the Compressed Gas of sending from Compressed Gas evaporator outlet d2 become the gas-liquid mixture of 2-3 ℃, and isolate liquid water through moisture trap and discharge moisture trap, and gas is transported in Compressed Gas forecooler cavity of resorption c0 by Compressed Gas forecooler import c1, and export from Compressed Gas product outlet c2 by after the heat exchange effect of Compressed Gas precooling organ pipe.Cooling water in the refrigerant cools pipe carries out condensation to the cold-producing medium in the condensation of refrigerant chamber on the one hand, on the other hand the Compressed Gas in the Compressed Gas evaporimeter is heated.Compressed Gas in Compressed Gas precooling organ pipe carries out pre-cooled to the Compressed Gas in the Compressed Gas evaporator tube, heat exchange area is large, and the forecooler load is large, and Load Evaporator is little, has reduced the power of refrigerating plant, reduces power consumption.And because heat exchange area is large, the cooling driers relatively general from the finished product gas temperature of Compressed Gas product outlet output is higher, carries the pipeline of finished product gas to be difficult for frosting.Between refrigerant evaporator pipe outer wall and Compressed Gas evaporator tube inwall, between Compressed Gas evaporator tube outer wall and Compressed Gas forecooler inside pipe wall and be equipped with heat exchanger fin between Compressed Gas precooling organ pipe outer wall and refrigerant cools inside pipe wall, greatly increased the heat transfer effect of heat exchanger tube.Cooling driers is by the fit setting of forecooler, evaporimeter and condenser three, and extraneous contact area is little, and energy loss is few, is difficult for causing the waste of energy, and heat exchange efficiency is high, and resource utilization is high; The cooling driers compact conformation, volume is little, and the occupation of land space is little, low cost of manufacture.
As preferably, heat exchanger fin is long tubular structure, and the cross section of heat exchanger fin comprises some connection reinforcement sections and some vibration sections, and connection reinforcement section and vibration section are arranged alternately and join end to end, and the connection reinforcement section radially arranges, a vibration section undulate structure.
The heat exchanger fin of long tubular structure facilitates passing through of gas and liquid, and heat exchanger fin does not have elbow and bending, and the pressure loss is little, and coefficient of refrigerating performance is high, and heat transfer effect is remarkable, and comprehensive energy consumption is low.Heat exchanger fin has increased heat exchange area greatly, strengthens heat transfer effect.Connect the vibration section between adjacent two connection reinforcement sections and form N shape structure, heat exchanger fin is thinner has certain pliability, under the impact of pressure medium, corrugated vibration section produces vibration, the vibration of vibration section simultaneously reacts on medium, make medium produce certain turbulent effect, the heat transfer effect of amplified medium, and the vibration section is the uniform setting of Yan Yiquan, therefore the stress that vibration section produces can be cancelled out each other, and can not exchange the heat pipe generation and impact.Plane structure connection reinforcement section has increased the bonding strength of heat exchanger fin and heat exchanger tube, guarantee the reliability that heat exchanger fin connects, it can absorb the vibration that vibration section produces on the other hand, has the effect of absorbing, and the vibration that prevents the vibration section is excessive and make heat exchanger fin break away from heat exchanger tube.
As preferably, refrigerating plant comprises refrigeration compressor, expansion valve, refrigeration device for drying and filtering, refrigerant evaporator outlet on cylindrical shell is connected with the import of refrigeration compressor, on cylindrical shell, with refrigeration compressor, outlet is connected in the refrigerant condenser import, the refrigerant condenser outlet connects refrigeration device for drying and filtering, expansion valve successively, expansion valve connects refrigerant evaporator import on cylindrical shell, expansion valve also is connected with hot gas bypass valve, and the refrigeration compressor outlet connects the refrigerant evaporator import by hot gas bypass valve.Refrigerating device structure is simple, good refrigeration effect,
As preferably, be provided with vertically the heat exchange muscle sheet of some annulars on refrigerant cools pipe outer wall.Annular heat exchange muscle sheet is set on refrigerant cools pipe outer wall has increased heat exchange area, has increased heat transfer effect.
As preferably, pass through the dividing plate seal isolation in cylindrical shell between adjacent two cavitys, be provided with the some connecting rods that axially arrange in cylindrical shell, connecting rod links together all dividing plates, and heat exchanger tube is connected on dividing plate.By connecting rod, all dividing plates are linked together and increased the structural strength of heat-exchanger rig integral body.
As preferably, on cylinder body outer wall, the condensation of refrigerant chamber is upper, lower two ends are respectively equipped with the first terminal pad of annular, the second terminal pad, on cylinder body outer wall, the lower end of cooling water condensation device epicoele is provided with the 3rd terminal pad of annular, on cylinder body outer wall, the upper end of cooling water condensation device cavity of resorption is provided with the 4th terminal pad of annular, the first terminal pad and the 3rd terminal pad are bolted, the second terminal pad and the 4th terminal pad are bolted, be provided with annular upper limit position groove near the inner ring position on the lower surface of the 3rd terminal pad, be provided with annular lower limit groove near the inner ring position on the upper surface of the first terminal pad, dividing plate between cooling water condensation device epicoele and condensation of refrigerant chamber is arranged between the first terminal pad and the 3rd terminal pad, and the outward flange position of this dividing plate is arranged between upper limit position groove and lower limit groove, all be connected with seal washer between the bottom land of dividing plate and upper limit position groove and lower limit groove, be provided with O-ring seals between the second terminal pad and the 4th terminal pad.Dividing plate is arranged between upper limit position groove and lower limit groove, cylindrical shell is located in assembly connection convenient, guarantee after cylindrical shell assembles to there is axiality preferably, and all be bolted easy accessibility between the first terminal pad and the 3rd terminal pad and the second terminal pad and the 4th terminal pad.Seal washer has increased dividing plate and the sealing property that the first terminal pad is connected with the 3rd terminal pad, has also just increased the sealing property in cooling water condensation device epicoele and condensation of refrigerant chamber.O-ring seals has increased the sealing property that the second terminal pad is connected with the 4th terminal pad, has also just increased the sealing property of condensation of refrigerant chamber and cooling water condensation device cavity of resorption.Can guarantee when heat exchanger tube expands with heat and contract with cold axially moving among a small circle, to prevent that heat exchanger tube from expanding with heat and contract with cold, cylindrical shell is produced and destroys simultaneously.
As preferably, dividing plate between adjacent two cavitys is provided with two, be provided with the connecting hole with the heat exchanger tube adaptation in the middle of dividing plate, the dividing plate position that keeps to the side is provided with the fastener hole be connected with connecting rod, be connected with the clamp nut for fastening two dividing plates on connecting rod, between two dividing plates, fastener hole and connecting hole position are equipped with sealing ring.Fastener hole and connecting hole position between two dividing plates between adjacent two cavitys arrange sealing ring, good seal performance, and the medium between adjacent two cavitys can have to dividing plate the effect of pressure, so sealing ring presses tighter and tighter, greatly increased sealing property.
As preferably, be provided with the X-shaped sealing ring between the outward flange of the dividing plate except the upper and lower end positions of refrigerant condenser and cylinder inboard wall, the X-shaped sealing ring is wrapped in the outward flange of dividing plate, and the X-shaped sealing ring is fitted and connected on the connecting ring inner ring, and connecting ring is fixedly welded on cylinder inboard wall.When heat exchanger tube and dividing plate expand with heat and contract with cold while producing distortion, X sealing ring and dividing plate can axially and radial direction move among a small circle, avoid heat exchanger tube to expand with heat and contract with cold to the destruction of cylindrical shell.
As preferably, be connected with some deflection plates on the condensation of refrigerant cavity wall.Deflection plate has increased the path that cold-producing medium flows through in the condensation of refrigerant chamber, increases heat transfer effect.
As preferably, be arranged on two dividing plates of condensation of refrigerant chamber lower end position, the dividing plate outer ring of top is fitted on the second terminal pad inwall, the dividing plate outer ring of below is fitted on the 4th terminal pad inwall, the lower surface of top dividing plate is arranged on the top of the second terminal pad lower surface, the upper surface of underlay screen is arranged on the top of the 4th terminal pad upper surface, the lower surface of the second terminal pad is arranged on the below of underlay screen upper surface, the upper surface inward flange of the 4th terminal pad is provided with chamfering, and O-ring seals is arranged between the outer wall of chamfering and underlay screen.O-ring seals is arranged on the chamfering position of the 4th terminal pad upper end-face edge, and is fitted on the inwall of the second terminal pad near the outward flange of upper end, and it is reliable that this structure arranges sealing.
Compared with prior art, the invention has the beneficial effects as follows: (1) cooling driers is by the fit setting of forecooler, evaporimeter and condenser three, and extraneous contact area is little, and energy loss is few, is difficult for causing the waste of energy, and heat exchange efficiency is high, and resource utilization is high; The cooling driers compact conformation, volume is little, and the occupation of land space is little, low cost of manufacture; (2) heat exchanger fin has connection reinforcement section and vibration section to form, good effect of heat exchange; (3) heat-exchanger rig good seal performance, can avoid heat exchanger tube to expand with heat and contract with cold to the destruction of cylindrical shell; (4) the forecooler heat exchange area is large, has reduced the load of evaporimeter, and the refrigerant compression acc power is little, is 70% of like product energy consumption.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of heat exchanger tube of the present invention;
Fig. 3 is heat exchanger tube end face structure schematic diagram of the present invention;
Fig. 4 is the structural representation of heat exchanger fin of the present invention;
Fig. 5 is the syndeton schematic diagram of dividing plate of the present invention;
Fig. 6 is the syndeton schematic diagram of four terminal pads of the present invention and cylindrical shell;
In figure: 1, refrigerating plant, 2, heat-exchanger rig, 3, cylindrical shell, 4, heat exchanger tube, 5, the refrigerant evaporator pipe, 6, the Compressed Gas evaporator tube, 7, Compressed Gas precooling organ pipe, 8, the refrigerant cools pipe, 9, heat exchanger fin, 10, the refrigerant evaporator epicoele, 11, Compressed Gas evaporimeter epicoele, 12, Compressed Gas forecooler epicoele, 13, cooling water condensation device epicoele, 14, the condensation of refrigerant chamber, 15, cooling water condensation device cavity of resorption, 16, Compressed Gas forecooler cavity of resorption, 17, Compressed Gas evaporimeter cavity of resorption, 18, the refrigerant evaporator cavity of resorption, 19, the refrigerant evaporator outlet, 20, the refrigerant evaporator import, 21, the Compressed Gas material inlet, 22, the Compressed Gas evaporator outlet, 23, the Compressed Gas product outlet, 24, the import of Compressed Gas forecooler, 25, coolant outlet, 26, cooling water inlet, 27, the refrigerant condenser import, 28, the refrigerant condenser outlet, 29, moisture trap, 30, the connection reinforcement section, 31, the vibration section, 32, refrigeration compressor, 33, expansion valve, 34, the refrigeration device for drying and filtering, 35, hot gas bypass valve, 36, heat exchange muscle sheet, 37, dividing plate, 38, connecting rod, 39, the first terminal pad, 40, the second terminal pad, 41, the 3rd terminal pad, 42, the 4th terminal pad, 43, upper limit position groove, 44, the lower limit groove, 45, seal washer, 46, O-ring seals, 47, connecting hole, 48, fastener hole, 49, clamp nut, 50, sealing ring, 51, the X-shaped sealing ring, 52, connecting ring, 53, deflection plate, 54, water trap.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described specifically:
Embodiment: a kind of cooling driers (referring to accompanying drawing 1), comprise refrigerating plant 1, the heat-exchanger rig 2 be connected by pipeline with refrigerating plant, heat-exchanger rig comprises the cylindrical shell 3 of closed at both ends, be arranged on some interior heat exchanger tube 4(of cylindrical shell referring to accompanying drawing 2), a heat exchanger tube is set in the present embodiment, the two ends of heat exchanger tube all are three grades of step-like structures, heat exchanger tube is from the interior refrigerant evaporator pipe 5 that is followed successively by outward, Compressed Gas evaporator tube 6, Compressed Gas precooling organ pipe 7, refrigerant cools pipe 8, four tube length reduce outward successively from interior, between refrigerant evaporator pipe outer wall and Compressed Gas evaporator tube inwall, be equipped with heat exchanger fin 9(referring to accompanying drawing 3 between Compressed Gas evaporator tube outer wall and Compressed Gas forecooler inside pipe wall and between Compressed Gas precooling organ pipe outer wall and refrigerant cools inside pipe wall, accompanying drawing 4), heat exchanger fin is long tubular structure, the cross section of heat exchanger fin comprises some connection reinforcement sections 30 and some vibrations section 31, connection reinforcement section and vibration section are arranged alternately and join end to end, the connection reinforcement section radially arranges, vibration section undulate structure, the vibration section of the present embodiment medium wave shape wave comprises a crest and a trough.The two ends of respectively with four heat exchanger tubes in four heat exchanger fin two ends are concordant.Be provided with vertically the heat exchange muscle sheet 36 of some annulars on refrigerant cools pipe outer wall, heat exchange muscle sheet has increased heat exchange area, increases heat transfer effect.Be provided with successively from top to bottom the refrigerant evaporator epicoele 10 of mutual seal isolation in cylindrical shell, Compressed Gas evaporimeter epicoele 11, Compressed Gas forecooler epicoele 12, cooling water condensation device epicoele 13, condensation of refrigerant chamber 14, cooling water condensation device cavity of resorption 15, Compressed Gas forecooler cavity of resorption 16, Compressed Gas evaporimeter cavity of resorption 17, refrigerant evaporator cavity of resorption 18, the two ends of refrigerant evaporator pipe are communicated with respectively refrigerant evaporator epicoele and refrigerant evaporator cavity of resorption, the two ends of Compressed Gas evaporator tube are communicated with respectively Compressed Gas evaporimeter epicoele and Compressed Gas evaporimeter cavity of resorption, Compressed Gas precooling organ pipe two ends are communicated with respectively Compressed Gas forecooler epicoele and Compressed Gas forecooler cavity of resorption, refrigerant cools pipe two ends are communicated with respectively cooling water condensation device epicoele and cooling water condensation device cavity of resorption, on cylindrical shell, refrigerant evaporator epicoele position is provided with refrigerant evaporator outlet 19, refrigerant evaporator cavity of resorption position is provided with refrigerant evaporator import 20, Compressed Gas evaporimeter epicoele position is provided with Compressed Gas material inlet 21, Compressed Gas evaporimeter cavity of resorption position is provided with Compressed Gas evaporator outlet 22, Compressed Gas forecooler epicoele position is provided with Compressed Gas product outlet 23, Compressed Gas forecooler cavity of resorption position is provided with Compressed Gas forecooler import 24, cooling water condensation device epicoele position is provided with coolant outlet 25, cooling water condensation device cavity of resorption position is provided with cooling water inlet 26, position, condensation of refrigerant chamber is provided with refrigerant condenser import 27 and refrigerant condenser outlet 28, the Compressed Gas evaporator outlet connects the import of moisture trap 29, the outlet of moisture trap connects the import of Compressed Gas forecooler.Refrigerating plant comprises refrigeration compressor 32, expansion valve 33, refrigeration device for drying and filtering 34, refrigerant evaporator outlet on cylindrical shell is connected with the import of refrigeration compressor, on cylindrical shell, with refrigeration compressor, outlet is connected in the refrigerant condenser import, the refrigerant condenser outlet connects refrigeration device for drying and filtering, expansion valve successively, expansion valve connects refrigerant evaporator import on cylindrical shell, expansion valve also is connected with hot gas bypass valve 35, and the refrigeration compressor outlet connects the refrigerant evaporator import by hot gas bypass valve.Pass through dividing plate 37 seal isolation in cylindrical shell between adjacent two cavitys, be provided with the some connecting rods 38 that axially arrange in cylindrical shell, connecting rod links together all dividing plates, and heat exchanger tube is connected on dividing plate.On cylinder body outer wall, the condensation of refrigerant chamber is upper, lower two ends are respectively equipped with the first terminal pad 39 of annular, the second terminal pad 40(is referring to accompanying drawing 6), on cylinder body outer wall, the lower end of cooling water condensation device epicoele is provided with the 3rd terminal pad 41 of annular, on cylinder body outer wall, the upper end of cooling water condensation device cavity of resorption is provided with the 4th terminal pad 42 of annular, the first terminal pad and the 3rd terminal pad are bolted, the second terminal pad and the 4th terminal pad are bolted, be provided with annular upper limit position groove 43 near the inner ring position on the lower surface of the 3rd terminal pad, be provided with annular lower limit groove 44 near the inner ring position on the upper surface of the first terminal pad, dividing plate between cooling water condensation device epicoele and condensation of refrigerant chamber is arranged between the first terminal pad and the 3rd terminal pad, and the outward flange position of this dividing plate is arranged between upper limit position groove and lower limit groove, all be connected with seal washer 45 between the bottom land of dividing plate and upper limit position groove and lower limit groove, be provided with O-ring seals 46 between the second terminal pad and the 4th terminal pad.Dividing plate between adjacent two cavitys is provided with two, be provided with the connecting hole 47 with the heat exchanger tube adaptation in the middle of dividing plate, the dividing plate position that keeps to the side is provided with the fastener hole 48 be connected with connecting rod, be connected with on connecting rod for fastener hole and connecting hole position between clamp nut 49, two dividing plates of fastening two dividing plates and be equipped with sealing ring 50.Be arranged on two dividing plates of condensation of refrigerant chamber lower end position, the dividing plate outer ring of top is fitted on the second terminal pad inwall, the dividing plate outer ring of below is fitted on the 4th terminal pad inwall, the lower surface of top dividing plate is arranged on the top of the second terminal pad lower surface, the upper surface of underlay screen is arranged on the below of the 4th terminal pad upper surface, the lower surface of the second terminal pad is arranged on the below of underlay screen upper surface, the upper surface inward flange of the 4th terminal pad is provided with chamfering, and O-ring seals is arranged between the outer wall of chamfering and underlay screen.Be provided with X-shaped sealing ring 51(between the outward flange of the dividing plate except the upper and lower end positions of refrigerant condenser and cylinder inboard wall referring to accompanying drawing 5), the X-shaped sealing ring is wrapped in the outward flange of dividing plate, the X-shaped sealing ring is fitted and connected on the connecting ring inner ring, and connecting ring is fixedly welded on cylinder inboard wall.Be connected with some deflection plates 53 on the condensation of refrigerant cavity wall, deflection plate and connecting rod are fastenedly connected, and high temperature refrigerant repeatedly baffling effect through deflection plate in the condensation of refrigerant chamber has increased heat transfer effect greatly.
The gas-liquid mixed low temperature that refrigerating plant transfers out (2-3 ℃ of left and right) cold-producing medium is sent in refrigerant evaporator cavity of resorption e0 from refrigerant evaporator import e1, and be transported in refrigerant evaporator epicoele e by the refrigerant evaporator pipe, last cold-producing medium (19-25 ℃ of left and right) outputs in refrigerating plant from the refrigerant evaporator outlet.The high temperature that refrigerating plant is sent (70 ℃ of left and right) cold-producing medium is sent to the cavity of resorption a0 position in condensation of refrigerant chamber from refrigerant condenser import a1, cold-producing medium refrigerant condenser outlet a2 from the epicoele a position in condensation of refrigerant chamber after the condensation in condensation of refrigerant chamber outputs in refrigerating plant.Cooling water enters in cooling water condensation device cavity of resorption b0 from cooling water inlet b1, arrives after the refrigerant cools of flowing through pipe in cooling water condensation device epicoele b, and flows out from cooling water condensation device outlet b2.The Compressed Gas material inlet d1 of Compressed Gas from cylindrical shell enters in Compressed Gas evaporimeter epicoele d, and flow in Compressed Gas evaporimeter cavity of resorption d0 by Compressed Gas precooling organ pipe, Compressed Gas evaporator outlet d2 from cylindrical shell outputs in moisture trap, Compressed Gas is through the separation of moisture trap and by Compressed Gas forecooler import input Compressed Gas forecooler cavity of resorption c0, then the Compressed Gas precooling organ pipe of flowing through arrives Compressed Gas forecooler epicoele c, and last Compressed Gas (38 ℃ of left and right) transfers out from Compressed Gas product outlet c2.Low-temperature refrigerant in the refrigerant evaporator pipe carries out cooling to the Compressed Gas in the Compressed Gas evaporator tube, make the Compressed Gas of sending from Compressed Gas evaporator outlet d2 become the gas-liquid mixture of 2-3 ℃, and liquid is separated by water trap 54 discharge moisture traps after moisture trap, and gas is transported in Compressed Gas forecooler cavity of resorption c0 by Compressed Gas forecooler import c1, and export from Compressed Gas product outlet c2 by after the heat exchange effect of Compressed Gas precooling organ pipe.Cooling water in the refrigerant cools pipe carries out condensation to the cold-producing medium in the condensation of refrigerant chamber on the one hand, on the other hand the Compressed Gas in the Compressed Gas evaporimeter is heated.Compressed Gas in Compressed Gas precooling organ pipe carries out pre-cooled to the Compressed Gas in the Compressed Gas evaporator tube, heat exchange area is large, has reduced the power of refrigerating plant, reduces power consumption.And because heat exchange area is large, the cooling driers relatively general from the finished product gas temperature of Compressed Gas product outlet output is higher, carries the pipeline of finished product gas to be difficult for frosting.Between refrigerant evaporator pipe outer wall and Compressed Gas evaporator tube inwall, between Compressed Gas evaporator tube outer wall and Compressed Gas forecooler inside pipe wall and be equipped with heat exchanger fin between Compressed Gas precooling organ pipe outer wall and refrigerant cools inside pipe wall, greatly increased the heat transfer effect of heat exchanger tube.Cooling driers is by the fit setting of forecooler, evaporimeter and condenser three, and extraneous contact area is little, and energy loss is few, is difficult for causing the waste of energy, and heat exchange efficiency is high, and resource utilization is high; The cooling driers compact conformation, volume is little, and the occupation of land space is little, low cost of manufacture.
Above-described embodiment is a kind of preferably scheme of the present invention, not the present invention is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (10)
1. a cooling driers, comprise refrigerating plant, the heat-exchanger rig be connected by pipeline with refrigerating plant, it is characterized in that, heat-exchanger rig comprises cylindrical shell, be arranged on the some heat exchanger tubes in cylindrical shell, the two ends of heat exchanger tube all are step-like structure, heat exchanger tube is from the interior refrigerant evaporator pipe that is followed successively by outward, the Compressed Gas evaporator tube, Compressed Gas precooling organ pipe, the refrigerant cools pipe, between refrigerant evaporator pipe outer wall and Compressed Gas evaporator tube inwall, be equipped with heat exchanger fin between Compressed Gas evaporator tube outer wall and Compressed Gas forecooler inside pipe wall and between Compressed Gas precooling organ pipe outer wall and refrigerant cools inside pipe wall, be provided with successively from top to bottom the refrigerant evaporator epicoele of mutual seal isolation in cylindrical shell, Compressed Gas evaporimeter epicoele, Compressed Gas forecooler epicoele, cooling water condensation device epicoele, the condensation of refrigerant chamber, cooling water condensation device cavity of resorption, Compressed Gas forecooler cavity of resorption, Compressed Gas evaporimeter cavity of resorption, the refrigerant evaporator cavity of resorption, the two ends of refrigerant evaporator pipe are communicated with respectively refrigerant evaporator epicoele and refrigerant evaporator cavity of resorption, the two ends of Compressed Gas evaporator tube are communicated with respectively Compressed Gas evaporimeter epicoele and Compressed Gas evaporimeter cavity of resorption, Compressed Gas precooling organ pipe two ends are communicated with respectively Compressed Gas forecooler epicoele and Compressed Gas forecooler cavity of resorption, refrigerant cools pipe two ends are communicated with respectively cooling water condensation device epicoele and cooling water condensation device cavity of resorption, on cylindrical shell, refrigerant evaporator epicoele position is provided with the refrigerant evaporator outlet, refrigerant evaporator cavity of resorption position is provided with the refrigerant evaporator import, Compressed Gas evaporimeter epicoele position is provided with the Compressed Gas material inlet, Compressed Gas evaporimeter cavity of resorption position is provided with the Compressed Gas evaporator outlet, Compressed Gas forecooler epicoele position is provided with the Compressed Gas product outlet, Compressed Gas forecooler cavity of resorption position is provided with the import of Compressed Gas forecooler, cooling water condensation device epicoele position is provided with coolant outlet, cooling water condensation device cavity of resorption position is provided with cooling water inlet, position, condensation of refrigerant chamber is provided with refrigerant condenser import and refrigerant condenser outlet, the Compressed Gas evaporator outlet connects the import of moisture trap, the outlet of moisture trap connects the import of Compressed Gas forecooler.
2. a kind of cooling driers according to claim 1, is characterized in that, heat exchanger fin is long tubular structure, the cross section of heat exchanger fin comprises some connection reinforcement sections and some vibration sections, connection reinforcement section and vibration section are arranged alternately and join end to end, and the connection reinforcement section radially arranges, vibration section undulate structure.
3. a kind of cooling driers according to claim 1, it is characterized in that, refrigerating plant comprises refrigeration compressor, expansion valve, refrigeration device for drying and filtering, refrigerant evaporator outlet on cylindrical shell is connected with the import of refrigeration compressor, on cylindrical shell, with refrigeration compressor, outlet is connected in the refrigerant condenser import, the refrigerant condenser outlet connects refrigeration device for drying and filtering, expansion valve successively, expansion valve connects refrigerant evaporator import on cylindrical shell, expansion valve also is connected with hot gas bypass valve, and the refrigeration compressor outlet connects the refrigerant evaporator import by hot gas bypass valve.
4. a kind of cooling driers according to claim 1, is characterized in that, is provided with vertically the heat exchange muscle sheet of some annulars on refrigerant cools pipe outer wall.
5. according to claim 1 or 2 or 3 or 4 described a kind of cooling driers, it is characterized in that, pass through the dividing plate seal isolation in cylindrical shell between adjacent two cavitys, be provided with the some connecting rods that axially arrange in cylindrical shell, connecting rod links together all dividing plates, and heat exchanger tube is connected on dividing plate.
6. a kind of cooling driers according to claim 5, it is characterized in that, on cylinder body outer wall, the condensation of refrigerant chamber is upper, lower two ends are respectively equipped with the first terminal pad of annular, the second terminal pad, on cylinder body outer wall, the lower end of cooling water condensation device epicoele is provided with the 3rd terminal pad of annular, on cylinder body outer wall, the upper end of cooling water condensation device cavity of resorption is provided with the 4th terminal pad of annular, the first terminal pad and the 3rd terminal pad are bolted, the second terminal pad and the 4th terminal pad are bolted, be provided with annular upper limit position groove near the inner ring position on the lower surface of the 3rd terminal pad, be provided with annular lower limit groove near the inner ring position on the upper surface of the first terminal pad, dividing plate between cooling water condensation device epicoele and condensation of refrigerant chamber is arranged between the first terminal pad and the 3rd terminal pad, and the outward flange position of this dividing plate is arranged between upper limit position groove and lower limit groove, all be connected with seal washer between the bottom land of dividing plate and upper limit position groove and lower limit groove, be provided with O-ring seals between the second terminal pad and the 4th terminal pad.
7. a kind of cooling driers according to claim 5, it is characterized in that, dividing plate between adjacent two cavitys is provided with two, be provided with the connecting hole with the heat exchanger tube adaptation in the middle of dividing plate, the dividing plate position that keeps to the side is provided with the fastener hole be connected with connecting rod, be connected with the clamp nut for fastening two dividing plates on connecting rod, between two dividing plates, fastener hole and connecting hole position are equipped with sealing ring.
8. a kind of cooling driers according to claim 5, it is characterized in that, be provided with the X-shaped sealing ring between the outward flange of the dividing plate except the upper and lower end positions of refrigerant condenser and cylinder inboard wall, the X-shaped sealing ring is wrapped in the outward flange of dividing plate, the X-shaped sealing ring is fitted and connected on the connecting ring inner ring, and connecting ring is fixedly welded on cylinder inboard wall.
9. according to claim 1 or 2 or 3 or 4 described a kind of cooling driers, it is characterized in that, be connected with some deflection plates on the condensation of refrigerant cavity wall.
10. a kind of cooling driers according to claim 6, it is characterized in that, be arranged on two dividing plates of condensation of refrigerant chamber lower end position, the dividing plate outer ring of top is fitted on the second terminal pad inwall, the dividing plate outer ring of below is fitted on the 4th terminal pad inwall, the lower surface of top dividing plate is arranged on the top of the second terminal pad lower surface, the upper surface of underlay screen is arranged on the top of the 4th terminal pad upper surface, the lower surface of the second terminal pad is arranged on the below of underlay screen upper surface, the upper surface inward flange of the 4th terminal pad is provided with chamfering, O-ring seals is arranged between the outer wall of chamfering and underlay screen.
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| CN201310452378.0A CN103480248B (en) | 2013-09-27 | 2013-09-27 | A kind of cooling driers |
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| CN201310452378.0A CN103480248B (en) | 2013-09-27 | 2013-09-27 | A kind of cooling driers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222576A (en) * | 2015-10-27 | 2016-01-06 | 江苏楷益智能科技有限公司 | The drying box of freeze drying plant and dividing plate bindiny mechanism |
| CN105413345A (en) * | 2015-12-30 | 2016-03-23 | 无锡佳龙换热器股份有限公司 | Heat exchanger of refrigeration dryer |
| CN108559559A (en) * | 2018-02-01 | 2018-09-21 | 成都伊斯顿过滤器有限公司 | A kind of natural gas lyophilization device |
| CN110514036A (en) * | 2018-12-20 | 2019-11-29 | 佛山市天地元一净化设备有限公司 | A kind of structure of compressed gas freezing type drier high efficient heat exchanging water removal |
| WO2020125008A1 (en) * | 2018-12-20 | 2020-06-25 | 佛山市天地元一净化设备有限公司 | Heat exchange structure for compressed air refrigerated dryer |
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| CN202061530U (en) * | 2011-01-25 | 2011-12-07 | 杭州仕嘉净化设备有限公司 | Refrigerating and drying machine |
| CN202778222U (en) * | 2012-07-16 | 2013-03-13 | 上海翰烨气源净化科技有限公司 | Refrigeration dryer |
| CN203620485U (en) * | 2013-09-27 | 2014-06-04 | 林锦志 | Freezing dryer |
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| US4242110A (en) * | 1979-07-26 | 1980-12-30 | Miller Fluid Power Corporation | Compressed gas drying apparatus |
| CN202061530U (en) * | 2011-01-25 | 2011-12-07 | 杭州仕嘉净化设备有限公司 | Refrigerating and drying machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222576A (en) * | 2015-10-27 | 2016-01-06 | 江苏楷益智能科技有限公司 | The drying box of freeze drying plant and dividing plate bindiny mechanism |
| CN105413345A (en) * | 2015-12-30 | 2016-03-23 | 无锡佳龙换热器股份有限公司 | Heat exchanger of refrigeration dryer |
| CN108559559A (en) * | 2018-02-01 | 2018-09-21 | 成都伊斯顿过滤器有限公司 | A kind of natural gas lyophilization device |
| CN108559559B (en) * | 2018-02-01 | 2023-12-19 | 成都伊斯顿过滤器有限公司 | Natural gas freeze dehydration device |
| CN110514036A (en) * | 2018-12-20 | 2019-11-29 | 佛山市天地元一净化设备有限公司 | A kind of structure of compressed gas freezing type drier high efficient heat exchanging water removal |
| WO2020125008A1 (en) * | 2018-12-20 | 2020-06-25 | 佛山市天地元一净化设备有限公司 | Heat exchange structure for compressed air refrigerated dryer |
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|---|---|
| CN103480248B (en) | 2016-12-07 |
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