CN203083209U - Dry-type evaporator - Google Patents
Dry-type evaporator Download PDFInfo
- Publication number
- CN203083209U CN203083209U CN 201320010021 CN201320010021U CN203083209U CN 203083209 U CN203083209 U CN 203083209U CN 201320010021 CN201320010021 CN 201320010021 CN 201320010021 U CN201320010021 U CN 201320010021U CN 203083209 U CN203083209 U CN 203083209U
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Abstract
The utility model provides a dry-type evaporator. The dry-type evaporator comprises a shell, a pipe plate and heat exchange pipes. The pipe plate is fixedly connected with an outlet end cover and an inlet end cover. The inner side of the inlet end cover is provided with an inlet allocating device. An allocating plate of the inlet allocating device is provided with allocating pipes, wherein the allocating pipes penetrate through the allocating plate and are matched with the heat exchange pipes in an inserting and one-to-one correspondence mode. A refrigerant baffle plate is fixedly connected on the outer edge of the allocating plate. A liquid-storing space used for allocating refrigerants of the evaporator is formed among the refrigerant baffle plate, the allocating plate and the inlet end cover, and is respectively communicated with the allocating pipes and a liquid inlet. Due to the arrangement of the inlet allocating device, the refrigerants can be evenly allocated to each heat exchange pipe; and accordingly, the dry-steaming phenomenon inside a pipeline caused by uneven liquid allocation is avoided, or the phenomenon that a liquid impact is conducted on a compressor because overabundant liquid can not be absolutely evaporated is avoided. The dry-type evaporator gives full play to a heat exchange function of each heat exchange pipe, effectively improves heat exchange performance of the evaporator and use ratio of the heat exchange pipes, and improves energy efficiency ratio of a set.
Description
Technical field
The utility model relates to dry evaporator.
Background technology
Dry evaporator is the vitals in the refrigerated air-conditioning system, and its performance is to the energy-saving and cost-reducing central role that plays key of whole refrigeration air-conditioner.In big-and-middle-sized handpiece Water Chilling Units, shell and tube evaporator mainly contains two kinds of dry type and full-liquid types.The flooded evaporator shell-side is walked cold-producing medium, heat exchanger tube sidles chilled water, and cold-producing medium evaporates in shell-side and has higher heat exchange property, extensive use on market, but because its reasons in structure oil return difficulty needs to increase the reliability that a cover oil return device not only increases cost but also reduced unit.The dry evaporator shell-side is walked chilled water, walks cold-producing medium in the heat exchanger tube, and by the evaporation of horizontal tube inner refrigerant, the water for cooling that pipe is outer is to produce water at low temperature.It uses relatively ripe, need not independent heat exchanger oil return design, but dry evaporator there is a shortcoming, because tube bank is more, cold-producing medium is difficult to uniform distribution in each heat exchanger tube, the heat exchanger tube cold-producing medium that has is many, and the cold-producing medium that has is few, because the distribution of cold-producing medium is inhomogeneous, heat exchange area does not make full use of greatly, influence its heat exchange efficiency, therefore, can will directly have influence on the performance of heat exchanger and the utilization rate of steam-generating bank by uniform separatory.
The utility model content
Technical problem to be solved in the utility model provides a kind of dry evaporator, can reach the heat exchanging process that even separatory effect is fully finished evaporimeter with the cold-producing medium uniform distribution to each heat exchanger tube.
The technical scheme that the utility model technical solution problem is adopted is: a kind of dry evaporator, comprise housing, be installed in the housing two ends tube sheet, be installed in many heat exchanger tubes of enclosure interior.The gas-liquid refrigerant mixture is walked in the heat exchanger tube, the outside of tube sheet is fixedly connected outlet end cap and inlet end cap respectively, be respectively applied for and feed and pass-out gas-liquid refrigerant mixture, the outlet of cold-producing medium is arranged on the outlet end cap, the inlet of cold-producing medium is arranged on arrival end and covers, cold-producing medium enters evaporimeter from inlet, and heat exchange is carried out in the inside of the many heat exchanger tubes of flowing through, and flows out from the outlet of outlet end cap.The inboard inlet porting distributor of inlet end cap, inlet dispenser comprises distribution plate, the many distributing pipes that run through distribution plate and peg graft correspondingly and cooperate with many heat exchanger tubes are set on the distribution plate, the outer rim of distribution plate is fixedly connected with the cold-producing medium baffle plate, one end of cold-producing medium baffle plate is fixedlyed connected with the inboard of inlet end cap, and the other end is against on the tube sheet; Be formed for distributing the liquid storage space of evaporator refrigerant between cold-producing medium baffle plate, distribution plate, the inlet end cap, an end in liquid storage space is connected with distributing pipe, and the other end is connected with the inlet of evaporimeter.The cold-producing medium of inlet inflow evaporator from the inlet end cap, in the liquid storage space, concentrate, be assigned to each root distributing pipe equably by distribution plate, enter into each root heat exchanger tube by each root distributing pipe again, the cold-producing medium baffle plate, distribution plate, assignment system cryogen equably is convenient to concentrate in liquid storage space between the inlet end cap, one end of many distributing pipes is communicated with the liquid storage space, the other end inserts respectively in each root heat exchanger tube, uniform distribution to the cold-producing medium of each root distributing pipe directly enters in each root heat exchanger tube and carries out heat exchange, avoid the uneven phenomenon of separatory fully, given full play to the heat transfer efficiency of every heat exchanger tube.
Further, the left and right sides of distribution plate is the fixedly connected cold-producing medium baffle plate of mode by welding respectively, the both sides up and down of distribution plate have the adaptive curved edge of shape of annular inner wall with the inlet end cap, the curved edge of distribution plate embeds and is fixed in the annular inner wall of inlet end cap, between the inboard of cold-producing medium baffle plate, distribution plate and inlet end cap, form the liquid storage space of cold-producing medium, the position that curved edge contacts with annular inner wall is provided with sealing gasket, guarantee the liquid storage space except with the connection of distributing pipe and inlet relative sealing.
Further, the cold-producing medium baffle plate vertically is provided with, and it has by the outward extending radian of distribution plate curved edge at two ends up and down; The cold-producing medium baffle plate up and down shape at two ends is also adaptive with the shape of the annular inner wall of inlet end cap, distributing pipe is equidistant uniform and be full of the distribution plate plate space of planes that the cold-producing medium baffle plate is enclosed, like this, cooling agent in the liquid storage space can enter each distributing pipe equably, can not produce the phenomenon of separatory inequality.
Further, distribution plate closes with the position between the cold-producing medium baffle plate: distribution plate is 10～30mm with the distance of the side that the cold-producing medium baffle plate is fixedlyed connected with the inlet end cap, also be that the liquid storage space is 10～30mm along the length on the cooling agent feed liquor direction, such length can guarantee that cold-producing medium can be full of whole liquid storage space and distribute, and can not increase and makes troubles because of the long volume that makes whole evaporimeter again.
Further, the outer wall of housing is drawn water inlet pipe and the outlet pipe that is connected with enclosure interior, water inlet pipe and outlet pipe end are provided with adpting flange, be used to connect water pipe, chilled water is walked outside the heat exchanger tube, enter enclosure interior from water inlet pipe and contact, carry out heat exchange, flow out from outlet pipe with cold-producing medium in the heat exchanger tube with the outer wall of heat exchanger tube; Water inlet pipe and outlet pipe are positioned at the same side of housing, and perpendicular to the length direction of housing, it is cylindric that water inlet pipe, outlet pipe and housing all are, water inlet pipe and outlet pipe be positioned at housing the same side the upper end and with the tangent setting of housing.The same side that is arranged on housing of water inlet pipe and outlet pipe makes things convenient for chilled water to feed and the installation of pass-out pipeline, and the upper end that water inlet pipe and outlet pipe are arranged at housing helps chilled water and is full of whole housing fast.
Further, the below of housing is provided with the base that is used for support housing, base comprises two symmetrically arranged base units, each base unit comprises support plate, connecting plate and base plate, support plate is curved, the recessed upper surface of support plate and housing outer wall are fitted, can stably hold whole housing, the lower surface of support plate is fixedlyed connected with the connecting plate upper end, fixedlying connected with base plate in the connecting plate lower end, also is provided with stiffener between base plate and the support plate, and stiffener lower end and base plate are affixed, the side of stiffener and with connecting plate vertical be provided with affixed with connecting plate, symmetry has the installing hole that is used for construction bolt on the base plate; Base unit is firm with being connected of housing, and the dual bed unit makes that the evaporimeter installation is more reliable and stable.
Further, distributing pipe is a copper pipe, and itself also has good heat-conducting distributing pipe made of copper, guarantees that the inserting section of distributing pipe and heat exchanger tube also has good heat-conducting; Distributing pipe is fixed on the distribution plate by the mode of welding.
Further, the external diameter of distributing pipe and coaxial setting of heat exchanger tube and distributing pipe is less than the internal diameter of heat exchanger tube, and distributing pipe has the tapering that forward end is shunk, and makes things convenient for the grafting of distributing pipe and heat exchanger tube.
Further, the length of distributing pipe is 30～50mm, the Design of length of distributing pipe makes distributing pipe and heat exchanger tube have the plugging position of certain-length, the backflow after cold-producing medium enters heat exchanger tube be can avoid, the inconvenience of grafting installation and the waste of material are unlikely to cause again because distributing pipe is long.
The beneficial effects of the utility model are: between the refrigerant inlet of dry evaporator and heat exchanger tube inlet dispenser is installed, correspondingly cold-producing medium is transported to each root heat exchanger tube by distributing pipe, make the cold-producing medium uniform distribution to each heat exchanger tube, and be evaporated to overheated gas fully along the length direction of heat exchanger tube, avoided causing amount of liquid difference in the heat exchanger tube because of the separatory inequality, part heat exchanger tube inner refrigerant amount of liquid is not enough and produce the dry blowing phenomenon, refrigerant liquid in the part heat exchanger tube too much fails to evaporate fully, causes the liquid hammer to compressor.Dry evaporator of the present utility model has been given full play to the heat transmission function of every heat exchanger tube, has improved the utilization rate of the heat transfer property and the heat exchanger tube of evaporimeter effectively, has improved the Energy Efficiency Ratio of unit.
Description of drawings
Fig. 1 is the structural representation of dry evaporator provided by the utility model.
Fig. 2 is the structural representation of inlet dispenser provided by the utility model.
The specific embodiment
Dry evaporator of the present utility model comprises housing 3, be installed in the tube sheet 5 at housing 3 two ends, be installed in the many heat exchanger tubes 6 of housing 3 inside, respectively fixedly connected outlet end cap 1 in the outside of tube sheet 5 and inlet end cap 8, the inlet of cold-producing medium is arranged on the inlet end cap 8, and the outlet of cold-producing medium is arranged on the outlet end cap 1.
The inboard inlet porting distributor 7 of inlet end cap 8, inlet dispenser 7 comprises distribution plate 10, the left and right sides of distribution plate 10 is the fixedly connected cold-producing medium baffle plate 12 of mode by welding respectively, one end of cold-producing medium baffle plate 12 and inlet end cap 8 inboard fixedlying connected, the other end is against on the tube sheet 5, distribution plate 10 is 10～30mm with the distance of the side that cold-producing medium baffle plate 12 is fixedlyed connected with inlet end cap 8, also is that the liquid storage space is 10～30mm along the length on the cold-producing medium feed liquor direction.The both sides up and down of distribution plate 10 have the adaptive curved edge of shape of annular inner wall with inlet end cap 8, the curved edge of distribution plate 10 embeds and is fixed in the annular inner wall of inlet end cap, form the liquid storage space of cold-producing medium between the inboard of cold-producing medium baffle plate 12, distribution plate 10 and inlet end cap 8, the curved edge of distribution plate 10 is provided with sealing gasket with the position that the annular inner wall of inlet end cap 8 contacts.
Cold-producing medium baffle plate 12 vertically is provided with, and the two ends up and down of cold-producing medium baffle plate 12 have by the outward extending radian of distribution plate 10 curved edges; The cold-producing medium baffle plate up and down shape at two ends is also adaptive with the shape of the annular inner wall of inlet end cap 8, embed and be fixed in the annular inner wall of inlet end cap 8 with distribution plate 10, distributing pipe 11 is equidistant uniform and be full of the distribution plate plate space of planes that cold-producing medium baffle plate 12 is enclosed, like this, cold-producing medium in the liquid storage space can enter each distributing pipe equably, can not produce the phenomenon of separatory inequality.
The liquid storage space is connected respectively with the inlet 9 and the distributing pipe 11 of evaporimeter.
Distributing pipe 11 is a copper pipe, length is about 30～50mm, distributing pipe 11 equates with heat exchanger tube 6 quantity and the position concerns corresponding one by one, one end of distributing pipe 11 is communicated with the liquid storage space, the other end inserts in each root heat exchanger tube 6 correspondingly, distributing pipe 11 and the coaxial correspondingly setting of heat exchanger tube 6, the external diameter of distributing pipe 11 has the tapering of inside contraction less than the internal diameter of heat exchanger tube 6 and at this end that inserts heat exchanger tube 6, to make things convenient for the grafting of distributing pipe 11 and heat exchanger tube 6.
The outer wall of housing 3 is drawn water inlet pipe 2 and the outlet pipe 4 that is connected with housing 3 inside, and water inlet pipe 2 and outlet pipe 4 ends are provided with adpting flange, are used to connect water pipe; Water inlet pipe 2 and outlet pipe 4 are positioned at the same side of housing 3, and perpendicular to the length direction of housing 3, water inlet pipe 2, outlet pipe 4 and housing all are cylindric, water inlet pipe 2 and outlet pipe 4 be positioned at housing 3 the same sides the upper end and with the tangent setting of housing.
The below of housing 3 is provided with the base that is used for support housing 3, base comprises two symmetrically arranged base units, each base unit comprises support plate, connecting plate and base plate, support plate is curved, recessed upper surface and housing outer wall are fitted, can stably hold whole housing, the support plate lower surface is fixedlyed connected with the connecting plate upper end, fixedly connected with base plate in the connecting plate lower end, also be provided with stiffener between base plate and the support plate, stiffener lower end and base plate are affixed, side and with connecting plate vertical be provided with affixed with connecting plate, and symmetry has the installing hole that is used for construction bolt on the base plate.
Chilled water enters housing 3 inside from water inlet pipe 2, and be full of the space of housing 3 inside except heat exchanger tube 6, cold-producing medium enters distributor 7 from inlet 9, in the liquid storage space that the inboard by cold-producing medium baffle plate 12, distribution plate 10 and inlet end cap 8 constitutes, carry out local diffusion, pass through distribution plate 10 uniform distributions again to each root distributing pipe 11, enter in each root heat exchanger tube 6 by distributing pipe 11, chilled water and cold-producing medium carry out heat exchange in housing 3, chilled water flows out from outlet pipe 4 afterwards, and cold-producing medium is discharged from the exit of outlet end cap.The separatory of whole heat exchanging process cold-producing medium is even, has given full play to the heat transfer efficiency of every heat exchanger tube.
Claims (10)
1. dry evaporator, comprise housing (3), be installed in the tube sheet (5) at housing (3) two ends, be installed in the inner many heat exchanger tubes (6) of housing (3), the outside of tube sheet (5) is fixedly connected outlet end cap (1) and inlet end cap (8) respectively, the outlet of cold-producing medium is arranged on the outlet end cap (1), the inlet of cold-producing medium (9) is arranged on the inlet end cap (8), it is characterized in that: the inboard inlet porting distributor (7) of inlet end cap (8), inlet dispenser (7) comprises distribution plate (10), the many distributing pipes (11) that run through distribution plate (10) and peg graft correspondingly and cooperate with many heat exchanger tubes (6) are set on the distribution plate (10), the outer rim of distribution plate (10) is fixedly connected with cold-producing medium baffle plate (12), one end of cold-producing medium baffle plate (12) is fixedlyed connected with the inboard of inlet end cap (8), and the other end is against on the tube sheet (5); Be formed for distributing the liquid storage space of evaporator refrigerant between cold-producing medium baffle plate (12), distribution plate (10), the inlet end cap (8), the liquid storage space is connected with the inlet (9) of evaporimeter.
2. dry evaporator according to claim 1, it is characterized in that: the left and right sides of distribution plate (10) is the fixedly connected cold-producing medium baffle plate of mode (12) by welding respectively, the both sides up and down of distribution plate (10) have the adaptive curved edge of shape of annular inner wall with inlet end cap (8), and curved edge is provided with sealing gasket with the position that end cap (8) annular inner wall that enters the mouth contacts.
3. dry evaporator according to claim 2 is characterized in that: cold-producing medium baffle plate (12) vertically is provided with, and it has by the outward extending radian of distribution plate (10) curved edge at two ends up and down; Distributing pipe (11) on the distribution plate (10) is equidistant uniform and be full of the distribution plate plate space of planes that cold-producing medium baffle plate (12) is enclosed.
4. dry evaporator according to claim 2 is characterized in that: distribution plate (10) closes with the position between the cold-producing medium baffle plate (12) and is: distribution plate (10) is 10～30mm with the distance of the side that cold-producing medium baffle plate (12) is fixedlyed connected with inlet end cap (8).
5. dry evaporator according to claim 1, it is characterized in that: the outer wall of housing (3) is drawn water inlet pipe (2) and the outlet pipe (4) that is connected with housing (3) inside, water inlet pipe (2) and outlet pipe (4) end are provided with adpting flange, water inlet pipe (2) and outlet pipe (4) are positioned at the same side of housing (3) and perpendicular to the length direction of housing (3), water inlet pipe (2), outlet pipe (4) and housing all are cylindric, water inlet pipe (2) and outlet pipe (4) be positioned at housing (3) the same side the upper end and with the tangent setting of housing.
6. dry evaporator according to claim 1, it is characterized in that: the below of housing (3) is provided with the base that is used for support housing (3), base comprises two symmetrically arranged base units, each base unit comprises support plate, connecting plate and base plate, support plate is curved, recessed upper surface and housing outer wall are fitted, the support plate lower surface is fixedlyed connected with the connecting plate upper end, fixedly connected with base plate in the connecting plate lower end, also be provided with stiffener between base plate and the support plate, stiffener lower end and base plate are affixed, side and with connecting plate vertical be provided with affixed with connecting plate, and symmetry has the installing hole that is used for construction bolt on the base plate.
7. dry evaporator according to claim 1 is characterized in that: distributing pipe (11) is a copper pipe, and copper pipe is fixed on the distribution plate (10) by the mode of welding.
8. dry evaporator according to claim 1 is characterized in that: distributing pipe (11) has the tapering that forward end is shunk.
9. dry evaporator according to claim 1 is characterized in that: the external diameter of distributing pipe (11) and coaxial setting of heat exchanger tube (6) and distributing pipe (11) is less than the internal diameter of heat exchanger tube (6).
10. dry evaporator according to claim 1 is characterized in that: the length of distributing pipe (11) is 30～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010021 CN203083209U (en) | 2013-01-08 | 2013-01-08 | Dry-type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010021 CN203083209U (en) | 2013-01-08 | 2013-01-08 | Dry-type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083209U true CN203083209U (en) | 2013-07-24 |
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ID=48829036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010021 Expired - Lifetime CN203083209U (en) | 2013-01-08 | 2013-01-08 | Dry-type evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822409A (en) * | 2014-01-22 | 2014-05-28 | 浙江大学 | Falling film type heat exchanger with tubes in spiral arrangement |
| CN106440881A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
| CN109794211A (en) * | 2017-11-17 | 2019-05-24 | 神华集团有限责任公司 | High-temperature reactor and its heat-exchange system |
| CN114294871A (en) * | 2021-12-29 | 2022-04-08 | 海澜智云科技有限公司 | Advanced control system of ice machine |
-
2013
- 2013-01-08 CN CN 201320010021 patent/CN203083209U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822409A (en) * | 2014-01-22 | 2014-05-28 | 浙江大学 | Falling film type heat exchanger with tubes in spiral arrangement |
| CN106440881A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
| CN109794211A (en) * | 2017-11-17 | 2019-05-24 | 神华集团有限责任公司 | High-temperature reactor and its heat-exchange system |
| CN109794211B (en) * | 2017-11-17 | 2021-10-15 | 国家能源投资集团有限责任公司 | High-temperature reactor and heat exchange system thereof |
| CN114294871A (en) * | 2021-12-29 | 2022-04-08 | 海澜智云科技有限公司 | Advanced control system of ice machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 322100 Zhejiang province north of the city of Dongyang City Industrial District Guangfu Street No. 1233 Patentee after: ZHEJIANG SINOKING AIR-CONDITIONING & REFRIGERATION CO.,LTD. Address before: 322100 Dongyang City, Zhejiang Province Economic Development Zone north of the City Industrial Zone Patentee before: ZHEJIANG SINOKING AIR-CONDITIONING & REFRIGERATION Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |