CN109458760A - A kind of downward film evaporator refrigerant distributor - Google Patents

A kind of downward film evaporator refrigerant distributor Download PDF

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Publication number
CN109458760A
CN109458760A CN201811538321.1A CN201811538321A CN109458760A CN 109458760 A CN109458760 A CN 109458760A CN 201811538321 A CN201811538321 A CN 201811538321A CN 109458760 A CN109458760 A CN 109458760A
Authority
CN
China
Prior art keywords
welded
connection nozzle
refrigerator
transition plates
film evaporator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811538321.1A
Other languages
Chinese (zh)
Inventor
王珂
吴风雷
唐兴
张涛
叶剑波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shilin Bor Refrigeration Equipment Co Ltd
Original Assignee
Jiangsu Shilin Bor Refrigeration Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Shilin Bor Refrigeration Equipment Co Ltd filed Critical Jiangsu Shilin Bor Refrigeration Equipment Co Ltd
Priority to CN201811538321.1A priority Critical patent/CN109458760A/en
Publication of CN109458760A publication Critical patent/CN109458760A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • F25B39/028Evaporators having distributing means

Abstract

The invention discloses a kind of downward film evaporator refrigerant distributors, including refrigerator distributor body, connection nozzle and connection outlet, connection nozzle is welded on refrigerator distributor body, the bottom end of refrigerator distributor body offers connection outlet, it is opened up on the side wall of connection nozzle fluted, it is welded with elastic piece in groove, is welded with card slot on elastic piece;Device can carry out gas-liquid separation operation, while liquid distribution or gas-liquid may be implemented while distributing, and to meet different demands, and refrigerator distributor is evenly distributed, further increases the performance of evaporator and unit;By the transition plates of multi-layer intercrossed setting, uniform heat transfer coefficient is kept;Filter device is set by the inlet port in refrigerator, the solution precipitation of impurity or scale formation during inflow can be reduced.

Description

A kind of downward film evaporator refrigerant distributor
Technical field
The present invention relates to the technical field of distributor, specially a kind of downward film evaporator refrigerant distributor.
Background technique
Falling film evaporation is that feed liquid is added from falling film evaporator heating room upper tube box, through liquid distribution and film formation device, It is even to be assigned in each heat exchanger tube, under gravity and vacuum induced and airflow function, flowed from above to below at uniformly membranaceous.It flows over Cheng Zhong, by shell side heat medium heating and gasifying, the steam and liquid phase of generation enter the separation chamber of evaporator jointly, are convenient for reaching The purpose of operation, but it there are still following drawbacks in actual use:
1. refrigerant distributor is an important building block in drop mode evaporator, falling film evaporator system is normally entered Refrigerant condition in refrigerant distributor is gas-liquid two-phase, and the uniformity that refrigerant distributes between each heat exchanger tube of evaporator restricts The performance of evaporator and unit partially need for gas and liquid to be effectively separated in the distributor of two phase refrigerant Operation, then liquid is allocated;
2. most of is all directly to be allocated to liquid, however if import is molten in general refrigerant distributor Liquid is unevenly distributed, small into each heat exchanger tube flow, liquid film bias current or channel, and liquid film cannot cover the inner wall of entire pipe, is made It interrupts or is evaporated at the liquid film in pipe, reduce effective heat transfer area, further decrease heat transfer area and heat transfer coefficient, if into The liquid inventory for entering each heat exchanger tube is excessive, at film thickness in pipe, will weaken convective heat-transfer coefficient, keeps solution concentration relatively low;
3. in the solution of the gas-liquid two-phase entered in refrigerant distributor when the formation liquid film of inner skeleton, A small amount of impurity, which is precipitated or is adhered on tube wall, there is fouling.
Summary of the invention
The purpose of the present invention is to provide a kind of downward film evaporator refrigerant distributors, to solve above-mentioned background technique The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of downward film evaporator refrigerant distributor, Including refrigerator distributor body, connection nozzle and connection outlet, it is welded with connection nozzle on the refrigerator distributor body, The bottom end of the refrigerator distributor body offers connection outlet, opened up on the side wall of the connection nozzle it is fluted, it is described It is welded with elastic piece in groove, card slot is welded on the elastic piece, elastic clamping block, the elastic card are connected in the card slot Filter is welded on block, the lower end of the filter is provided with deflector, and the lower end of the deflector is welded with import, described Import is through to the inside setting of refrigerator distributor body, and the inside front of the refrigerator distributor body is provided with first Corrugated sheet, the side of the first waveform plate are welded with flue, and the flue is welded on the inner wall of connection nozzle, gas Pipe is arranged through the upper end of connection nozzle, and the upper end cover of flue is connected to rubber stopper, and the lower end of the first waveform plate is provided with Second corrugated tube offers hole slot on second corrugated tube, and the side of second corrugated tube is connected with Damping rotation shaft, described Damping rotation shaft is arranged on the inner wall of connection nozzle, and the lower end of second corrugated tube is provided with transition plates, in the transition plates Through-hole is offered, the refrigerator distributor body is internally provided with gas collector, the upper end weldering of the gas collector It is connected to curved roof, the bottom end of the gas collector is welded with communicating pipe, and the other end of the communicating pipe, which is connected to, to be connected out On mouth.
Preferably, at least provided with two, two grooves are symmetrically set the groove about two central axis of connection nozzle It sets, groove is provided on the inner wall of connection nozzle, and the rear end of groove offers seal chamber, is provided with motor in seal chamber.
Preferably, the card slot is rectangular groove structure, and the two sides of card slot offer through slot, and through slot inner section is equal to elasticity The convex cross section area of fixture block bottom end, the elastic clamping block are corresponding U-shaped structure, are welded on the outside of the lower section of U-shaped structure convex It rises.
Preferably, the cross-sectional sizes of the filter are equal to the inner section size of connection nozzle, and the upper surface of filter is Arcuate structure, the height of filter side are higher than the height among filter.
Preferably, the deflector is the arc panel to intermediate, inclined, and deflector is ring structure, the interior boxing of deflector It is connected to import, the lower end of the import is through to the inside of connection nozzle, and import is arranged through first waveform plate, import and first The junction fixed bonding of corrugated sheet has sealing ring.
Preferably, the first waveform plate is waveform plate structure, the cross section structure of first waveform plate and the second corrugated tube Cross section structure it is identical, first waveform plate is integral structure, and there are two the second corrugated tube settings, two the second corrugated tubes It is symmetrical arranged, even the contact position fixed bonding of the second corrugated tube has gasket, opens up at each trough of the second corrugated tube There is hole slot.
Preferably, the transition plates is provided with multilayer, and the outside of transition plates is welded on the inner wall of connection nozzle, lower section Transition plates and gas collector contact position open up slot, gas collector is opened in transition plates setting, the transition plates Equipped with multiple through-holes, the through-hole in every layer of transition plates is staggered with adjacent layer.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention setting rationally, functional, have with Lower advantage:
1. the device can carry out gas-liquid separation operation, while may be implemented liquid distribution or gas-liquid while distributing, with Meet different demands, and refrigerator distributor is evenly distributed, further increases the performance of evaporator and unit;
2. the device carries out multilayer circulation in inside by the transition plates of multi-layer intercrossed setting, by the liquid of entrance, reach Preferably uniformly circulation effect, the very few or excessive phenomenon of reduction liquid inventory keep uniform heat transfer coefficient;
3. the device is by the filter device of the inlet port setting in refrigerator, and filter device is easy to disassemble, convenient for more It changes, filter device can reduce the solution precipitation of impurity or scale formation during inflow.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is structure of the invention bottom schematic view;
Fig. 3 is structural schematic diagram at A in Fig. 1 of the present invention;
Fig. 4 is the second corrugated tube structure top view of the invention;
Fig. 5 is the second corrugated tube structure side diagram of the invention;
Fig. 6 is transition plates structural schematic diagram of the present invention.
In figure: 1 refrigerator distributor body, 2 connection nozzles, 3 connection outlets, 4 grooves, 5 elastic pieces, 6 card slots, 7 elasticity Fixture block, 8 filters, 9 deflectors, 10 imports, 11 first waveform plates, 12 flues, 13 rubber stoppers, 14 second corrugated tubes, 15 holes Slot, 16 Damping rotation shafts, 17 transition platess, 18 through-holes, 19 gas collectors, 20 curved roofs, 21 communicating pipes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 6 is please referred to, the present invention provides a kind of technical solution: a kind of downward film evaporator refrigerant distributor, Including refrigerator distributor body 1, connection nozzle 2 and connection outlet 3, connection nozzle is welded on refrigerator distributor body 1 2, the bottom end of refrigerator distributor body 1 offers connection outlet 3, connects and opens up fluted 4 on the side wall of nozzle 2, in groove 4 It is welded with elastic piece 5, card slot 6 is welded on elastic piece 5, elastic clamping block 7 is connected in card slot 6, was welded on elastic clamping block 7 Filter 8, the lower end of filter 8 are provided with deflector 9, and the lower end of deflector 9 is welded with import 10, and import 10 is through to refrigerator The inside of distributor body 1 is arranged, and the inside front of refrigerator distributor body 1 is provided with 11., the side of first waveform plate 11 It is welded with flue 12, flue 12 is welded on the inner wall of connection nozzle 2, and flue 12 is set through the upper end of connection nozzle 2 It sets, the upper end cover of flue 12 is connected to rubber stopper 13, and the lower end of first waveform plate 11 is provided with the second corrugated tube 14, the second waveform Hole slot 15 is offered on pipe 14, the side of the second corrugated tube 14 is connected with Damping rotation shaft 16, and Damping rotation shaft 16 is arranged in connecting tube On the inner wall of mouth 2, the lower end of the second corrugated tube 14 is provided with transition plates 17, and through-hole 18, refrigerator point are offered in transition plates 17 Orchestration ontology 1 is internally provided with gas collector 19, and the upper end of gas collector 19 is welded with curved roof 20, gas collection The bottom end of device 19 is welded with communicating pipe 21, and the other end of communicating pipe 21 is connected on connection outlet 3.
Further, at least provided with two, two grooves 4 are symmetrically set groove 4 about two central axis of connection nozzle 2 It sets, groove 4 is provided on the inner wall of connection nozzle 2, and the rear end of groove 4 offers seal chamber, is provided with motor in seal chamber, The vibration of motor driven elastic piece 5.
Further, card slot 6 is rectangular groove structure, and the two sides of card slot 6 offer through slot, and through slot inner section is equal to elasticity The convex cross section area of 7 bottom end of fixture block, elastic clamping block 7 are corresponding U-shaped structure, are welded with protrusion on the outside of the lower section of U-shaped structure, Protrusion is connected to the inside of card slot 6.
Further, the cross-sectional sizes of filter 8 are equal to the inner section size of connection nozzle 2, and the upper surface of filter 8 is Arcuate structure, the height of 8 side of filter are higher than the height among filter 8, and arcwall face is more convenient the inflow of solution.
Further, deflector 9 is the arc panel to intermediate, inclined, and deflector 9 is ring structure, the inner ring of deflector 9 It is welded with import 10, the lower end of import 10 is through to the inside of connection nozzle 2, and import 10 is arranged through first waveform plate 11, into Mouth 10 and the junction fixed bonding of first waveform plate 11 have sealing ring, increase its leakproofness.
Further, first waveform plate 11 is waveform plate structure, the cross section structure of first waveform plate 11 and the second waveform The cross section structure of pipe 14 is identical, and first waveform plate 11 is integral structure, and there are two the settings of the second corrugated tube 14, two the second waves Shape pipe 14 is symmetrical arranged, and even the contact position fixed bonding of the second corrugated tube 14 has gasket, each wave of the second corrugated tube 14 Hole slot 15 is offered at paddy, hole slot 15 facilitates passing through for solution.
Further, transition plates 17 is provided with multilayer, and the outside of transition plates 17 is welded on the inner wall of connection nozzle 2, The transition plates 17 of lower section and 19 contact position of gas collector open up slot, and gas collector 19 is arranged through transition plates 17, transition Multiple through-holes 18 are offered on plate 17, the through-hole 18 in every layer of transition plates 17 is staggered with adjacent layer, flows into solution It is more uniform.
Working principle: as shown in figures 1 and 3, the outside of filter 8 is welded with elastic clamping block 7, and elastic clamping block 7 has one Fixed elasticity presses elastic clamping block 7 to centre, the elastic clamping block 7 of two sides is connected to card slot 6 when installing filter 8 In the through slot of two sides, and the rear end of card slot 6 is fixedly welded with elastic piece 5, there is the vibration of motor driven elastic piece 5, drives filtering The vibration of device 8 effectively filters certain impurity in refrigerant solution or gas by accelerating filter effect in connection nozzle 2;
As depicted in figs. 1 and 2, refrigerant enters from connection nozzle 2 distributes outflow from connection outlet 3, and connects out Mouthfuls 3 are provided with multiple, and mark on the connection outlet 3 of a part, exclusively by gas, on other connection outlets 3 Distribute liquid solvent;
As shown in Figure 1 and Figure 4, it after refrigerant enters in connection nozzle 2, can be flowed on the second corrugated tube 14, mix The gas of conjunction can flow upwardly into, and gas alerted when being the first waveform plate 11 of which side, and the meeting with liquid is gathered in first It at each peak valley of corrugated sheet 11, such as needs to release gas, the rubber stopper 13 of side is opened, gas leads to by flue 12 Outside;If desired gas and liquid are separately dispensed into different connection outlets 3, will connect the second corrugated tube of 2 inside of nozzle 14 open, and the Damping rotation shaft 16 of side is rotated, and the second corrugated tube 14 is rotated with the rotation of Damping rotation shaft 16 to one Determine angle, gas is collected by gas collector 19, is flowed into the connection outlet 3 of connection using curved roof 20;
As shown in Fig. 1, Fig. 5 and Fig. 6, the hole slot 15 that the solution of refrigerant first carries out on the second corrugated tube 14 is stayed into transition On plate 17, since transition plates 17 is provided with multilayer, and the through-hole 18 of adjacent layer is to be staggered, and solution flows into each layer of transition On plate 17, by the transition of multilayer transition plates 17, solution is further uniformly distributed, and is finally flowed by connection outlet 3 Out.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of downward film evaporator refrigerant distributor, including refrigerator distributor body (1), connection nozzle (2) and company Exit (3), it is characterised in that: connection nozzle (2), the refrigerator point are welded on the refrigerator distributor body (1) The bottom end of orchestration ontology (1) offers connection outlet (3), opens up fluted (4) on the side wall of connection nozzle (2), described It is welded with elastic piece (5) in groove (4), is welded with card slot (6) on the elastic piece (5), clamping is flexible in the card slot (6) Fixture block (7) is welded with filter (8) on the elastic clamping block (7), and the lower end of the filter (8) is provided with deflector (9), The lower end of the deflector (9) is welded with import (10), and the import (10) is through to the inside of refrigerator distributor body (1) Setting, the inside front of the refrigerator distributor body (1) are provided with first waveform plate (11), the first waveform plate (11) Side be welded with flue (12), the flue (12) be welded on connection nozzle (2) inner wall on, flue (12) runs through The upper end setting of nozzle (2) is connected, the upper end cover of flue (12) is connected to rubber stopper (13), under the first waveform plate (11) End is provided with the second corrugated tube (14), is offered hole slot (15) on second corrugated tube (14), second corrugated tube (14) Side be connected with Damping rotation shaft (16), the Damping rotation shaft (16) setting is on the inner wall of connection nozzle (2), second wave The lower end of shape pipe (14) is provided with transition plates (17), is offered through-hole (18) on the transition plates (17), the refrigerator distribution Device ontology (1) is internally provided with gas collector (19), and the upper end of the gas collector (19) is welded with curved roof (20), the bottom end of the gas collector (19) is welded with communicating pipe (21), and the other end of the communicating pipe (21) is connected to company On exit (3).
2. a kind of downward film evaporator refrigerant distributor according to claim 1, it is characterised in that: the groove (4) at least provided with two, two grooves (4) are symmetrical arranged about two central axis of connection nozzle (2), and groove (4) opens up On the inner wall of connection nozzle (2), and the rear end of groove (4) offers seal chamber, is provided with motor in seal chamber.
3. a kind of downward film evaporator refrigerant distributor according to claim 1, it is characterised in that: the card slot It (6) is rectangular groove structure, the two sides of card slot (6) offer through slot, the protrusion equal to elastic clamping block (7) bottom end of through slot inner section Area of section, the elastic clamping block (7) are corresponding U-shaped structure, are welded with protrusion on the outside of the lower section of U-shaped structure.
4. a kind of downward film evaporator refrigerant distributor according to claim 1, it is characterised in that: the filter (8) cross-sectional sizes are equal to the inner section size of connection nozzle (2), and the upper surface of filter (8) is arcuate structure, filter (8) height of side is higher than filter (8) intermediate height.
5. a kind of downward film evaporator refrigerant distributor according to claim 1, it is characterised in that: the deflector (9) for the arc panel of intermediate, inclined, deflector (9) is ring structure, and the inner ring of deflector (9) is welded with import (10), institute The lower end for stating import (10) is through to the inside of connection nozzle (2), and import (10) is arranged through first waveform plate (11), import (10) there is sealing ring with the junction fixed bonding of first waveform plate (11).
6. a kind of downward film evaporator refrigerant distributor according to claim 1, it is characterised in that: the first wave Shape plate (11) is waveform plate structure, the cross section structure phase of the cross section structure and the second corrugated tube (14) of first waveform plate (11) Together, first waveform plate (11) is integral structure, and there are two the second corrugated tube (14) settings, two the second corrugated tubes (14) It is symmetrical arranged, even the contact position fixed bonding of the second corrugated tube (14) has gasket, each trough of the second corrugated tube (14) Place offers hole slot (15).
7. a kind of downward film evaporator refrigerant distributor according to claim 1, it is characterised in that: the transition plates (17) be provided with multilayer, the outside of transition plates (17) is welded on the inner wall of connection nozzle (2), the transition plates (17) of lower section with Gas collector (19) contact position opens up slot, and gas collector (19) is arranged through transition plates (17), the transition plates (17) On offer multiple through-holes (18), the through-hole (18) on every layer of transition plates (17) is staggered with adjacent layer.
CN201811538321.1A 2018-12-16 2018-12-16 A kind of downward film evaporator refrigerant distributor Pending CN109458760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811538321.1A CN109458760A (en) 2018-12-16 2018-12-16 A kind of downward film evaporator refrigerant distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811538321.1A CN109458760A (en) 2018-12-16 2018-12-16 A kind of downward film evaporator refrigerant distributor

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CN109458760A true CN109458760A (en) 2019-03-12

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CN201811538321.1A Pending CN109458760A (en) 2018-12-16 2018-12-16 A kind of downward film evaporator refrigerant distributor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642845A (en) * 2016-11-16 2017-05-10 珠海格力电器股份有限公司 Refrigerating device, evaporator and fluid baffle plate thereof
CN111595180A (en) * 2020-05-27 2020-08-28 中国石油大学(华东) Sine wave corrugated pipe type wound pipe type heat exchanger suitable for FLNG

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485951A (en) * 2015-12-15 2016-04-13 昆明东启科技股份有限公司 Carbon dioxide heat pump system for improving heating efficiency by utilizing gas-liquid two-phase separator
CN106482400A (en) * 2016-11-15 2017-03-08 顿汉布什(中国)工业有限公司 A kind of for the allotter in downward film evaporator
CN209386616U (en) * 2018-12-16 2019-09-13 江苏世林博尔制冷设备有限公司 A kind of downward film evaporator refrigerant distributor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485951A (en) * 2015-12-15 2016-04-13 昆明东启科技股份有限公司 Carbon dioxide heat pump system for improving heating efficiency by utilizing gas-liquid two-phase separator
CN106482400A (en) * 2016-11-15 2017-03-08 顿汉布什(中国)工业有限公司 A kind of for the allotter in downward film evaporator
CN209386616U (en) * 2018-12-16 2019-09-13 江苏世林博尔制冷设备有限公司 A kind of downward film evaporator refrigerant distributor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642845A (en) * 2016-11-16 2017-05-10 珠海格力电器股份有限公司 Refrigerating device, evaporator and fluid baffle plate thereof
CN111595180A (en) * 2020-05-27 2020-08-28 中国石油大学(华东) Sine wave corrugated pipe type wound pipe type heat exchanger suitable for FLNG
WO2021238684A1 (en) * 2020-05-27 2021-12-02 中国石油大学(华东) Sinusoidal corrugated-tube-type coiled tubular heat exchanger suitable for flng

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