CN205718088U - A kind of vertical falling-film vaporizer with novel liquid distributing device - Google Patents
A kind of vertical falling-film vaporizer with novel liquid distributing device Download PDFInfo
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- CN205718088U CN205718088U CN201620623897.8U CN201620623897U CN205718088U CN 205718088 U CN205718088 U CN 205718088U CN 201620623897 U CN201620623897 U CN 201620623897U CN 205718088 U CN205718088 U CN 205718088U
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- vaporizer
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Abstract
This utility model belongs to high-performance heat exchanger energy saving field, it is provided that a kind of vertical falling-film vaporizer with novel liquid distributing device.This vertical falling-film vaporizer includes vaporizer upper end, vaporizer body part and vaporizer lower end.Travel by water in vaporizer upper end；Vaporizer body part includes that layering is arranged in parallel cold-producing medium feed liquor bourdon's tube, Novel cloth liquid dish etc., body interior arranges suitable refrigerant distributor, cold-producing medium can be uniformly distributed in tube bank surface, fully contacts with tube bank surface, and bottom part body arranges cold-producing medium deposition liquid and returns liquid device；Vaporizer lower end is used for travelling by water and draining precipitum.The mode that the separating tube that this utility model is arranged in parallel combines with cloth liquid dish, makes refrigerant liquid be evenly distributed on enhanced heat exchange tube-surface, improves its heat exchange property, saves the refrigerant charge of more than 35% simultaneously, save system operation cost.
Description
Technical field
This utility model belongs to high-performance heat exchanger energy saving field, steams especially with layering liquid distributor vertical falling-film
Send out the heat pump circulating system of device.
Background technology
Along with living standards of the people improve constantly and requirement to quality of the life constantly promotes, people to being worked and
The individual demand of residential architecture more diversified and complicate, thus cause building energy consumption account for society total energy consumption ratio continuous
Improving, and source pump is as providing building heat and the key equipment of cold, its heat exchange efficiency and Energy Efficiency Ratio become us not
The emphasis of disconnected research and development, wherein as the ingredient of source pump, the version of vaporizer comprises a variety of, than
As: plate-type evaporator, shell and tube evaporator etc.；And shell and tube evaporator includes flooded evaporator, downward film evaporator etc..
The version that cold-producing medium liquor separator is conventional has three kinds: antipriming pipe structure, narrow slit structure and multiinjector structure.
Downward film evaporator is compared flooded evaporator and is had the advantage that 1) there is higher heat exchange property；2) evaporation
Body is long-pending have been reduced；3) charging amount of cold-producing medium is saved；4) preferable oil return performance.
This utility model devises the vertical falling-film vaporizer with novel separatory dish for downward film evaporator, exploitation.
This vaporizer improves the heat exchange efficiency of unit with the heat transfer mechanism of its uniqueness, saves heat exchanger volume and refrigerant charging simultaneously
Fluence, reduces cost of investment, and production firm and user have reached the target of doulbe-sides' victory simultaneously.
Utility model content
Falling film type evaporation it is crucial that arrange suitable cold-producing medium liquor separator, the purpose of this utility model inside vaporizer
Be to design a kind of novel liquid distributing device, make refrigerant liquid can be uniformly distributed in thermoexcell tube bank surface, fully with
Enhanced heat exchange tube-surface contacts, and improves the heat exchange efficiency of this vaporizer.
In order to achieve the above object, this utility model adopts the following technical scheme that
A kind of vertical falling-film vaporizer with novel liquid distributing device, including vaporizer upper end, vaporizer body part, steaming
Send out device lower end.
Described vaporizer upper end includes upper cover 1, ring flange 17, water inlet 12, outlet 13 and dividing plate 14.Described
Upper cover 1 lower end ring flange 17 is with bolts with the tube sheet 2 of vaporizer body part, upper cover 1 upper end closed, upper cover
Travelling by water in 1, the side in the middle part of upper cover 1 shell has water inlet 12, corresponding opposite side to have outlet 13, in upper cover 1
Portion is provided with dividing plate 14, and upper cover 1 is divided into independent two space by dividing plate 14, it is ensured that water route, both sides does not interfere with each other.
Described vaporizer body part include tube sheet 2, separating tube 3, cloth liquid dish 4, liquid return hole 5, power return liquid device 6,
Discharge refrigerant mouth 7, housing 8, thermoexcell 11.Described housing 8 is cylindrical, is welded between upper and lower two tube sheets 2；
One upper lateral part of housing 8 has a discharge refrigerant mouth 7, and after being used for heat exchange, refrigerant gas discharges vaporizer；Housing 8 times
There is a liquid return hole 5 in portion, and after vaporizer runs a period of time, shell inner bottom part understands some hydrops, can be returned by bottom hydrops
Hydrops is derived by liquid mouth 5, and liquid return hole 5 exit is installed power and returned liquid device 6, and bottom cold-producing medium hydrops is reintroduced back to cold-producing medium
In separating tube 3, it is circulated heat exchange；In the middle part of housing 8, parallel connection is distributed refrigerant liquid inlet the most successively, is used for inserting
Separating tube 3 in the cold-producing medium feeding device of distribution in parallel, cold-producing medium feeding device uses the form of bourdon's tube to be arranged in shell footpath
Center, described separating tube 3 horizontal direction both sides are uniformly distributed hole, are used for being distributed refrigerant liquid.
Having projection outside described cloth liquid dish 4, cloth liquid dish 4 is protruding with housing 8 inside by welding manner even by outside
Connecing, cloth liquid dish 4 and the torus space within housing 8 are for discharging refrigerant steam；It is every that cloth liquid dish 4 is positioned at cold-producing medium feeding device
Below individual separating tube 3.Being uniformly distributed cylindrical hole on described cloth liquid dish 4, the diameter of described cylindrical hole is more than thermoexcell
The diameter of 11, thermoexcell 11 is connected by expanded joint mode through cylindrical hole with upper and lower tube sheet 2, described refrigerant liquid
Being evenly distributed between cloth liquid dish 4 cylindrical hole of lower section on the groove of formation by the hole of separating tube 3, groove inner refrigerant is long-pending full
Rear spilling cylindrical hole, by the annular slot between cylindrical hole and thermoexcell 11, flows through thermoexcell 11 tube wall, with pipe
Interior fluid is evaporated heat exchange；Cloth liquid dish 4 is uniformly distributed between cylindrical hole trapezoidal steam vent wide at the top and narrow at the bottom, is used for evaporating
Refrigerant gas after heat exchange is upwards discharged, and trapezoidal steam vent intersects with cylindrical hole and is uniformly distributed；Described trapezoidal steam vent
Highly it is more than the height being uniformly distributed cylindrical hole, the beneficially gas after evaporation and heat-exchange to discharge.
Described vaporizer lower end includes arranging when low head 9, ring flange 17, scrubbing mouth 10, low head fluid are sewage
Scrubbing baffle plate 15 and scrubbing mouth valve 16.Described low head 9 is travelled by water, low head 9 upper flanges dish 17 and vaporizer body
Lower end tube sheet 2 is bolted to connection, and above low head 9, centre arranges a baffle plate, and low head 9 lower inside arranges baffle plate
15, baffle plate 15 is used for slowing down water flowing；Scrubbing mouth valve 16 is positioned at below low head 9, walks precipitum for bat.When vaporizer should
When sewage heat exchanger, baffle plate 15 is used for settling and reclaim dirt precipitum, makes in sewage dirt deposition at the end of low head 9
Portion, after plant running a period of time, starts scrubbing mouth valve 16, is drained by dirt precipitum.
Layering cloth liquid vertical falling-film vaporizer as the vaporizer of a kind of new structure, arrange in parallel separating tube 3 with
Cloth liquid dish 4 combines mode, makes refrigerant liquid be evenly distributed on thermoexcell 11 surface, improves its heat exchange property, simultaneously
Save the refrigerant charge of more than 35%, save system operation cost.The portion that cold-producing medium in evaporator shell evaporates the most completely
Dividing and be deposited on base of evaporator, bottoms liquid portion also carries out heat exchange simultaneously with heat exchanger tube, and local is equivalent to full-liquid type evaporation and changes
Heat, is provided with a liquid return hole 5 in housing side bottom, returns liquid device 6 injection by power and returns cold-producing medium separatory house steward, proceeds
Cycle heat exchange, improves heat exchange efficiency.
The feature that this utility model is maximum: separating tube 3 is combined with cloth liquid dish 4, makes refrigerant liquid uniformly to divide
Cloth is on thermoexcell 11 surface, and abundant and thermoexcell 11 carries out heat exchange, saves in a large number while improving heat exchange efficiency
Refrigerant charge, detail major embodiment in the following areas: 1) vertical type evaporator is divided into some sections from height, point
How many sections determines according to changing amount of heat and vertical type evaporator height change with segmentation scales；2) in each sectional area upper end
Being arranged in parallel cold-producing medium separating tube 3, separating tube 3 uses the form of bourdon's tube simultaneously, makes cold-producing medium be evenly distributed to cloth liquid dish 4
On, after the full refrigerant liquid of cloth liquid dish 4 groove inner product, by circle between cylindrical hole and thermoexcell 11 on cloth liquid dish 4
Circumferential weld gap so that refrigerant liquid gets off along tube bank surface overflow, tube bank surface cold-producing medium is complete before arriving next layer region
Become evaporation and heat-exchange；3) between the separatory cylindrical hole of cloth liquid dish 4, it is evenly arranged trapezoidal air vent wide at the top and narrow at the bottom, after evaporation simultaneously
Refrigerant gas moves upward, and the torus space through between trapezoidal air vent wide at the top and narrow at the bottom and cloth liquid dish and housing enters evaporation
Device body top, discharges vaporizer eventually through air vent 7；4) bottom vaporizer body, part is had fully not evaporate
Refrigerant liquid deposits, and this partially liq carries out heat exchange with thermoexcell 11 simultaneously, sets once bottom evaporator shell
Liquid mouth 5, returns liquid device 6 by power and is derived by bottom refrigerant liquid so that it is reenter the cold-producing medium separating tube 3 of parallel connection,
Make full use of cold-producing medium and be circulated utilization.
Accompanying drawing explanation
Fig. 1 is a kind of vertical falling-film vaporizer front view with novel liquid distributing device.
Fig. 2 is a kind of vertical falling-film vaporizer elevation cross-sectional view with novel liquid distributing device.
Fig. 3 is a kind of vertical falling-film vaporizer rearview with novel liquid distributing device.
Fig. 4 is a kind of vertical falling-film vaporizer left view with novel liquid distributing device.
Fig. 5 is a kind of vertical falling-film vaporizer left view profile with novel liquid distributing device.
Fig. 6 is a kind of vertical falling-film vaporizer right view with novel liquid distributing device.
Fig. 7 is section A 1-A1, A2-A2 tube sheet profile.
Fig. 8 is cross section B1-B1, B2-B2, B3-B3 separatory tube layer profile.
Fig. 9 is cross section C1-C1, C2-C2, C3-C3 liquid distributor layer profile.
Figure 10 is D-D section separating tube local detailed annotation figure.
Figure 11 is E-E section thermoexcell and hydrops groove local detailed annotation figure on cloth liquid dish.
Figure 12 is the local detailed annotation figure of air vent on F-F section cloth liquid dish.
Figure 13 is cloth liquid mouth and air vent local detailed annotation figure on 45 ° of directions of G-G section cloth liquid dish section.
In figure: 1 upper cover；2 tube sheets；3 separating tubes；4 cloth liquid dishes；5 hydrops liquid return holes；6 power return liquid device；7
Air vent；8 housings；9 low heads；10 scrubbing mouths；11 heat exchanger tubes；12 water inlets；13 outlets；14 upper cover dividing plates；
15 scrubbing baffle plates；16 scrubbing mouth valves；17 ring flanges.
Detailed description of the invention
Below in conjunction with detailed description of the invention, further illustrate this utility model:
Referring to the drawings, a kind of vertical falling-film vaporizer with novel liquid distributing device, mainly include upper cover 1 and flange
Tube sheet 2 that dish 17 connects, cold-producing medium parallel connection separating tube 3, cloth liquid dish 4, cold-producing medium hydrops liquid return hole 5 bottom vaporizer body, dynamic
Power returns liquid device 6, discharge refrigerant mouth 7, evaporator shell 8, low head 9, scrubbing mouth 10, thermoexcell 11, vaporizer enter
The mouth of a river 12, vaporizer outlet 13, upper cover dividing plate 14, low head fluid are to arrange scrubbing baffle plate 15 and scrubbing mouth during sewage
Valve 16.
The ring flange 17 of upper cover 1 lower end is with bolts with tube sheet 2, travels by water, be provided with water inlet in upper cover 1
12, outlet 13 and dividing plate 14；Thermoexcell 11 and two ends tube sheet 2 are connected by expanded joint mode, as shown in Figure 7；Housing 8
Side arranges cold-producing medium inlet in parallel, and refrigerant liquid separating tube 3 in parallel enters vertical type evaporator, and separating tube 3 sets
It is calculated as bourdon's tube form, refrigerant liquid can be uniformly distributed so that it is be evenly distributed on cloth liquid dish 4, as shown in Figure 8；Cloth liquid
Designing cylindrical hole on dish 4 is concentric circular with thermoexcell 11 cross section, is isometric circle circumferential weld between cylindrical hole and thermoexcell 11
Gap, is evenly arranged trapezoidal steam vent wide at the top and narrow at the bottom between cylindrical hole, makes the refrigerant gas after evaporation and heat-exchange upwards discharge,
Steam vent height must be more than the height of the cylindrical hole of uniform cloth liquid, and the beneficially gas after evaporation and heat-exchange is discharged, meanwhile, and cloth
Refrigerant gas after the torus space formed outside liquid dish 4 and between inner walls is also used for evaporation and heat-exchange is discharged, such as Figure 13 institute
Show；Cloth liquid dish 4 is all groove design in addition to cylindrical hole with steam vent, for collecting the refrigerant liquid that separating tube 3 flows out, treats groove
Inner refrigerant overflows cylindrical hole after amassing completely, by annular slot, flows through the tube wall of thermoexcell 11, steams with tube fluid
Send out heat exchange；After device to be evaporated runs a period of time, evaporator shell inner bottom part understands some hydrops, can return liquid by bottom hydrops
Hydrops is derived by mouth 5, is provided with power in hydrops liquid return hole 5 exit and returns liquid device 6, and the refrigerant liquid of derivation is reintroduced back to system
Cryogen separating tube 3, is circulated heat exchange；The cold-producing medium inlet upper end of housing 8 is provided with discharge refrigerant mouth 7, completes to change
Refrigerant gas after heat discharges vaporizer by air vent 7；The ring flange 17 of low head 9 upper end is managed with vertical type evaporator lower end
Plate 2 is with bolts, when tube fluid is sewage, is provided with baffle plate 15 in low head 9, is used for slowing down drainage flow, makes
In sewage, dirt settles down, and is deposited on the bottom of low head 9, as shown in Figure 5；After system runs a period of time, by opening
Dynamic scrubbing mouth valve 16, drains dirt precipitum.
There is the vertical falling-film vaporizer of novel liquid distributing device as the vaporizer of a kind of new structure, arrange in parallel
The mode that separating tube 3 combines with cloth liquid dish 4, makes refrigerant liquid be evenly distributed on enhanced heat exchange tube-surface, improves its heat exchange
Performance, saves the refrigerant charge of more than 35% simultaneously, can save system operation cost.
Claims (2)
1. a vertical falling-film vaporizer with novel liquid distributing device, it is characterised in that this vertical falling-film vaporizer includes steaming
Send out device upper end, vaporizer body part and vaporizer lower end；
Described vaporizer upper end include upper cover (1), ring flange (17), tube sheet (2), water inlet (12), outlet (13) and
Dividing plate (14)；Travelling by water in described upper cover (1), upper cover (1) is fixing even by lower end ring flange (17) and tube sheet (2)
Connecing, upper cover (1) upper end closed, in the middle part of upper cover (1) shell, there is water inlet (12) side, and corresponding opposite side has outlet
(13), upper cover (1) is internal is provided with dividing plate (14), and upper cover (1) is divided into independent two space；
Described vaporizer body part includes that separating tube (3), cloth liquid dish (4), liquid return hole (5), power return liquid device (6), system
Cryogen air vent (7), housing (8), thermoexcell (11)；Described cylindrical housings (8) is welded on upper and lower two tube sheets (2)
Between；There is a discharge refrigerant mouth (7) housing (8) side, top, and after being used for heat exchange, refrigerant gas discharges vaporizer；
Housing (8) middle part distribution refrigerant liquid inlet the most in parallel, for inserting the cold-producing medium feed liquor of distribution in parallel
Separating tube (3) in device, cold-producing medium feeding device is arranged in center, shell footpath；Described separating tube (3) horizontal direction two
Side is uniformly distributed hole, is used for being distributed refrigerant liquid；One liquid return hole (5), liquid return hole (5) exit are arranged at housing (8) bottom
Power is installed and returns liquid device (6), be reintroduced back to bottom cold-producing medium hydrops in cold-producing medium separating tube (3) be circulated heat exchange；
Described cloth liquid dish (4) is positioned at each separating tube of cold-producing medium feeding device (3) lower section, and cloth liquid dish (4) is uniformly distributed circle
Post holes；Described cylinder bore diameter is more than thermoexcell (11) diameter, and thermoexcell (11) passes cylindrical hole and upper, lower tube
Plate (2) is connected by expanded joint mode, and described refrigerant liquid is evenly distributed to lower section cloth liquid dish by the hole of separating tube (3)
(4), in the groove formed between cylindrical hole, groove inner refrigerant overflows cylindrical hole, by cylindrical hole and thermoexcell after amassing completely
(11) annular slot between, flows through thermoexcell (11) tube wall, is evaporated heat exchange with tube fluid；Cloth liquid dish (4) circle
Being uniformly distributed trapezoidal steam vent wide at the top and narrow at the bottom between post holes, the refrigerant gas after evaporation and heat-exchange is upwards discharged, trapezoidal
Steam vent intersects with cylindrical hole and is uniformly distributed；The height of described trapezoidal steam vent is more than the height being uniformly distributed cylindrical hole, uses
Gas after evaporation and heat-exchange is discharged；
Described vaporizer lower end includes low head (9), ring flange (17), scrubbing mouth (10), scrubbing baffle plate (15) and scrubbing mouth
Valve (16)；Described low head (9) is travelled by water, and low head (9) is by upper flanges dish (17) and vaporizer lower end tube sheet (2)
Fixing connection, low head (9) arranges a baffle plate in the middle of top, and low head (9) lower inside arranges baffle plate (15)；Described removes
Dirty mouth valve (16) is positioned at low head (9) lower section, is used for draining precipitum.
A kind of vertical falling-film vaporizer with novel liquid distributing device the most according to claim 1, it is characterised in that described
Cloth liquid dish (4) outside have projection, is connected with housing (8) interior welds by outside projection, cloth liquid dish (4) and housing (8) are interior
The space in portion is used for discharging refrigerant steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623897.8U CN205718088U (en) | 2016-06-22 | 2016-06-22 | A kind of vertical falling-film vaporizer with novel liquid distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623897.8U CN205718088U (en) | 2016-06-22 | 2016-06-22 | A kind of vertical falling-film vaporizer with novel liquid distributing device |
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| Publication Number | Publication Date |
|---|---|
| CN205718088U true CN205718088U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620623897.8U Withdrawn - After Issue CN205718088U (en) | 2016-06-22 | 2016-06-22 | A kind of vertical falling-film vaporizer with novel liquid distributing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890238A (en) * | 2016-06-22 | 2016-08-24 | 大连理工大学 | Vertical falling film evaporator provided with novel liquid division device |
-
2016
- 2016-06-22 CN CN201620623897.8U patent/CN205718088U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890238A (en) * | 2016-06-22 | 2016-08-24 | 大连理工大学 | Vertical falling film evaporator provided with novel liquid division device |
| CN105890238B (en) * | 2016-06-22 | 2018-06-08 | 大连理工大学 | A kind of vertical falling-film evaporator with novel liquid distributing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180608 |