CN206281249U - A kind of efficient Double-head shell and tube evaporator - Google Patents
A kind of efficient Double-head shell and tube evaporator Download PDFInfo
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- CN206281249U CN206281249U CN201621179189.6U CN201621179189U CN206281249U CN 206281249 U CN206281249 U CN 206281249U CN 201621179189 U CN201621179189 U CN 201621179189U CN 206281249 U CN206281249 U CN 206281249U
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- hydroecium
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- storehouses
- exchanging tube
- tube bundle
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Abstract
The utility model is related to a kind of efficient Double-head shell and tube evaporator, including housing, and the housing is open barrel-shaped in two ends, and two ends and middle part are respectively equipped with the tube sheet closed with it and be connected, and are divided into system A storehouses, system B storehouses and intermediate bin；The first end socket and the second end socket being tightly connected with tube sheet are respectively equipped with outside the housing two ends；The hydroecium of several stream commutations of supplying water is respectively equipped with described two end sockets and intermediate bin；Some groups of heat-exchanging tube bundles are respectively equipped with the system A storehouses and system B storehouses；The two ends of every group of heat-exchanging tube bundle are welded on tube sheet respectively, and the hydroecium adjacent with tube sheet is connected.The utility model is reasonable in design, simple structure, and series system is used by being exchanged heat to pipe Nei Shui sides, makes full use of the freezing water entrance water temperature temperature difference, improves the refrigerant side evaporating temperature of system, and then improve unit performance coefficient and refrigerating capacity.Under big temperature difference operating mode, system energy efficiency more can be effectively provided, realized energy-saving.
Description
Technical field
The utility model is related to a kind of air-conditioning component, and especially one kind is applied to double compressor system, and can improve and be
The shell and tube evaporator of efficiency of uniting, specifically a kind of efficient Double-head shell and tube evaporator.
Background technology
At present, using two compression mechanisms into two-shipper head system be increasingly widely applied.Traditional two-shipper
Head evaporator, mostly two flow scheme designs, refrigerant evaporates in two independent containers, and water enters inside copper pipe from side,
Through two autonomous containers, then portion flows out through two autonomous containers from container, so as to realize bottom in and top out.Due to now
Recirculated water runs through two containers simultaneously, in standard condition（Chilled water out temperature is 12/7 DEG C）Under, 5 DEG C of temperature difference of chilled water
Fail to make full use of, container evaporating temperature does not have obvious gap yet, the efficiency of system is relatively low, is unfavorable for energy-conserving and environment-protective.
Utility model content
The purpose of this utility model is directed to the deficiencies in the prior art, there is provided a kind of efficient Double-head shell-tube type evaporation
Device, is carried out to the heat exchange of water side using series system, improves the leaving water temperature in part system, and then can make the refrigeration of the system
Agent side evaporating temperature is improved, and the coefficient of performance of unit and refrigerating capacity is got a promotion, and realizes the reduction of energy consumption.
The technical solution of the utility model is：
A kind of efficient Double-head shell and tube evaporator, including housing, the housing is open barrel-shaped in two ends, two ends and
Middle part is respectively equipped with the tube sheet closed with it and be connected, and is divided into system A storehouses, system B storehouses and intermediate bin；The housing two ends
Outside is respectively equipped with the first end socket and the second end socket being tightly connected with tube sheet；It is respectively equipped with described two end sockets and intermediate bin
The hydroecium of several stream commutations of supplying water；
Some groups of heat-exchanging tube bundles are respectively equipped with the system A storehouses and system B storehouses；The two ends of every group of heat-exchanging tube bundle point
It is not welded on tube sheet, and the hydroecium adjacent with tube sheet is connected；
First end socket is provided with the water inlet and delivery port being connected to its internal corresponding hydroecium, enables external water source
It is enough to enter from water inlet, then by being flowed out from delivery port after each heat-exchanging tube bundle；
The refrigerant inlet and refrigerant outlet for refrigerant turnover are respectively equipped with the system A storehouses and system B storehouses, and
Be connected respectively to by different compression mechanisms into refrigerant-cycle systems in, make from the system in different refrigerant-cycle systems
Cryogen can flow through the system A storehouses or system B storehouses, and carry out heat exchange with the heat-exchanging tube bundle in system A storehouses or system B storehouses.
Further, the tube sheet is four pieces, and every piece of tube sheet is provided with some through holes；The end welding of the heat-exchanging tube bundle
In respective through hole.
Further, first end socket is hollow hemispherical, is inside provided with two pieces of diaphragm plates, will be separated into first inside it
Hydroecium, the second hydroecium and the 3rd hydroecium；First hydroecium connects water inlet；3rd hydroecium connects delivery port.
Further, second end socket is hollow hemispherical, is inside provided with one piece of diaphragm plate, will be separated into the 4th inside it
Hydroecium and the 5th hydroecium.
Further, two pieces of vertical clapboards are provided with the intermediate bin, will be divided into inside it the 6th hydroecium, the 7th hydroecium,
8th hydroecium and junction chamber.
Further, heat-exchanging tube bundle A, heat-exchanging tube bundle B and heat-exchanging tube bundle C, heat-exchanging tube bundle A two are provided with the system A storehouses
End is respectively communicated with the first hydroecium and the 6th hydroecium；Heat-exchanging tube bundle B two ends are respectively communicated with the 6th hydroecium and the second hydroecium；Heat-exchanging tube bundle
C two ends are respectively communicated with the second hydroecium and the 7th hydroecium.
Further, heat-exchanging tube bundle D, heat-exchanging tube bundle E and heat-exchanging tube bundle F are provided with the system B storehouses；Heat-exchanging tube bundle D two
End is respectively communicated with the 7th hydroecium and the 4th hydroecium；Heat-exchanging tube bundle E two ends are respectively communicated with the 4th hydroecium and the 8th hydroecium；Heat-exchanging tube bundle
F two ends are respectively communicated with the 8th hydroecium and the 5th hydroecium.
Further, heat-exchanging tube bundle G is also included in the housing, its two ends is respectively communicated with the 5th hydroecium and the 3rd hydroecium,
And through junction chamber.
Further, the bottom of the intermediate bin is provided with two sewage draining exits.
The beneficial effects of the utility model：
The utility model is reasonable in design, simple structure, and series system is used by being exchanged heat to pipe Nei Shui sides, makes full use of cold
Freeze the water entrance water temperature temperature difference, improve the refrigerant side evaporating temperature of system, and then improve unit performance coefficient and refrigerating capacity.
Under big temperature difference operating mode, system energy efficiency more can be effectively provided, realized energy-saving.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：1- delivery ports；The hydroeciums of 2- the 3rd；3- diaphragm plates；4- system A storehouses；The refrigerant outlets of 5- first；6- heat exchanger tubes
Beam C；7- junction chambers；The vertical clapboards of 8- first；The vertical clapboards of 9- second；The hydroeciums of 10- the 8th；11- heat-exchanging tube bundles F；12- heat-exchanging tube bundles G；
13- second refrigerants are exported；14- housings；15- tube sheets；The hydroeciums of 16- the 5th；The end sockets of 17- second；The hydroeciums of 18- the 4th；19- systems
B storehouses；20- second refrigerant imports；21- heat-exchanging tube bundles E；22- heat-exchanging tube bundles D；The hydroeciums of 23- the 7th；24- sewage draining exits；25- the 6th
Hydroecium；26- heat-exchanging tube bundles A；The refrigerant inlets of 27- first；28- heat-exchanging tube bundles B；The hydroeciums of 29- first；30- water inlets；31-
Two hydroeciums；The end sockets of 32- first.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1.
A kind of efficient Double-head shell and tube evaporator, including housing 14.The housing 14 is open barrel-shaped in two ends, two
End and middle part are respectively equipped with the tube sheet 15 closed with it and be connected, and are divided into system A storehouses 4, system B storehouses 19 and intermediate bin.Institute
State the first end socket 32 and the second end socket 17 for being respectively equipped with outside the two ends of housing 14 and being tightly connected with tube sheet 15.Described two end sockets
With the hydroecium that several stream commutations of supplying water are respectively equipped with intermediate bin.
Some groups of heat-exchanging tube bundles, every group of two ends of heat-exchanging tube bundle point are respectively equipped with the system A storehouses 4 and system B storehouses 19
It is not welded on tube sheet 15, and the hydroecium adjacent with tube sheet 15 is connected.
First end socket 32 is provided with the water inlet 30 and delivery port 1 being connected to its internal corresponding hydroecium, makes outside
Water source enters from water inlet 30, then by being flowed out from delivery port 1 after each heat-exchanging tube bundle.
The system A storehouses 4 are provided with the first refrigerant inlet 5 and the first refrigerant outlet 27 for refrigerant turnover, and
It is connected with refrigeration system A, the refrigerant in refrigeration system A is flowed through and full of the system A storehouses.Likewise, described
System B storehouses 19 be provided with for refrigerant turnover second refrigerant import 20 and second refrigerant outlet 13, and with refrigeration system B
It is connected, the refrigerant in refrigeration system B is flowed through and full of the system B storehouses.Each refrigerant inlet is respectively provided with
In the bottom of housing, each refrigerant outlet may be contained within the top of housing, be easy to refrigerant to be full of related bin, with bin
In heat-exchanging tube bundle carry out sufficient heat exchange.
The tube sheet 15 is four pieces, and every piece of tube sheet 15 is provided with some through holes, can be welded the end of the heat-exchanging tube bundle
It is convenient to produce and install in respective through hole.
First end socket 32 is hollow hemispherical, is inside provided with two pieces of diaphragm plates 3, the first hydroecium will be separated into inside it
29th, the second hydroecium 31 and the 3rd hydroecium 2.First hydroecium 29 connects water inlet 30；3rd hydroecium connects delivery port 1.
Second end socket 17 is hollow hemispherical, is inside provided with one piece of diaphragm plate 3, the 4th hydroecium 18 will be separated into inside it
With the 5th hydroecium 16.
The first vertical clapboard 8 and the second vertical clapboard 9 are provided with the intermediate bin.Wherein, first vertical clapboard 8 is inverted L-shaped,
Second vertical clapboard 9 is J-shaped, the 6th hydroecium 25, the 7th hydroecium 23, the 8th hydroecium 10 and junction chamber 7 will be divided into inside it.
Heat-exchanging tube bundle A26, heat-exchanging tube bundle B28 and heat-exchanging tube bundle C6 are provided with the system A storehouses 4.The heat-exchanging tube bundle A26
Two ends are respectively communicated with the first hydroecium 29 and the 6th hydroecium 25；The heat-exchanging tube bundle B28 two ends are respectively communicated with the 6th hydroecium 25 and
Two hydroeciums 31；The heat-exchanging tube bundle C6 two ends are respectively communicated with the second hydroecium 31 and the 7th hydroecium 23.
Heat-exchanging tube bundle D22, heat-exchanging tube bundle E21 and heat-exchanging tube bundle F11 are provided with the system B storehouses 19.The heat-exchanging tube bundle
D22 two ends are respectively communicated with the 7th hydroecium 23 and the 4th hydroecium 18；The heat-exchanging tube bundle E21 two ends are respectively communicated with the He of the 4th hydroecium 18
8th hydroecium 10；The heat-exchanging tube bundle F11 two ends are respectively communicated with the 8th hydroecium 10 and the 5th hydroecium 15.
The commutation direction of each hydroecium is as shown by the arrows in Figure 1.
Also include heat-exchanging tube bundle G12 in the housing 14, its two ends is respectively communicated with the 5th hydroecium 16 and the 3rd hydroecium 2, and
Through the junction chamber 7 of intermediate bin, after making the chilled water that final production goes out through the heat-exchanging tube bundle G12 and the 3rd hydroecium 2, from delivery port
1 outflow.
The bottom of the intermediate bin is provided with two sewage draining exits 24, to clear up hydroecium and heat-exchanging tube bundle.
Operation principle of the present utility model is：
Refrigerant circulation：Two sets of independent cooling cycle system A and cooling cycle system B are made up of two compressors, and
During the first refrigerant inlet and the first refrigerant outlet accessed into cooling cycle system A respectively, by second refrigerant import and the
Two refrigerant outlets access cooling cycle system B, the refrigerant from two cooling cycle systems is flowed through and full of being
System A storehouses and system B storehouses.
Water circulation direction：As shown in the direction of arrow in Fig. 1, --- water inlet --- the first hydroecium --- exchanges heat outside cold water
The hydroeciums of festoon A--- the 6th --- hydroeciums of heat-exchanging tube bundle B--- second --- hydroeciums of heat-exchanging tube bundle C--- the 7th --- heat-exchanging tube bundle
The hydroeciums of D--- the 4th --- hydroeciums of heat-exchanging tube bundle E--- the 8th --- hydroeciums of heat-exchanging tube bundle E--- the 5th --- heat-exchanging tube bundle G--- the 3rd
Hydroecium --- delivery port.
Traditional Double-head evaporator, due to being double-flow, whole heat-exchanging tube bundles are continuously in the bin of both sides,
There is no the separation of intermediate bin, therefore the evaporating temperature of both sides bin is essentially identical, that is, two refrigerating efficiencies of refrigeration system
It is identical.Because the inlet water temperature of evaporator GB is usually 12 DEG C, exit water temperature is usually 7 DEG C, therefore, because tradition evaporation
The evaporating temperature of device both sides is 5 DEG C or so.And for the utility model, when inlet water temperature is 12 DEG C, exit water temperature is set as
At 7 DEG C, the intermediate water temperature into the 7th hydroecium may be set to 9.5 DEG C, in this way, the evaporating temperature in system A storehouses can be made to be set as 7.5
DEG C, improve 2.5 DEG C than traditional evaporating temperature.It can be seen from heat exchanger heat exchange property, evaporating temperature often improves 1 DEG C, where it
Refrigeration system COP improve 3%.Therefore, the COP of the refrigeration system A in the utility model where system A storehouses improves nearly 8%.Together
When, the evaporating temperature in system B storehouses remains in that 5 DEG C, identical with traditional evaporating temperature, i.e. the COP of refrigeration system B and traditional are
System.In this way, the average COP of two refrigeration systems residing for the utility model still can be improved into 4%, compared with legacy system, it is
System efficiency is significantly improved, meanwhile, also reduce energy consumption.
The utility model is not directed to partly same as the prior art or can be realized using prior art.
Claims (7)
1. a kind of efficient Double-head shell and tube evaporator, including housing, it is characterized in that the housing is open barrel-shaped in two ends,
Two ends and middle part are respectively equipped with the tube sheet closed with it and be connected, and are divided into system A storehouses, system B storehouses and intermediate bin；The shell
The first end socket and the second end socket being tightly connected with tube sheet are respectively equipped with outside body two ends；Divide in described two end sockets and intermediate bin
The hydroecium of several stream commutations of supplying water is not provided with；
Some groups of heat-exchanging tube bundles are respectively equipped with the system A storehouses and system B storehouses；Weld respectively at the two ends of every group of heat-exchanging tube bundle
Hydroecium on tube sheet and adjacent with tube sheet is connected；
First end socket is provided with the water inlet and delivery port being connected to its internal corresponding hydroecium, enable external water source from
Water inlet enters, then by being flowed out from delivery port after each heat-exchanging tube bundle；
The refrigerant inlet and refrigerant outlet for refrigerant turnover are respectively equipped with the system A storehouses and system B storehouses, and respectively
Be connected to by different compression mechanisms into refrigerant-cycle systems in, make from the refrigerant in different refrigerant-cycle systems
The system A storehouses or system B storehouses can be flowed through, and heat exchange is carried out with the heat-exchanging tube bundle in system A storehouses or system B storehouses.
2. efficient Double-head shell and tube evaporator according to claim 1, it is characterized in that the tube sheet is four pieces, every piece
Tube sheet is provided with some through holes；The end of the heat-exchanging tube bundle is welded in respective through hole.
3. efficient Double-head shell and tube evaporator according to claim 1, it is characterized in that first end socket is hollow
Hemispherical, is inside provided with two pieces of diaphragm plates, and the first hydroecium, the second hydroecium and the 3rd hydroecium will be separated into inside it；First water
Room connects water inlet；3rd hydroecium connects delivery port；Second end socket is hollow hemispherical, is inside provided with one piece of tabula
Plate, will be separated into the 4th hydroecium and the 5th hydroecium inside it；Two pieces of vertical clapboards are provided with the intermediate bin, will be divided into inside it
6th hydroecium, the 7th hydroecium, the 8th hydroecium and junction chamber.
4. efficient Double-head shell and tube evaporator according to claim 3, it is characterized in that be provided with the system A storehouses changing
Heat pipe bundle A, heat-exchanging tube bundle B and heat-exchanging tube bundle C, heat-exchanging tube bundle A two ends are respectively communicated with the first hydroecium and the 6th hydroecium；Heat-exchanging tube bundle
B two ends are respectively communicated with the 6th hydroecium and the second hydroecium；Heat-exchanging tube bundle C two ends are respectively communicated with the second hydroecium and the 7th hydroecium.
5. efficient Double-head shell and tube evaporator according to claim 3, it is characterized in that be provided with the system B storehouses changing
Heat pipe bundle D, heat-exchanging tube bundle E and heat-exchanging tube bundle F；Heat-exchanging tube bundle D two ends are respectively communicated with the 7th hydroecium and the 4th hydroecium；Heat-exchanging tube bundle
E two ends are respectively communicated with the 4th hydroecium and the 8th hydroecium；Heat-exchanging tube bundle F two ends are respectively communicated with the 8th hydroecium and the 5th hydroecium.
6. efficient Double-head shell and tube evaporator according to claim 3, it is characterized in that also including changing in the housing
Heat pipe bundle G, its two ends are respectively communicated with the 5th hydroecium and the 3rd hydroecium, and through junction chamber.
7. efficient Double-head shell and tube evaporator according to claim 1, it is characterized in that the bottom of the intermediate bin sets
There are two sewage draining exits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179189.6U CN206281249U (en) | 2016-10-27 | 2016-10-27 | A kind of efficient Double-head shell and tube evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179189.6U CN206281249U (en) | 2016-10-27 | 2016-10-27 | A kind of efficient Double-head shell and tube evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN206281249U true CN206281249U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621179189.6U Active CN206281249U (en) | 2016-10-27 | 2016-10-27 | A kind of efficient Double-head shell and tube evaporator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403390A (en) * | 2016-10-27 | 2017-02-15 | 南京天加空调设备有限公司 | Efficient double-head shell-tube evaporator |
-
2016
- 2016-10-27 CN CN201621179189.6U patent/CN206281249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403390A (en) * | 2016-10-27 | 2017-02-15 | 南京天加空调设备有限公司 | Efficient double-head shell-tube evaporator |
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