CN207299622U - A kind of multisystem U-tube evaporator - Google Patents
A kind of multisystem U-tube evaporator Download PDFInfo
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- CN207299622U CN207299622U CN201721146129.9U CN201721146129U CN207299622U CN 207299622 U CN207299622 U CN 207299622U CN 201721146129 U CN201721146129 U CN 201721146129U CN 207299622 U CN207299622 U CN 207299622U
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- semicircular pipe
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Abstract
It the utility model is related to a kind of multisystem U-tube evaporator, including cylinder and two groups of tube bundle mechanisms being arranged in cylinder, cylinder is equipped with refrigerating medium import and refrigerating medium exports, the both ends of cylinder set gradually flange, tube sheet and bobbin carriage, two groups of tube bundle mechanisms direction is reversed and the tube sheet with cylinder both sides connects one to one respectively, the tube bundle mechanism includes U-tube Shu Benti, semicircular pipe and the semi-spiral baffle plate component being made of several helical baffles, the semicircular pipe end is connected by connecting plate with corresponding tube sheet, the semi-spiral baffle plate component is fixed with the outside of semicircular pipe, the U-tube Shu Benti through the semi-spiral baffle plate component set and with corresponding tube plate expanded-connecting；The refrigerant import and export of multisystem can be arranged on the both sides of heat exchanger by the utility model, and to provide larger operating space, optimization pipeline arrangement, saves material, reduce refrigerant running resistance, improve the Energy Efficiency Ratio of integral air conditioner refrigeration unit.
Description
Technical field
It the utility model is related to central air-conditioning technical field of refrigeration equipment, more particularly to a kind of multisystem U-tube evaporator.
Background technology
In refrigerating evaporator, U-tube evaporator usually only one piece of tube sheet, simple in structure, low cost.Tube bank can take out
Go out cleaning, U-tube can be usually used in the larger occasion of high pressure, high temperature, viscosity with free wxpansion.But due to being influenced by structure,
The refrigerant interface of the U-tube evaporator of multisystem is normally at homonymy, this just has an impact unit refrigerant line arrangement,
All refrigerant disengaging pipe arrangements of evaporator all concentrate on the same side, cause pipe arrangement insufficient space, while also have impact on other
The installation site of system unit.
The fixed tube-sheet exchanger that refrigerating evaporator generally uses, in the fabrication process both ends tube sheet will bore full packages hole,
The both ends of heat exchanger tube respectively with the tube sheet of both ends hole carry out expanded joint, heavy workload, inconvenient maintenance, inside and outside pipe the medium temperature difference compared with
When big, there are thermal (temperature difference) stress between shell, the sealing performance of tube sheet and heat exchanger tube influenced, easily causes leakage.
The content of the invention
In order to solve deficiency of the prior art, the purpose of this utility model is to provide a kind of evaporation of multisystem U-tube
Device, overcomes the refrigerant inlet and outlet of multisystem U-tube evaporator in the prior art the same side the defects of, and reduces
Drag losses of the refrigerant in system pipeline, improves the Energy Efficiency Ratio of central air-conditioning refrigerating device.
Technical solution is used by the utility model solves its technical problem：
A kind of multisystem U-tube evaporator, including cylinder and two groups of tube bundle mechanisms being arranged in cylinder, cylinder are equipped with
Refrigerating medium import and refrigerating medium outlet, the both ends of cylinder set gradually flange, tube sheet and bobbin carriage, it is characterised in that：Described two
Group tube bundle mechanism direction is reversed and the tube sheet with cylinder both sides connects one to one respectively, and the tube bundle mechanism includes U-shaped
Restrain body, semicircular pipe and the semi-spiral baffle plate component being made of several helical baffles, the semicircle pipe end
Portion is connected by connecting plate with corresponding tube sheet, and the semi-spiral baffle plate component is fixed with the outside of semicircular pipe, described U-shaped
Restrain body through the semi-spiral baffle plate component set and with corresponding tube plate expanded-connecting.
The tube sheet is equipped with pore corresponding with U-tube Shu Benti, and tube sheet upper surface is in pore using exterior domain to be non-porous
Area.
The semi-spiral baffle plate component of two groups of tube bundle mechanisms mutually assembles composition helical baffles, and spiral baffling
Baffle is equipped between the head end and tube sheet of plate, is correspondingly arranged on the inside of baffle with semicircular pipe, it is corresponding with cylinder inboard wall on the outside of baffle
Set.
The baffle is located at below the refrigerating medium import of cylinder.
Interface between the semi-spiral baffle plate component uses waveform or zigzag sealing structure.
The semicircular pipe of two groups of tube bundle mechanisms mutually assembles composition central tube, and central tube is coaxially distributed with cylinder, and
Fitting surface between semicircular pipe is equipped with the groove for being used for mutually being engaged by clamping and protrusion.
Be respectively equipped with the bobbin carriage at the cylinder both ends with least one refrigerant that U-tube Shu Benti input ends connect into
Mouth and at least one refrigerant outlet connected with the U-tube Shu Benti ports of export.
Correspond and cooperate between the refrigerant inlet and refrigerant outlet and be connected with evaporator external pipeline
Form an independent refrigerant system.
In conclusion the beneficial effects of the utility model are：
The 1st, the refrigerant import and export of multisystem can be arranged on to the both sides of heat exchanger, it is excellent to provide larger operating space
Change pipeline arrangement, save material, reduce refrigerant running resistance, improve the Energy Efficiency Ratio of integral air conditioner refrigeration unit.
2nd, it is connected by using semi-spiral baffle plate component with central tube, the card slot of central tube is used between two groups of tube bundle mechanisms
Connection, assembling is quick, can integrally extract maintenance and cleaning out.
3rd, semicircular pipe is connected fixation with tube sheet by connecting plate, prevents two groups of semicircles in assembling, dismantle and running
Baffle plate gliding dislocations, eliminate refrigerating medium leakage current, so as to ensure evaporator heat exchange performance.
4th, baffle corresponding with refrigerant inlet is equipped between the head end of helical baffles and tube sheet, eliminates refrigerating medium flowing
Dead band.
5th, the interface between semi-spiral baffle plate component uses waveform or zigzag structure, prevents shell side side to carry
Cryogen produces leakage current, fully ensures that evaporator heat exchange effect, while be conducive to assemble and dismantle.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the main structure diagram of the utility model.
Fig. 2 is the overlooking the structure diagram of the utility model.
Fig. 3 is the right side structural representation of the utility model.
Fig. 4 is the schematic cross-sectional view of " A-A " in Fig. 1.
Fig. 5 is the partial enlargement structural representation of " C " in Fig. 2.
Fig. 6 is the partial enlargement structural representation of " D " in Fig. 4.
Fig. 7 is the structure diagram of tube bundle mechanism and tube sheet.
Fig. 8 is tube bundle mechanism（Without U-tube Shu Benti）With the structure diagram of tube sheet.
In figure, 1 refrigerant inlet, 2 refrigerant outlets, 3 bobbin carriages, 4 tube sheets, 5 flanges, 6 refrigerating medium imports, 7 cylinders, 8 carry
Cryogen outlet, 9 semi-spiral baffle plate components, 10U types tube bank body, 11 semicircular pipes, 12 connecting plates, 13 baffles, 14 grooves, 15
It is raised.
Embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
As shown in Figures 1 to 8：A kind of multisystem U-tube evaporator, including cylinder 7 and two groups of pipes being arranged in cylinder 7
Beam mechanism, cylinder 7 are equipped with the refrigerating medium import 6 being connected with cylinder 7 and refrigerating medium outlet 8, and the both ends of cylinder 7 are set successively
Flange 5, tube sheet 4 and bobbin carriage 3 are put, refrigerating medium room is formed between the tube sheet 4 and cylinder 7 at both ends, refrigerating medium room is two groups of tube bank machines
Structure shares；
Two groups of tube bundle mechanisms direction is reversed and the tube sheet 4 with 7 both sides of cylinder connects one to one respectively, described
Tube bundle mechanism includes U-tube Shu Benti 10, semicircular pipe 11 and the semi-spiral baffle plate being made of several helical baffles
Component 9, wherein：
11 end of semicircular pipe is connected by connecting plate 12 with corresponding tube sheet 4, connecting plate 12 and semicircular pipe 11
Between be detachably connected by bolt, the mutually assembling of the semicircular pipes 11 of two groups of tube bundle mechanisms forms central tube, central tube and cylinder
Body 7 is coaxially distributed, and the fitting surface between semicircular pipe 11 is equipped with the groove 14 for being used for mutually being engaged by clamping and protrusion 15, recessed
Groove 14 and the position of protrusion 15 can exchange, as needed selection；
The outside of semicircular pipe 11 is fixed with the semi-spiral baffle plate component 9, the semi-spiral baffling of two groups of tube bundle mechanisms
The mutually assembling of plate component 9 forms helical baffles, and baffle 13, baffle 13 are equipped between the head end of helical baffles and tube sheet 4
Inner side is correspondingly arranged with semicircular pipe 11, and the outside of baffle 13 is correspondingly arranged with 7 inner wall of cylinder；
Wherein, baffle 13 is located at the lower section of refrigerating medium import 6 of cylinder 7, and the helical baffles for installing baffle 13 are
Quadrant helical baffles, for eliminating refrigerating medium flow dead zone；
Wherein, the interface between semi-spiral baffle plate component 9 uses waveform or zigzag sealing structure, realizes
Slitless connection between semi-spiral baffle plate component 9, forms complete continuous helical deflecting plate structure；
The U-tube Shu Benti 10 set through the semi-spiral baffle plate component 9 and with corresponding 4 expanded joint of tube sheet, tube sheet 4
Be equipped with 10 corresponding pores of U-tube Shu Benti, in pore using exterior domain as imperforate section on 4 surface of tube sheet.
Be respectively equipped with the bobbin carriage 3 at 7 both ends of cylinder two refrigerants being connected with 10 input ends of U-tube Shu Benti into
Mouth 1 and two refrigerant outlets 2 connected with 10 ports of export of U-tube Shu Benti, the refrigerant inlet 1 and refrigerant outlet 2
Between correspond and cooperate and be connected to form an independent refrigerant system with evaporator external pipeline so that U-tube
Evaporator is connected use with four refrigerant systems.
The foregoing is merely the preferred embodiments of the utility model, as long as realizing the utility model with essentially identical means
Purpose technical solution, belong within the scope of protection of the utility model.
Claims (6)
1. a kind of multisystem U-tube evaporator, including cylinder and two groups of tube bundle mechanisms being arranged in cylinder, cylinder, which is equipped with, to be carried
Cryogen import and refrigerating medium outlet, the both ends of cylinder set gradually flange, tube sheet and bobbin carriage, it is characterised in that：Described two groups
Tube bundle mechanism direction is reversed and the tube sheet with cylinder both sides connects one to one respectively, and the tube bundle mechanism includes U-tube
Shu Benti, semicircular pipe and the semi-spiral baffle plate component being made of several helical baffles, the semicircular pipe end
Connected by connecting plate with corresponding tube sheet, the semi-spiral baffle plate component, the U-tube are fixed with the outside of semicircular pipe
Shu Benti through the semi-spiral baffle plate component set and with corresponding tube plate expanded-connecting；
The semi-spiral baffle plate component of two groups of tube bundle mechanisms mutually assembles composition helical baffles, and helical baffles
Baffle is equipped between head end and tube sheet, is correspondingly arranged on the inside of baffle with semicircular pipe, is correspondingly arranged on the outside of baffle with cylinder inboard wall；
The baffle is located at below the refrigerating medium import of cylinder.
A kind of 2. multisystem U-tube evaporator according to claim 1, it is characterised in that：The tube sheet be equipped with it is U-shaped
The corresponding pore of body is restrained, tube sheet upper surface is in pore using exterior domain as imperforate section.
A kind of 3. multisystem U-tube evaporator according to claim 1, it is characterised in that：The semi-spiral baffle groups
Interface between part uses waveform or zigzag sealing structure.
A kind of 4. multisystem U-tube evaporator according to claim 1, it is characterised in that：Two groups of tube bundle mechanisms
Semicircular pipe mutually assembles composition central tube, and central tube is coaxially distributed with cylinder, and the fitting surface between semicircular pipe is equipped with
For the groove and protrusion being mutually engaged by clamping.
A kind of 5. multisystem U-tube evaporator according to claim 1, it is characterised in that：The bobbin carriage at the cylinder both ends
On be respectively equipped with least one refrigerant inlet for being connected with U-tube Shu Benti input ends and connect with the U-tube Shu Benti ports of export
Logical at least one refrigerant outlet.
A kind of 6. multisystem U-tube evaporator according to claim 5, it is characterised in that：The refrigerant inlet and system
Correspond and cooperate between cryogen outlet and be connected to form an independent refrigerant system with evaporator external pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146129.9U CN207299622U (en) | 2017-09-08 | 2017-09-08 | A kind of multisystem U-tube evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146129.9U CN207299622U (en) | 2017-09-08 | 2017-09-08 | A kind of multisystem U-tube evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299622U true CN207299622U (en) | 2018-05-01 |
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ID=62446563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146129.9U Active CN207299622U (en) | 2017-09-08 | 2017-09-08 | A kind of multisystem U-tube evaporator |
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| CN (1) | CN207299622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188350A (en) * | 2020-09-07 | 2021-07-30 | 李辉 | Shell and tube heat exchanger |
-
2017
- 2017-09-08 CN CN201721146129.9U patent/CN207299622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188350A (en) * | 2020-09-07 | 2021-07-30 | 李辉 | Shell and tube heat exchanger |
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