CN109780921A - A kind of defroster for concentrated type heat exchanger - Google Patents
A kind of defroster for concentrated type heat exchanger Download PDFInfo
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- CN109780921A CN109780921A CN201811591753.9A CN201811591753A CN109780921A CN 109780921 A CN109780921 A CN 109780921A CN 201811591753 A CN201811591753 A CN 201811591753A CN 109780921 A CN109780921 A CN 109780921A
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- heat exchanger
- ring support
- support plate
- bottom plate
- methanol
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Abstract
The present invention proposes a kind of defroster for concentrated type heat exchanger, the bottom plate of the device is the plectane for being provided with circular through hole one, outer ring support plate is located at the opposite side of bottom plate, annulus shape, and diameter is identical as bottom plate, several equidistant annulars of methanol injection-tube are fixed between bottom plate and outer ring support plate, inner ring support plate is located inside outer ring support plate, several methanol absorption pipes are fixed between bottom plate and inner ring support plate, and the part on bottom plate between outer ring support plate and inner ring support plate is provided with equally distributed through-hole one.Solves the problems, such as the defroster that the prior art does not match with concentrated type heat exchanger, a kind of defroster for concentrated type heat exchanger is provided, utilize the volatility and intersolubility of methanol liquid, reduce the temperature and partial pressure of vapor in heat exchanger inner air, so that air quickly through heat exchanger without generate frosting, thus reduce micro-channel heat exchanger generated due to frosting heat exchange efficiency loss risk.
Description
Technical field
The present invention relates to a kind of defrosters for concentrated type heat exchanger, belong to technical field of heat exchange equipment.
Background technique
Due to heat exchanger using low-temperature liquid helium as coolant, when the vapor in air passes through heat exchanger within the several seconds
It will freeze.When being cooled down, a large amount of liquid phase water is precipitated, and heat exchanger must be discharged in these water before frozen, with changing
Hot device main body contacts suddenly with air, it is necessary to try every possible means that these vapor is prevented to form jelly frost.
Intensive pipe heat exchanger has become current heat exchanger research and opens due to its small in size, light-weight advantage
Important new direction, but since structure is complicated and fine for intensive pipe heat exchanger, while meeting heat exchange efficiency, for heat exchange
The defrosting problem of device is still a problem.
Summary of the invention
The present invention is the defroster for solving the problems, such as the prior art and not matching with concentrated type heat exchanger, provides one
Kind is used for the defroster of concentrated type heat exchanger, and a set of heat exchanger defroster is additionally arranged in micro-channel heat exchanger, utilizes first
The volatility and intersolubility of alcohol liquid reduce the temperature and partial pressure of vapor in heat exchanger inner air, so that air quickly leads to
Heat exchanger is crossed without generating frosting, to reduce the risk that micro-channel heat exchanger generates heat exchange efficiency loss due to frosting.
The present invention proposes that a kind of defroster for concentrated type heat exchanger includes several methanol injection-tubes, the suction of several methanol
Closed tube, bottom plate, outer ring support plate and inner ring support plate, the bottom plate are the plectane for being provided with circular through hole one, the outer ring branch
Fagging is located at the opposite side of bottom plate, annulus shape, and diameter is identical as bottom plate, and the equidistant annular of several methanol injection-tubes is fixed
Between bottom plate and outer ring support plate, the inner ring support plate is located at the inside of outer ring support plate, several methanol absorption pipes
It is fixed between bottom plate and inner ring support plate, the part setting on the bottom plate between outer ring support plate and inner ring support plate
There is equally distributed through-hole one.
Preferably, the longitudinally mounted methanol injection-tube and methanol in annular of the intensive tube bundle heat exchanging part of concentrated type heat exchanger
Between absorption tube, and it is pierced by from the circular through hole of bottom plate one.
Preferably, the inside of the methanol injection-tube has micropore, the release for methanol.
Preferably, through-hole two, the position of the through-hole two and quantity and methanol are evenly arranged in the outer ring support plate
Injection-tube is corresponding.
Preferably, methanol injection-tube one end is fixedly connected with bottom plate, and is shut by bottom plate, and the other end and outer ring support
The annular through-hole two of plate is fixed, keeps being in communication with the outside.
Preferably, through-hole three, the position of the through-hole three and quantity and methanol are evenly arranged in the inner ring support plate
Absorption tube is corresponding.
Preferably, methanol injection-tube one end is fixedly connected with bottom plate, and is shut by bottom plate, and the other end and inner ring support
The annular through-hole three of plate is fixed, keeps being in communication with the outside.
Preferably, the methanol absorption pipe is surround by stainless (steel) wire and is formed.
Preferably, hydrophilic coating is covered with outside the methanol absorption pipe.
The working principle of defroster of the present invention for concentrated type heat exchanger are as follows:
The present invention is additionally arranged a set of heat exchanger defroster on the air direction of travel of intensive pipe heat exchanger, by entrance
Air methylates liquid, using the volatility and intersolubility of methanol liquid, reduces the temperature of vapor in heat exchanger inner air
Degree and partial pressure, and setting is covered with the methanol collection device of hydrophilic coating at air outlet slit, rejects Methanol Recovery using simultaneously
Allow air quickly through heat exchanger without generating frosting, so that reduce that micro-channel heat exchanger generated due to frosting changes
The loss of the thermal efficiency.
Having the beneficial effect that for defroster for concentrated type heat exchanger of the present invention increases in micro-channel heat exchanger
If a set of heat exchanger defroster, using the volatility and intersolubility of methanol liquid, reduces water in heat exchanger inner air and steam
The temperature and partial pressure of gas so that air quickly through heat exchanger without generate frosting, thus reduce micro-channel heat exchanger due to knot
Risk that is white and generating heat exchange efficiency loss.The configuration of the present invention is simple, it is easy to operate.
Detailed description of the invention
Fig. 1 is that the structure that the defroster of the present invention for concentrated type heat exchanger cooperates with concentrated type heat exchanger is shown
It is intended to one；
Fig. 2 is that the structure that the defroster of the present invention for concentrated type heat exchanger cooperates with concentrated type heat exchanger is shown
It is intended to two；
Fig. 3 is the main view of the bottom plate of the defroster of the present invention for concentrated type heat exchanger；
Fig. 4 is the structural schematic diagram of the defroster of the present invention for concentrated type heat exchanger；
Fig. 5 is the structural schematic diagram of the methanol injection-tube of the defroster of the present invention for concentrated type heat exchanger；
Fig. 6 is the structural schematic diagram of the methanol absorption pipe of the defroster of the present invention for concentrated type heat exchanger；
Appended drawing reference: 1- methanol injection-tube；2- intensive tube bundle heat exchanging part；3- methanol absorption pipe；4- bottom plate；5- support
Plate.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail:
Specific embodiment 1: illustrating present embodiment referring to Fig. 1-Fig. 6.It is changed described in present embodiment for concentrated type
The defroster of hot device includes several methanol injection-tubes 1, several methanol absorption pipes 3, bottom plate 4, outer ring support plate 5 and inner ring support
Plate 6, the bottom plate 4 are the plectane for being provided with circular through hole, and the outer ring support plate 5 is located at the opposite side of bottom plate 4, annulus shape,
And diameter is identical as bottom plate 4, the equidistant annular of several methanol injection-tubes 1 is fixed between bottom plate 4 and outer ring support plate 5,
The inner ring support plate 6 is located at the inside of outer ring support plate 5, and several methanol absorption pipes 3 are fixed on bottom plate 4 and inner ring supports
Between plate 6, the part on the bottom plate 4 between outer ring support plate 5 and inner ring support plate 6 is provided with equally distributed through-hole
One.
The longitudinally mounted methanol injection-tube 1 and methanol absorption in annular of the intensive tube bundle heat exchanging part 2 of concentrated type heat exchanger
Between pipe 3, and it is pierced by from the circular through hole of bottom plate 4 one.
The outside of intensive tube bundle heat exchanging part 2 is provided with the methanol injection injection-tube 1 of annulus distribution, and inside is provided with annulus
The methanol absorption pipe 3 of distribution.
The inside of the methanol injection-tube 1 has micropore, for the release of methanol, as shown in Figure 5.
Through-hole two, the position of the through-hole two and quantity and methanol injection-tube 1 are evenly arranged in the outer ring support plate 5
It is corresponding.Described 1 one end of methanol injection-tube is fixedly connected with bottom plate 4, and is shut by bottom plate 4, the ring of the other end and outer ring support plate 5
Shape through-hole two is fixed, keeps being in communication with the outside.
The other end of the methanol injection-tube 1 is connect with methanol syringe pump, and methanol is pumped into methanol injection-tube 1 by pump machine,
And flowed into air stream by micropore, the moisture in air stream is absorbed, to reduce steam partial pressure.
Through-hole three, the position of the through-hole three and quantity and methanol absorption pipe 3 are evenly arranged in the inner ring support plate 6
It is corresponding.Described 3 one end of methanol injection-tube is fixedly connected with bottom plate 4, and is shut by bottom plate 4, the ring of the other end and inner ring support plate 6
Shape through-hole three is fixed, keeps being in communication with the outside.
The methanol absorption pipe 3 is surround by stainless (steel) wire and is formed.Hydrophilic coating is covered with outside the methanol absorption pipe 3.
The methanol absorption pipe 3, around forming, is placed at heat exchanger air outlet slit, in passing air by stainless (steel) wire
Methanol solution be recycled, surface can cover hydrophilic coating, to increase absorptivity, as shown in Figure 6.
The operating process of defroster of the present invention for concentrated type heat exchanger are as follows:
Heat exchanger mainly consists of three parts, both the methanol injection-tube 1 of outer annular part, middle part intensive tube bundle heat exchanging part
Divide 2 and inside methanol absorption pipe 3.Air-flow direction is that heat exchanger is discharged after being flowed into interior annular by outer toroid, is successively passed through
Methanol injection-tube 1, intensive tube bundle heat exchanging part 2 and methanol absorption pipe 3.Methanol injection-tube 1 side in outside is shut by bottom plate 4, separately
Side is connected to methanol syringe pump, and the methanol being pumped into is entered in heat exchanger by side micropore；Middle side intensive tube bundle heat exchanging part 2 is two-way
It penetrates through, is passed through coolant liquid (such as liquid helium) to cooling air in pipe；Methanol absorption pipe 3 side in inside is shut by bottom plate 4, the other side
It is connected to vacuum pump, to absorb the methanol solution in outlet air.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright.It should be understood that the above is only a specific embodiment of the present invention, it is not intended to restrict the invention, also
It can be the reasonable combination for the feature that above-mentioned each embodiment is recorded, all timess within spirit of that invention and principle, done
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of defroster for concentrated type heat exchanger, which is characterized in that including several methanol injection-tubes (1), Ruo Ganjia
Alcohol absorption tube (3), bottom plate (4), outer ring support plate (5) and inner ring support plate (6), the bottom plate (4) are to be provided with circular through hole
Plectane, the outer ring support plate (5) is located at the opposite side of bottom plate (4), annulus shape, and diameter is identical as bottom plate (4), Ruo Gansuo
It states the equidistant annular of methanol injection-tube (1) to be fixed between bottom plate (4) and outer ring support plate (5), inner ring support plate (6) position
In the inside of outer ring support plate (5), several methanol absorption pipes (3) are fixed between bottom plate (4) and inner ring support plate (6),
Part on the bottom plate (4) between outer ring support plate (5) and inner ring support plate (6) is evenly distributed with through-hole one.
2. the defroster according to claim 1 for concentrated type heat exchanger, which is characterized in that concentrated type heat exchanger
Intensive tube bundle heat exchanging part (2) is longitudinally mounted between the methanol injection-tube (1) and methanol absorption pipe (3) of annular, and from bottom plate
(4) circular through hole one is pierced by.
3. the defroster according to claim 1 for concentrated type heat exchanger, which is characterized in that the methanol injection-tube
(1) inside has micropore, the release for methanol.
4. the defroster according to claim 1 for concentrated type heat exchanger, which is characterized in that the outer ring support plate
(5) through-hole two is evenly arranged on, the position of the through-hole two is corresponding with methanol injection-tube (1) with quantity.
5. the defroster according to claim 4 for concentrated type heat exchanger, which is characterized in that the methanol injection-tube
(1) one end is fixedly connected with bottom plate (4), and is shut by bottom plate (4), and the annular through-hole two of the other end and outer ring support plate (5) is solid
It is fixed, it keeps being in communication with the outside.
6. the defroster according to claim 1 for concentrated type heat exchanger, which is characterized in that the inner ring support plate
(6) through-hole three is evenly arranged on, the position of the through-hole three is corresponding with methanol absorption pipe (3) with quantity.
7. the defroster according to claim 6 for concentrated type heat exchanger, which is characterized in that the methanol absorption pipe
(3) one end is fixedly connected with bottom plate (4), and is shut by bottom plate (4), and the annular through-hole three of the other end and inner ring support plate (6) is solid
It is fixed, it keeps being in communication with the outside.
8. the defroster according to claim 1 for concentrated type heat exchanger, which is characterized in that the methanol absorption pipe
(3) it is surround and is formed by stainless (steel) wire.
9. the defroster according to claim 1 for concentrated type heat exchanger, which is characterized in that the methanol absorption pipe
(3) hydrophilic coating is covered with outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591753.9A CN109780921B (en) | 2018-12-25 | 2018-12-25 | Defrosting device for intensive heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591753.9A CN109780921B (en) | 2018-12-25 | 2018-12-25 | Defrosting device for intensive heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109780921A true CN109780921A (en) | 2019-05-21 |
| CN109780921B CN109780921B (en) | 2021-07-06 |
Family
ID=66498237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591753.9A Active CN109780921B (en) | 2018-12-25 | 2018-12-25 | Defrosting device for intensive heat exchanger |
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| Country | Link |
|---|---|
| CN (1) | CN109780921B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110030391A1 (en) * | 2009-08-06 | 2011-02-10 | Woodside Energy Limited | Mechanical Defrosting During Continuous Regasification of a Cryogenic Fluid Using Ambient Air |
| CN105637314A (en) * | 2013-10-11 | 2016-06-01 | 喷气发动机有限公司 | Heat exchanger |
| CN105860932A (en) * | 2016-06-06 | 2016-08-17 | 广东莱雅化工有限公司 | Ice-removing aerosol |
| CN106382834A (en) * | 2016-11-17 | 2017-02-08 | 天津市千罡燃气设备技术有限公司 | LNG room temperature gasifier |
| CN107218133A (en) * | 2017-05-25 | 2017-09-29 | 中国人民解放军装备学院 | A kind of precooling airbreathing motor high-efficiency compact precool heat exchanger device |
| CN206730791U (en) * | 2017-01-26 | 2017-12-12 | 上海聚宸新能源科技有限公司 | A kind of adsorption condensing device of band defrosting |
-
2018
- 2018-12-25 CN CN201811591753.9A patent/CN109780921B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110030391A1 (en) * | 2009-08-06 | 2011-02-10 | Woodside Energy Limited | Mechanical Defrosting During Continuous Regasification of a Cryogenic Fluid Using Ambient Air |
| CN105637314A (en) * | 2013-10-11 | 2016-06-01 | 喷气发动机有限公司 | Heat exchanger |
| CN105860932A (en) * | 2016-06-06 | 2016-08-17 | 广东莱雅化工有限公司 | Ice-removing aerosol |
| CN106382834A (en) * | 2016-11-17 | 2017-02-08 | 天津市千罡燃气设备技术有限公司 | LNG room temperature gasifier |
| CN206730791U (en) * | 2017-01-26 | 2017-12-12 | 上海聚宸新能源科技有限公司 | A kind of adsorption condensing device of band defrosting |
| CN107218133A (en) * | 2017-05-25 | 2017-09-29 | 中国人民解放军装备学院 | A kind of precooling airbreathing motor high-efficiency compact precool heat exchanger device |
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| Publication number | Publication date |
|---|---|
| CN109780921B (en) | 2021-07-06 |
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