CN2936372Y - Pressure reducing evaporator heated by low temperature heat source - Google Patents
Pressure reducing evaporator heated by low temperature heat source Download PDFInfo
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- CN2936372Y CN2936372Y CN 200620044925 CN200620044925U CN2936372Y CN 2936372 Y CN2936372 Y CN 2936372Y CN 200620044925 CN200620044925 CN 200620044925 CN 200620044925 U CN200620044925 U CN 200620044925U CN 2936372 Y CN2936372 Y CN 2936372Y
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- heat
- exchange portion
- evaporator
- heat exchange
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Abstract
The utility model discloses a pressure-relief evaporator heated by low-temperature heat source, comprising a canister, a vapor-collecting hood arranged on the opening of the canister and a vapor-collecting funnel connected with the top of the vapor-collecting hood. The utility model is characterized in that: the evaporator canister comprises an intake part at the bottom part, a heat-exchanging part in the middle part and an evaporating part in the upper part. A separating plate is arranged at the topside and underside of the heat-exchanging to separate the evaporating part and the intake part to form a closed container for the heating solution. A plurality of heat pipes for the solution are arranged in the heat-exchanging part. Both ends of the heat pipes are arranged through the upper and lower separating plate for the communication between the intake part and the evaporating part. An inlet and an outlet of the heating medium are arranged on the side wall of the heat-exchanging part. A material inlet is arranged at the bottom of the intake part and an outlet for the condensed material is arranged on the side wall of the evaporating part.
Description
Technical field
The utility model relates to the decompression evaporator of a kind of suitable low temperature (tens degree Celsius) thermal source heating evaporation, is specially adapted to the vapo(u)rization system that solar energy is main thermal source.
Background technology
Evaporimeter is widely used in the concentrated recycling of desalinization, chemical material weak solution.Traditional decompression evaporator adopts climbing film evaporator or falling film evaporator, its basic structure all is that many heat pipes are placed heat medium, with material solution from top or below flow through the inwall of heat pipe, form the very thin liquid film of one deck at inwall, the heat medium outer with heat pipe carries out heat exchange, thereby water vapour is upwards evaporated along heat pipe.When evaporimeter is used for the concentrated recycling of weak solution, promptly be required concentrated solution through the solution of pervaporation; When evaporimeter is used for desalinization, promptly be required fresh water after the water vapour condensation that is evaporated.
These evaporimeters are when high-temperature steam is as heating source more than 100 ℃, has higher evaporation efficiency, if but be used for (can only providing 80 degree Celsius following thermal source usually) under the low-temperature heat source heating evaporation condition as solar energy heating, thermal source is liquid state, because heat pipe only carries out heat exchange at the thin film and the external heated liquid of inwall, heat exchanger effectiveness is lower, so evaporation efficiency is low, lacks practical value.
In addition, in climbing film evaporator or falling film evaporator, adopt superfine heat pipe because because the heat pipe internal diameter is narrow, be easy to since material when concentrating on tube wall the formation crystallization cause pipeline blockage, influence evaporimeter and normally move.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of decompression evaporator with the low-temperature heat source heating, improves the heat exchanger effectiveness under the low-temperature heat source condition, and the difficult clogging that the material crystallization takes place and cause.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to provide a kind of decompression evaporator with the low-temperature heat source heating, comprise an evaporator tube, be located at the vapour collect cover of cylindrical shell oral area, and the collection vapour chimney that is connected in the vapour collect cover top, described evaporator tube comprises the feeder of bottom, the heat exchange portion at middle part and the evaporation part on top, wherein bottom surface respectively is provided with division board and evaporation part and feeder isolation in the heat exchange portion, form the closed container of circulation heat medium solution, vertically be provided with the heat pipe of many circulation material solution in the heat exchange portion, two division boards were to be communicated with feeder and evaporation part about each heat pipe two ends was passed; Heat exchange portion sidewall is provided with heat medium import and heat medium outlet; The feeder bottom is provided with material inlet, and the evaporation part sidewall is provided with concentrated material outlet.
Described decompression evaporator with the low-temperature heat source heating, wherein, described evaporator tube, division board, vapour collect cover and collection vapour chimney are made by resistant material.
Described decompression evaporator with the low-temperature heat source heating, wherein, described evaporator tube, division board, vapour collect cover and collection vapour chimney are made by resistant materials such as polypropylene plastics or stainless steel materials.
Described decompression evaporator with the low-temperature heat source heating, wherein, described vapour collect cover is preferably the taper vapour collect cover.
Described decompression evaporator with low-temperature heat source heating, wherein, one of them makes described heat pipe by modified polypropene graphite, stainless steel, line with rubber metal material.
Described decompression evaporator with low-temperature heat source heating, wherein, the upper portion side wall of heat exchange portion is located in the heat medium import of described heat exchange portion, and the lower sides of the heat exchange portion on heat medium import opposite is located in the heat medium outlet.
Described decompression evaporator with low-temperature heat source heating, wherein, between the feeder of described evaporator tube and the heat exchange portion, be connected by flange between heat exchange portion and the evaporation part.
The advantage that the utility model is compared traditional decompression evaporator with the decompression evaporator of low-temperature heat source heating is:
1. heat medium solution has occupied enough big volume, and with the whole submergences of heat pipe, so total thermal capacity of heat medium is bigger, helps the making full use of of heat energy of low-temperature heat medium solution;
2. adopt material horizontal liquid level evaporation mode, can carry out the evaporation of cryogenic fluid effectively;
3. owing to can adopt the low-temperature heat source heating, it is the vapo(u)rization system of heating source that the utility model is specially adapted to solar energy, adopts clean and inexhaustible solar energy, can save energy consumption cost greatly, can not bring negative effect to environment simultaneously.
Description of drawings
Below in conjunction with the drawings and specific embodiments feature and advantage of the present utility model are described, wherein:
Fig. 1 is the structural representation of the utility model with the decompression evaporator of low-temperature heat source heating;
Fig. 2 is the structural representation that the utility model is used with an example of the decompression evaporator of low-temperature heat source heating.
The specific embodiment
Fig. 1 is the structural representation of the utility model with the decompression evaporator of low-temperature heat source heating.See also shown in Figure 1ly, the present invention is with the decompression evaporator 100 of low-temperature heat source heating, the collection vapour chimney 5 that comprises a columniform evaporator tube 10, is located at the vapour collect cover 4 of cylindrical shell oral area and is connected in vapour collect cover 4 tops.Wherein evaporator tube 10 is made of the feeder 1 of bottom, the heat exchange portion 2 at middle part and the evaporation part 3 on top, and the upper shed of evaporation part 3 links to each other with vapour collect cover 4.The shape of vapour collect cover 4 preferably is made as taper.Evaporator tube 10, vapour collect cover 4 and collection vapour chimney 5 are selected the corrosion resistance material for use, especially when evaporator application is recycled in the chemical material weak solution is concentrated, in the present embodiment, evaporator tube 10, vapour collect cover 4 and collection vapour chimney 5 be polypropylene plastics sheet material preferably, it can be suitable for the evaporation and concentration of various deep-etching material solutions, has the effect of insulation, energy efficient again.Certainly also has similar effects such as materials such as stainless steels.
The last bottom surface of heat exchange portion 2 respectively is provided with division board 21,22, in the present embodiment, these two division boards are the flange plate that is used for sealing and fixing feeder 1 and evaporation part 3, be used for again heat exchange portion 2 is isolated with evaporation part 3 and feeder 1, make the heat exchange portion 2 inner closed containers that form circulation heat medium solution.Division board 21,22 is also preferably selected polypropylene plastics sheet material for use.Heat exchange portion 2 lower sidewall that heat exchange portion 2 side wall upper part one are provided with heat medium import 23, its opposite are provided with heat medium outlet 24.Vertically be provided with the heat pipe 25 of many circulation material solution in the heat exchange portion 2, two division boards 21,22 were to be communicated with feeder 1 and evaporation part 3 about the two ends of each heat pipe 25 were passed.In the present embodiment, the material of heat pipe 25 can be selected the material such as good heat conductivity such as modified polypropene graphite, stainless steel, line with rubber metals.As can be seen from Figure 1, the heat medium solution have occupied enough big volume in the heat exchange portion 2, so total thermal capacity of heat medium is bigger, help the making full use of of heat energy of low-temperature heat medium solution.And heat pipe 25 all is immersed in heat medium solution and the material solution, helps improving heat exchanger effectiveness, has overcome simultaneously to rise in film, the falling film evaporator heat pipe 25 inwalls because of the crystallization blocking problem in the past.
The bottom centre of feeder 1 is provided with material inlet 11, is used to flow into material solution.
The sidewall of evaporation part 3 is provided with and concentrates material outlet 31, is used to discharge concentrated material.In addition, on the barrel of evaporation part 3, be provided with visor 32, be convenient to observe the situation in the evaporation part 3.Also can be provided with on the barrel of evaporation part 3 such as instrument such as Pressure gauges 33, to monitor its internal work situation.Material solution covers heat exchange portion 2 during evaporation, and 3 whole bottom surface forms evaporating surface in the evaporation part, has replaced forming at heat pipe 25 inwalls the way of evaporating surface in the past.
Fig. 2 is the structural representation that the utility model is used with an example of the decompression evaporator of low-temperature heat source heating.Evaporimeter 100 links to each other with a head tank 200 by material inlet 11 among Fig. 2, the collection vapour chimney 5 of evaporimeter 100 links to each other with condenser 400 by flange, the heat medium import 23 of evaporimeter 100 and heat medium outlet 24 links to each other formation heat cycles loop with heating source 300.
During work, material solution in the head tank 200 utilizes liquid level difference, enter feeder 1 from material inlet 11, pass each heat pipe 25 and enter heat exchange portion 2, by the heating of the heat medium solution in the heat exchange portion 2, solution covers heat exchange portion 2 then, 3 formation evaporating surfaces evaporate in the evaporation part, steam is collected from taper vapour collect cover 4, enters collection vapour chimney 5, can be discharged from by the condenser 200 that is connected with collection vapour chimney 5 at last.Through pervaporation, reach material after concentrate requiring can be from the evaporation part the concentrated material outlet 31 of 3 sidewalls discharge.
Claims (7)
1. with the decompression evaporator of low-temperature heat source heating, comprise an evaporator tube, be located at the vapour collect cover of cylindrical shell oral area, and the collection vapour chimney that is connected in the vapour collect cover top, it is characterized in that, described evaporator tube comprises the feeder of bottom, the heat exchange portion at middle part and the evaporation part on top, wherein bottom surface respectively is provided with division board and evaporation part and feeder isolation in the heat exchange portion, form the closed container of circulation heat medium solution, vertically be provided with the heat pipe of many circulation material solution in the heat exchange portion, two division boards were to be communicated with feeder and evaporation part about each heat pipe two ends was passed; Heat exchange portion sidewall is provided with heat medium import and heat medium outlet; The feeder bottom is provided with material inlet, and the evaporation part sidewall is provided with concentrated material outlet.
2. the decompression evaporator with the low-temperature heat source heating as claimed in claim 1 is characterized in that described evaporator tube, division board, vapour collect cover and collection vapour chimney are made by resistant material.
3. the decompression evaporator with the low-temperature heat source heating as claimed in claim 1 or 2 is characterized in that described evaporator tube, division board, vapour collect cover and collection vapour chimney are made by polypropylene plastics or stainless steel material.
4. the decompression evaporator with the low-temperature heat source heating as claimed in claim 1 is characterized in that described vapour collect cover is the taper vapour collect cover.
5. the decompression evaporator with low-temperature heat source heating as claimed in claim 1 is characterized in that, one of them makes described heat pipe by modified polypropene graphite, stainless steel, line with rubber metal material.
6. the decompression evaporator with low-temperature heat source heating as claimed in claim 1 is characterized in that, the upper portion side wall of heat exchange portion is located in the heat medium import of described heat exchange portion, and the lower sides of the heat exchange portion on heat medium import opposite is located in the heat medium outlet.
7. the decompression evaporator with low-temperature heat source heating as claimed in claim 1 is characterized in that, between the feeder of described evaporator tube and the heat exchange portion, be connected by flange between heat exchange portion and the evaporation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044925 CN2936372Y (en) | 2006-08-18 | 2006-08-18 | Pressure reducing evaporator heated by low temperature heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044925 CN2936372Y (en) | 2006-08-18 | 2006-08-18 | Pressure reducing evaporator heated by low temperature heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2936372Y true CN2936372Y (en) | 2007-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620044925 Expired - Lifetime CN2936372Y (en) | 2006-08-18 | 2006-08-18 | Pressure reducing evaporator heated by low temperature heat source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2936372Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120091A (en) * | 2011-01-28 | 2011-07-13 | 林小芳 | Vacuum evaporation concentration device using composite heat source |
| CN102125769A (en) * | 2010-12-17 | 2011-07-20 | 郭德豪 | Vacuum evaporator |
| CN102701306A (en) * | 2012-06-26 | 2012-10-03 | 武汉浩普能环保设备工程有限公司 | Saline wastewater treatment equipment |
-
2006
- 2006-08-18 CN CN 200620044925 patent/CN2936372Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125769A (en) * | 2010-12-17 | 2011-07-20 | 郭德豪 | Vacuum evaporator |
| CN102125769B (en) * | 2010-12-17 | 2012-10-31 | 郭德豪 | Vacuum evaporator |
| CN102120091A (en) * | 2011-01-28 | 2011-07-13 | 林小芳 | Vacuum evaporation concentration device using composite heat source |
| CN102120091B (en) * | 2011-01-28 | 2015-04-15 | 林小芳 | Vacuum evaporation concentration device using composite heat source |
| CN102701306A (en) * | 2012-06-26 | 2012-10-03 | 武汉浩普能环保设备工程有限公司 | Saline wastewater treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU DAZHI CHEMICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUO DEHAO Effective date: 20081107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: No. 1, No. 2, rural East Road, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangdong, China: 510000 Patentee after: Guangzhou Dazhi Chemical Technology Co., Ltd. Address before: Room 11, No. 1588, Lane 1101, Kangding Road, Shanghai, 200042 Patentee before: Guo Dehao |
|
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG DAZHI ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER NAME: GUANGZHOU DAZHI CHEMICAL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 No. 1, No. 2, East Road, Yonghe Economic Zone, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: Guangdong Dazhi Environmental Protection Technology Co., Ltd. Address before: 510000 No. 1, No. 2, East Road, Yonghe Economic Zone, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangdong Patentee before: Guangzhou Dazhi Chemical Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070822 |
|
| EXPY | Termination of patent right or utility model |