CN204293894U - A kind of electric field-enhanced tube type falling-film vaporising device - Google Patents
A kind of electric field-enhanced tube type falling-film vaporising device Download PDFInfo
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- CN204293894U CN204293894U CN201420746630.9U CN201420746630U CN204293894U CN 204293894 U CN204293894 U CN 204293894U CN 201420746630 U CN201420746630 U CN 201420746630U CN 204293894 U CN204293894 U CN 204293894U
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Abstract
The utility model discloses a kind of electric field-enhanced tube type falling-film vaporising device, and device forms primarily of high voltage source, battery lead plate, electrode wires, seal, liquid distributor, stainless steel tube, housing and gas-liquid separator.In the utility model, liquid is entered in stainless steel tube by liquid distributor and forms falling liquid film, evaporate after absorbing the heat of shell-side steam-condensation release, the high voltage electric field of simultaneously electrode wires formation in pipe can enhanced water evaporation process further, entered gas-liquid separator by the liquid evaporated and carry out gas-liquid separation, indirect steam and the liquid be concentrated all can utilize further.The utility model utilizes the effect of high voltage electric field enhanced water evaporation, arranges that electrode forms high voltage electric field, can improve the heat transfer coefficient of evaporimeter, reduce the heat exchange area of evaporimeter, save tubing, reduce energy consumption in falling film evaporator.
Description
Technical field
The utility model relates to a kind of electric field-enhanced tube type falling-film vaporising device, belongs to the technical field of evaporimeter.
Background technology
Evaporation is exactly the method with heating, the solution containing fixedness solute is heated to boiling situation, partial solvent is vaporized and is removed, thus improves the unit operations of solute concentration in solvent.Apply evaporation operation in industrial production and have following several occasion: 1. concentrating dilute solution is directly produced product or concentrated solution reprocessing (as crystallisation by cooling) is produced solid product, concentrating of such as electrolytic caustic soda liquid, concentrating of sugar water solution and concentrating of various fruit juice; 2. concentrated solution and recycling design while, the concentrated de-benzene of such as organophosphorus pesticide benzole soln, the evaporation etc. of alcohol leachate in Chinese medicine production; 3. in order to obtain pure solvent, such as desalinization etc.Mainly contain flooded evaporator, dry evaporator and downward film evaporator three kinds in form.Falling film evaporator is a kind of conventional evaporation equipment, have advantages such as having a narrow range of temperature, the holdup time is short, long working life, compact conformation, effect number are unrestricted, oneself is widely used in the industries such as metallurgy, food processing, desalinization, chemical industry, light industry, medicine, sewage disposal.
Along with the develop rapidly of World Economics, the mankind have been faced with day by day serious global warming and the threat of lack of energy.In order to improve the efficiency of China's using energy source, realize the sustainable development of China, country proposes " energy-saving and emission-reduction " policy, and vigorously implements.Therefore, if the heat transfer coefficient of falling film evaporator is improved further, will effectively save the energy required for evaporation process, reach energy-conservation object.
The shallow river of Japanese scholars finds that in experiment in 1976 electric field can evaporation enhancement and substantially not consuming energy, and is called as shallow river effect.Theory analysis is thought, electric field-enhanced boiling heat transfer can be explained from two aspects: be exactly the effect of dielectrophoresis force to steam bubble on the one hand; It is exactly on the other hand the stretching action of electric charge on electric charge in liquid-vaqor interface and heat-transfer surface.With regard to promoting the effect of evaporation, DC electric field is better than AC field, and line electrode is better than plate electrode.Electric energy consumption needed for electric field-enhanced heat transfer is very little relative to heat output, substantially can ignore, can be effectively energy-conservation, therefore has very large development prospect.
Utilize electric field to promote evaporation and this feature that substantially do not consume energy, arrange electrode by traditional tube-type down-flow evaporator, form a kind of electric field-enhanced falling film type evaporation device, the coefficient of heat transfer of evaporimeter can be improved, reduce the heat exchange area of evaporimeter, save tubing, reduce energy consumption.
Summary of the invention
It is not high that the utility model object is to overcome existing evaporimeter biography coefficient, the deficiency that volume is excessive, high voltage electric field this phenomenon of enhanced water evaporation process can be applied to traditional tube-type down-flow evaporator, the electric field-enhanced falling film type evaporation device that a kind of heat transfer coefficient is high, volume is little, energy consumption is low is provided.
Electric field-enhanced tube type falling-film vaporising device comprises heat insulation pedestal, electric pole plate, electrode wires, liquid distributor, evaporator shell, steam inlet, coolant outlet, stainless steel tube, liquid outlet, lower insulating base, lower electrode plate, high voltage source, insulator, tight loop, conducting rod, liquid inlet, two-phase exports, polytetrafluoroethylene (PTFE) shaped spiral housing, insulator foot, support bar, gas-liquid separator, upper perforated plate, lower perforated plate, liquid distribution plate, liquid distributing hole, connect liquid plate, pin hole, insulation support body,
Evaporator shell is provided with insulating base, electric pole plate, liquid distributor, upper perforated plate, stainless steel tube, lower perforated plate, lower insulating base, lower electrode plate from top to bottom in turn, and electric pole plate and lower electrode plate are embedded in insulating base and lower insulating base respectively;
Evaporator shell top is provided with insulator foot, insulator foot upper end is connected with polytetrafluoroethylene (PTFE) shaped spiral housing by tight loop, polytetrafluoroethylene (PTFE) shaped spiral housing upper end is provided with insulator, high voltage source is connected with electric pole plate by insulator, conducting rod, electric pole plate, by many electrode wires, is connected with lower electrode plate through liquid distributor, upper perforated plate, stainless steel tube, lower perforated plate;
Evaporator shell upper portion side wall is provided with liquid inlet, and in the middle part of evaporator shell, sidewall is provided with steam inlet, coolant outlet, and evaporator shell lower sides is provided with two-phase outlet, liquid outlet, and two-phase outlet is connected with gas-liquid separator;
Liquid distributor comprises liquid distribution plate, liquid distributing hole and connects liquid plate, connecing liquid plate is positioned at directly over liquid distribution plate, the area connecing liquid plate is less than liquid distribution plate, liquid distribution plate is evenly provided with some liquid distributing holes, the position of liquid distributing hole and the position interlaced arrangement of stainless steel tube, the electrode wires perforation connect on liquid plate and liquid distribution plate is all embedded with insulating materials;
Electrode wires is fixed in stainless steel tube by insulation support body.
Described insulation support body comprises external insulation circle, insulating support rod and interior insulated ring, and interior insulated ring is connected with external insulation circle by insulating support rod, and insulating support rod is provided with liquid leakage tank, and interior insulated ring is provided with liquid-leaking nozzle.
Described high voltage source is dc source, and voltage max is 30kV.
Compared with prior art, the utility model has the following advantages:
1, the utility model utilizes this effect of electric field-enhanced evaporation, in traditional falling film evaporator, be provided with electrode wires, can improve the heat transfer coefficient of evaporimeter, reduces the volume of evaporimeter, saves tubing, reduce energy consumption.
2, the utility model electric supply installation and the electrical body such as electrode wires, battery lead plate are all provided with seal, itself and evaporator shell are kept apart, and ensure that the safety of equipment use.
3, the utility model is convenient directly improves on original falling film evaporator basis, reduces manufacturing improvement cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric field-enhanced tube type falling-film vaporising device;
Fig. 2 is liquid distributor partial enlarged drawing of the present utility model;
Fig. 3 is liquid distributor top view of the present utility model;
Fig. 4 is electric pole plate of the present utility model and upper seal upward view;
Fig. 5 is electrode wires of the present utility model and stainless steel tube relative position figure;
Fig. 6 is insulation support body close-up top view of the present utility model.
Detailed description of the invention
As Fig. 1, 2, 3, 4, 5, shown in 6, electric field-enhanced tube type falling-film vaporising device comprises insulating base 1, electric pole plate 2, electrode wires 3, liquid distributor 4, evaporator shell 5, steam inlet 6A, coolant outlet 6B, stainless steel tube 7, liquid outlet 8, lower insulating base 9, lower electrode plate 10, high voltage source 11, insulator 12, tight loop 13, conducting rod 14, liquid inlet 15A, two-phase outlet 15B, polytetrafluoroethylene (PTFE) shaped spiral housing 16, insulator foot 17, support bar 18, gas-liquid separator 19, upper perforated plate 20A, lower perforated plate 20B, liquid distribution plate 21, liquid distributing hole 22, connect liquid plate 23, pin hole 24, insulation support body 25,
Evaporator shell 5 is provided with insulating base 1, electric pole plate 2, liquid distributor 4, upper perforated plate 20A, stainless steel tube 7, lower perforated plate 20B, lower insulating base 9, lower electrode plate 10 from top to bottom in turn, and electric pole plate 2 and lower electrode plate 10 are embedded in insulating base 1 and lower insulating base 9 respectively;
Evaporator shell top is provided with insulator foot 17, insulator foot upper end is connected with polytetrafluoroethylene (PTFE) shaped spiral housing 16 by tight loop 13, polytetrafluoroethylene (PTFE) shaped spiral housing upper end is provided with insulator 12, high voltage source 11 is connected with electric pole plate 2 by insulator, conducting rod 14, electric pole plate, by many electrode wires 3, is connected with lower electrode plate 10 through liquid distributor 4, upper perforated plate 20A, stainless steel tube 7, lower perforated plate 20B;
Evaporator shell upper portion side wall is provided with liquid inlet 15A, and in the middle part of evaporator shell, sidewall is provided with steam inlet 6A, coolant outlet 6B, and evaporator shell lower sides is provided with two-phase outlet 15B, liquid outlet 8, and two-phase outlet is connected with gas-liquid separator 19;
Liquid distributor 4 comprises liquid distribution plate 21, liquid distributing hole 22 and connects liquid plate 23, connecing liquid plate 23 is positioned at directly over liquid distribution plate 21, the area connecing liquid plate 23 is less than liquid distribution plate 21, liquid distribution plate 21 is evenly provided with some liquid distributing holes 22, the position of liquid distributing hole 22 and the position interlaced arrangement of stainless steel tube 7, the electrode wires perforation connect on liquid plate 23 and liquid distribution plate 21 is all embedded with insulating materials;
Electrode wires 3 is fixed in stainless steel tube 7 by insulation support body 25.
Described insulation support body 25 comprises external insulation circle 26, insulating support rod 28 and interior insulated ring 29, and interior insulated ring is connected with external insulation circle by insulating support rod, and insulating support rod 28 is provided with liquid leakage tank 27, and interior insulated ring is provided with liquid-leaking nozzle 30.
Described high voltage source 11 is dc source, and voltage max is 30kV.
Described electric field-enhanced tube type falling-film method of evaporating is: liquid is through liquid inlet 15A, be evenly distributed among stainless steel tube 7 after liquid distributor 4 cloth liquid, form film evaporation device, steam enters evaporimeter shell side through steam inlet 6A simultaneously, steam is solidifying at stainless steel tube 7 outgoing raw food, discharge latent heat, heat is delivered on the liquid falling liquid film in pipe by stainless steel tube 7, in the process, high voltage is applied in electrode wires 3 by electric pole plate 2 and lower electrode plate 10 by high voltage source 11, stainless steel tube 7 is by upper perforated plate 20A and lower perforated plate 20B ground connection, thus high voltage electric field is formed between electrode wires 3 and stainless steel tube 7, the latent heat of the liquid falling film absorption steam-condensation release in pipe evaporates, high voltage electric field between electrode wires 3 and stainless steel tube 7 further promotes the evaporation process of liquid film.Become cooling water after steam-condensation, discharge evaporimeter from coolant outlet 6B.Fallen along stainless steel tube 7 by the liquid falling liquid film evaporated, gas-liquid separator 19 is entered into through two-phase outlet 15B, in gas-liquid separator 19, gas-liquid separation occurs, indirect steam and concentrate leave, by further Collection utilization from the outlet up and down of gas-liquid separator 19 respectively.Partial concentration liquid does not enter gas-liquid separator 19, but directly falls into the lower space of evaporimeter, and discharges evaporimeter from liquid outlet 8.
The method of described liquid distributor 4 cloth liquid is: liquid enters evaporimeter through liquid inlet 15A, fall and connect on liquid plate 23, connect liquid plate 23 cushioning effects, liquid drops to liquid distribution plate 21 from the outward flange connecing liquid plate 23, on liquid distribution plate, the liquid distributing hole 22 of 21 drops on upper perforated plate 20A, stainless steel tube 7 and upper perforated plate 20A junction are provided with cross section of leading, and liquid is entered in stainless steel tube 7 by guiding interface and forms film evaporation device.
Below in conjunction with instantiation, the utility model is set forth, but the utility model can not be limited by any way.
This example mesohigh supply voltage is 15-20kv, stainless steel tube internal diameter is 30mm, by the apparatus and method in detailed description of the invention, doubly, electric field energy consumption is only about 0.1% of heat output to the 2.5-3.2 of Results to be the evaporation capacity in the unit time the be vaporising device not applying electric field.
Claims (3)
1. an electric field-enhanced tube type falling-film vaporising device, it is characterized in that comprising insulating base (1), electric pole plate (2), electrode wires (3), liquid distributor (4), evaporator shell (5), steam inlet (6A), coolant outlet (6B), stainless steel tube (7), liquid outlet (8), lower insulating base (9), lower electrode plate (10), high voltage source (11), insulator (12), tight loop (13), conducting rod (14), liquid inlet (15A), two-phase outlet (15B), polytetrafluoroethylene (PTFE) shaped spiral housing (16), insulator foot (17), support bar (18), gas-liquid separator (19), upper perforated plate (20A), lower perforated plate (20B), liquid distribution plate (21), liquid distributing hole (22), connect liquid plate (23), pin hole (24), insulation support body (25),
Evaporator shell (5) is provided with insulating base (1), electric pole plate (2), liquid distributor (4), upper perforated plate (20A), stainless steel tube (7), lower perforated plate (20B), lower insulating base (9), lower electrode plate (10) from top to bottom in turn, and electric pole plate (2) and lower electrode plate (10) are embedded in insulating base (1) and lower insulating base (9) respectively;
Evaporator shell top is provided with insulator foot (17), insulator foot upper end is connected with polytetrafluoroethylene (PTFE) shaped spiral housing (16) by tight loop (13), polytetrafluoroethylene (PTFE) shaped spiral housing upper end is provided with insulator (12), high voltage source (11) is connected with electric pole plate (2) by insulator, conducting rod (14), electric pole plate, by many electrode wires (3), is connected with lower electrode plate (10) through liquid distributor (4), upper perforated plate (20A), stainless steel tube (7), lower perforated plate (20B);
Evaporator shell upper portion side wall is provided with liquid inlet (15A), in the middle part of evaporator shell, sidewall is provided with steam inlet (6A), coolant outlet (6B), evaporator shell lower sides is provided with two-phase outlet (15B), liquid outlet (8), and two-phase outlet is connected with gas-liquid separator (19);
Liquid distributor (4) comprises liquid distribution plate (21), liquid distributing hole (22) and connects liquid plate (23), connecing liquid plate (23) is positioned at directly over liquid distribution plate (21), the area connecing liquid plate (23) is less than liquid distribution plate (21), liquid distribution plate (21) is evenly provided with some liquid distributing holes (22), the position of liquid distributing hole (22) and the position interlaced arrangement of stainless steel tube (7), the electrode wires perforation connect on liquid plate (23) and liquid distribution plate (21) is all embedded with insulating materials;
Electrode wires (3) is fixed in stainless steel tube (7) by insulation support body (25).
2. according to the electric field-enhanced tube type falling-film vaporising device of the one described in claim 1, it is characterized in that, described insulation support body (25) comprises external insulation circle (26), insulating support rod (28) and interior insulated ring (29), interior insulated ring is connected with external insulation circle by insulating support rod, insulating support rod (28) is provided with liquid leakage tank (27), and interior insulated ring is provided with liquid-leaking nozzle (30).
3. according to the electric field-enhanced tube type falling-film vaporising device of the one described in claim 1, it is characterized in that, described high voltage source (11) is dc source, and voltage max is 30kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746630.9U CN204293894U (en) | 2014-12-03 | 2014-12-03 | A kind of electric field-enhanced tube type falling-film vaporising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746630.9U CN204293894U (en) | 2014-12-03 | 2014-12-03 | A kind of electric field-enhanced tube type falling-film vaporising device |
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| Publication Number | Publication Date |
|---|---|
| CN204293894U true CN204293894U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746630.9U Withdrawn - After Issue CN204293894U (en) | 2014-12-03 | 2014-12-03 | A kind of electric field-enhanced tube type falling-film vaporising device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436719A (en) * | 2014-12-03 | 2015-03-25 | 浙江大学 | Electric field-intensified tube type falling-film evaporation device and method |
| CN108862438A (en) * | 2018-09-11 | 2018-11-23 | 首航洁能科技有限公司 | A kind of multiple-effect evaporation concentration systems of brine waste |
| CN111389106A (en) * | 2020-03-25 | 2020-07-10 | 苏州汇博龙环保科技有限公司 | High-temperature-resistant anti-corrosion rotational flow shear type gas-liquid separator |
-
2014
- 2014-12-03 CN CN201420746630.9U patent/CN204293894U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436719A (en) * | 2014-12-03 | 2015-03-25 | 浙江大学 | Electric field-intensified tube type falling-film evaporation device and method |
| CN104436719B (en) * | 2014-12-03 | 2015-12-02 | 浙江大学 | A kind of electric field-enhanced tube type falling-film vaporising device and method thereof |
| CN108862438A (en) * | 2018-09-11 | 2018-11-23 | 首航洁能科技有限公司 | A kind of multiple-effect evaporation concentration systems of brine waste |
| CN111389106A (en) * | 2020-03-25 | 2020-07-10 | 苏州汇博龙环保科技有限公司 | High-temperature-resistant anti-corrosion rotational flow shear type gas-liquid separator |
| CN111389106B (en) * | 2020-03-25 | 2021-08-24 | 苏州汇博龙环保科技有限公司 | High-temperature-resistant anti-corrosion rotational flow shear type gas-liquid separator |
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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 |
Granted publication date: 20150429 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |