CN202485339U - Energy-saving vacuum flashing type independent dehumidification system - Google Patents
Energy-saving vacuum flashing type independent dehumidification system Download PDFInfo
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- CN202485339U CN202485339U CN2012201037071U CN201220103707U CN202485339U CN 202485339 U CN202485339 U CN 202485339U CN 2012201037071 U CN2012201037071 U CN 2012201037071U CN 201220103707 U CN201220103707 U CN 201220103707U CN 202485339 U CN202485339 U CN 202485339U
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- 238000007791 dehumidification Methods 0.000 title abstract description 12
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- 238000001816 cooling Methods 0.000 claims abstract description 20
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Abstract
The utility model discloses an energy-saving vacuum flashing type independent dehumidification system, which comprises a heat accumulating and exchanging system and a cooling water system. The energy-saving vacuum flashing type independent dehumidification system is characterized in that the heat accumulating and exchanging system comprises a heat exchange device, wherein the heat exchange device is connected with a heat exchanger through a pipeline, a first pump is arranged on a pipeline loop of the heat accumulating and exchanging system, a dilute solution box is connected with one end of the heat exchanger through a solution pump, and the other end of the heat exchanger is connected with the cooling water system; and the cooling water system comprises a cooling coil arranged in a vacuum chamber, wherein a water tray is arranged under the cooling coil, the water outlet end of the vacuum chamber is connected with a concentrated solution box through a sluice valve, and liquid is pumped into the vacuum chamber by a second water pump. The energy-saving vacuum flashing type independent dehumidification system can eliminate water in a low-concentration desiccating agent solution in a vacuum flashing method so as to realize the regeneration of a desiccating agent. The cooling coil is positioned at the upper part in the vacuum chamber, and steam are exhausted to be supplied to sailors in a ship for daily use after condensing on the surface of the cooling coil, so that the entire independent dehumidification system has an energy-saving effect.
Description
Technical field
The utility model relates to the independent humidity control technical field, particularly utilizes the independent humidity control system of vacuum flashing technology.
Background technology
Dehumidifying is the FAQs in industrial and agricultural production and the people's daily life, especially in high humiditys such as China south area.In industrial processes, Along with people's improves constantly quality requirements such as air, water source, food, medicine, and the control of humidity becomes an important indicator in the production environment.Under high humidity environment, moisture and the water droplet that condenses can cause the accuracy of precision electronic devices such as some metrical instruments, sensor to descend, even lose efficacy.The variation meeting of ambient humidity produces very big influence to the shape and the surface texture of materials such as paper, woodwork, textile, also can cause harmful effect to production process, so these departments all will carry out strict regulation to the humidity of production environment.Except that commercial Application, the prior meaning that dehumidifies is to improve people's living environment.
At first, higher humidity can be some biological pollutants, accelerates like the growth of fungi (comprising mould), bacterium, virus, breeding and to the spread speed of air and human body, causes some breathing problems.The rate of release that indoor higher humidity and certain temperature also can be accelerated abiotic pollutant and at the chemical reaction velocity of building surface, these all are the origin causes of formation of Cure of Sick Building Syndrome.
Another significance of dehumidifying is for human body thermal comfort to be provided.At a certain temperature, reduce the heat increase that humidity can make the body water evaporation rate and distribute through evaporation, thereby make human body sensory nice and cool more, dry and comfortable.Some results of study in West Europe show, should remain on 40%-60% with the corresponding relative humidity of human thermal comfort.
The dehumidifying technology of comparative maturity has cooled dehumidifying, the dehumidifying of liquid-absorbent formula, solid adsorption type dehumidifying, membrane method dehumidifying, HVAC (Heating at present; Ventilating and Air conditioning, heating and ventilation and air-conditioning) system dehumidification and the runner absorption type dehumidifying that on solid adsorption type dehumidifying basis, grows up etc.
The basic principle of liquid adsorption formula dehumidifying is to utilize the steam partial pressure on the surface of liquid drier to be lower than the steam partial pressure in the humid air; Steam with humid air under the effect of barometric gradient absorbs in the drier; Steam partial pressure until both sides reaches balance, and absorption process finishes.The diluted drying capacity that loses behind the liquid drier absorption water vapour needs regeneration remove moisture.
Typical liquid-absorbent formula dehydrating unit mainly comprises equipment such as dehumidifier, regenerator, devaporizer, heat exchanger, pump, and Fig. 1 is the workflow diagram of a typical liquid-absorbent formula dehydrating unit.The treating capacity of liquid-absorbent formula dehumidification equipment is big, and effect on moisture extraction is good, and liquid drier also can absorb harmful substances such as airborne part germ, chemical pollutant when absorbing water vapour, and air is had certain catharsis.What the whole process of liquid-absorbent formula dehumidifier needed most is exactly the heat energy of desiccant regeneration, and low-grade energy such as these heat energy utilization solar energy, industrial waste heat just can satisfy, so energy consumption is less.But with respect to the cooled dehumidification equipment, liquid-absorbent formula dehumidification equipment volume is bigger, needs the eliminating of gas and used heat, and needs time-based maintenance, and whole device Energy Efficiency Ratio is also lower.
Liquid solution is understood corroding metal in liquid-absorbent formula dehumidification equipment in addition; And if the flow velocity of solution is improper will produce the spittle; Therefore liquid-absorbent formula dehumidifying technology is mainly used in the commercial production at present, remains further exploitation in the application of non-industrial circle.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art; The purpose of the utility model provides the energy-saving independent humidity control of vacuum flashing system; Utilize the method for vacuum flashing to remove the moisture in the drier, effectively improve desiccant solution concentration and reduce the desiccant solution temperature, utilize natural cold source cooling water steam to utilize again; Cut down the consumption of energy, increase work efficiency.
To achieve these goals, the technical scheme that the utility model adopted is:
The energy-saving independent humidity control of vacuum flashing system; Comprise thermal-arrest heat-exchange system and cooling water system; Said thermal-arrest heat-exchange system comprises heat exchanger 1; Heat exchanger 1 is connected with heat exchanger 10 through pipeline, and the said first water pump 2-1 is arranged on the pipeline loop of thermal-arrest heat-exchange system, the break-make of control pipeline loop;
Said weak solution case 3 is connected with an end of heat exchanger 10 through solution pump 5; The other end of heat exchanger 10 is connected with cooling water system; Said cooling water system comprises the cooling coil 6 that is arranged in the vacuum chamber 9; Said cooling coil 6 belows are provided with a water-supporting disc 7, and the water side of vacuum chamber 9 is connected with concentrated solution case 12 through drain valve 13, and the said second water pump 2-2 extracts liquid and gets in the vacuum chamber 9.
Be provided with dehumidifier 14 between said concentrated solution case 12 and the weak solution case 3.
The pipeline top that said heat exchanger 10 gets in the vacuum chamber 9 also is provided with atomization sprayer 8.
The arrival end of said vacuum chamber 9 is provided with drier 15, and connects external device (ED) through vavuum pump 4.
Said water-supporting disc 7 also is provided with condensate tank 11.
When vavuum pump 4 is opened work; The drier weak solution sprays in vacuum chamber 9 through atomization sprayer 8; High-pressure solution atomizes through atomizer; And heat absorption is vaporizated into steam under low normal pressure and temperature state, and solution dries out and becomes concentrated solution and temperature reduces rapidly, gathers the back in vacuum chamber 9 bottoms and discharges through osculum; Cooling coil 6 is arranged on the top in the vacuum chamber 9, and a water-supporting disc 7 is arranged at the bottom, and the steam that is condensed into water through cooling coil 6 drips back vacuum chamber 9 and accumulates on the water-supporting disc 7; Drain valve 13 is a normally open valve, through the power supply control of vavuum pump 4, closes when vavuum pump 4 is opened; When quitting work, opens by vavuum pump 4 draining; Cooling coil 6 can also absorb the heat in the vacuum chamber 9 simultaneously, reduces temperature in the vacuum chamber 9, increases work efficiency;
Be provided with drier 15 before the vavuum pump 4, can absorb residual water vapor, guarantee normal, the safe operation of vavuum pump 4.
The utility model is than existing its advantage of liquid dehumidification system comparison:
1. the drier weak solution is removed moisture through the method for vacuum flashing, becomes concentrated solution, realizes regeneration.
2. cooling coil is arranged in the vacuum chamber, in the time of condensed steam, can also absorb internal vacuum chamber and divide heat, improves the operating efficiency of system, and energy-saving effect is obvious.
3. the steam that is condensed into water can be used for the daily use on the ship, for oceangoing voyage is provided convenience.
4. the quantity of waste heat heat drying agent weak solution of utilizing engine of boat and ship to distribute, energy-saving effect is obvious.
5. before the vavuum pump drier is set, the infiltration of prevention small amount of moisture ensures the vavuum pump security of operation.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing and case study on implementation.
Fig. 1 is the structural representation of the utility model.
Label among the figure:
1. heat exchanger 2. water pumps 3. weak solution casees 4. vavuum pumps 5. solution pumps 6. cooling coils 7. water-supporting discs 8. atomization sprayers 9. vacuum chambers 10. heat exchangers 11. condensate tanks 12. concentrated solution casees 13. drain valves 14. dehumidifiers 15. driers
The specific embodiment
In conjunction with accompanying drawing, below the structural principle of utility model is described in further detail.
The utility model independent humidity control system is with reference to accompanying drawing 2; The utility model is the innovation on the conventional liq dehumidification system, and the utility model mainly comprises: the energy-saving independent humidity control of vacuum flashing system comprises thermal-arrest heat-exchange system and cooling water system; Said thermal-arrest heat-exchange system comprises heat exchanger 1; Heat exchanger 1 is connected with heat exchanger 10 through pipeline, and the said first water pump 2-1 is arranged on the pipeline loop of thermal-arrest heat-exchange system, the break-make of control pipeline loop;
Said weak solution case 3 is connected with an end of heat exchanger 10 through solution pump 5; The other end of heat exchanger 10 is connected with cooling water system; Said cooling water system comprises the cooling coil 6 that is arranged in the vacuum chamber 9; Said cooling coil 6 belows are provided with a water-supporting disc 7, and the water side of vacuum chamber 9 is connected with concentrated solution case 12 through drain valve 13, and the said second water pump 2-2 extracts liquid and gets in the vacuum chamber 9.
Be provided with dehumidifier 14 between said concentrated solution case 12 and the weak solution case 3.
The pipeline top that said heat exchanger 10 gets in the vacuum chamber 9 also is provided with atomization sprayer 8.
The arrival end of said vacuum chamber 9 is provided with drier 15, and connects external device (ED) through vavuum pump 4.
Said water-supporting disc 7 also is provided with condensate tank 11.
The drain valve 13 of the utility model is a normally open valve, and the control power supply is that vavuum pump 4 startup power supplys are light current; Heat exchanger 1 is positioned at Engine Surface, and the second water pump 2-2 extracts the hull bottom seawater.
Before starting working, the second water pump 2-2 starts, and extracts the hull bottom seawater, and cooling coil 6 is in low-temperature condition; The first water pump 2-1 starts, and the thermal-arrest heat-exchange system is in running order; Vavuum pump 4 starts, and this moment, drain valve 13 was in closed condition.
Observe vacuum chamber 9 internal pressures through vacuum meter 1 and change, when vavuum pump 4 was pumped near limiting condition, solution pump 5 began to extract the drier weak solution; Weak solution heats through heat exchanger 10, and is pressed into the atomization sprayer 8 that is contained in vacuum chamber 9 middle and upper parts, and weak solution atomizes in spray thrower; Spray in the vacuum chamber 9, the boiling point of water is accompanied by the decline of pressure and descends, heat absorption vaporization at normal temperatures; Do not having under the situation of external heat source, temperature sharply reduces in the vacuum chamber 9, and the interior of solution can shift under the effect of temperature potential from inside to outside; Solution temperature descends and gathers in vacuum chamber 9 bottoms, drains into concentrated solution case 12 through osculum.
Utilize the method for vacuum flashing to reach the purpose of rising solution concentration, make drier realize regeneration.Vacuum meter shows that vacuum chamber 9 internal pressures sharply rise, and descend then.Steam in the vacuum chamber and air get into cooling coil 6; Cooling coil 6 is a cooling coil; Surface temperature is lower than under this pressure corresponding dew-point temperature, and steam changes aqueous water into separates out on its surface, and is wandered by the gravity effect and to collect in the vacuum chamber 9; Cooling coil 6 lower ends are provided with in the water-supporting disc 7, drain into condensation water tank 11 through osculum.
Inevitably can there be the moisture of minute quantity in the air that is inhaled into vavuum pump 4; Air gets into before the vavuum pump 4 in this section, is provided with drier 15, can effectively absorb this part residual moisture; Guarantee that getting into the whole of vavuum pump 4 is dry air; Prevent to cause the lubricating condition deterioration of vavuum pump 4 and the cavitation erosion of blade, reduction of service life, make the vavuum pump safe operation because of absorbing steam.
When solution was full of concentrated solution casing 12, the drain valve 13 that connects concentrated solution casing 12 and vacuum chamber 9 cut out automatically, opens automatically with discharge opeing (water) valve of rear box; After discharge opeing (water) finished, discharge opeing (water) valve cut out, and vavuum pump is opened automatically and extracted gas in the casing; Up to vacuum chamber internal pressure balance the time; The magnetic valve that connects both is opened again, and so back and forth operation realizes the cyclic regeneration of solution.
More than show and described the basic principle of utility model and the advantage of principal character and utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. the energy-saving independent humidity control of vacuum flashing system; Comprise thermal-arrest heat-exchange system and cooling water system; It is characterized in that said thermal-arrest heat-exchange system comprises heat exchanger (1), heat exchanger (1) is connected with heat exchanger (10) through pipeline; Said first water pump (2-1) is arranged on the pipeline loop of thermal-arrest heat-exchange system, the break-make of control pipeline loop;
Said weak solution case (3) is connected with an end of heat exchanger (10) through solution pump (5); The other end of heat exchanger (10) is connected with cooling water system; Said cooling water system comprises the cooling coil (6) that is arranged in the vacuum chamber (9); Said cooling coil (6) below is provided with a water-supporting disc (7), and the water side of vacuum chamber (9) is connected with concentrated solution case (12) through drain valve (13), and said second water pump (2-2) extracts liquid and gets in the vacuum chamber (9).
2. the energy-saving independent humidity control of vacuum flashing according to claim 1 system is characterized in that, is provided with dehumidifier (14) between said concentrated solution case (12) and the weak solution case (3).
3. the energy-saving independent humidity control of vacuum flashing according to claim 1 system is characterized in that, the pipeline top that said heat exchanger (10) gets in the vacuum chamber (9) also is provided with atomization sprayer (8).
4. the energy-saving independent humidity control of vacuum flashing according to claim 1 system is characterized in that the arrival end of said vacuum chamber (9) is provided with drier (15), and connects external device (ED) through vavuum pump (4).
5. the energy-saving independent humidity control of vacuum flashing according to claim 1 system is characterized in that said water-supporting disc (7) also is provided with condensate tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201037071U CN202485339U (en) | 2012-03-19 | 2012-03-19 | Energy-saving vacuum flashing type independent dehumidification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201037071U CN202485339U (en) | 2012-03-19 | 2012-03-19 | Energy-saving vacuum flashing type independent dehumidification system |
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| Publication Number | Publication Date |
|---|---|
| CN202485339U true CN202485339U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201037071U Expired - Fee Related CN202485339U (en) | 2012-03-19 | 2012-03-19 | Energy-saving vacuum flashing type independent dehumidification system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589255A (en) * | 2012-03-19 | 2012-07-18 | 上海海事大学 | Vacuum flashing energy-saving independent dehumidification system |
| CN110926120A (en) * | 2018-12-28 | 2020-03-27 | 韩荣献 | Dynamic vacuum system with balanced chamber and material drying method |
| WO2022007318A1 (en) * | 2020-07-08 | 2022-01-13 | 南京工业大学 | Flash evaporation regeneration-based solution dehumidification and fresh water preparation composite system |
-
2012
- 2012-03-19 CN CN2012201037071U patent/CN202485339U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589255A (en) * | 2012-03-19 | 2012-07-18 | 上海海事大学 | Vacuum flashing energy-saving independent dehumidification system |
| CN110926120A (en) * | 2018-12-28 | 2020-03-27 | 韩荣献 | Dynamic vacuum system with balanced chamber and material drying method |
| CN110926120B (en) * | 2018-12-28 | 2023-05-12 | 韩荣献 | Dynamic vacuum system with balanced chamber and material drying method |
| WO2022007318A1 (en) * | 2020-07-08 | 2022-01-13 | 南京工业大学 | Flash evaporation regeneration-based solution dehumidification and fresh water preparation composite system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20130319 |