CN202590410U - Reduced pressure distillation and concentration equipment - Google Patents
Reduced pressure distillation and concentration equipment Download PDFInfo
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- CN202590410U CN202590410U CN 201220252340 CN201220252340U CN202590410U CN 202590410 U CN202590410 U CN 202590410U CN 201220252340 CN201220252340 CN 201220252340 CN 201220252340 U CN201220252340 U CN 201220252340U CN 202590410 U CN202590410 U CN 202590410U
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Abstract
The utility model discloses reduced pressure distillation and concentration equipment. The reduced pressure distillation and concentration equipment comprises a material heating tank (7), a material evaporating tank (6), a cooling tower (3), a vacuum pump (1), a water tank (5) and a heating device of the material heating tank (7), wherein the material evaporating tank (6) is communicated with the material heating tank (7) through a material circulating pipeline (19); the cooling tower (3) is communicated with the material evaporating tank (6) through a steam pipeline (21); the vacuum pump (1) is communicated with the cooling tower (3); and the water tank (5) is arranged under the cooling tower (3). The reduced pressure distillation and concentration equipment is characterized in that the heating device is a hot water circulating pipeline (17), wherein a hot water circulating pump (18) and a condenser (20) with a condensing coil are arranged on the hot water circulating pipeline (17); the condensing coil, a compressor (13), an evaporating coil, a liquid storage tank (14) and an expansion valve (16) are connected to form a circulating pipeline so as to form a heat exchange device through circulating pipelines; a cooling water circulating pipeline (10) is arranged in the cooling tower (3); and an evaporator (12) with an evaporating coil is arranged on the cooling water circulating pipeline (10).
Description
Technical field
The utility model belongs to the distillation concentrator, is specially a kind of decompression distillation concentrator.
Background technology
Vacuum distillation equipment is a kind of under high vacuum condition; The technical equipment that adopts physics mode to separate the mixing material (material) of different evaporating temperatures; Be specially adapted to separate boiling point height, thermal sensitivity and be prone to oxidized material; Be widely used in the extraction of the vitamin and the Chinese herbal medicine effective ingredients of pharmaceuticals industry, generally adopted in industries such as petrochemical industry, food industry, cosmetics industry, agricultural and waste water treatments.
Present physical heating mode normally adopts steam or electrical heating conduction oil to carry out the material heating, and the thermal efficiency is low, and cost is high.Particularly the source of steam generally is to use boiler combustion coal to obtain, and can cause secondary pollution to environment.
One Chinese patent application discloses a kind of concentration of solution of heat exchange tower secondary refrigerant control and regulation method and apparatus for No. 201010125958.5; The film distiller low temperature distillation that heat exchange tower secondary refrigerant solution after this invention moisture absorption adopts the doughnut hydrophobic membrane to constitute is handled; Concentrate through film distillation: concentrated solution is 37-85 ℃ of the hot side temperature of doughnut hydrophobic membrane, and the water after distillation is condensed is that cold side is discharged at the opposite side of doughnut hydrophobic membrane.Refrigerating medium heat exchange tower refrigerating medium solution is after the heating of first heat exchanger, and solution gets into the hot side of film distiller, and taphole directly is back to the refrigerating medium heat exchange tower or is back to first heat exchanger, after constantly concentrating, is back to the refrigerating medium heat exchange tower again; The present invention solves the problem that refrigerating medium concentration reduces the salt loss that causes.And device is simple, and operating cost is low.The heat exchange column that can be used for all air source heat pumps.
Summary of the invention
In order to overcome the deficiency of conventional art, the utility model has designed the decompression distillation concentrator of a kind of material heated time weak point, energy savings.
The basic ideas that the utility model solves its technical problem are: utilize heat pump to heat principle, effectively utilize evaporator with heat pump (cold junction) and condenser (hot junction) simultaneously, separate for mixing material (material) heating makes the mixing material vaporization on the one hand; On the other hand for the water vapour after the vaporization cools off, and the corresponding temperature of utilizing the water vapour energy to improve evaporimeter (cold junction), reduce the temperature difference between evaporimeter (cold junction) and the condenser (hot junction), realize energy-conservation purpose.
The concrete scheme that the utility model solves its technical problem is: a kind of decompression distillation concentrator; Comprise the material heating tank; The material evaporator that is communicated with the material heating tank through the material circulating line; Through the cooling tower that jet chimney is communicated with the material evaporator, the vavuum pump that is communicated with cooling tower, the ponding jar that is positioned at below the cooling tower and is communicated with cooling tower; The heater of material heating tank; It is characterized in that: heater is the hot water circuit pipeline, and wherein: the condenser of hot water circulating pump and band condenser coil is housed on the hot water circuit pipeline, and the compressor that condenser coil and other establish, evaporation coil, fluid reservoir, expansion valve connect into circulation line through circulating line and constitute heat-exchange device.
Further scheme is: be provided with the cooling water circulating line in the cooling tower, cooling water circulating pump and evaporimeter are housed on the cooling water circulating line, evaporation coil is loaded in the evaporimeter.
The theoretical foundation of the utility model is: specially put a kind of heat-absorbing medium---refrigerant in the air heat pump unit equipment, its critical-temperature is lower than subzero 20 ℃, and common and ambient temperature exists the temperature difference.Therefore, during source pump work, refrigerant can absorb the heat energy of external substance at the inner carburation by evaporation of air heat pump cold junction (evaporimeter).Under the compression operation of compressor, the temperature of refrigerant can reach 90～110 ℃ in source pump, reaches as high as 120 ℃; Be much higher than ambient temperature; Be that air heat pump hot junction (condenser) makes refrigerant be converted into the conversion process of liquefaction from vapor state, with discharging a large amount of heat energy, through water in the heat exchanger or conduction oil; Material in the heating vacuum distillation equipment reaches the purpose that adds thermal material.And the unique distinction of this product consumes 1 times electric energy exactly, can produce 4～5 times of effective heat energy that produced with the power electric heater unit; Its energy-saving effect; Be that other any mode of heating is all incomparable, but its efficient, no flammable explosive gas of having in addition is perfectly safe; There are not any waste gas, waste water and waste sludge discharge, absolute environmental protection.Source pump average of the whole year operating cost just electricity is direct-fired 1/4,1/3～1/2 of fuel oil, combustion gas heating.This also is to adopt the maximum of this mode of heating superiority to embody.
The beneficial effect of the utility model also is presented as; Under artificial condition of high vacuum degree condition, reduce the evaporation of liquid temperature, have material heated time weak point, energy savings, separation degree height and separation process are irreversible, the characteristics such as the bubbling phenomenon is little of seething with excitement.
Description of drawings
Fig. 1 is the scheme of installation of the utility model embodiment.
Fig. 2 is the fundamental diagram of the embodiment of the utility model.
Among the figure: 1, vavuum pump, 2, coolant outlet, 3, cooling tower, 4, the cooling water inlet, 5, the ponding jar, 6, the material evaporator; 7, material heating tank, 8, add hot water outlet, 9, add hot water inlet, 10, the cooling water circulating line, 11, cooling water circulating pump; 12, evaporimeter (cold junction), 13, compressor, 14, fluid reservoir, 15, filter, 16, expansion valve; 17, hot water circuit pipeline, 18, hot water circulating pump, 19, the material circulating line, 20, condenser (hot junction), 21, jet chimney.
The specific embodiment
Embodiment below in conjunction with concrete further specifies the utility model.The range of application of the utility model is not limited to this instance.
Like Fig. 1 and Fig. 2; A kind of decompression distillation concentrator; Comprise material heating tank 7, the material evaporator 6 that is communicated with material heating tank 7 through material circulating line 19, the cooling tower 3 that is communicated with material evaporator 6 through jet chimney 21; The vavuum pump 1 that is communicated with cooling tower 3; Be positioned at below the cooling tower 3 and the ponding jar 5 that is communicated with cooling tower 3, the heater of material heating tank 7 is characterized in that: heater is a hot water circuit pipeline 17; Wherein: the condenser 20 of hot water circulating pump 18 and band condenser coil is housed on the hot water circuit pipeline 17, and the compressor 13 that condenser coil and other establish, evaporation coil, fluid reservoir 14, expansion valve 16 connect into circulation line through circulating line and constitute heat-exchange device.
Be provided with cooling water circulating line 10 in the cooling tower 3, cooling water circulating pump 11 and evaporimeter 12 are housed on the cooling water circulating line 10, evaporation coil is loaded in the evaporimeter 12.
Operation principle is:
Condenser (hot junction) 20: the heating work object (externally heat release) that is air heat pump.Compressor 13 energisings; Start working, through the piston action of compressor 13, the refrigerant (gaseous state) that will in evaporimeter (cold junction) 12, absorb behind extraneous (cooling circulating water) heat energy compresses; Become liquid state and discharge a large amount of heat; Water through in air heat pump hot junction (condenser) 20 and the hot water circuit pipeline 17 carries out heat exchange, and the hot water in the hot water circuit pipeline 17 carries out continuing continuously heating to the liquid material in the material heating tank 7 under the effect of hot water circulating pump 18;
Air heat pump cold junction (evaporimeter) 12: the endergonic work path (absorbing extraneous heat energy) that is air heat pump.Compressor 13 energisings; Start working; Air-breathing (negative pressure) effect through compressor 13, the refrigerant that in air heat pump hot junction (condenser) 20, discharges behind the heat energy (heat cycles water) becomes gaseous state (refrigerant) rapidly and absorbs surrounding environment and a large amount of heat of material (cooling water) owing to receive the effect of high vacuum.Promptly, the water in the cooling water circulating line 10 is cooled through the acting in conjunction of air heat pump cold junction (evaporimeter) 12 and heat exchanger.Cooling water cools off the steam in the cooling tower 3 and to make it become condensed water under the effect of cooling water circulating pump 11, is deposited in the ponding jar 5.
Material heating tank 7 can adopt the polyurethane thermal insulation material to carry out double-layer heat insulation.
Material evaporator 6 can adopt polyurethane heat insulation material to carry out double-layer heat insulation, and tank body is provided with visor (manhole), and the operator can observe a jar interior material ebuillition of heated situation from visor.Open handhole cover, operating personnel can get into and clean the inner tank wall dirt in the tank body.Atmospheric valve is housed on the tank body, uses when supplying to shut down.Silk screen, baffle plate device are equipped with in the top, in the foam suction cooling tower 3 that prevents to produce in the heating process, pollute condensed water.Material heating tank 7 tank bodies are equipped with vacuum meter, thermometer, water level meter, are used for the data acquisition to its duty of control automatically and automatic control system; Cooling tower 3 can be the round trip shell and tube, and bottom hydrops jar 5 is used to collect condensed water, draining automatically.
The control system: Equipment Control can adopt PLC control, realizes fully automatic operation from charging, equipment operation, discharge.
The concentrated workflow of mixing material (material):
To wait to concentrate material and send in material heating tank 7 chucks, and start vavuum pump 1, compressor 13, hot water circulating pump 18, cooling water circulating pump 11, heating tank 7 chucks feed heat recirculated water; Temperature is about 60 ℃; When the material in the material heating tank 7 was heated to 50～55 ℃, the boiling thermal material got into material evaporator 6 from the material circulating line between material heating tank 7 and the material evaporator 6 19 under the double action of vacuum and temperature; Moisture wherein evaporates at this; Therefore material reduces temperature and gets back in material heating tank 7 tubulations from material evaporator 6 bottoms, after being heated once more, gets into material evaporator 6 again and forms circulation; Material constantly circulates, heats at two equipment rooms, and moisture content is evaporated rapidly.
The steam of from material, being overflowed, is condensed into water rapidly and flows in the ponding jar 5 under the cooling of cooling circulating water because the effect of vacuum is inhaled in cooling tower 3 tubulations.When the condensation water level reached the high water level of ponding jar 5 settings, system opened blow-off valve automatically the condensed water in the ponding jar 5 is drained.
Along with the material moisture in material evaporator 6 tank bodies constantly evaporates and the concentration of material improves constantly, when concentration reaches needed concentration.Automatic control system is recovered normal pressure with material evaporator 6, opens the blow-off valve of material evaporator 6 bottoms, and the material after concentrating is entered in the liquid storage container.Carry out next step processing again.
Claims (2)
1. decompression distillation concentrator; Comprise material heating tank (7); The material evaporator (6) that is communicated with material heating tank (7) through material circulating line (19); Through the cooling tower (3) that jet chimney (21) is communicated with material evaporator (6), the vavuum pump (1) that is communicated with cooling tower (3) is positioned at below the cooling tower (3) and the ponding jar (5) that is communicated with cooling tower (3); The heater of material heating tank (7); It is characterized in that: heater is hot water circuit pipeline (17), and wherein: the condenser (20) of hot water circulating pump (18) and band condenser coil is housed on the hot water circuit pipeline (17), and the compressor that condenser coil and other establish (13), evaporation coil, fluid reservoir (14), expansion valve (16) connect into circulation line through circulating line and constitute heat-exchange device.
2. decompression distillation concentrator according to claim 1; It is characterized in that: be provided with cooling water circulating line (10) in the cooling tower (3); Cooling water circulating pump (11) and evaporimeter (12) are housed on the cooling water circulating line (10), and evaporation coil is loaded in the evaporimeter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252340 CN202590410U (en) | 2012-05-30 | 2012-05-30 | Reduced pressure distillation and concentration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252340 CN202590410U (en) | 2012-05-30 | 2012-05-30 | Reduced pressure distillation and concentration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202590410U true CN202590410U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220252340 Expired - Fee Related CN202590410U (en) | 2012-05-30 | 2012-05-30 | Reduced pressure distillation and concentration equipment |
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| CN (1) | CN202590410U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471245A (en) * | 2013-08-20 | 2013-12-25 | 天津君歌舜尧分子蒸馏设备有限公司 | Heat exchange system of molecular distillation heat pump |
| CN108469188A (en) * | 2018-03-08 | 2018-08-31 | 青岛大学 | A kind of cooling tower demisting and sub-cooled return water waste heat grade lifting system |
| CN110422899A (en) * | 2019-09-15 | 2019-11-08 | 常州时升环境工程科技有限公司 | A kind of heat pump flash vaporization concentration systems |
| CN114949900A (en) * | 2022-06-02 | 2022-08-30 | 浙江镇田机械有限公司 | Short-range molecular distillation heat pump energy-saving complete equipment |
-
2012
- 2012-05-30 CN CN 201220252340 patent/CN202590410U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471245A (en) * | 2013-08-20 | 2013-12-25 | 天津君歌舜尧分子蒸馏设备有限公司 | Heat exchange system of molecular distillation heat pump |
| CN108469188A (en) * | 2018-03-08 | 2018-08-31 | 青岛大学 | A kind of cooling tower demisting and sub-cooled return water waste heat grade lifting system |
| CN110422899A (en) * | 2019-09-15 | 2019-11-08 | 常州时升环境工程科技有限公司 | A kind of heat pump flash vaporization concentration systems |
| CN114949900A (en) * | 2022-06-02 | 2022-08-30 | 浙江镇田机械有限公司 | Short-range molecular distillation heat pump energy-saving complete equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20160530 |