TWM520407U - Energy saving distillatory - Google Patents

Abstract

A traditional air conditioner is transformed into a heat pump, which is installed inside a heat insulating vessel. The vessel is half filled with water or organic solvent. The "cool side" of the heat pump is installed above the liquid and surrounded with saturated vapor, and cools the vapor to liquid and pump the "heat of evaporation" down to the "hot side" of the heat pump. The "hot side" pump the heat into the liquid. The "heat of evaporation" is circulated inside the heat insulating vessel, not supplied by electricity. So, it can save 80~90% f electricity. It also saves the "cooling water" of the traditional distillatory.

Description

Energy saving distiller

A distiller that saves 80% to 90% of electricity without the need for cooling water.

In the past, the distiller, especially the distilled water making machine, used electrothermal heating to heat the liquid to the boiling point. The electric heating provided the "gasification heat" required for the liquid to evaporate, and then cooled the steam with cooling water to produce a distillate. For example, water is heated from normal temperature 25 ° C to 100 ° C per gram of water, to absorb 74 calories, water gasification heat up to 540 calories, a total of 614 calories, very power-consuming, and consume 20 times per 1 liter of distilled water Cooling water is a waste of water.

The Republic of China No. I419730 patent uses steam to preheat water at room temperature, which can save 74 calories in [0002] and save about 12% of electricity.

Some factories or laboratories use "ion exchange resin" to make a large amount of deionized water. Although it does not consume electricity, it consumes labor and chemicals, and it also produces waste acid and waste alkali. This new operation is simple and may replace it.

Tens of thousands of households across the country use reverse osmosis water purifiers (RO), which is more energy efficient than the new ones. However, considering the labor costs of the filter media and its replacement, the sum is higher than this model, so this new model may replace it. Moreover, the user of the RO water purifier may forget to replace the filter material so that the unclean water is used without knowing it, and the distilled water can ensure the water quality is clean.

This new type is also called "heat pump distiller", which is a "heat pump" modified by a conventional air conditioner. It is used as a distiller. The heat is transferred by the compressor and the refrigerant. The "gasification heat" is circulated on the spot and does not need to be provided by electric heat. Therefore, energy saving effect is achieved without condensing water consumption.

Take water as an example: the refrigerant liquefier of the heat pump is the heat release end. The following is called "the hot end of the heat pump" soaked in water; the refrigerant evaporator of the heat pump is the heat absorption end, the following is called the "cold end of the heat pump". Placed on the water surface, the whole is sealed, and the water surface is saturated with water vapor (Fig. 1). When the saturated water vapor is cold, it will condense into a liquid state. This is the "distilled water" and the "gasification heat" of the water is released. Card / gram, this heat is forced by the heat pump to the "hot end of the heat pump" under the water surface, used to heat the water, providing the "heat of gasification" of water 540 calories / gram, so the "heat pump distiller" only provides "forced The energy of the heat cycle does not provide the heat of vaporization of water, so one liter of distilled water is produced, and only 10% to 20% of the electricity of the conventional electrothermal distiller is required, and it can be carried out at normal temperature.

Liquids other than water, such as distiller's grains, methanol, ethanol, ethyl acetate, diethyl ether, benzene, acetone, n-hexane, toluene, etc., may also be distilled in the same manner.

Conventional air-conditioners use traditional CFC or HFC refrigerants, which can have a COP value of up to 4, and consume only 1/5 of the electrothermal distillation. If you use "distillation-specific refrigerant", ie, ethylamine or isopropylamine, the COP value can be as high as 9, power consumption is only 1/10 of the electrothermal distillation.

Calculation of energy saving: If the COP value of the heat pump is 4, 1 joule of electric energy can pump 4 joules of heat, and the 1 joule of electric energy eventually becomes heat energy, and the total heat energy is 5 joules (1+4=5). That is, it can consume only 1/5 of the original power; if the COP value of the pump is 9, 1 joule of electric energy can pump 9 joules of heat, and the electric energy eventually becomes thermal energy, so the heat energy transmitted is 10 Joule (1+9=10), that is, it can consume only 1/10 of the original power.

1‧‧‧Compressor

2‧‧‧The cold end of the heat pump (refrigerant evaporator, endothermic end)

3‧‧‧The hot end of the heat pump (the liquefier of the refrigerant, the heat release end)

4‧‧‧ Heat sink

5‧‧‧ Capillary

6‧‧‧Reflux circulation direction

7‧‧‧ Condensate (especially distilled water)

8‧‧‧distillate (especially raw water)

10‧‧‧Saturated vapour (especially saturated steam)

11‧‧‧Insulated closed container

12‧‧‧ plug

13‧‧‧ Condensate collection bucket

14‧‧‧ Condensate collection runner

15‧‧‧ liquid level

Figure 1: Schematic diagram of energy-saving distiller

This embodiment is intended to present the use of the present invention, and the review can quickly understand its structure and function, and is not intended to limit the scope of the patent application.

In a heat-insulating container 11 having a length of about 100 cm, a width of 80 cm, and a height of 120 cm, a heat pump (Fig. 1) is disposed, and the power is 2 KW, and the liquid to be distilled 8 is placed at a height of 30 to 60 cm. The refrigerant in the system is pushed by the compressor 1 and circulated in the direction of the refrigerant circulation. The distillate 8 will naturally evaporate at room temperature and form a saturated vapor 10 on the liquid surface 15 (the higher the temperature, the higher the saturated vapor pressure), and 10 will condense into a condensate when it encounters the cold end 2 of the heat pump. 7, and release the heat of vaporization (in the case of water, the heat of gas is 540 calories / gram), this heat is absorbed by the refrigerant, the refrigerant is pushed by the compressor 1, followed by the refrigerant circulation direction 6, sent to the hot end of the heat pump 3 And liquefying here, releasing heat of vaporization, and passing through the heat sink 4, accelerates the transfer of this heat to the liquid to be distilled 8, and vaporizes it. The condensate 7 flows through the condensate collecting flow path 14 into the condensate collecting tank 13.

Example 1: Manufacture of distilled water: Raw water (unpurified water, such as ground water, tap water, river water) is used as the distillate 8 in [0013], and is operated for 1 hour, consumes 2 degrees of electricity, and collects 10 liters of distilled water. An average of 1 degree of electricity produces 5 liters of distilled water, which is five times that of a conventional electrothermal distilled water machine (1 liter of 1 liter). And no need to consume condensate.

Example 2: Distillation of wine: Undistilled rice distiller's grains are used as the liquid to be distilled 8, and the rest of the operation is as in the first embodiment. 12 liters of rice wine can be distilled out per degree of electricity. And no need to consume condensate.

Example 3: Evaporation of chemical solvent: using ethyl acetate or alcohol or toluene as The distillate 8 is to be subjected to the same operation as in the first embodiment, and a pure ethyl acetate or alcohol or toluene liquid can be distilled off. And no need to consume condensate.

Example 4: Using ethylamine as a special refrigerant for distillation: the refrigerant in the heat pump originally uses dichloro difloromethane (CCl ₂ F ₂ ) or hydrofluorocarbon (HFC), and its atmospheric boiling point is about -30 ° C. The normal working pressure is 5~10 atmospheres, and it is extracted and injected into ethylamine (ethylamine C ₂ H ₅ NH ₂ ). The atmospheric boiling point is +16.6 ° C, the working pressure is 2~5 atmospheres, and the electricity can be produced every 8 hours. The liter of distilled water is converted to a COP value of up to 7, and the production of 1 liter of distilled water consumes 1/8 times that of a conventional electrothermal distilled water machine. And if the refrigerant leaks, the distilled water immediately shows alkaline, which can be measured immediately by the acid-base indicator or PH meter to avoid misuse.

Example 5: Using isopropylamine as a special refrigerant for distillation: changing the refrigerant to isopropylamine (isopropylamine C ₃ H ₇ NH ₂ ) with a normal boiling point of +34 to 35 ° C and a working pressure of 1 to 3 atm, then the COP The value is up to 9, and the liquid to be distilled 8 (raw water) is preheated to 40 to 45 ° C, and the rest of the operation is the same as in the fourth embodiment. 10 liters of distilled water can be produced per kWh.

1‧‧‧Compressor

2‧‧‧The cold end of the heat pump (the evaporator of the refrigerant, the endothermic end)

3‧‧‧The hot end of the heat pump (the liquefier of the refrigerant, the heat release end)

4‧‧‧ Heat sink

6‧‧‧Reflux circulation direction

7‧‧‧ Condensate (especially distilled water)

8‧‧‧distillate (especially raw water)

10‧‧‧Saturated vapour (especially saturated steam)

11‧‧‧Insulated closed container

12‧‧‧ plug

13‧‧‧ Condensate collection bucket

14‧‧‧ Condensate collection runner

15‧‧‧ liquid level

Claims (4)

An energy-saving distiller comprises: a heat-insulating sealed container for accommodating a liquid to be distilled and a machine component, the heat-insulating container is made of a heat insulating material for reducing heat loss; and a compressor is connected by a pipeline The hot end of the heat pump and the cold end of the heat pump are used to compress the refrigerant and circulate the refrigerant in the system, and also circulate the refrigerant in the heat-insulating closed container by circulating the refrigerant; a refrigerant, in the compressor, the heat pump The hot end, the cold end of the heat pump and its connecting pipe circulate, the refrigerant is compressed into a liquid in the hot end of the heat pump and is exothermic; the refrigerant is vaporized in the cold end of the heat pump, thereby absorbing heat; the hot end of a heat pump, It is disposed in the liquid to be distilled to provide heat to evaporate the liquid to be distilled; the cold end of a heat pump is disposed on the liquid surface of the liquid to be distilled to cool the saturated vapor into a condensate and absorb the heat of vaporization. The energy-saving distiller according to claim 1, wherein the refrigerant comprises a chlorofluorocarbon (CFC), a hydrofluorocarbon (HFC), an ethylamine or an isopropylamine. The energy-saving distiller of claim 1, wherein the system to be distillate comprises water, methanol, ethanol, ethyl acetate, diethyl ether, benzene, acetone, n-hexane, toluene or vinasse. For example, in the energy-saving distiller as described in claim 1, the gasification heat required for evaporation of the liquid to be distilled is circulated inside the energy-saving distiller, instead of providing heat of vaporization by the electric heater, thereby saving power consumption.