CN213192539U - Forced circulation dehydration device for extract under inert gas - Google Patents
Forced circulation dehydration device for extract under inert gas Download PDFInfo
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- CN213192539U CN213192539U CN202021292079.7U CN202021292079U CN213192539U CN 213192539 U CN213192539 U CN 213192539U CN 202021292079 U CN202021292079 U CN 202021292079U CN 213192539 U CN213192539 U CN 213192539U
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Abstract
The utility model relates to a forced circulation dehydration device for extract under inert gas, which comprises a vacuum heating stirring tank, a condensation circulation system, a vacuum system and an inert gas storage tank, wherein; the vacuum heating stirring tank comprises a heating and heat-preserving interlayer, a stainless steel tank body, a stirring device, a thermometer, a pressure gauge, a circulating gas outlet valve, a circulating gas inlet valve, an inert gas inlet valve, a vacuumizing opening and a bottom discharge valve; the heating and heat-preserving interlayer is wrapped outside the stainless steel tank body. The device of the utility model utilizes the protection of inert gas in the dehydration process, and avoids the oxidation caused by the contact of air. The forced circulation of the pipeline fan is utilized, so that the water vapor can effectively reach an external condensation system, and the dehydration efficiency is improved.
Description
Technical Field
The utility model relates to an extraction technical field, concretely relates to forced circulation dewatering device of extract under inert gas.
Background
The supercritical extract is liposoluble substance, and is generally oily or pasty. Although the fat-soluble substances are nonpolar substances and the water molecules are polar substances, the fat-soluble substances and the water molecules are theoretically insoluble with each other, but a small amount of water is contained, and the contained water is gradually separated out after the extract is stored for a long time under the condition of not carrying out dehydration treatment, so that the quality of the extract product is influenced.
The traditional dehydration is that the extract is heated to above 100 ℃ at high temperature, because the boiling point of water is lower than that of the extract, the water is vaporized, thereby achieving the purpose of dehydration, but the high temperature can destroy the functional components in the extract and also accelerate the oxidation speed of the extract.
In the prior art, because internal gas circulation is not available, the vaporization temperature of the whole system needs to be maintained at a higher temperature, and vaporized substances cannot form high-concentration steam in the later stage of concentration or when materials with lower water content are treated, so that rising power cannot be generated, and complete dehydration cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a be easily oxidized when solving current grease dehydration, and the problem of the incomplete problem of dehydration, and then provide a forced circulation dewatering device of extract under inert gas.
The utility model discloses a solve above-mentioned technical problem, the technical scheme of taking is: a forced circulation dewatering device of extract under inert gas comprises a vacuum heating stirring tank, a condensation circulation system, a vacuum system and an inert gas storage tank, wherein:
the vacuum heating stirring tank comprises a heating and heat-preserving interlayer, a stainless steel tank body, a stirring device, a thermometer, a pressure gauge, a circulating gas outlet valve, a circulating gas inlet valve, an inert gas inlet valve, a vacuumizing opening and a bottom discharge valve; the heating and heat-preserving interlayer is wrapped at the outer side of the stainless steel tank body, the stirring device extends into the stainless steel tank body, the bottom of the stainless steel tank body is provided with a bottom discharge valve, and the circulating gas outlet valve, the circulating gas inlet valve and the inert gas inlet valve are respectively arranged on a pipeline for feeding and discharging the stainless steel tank body;
the condensation circulating system comprises a condensing tank, a condensation water circulating device, a low-pressure steam pipeline circulating fan, a circulating air inlet valve, a circulating air outlet valve and a bottom water discharge valve; the condensation circulating system is connected with the vacuum heating stirring tank through an inlet and outlet pipeline, a condensation water circulating device is arranged in the condensation tank, a low-pressure steam pipeline circulating fan, a circulating air inlet valve and a circulating air outlet valve are arranged on the inlet and outlet pipeline, and a bottom drain valve is arranged at the bottom of the condensation tank;
the vacuum system comprises a circulating water vacuum pump and a one-way stop valve, and the circulating water vacuum pump and the one-way stop valve are installed on a pipeline communicated with the stainless steel tank body.
Further, the gas in the inert gas storage tank is nitrogen or helium.
Compared with the prior art, the utility model following beneficial effect has:
1. the device of the utility model utilizes the protection of inert gas in the dehydration process, and avoids the oxidation caused by the contact of air.
2. The forced circulation of the pipeline fan is utilized, so that the water vapor can effectively reach an external condensation system, and the dehydration efficiency is improved.
3. The device works at low temperature and low pressure, avoids the damage of effective components of the fat-soluble extract caused by high-temperature heating, and simultaneously fully converts water into steam which is more fully extracted and separated from the fat-soluble substances.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The various parts are numbered as follows:
the device comprises a vacuum heating stirring tank (1), an inert gas storage tank (2), a heating and heat-preserving interlayer (3), a stainless steel tank body (4), a stirring device (5), a thermometer (6), a pressure gauge (7), a first circulating gas outlet valve (8), a first circulating gas inlet valve (9), an inert gas inlet valve (10), a vacuumizing opening (11), a bottom discharge valve (12), a condensing tank (13), a condensate water circulating device (14), a low-pressure steam pipeline circulating fan (15), a second circulating gas inlet valve (16), a second circulating gas outlet valve (17), a bottom drain valve (18), a circulating water vacuum pump (19) and a one-way stop valve (20).
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and comprises a forced circulation dehydration device of extract under inert gas, comprising a vacuum heating stirring tank 1, a condensation circulation system, a vacuum system and an inert gas storage tank 2, wherein;
the vacuum heating stirring tank 1 comprises a heating and heat-preserving interlayer 3, a stainless steel tank body 4, a stirring device 5, a thermometer 6, a pressure gauge 7, a first circulating gas outlet valve 8, a first circulating gas inlet valve 9, an inert gas inlet valve 10, a vacuumizing port 11 and a bottom discharge valve 12; the heating and heat-preserving interlayer 3 is wrapped outside the stainless steel tank body 4, the stirring device 5 extends into the stainless steel tank body 4, the bottom of the stainless steel tank body 4 is provided with a bottom discharge valve 12, and the first circulating gas outlet valve 8, the first circulating gas inlet valve 9 and the inert gas inlet valve 10 are respectively arranged on a pipeline for feeding and discharging the stainless steel tank body 4;
the condensation circulating system comprises a condensing tank 13, a condensation circulating device 14, a low-pressure steam pipeline circulating fan 15, a second circulating air inlet valve 16, a second circulating air outlet valve 17 and a bottom drain valve 18; the condensation circulating system is connected with the vacuum heating stirring tank 1 through an inlet and outlet pipeline, a condensation water circulating device 14 is arranged in the condensation tank 13, a low-pressure steam pipeline circulating fan 15, a second circulating air inlet valve 16 and a second circulating air outlet valve 17 are arranged on the inlet and outlet pipeline, and a bottom drain valve 18 is arranged at the bottom of the condensation tank 13;
the vacuum system comprises a circulating water vacuum pump 19 and a one-way stop valve 20, wherein the circulating water vacuum pump 19 and the one-way stop valve 20 are installed on a pipeline communicated with the stainless steel tank body 4.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1, and differs from the first embodiment in that the gas in the inert gas tank 2 is nitrogen or helium.
The utility model discloses dewatering device's operating procedure as follows:
step one, pouring the fat-soluble substances extracted by supercritical extraction into a vacuum stirring tank, turning on a power supply for heating, turning on a stirring motor, uniformly heating the materials by using a stirring paddle, and finally heating to 60 ℃, wherein all the materials are melted into liquid. The stirring paddle is used for generating the rolling of the materials, so that water molecules of the material seeds reach the liquid surface and are vaporized into water vapor;
step two, opening a circulating water vacuum pump in the process, and pumping the vacuum tank to a vacuum of 0.98 Mpa; opening the inert gas storage tank and the valve, and filling inert gas to 0.6Mpa to ensure that the tank reaches the environment of low vacuum degree;
step three, starting a pipeline circulating fan and a condensing tank circulating water pump, circulating steam in a forced low-pressure state along with inert gas, and condensing moisture in the condensing tank to achieve the purpose of reducing the moisture content in the fat-soluble extract;
and step four, judging the moisture removal effect through an observation window on the stirring tank, stopping stirring, heating and a circulating fan after dehydration is finished, opening an inert gas valve, filling inert gas to ensure that the pressure of the vacuum tank reaches normal pressure, opening a valve at the bottom of the vacuum tank, discharging the extract, and finishing dehydration.
Claims (2)
1. A forced circulation dehydration device of extract under inert gas, which is characterized in that the device comprises a vacuum heating stirring tank (1), a condensation circulation system, a vacuum system and an inert gas storage tank (2), wherein;
the vacuum heating stirring tank (1) comprises a heating and heat-preserving interlayer (3), a stainless steel tank body (4), a stirring device (5), a thermometer (6), a pressure gauge (7), a first circulating gas outlet valve (8), a first circulating gas inlet valve (9), an inert gas inlet valve (10), a vacuumizing opening (11) and a bottom discharge valve (12); the heating and heat-preserving interlayer (3) is wrapped on the outer side of the stainless steel tank body (4), the stirring device (5) extends into the stainless steel tank body (4), the bottom of the stainless steel tank body (4) is provided with a bottom discharge valve (12), and the first circulating gas outlet valve (8), the first circulating gas inlet valve (9) and the inert gas inlet valve (10) are respectively arranged on a gas inlet and outlet pipeline of the stainless steel tank body (4);
the condensation circulating system comprises a condensing tank (13), a condensation circulating device (14), a low-pressure steam pipeline circulating fan (15), a second circulating air inlet valve (16), a second circulating air outlet valve (17) and a bottom drain valve (18); the condensation circulating system is connected with the vacuum heating stirring tank (1) through an inlet and outlet pipeline, a condensation water circulating device (14) is arranged in the condensation tank (13), a low-pressure steam pipeline circulating fan (15), a second circulating air inlet valve (16) and a second circulating air outlet valve (17) are arranged on the inlet and outlet pipeline, and a bottom drain valve (18) is arranged at the bottom of the condensation tank (13);
the vacuum system comprises a circulating water vacuum pump (19) and a one-way stop valve (20), wherein the circulating water vacuum pump (19) and the one-way stop valve (20) are installed on a pipeline communicated with the stainless steel tank body (4).
2. Forced circulation dehydration plant of extracts under inert gas according to claim 1 characterized in that the gas in said inert gas storage tank (2) is nitrogen or helium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021292079.7U CN213192539U (en) | 2020-07-03 | 2020-07-03 | Forced circulation dehydration device for extract under inert gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021292079.7U CN213192539U (en) | 2020-07-03 | 2020-07-03 | Forced circulation dehydration device for extract under inert gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213192539U true CN213192539U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021292079.7U Active CN213192539U (en) | 2020-07-03 | 2020-07-03 | Forced circulation dehydration device for extract under inert gas |
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| CN (1) | CN213192539U (en) |
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- 2020-07-03 CN CN202021292079.7U patent/CN213192539U/en active Active
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