CN211215475U - Vacuum system for traditional Chinese medicine granule extraction process - Google Patents
Vacuum system for traditional Chinese medicine granule extraction process Download PDFInfo
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- CN211215475U CN211215475U CN201921602388.7U CN201921602388U CN211215475U CN 211215475 U CN211215475 U CN 211215475U CN 201921602388 U CN201921602388 U CN 201921602388U CN 211215475 U CN211215475 U CN 211215475U
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Abstract
The utility model discloses a traditional chinese medicine granule draws vacuum system for technology, including vacuum apparatus and gas-liquid separation device, vacuum apparatus includes the vacuum pump and is used for driving the motor of vacuum pump, gas-liquid separation device is used for separating the temperature of liquid in the vacuum pump gas-liquid and the reduction vacuum pump in, gas-liquid separation device includes vapour and liquid separator and locates the heat exchanger in the vapour and liquid separator, vapour and liquid separator is equipped with gas vent, gas-liquid import and liquid delivery outlet, vapour and liquid separator is linked together with the vacuum pump through gas-liquid import and liquid delivery outlet. Adopt the utility model discloses, reduce the working solution temperature, improve vacuum, production efficiency is high, the water economy resource, reduction in production cost.
Description
Technical Field
The utility model relates to a vacuum system field especially relates to a traditional chinese medicine granule draws vacuum system for technology.
Background
The production process of the traditional Chinese medicine granules mainly comprises the process steps of single-effect concentration, double-effect concentration, triple-effect concentration, material transfer, vacuum drying and the like, and a vacuum pump is adopted in the process steps. The extraction process principle of the traditional Chinese medicine granules adopts a double-effect concentrator to concentrate under the negative pressure working condition, and water is evaporated. The principle that the boiling point of water is reduced under negative pressure is utilized, and the water is evaporated by heating while vacuumizing. The existing vacuum pump is a liquid ring vacuum pump or a water conservancy ejector, working liquid of the liquid ring pump is directly discharged, sewage discharge is increased, and water resources are wasted. And the working fluid can raise the water temperature in the pump for a long time, so that the vacuum degree can not meet the requirement, the production efficiency is low, the energy consumption is high, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a vacuum system for traditional chinese medicine granule extraction process is provided, reduces the working solution temperature, improves vacuum, and production efficiency is high, the water economy resource, reduction in production cost.
In order to solve the technical problem, the utility model provides a vacuum system for a traditional Chinese medicine particle extraction process, which comprises a vacuum device and a gas-liquid separation device, wherein the vacuum device comprises a vacuum pump and a motor for driving the vacuum pump,
the gas-liquid separation device is used for separating gas and liquid in the vacuum pump and reducing the temperature of liquid in the vacuum pump, the gas-liquid separation device comprises a gas-liquid separator and a heat exchanger arranged in the gas-liquid separator, the gas-liquid separator is provided with an exhaust port, a gas-liquid inlet and a liquid outlet, and the gas-liquid separator is communicated with the vacuum pump through the gas-liquid inlet and the liquid outlet.
As an improvement of the scheme, the vacuum device comprises a cold buffer mechanism, the cold buffer mechanism comprises a condensation mechanism and a vacuum buffer, and the condensation mechanism, the vacuum buffer and the vacuum pump are sequentially communicated.
As an improvement of the scheme, the condensing mechanism comprises a condenser and a liquid accumulation device communicated with the condenser, and the liquid accumulation device is communicated with the vacuum buffer.
As an improvement of the scheme, the condenser comprises a first-stage condenser and a second-stage condenser which are connected, and the second-stage condenser is communicated with the liquid accumulator.
As an improvement of the scheme, at least two groups of vacuum devices are arranged, and the two vacuum pumps are communicated with the two cooling and buffering mechanisms.
As an improvement of the scheme, the vacuum device comprises a first valve body, and the two vacuum pumps are communicated with the cooling and buffering mechanism of the other group through the first valve body.
As an improvement of the scheme, the gas-liquid separator is provided with an overflow pipe and a liquid discharge pipe, and the liquid discharge pipe is provided with a second valve body.
As an improvement of the scheme, the gas-liquid separator is provided with a water replenishing valve used for injecting water into the gas-liquid separator.
As an improvement of the scheme, the gas-liquid separator is provided with a liquid level meter.
As an improvement of the scheme, the vacuum pump is a liquid ring vacuum pump, and the vacuum device is provided with a third valve body for controlling the opening and closing of the vacuum pump and a vacuum meter for measuring a vacuum value.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a gas-liquid separation device can be with liquid and gas separation in the vacuum pump through gas-liquid separation device, and the heat exchanger through gas-liquid separation device can transmit the heat of liquid for the heat exchanger simultaneously to reduce the temperature of liquid. The liquid with the reduced temperature returns to the vacuum pump through the liquid outlet, so that the working liquid continuously circulates between the vacuum pump and the gas-liquid separation device, the working liquid of the vacuum pump is prevented from being directly discharged, the pollution is reduced, the water resource is saved, and the production cost is reduced. The temperature of the working solution is reduced through the heat exchanger, the high pumping speed and the high vacuum of the vacuum pump are guaranteed, the production efficiency is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a vacuum system for a traditional Chinese medicine granule extraction process of the present invention;
FIG. 2 is an enlarged view of a portion of the vacuum pump of FIG. 1;
fig. 3 is an enlarged view of the gas-liquid separation device of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
Referring to fig. 1-3, the utility model discloses a traditional chinese medicine granule draws vacuum system for technology, including vacuum apparatus and gas-liquid separation device, vacuum apparatus includes vacuum pump 1 and is used for driving vacuum pump 1's motor 2, gas-liquid separation device is used for separating in vacuum pump 1 gas-liquid and reduces the temperature of the interior liquid of vacuum pump 1, gas-liquid separation device includes gas-liquid separator 10 and locates heat exchanger 11 in gas-liquid separator 10, gas-liquid separator 10 is equipped with gas vent 101, gas-liquid inlet 102 and liquid delivery outlet 103, gas-liquid separator 10 is linked together with vacuum pump 1 through gas-liquid inlet 102 and liquid delivery outlet 103.
The utility model discloses a gas-liquid separation device can be with liquid and gas separation in the vacuum pump through gas-liquid separation device, and the heat exchanger through gas-liquid separation device can transmit the heat of liquid for the heat exchanger simultaneously to reduce the temperature of liquid. The liquid with the reduced temperature returns to the vacuum pump through the liquid outlet, so that the working liquid continuously circulates between the vacuum pump and the gas-liquid separation device, the working liquid of the vacuum pump is prevented from being directly discharged, the pollution is reduced, the water resource is saved, and the production cost is reduced. The temperature of the working solution is reduced through the heat exchanger, the high pumping speed and the high vacuum of the vacuum pump are guaranteed, the production efficiency is improved, and the production cost is reduced.
The heat exchanger 11 is a coil heat exchanger, and is disposed in the gas-liquid separator 10, and the water inlet and the water outlet are both disposed outside the gas-liquid separator 10. Compared with an external heat exchanger, the heat exchanger has the advantages of small occupied area and more compact structure. The working liquid is subjected to heat exchange in the gas-liquid separator, the working temperature is reduced, the temperature of the working liquid of the vacuum pump is ensured to be kept in a certain range, the pumping capacity and the vacuum degree of the vacuum pump can be kept at peak values by the working liquid with reasonable temperature, and therefore the working efficiency is improved.
The vacuum device further comprises a cold buffer mechanism, the cold buffer mechanism comprises a condensation mechanism and a vacuum buffer 6, and the condensation mechanism, the vacuum buffer 6 and the vacuum pump 1 are sequentially communicated. In particular the vacuum buffer 6, is in communication with the vacuum pump 1. The utility model discloses a condensing mechanism will extract gaseous condensation and get off and become liquid, is convenient for collect, pollution abatement. The vacuum buffer is a vacuum buffer tank and is used for supplementing or storing gas so as to ensure that a vacuum system keeps a certain vacuum degree.
Preferably, the condensing mechanism comprises a condenser and a liquid accumulator 5 communicated with the condenser, and the liquid accumulator 5 is communicated with the vacuum buffer 6. Preferably, the condenser includes one-level condenser 3 and second grade condenser 4 that are connected, second grade condenser 4 is linked together with hydrops ware 5. The liquid accumulator 5 is a liquid accumulation tank. Through the condensation of one-level condenser 3 and second grade condenser 4, can become liquid with under the most gas condensation that is pumped by the vacuum pump in the concentrator 100 to collect by the hydrops ware and carry out recovery processing, the gas that has not yet been condensed gets into the vacuum pump through vacuum buffer. The two-stage condenser can reduce the amount of non-condensable gas, reduce the energy consumption of a vacuum system, save energy, protect environment and reduce production cost.
Preferably, the vacuum pump 1 is a liquid ring vacuum pump, which adopts a liquid ring vacuum pump structure of the prior art and is not described in detail herein. The operating principle of the liquid ring type vacuum pump is that the impeller is eccentrically installed in the pump body, the impeller drives working liquid to rotate when rotating, so that an even liquid ring is formed on the inner surface of the pump body, thus, a closed air cavity is formed between the inner surfaces of the two blades, the hub and the liquid ring, the liquid ring is far away from the hub at the air suction end, the pressure in the air cavity is low, so that air is sucked into the air cavity through the air suction port of the disc, the liquid ring slowly forces the hub along with the further rotation of the impeller, and the air is compressed and discharged out of the pump through the air outlet of the disc. The utility model discloses in, the gas outlet and the liquid outlet of vacuum pump are same export. The vacuum pump is communicated with the exhaust liquid pipe through a flange and is communicated with the gas-liquid inlet through the exhaust liquid pipe.
Furthermore, the vacuum devices are at least two groups, and the two vacuum pumps are communicated with the two cooling and buffering mechanisms. The two groups of vacuum devices can independently operate and are respectively connected with one concentrator 100, and the two groups of vacuum devices share one gas-liquid separation device, so that the operation cost is effectively reduced, and the occupied area is reduced. Also can only open a vacuum pump, can carry out the evacuation to two concentrators 100 simultaneously through two cold slow mechanisms, improve production efficiency, reduction in production cost.
Preferably, the vacuum device comprises a first valve body 7, and the two vacuum pumps 1 are communicated with the cooling and buffering mechanism of the other group through the first valve body 7. The first valve body 7 is a manual ball valve. When the first valve body is closed, the two groups of vacuum devices operate independently, and the vacuum pump of each group can only vacuumize the concentrator 100 connected with the vacuum pump of each group, so that if the vacuum device of one group is damaged or needs to be overhauled, the operation of the vacuum device of the other group cannot be influenced. The concentrator 100 is a dual effect concentrator.
More preferably, the vacuum device is provided with a third valve body 9 for controlling the opening and closing of the vacuum pump 1 and a vacuum gauge 8 for measuring a vacuum value. The third valve body 9 is a vacuum butterfly valve. The motor 2 and the third valve body 9 are opened and closed simultaneously, so that the normal operation of the vacuum pump is ensured. Preferably, two vacuum meters 8 are provided, and are respectively disposed on two sides of the first valve body 7, so as to display the vacuum values of the two sets of vacuum devices in real time.
The gas-liquid separator 10 is further provided with an overflow pipe 14 and a drain pipe 16, and the drain pipe 16 is provided with a second valve body 15. The overflow pipe can prevent the excessive liquid of the gas-liquid separator and ensure that the liquid level does not exceed the specified height. And the liquid discharge pipe is used for discharging liquid in the gas-liquid separator and cleaning the gas-liquid separator.
Preferably, the gas-liquid separator 10 is provided with a liquid level meter 13 for measuring the liquid level position of the liquid in the gas-liquid separator 10.
Preferably, the gas-liquid separator 1 is further provided with a water replenishing valve 12 for injecting water into the gas-liquid separator 10. When the liquid quantity in the gas-liquid separator is insufficient, the water replenishing valve can be opened to inject water into the gas-liquid separator, so that a certain liquid quantity in the gas-liquid separator is ensured.
The utility model discloses to traditional chinese medicine granule extraction process, adopt the working solution inner loop exchange cooling, the design principle of recycling reduces the working solution temperature, has improved the vacuum, makes economic benefits and social benefits concentrator evaporation formula vacuum reach or keep at certain vacuum value (-0.07-0.08 Mpa), and wherein, water begins the vaporization at 70 ℃ when the vacuum value is-0.07 Mpa, and water begins the vaporization when 61 ℃ when the vacuum value is-0.08 Mpa. The production efficiency can be improved and the production cost can be reduced by keeping higher vacuum degree.
To sum up, the utility model provides a vacuum system for traditional chinese medicine granule extraction process reduces the working solution temperature, improves vacuum, and production efficiency is high, the water economy resource, reduction in production cost.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A vacuum system for traditional Chinese medicine particle extraction process is characterized by comprising a vacuum device and a gas-liquid separation device, wherein the vacuum device comprises a vacuum pump and a motor for driving the vacuum pump,
the gas-liquid separation device is used for separating gas and liquid in the vacuum pump and reducing the temperature of liquid in the vacuum pump, the gas-liquid separation device comprises a gas-liquid separator and a heat exchanger arranged in the gas-liquid separator, the gas-liquid separator is provided with an exhaust port, a gas-liquid inlet and a liquid outlet, and the gas-liquid separator is communicated with the vacuum pump through the gas-liquid inlet and the liquid outlet.
2. The vacuum system for traditional Chinese medicine granule extraction process as claimed in claim 1, wherein the vacuum device comprises a cooling and slowing mechanism, the cooling and slowing mechanism comprises a condensation mechanism and a vacuum buffer, and the condensation mechanism, the vacuum buffer and the vacuum pump are sequentially communicated.
3. The vacuum system for traditional Chinese medicine granule extraction process as claimed in claim 2, wherein the condensing mechanism comprises a condenser and a liquid accumulator communicated with the condenser, and the liquid accumulator is communicated with the vacuum buffer.
4. The vacuum system for traditional Chinese medicine granule extraction process of claim 3, wherein the condenser comprises a first-stage condenser and a second-stage condenser which are connected, and the second-stage condenser is communicated with the liquid accumulator.
5. The vacuum system for extraction process of Chinese medicinal granules according to any one of claims 2-4, wherein said vacuum devices are at least two sets, and both of said vacuum pumps are connected to two cooling and slowing mechanisms.
6. The vacuum system for traditional Chinese medicine granule extraction process as claimed in claim 5, wherein said vacuum device comprises a first valve body, and both of said vacuum pumps are communicated with the other set of cooling and buffering mechanism through the first valve body.
7. The vacuum system for extraction process of Chinese medicinal granule as claimed in claim 1, wherein the gas-liquid separator is provided with an overflow pipe and a liquid discharge pipe, and the liquid discharge pipe is provided with a second valve body.
8. The vacuum system for traditional Chinese medicine granule extraction process as claimed in claim 1, wherein the gas-liquid separator is provided with a water replenishing valve for injecting water into the gas-liquid separator.
9. The vacuum system for traditional Chinese medicine granule extraction process of claim 1, wherein the gas-liquid separator is provided with a liquid level meter.
10. The vacuum system for traditional Chinese medicine granule extraction process as claimed in claim 1, wherein the vacuum pump is a liquid ring vacuum pump, and the vacuum device is provided with a third valve body for controlling the opening and closing of the vacuum pump and a vacuum gauge for measuring a vacuum value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921602388.7U CN211215475U (en) | 2019-09-25 | 2019-09-25 | Vacuum system for traditional Chinese medicine granule extraction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921602388.7U CN211215475U (en) | 2019-09-25 | 2019-09-25 | Vacuum system for traditional Chinese medicine granule extraction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211215475U true CN211215475U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921602388.7U Active CN211215475U (en) | 2019-09-25 | 2019-09-25 | Vacuum system for traditional Chinese medicine granule extraction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211215475U (en) |
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2019
- 2019-09-25 CN CN201921602388.7U patent/CN211215475U/en active Active
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