Efficient and energy-saving liquid medicine extraction and concentration device
Through the combined heating method of thermally conductive oil and steam in the liquid concentration tank, the liquid is repeatedly circulated and concentrated under a negative pressure environment, which solves the problems of energy waste and thermal energy instability during the liquid extraction and concentration process, achieves efficient energy saving and stable thermal energy supply, and improves the quality and purity of the liquid.
Patent Information
- Application Number
- CN202123203131.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-20
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2031-12-20
AI Technical Summary
During the extraction and concentration of drug liquids in existing pharmaceutical factories, water vapor is wasteful and thermal energy is unstable when it is used as a heat source, resulting in low production efficiency and serious environmental pollution.
Thermal oil is used as the main heating medium, heat energy is provided through the thermal oil boiler, and the steam generated by the liquid concentration tank is used as the auxiliary heat source to undergo repeated circulation and concentration under a negative pressure environment, and heat energy is recovered and utilized in combination with the gas-liquid separator and condenser.
It improves the quality and purity of the medicine liquid, reduces energy waste, reduces production costs, and achieves efficient utilization of heat energy and stable heating.
Smart Images
Figure CN223127257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid medicine extraction and concentration equipment, in particular to an efficient and energy-saving liquid medicine extraction and concentration device. Background Art
[0002] In recent years, the technology of producing concentrated liquid medicine in pharmaceutical factories has developed. The extraction and concentration technology often uses water vapor as a medium to heat the liquid medicine for extraction and concentration. During the extraction and concentration of the liquid medicine, water vapor will also be generated. Generally, the generated water vapor is directly discharged after condensation, resulting in waste of energy. Moreover, the heat energy of the water vapor generated during the extraction and concentration of the liquid medicine with water vapor is unstable, and it wastes water resources and increases coal consumption, seriously polluting the environment, resulting in low production efficiency and high production costs. Summary of the Invention
[0003] The purpose of the utility model is to provide an efficient and energy-saving liquid medicine extraction and concentrator, which can recycle the steam generated during the concentration of the liquid medicine during production and can maintain a stable heat source supply during the concentration process.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: an efficient and energy-saving liquid medicine extraction and concentration device, including a liquid medicine extraction tank, a liquid medicine temporary storage tank, a plurality of liquid medicine concentration tanks, a finished product tank and a heat-conducting oil boiler. The liquid medicine extraction tank and the liquid medicine concentration tanks are all equipped with tubular heaters. The characteristics are as follows: the liquid medicine outlet of the liquid medicine extraction tank is connected to the liquid medicine temporary storage tank, the liquid medicine temporary storage tank is connected to the material inlet of one of the liquid medicine concentration tanks through a liquid medicine pump and an extraction liquid conveying pipeline, and the remaining liquid medicine concentration tanks are connected in sequence. After connection, the material outlet of the previous liquid medicine concentration tank is connected to the material inlet of the next liquid medicine concentration tank, the steam outlet of the previous liquid medicine concentration tank is connected to the inlet of the tubular heater of the next liquid medicine concentration tank, the steam outlet of the last liquid medicine concentration tank is connected to the first condenser, and gas-liquid separators are connected to the outlets of the tubular heaters of the second to the last liquid medicine concentration tanks and the outlet of the first condenser; the gas outlets of all the gas-liquid separators are respectively connected to a vacuum pump through air pipes, the liquid outlets of all the gas-liquid separators are respectively connected to the first condensed liquid medicine temporary storage tank, and the liquid outlet of the first condensed liquid medicine temporary storage tank is connected to the liquid medicine extraction tank through a first reflux pump in sequence; the concentrated liquid outlets of all the liquid medicine concentration tanks are respectively connected to the finished product tank; after the heat-conducting oil boiler is connected to the heat-conducting oil pump, it is respectively connected to the tubular heaters of the liquid medicine extraction tank and the first liquid medicine concentration tank through oil pipes to form two oil supply circuits, and an oil flow control valve is installed on each oil supply circuit.
[0005] Further, a second condenser, an extraction gas-liquid separator, and a second condensed liquid medicine temporary storage tank are successively connected to the steam outlet of the liquid medicine extraction tank, and the liquid outlet of the second condensed liquid medicine temporary storage tank is successively connected to a second reflux pump and the liquid medicine extraction tank.
[0006] Further, the heat-conducting oil in the heat-conducting oil pan is high-temperature lubricating oil.
[0007] Further, a filter is also connected to the extraction liquid conveying pipeline.
[0008] Further, a flow meter is also connected to the material inlet of the liquid medicine concentration tank.
[0009] Further, there are 5 liquid medicine concentration tanks.
[0010] The beneficial effects of the present utility model are as follows: With the above structure, the liquid medicine can be repeatedly circulated, concentrated, and cooked in a negative pressure environment, greatly improving the quality and purity of the liquid medicine. In addition, by using heat-conducting oil as the main heating medium, the heat energy utilization rate is high, the heating is fast and the heat supply is stable, and the steam generated by the liquid medicine concentration tank is used as an auxiliary heat source to make full use of the heat energy.
[0011] Adopting the heating method of the present utility model, compared with the traditional steam heating method, it is energy-saving, the heat supply is stable, and the production cost is low. Description of the Drawings
[0012] The following further elaborates on the present utility model in conjunction with the drawings.
[0013] Figure 1 It is a structural schematic diagram of the present utility model. Detailed Embodiments
[0014] As Figure 1 shown, a high-efficiency and energy-saving liquid medicine extraction and concentration device of the present utility model includes a liquid medicine extraction tank 1, a liquid medicine temporary storage tank 2, a liquid medicine pump 3, a filter 4, a first liquid medicine concentration tank 5, a second liquid medicine concentration tank 6, a third liquid medicine concentration tank 7, a fourth liquid medicine concentration tank 8, a fifth liquid medicine concentration tank 9, a finished product tank 10, a heat-conducting oil boiler 11, a second condenser 12, an extraction gas-liquid separator 13, a second condensed liquid medicine temporary storage tank 14, a first condenser 15, a second concentration gas-liquid separator 16, a third concentration gas-liquid separator 17, a fourth concentration gas-liquid separator 18, a fifth concentration gas-liquid separator 19, a gas-liquid separator 20 of the first condenser, an oil quantity control valve 21, a heat-conducting oil pump 22, a steam pipe 23, an exhaust regulating valve 24, a vacuum pump 25, a first condensed liquid medicine temporary storage tank 26, a first reflux pump 27, an extraction liquid conveying valve 28, a finished product conveying control valve 29, a material pipe 30, an oil pipe 31, an extraction liquid conveying pipeline 32, a tubular heater 33 of the liquid medicine extraction tank, a tubular heater 34 of the first liquid medicine concentration tank, and a second reflux pump 35.
[0015] Among them, the liquid medicine outlet of the liquid medicine extraction tank 1 is connected to the liquid medicine temporary storage tank 2. The liquid medicine temporary storage tank 2 is connected to the material inlet of the first liquid medicine concentration tank 5 through the liquid medicine pump 3 and the extraction liquid conveying pipeline 32. The remaining liquid medicine concentration tanks (the second to the fifth liquid medicine concentration tanks) are connected in sequence. After connection, the material outlet of the previous liquid medicine concentration tank is connected to the material inlet of the next liquid medicine concentration tank through the material pipe 30. The steam outlet of the previous liquid medicine concentration tank is connected to the tube heater inlet of the next liquid medicine concentration tank. The steam outlet of the last liquid medicine concentration tank is connected to the first condenser. Gas-liquid separators are respectively connected to the tube heater outlets of the second liquid medicine concentration tank 6 to the fifth liquid medicine concentration tank 9 and the outlet of the first condenser; namely, the second concentrated gas-liquid separator 16, the third concentrated gas-liquid separator 17, the fourth concentrated gas-liquid separator 18, the fifth concentrated gas-liquid separator 19, and the gas-liquid separator 20 of the first condenser.
[0016] The gas outlets of the second concentrated gas-liquid separator 16, the third concentrated gas-liquid separator 17, the fourth concentrated gas-liquid separator 18, the fifth concentrated gas-liquid separator 19, and the gas-liquid separator 20 of the first condenser are respectively connected to a vacuum pump 25 through the gas outlet pipes, and an exhaust regulating valve 24 is installed on each corresponding gas outlet pipe. The liquid outlets of the second concentrated gas-liquid separator 16, the third concentrated gas-liquid separator 17, the fourth concentrated gas-liquid separator 18, the fifth concentrated gas-liquid separator 19, and the gas-liquid separator 20 of the first condenser are respectively connected to the first condensed liquid medicine temporary storage tank 26. The liquid outlet of the first condensed liquid medicine temporary storage tank 26 is sequentially connected to the first reflux pump 27 and the material inlet of the liquid medicine extraction tank 1. The concentrated liquid outlets of all the liquid medicine concentration tanks are respectively connected to the finished product tank 10 through the finished product conveying pipelines, and a finished product conveying control valve 29 is installed on each corresponding finished product conveying pipeline to control the discharge of the finished product concentrate.
[0017] After the heat-conducting oil boiler 11 is connected to the heat-conducting oil pump 22, they are respectively connected to the tube heater 33 of the liquid medicine extraction tank and the tube heater 34 of the first liquid medicine concentration tank through the oil pipes 31 to form two oil supply circuits, and an oil flow control valve 21 is installed on each oil supply circuit.
[0018] In addition, a second condenser 12 and an extraction gas-liquid separator 13 are successively connected to the air outlet of the liquid medicine extraction tank 1. The liquid outlet of the extraction gas-liquid separator 13 is connected to the second condensed liquid medicine temporary storage tank 14. The air outlet of the extraction gas-liquid separator 13 is opened, and the gas generated after gas-liquid separation is directly discharged. The liquid outlet of the second condensed liquid medicine temporary storage tank 14 is successively connected to the second reflux pump 35 and the material inlet of the liquid medicine extraction tank 1. The steam generated during cooking and extraction enters the second condenser 12 for condensation, and then enters the extraction gas-liquid separator 13 for gas-liquid separation. The condensed liquid medicine flows into the second condensed liquid medicine temporary storage tank 14, and the gas is directly discharged. The liquid medicine formed after cooking enters the liquid medicine temporary storage tank 2, is sent out by the liquid medicine pump 3, filtered by the filter 4, and then enters the first liquid medicine concentration tank 5.
[0019] A flow meter is also connected to the material inlet of each liquid medicine concentration tank for counting the amount of liquid medicine entering the liquid medicine concentration tank.
[0020] The heat-conducting oil in the heat-conducting oil pan can be high-temperature lubricating oil. During use, the heat-conducting lubricating oil heated to 250 °C is pumped into the tubular heater 33 of the liquid medicine extraction tank and the tubular heater 34 of the first liquid medicine concentration tank through the heat-conducting oil pump 22. Then, the liquid medicine pump 3 pumps the liquid medicine flow rate into the first liquid medicine concentration tank through the material input pipe. The liquid medicine undergoes heat exchange with the heat-conducting lubricating oil at the bottom of the liquid medicine concentration tank. The generated steam and the heat-exchanged liquid medicine move upward together. The liquid medicine enters the next liquid medicine concentration tank through the material pipe. The steam temperature of the first liquid medicine concentration tank is 100 °C, and it enters the tubular heater of the second liquid medicine concentration tank through the steam output pipe. After the liquid medicine enters the second liquid medicine concentration tank, after heat exchange in the same way, the generated steam and the heat-exchanged liquid medicine move upward together. The liquid medicine then enters the third liquid medicine concentration tank through the material output pipe. The steam temperature is 88 °C, and it enters the third liquid medicine concentration tank through the steam output pipe.
[0021] After the liquid medicine enters the third liquid medicine concentration tank 3, after heat exchange in the same way, the generated steam and the heat-exchanged liquid medicine move upward together. The liquid medicine then enters the fourth liquid medicine concentration tank through the material output pipe. The steam temperature is 87 °C and it enters the fourth liquid medicine concentration tank through the steam output pipe.
[0022] After the liquid medicine enters the fourth liquid medicine concentration tank, after heat exchange in the same way, the generated steam and the heat-exchanged liquid medicine move upward together. The liquid medicine then enters the fifth liquid medicine concentration tank through the material output pipe. The steam temperature is 65 °C and it enters the fifth liquid medicine concentration tank through the steam output pipe.
[0023] After the liquid medicine enters the fifth liquid medicine concentration tank, after heat exchange in the same way, the generated steam is condensed by the condenser, the gas is discharged through the vacuum pump, and the condensate enters the first condensate temporary storage tank 26.
[0024] The process method for producing concentrated medicinal liquid by using the utility model is as follows: First, put the medicinal materials into the extraction tank and add water. Start the heat-conducting oil boiler 11 and open the oil flow control valve on the return path of the tubular heater 33 leading to the medicinal liquid extraction tank, so that the heat-conducting oil enters the tubular heater 33 and cooks the medicinal materials, causing the medicinal liquid in the extraction tank to boil and controlling the temperature at 100 °C, so that the medicinal materials slowly penetrate out the medicinal liquid to obtain the medicinal liquid.
[0025] Then, open the extraction liquid delivery valve 28, and the medicinal liquid in the medicinal liquid extraction tank 1 flows into the medicinal liquid temporary storage tank 2 for temporary storage. Start the medicinal liquid pump 3 to deliver the medicinal liquid to the first medicinal liquid concentration tank 5. Turn on the vacuum pump 25 to pump air, and at the same time open the oil flow control valve on the return path of the tubular heater 34 leading to the first medicinal liquid concentration tank, so that the heat-conducting oil enters the tubular heater 34 of the first medicinal liquid concentration tank and concentrates and cooks the medicinal liquid. Among the 5 connected medicinal liquid concentration tanks, the steam generated by the previous medicinal liquid concentration tank is used as the heat source for the heater of the next medicinal liquid concentration tank, and the condensed medicinal liquid after the steam condenses is recycled back to the medicinal liquid extraction tank.
[0026] Finally, after repeated concentration and cooking, when the concentrated medicinal liquid passes the inspection, correspondingly open the finished product delivery control valve 29 to divert the concentrated medicinal liquid to the finished product tank.
[0027] The above content is only used to illustrate the technical solution of the utility model. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the utility model does not depart from the essence and scope of the technical solution of the utility model.
Claims
1. An efficient and energy-saving liquid medicine extraction and concentration device, comprising a liquid medicine extraction tank, a liquid medicine temporary storage tank, a plurality of liquid medicine concentration tanks, a finished product tank and a heat-conducting oil pan. The liquid medicine extraction tank and the liquid medicine concentration tanks are all equipped with tubular heaters, and it is characterized in that: The liquid medicine outlet of the liquid medicine extraction tank is connected to the liquid medicine temporary storage tank. The liquid medicine temporary storage tank is connected to the material inlet of one of the liquid medicine concentration tanks through a liquid medicine pump and a liquid extraction conveying pipeline. The remaining liquid medicine concentration tanks are connected in sequence. After connection, the material outlet of the previous liquid medicine concentration tank is connected to the material inlet of the next liquid medicine concentration tank. The steam outlet of the previous liquid medicine concentration tank is connected to the tubular heater inlet of the next liquid medicine concentration tank. The steam outlet of the last liquid medicine concentration tank is connected to the first condenser. Gas-liquid separators are connected to the outlets of the tubular heaters of the second to the last liquid medicine concentration tanks and the outlet of the first condenser; The gas outlets of all gas-liquid separators are respectively connected to a vacuum pump through gas pipes. The liquid outlets of all gas-liquid separators are respectively connected to the first condensed liquid medicine temporary storage tank. The liquid outlet of the first condensed liquid medicine temporary storage tank is sequentially connected to the first reflux pump and the liquid medicine extraction tank; The concentrated liquid outlets of all liquid medicine concentration tanks are respectively connected to the finished product tank; After the heat transfer oil boiler is connected to the heat transfer oil pump, it is respectively connected to the tubular heaters of the liquid medicine extraction tank and the first liquid medicine concentration tank through oil pipes to form two oil supply circuits, and an oil flow control valve is installed on each oil supply circuit.
2. The high-efficiency and energy-saving liquid medicine extraction and concentration device according to claim 1, characterized in that: The steam outlet of the liquid medicine extraction tank is also sequentially connected to the second condenser, the extraction gas-liquid separator and the second condensed liquid medicine temporary storage tank. The liquid outlet of the second condensed liquid medicine temporary storage tank is sequentially connected to the second reflux pump and the liquid medicine extraction tank.
3. The high-efficiency energy-saving liquid medicine extraction and concentration device according to claim 1, characterized in that: The heat transfer oil in the heat transfer oil boiler is high-temperature lubricating oil.
4. The high-efficiency energy-saving liquid medicine extraction and concentration device according to claim 1, wherein: A filter is also connected to the liquid extraction conveying pipeline.
5. The high-efficiency energy-saving liquid medicine extraction and concentration device according to claim 1, wherein: A flowmeter is also connected to the material inlet of the liquid medicine concentration tank.
6. The high-efficiency energy-saving liquid medicine extraction and concentration device according to any one of claims 1-5, characterized in that: There are 5 liquid medicine concentration tanks.