CN210356302U - Decolorizing and filter pressing device - Google Patents
Decolorizing and filter pressing device Download PDFInfo
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- CN210356302U CN210356302U CN201920713884.3U CN201920713884U CN210356302U CN 210356302 U CN210356302 U CN 210356302U CN 201920713884 U CN201920713884 U CN 201920713884U CN 210356302 U CN210356302 U CN 210356302U
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Abstract
A decoloring and filter-pressing device comprises a decoloring tank, a filter press, a fine filter and a crystallizing tank, wherein a discharge port at the bottom of the decoloring tank is connected with a discharge pump, the discharge pump is connected with a high-pressure buffer tank through a discharge valve, a compressed air inlet is formed in the high-pressure buffer tank, the compressed air inlet is connected with a compressed air source through an air pressure valve, a discharge hole is formed below the high-pressure buffer tank, the discharge hole is connected with a mother liquor inlet at the bottom of the filter press through the discharge valve, and the discharge hole is connected with a pressurizing port of the filter press through a pressurizing valve; the filtrate outlet of the filter press is connected with the feed back port of the decoloring tank through a reflux valve, the filtrate outlet is connected with the feed inlet of the fine filter through a fine filter valve, and the filtrate outlet of the fine filter is connected with the feed inlet of the crystallizing tank. The utility model provides a decoloration filter-pressing device can realize the whole ordinary pressure operation of decoloration jar, and equipment investment is little, consumes gas power few, and the top is washed easy operation swiftly.
Description
Technical Field
The utility model relates to a decoloration filter-pressing device belongs to the pharmaceutical manufacturing technology field.
Background
In the production of medicines, active carbon is often needed to be adopted for decolorization treatment of finished products, the active carbon is generally used for treating mother liquor in a decolorization tank in the process, the mother liquor after the active carbon treatment needs to be filtered by a filter press and then enters a crystallization tank for crystallization, if the primary decolorization does not meet the technical requirements, the mother liquor needs to be refluxed for many times in the filter press and the decolorization tank to reach corresponding qualified indexes, the decolorization tank also needs to be subjected to top washing operation, in the process, in order to stabilize a filter cake carbon layer in the filter press and ensure the filter pressing effect, the decolorization tank, the filter press and a pipeline connected with the filter press need to be carried out in the environment of full air pressure or nitrogen, the decolorization tank in industrial production needs to be made into a pressure-resistant tank body, if a full air pressure or nitrogen decolorization device is used, the equipment has high investment, huge gas consumption and high energy consumption, and the operation of the decolorizing tank under the positive pressure condition is quite complicated during top washing, and the working efficiency is not high.
Disclosure of Invention
The utility model aims to provide a: the decoloration filter pressing device can realize the whole normal pressure operation of the decoloration tank, has small equipment investment, low gas consumption and energy consumption, and is simple and rapid in top washing operation.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a decoloring and filter-pressing device comprises a decoloring tank, a filter press, a fine filter and a crystallizing tank, wherein the decoloring tank is provided with a feed inlet, a feed back port and a discharge port, the filter press is provided with a mother liquid inlet, a filtrate outlet and a pressurizing port, the discharge port at the bottom of the decoloring tank is connected with a discharge pump, the discharge pump is connected with a high-pressure buffer tank through a discharge valve, the high-pressure buffer tank is provided with a compressed air inlet, the compressed air inlet is connected with a compressed air source through an air pressure valve, a discharge port is arranged below the high-pressure buffer tank, the discharge port is connected with the mother liquid inlet at the bottom of the filter press through the discharge valve, and the discharge port is connected with the; a filtrate outlet of the filter press is connected with a feed back port of the decoloring tank through a reflux valve, a filtrate outlet is connected with a feed inlet of a fine filter through a fine filter valve, and a filtrate outlet of the fine filter is connected with a feed inlet of a crystallizing tank; further, the horizontal installation position of the high-pressure buffer tank is higher than the horizontal height of the filter press; further, the volume of the decoloring tank is more than 1000 liters, and the volume of the high-pressure buffer tank is between 200 liters and 600 liters; further, the filter press is a candle filter press, a stainless steel filter rod is arranged in the candle filter press, and filter cloth is arranged on the stainless steel filter rod; the fine filter is a stainless steel microporous filter; furthermore, a viewing cup is arranged on a pipeline between a filtrate outlet of the filter press and a material return port of the decoloring tank, a stop valve is arranged at a discharge port at the bottom of the decoloring tank, and the stop valve is communicated with a waste liquid tank.
The utility model discloses an actively beneficial technological effect lies in: through set up high-pressure buffer tank between decoloration jar and pressure filter, at the bleeder valve, the smart valve that strains, under the cooperation of pressure valve and baiting valve, can utilize the pressure of high-pressure buffer tank to pressurize the pressure filter under the state of decoloration jar ordinary pressure and filter, after the filter-pressing, when needing the pressurize to the system for keeping the carbon layer on the pressure filter stable, because high-pressure buffer tank height is higher than the pressure filter height, even under the condition that does not have pump pressure or pneumatics, as long as there is the material in the high-pressure buffer tank, certain pressure of pressure filter also can be maintained to its potential difference pressure, make the carbon bed not drop, can save a large amount of energy and gas, supporting decoloration jar volume is big more moreover, the utility model discloses an advantage is more obvious, is fit for using widely on the industrial production.
Drawings
Fig. 1 is a schematic flow chart of an apparatus according to an embodiment of the present invention.
Detailed Description
In order to explain the utility model more fully, the following embodiment examples of the present invention are provided, which are only for the explanation of the present invention and do not limit the scope of the present invention.
The invention is explained in further detail with reference to the drawings, in which: 1. a decolorizing tank; 2. a high-pressure buffer tank; 3. a candle filter press; 4. a crystallization tank; 5. a feed inlet; 6. a discharge port; 7. a stop valve; 8. a discharge pump; 9. a discharge valve; 10. a discharging port; 11. a compressed air inlet; 12. a pressure relief valve; 13. a pressurization valve; 14. a discharge valve; 15. a visual cup; 16. a fine filtering valve; 17. a stainless steel microporous filter; 18. a reflux valve; 19. a return port.
As shown in the figure: a decoloration filter pressing device comprises a decoloration tank 1, a candle filter press 3, a stainless steel microporous filter 17 and a crystallization tank 4, wherein the decoloration tank is provided with a feed inlet 5, a feed back port 19 and a discharge port 10, the candle filter press is provided with a mother liquid inlet, a filtrate outlet and a pressurizing port, a stainless steel filter stick is arranged inside the candle filter, filter cloth is arranged on the stainless steel filter stick, the discharge port at the bottom of the decoloration tank is connected with a discharge pump 8, the discharge pump is connected with a high-pressure buffer tank 2 through a discharge valve 9, the discharge port at the bottom of the decoloration tank is also provided with a stop valve 7, the stop valve is communicated with a waste liquid tank; a compressed air inlet 11 is arranged on the high-pressure buffer tank, the compressed air inlet is connected with a compressed air source through an air pressure valve 12, a discharge hole 10 is arranged below the high-pressure buffer tank, the discharge hole is connected with a mother liquor inlet at the bottom of the candle filter press through a discharge valve 14, and the discharge hole is connected with a pressurizing port of the candle filter press through a pressurizing valve 13; the filtrate outlet of the candle filter press is connected with the feed back port of the decolorizing tank through a reflux valve 18, a viewing cup 15 is arranged on a pipeline between the filtrate outlet of the candle filter press and the feed back port of the decolorizing tank, the filtrate outlet of the candle filter press is connected with the feed inlet of a stainless steel microporous filter through a fine filtering valve 16, and the filtrate outlet of the stainless steel microporous filter is connected with the feed inlet of a crystallizing tank.
The utility model discloses when using, decoloration mother liquor squeezes into the storage tank through the discharge pump, and the mother liquor returns the decoloration jar through baiting valve, pressure filter, sight cup, backwash valve, can utilize the pressure of pump to filter-press during the period, if filter-pressing pressure is not enough, baiting valve and bleeder valve can be closed, utilize the air pressure to pressurize the storage tank through the air pressure valve and filter, circulate to the filtrating qualified, open the smart valve 16 that strains, close backwash valve 18, will strain qualified liquid to the crystallizer, nearly no feed liquid to the decoloration jar, close bleeder valve and discharge pump, open the air pressure valve, close the baiting valve on the pressure filter, open the force valve, filter-press to dry; quantitative hot water for one-time top washing (provided by a special hot water tank and not shown in the figure) is injected into the decoloring tank for top washing, and the flow of the top washing is the same as that of the top washing.
The utility model discloses a decoloration jar no longer uses pneumatics (or nitrogen gas), realize the whole ordinary pressure operation of decoloration jar, the high pressure buffer tank installation has the buffering, conversion pressurization mode (the pumping pressure is strained and is converted into the pneumatics filter-pressing), and the function of pressure filter pressurize, can prevent that the pressure filter carbon-layer from droing, it is stable to keep technological parameter, the mounting height of high pressure buffer tank is higher than the pressure filter, even under the condition that does not have pumping pressure or pneumatics, as long as there is the material in the storage tank, certain pressure of pressure filter also can be maintained to its poor pressure, make the carbon-layer not. The decolorization tank for pharmacy is more than 1200L, and the volume of the high-pressure buffer tank is 200-600L.
The utility model discloses a candle filter press, it is very sensitive to the stability of filtering the carbon-layer, the carbon-layer destroys and will lead to filtrating substandard, consequently, adopt behind this technical scheme, can guarantee that the carbon layer on the filter cloth in the candle filter press is stable, guarantee filtration quality, and the strainer adopts stainless steel microporous filter, stainless steel microporous filter comprises foldable microporous membrane filter core and stainless steel urceolus, multicore filter core material adopts polypropylene, gather the tetraene, cellulose acetate, it is various to select, mirror surface polishing is handled all to the filter internal surface, no sanitary dead angle, accord with the production GMP standard requirement, it is small, light in weight, high durability and convenient use, large filtration area, the jam rate is low, the filter speed is fast, and is pollution-free, heat rare stability and chemical stability are good, can satisfy the production demand of various needs decoloration medicines.
After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.
Claims (5)
1. The utility model provides a decoloration filter pressing device, includes decoloration jar, pressure filter, strainer and crystallizer, is provided with feed inlet, feed back mouth and discharge gate on the decoloration jar, is provided with mother liquor entry, filtrating export and pressurization mouth on the pressure filter, its characterized in that: a discharge port at the bottom of the decoloring tank is connected with a discharge pump, the discharge pump is connected with a high-pressure buffer tank through a discharge valve, a compressed air inlet is formed in the high-pressure buffer tank, the compressed air inlet is connected with a compressed air source through an air pressure valve, a discharge port is arranged below the high-pressure buffer tank, the discharge port is connected with a mother liquid inlet at the bottom of the filter press through a discharge valve, and the discharge port is connected with a pressurizing port of the filter press through a pressurizing valve; the filtrate outlet of the filter press is connected with the feed back port of the decoloring tank through a reflux valve, the filtrate outlet is connected with the feed inlet of the fine filter through a fine filter valve, and the filtrate outlet of the fine filter is connected with the feed inlet of the crystallizing tank.
2. A decolorization and pressure filtration apparatus according to claim 1, characterized in that: the volume of the decoloration tank is more than 1000 liters, and the volume of the high-pressure buffer tank is between 200 liters and 600 liters.
3. A decolorization and pressure filtration apparatus according to claim 1, characterized in that: the horizontal installation position of the high-pressure buffer tank is higher than the horizontal height of the filter press.
4. A decolorization and pressure filtration apparatus according to claim 1, characterized in that: the filter press is a candle type filter press, a stainless steel filter rod is arranged in the candle type filter press, and filter cloth is arranged on the stainless steel filter rod; the fine filter is a stainless steel microporous filter.
5. A decolorization and pressure filtration apparatus according to claim 1, characterized in that: the filter press is characterized in that a viewing cup is arranged on a pipeline between a filtrate outlet of the filter press and a material return port of the decoloring tank, a stop valve is arranged at a discharge port at the bottom of the decoloring tank, and the stop valve is communicated with a waste liquid tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713884.3U CN210356302U (en) | 2019-05-18 | 2019-05-18 | Decolorizing and filter pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713884.3U CN210356302U (en) | 2019-05-18 | 2019-05-18 | Decolorizing and filter pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210356302U true CN210356302U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920713884.3U Active CN210356302U (en) | 2019-05-18 | 2019-05-18 | Decolorizing and filter pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210356302U (en) |
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2019
- 2019-05-18 CN CN201920713884.3U patent/CN210356302U/en active Active
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