CN215691688U - Improved spray drying tower system for extracting traditional Chinese medicine - Google Patents
Improved spray drying tower system for extracting traditional Chinese medicine Download PDFInfo
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- CN215691688U CN215691688U CN202121088498.3U CN202121088498U CN215691688U CN 215691688 U CN215691688 U CN 215691688U CN 202121088498 U CN202121088498 U CN 202121088498U CN 215691688 U CN215691688 U CN 215691688U
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Abstract
The utility model provides a spray drying tower improved system for extracting traditional Chinese medicines, which comprises a drying main tower, a centrifugal atomizer, a feeding pipe, a heating and air supplying device, an air-powder separating tower, a powder collecting cyclone, an exhaust pipe and a dust concentration detection sensor, wherein the drying main tower is connected with the centrifugal atomizer; the heating and air supplying device and the air-powder separation tower are arranged and communicated with the inner cavity of the drying main tower, and the heating and air supplying device can provide heated hot air into the inner cavity of the drying main tower and carry out heat exchange drying on the medicine mist treated by the centrifugal atomizer; meanwhile, the air-powder separation tower generates air draft suction force in the inner cavity of the main drying tower, so that the medicine dust dried in the inner cavity of the main drying tower enters the inner cavity of the air-powder separation tower, the medicine dust falls to the bottom end of the air-powder separation tower for collection, and the waste gas is discharged outwards through an exhaust pipe; and meanwhile, a dust concentration detection sensor is arranged in the exhaust pipe, so that the concentration of the medicine dust contained in the exhausted waste gas is detected, and the corresponding adjustment is carried out for the air output and the air pressure of the subsequent fan.
Description
Technical Field
The utility model relates to the technical field of traditional Chinese medicine extraction equipment, in particular to an improved system of a spray drying tower for extracting traditional Chinese medicines.
Background
The spray drying tower is drying equipment for biological medicine, medicine and food microorganism. The spray drying tower is a drying process for separating the raw material liquid into fog drops in an atomizer and obtaining a product in the shape of powder particles by a method of directly contacting the fog drops with hot air or other gases.
For example, an authorized publication No. CN211462095U, entitled "an environment-friendly centrifugal spray drying tower", discloses that when the environment-friendly centrifugal spray drying tower is used to dry a drug, the drug mist is uniformly sprayed into the inner cavity through the liquid distribution pipe, and the hot air is uniformly blown into the inner cavity through the air distribution pipe, so as to improve the drying effect, and meanwhile, the rotating shaft is driven by the motor to rotate, so as to drive the scraper to scrape off and clean the inner wall of the drying tower, and the drug on the inner wall is scraped off and discharged out of the drying tower. In the patent, hot air is uniformly blown into the inner cavity of the drying tower in a rotating manner by adopting an air distribution pipe, so that the structure is complex and the installation is difficult; in addition, the inner wall of the drying tower is primarily cleaned by adopting the scraper, and the scraper is difficult to be completely attached to the inner wall of the drying tower in the actual process due to the fact that the inner wall of the drying tower is in a curved surface shape, so that the scraping effect is limited; in addition, the motor and the rotating shaft are driven to rotate and are arranged in the inner cavity of the drying tower, so that medicine dust in the inner cavity of the drying tower is difficult to avoid falling on the motor to be accumulated and cannot be recycled, and certain medicine waste is caused; finally, the patent does not detect the content of the drug dust contained in the exhaust gas discharged from the exhaust pipe, and cannot timely adjust the corresponding fan.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an improved system of a spray drying tower for extracting traditional Chinese medicines, which has reasonable structural layout and can detect the concentration of medicine dust contained in waste gas exhausted from an exhaust pipe.
The embodiment of the application provides a spray drying tower improvement system for traditional chinese medicine extraction, the improvement system includes:
drying the main tower;
the centrifugal atomizer is arranged at the top end of the inner cavity of the drying main tower;
the feeding pipe is communicated with the centrifugal atomizer;
the heating air supply device is communicated with the inner cavity of the centrifugal atomizer and is used for providing hot air for the centrifugal atomizer;
the air-powder separation tower is communicated with the bottom end of the centrifugal atomizer;
the powder collecting cyclone is communicated with the bottom end of the wind-powder separation tower and is used for generating cyclone in the inner cavity of the wind-powder separation tower;
the exhaust pipe is communicated with the air-powder separation tower and is used for exhausting the gas in the inner cavity of the air-powder separation tower;
and the dust concentration detection sensor is arranged in the inner cavity of the exhaust pipe and is used for detecting the dust concentration in the inner cavity of the exhaust pipe.
In a possible embodiment, the improved system further comprises a filter, and the heating and air supply device is communicated with the inner cavity of the centrifugal atomizer through the filter.
In a possible embodiment, the heating and air supply device comprises an air supply blower and an electric heater, and the air supply blower is connected with the electric heater through an air supply pipeline.
In a possible implementation manner, the improved system further comprises a high-pressure tower wall purging fan, and the high-pressure tower wall purging fan is communicated with the bottom end of the inner cavity of the centrifugal atomizer through a pipeline and is used for purging dust remained on the inner wall of the bottom end of the inner cavity of the centrifugal atomizer.
In a possible embodiment, the improved system further comprises a cooling wind powder collecting cyclone, and the cooling wind powder collecting cyclone is communicated with the bottom end of the wind-powder separation tower and is used for generating cooling cyclone in the inner cavity of the wind-powder separation tower.
In a possible implementation, the improved system further comprises an induced draft fan, and the induced draft fan is communicated with the exhaust pipe.
In one possible embodiment, the improved system further comprises a water curtain dust collector disposed in the interior of the exhaust duct adjacent the exhaust outlet thereof.
The utility model has the beneficial effects that:
1. the heating and air supplying device and the air-powder separation tower are arranged and communicated with the inner cavity of the drying main tower, and the heating and air supplying device can provide heated hot air into the inner cavity of the drying main tower and carry out heat exchange drying on the medicine mist treated by the centrifugal atomizer; meanwhile, the air-powder separation tower generates air draft suction force in the inner cavity of the main drying tower, so that the medicine dust dried in the inner cavity of the main drying tower enters the inner cavity of the air-powder separation tower, the medicine dust falls to the bottom end of the air-powder separation tower for collection, and the waste gas is discharged outwards through an exhaust pipe; meanwhile, a dust concentration detection sensor is arranged in the exhaust pipe, and is used for detecting the concentration of medicine dust contained in the exhausted waste gas and correspondingly adjusting the air output and air pressure of a subsequent fan;
2. the high-pressure tower wall blowing fan is arranged, so that the inner wall of the bottom end of the inner cavity of the drying main tower can be blown by using the air quantity generated by the high-pressure tower wall blowing fan, so that the medicine dust accumulated on the inner wall of the bottom end of the inner cavity of the drying main tower is blown and recycled, and the medicine waste is avoided; compared with the traditional cleaning mode adopting the scraper, the cleaning device is simpler in structure and better in cleaning effect.
Drawings
Fig. 1 is a schematic structural diagram of a spray drying tower improvement system for traditional Chinese medicine extraction in the embodiment of the application.
In the figure:
1-a drying main tower, 2-a centrifugal atomizer, 3-an electric heater, 4-a blower, 5-a filter, 6-a pipeline, 7-an air-powder separation tower, 8-a powder collecting cyclone, 9-a pipeline, 10-a draught fan, 11-a pipeline, 12-a cooling air powder collecting cyclone, 13-a dust concentration detection sensor, 14-an exhaust pipe, 15-a water curtain dust remover and 16-a high-pressure tower wall blowing fan.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a spray drying tower improvement system for traditional Chinese medicine extraction in the embodiment of the present application. The embodiment of the application provides a spray drying tower improvement system for traditional chinese medicine draws, including dry main tower 1, centrifugal nebulizer 2, inlet pipe, heating air supply arrangement, wind-powder separation tower 7, receive powder cyclone 8, exhaust pipe 14 and dust concentration detection sensor 13.
The feeding pipe is communicated with the centrifugal atomizer 2 and is used for feeding liquid medicine into the centrifugal atomizer 2 for centrifugal atomization to form liquid medicine mist. The centrifugal atomizer 2 is arranged at the top end of the inner cavity of the drying main tower 1 and is used for enabling medicine mist formed after centrifugation to enter the inner cavity of the drying main tower 1. The heating and air supplying device is communicated with the inner cavity of the drying main tower 1 and is used for supplying hot air to the inner cavity of the drying main tower 1, exchanging heat with the medicine mist and heating and drying the medicine mist. The wind-powder separation tower 7 is communicated with the bottom end of the inner cavity of the drying main tower 1 through a pipeline, the wind-powder separation tower 7 is simultaneously communicated with the powder collecting cyclone 8, namely, the powder collecting cyclone 8 is communicated with the bottom end of the inner cavity of the wind-powder separation tower 7 through the pipeline. The powder collecting cyclone 8 generates suction wind power, so that the medicine dust falling in the bottom end of the inner cavity of the drying main tower 1 enters the air-powder separating tower 7 through a pipeline, the air-powder separating tower 7 collects the entered medicine dust, and meanwhile, the waste gas enters the exhaust pipe 14 to be discharged outwards. In order to detect the drug dust contained in the exhaust gas discharged from the exhaust duct 14, a dust concentration detection sensor 13 is installed in the exhaust duct 14. In the embodiment of the present invention, since the dust contained in the exhaust gas in the exhaust duct 14 is basically dust composed of a medicine, the detection may be performed by using a conventional dust concentration sensor, that is, the dust concentration sensor is connected to the PLC system, and is configured to input an analog signal fed back by the detection of the dust concentration sensor into the PLC system, and the PLC system displays the concentration of the dust contained in the detected exhaust gas, and the operator performs corresponding adjustment. It can be understood that the function of the dust concentration sensor in the embodiment of the present application is only to detect the exhaust gas in the inner cavity of the exhaust duct 14, and does not involve the identification of the type of dust in the exhaust gas, as described above, the existing commonly used dust concentration sensor can be used for detection, and therefore, for the connection structure between the dust concentration sensor and the PLC system, the existing mature PLC control system can also be used, and will not be described here.
When the dust concentration detection sensor 13 detects and displays that the concentration of dust contained in the discharged waste gas is vertical and large, the wind pressure and the wind volume of the corresponding dust collection cyclone 8 are adjusted and reduced; otherwise, the air pressure and the air volume of the powder collecting cyclone 8 are adjusted and increased to ensure that the concentration of the medicine dust contained in the waste gas in the exhaust pipe 14 is lower, and the waste of the medicine is avoided as much as possible.
In order to avoid the external impurities from entering the whole improved system, the improved system in the embodiment of the application also comprises a filter 5, and the heating air supply device is communicated with the inner cavity of the centrifugal atomizer 2 through the filter 5. The filter can effectively prevent external impurities from entering the whole improved system through the inlet air.
In the embodiment of the present application, the heating and blowing device includes a blower 4 and an electric heater 3, and the blower 4 is connected to the electric heater 3 through a blowing duct provided. When the drying tower is used, the air introduced by the air blower 4 is heated by the electric heater 3, so that the air entering the inner cavity of the drying main tower 1 is hot air.
In order to sweep the medicine powder that remains on the lateral wall of dry main tower 1 inner chamber bottom, the improvement system in the embodiment of this application still includes high-pressure tower wall blower 16, and high-pressure tower wall blower 16 is linked together through pipeline and 2 inner chamber bottoms of centrifugal atomizer for sweep the dust that remains on 2 inner chamber bottom inner walls of centrifugal atomizer.
The improved system in the embodiment of the application further comprises a cooling air powder collecting cyclone 12, and the cooling air powder collecting cyclone 12 is communicated with the bottom end of the air-powder separating tower 7 and is used for generating cooling cyclone in the inner cavity of the air-powder separating tower 7.
In order to make possess stable wind pressure in the whole improvement system, the improvement system in this application embodiment still includes draught fan 10, and draught fan 10 is linked together with exhaust pipe 14, through being provided with draught fan 10 for the wind pressure in the whole exhaust pipe 14 is comparatively stable.
In order to avoid the harm of dust contained in the discharged waste gas to human bodies or the environment, a water curtain dust remover 15 is arranged in the exhaust pipe 14 and close to the exhaust port, the water curtain dust remover 15 can adopt a structure in the prior art, and the function of the water curtain dust remover is only to filter and remove dust particles contained in the waste gas.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (7)
1. A spray drying tower modification system for chinese medicine extraction, the modification system comprising:
drying the main tower;
the centrifugal atomizer is arranged at the top end of the inner cavity of the drying main tower;
the feeding pipe is communicated with the centrifugal atomizer;
the heating air supply device is communicated with the inner cavity of the centrifugal atomizer and is used for providing hot air for the centrifugal atomizer;
the air-powder separation tower is communicated with the bottom end of the centrifugal atomizer;
the powder collecting cyclone is communicated with the bottom end of the wind-powder separation tower and is used for generating cyclone in the inner cavity of the wind-powder separation tower;
the exhaust pipe is communicated with the air-powder separation tower and is used for exhausting the gas in the inner cavity of the air-powder separation tower;
and the dust concentration detection sensor is arranged in the inner cavity of the exhaust pipe and is used for detecting the dust concentration in the inner cavity of the exhaust pipe.
2. The improvement system of claim 1 further comprising a filter through which said heated air supply communicates with said centrifugal atomizer interior chamber.
3. The improvement as claimed in claim 2 wherein said heated air supply means includes an air supply and an electric heater, said air supply being connected to said electric heater by an air supply duct.
4. The improved system of any one of claims 1 to 3, further comprising a high-pressure tower wall purging fan, wherein the high-pressure tower wall purging fan is communicated with the bottom end of the inner cavity of the centrifugal atomizer through a pipeline and is used for purging dust remaining on the inner wall of the bottom end of the inner cavity of the centrifugal atomizer.
5. The improved system of claim 1, further comprising a cooling wind dust collector cyclone in communication with the bottom end of the wind-powder separation tower for generating a cooling cyclone in the wind-powder separation tower interior cavity.
6. The improvement system of claim 1, further comprising an induced draft fan in communication with the exhaust duct.
7. The improved system of claim 1 or 6, further comprising a water curtain precipitator disposed in the interior of the draft tube adjacent the outlet thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088498.3U CN215691688U (en) | 2021-05-20 | 2021-05-20 | Improved spray drying tower system for extracting traditional Chinese medicine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088498.3U CN215691688U (en) | 2021-05-20 | 2021-05-20 | Improved spray drying tower system for extracting traditional Chinese medicine |
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| Publication Number | Publication Date |
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| CN215691688U true CN215691688U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121088498.3U Active CN215691688U (en) | 2021-05-20 | 2021-05-20 | Improved spray drying tower system for extracting traditional Chinese medicine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768277A (en) * | 2022-04-29 | 2022-07-22 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
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2021
- 2021-05-20 CN CN202121088498.3U patent/CN215691688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768277A (en) * | 2022-04-29 | 2022-07-22 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
| CN114768277B (en) * | 2022-04-29 | 2023-09-05 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
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