Oxytetracycline hydrochloride fluidized drying device

Abstract

The utility model discloses an oxytetracycline hydrochloride fluidized drying device, and relates to the technical field of oxytetracycline hydrochloride drying equipment. The oxytetracycline hydrochloride drying device comprises a drying tank, the drying tank comprises a drying bin, a stock bin, a lower tank body and an upper tank body, the drying tank is used for providing a drying space for oxytetracycline hydrochloride, a heat supply assembly is arranged on one side of the drying tank, and the heat supply assembly comprises a heater, a shell, a first fan, a filter element, an air inlet pipe and a flow guide pipe. According to the oxytetracycline hydrochloride drying device, the recycling assembly is arranged, the effect of recycling exhausted heat is achieved, the air exhaust assembly can not only enable negative pressure to be formed in the inner cavity of the drying tank, but also exhaust moisture generated by drying, and therefore air exchange is achieved in the inner cavity of the drying tank, the oxytetracycline hydrochloride drying effect is achieved, and the drying efficiency is improved. And the cleaning assembly can clean the filtering assembly, and the situation that the filtering assembly is blocked after being used for a long time is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of oxytetracycline hydrochloride drying equipment, in particular to an oxytetracycline hydrochloride boiling drying device. Background Art

[0002] Fluidized bed drying equipment is a device that heats and purifies the air, forms fluidization through the effect of negative pressure, and dries the material quickly. It has the advantages of fast drying speed, good drying effect, and simple operation. It is widely used in the pharmaceutical, chemical, food, and agricultural industries. Oxytetracycline hydrochloride is a commonly used antibiotic. In the process of its production and processing, it is necessary to use a fluidized bed drying device to dry it to obtain a powdered oxytetracycline hydrochloride product.

[0003] According to Chinese patent application No.: 201922077128.9, a boiling dryer for oxytetracycline production is disclosed, including a bin body, a vibrating shaft is arranged inside the bin body, a vibrating device is arranged on the bin body, and the protruding end of the vibrating shaft is connected to the vibrating device, a receiving plate is fixed on the vibrating shaft, a filter plate is fixed on the vibrating shaft, and the fixing point of the filter plate and the vibrating shaft is located between the protruding end of the vibrating shaft and the fixing point of the receiving plate and the vibrating shaft, a discharge port is arranged on the bin body, and the discharge port is located on the side of the filter plate close to the side wall of the bin body, a horizontally arranged boiling bed is arranged inside the bin body, and the boiling bed is located at the fixing point of the vibrating shaft receiving plate and the vibrating shaft, a hot air pipe is arranged below the boiling bed, and a plurality of air outlets are arranged on the hot air pipe, one end of the hot air pipe protrudes from the bin body and is connected to a heater, and the end of the heater away from the hot air pipe is connected to an air filter through a pipeline, so that the material can be dried uninterruptedly, the production efficiency is improved, the energy utilization rate is higher, and the production cost is reduced;

[0004] The comparative case effectively solves the problem in the prior art that the boiling drying equipment cannot continuously dry the material and cannot screen the particles after drying. It has the advantages of being able to continuously dry and screen the dried material. However, this type of boiling drying device extracts the hot air in the bin into the air filter through an exhaust fan for recycling. The hot air directly extracted from the bin is likely to carry oxytetracycline powder. During long-term operation, the oxytetracycline powder is likely to cause blockage to the air filter, thereby affecting the use of the boiling dryer.

[0005] To this end, we provide a oxytetracycline hydrochloride boiling drying device to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a boiling drying device for oxytetracycline hydrochloride, which solves the problem of the boiling drying device in the prior art by coordinating an exhaust component, a filtering component and a cleaning component. The hot air in the bin body is extracted into the air filter for recycling by an exhaust fan, and the hot air directly extracted from the bin body is easy to carry oxytetracycline powder. During long-term operation, the oxytetracycline powder is easy to cause clogging of the air filter, thereby affecting the use of the boiling dryer.

[0007] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0008] The utility model discloses a boiling drying device for oxytetracycline hydrochloride, comprising a drying tank, wherein the drying tank comprises a drying bin, a silo, a lower tank body and an upper tank body, wherein the drying tank is used to provide a drying space for oxytetracycline hydrochloride, wherein a heating component is arranged on one side of the drying tank, wherein the heating component comprises a heater, a shell, a first fan, a filter element, an air inlet pipe and a flow guide pipe, wherein the heating component is used to provide drying heat, wherein a recovery component is arranged on the other side of the drying tank, wherein the recovery component comprises an exhaust component, a filter component and a cleaning component, wherein the exhaust component is used to form a negative pressure in the inner cavity of the drying tank and to discharge hot air, wherein the filter component is used to filter the discharged hot air, and wherein the cleaning component is used to clean the filter component.

[0009] The utility model is further configured that the silo is installed on the top of the lower tank body, the drying silo is installed on the top of the silo, and the upper tank body is installed on the top of the drying silo.

[0010] The utility model is further configured such that the shell is fixed to the top of the heater and is connected to the air inlet end of the heater through a pipe, the first fan is located on one side of the heater, and the two ends of the air inlet pipe are respectively connected to the air outlet end of the first fan and the shell.

[0011] The utility model is further configured that the filter element is fixed to the inner cavity of the shell, and one end of the flow guide tube is communicated with the inner cavity of the lower tank body.

[0012] The utility model is further configured such that the exhaust assembly includes a second fan, an air outlet pipe, a circulation pipe and a connecting pipe, one end of the circulation pipe is connected to the air outlet end of the second fan, the other end of the circulation pipe is connected to the outer shell, and one end of the air outlet pipe is connected to the air inlet end of the second fan.

[0013] The utility model is further configured that the filter assembly includes a filter box, a collection bucket and a filter screen, the filter screen is fixed to the inner cavity of the filter box, and the collection bucket is fixed to the bottom of the filter box and communicated with the inner cavity of the filter box.

[0014] The utility model is further configured such that two ends of the connecting pipe are respectively connected to the inner cavity of the upper tank body and the filter box, and the other end of the air outlet pipe is connected to the inner cavity of the filter box.

[0015] The utility model is further configured as follows: the cleaning assembly includes a servo motor, a transmission rod and a scraper, the servo motor is fixed to one side of the filter box, the scraper is located on the surface of the filter, one end of the transmission rod is fixedly connected to the scraper, and the other end of the transmission rod passes through the outside of the filter box and is transmission-connected to the output shaft of the servo motor.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model achieves the effect of drying oxytetracycline hydrochloride by arranging a drying tank and a heating component. The drying bin, the silo, the lower tank body and the upper tank body are combined to provide a drying space for oxytetracycline hydrochloride. The first fan and the air inlet pipe are used to transport external air. The outer shell and the filter element can filter the air to prevent the particulate matter in the gas from polluting the oxytetracycline hydrochloride. The heater heats the air. The guide pipe transports the high-temperature airflow to the inner cavity of the lower tank body. The exhaust component can form a negative pressure in the inner cavity of the drying tank. The high-temperature airflow enters the inner cavity of the drying tank to blow the oxytetracycline hydrochloride, so that the water vapor in the oxytetracycline hydrochloride gradually evaporates, and the moisture is discharged through the exhaust component, thereby achieving boiling drying of oxytetracycline hydrochloride.

[0018] 2. The utility model has the effect of recycling the discharged heat by setting a recovery component. The exhaust component can not only form a negative pressure in the inner cavity of the drying tank, but also discharge the moisture generated by drying, so that the inner cavity of the drying tank can achieve air exchange and the oxytetracycline hydrochloride can achieve the drying effect. The filter component can filter the discharged hot air to prevent the powder carried in the hot air from clogging the air filter. The cleaning component can clean the filter component to prevent the filter component from being blocked during long-term use, thereby preventing the boiling dryer from having a reduced use efficiency due to blockage.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1It is a schematic diagram of the main structure of a boiling drying device for oxytetracycline hydrochloride.

[0022] Figure 2 The present invention is a schematic diagram of the cross-sectional structure of a filter box in an oxytetracycline hydrochloride boiling drying device.

[0023] Figure 3 The present invention is a schematic diagram of the connection structure of a cleaning component in a boiling drying device for oxytetracycline hydrochloride.

[0024] Figure 4 The present invention is a schematic diagram of the side view structure of a heating component in a oxytetracycline hydrochloride boiling drying device.

[0025] Figure 5 This is a schematic diagram of the main structure of a drying tank in a boiling drying device for oxytetracycline hydrochloride.

[0026] In the attached drawings: 1. drying tank; 101. drying bin; 102. silo; 103. lower tank body; 104. upper tank body; 2. heating component; 201. heater; 202. housing; 203. first fan; 204. filter element; 205. air inlet pipe; 206. flow guide pipe; 3. recovery component; 31. exhaust component; 311. second fan; 312. air outlet pipe; 313. circulation pipe; 314. connecting pipe; 32. filter component; 321. filter box; 322. collecting bucket; 323. filter screen; 33. cleaning component; 331. servo motor; 332. transmission rod; 333. scraper. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1, please refer to Figure 1-5The utility model is a boiling drying device for oxytetracycline hydrochloride, comprising a drying tank 1, the drying tank 1 comprising a drying bin 101, a silo 102, a lower tank body 103 and an upper tank body 104, the drying tank 1 is used to provide a drying space for oxytetracycline hydrochloride, a heating component 2 is arranged on one side of the drying tank 1, the heating component 2 comprises a heater 201, a shell 202, a first fan 203, a filter element 204, an air inlet pipe 205 and a guide pipe 206, the heating component 2 is used to provide drying heat, a recovery component 3 is arranged on the other side of the drying tank 1, the recovery component 3 comprises an exhaust component 31, a filter component 32 and a cleaning component 33, the exhaust component 31 is used to form a negative pressure in the inner cavity of the drying tank 1 and to exhaust hot air, the filter component 32 is used to filter the exhausted hot air, and the cleaning component 33 is used to clean the filter component 32.

[0029] Specifically: the first fan 203 and the air inlet pipe 205 are used to transport external air, the housing 202 and the filter element 204 can filter the air to prevent particulate matter in the gas from contaminating the oxytetracycline hydrochloride, the heater 201 heats the air, and transports the high-temperature airflow to the inner cavity of the lower tank body 103 through the guide pipe 206, the exhaust component 31 can form a negative pressure in the inner cavity of the drying tank 1, the guide pipe 206 transports hot air to the inner cavity of the lower tank body 103, the high-temperature airflow enters the inner cavity of the drying tank 1 to blow the oxytetracycline hydrochloride, the water vapor in the oxytetracycline hydrochloride gradually evaporates through the high-temperature airflow, and the moisture generated by evaporation is discharged through the exhaust component 31, so that the boiling drying of the oxytetracycline hydrochloride can be achieved, the filter component 32 can filter the exhausted hot air to prevent the powder carried in the hot air from clogging the air filter, and the cleaning component 33 can clean the filter component 32 to prevent the filter component 32 from being blocked during long-term use.

[0030] Example 2, please refer to Figure 1 , 4 and 5. On the basis of specific embodiment 1, the silo 102 is installed on the top of the lower tank body 103, the drying bin 101 is installed on the top of the silo 102, the upper tank body 104 is installed on the top of the drying bin 101, the outer shell 202 is fixed to the top of the heater 201, and is connected to the air inlet end of the heater 201 through a pipeline, the first fan 203 is located on one side of the heater 201, and both ends of the air inlet pipe 205 are respectively connected to the air outlet end of the first fan 203 and the outer shell 202, the filter element 204 is fixed to the inner cavity of the outer shell 202, and one end of the guide pipe 206 is connected to the inner cavity of the lower tank body 103.

[0031] Specifically: the first fan 203 and the air inlet pipe 205 convey the external air to the inner cavity of the housing 202, and the air is filtered by the filter element 204. The filtered air is heated by the heater 201. The drying chamber 101 is used to provide a drying space. The oxytetracycline hydrochloride solution can be added to the inner cavity of the silo 102 by a sprayer. The oxytetracycline hydrochloride solution is sprayed into small droplets by the sprayer and enters the inner cavity of the silo 102. The guide pipe 206 conveys the heated air to the inner cavity of the lower tank 103. The high-temperature air The flow enters the inner cavity of the drying tank 1 to blow the small droplets formed by oxytetracycline hydrochloride. Since the oxytetracycline hydrochloride solution is in an atomized state and contacts with the high-temperature airflow, the water can evaporate quickly. After the water is evaporated, dry powdered oxytetracycline hydrochloride is obtained. The evaporated water forms moisture and is discharged along with the hot air extracted by the exhaust component 31, thereby maintaining the dry state of the inner cavity of the upper tank body 104. The dry powder falls into the inner cavity of the lower tank body 103 and can be discharged through the discharge valve at the bottom of the lower tank body 103.

[0032] Example 3, please refer to Figure 1-3 On the basis of the specific embodiment 1 and the specific embodiment 2, the exhaust component 31 includes a second fan 311, an air outlet pipe 312, a circulation pipe 313 and a connecting pipe 314, one end of the circulation pipe 313 is connected to the air outlet end of the second fan 311, the other end of the circulation pipe 313 is connected to the housing 202, one end of the air outlet pipe 312 is connected to the air inlet end of the second fan 311, and the filter component 32 includes a filter box 321, a collection bucket 322 and a filter screen 323, the filter screen 323 is fixed to the inner cavity of the filter box 321, the collection bucket 322 is fixed to the bottom of the filter box 321, and is connected to the outer casing 202. The inner cavity of the filter box 321 is connected, and the two ends of the connecting pipe 314 are respectively connected to the inner cavity of the upper tank body 104 and the filter box 321, and the other end of the air outlet pipe 312 is connected to the inner cavity of the filter box 321. The cleaning component 33 includes a servo motor 331, a transmission rod 332 and a scraper 333. The servo motor 331 is fixed to one side of the filter box 321, and the scraper 333 is located on the surface of the filter screen 323. One end of the transmission rod 332 is fixedly connected to the scraper 333, and the other end of the transmission rod 332 passes through the outside of the filter box 321 and is transmission-connected to the output shaft of the servo motor 331.

[0033] Specifically: the centrifugal force generated by the high-speed rotation of the second fan 311 drives the hot air and moisture in the inner cavity of the drying tank 1 to be discharged through the connecting pipe 314, the filter box 321, the exhaust pipe 312 and the circulation pipe 313. The hot air flows back to the inner cavity of the shell 202 through the circulation pipe 313 for filtration, and is heated again by the heater 201 so that it can be recycled. The powder in the hot air is filtered through the filter 323 and falls into the inner cavity of the collecting bucket 322. A discharge valve is provided at the bottom of the collecting bucket 322 to discharge the filtered powder. The output shaft of the servo motor 331 rotates to drive the transmission rod 332 to rotate, so that the transmission rod 332 drives the scraper 333 to rotate on the surface of the filter 323, so that the powder intercepted by the filter 323 can be cleaned to prevent the powder from clogging the filter 323.

[0034] The working principle of the utility model is as follows: the first fan 203 and the air inlet pipe 205 convey the external air to the inner cavity of the housing 202, and the air is filtered through the filter element 204. The filtered air is heated by the heater 201, and the guide pipe 206 conveys the heated air to the inner cavity of the lower tank body 103. The oxytetracycline hydrochloride solution is added to the inner cavity of the silo 102 by the sprayer. The oxytetracycline hydrochloride solution is sprayed into small droplets by the sprayer and enters the inner cavity of the silo 102. The high-temperature airflow enters the inner cavity of the drying tank 1 to blow the small droplets formed by oxytetracycline hydrochloride. Since the oxytetracycline hydrochloride solution is in an atomized state and contacts with the high-temperature airflow, the water can evaporate quickly. After the water is evaporated, a dry powder is obtained. Oxytetracycline hydrochloride, the centrifugal force generated by the high-speed rotation of the second fan 311 drives the heat and moisture in the inner cavity of the drying tank 1 to be discharged through the connecting pipe 314, the filter box 321, the exhaust pipe 312 and the circulation pipe 313, and the hot air flows back to the inner cavity of the shell 202 through the circulation pipe 313 for filtration, and is heated again by the heater 201 so that it can be recycled. The powder in the hot air is filtered through the filter 323 and falls into the inner cavity of the collecting bucket 322. The output shaft of the servo motor 331 rotates to drive the transmission rod 332 to rotate, so that the transmission rod 332 drives the scraper 333 to rotate on the surface of the filter 323, so that the powder intercepted by the filter 323 can be cleaned to prevent the powder from clogging the filter 323.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A boiling drying device for oxytetracycline hydrochloride, comprising a drying tank (1), characterized in that: The drying tank (1) comprises a drying bin (101), a silo (102), a lower tank body (103) and an upper tank body (104); the drying tank (1) is used to provide a drying space for oxytetracycline hydrochloride; a heating component (2) is arranged on one side of the drying tank (1); the heating component (2) comprises a heater (201), a housing (202), a first fan (203), a filter element (204), an air inlet pipe (205) and a flow guide pipe (206); the heating component (2) is used to provide drying heat; a recovery component (3) is arranged on the other side of the drying tank (1); the recovery component (3) comprises an exhaust component (31), a filter component (32) and a cleaning component (33); the exhaust component (31) is used to form a negative pressure in the inner cavity of the drying tank (1) and to discharge hot air; the filter component (32) is used to filter the discharged hot air; and the cleaning component (33) is used to clean the filter component (32).

2. The oxytetracycline hydrochloride boiling drying device according to claim 1, characterized in that: The material bin (102) is installed on the top of the lower tank body (103), the drying bin (101) is installed on the top of the material bin (102), and the upper tank body (104) is installed on the top of the drying bin (101).

3. The oxytetracycline hydrochloride boiling drying device according to claim 1, characterized in that: The outer shell (202) is fixed to the top of the heater (201) and is connected to the air inlet end of the heater (201) through a pipeline; the first fan (203) is located on one side of the heater (201); and the two ends of the air inlet pipe (205) are respectively connected to the air outlet end of the first fan (203) and the outer shell (202).

4. The oxytetracycline hydrochloride boiling drying device according to claim 1, characterized in that: The filter element (204) is fixed to the inner cavity of the outer shell (202), and one end of the flow guide tube (206) is in communication with the inner cavity of the lower tank body (103).

5. The oxytetracycline hydrochloride boiling drying device according to claim 1, characterized in that: The air extraction component (31) comprises a second fan (311), an air outlet pipe (312), a circulation pipe (313) and a connecting pipe (314); one end of the circulation pipe (313) is connected to the air outlet end of the second fan (311); the other end of the circulation pipe (313) is connected to the housing (202); and one end of the air outlet pipe (312) is connected to the air inlet end of the second fan (311).

6. The oxytetracycline hydrochloride boiling drying device according to claim 5, characterized in that: The filter assembly (32) comprises a filter box (321), a collection hopper (322) and a filter screen (323); the filter screen (323) is fixed to the inner cavity of the filter box (321); the collection hopper (322) is fixed to the bottom of the filter box (321) and is in communication with the inner cavity of the filter box (321).

7. The oxytetracycline hydrochloride boiling drying device according to claim 6, characterized in that: Both ends of the connecting pipe (314) are respectively connected to the inner cavity of the upper tank body (104) and the filter box (321), and the other end of the air outlet pipe (312) is connected to the inner cavity of the filter box (321).

8. The oxytetracycline hydrochloride boiling drying device according to claim 1, characterized in that: The cleaning assembly (33) comprises a servo motor (331), a transmission rod (332) and a scraper (333); the servo motor (331) is fixed to one side of the filter box (321); the scraper (333) is located on the surface of the filter screen (323); one end of the transmission rod (332) is fixedly connected to the scraper (333); the other end of the transmission rod (332) passes through the outside of the filter box (321) and is transmission-connected to the output shaft of the servo motor (331).

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