CN213149556U - Novel methanol storage tank and methanol supply and output device for manufacturing medicines - Google Patents
Novel methanol storage tank and methanol supply and output device for manufacturing medicines Download PDFInfo
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- CN213149556U CN213149556U CN202022394204.1U CN202022394204U CN213149556U CN 213149556 U CN213149556 U CN 213149556U CN 202022394204 U CN202022394204 U CN 202022394204U CN 213149556 U CN213149556 U CN 213149556U
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Abstract
The utility model provides a novel methanol storage tank and a methanol supply and output device for manufacturing medicines; wherein the methanol storage tank comprises a tank body and a liquid level detection pipe arranged on the outer side of the tank body; the tank body is provided with an accommodating cavity; the liquid level detection pipe is provided with a liquid level detection channel; a floater is arranged in the liquid level detection channel; the floater comprises an upper circular table part in a circular table shape and a lower circular table part in an inverted circular table shape; the lower circular table part is spliced below the upper circular table part, so that the middle part of the appearance of the floater is large, and the two ends of the floater are small; a cylindrical cavity is arranged inside the floater; the middle shaft of the cylindrical cavity and the middle shaft of the floater are coaxially arranged; the liquid level detection pipe is provided with at least one liquid level sensor for detecting the liquid level; the liquid level sensor is in signal connection with the controller. The utility model discloses can avoid appearing the face contact between float and the liquid level detection passageway wall, reduce the friction of float to the liquid level detection passageway wall, avoid causing the liquid level detection passageway wall that adheres to and lead to detecting the liquid level inefficacy, improve reliability and stability.
Description
Technical Field
The utility model relates to a drug manufacturing equipment technical field, more specifically say, relate to a novel methanol storage tank and methyl alcohol supply and output device that manufacturing medicine was used.
Background
Methanol is a common important auxiliary raw material which is usually used by pharmaceutical manufacturers to manufacture various anti-infection and anti-inflammation raw material medicines (sulfonamides and macrolides), and the methanol is used as a condensing agent, a strong basic catalyst and other media to prepare various anti-infection and anti-inflammation raw material medicines, and the content of the methanol added in the manufacturing process of the raw material medicines can have important influence on the medicine property and the efficacy of the raw material medicines.
In order to ensure that the content of the methanol added into the medicine raw material meets a certain precision requirement, certain precision control on the methanol addition is required. At the present stage, a methanol storage tank is adopted to assist methanol addition: methanol is first supplied by injecting methanol into a methanol storage tank, and then methanol is discharged from the methanol storage tank to be added to the raw material for medicines. The methanol storage tank is used for detecting the liquid level condition of methanol by arranging the floater and the sensor in the detection pipeline, and the control system is used for obtaining and controlling the information such as the storage capacity and the output quantity of the methanol through the liquid level change of the methanol, so that the required output quantity of the methanol in the methanol storage tank and the required output quantity of the methanol added into the medical raw materials in the manufacturing process of the medical raw materials is ensured, and the property and the effect of the medical raw materials are ensured.
In the existing methanol storage tank, surface friction exists between the existing floater and the wall of a detection pipeline of the methanol storage tank, and the methanol has viscosity; therefore, the floater floats on the methanol liquid level and is occasionally adhered to the wall of the detection pipeline of the methanol storage tank; if the floater is adhered to the wall of the detection pipeline, the detection of the floater is invalid, the control system cannot timely know the liquid level condition of the methanol storage tank, the phenomenon that too much methanol is injected into the methanol storage tank and overflows, and the excessive methanol is output when the methanol storage tank outputs the methanol, so that the medicine material proportion is improper, the medicine property and the efficacy of medicine raw materials are influenced, the increase of defective products and the like are caused, and the reliable work of the system cannot be ensured.
Therefore, it is desired to design a methanol storage tank and a methanol supply and output device that can prevent the float from adhering to the wall of the sensing pipe, so as to provide a reliable degree of operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings in the prior art and provide a novel methanol storage tank and a methanol supply and output device for manufacturing medicines; the utility model discloses improve the float structure, can avoid appearing the face contact between float and the liquid level detection passageway wall, reduce the friction of float to the liquid level detection passageway wall, avoid causing the liquid level detection passageway wall of sticking to and lead to detecting the liquid level inefficacy, improve reliability and stability.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel methanol storage tank that manufacturing medicine was used which characterized in that: comprises a tank body and a liquid level detection pipe arranged on the outer side of the tank body; the tank body is provided with a containing cavity for storing methanol; the liquid level detection pipe is provided with a liquid level detection channel which is communicated with the containing cavity to obtain the same liquid level; a floater is arranged in the liquid level detection channel; the floater comprises an upper circular table part in a circular table shape and a lower circular table part in an inverted circular table shape; the lower circular table part is spliced below the upper circular table part, so that the middle part of the appearance of the floater is large, and the two ends of the floater are small; a cylindrical cavity is arranged inside the floater; the middle shaft of the cylindrical cavity and the middle shaft of the floater are coaxially arranged; the liquid level detection pipe is provided with at least one liquid level sensor for detecting the liquid level; the liquid level sensor is in signal connection with the controller.
The floater of the methanol storage tank can vertically float on the liquid level and can float in the vertical direction along with the change of the liquid level; the floater has a large shape middle part and small two ends, so that surface contact between the floater and the liquid level detection channel wall can be avoided, friction of the floater to the liquid level detection channel wall can be reduced, liquid level detection failure caused by adhesion of the liquid level detection channel wall is avoided, and working reliability and stability are improved.
Preferably, the liquid level sensor is a magnetic flux sensor; the floater is a magnetic floater.
Preferably, the bottom of the lower circular table portion is provided with a magnet. The magnet is arranged at the lower part of the floater, so that the gravity of the lower part of the floater can be improved, the floater can more reliably float on the liquid level in an upright way, and the floater can float in the vertical direction along with the change of the liquid level.
Preferably, the liquid level detection tube is a glass tube.
A methanol supply and output device characterized by: comprises the novel methanol storage tank for manufacturing the medicine; the device also comprises a supply pump for controlling the supply amount of the methanol in the methanol storage tank; the liquid level sensor comprises a liquid level upper limit sensor for detecting the liquid level upper limit and a liquid level lower limit sensor for detecting the liquid level lower limit; the input end of the controller is respectively in signal connection with the upper liquid level limit sensor and the lower liquid level limit sensor, and the output end of the controller is in signal connection with the supply pump.
Preferably, the controller refers to a control circuit comprising an upper liquid level limit control circuit and a lower liquid level limit control circuit.
Preferably, the liquid level upper limit control circuit is formed by connecting a NE555 trigger I, a relay J1 connected with an output end of the NE555 trigger I and an upper limit peripheral circuit, an input end of the NE555 trigger I is in signal connection with the liquid level upper limit sensor, and the relay J1 is a normally closed contact; the liquid level lower limit control circuit is formed by connecting an NE555 trigger II, a relay J2 connected with the output end of the NE555 trigger II and a lower limit peripheral circuit, the input end of the NE555 trigger II is in signal connection with the liquid level lower limit sensor, and the relay J2 is a normally open contact.
Preferably, the supply pump is connected to a power supply via the main contact of switch KM 1; the attraction coils of the relay J1, the relay J2 and the switch KM1 are connected in series and then are connected with a power supply; the relay is connected in parallel with a self-locking circuit. The self-locking circuit can ensure that the supply pump can work normally when the relay J2 is disconnected.
The working principle of controlling the supply pump of the methanol storage tank is as follows: the float takes place corresponding vertical change at the methyl alcohol liquid level of liquid level detection pipe along with the change of methyl alcohol liquid level height in the methyl alcohol holding vessel, the utility model discloses the vertical position that accessible liquid level upper limit sensor and liquid level lower limit sensor detected the float changes, then the break-make work through controller control supply pump.
When the liquid level lower limit sensor detects a floater, namely the liquid level of methanol in the storage tank is at the lower limit liquid level, a relay J2 of a normally open contact is closed, a communication switch KM1 controls a supply pump to start and work, and a self-locking circuit connected with the relay J2 in parallel is also communicated through a switch KM 1; at this time, the float floats upward in the liquid level detection pipe as the methanol level in the storage tank rises. When the liquid level lower limit sensor and the liquid level upper limit sensor can not detect the floater, namely the methanol liquid level is between the upper limit liquid level and the lower limit liquid level, the relay J2 is disconnected, and the supply pump can be continuously started to work through the series connection of the relay J1 and the self-locking circuit because the relay J1 is a normally closed contact. When the liquid level upper limit sensor detects the float, namely the methanol liquid level in the storage tank is at the upper limit liquid level, the relay J1 of the normally closed contact is disconnected, and the supply pump is controlled to stop working. The control circuit can quickly, reliably and accurately measure the liquid level of the methanol in the methanol storage tank to automatically control the on-off of the supply pump, thereby ensuring that the sufficient methanol supply amount is ensured to improve the stability and reliability of the output work of the methanol storage tank.
The methanol supply and output device of the utility model has simple structure, strong universality, high liquid level measurement precision and high liquid level measurement stability and is suitable for the requirements of the pharmaceutical manufacturing industry; can measure methyl alcohol liquid level in the holding vessel fast, reliably and accurately and can effectively guarantee the validity of measurement to the realization is guaranteed to be added to the required content in the pharmaceutical raw materials as industrial chemicals 'methyl alcohol, and is guaranteed to have sufficient methyl alcohol supply volume in order to improve methyl alcohol holding vessel output job's stability and reliability, reduces the cost of maintenance of methyl alcohol holding vessel, prolongs the life of methyl alcohol holding vessel, is favorable to the use and the popularization of this controlling means in the pharmaceutical manufacturing trade.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
1. the methanol storage tank of the utility model can ensure that the floater vertically floats on the liquid level and can float in the vertical direction along with the change of the liquid level; the floater has a large middle part and small two ends, so that surface contact between the floater and the liquid level detection channel wall can be avoided, friction of the floater on the liquid level detection channel wall can be reduced, the liquid level detection failure caused by adhesion to the liquid level detection channel wall can be avoided, and the working reliability and stability can be improved;
2. the methanol supply and output device of the utility model has simple structure, strong universality, high liquid level measurement precision and high liquid level measurement stability and is suitable for the requirements of the pharmaceutical manufacturing industry; can measure methyl alcohol liquid level in the holding vessel fast, reliably and accurately and can effectively guarantee the validity of measurement to the realization is guaranteed to be added to the required content in the pharmaceutical raw materials as industrial chemicals 'methyl alcohol, and is guaranteed to have sufficient methyl alcohol supply volume in order to improve methyl alcohol holding vessel output job's stability and reliability, reduces the cost of maintenance of methyl alcohol holding vessel, prolongs the life of methyl alcohol holding vessel, is favorable to the use and the popularization of this controlling means in the pharmaceutical manufacturing trade.
Drawings
FIG. 1 is a schematic view of a methanol storage tank according to the present invention;
FIG. 2 is a schematic view of the structure of the float in the methanol storage tank of the present invention;
FIG. 3 is a schematic sectional view of a float in the methanol storage tank of the present invention;
FIG. 4 is a control circuit diagram of the methanol supply and output device of the present invention;
fig. 5 is a schematic circuit diagram of the methanol supply and output device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1 to 3, the novel methanol storage tank for manufacturing medicine of the present embodiment includes a tank body 1 and a liquid level detection tube 2 disposed outside the tank body 1; the liquid level detection pipe 2 preferably adopts a glass pipe, so that the liquid level inside the liquid level detection pipe can be conveniently and visually measured.
The tank body 1 is provided with a containing cavity for storing methanol; the liquid level detection pipe 2 is provided with a liquid level detection channel which is communicated with the containing cavity to obtain the same liquid level; a floater 3 is arranged in the liquid level detection channel; the floater 3 comprises an upper circular table part 3.1 in a circular table shape and a lower circular table part 3.2 in an inverted circular table shape; the lower circular table part 3.2 is spliced below the upper circular table part 3.1, so that the middle part of the appearance of the floater 3 is large, and the two ends are small; the liquid level detection pipe 2 is provided with at least one liquid level sensor 4 for detecting the liquid level; the liquid level sensor 4 is in signal connection with the controller.
The utility model discloses methyl alcohol holding vessel, 3 appearance middle parts of float are big, and both ends are little, can avoid appearing the face contact between float 3 and the liquid level detection passageway wall, and reducible float 3 avoids causing the liquid level detection passageway wall that adheres to the friction of liquid level detection passageway wall and leads to detecting the liquid level inefficacy, improves and supplies with reliability and stability.
A cylindrical cavity 3.4 is arranged inside the floater 3; the central axis of the cylindrical cavity 3.4 is arranged coaxially with the central axis of the float 3. The float 3 of the design can vertically float on the liquid level and can float in the vertical direction along with the liquid level change, thereby improving the effectiveness of measuring the methanol liquid level change in the methanol storage tank.
The liquid level sensor 4 preferably employs a magnetic flux sensor; correspondingly, the float 3 is a magnetic float 3; the bottom of the lower circular table part 3.2 is provided with a magnet 3.3.
Example two
As shown in fig. 4 and 5, a methanol supply and output apparatus of the present embodiment includes a methanol storage tank for a new type of pharmaceutical product according to the first embodiment; the device also comprises a supply pump for controlling the supply amount of the methanol in the methanol storage tank; the liquid level sensor comprises a liquid level upper limit sensor for detecting the liquid level upper limit and a liquid level lower limit sensor for detecting the liquid level lower limit; the input end of the controller is respectively in signal connection with the upper liquid level limit sensor and the lower liquid level limit sensor, and the output end of the controller is in signal connection with the supply pump.
The controller is a control circuit comprising a liquid level upper limit control circuit and a liquid level lower limit control circuit.
The liquid level upper limit control circuit is formed by connecting a NE555 trigger I, a relay J1 connected with an output end of the NE555 trigger I and an upper limit peripheral circuit, wherein an input end of the NE555 trigger I is in signal connection with the liquid level upper limit sensor, and the relay J1 is a normally closed contact; the liquid level lower limit control circuit is composed of a NE555 trigger II, a relay J2 connected with the output end of the NE555 trigger II and a lower limit peripheral circuit, the input end of the NE555 trigger II is in signal connection with the liquid level lower limit sensor, and the relay J2 is a normally open contact.
The supply pump is connected with a power supply through a main contact of a switch KM 1; the attraction coils of the relay J1, the relay J2 and the switch KM1 are connected in series and then are connected with a power supply; the relay is connected in parallel with a self-locking circuit 5. The self-locking circuit can ensure that the supply pump can work normally when the relay J2 is disconnected.
The working principle of controlling the supply pump of the methanol storage tank is as follows: the float takes place corresponding vertical change at the methyl alcohol liquid level of liquid level detection pipe along with the change of methyl alcohol liquid level height in the methyl alcohol holding vessel, the utility model discloses the vertical position that accessible liquid level upper limit sensor and liquid level lower limit sensor detected the float changes, then the break-make work through controller control supply pump.
When the liquid level lower limit sensor detects a floater, namely the liquid level of methanol in the storage tank is at the lower limit liquid level, a relay J2 of a normally open contact is closed, a communication switch KM1 controls a supply pump to start and work, and a self-locking circuit connected with the relay J2 in parallel is also communicated through a switch KM 1; at this time, the float floats upward in the liquid level detection pipe as the methanol level in the storage tank rises. When the liquid level lower limit sensor and the liquid level upper limit sensor can not detect the floater, namely the methanol liquid level is between the upper limit liquid level and the lower limit liquid level, the relay J2 is disconnected, and the supply pump can be continuously started to work through the series connection of the relay J1 and the self-locking circuit because the relay J1 is a normally closed contact. When the liquid level upper limit sensor detects the float, namely the methanol liquid level in the storage tank is at the upper limit liquid level, the relay J1 of the normally closed contact is disconnected, and the supply pump is controlled to stop working. The control circuit can quickly, reliably and accurately measure the liquid level of the methanol in the methanol storage tank to automatically control the on-off of the supply pump, thereby ensuring that the sufficient methanol supply amount is ensured to improve the stability and reliability of the output work of the methanol storage tank.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. The utility model provides a novel methanol storage tank that manufacturing medicine was used which characterized in that: comprises a tank body and a liquid level detection pipe arranged on the outer side of the tank body; the tank body is provided with a containing cavity for storing methanol; the liquid level detection pipe is provided with a liquid level detection channel which is communicated with the containing cavity to obtain the same liquid level; a floater is arranged in the liquid level detection channel; the floater comprises an upper circular table part in a circular table shape and a lower circular table part in an inverted circular table shape; the lower circular table part is spliced below the upper circular table part, so that the middle part of the appearance of the floater is large, and the two ends of the floater are small; a cylindrical cavity is arranged inside the floater; the middle shaft of the cylindrical cavity and the middle shaft of the floater are coaxially arranged; the liquid level detection pipe is provided with at least one liquid level sensor for detecting the liquid level; the liquid level sensor is in signal connection with the controller.
2. The novel methanol storage tank for manufacturing pharmaceuticals according to claim 1, wherein: the liquid level sensor is a magnetic flux sensor; the floater is a magnetic floater.
3. The novel methanol storage tank for manufacturing medicines according to claim 2, characterized in that: and a magnet is arranged at the bottom of the lower circular table part.
4. The novel methanol storage tank for manufacturing pharmaceuticals according to claim 1, wherein: the liquid level detection tube is a glass tube.
5. A methanol supply and output device characterized by: comprising the novel methanol storage tank for manufacturing a pharmaceutical product according to any one of claims 1 to 4; the device also comprises a supply pump for controlling the supply amount of the methanol in the methanol storage tank; the liquid level sensor comprises a liquid level upper limit sensor for detecting the liquid level upper limit and a liquid level lower limit sensor for detecting the liquid level lower limit; the input end of the controller is respectively in signal connection with the upper liquid level limit sensor and the lower liquid level limit sensor, and the output end of the controller is in signal connection with the supply pump.
6. The methanol supply and output device according to claim 5, characterized in that: the controller is a control circuit comprising a liquid level upper limit control circuit and a liquid level lower limit control circuit.
7. The methanol supply and output device according to claim 6, characterized in that: the liquid level upper limit control circuit is formed by connecting a NE555 trigger I, a relay J1 connected with an output end of the NE555 trigger I and an upper limit peripheral circuit, wherein an input end of the NE555 trigger I is in signal connection with the liquid level upper limit sensor, and the relay J1 is a normally closed contact; the liquid level lower limit control circuit is formed by connecting an NE555 trigger II, a relay J2 connected with the output end of the NE555 trigger II and a lower limit peripheral circuit, the input end of the NE555 trigger II is in signal connection with the liquid level lower limit sensor, and the relay J2 is a normally open contact.
8. The methanol supply and output device according to claim 7, characterized in that: the supply pump is connected with a power supply through a main contact of a switch KM 1; the attraction coils of the relay J1, the relay J2 and the switch KM1 are connected in series and then are connected with a power supply; the relay is connected with a self-locking circuit in parallel;
the control circuit of the controller is connected with the supply pump through the self-locking circuit; the relay J2 is connected in series with the switch KM1 and then connected in parallel with the self-locking circuit with the switch KM1, one end of the relay J2 is connected in series with the relay J1 after being connected in parallel, the other end of the relay J2 is connected with the supply pump through the switch KM1, one end of the self-locking circuit is connected in series with the relay J1, and the other end of the self-locking circuit is connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394204.1U CN213149556U (en) | 2020-10-26 | 2020-10-26 | Novel methanol storage tank and methanol supply and output device for manufacturing medicines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394204.1U CN213149556U (en) | 2020-10-26 | 2020-10-26 | Novel methanol storage tank and methanol supply and output device for manufacturing medicines |
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| Publication Number | Publication Date |
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| CN213149556U true CN213149556U (en) | 2021-05-07 |
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| CN202022394204.1U Active CN213149556U (en) | 2020-10-26 | 2020-10-26 | Novel methanol storage tank and methanol supply and output device for manufacturing medicines |
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| CN (1) | CN213149556U (en) |
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