CN210729374U

CN210729374U - Pressurizing spraying feeding device

Info

Publication number: CN210729374U
Application number: CN201921474107.4U
Authority: CN
Inventors: 朱锋华; 文永安; 王静
Original assignee: Sichuan Mingxin Drug Industry Co ltd
Current assignee: Sichuan Mingxin Drug Industry Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-12
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to the technical field of pharmaceutical technology and discloses a pressurized spray feeding device, which comprises a liquid storage tank, an emulsification tank and a vacuum emulsification stirring device, wherein the vacuum emulsification stirring device is arranged in the middle of the emulsification tank, a pipeline is fixedly connected between the liquid storage tank and the emulsifying tank, a feed inlet is arranged on the emulsifying tank, a spray gun is movably arranged in the feed inlet, the top of the liquid storage tank and the side edge of the spray gun are both connected with a circulating pipe, a stop valve, a pneumatic pressure regulating valve and a digital flowmeter are arranged on the pipeline, in the pressurized spraying feeding device, the pneumatic pressure regulating valve can regulate the flow of the liquid medicine, the digital flowmeter is used for observing the flow of the liquid medicine, the flow of the liquid medicine is regulated by regulating the pressure in the pneumatic pressure regulating valve, further, the swaying atomization degree, the droplet size and the spray fan shape of the spray gun are adjusted, so that the liquid medicine can be uniformly dispersed in the paste matrix in a fine particle size.

Description

Pressurizing spraying feeding device

Technical Field

The utility model relates to a pharmacy technical field specifically is a pressurization spraying feeding device.

Background

The preparation process of the tacrolimus ointment is roughly as follows: the preparation of paste matrix and the addition of propylene carbonate solution containing main medicine. The propylene carbonate solution is usually added in the following two ways: 1) at a higher temperature, opening a stirring and homogenizing device of the paste preparation tank, adding the propylene carbonate solution containing the main drug at one time, and cooling; 2) at a lower temperature, starting a stirring and homogenizing device of the paste making tank, slowly adding (dropwise adding or uniformly adding by using a peristaltic pump and the like) a propylene carbonate solution containing the main drug, and cooling; the specific gravity of the paste matrix is about 0.85g/cm³About, the density of the propylene carbonate solution is about 1.2g/cm³On the left and right, the propylene carbonate solution is added too fast, so that the propylene carbonate liquid drops are not uniformly distributed/dispersed in the paste matrix (the liquid drops can settle), the content uniformity of the product is not good, and the curative effect of the product is influenced; the propylene carbonate solution is added too slowly, which affects the production efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pressurization spraying feeding device possesses advantages such as can evenly spray principal drug solution, has solved foretell problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressurization spraying feeding device, including the liquid storage pot, emulsification tank and vacuum emulsification agitating unit, vacuum emulsification agitating unit sets up in the emulsification tank middle part, fixedly connected with pipeline between liquid storage pot and the emulsification tank, the feed inlet has been seted up on the emulsification tank, movable mounting has the spray gun in the feed inlet, liquid storage tank deck portion all is connected with the runner pipe with the spray gun side, the runner pipe respectively with liquid storage pot and spray gun fixed connection, be provided with the stop valve on the pipeline, pneumatic pressure regulating valve and digital flowmeter, and the stop valve, pneumatic pressure regulating valve and digital flowmeter all with pipeline fixed connection, movable mounting has the speed limit piece in the spray gun, a plurality of circulation holes have been seted up to the equidistance on the speed limit piece, the speed limit piece sets up in the spray gun nozzle.

Preferably, one end of the pipeline is connected with the bottom of the liquid storage tank.

Preferably, the other end of the pipeline is fixedly connected with the spray gun.

Preferably, one end of the circulating pipe, which is not connected with the liquid storage tank and the spray gun, is fixedly connected with the air compression tank.

Preferably, the speed limiting block is an irregular cylinder.

Preferably, the bottom surface of the speed limiting block is the same as the shape of a spray nozzle of a spray gun.

(III) advantageous effects

Compared with the prior art, the utility model provides a pressurization spraying feeding device possesses following beneficial effect:

1. the pressurized spraying feeding device uses the air compression tank to conduct compressed air into the circulation pipe, the compressed air in the liquid storage tank can accelerate the flow speed of main drug solution in the liquid storage tank, the compressed air in the spray gun can change the main drug solution sprayed by the spray gun into uniform mist, paste matrix in the emulsifying tank can be more uniformly mixed with the main drug solution, the stop valve can stop the flow of the main drug solution in the liquid storage tank, after the paste matrix in the emulsifying tank and the main drug solution are mixed, the stop valve can be opened to stop the continuous spraying of the main drug solution in the liquid storage tank, so that the waste of the main drug solution is avoided, the pneumatic pressure regulating valve can regulate the flow of liquid medicine, the digital flowmeter is used for observing the flow of the liquid medicine, the flow of the liquid medicine is regulated by regulating the pressure in the pneumatic pressure regulating valve, and further the liquid medicine atomization degree of the spray gun, The size of the liquid drop and the size of the spraying fan, so that the liquid medicine can be uniformly dispersed in the paste matrix with fine particle size.

2. The pressurized spray feeding device can spray liquid drops with larger spraying force by the spray gun due to compressed air, thus, part of liquid drops can be stuck on the inner wall of the emulsifying tank and can not be directly absorbed and mixed by the paste matrix, the liquid drops of the liquid medicine are not easy to be uniformly distributed in the paste after settling along the tank wall, the originally-achieved purpose of the device is influenced, because of the compressed gas, the speed limiting block can be always arranged at an angle in the spray gun, the speed-limiting block can move synchronously even if the air pressure changes, and the speed-limiting block can lead the sprayed liquid drops to carry out certain speed reduction according to the length of the holes through which the liquid drops pass, the speed of spraying the liquid drops through the long holes is lower, and the speed of spraying the liquid through the short holes is higher, so that the paste matrix in the emulsifying tank can uniformly absorb the main medicine solution, and meanwhile, the liquid medicine is prevented from settling after standing on the inner wall of the emulsifying tank for a long time.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a schematic diagram of the structure of the speed limiting block of the present invention.

In the figure: the device comprises a liquid storage tank 1, an emulsifying tank 2, a vacuum emulsifying and stirring device 3, a pipeline 4, a spray gun 5, a stop valve 6, a pneumatic pressure regulating valve 7, a digital flowmeter 8 and a speed limiting block 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a pressurized spray feeding device comprises a liquid storage tank 1, an emulsifying tank 2 and a vacuum emulsification stirring device 3, wherein the vacuum emulsification stirring device 3 is disposed at the left side of the emulsifying tank 2, the connection mode between the vacuum emulsification stirring device 3 and the emulsifying tank 2 is the same as that of the same device in the prior art, and the vacuum emulsification stirring device 3 is the same as that of the same device in the prior art, which will not be described herein, a pipeline 4 is fixedly connected between the liquid storage tank 1 and the emulsifying tank 2, a feed inlet is disposed on the emulsifying tank 2, a spray gun 5 is movably mounted in the feed inlet, one end of the pipeline 4 is connected with the bottom of the liquid storage tank 1, the other end of the pipeline 4 is fixedly connected with the spray gun 5, flow pipes are connected with the top of the liquid storage tank 1 and the side of the spray gun 5, the flow pipes are respectively fixedly connected with the liquid storage tank 1 and the spray gun 5, and one, the air compression tank can conduct compressed air to the circulation pipe, the compressed air in the liquid storage tank 1 can accelerate the flow speed of the main drug solution in the liquid storage tank 1, the compressed air in the spray gun 5 can change the main drug solution sprayed by the spray gun 5 into uniform mist, so that the ointment matrix in the emulsification tank 2 is more uniformly mixed with the main drug solution, the pipeline 4 is provided with a stop valve 6, a pneumatic pressure regulating valve 7 and a digital flowmeter 8, the stop valve 6, the pneumatic pressure regulating valve 7 and the digital flowmeter 8 are fixedly connected with the pipeline 4, the stop valve 6 can stop the flow of the main drug solution in the liquid storage tank 1, after the mixture of the main drug solution and the ointment matrix in the emulsification tank 2 is completed, the stop valve 6 can be opened to stop the continuous spraying of the main drug solution in the liquid storage tank 1, thereby avoiding the waste of the main drug solution, and the pneumatic pressure regulating valve 7 can regulate the, the digital flow meter 8 is used for observing the flow of the liquid medicine, the flow of the liquid medicine is adjusted by adjusting the pressure in the pneumatic pressure adjusting valve 7, and further the swaying atomization degree, the particle size of liquid drops and the size of a spraying fan shape of the spray gun 5 are adjusted, so that the liquid medicine can be uniformly dispersed in the paste matrix in a very fine particle size, a speed limiting block 9 is movably arranged in the spray gun 5, the speed limiting block 9 is an irregular cylinder, the specific shape is shown in figure 2, the bottom surface of the speed limiting block 9 is the same as the shape of a spraying opening of the spray gun 5, a plurality of circulation holes are equidistantly formed in the speed limiting block 9, the speed limiting block 9 is arranged in the spraying opening of the spray gun 5, the size of the speed limiting block 9 is nine times of the size of the inner cavity of the spray gun 5, when in use, the spray gun 5 can spray liquid drops with larger spraying force due to compressed air, so that part of, the liquid drops of the liquid medicine are not easy to be uniformly distributed in the paste body after settling along the wall of the emulsifying tank 2, the purpose which is originally achieved by the device is influenced, because of the compressed gas, the speed limiting block 9 can be always arranged at an angle in the spray gun 5, even if the air pressure changes, the speed limiting block 9 can move synchronously, meanwhile, the speed limiting block 9 can enable the liquid drops to be sprayed to be decelerated to a certain degree according to the length of holes through which the liquid drops pass, the spraying speed of the liquid drops passing through the long holes is lower, and the spraying speed of the liquid passing through the short holes is higher, so that the paste body matrix in the emulsifying tank 2 can uniformly absorb the main medicine solution, and meanwhile, the settling of the liquid medicine standing on the inner wall of the emulsifying tank 2 for a long time is also avoided.

When in use, the utility model is used,

in the first step, the starting device operates.

Secondly, the air pressure tank can conduct compressed air into the circulation pipe, the compressed air in the liquid storage tank 1 can accelerate the flow speed of the main drug solution in the liquid storage tank 1, the compressed air in the spray gun 5 can change the main drug solution sprayed by the spray gun 5 into uniform mist, the ointment matrix in the emulsification tank 2 can be more uniformly mixed with the main drug solution, the stop valve 6 can stop the flow of the main drug solution in the liquid storage tank 1, after the ointment matrix in the emulsification tank 2 is mixed with the main drug solution, the stop valve 6 can be opened to stop the continuous spraying of the main drug solution in the liquid storage tank 1, so that the waste of the main drug solution is avoided, the pneumatic pressure regulating valve 7 can regulate the flow of the liquid medicine, the digital flowmeter 8 is used for observing the flow of the liquid medicine, the flow of the liquid medicine is regulated by regulating the pressure in the pneumatic pressure regulating valve 7, and the swaying atomization degree of the spray gun 5 is further, The size of the liquid drop and the size of the spraying fan, so that the liquid medicine can be uniformly dispersed in the paste matrix with fine particle size.

Thirdly, the spray gun 5 can spray liquid drops with larger spraying force due to compressed air, so that part of the liquid drops can be stuck on the inner wall of the emulsifying tank 2 and can not be directly absorbed and mixed by the paste matrix, the liquid drops of the liquid medicine are not easy to be uniformly distributed in the paste body after the liquid drops settle along the wall of the tank, the originally-achieved purpose of the device is influenced, because of the compressed gas, the speed-limiting block 9 can be set at an angle within the lance 5 at all times, even if the air pressure changes, the speed-limiting block 9 can follow the air pressure to move synchronously, and meanwhile, the speed-limiting block 9 can lead the liquid drops to be sprayed to carry out certain speed reduction according to the length of the holes through which the liquid drops pass, the speed of spraying the liquid drops through the long holes is lower, and the speed of spraying the liquid through the short holes is higher, so that the paste matrix in the emulsifying tank 2 can uniformly absorb the main medicine solution, and meanwhile, the liquid medicine is prevented from settling on the inner wall of the emulsifying tank 2 for a long time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressurization spraying feeding device, includes liquid storage pot (1), emulsification tank (2) and vacuum emulsification agitating unit (3), and vacuum emulsification agitating unit (3) set up in emulsification tank (2) left side, its characterized in that: fixedly connected with pipeline (4) between liquid storage pot (1) and emulsification tank (2), seted up the feed inlet on emulsification tank (2), movable mounting has spray gun (5) in the feed inlet, and liquid storage pot (1) top all is connected with the runner pipe with spray gun (5) side, is provided with stop valve (6), pneumatic pressure regulating valve (7) and digital flowmeter (8) on pipeline (4), and stop valve (6), pneumatic pressure regulating valve (7) and digital flowmeter (8) all with pipeline (4) fixed connection.

2. A pressurized spray charging device as claimed in claim 1, wherein: one end of the pipeline (4) is connected with the bottom of the liquid storage tank (1), and the other end of the pipeline (4) is fixedly connected with the spray gun (5).

3. A pressurized spray charging device as claimed in claim 1, wherein: the circulation pipe is respectively fixedly connected with the liquid storage tank (1) and the spray gun (5), and one end of the circulation pipe, which is not connected with the liquid storage tank (1) and the spray gun (5), is fixedly connected with the air compression tank.

4. A pressurized spray charging device as claimed in claim 1, wherein: the speed limiting block (9) is movably mounted in the spray gun (5), the speed limiting block (9) is an irregular cylinder, and the bottom surface of the speed limiting block (9) is the same as the shape of a spraying opening of the spray gun (5).

5. A pressurized spray charging device as claimed in claim 4, wherein: a plurality of circulation holes are equidistantly formed in the speed limiting block (9), the speed limiting block (9) is arranged in a spray opening of the spray gun (5), and the size of the speed limiting block (9) is nine times of the size of an inner cavity of the spray gun (5).