CN210252011U

CN210252011U - Mixing and preparing equipment for paste

Info

Publication number: CN210252011U
Application number: CN201920983927.XU
Authority: CN
Inventors: 王凯; 吴强; 吴桂英; 蒙宗武
Original assignee: Foshan Nanhai Eastern Along Pharmaceutical Co ltd
Current assignee: Foshan Nanhai Eastern Along Pharmaceutical Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-07
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to a mixed preparation equipment of paste, including agitator tank and gas conveying device, the agitator tank has the inner chamber, the inner wall of agitator tank is equipped with the intermediate layer, the intermediate layer with be formed with well cavity between the inner wall, the intermediate layer is equipped with a plurality of gas pockets, the agitator tank still is equipped with air inlet and gas outlet, the air inlet via in proper order well cavity reaches the gas pocket and with the inner chamber intercommunication, the gas outlet with the inner chamber directly communicates, gas conveying device's inlet end with the gas outlet intercommunication, gas conveying device's the end of giving vent to anger with the air inlet intercommunication. The utility model discloses a mixed equipment of preparing of paste can prevent effectively that the paste from gluing the wall under the condition that does not influence the paste performance and do not shorten mixed equipment life of preparing, promotes the mixing homogeneity of paste.

Description

Mixing and preparing equipment for paste

Technical Field

The utility model relates to a medicine production field especially relates to a mixed preparation equipment of paste.

Background

In the field of pharmaceutical production, the formulation of ointments (e.g. ointments, creams) is often involved, which in turn requires the use of mixing and formulation equipment. Traditional mixing preparation equipment adopts mechanical agitator tank to stir the paste mostly, because paste viscosity is great itself, can take place the phenomenon that the paste glues the wall usually, and the paste of adhesion in jar internal wall can't participate in the stirring and mixes, leads to the paste to mix inhomogeneous.

In the prior art, a stirring scraper is usually arranged in a tank body of a stirring tank, and paste adhered to the inner wall of the tank body is mechanically scraped by the stirring scraper. High temperature is generated due to friction between the stirring scraper and the inner wall of the tank body, so that the performance of a paste product is influenced; and the long-term use can lead to the inner wall of the tank body to be seriously abraded, and the service life of the mixing and preparing equipment is shortened.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a paste mixing and dispensing device, which can effectively prevent the paste from sticking to the wall and improve the mixing uniformity of the paste without affecting the paste performance and shortening the service life of the mixing and dispensing device.

The utility model provides a mixed preparation equipment of paste, includes agitator tank and gas conveying device, the agitator tank has the inner chamber, the inner wall of agitator tank is equipped with the intermediate layer, the intermediate layer with be formed with well cavity between the inner wall, the intermediate layer is equipped with a plurality of gas pockets, the agitator tank still is equipped with air inlet and gas outlet, the air inlet via in proper order well cavity reaches the gas pocket and with the inner chamber intercommunication, the gas outlet with the inner chamber directly communicates, gas conveying device's inlet end with the gas outlet intercommunication, gas conveying device's the end of giving vent to anger with the air inlet intercommunication.

According to the mixing configuration equipment for the paste, in the process of stirring and mixing the paste in the stirring tank, the gas in the inner cavity can be pumped out from the gas outlet through the gas conveying device, micro negative pressure circulation is formed in the inner cavity, and the gas flows back to the inner cavity after sequentially passing through the gas inlet, the hollow cavity and the gas hole. In the gas circulation process, gas is released through the air holes of the interlayer, and the paste adhered to the interlayer can be swept to be thrown out and participate in mixing, so that the paste can be effectively prevented from being adhered to the wall, and the mixing uniformity of the paste is improved. Meanwhile, the gas is adopted for sweeping, so that the performance of the paste is not influenced by friction heating, the inner wall of the stirring tank is not abraded, and the service life of the mixing configuration equipment of the paste can be well ensured.

In one embodiment, the gas conveying device comprises a gas compressor, a first conveying pipeline and a second conveying pipeline, wherein one end of the first conveying pipeline is communicated with the gas outlet, the other end of the first conveying pipeline is communicated with the gas inlet end of the gas compressor, one end of the second conveying pipeline is communicated with the gas outlet end of the gas compressor, and the other end of the second conveying pipeline is communicated with the gas inlet.

In one embodiment, the mixing and dispensing equipment for the paste further comprises a gas filter, and the gas filter is arranged on the first conveying pipeline and/or the second conveying pipeline.

In one embodiment, the mixing and preparing device for the paste further comprises a pulse gas storage device, a gas inlet end of the pulse gas storage device is communicated with a gas outlet end of the gas conveying device, a gas outlet end of the pulse gas storage device is communicated with the gas inlet, and the pulse gas storage device is used for pressurizing gas output by the gas conveying device and then jetting the pressurized gas to the gas inlet in a pulse mode.

In one embodiment, the pulse gas storage device is communicated with the gas inlet through a third conveying pipeline, a switch valve is arranged on the third conveying pipeline, a one-way valve is further arranged at one end, close to the gas inlet, of the third conveying pipeline, and the one-way valve is used for opening and closing the gas inlet.

In one embodiment, the bottom and the side of the stirring tank are respectively provided with a plurality of air inlets, the pulse air storage device is respectively communicated with the plurality of air inlets in a one-to-one correspondence manner through a plurality of third conveying pipelines, and each third conveying pipeline is provided with the switch valve and the one-way valve.

In one embodiment, the mixing and dispensing equipment for paste further comprises a gas cooling device, and the gas cooling device is arranged between the gas conveying device and the gas inlet.

In one embodiment, the mixing and preparing equipment for the paste further comprises an air supply device, and the air supply device is used for supplying inert gas to the gas delivery device and/or the stirring tank.

In one embodiment, the stirring tank is further provided with a temperature detection device for detecting the temperature in the inner cavity.

In one embodiment, the stirring tank is further provided with a pressure detection device for detecting the pressure in the inner cavity.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a paste mixing and dispensing apparatus according to the present invention;

FIG. 2 is a schematic structural view of a second embodiment of a paste mixing and dispensing apparatus;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

10. The device comprises a stirring tank, 101, an inner cavity, 11, an interlayer, 111, an air hole, 102, a hollow cavity, 103, an air inlet, 104, an air outlet, 12, a tank body, 13, a stirring paddle, 14, a driving piece, 15, a feeding valve, 16, a discharging valve, 17, a temperature detection device, 18, a pressure detection device, 20, a gas compressor, 21, a first conveying pipeline, 22, a second conveying pipeline, 23, a third conveying pipeline, 30, a gas filter, 40, a pulse gas storage device, 50, a one-way valve, 51, a valve cap, 52, an elastic piece, 53, a valve core, 60, a switch valve, 70, a gas cooling device, 80 and a gas supplementing device.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In the present invention, the terms "first", "second" and "third" do not denote any particular quantity or order, but are merely used to distinguish names.

Referring to fig. 1 to 3, a mixing and dispensing apparatus for paste includes a stirring tank 10 and a gas delivery device, wherein the stirring tank 10 has an inner cavity 101. Optionally, the cavity 101 may be used to contain paste materials and inert gases. The inner wall of agitator tank 10 is equipped with intermediate layer 11, is formed with well cavity 102 between intermediate layer 11 and the inner wall, and intermediate layer 11 is equipped with a plurality of gas pockets 111, and agitator tank 10 still is equipped with air inlet 103 and gas outlet 104, and air inlet 103 communicates with inner chamber 101 through well cavity 102 and gas pocket 111 in proper order, and gas outlet 104 directly communicates with inner chamber 101, and the inlet end and the gas outlet 104 of gas conveying device communicate, and the end and the air inlet 103 of giving vent to anger of gas conveying device communicate.

Specifically, as shown in fig. 1, the stirring tank 10 includes a tank body 12, a stirring paddle 13 and a driving member 14, the bottom of the tank body 12 is provided with support legs, the top of the tank body 12 is provided with a feeding pipe, the feeding pipe is provided with a feeding valve 15, the bottom of the tank body 12 is provided with a discharging pipe, the discharging pipe is provided with a discharging valve 16, the stirring paddle 13 is arranged in the tank body 12, and a gap is formed between the stirring paddle 13 and the interlayer 11, so that mechanical scraping is not generated. The driving part 14 is arranged at the top of the tank 12 and used for driving the stirring paddle 13 to rotate, and the driving part 14 can be specifically a motor, a rotary cylinder or a rotary oil cylinder and the like. The gas outlet 104 is arranged at the upper end of the stirring tank 10, the gas inlet 103 is arranged at the part of the stirring tank 10 corresponding to the interlayer 11, and the gas conveying device is connected between the gas inlet 103 and the gas outlet 104. Wherein, the bottom of agitator tank 10 and the internal wall face of lateral part can be located to intermediate layer 11, is equipped with a plurality of small gas pockets 111 on the intermediate layer 11, and the diameter of gas pocket 111 can set up to 3um ~ 8um, preferably, can set up to 5um to guarantee that the air current that blows off from gas pocket 111 has great speed, thereby can play better pressure to the paste and sweep the effect.

In the process of paste mixing and preparation, the feeding valve 15 is opened firstly, paste materials can enter the tank body 12 through the feeding pipe, the feeding valve 15 is closed after the paste materials are finished, and the driving piece 14 is started to drive the stirring paddle 13 to rotate so as to stir and mix the paste in the tank body 12; generally, the preparation process of the paste needs to be carried out in an inert gas, so that a certain amount of inert gas is introduced into the stirring tank 10 in advance; in the process of mixing the paste, the gas conveying device can be synchronously started to blow out inert gas from the gas holes 111 in the interlayer 11 to perform pressure blowing on the paste, so that the paste can be thrown out at a high speed to participate in mixing, on one hand, the paste can be prevented from being adhered to the wall, on the other hand, the effect of assisting in stirring and mixing can be achieved, the uniformity of mixing the paste is effectively ensured, no influence is generated on the performance of the paste, and the discharge valve 16 is opened after the uniform mixing, so that the paste is output from the discharge pipe.

In the process of stirring and mixing the paste in the stirring tank 10, the gas in the inner cavity 101 can be pumped out from the gas outlet 104 through the gas conveying device, micro-negative pressure circulation is formed in the inner cavity 101, and the gas flows back to the inner cavity 101 through the gas inlet 103, the hollow cavity 102 and the gas hole 111 in sequence. In the gas circulation process, gas is released through the air holes 111 of the interlayer 11, and the paste adhered to the interlayer 11 can be swept to be thrown out and mixed, so that the paste can be effectively prevented from being adhered to the wall, the mixing uniformity of the paste is improved, and the energy consumption is low. Compare in traditional adoption stirring scraper blade carries out the mode that mechanical type struck off, the utility model discloses a gas sweeps the paste and clears away, can not exert an influence to the performance of paste, can not lead to the inner wall of agitator tank 10 yet to produce wearing and tearing, can guarantee the life of the mixed configuration equipment of paste well to owing to saved stirring scraper blade and relevant mounting structure with it, thereby can simplify agitator tank 10's structure, the agitator tank 10's of being convenient for washing and maintenance.

In one embodiment, the gas delivery device includes a gas compressor 20, a first delivery pipe 21 and a second delivery pipe 22, wherein one end of the first delivery pipe 21 is communicated with the gas outlet 104, the other end is communicated with the gas inlet of the gas compressor 20, one end of the second delivery pipe 22 is communicated with the gas outlet of the gas compressor 20, and the other end is communicated with the gas inlet 103. The gas compressor 20 is started, gas in the stirring tank 10 can be pumped out from the gas outlet 104 through the first conveying pipeline 21, certain negative pressure is formed in the inner cavity 101 of the stirring tank 10, meanwhile, the gas compressor 20 can achieve a certain pressurization effect on the pumped gas, the pressurized gas can be conveyed to the gas inlet 103 from the second conveying pipeline 22 and finally sprayed out from the gas hole 111 at a high speed, a good purging effect is achieved, and the mixing uniformity of the paste can be further improved. The first conveying pipeline 21 and the second conveying pipeline 22 can be made of sanitary stainless steel pipes. In addition, an on-off valve 60, such as a pneumatic solenoid ball valve, may be provided on the first conveying pipe 21 and/or the second conveying pipe 22 to control the opening and closing of the first conveying pipe 21 and the second conveying pipe 22.

In a second embodiment, referring to fig. 2, the paste mixing and dispensing apparatus further includes a gas filter 30, and the gas filter 30 is disposed on the first delivery pipe 21 and/or the second delivery pipe 22. By arranging the gas filter 30 on the first conveying pipeline 21, the gas extracted from the stirring tank 10 can be filtered, and large-particle substances are prevented from being extracted from the gas outlet 104 and directly entering the gas conveying device, so that the performance of the gas conveying device is influenced, and the working stability of the gas conveying device is ensured. By arranging the gas filter 30 on the second conveying pipeline 22, gas can be filtered and purified before entering the stirring tank 10, and impurities brought out from the gas conveying device are prevented from directly entering the stirring tank 10 and affecting the quality of the paste in the stirring tank 10.

Further, the paste mixing and preparing device further comprises a pulse gas storage device 40, wherein the gas inlet end of the pulse gas storage device 40 is communicated with the gas outlet end of the gas conveying device, the gas outlet end of the pulse gas storage device 40 is communicated with the gas inlet 103, and the pulse gas storage device 40 is used for pressurizing the gas output by the gas conveying device and then spraying the gas to the gas inlet 103 in a pulse mode.

Specifically, the pulse gas storage device 40 includes a gas storage cavity and a pulse controller, the gas conveying device can convey the gas in the stirring tank 10 into the gas storage cavity for storage and pressurization after pumping out the gas, and the pulse time interval is set by the pulse controller, wherein the pulse time interval can be set according to the fluid performance of the mixed paste, so that the inert gas with certain pressure is sprayed out at high speed in the best time, so that the paste sticking to the wall can be thrown out instantly to participate in mixing, thereby further improving the mixing efficiency and mixing uniformity, and reducing the energy consumption. In addition, through research and observation on the paste, the proper pulse interval time is set, so that most of the paste can be prevented from entering the hollow cavity 102 from the air hole 111.

Further, the pulse gas storage device 40 is communicated with the gas inlet 103 through a third conveying pipeline 23, a switch valve 60 is arranged on the third conveying pipeline 23, a check valve 50 is further arranged at one end of the third conveying pipeline 23 close to the gas inlet 103, and the check valve 50 is used for opening and closing the gas inlet 103.

Specifically, the on-off valve 60 may be a solenoid valve, and the opening and closing of the third delivery pipe 23 may be controlled by the on-off valve 60, and the check valve 50 is provided in the third delivery pipe for controlling the opening and closing of the air inlet 103. As shown in fig. 3, the check valve 50 includes a bonnet 51, an elastic member 52, and a valve body 53, and the elastic member 52 abuts against the bonnet 51 to cause the bonnet 51 to block the gas inlet 103 when the gas purge is not performed. When the pulse gas storage device 40 starts to operate, the switch valve 60 is opened, and gas with a certain pressure flows to the gas inlet 103, at this time, the gas overcomes the pressure of the elastic member 52 to push the valve cap 51 open to one side of the hollow cavity 102, the gas inlet 103 is opened, and the gas can enter the hollow cavity 102 and be ejected from the gas hole 111. When the on-off valve 60 is closed, the pressure in the third delivery pipeline 23 is reduced, and the elastic element 52 can push the valve cap 51 to reset to block the air inlet 103 again, so that the paste can be effectively prevented from flowing backwards.

Further, referring to fig. 2, the bottom and the side of the stirring tank 10 are respectively provided with a plurality of air inlets 103, the pulse air storage device 40 is respectively communicated with the plurality of air inlets 103 through a plurality of third conveying pipelines 23 in a one-to-one correspondence manner, and each third conveying pipeline 23 is provided with a switch valve 60 and a check valve 50. Through being equipped with a plurality of air inlets 103 respectively in the bottom and the lateral part of agitator tank 10, can guarantee the homogeneity that the gas sweeps regional distribution for the paste homoenergetic of adhesion in agitator tank 10 lateral part and bottom sweeps effectively, thereby further guarantees to sweep the effect, promotes the mixing uniformity of paste. And each third delivery pipeline 23 is independently controlled by the switch valve 60, so that even if one air inlet 103 is blocked, the corresponding switch valve 60 can be closed in time, and the other switch valves 60 can be kept in an open state to ensure the smooth operation of the purging operation.

In addition, for some heat-sensitive pastes, the paste mixing and preparing equipment is sensitive to temperature, and in order to ensure the quality of the paste, the paste mixing and preparing equipment further comprises a gas cooling device 70, and the gas cooling device 70 is arranged between the gas conveying device and the gas inlet 103. Specifically, the gas cooling device 70 may be a gas cooling and drying machine, and the gas output from the gas delivery device is cooled by the gas cooling device 70, so that the temperature of the gas entering the inner cavity 101 from the gas inlet 103 is low, and the heat-sensitive paste can be well protected, and the quality of the paste can be guaranteed.

Further, the mixing and preparing equipment for the paste further comprises an air supply device 80, and the air supply device 80 is used for supplying inert gas to the gas delivery device and/or the stirring tank 10. Specifically, the gas supplementing device 80 may be a gas supplementing tank filled with inert gas, and since a certain loss occurs during the gas circulation process, the inert gas can be timely supplemented into the gas conveying device and/or the stirring tank 10 through the gas supplementing device 80, so as to ensure the normal operation of the whole gas purging process.

In addition, still be equipped with the temperature-detecting device 17 that is arranged in carrying out the detection to the temperature in the inner chamber 101 on the agitator tank 10, through the temperature in the temperature-detecting device 17 real time monitoring agitator tank 10 to ensure that the mixing temperature of paste is in normal production within range, can effectively guarantee the stability of quality of paste.

Still can be equipped with the pressure measurement device 18 that is arranged in carrying out the detection to the pressure in the inner chamber 101 on the agitator tank 10, after gas delivery device starts, produce little negative pressure in the agitator tank 10, carry out real-time detection through pressure measurement device 18 to the pressure in the inner chamber 101 to operating personnel controls the inside condition of agitator tank 10 in real time and carries out corresponding operation, thereby guarantees the job stabilization nature of the mixed configuration equipment of whole cream.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a mixed preparation equipment of paste, its characterized in that, includes agitator tank and gas conveying device, the agitator tank has the inner chamber, the inner wall of agitator tank is equipped with the intermediate layer, the intermediate layer with be formed with well cavity between the inner wall, the intermediate layer is equipped with a plurality of gas pockets, the agitator tank still is equipped with air inlet and gas outlet, the air inlet via in proper order well cavity reaches the gas pocket and with the inner chamber intercommunication, the gas outlet with the inner chamber directly communicates, gas conveying device's inlet end with the gas outlet intercommunication, gas conveying device's the end of giving vent to anger with the air inlet intercommunication.

2. The mixing and preparing apparatus of a paste according to claim 1, wherein the gas delivery device comprises a gas compressor, a first delivery pipe and a second delivery pipe, one end of the first delivery pipe is communicated with the gas outlet, the other end is communicated with the gas inlet of the gas compressor, one end of the second delivery pipe is communicated with the gas outlet of the gas compressor, and the other end is communicated with the gas inlet.

3. The mixing and dispensing apparatus of a paste according to claim 2, further comprising a gas filter provided on the first delivery pipe and/or the second delivery pipe.

4. The mixing and dispensing device of paste according to claim 1, further comprising a pulse gas storage device, wherein a gas inlet end of the pulse gas storage device is communicated with a gas outlet end of the gas delivery device, a gas outlet end of the pulse gas storage device is communicated with the gas inlet, and the pulse gas storage device is configured to pressurize the gas output from the gas delivery device and then inject the gas into the gas inlet in a pulse manner.

5. The mixing and dispensing device of paste according to claim 4, wherein the pulse air storage device is communicated with the air inlet through a third delivery pipe, the third delivery pipe is provided with a switch valve, and one end of the third delivery pipe close to the air inlet is further provided with a one-way valve for opening and closing the air inlet.

6. The mixing and preparing apparatus of a paste according to claim 5, wherein a plurality of said air inlets are provided at the bottom and the side of said stirring tank, respectively, said pulse air storage device is in one-to-one correspondence communication with said plurality of said air inlets through a plurality of said third delivery pipes, respectively, each of said third delivery pipes being provided with said on-off valve and said one-way valve.

7. The mixing and dispensing apparatus of a paste according to claim 1, further comprising a gas cooling device provided between the gas delivery device and the gas inlet.

8. The mixing and dispensing apparatus of paste according to claim 1, further comprising an air supply device for supplying an inert gas to the gas delivery device and/or the stirring tank.

9. The mixing and preparing device of the paste according to any one of claims 1 to 8, wherein a temperature detecting means for detecting the temperature in the inner cavity is further provided on the stirring tank.

10. The mixing and preparing device of the paste according to any one of claims 1 to 8, wherein the stirring tank is further provided with a pressure detection device for detecting the pressure in the inner cavity.