High-temperature high-pressure sterilization equipment for food and medicine
Technical Field
The invention relates to the field of food and medicine processing, in particular to high-temperature and high-pressure sterilization equipment for food and medicine.
Background
In the production process of food and medicine, sterilization treatment is required to be carried out in high-temperature and high-pressure equipment. In order to ensure the uniformity of heating and pressing of food and medicine, the container for holding food and medicine is generally required to rotate continuously. The application number 201520586985.0 discloses a rotary food sterilizing kettle, which comprises a kettle body and a rotating cage device for accommodating food and medicines, wherein the kettle body is fixed, the rotating cage device is arranged in the kettle body, the front end of the rotating cage device is supported by a supporting rotary wheel fixed in the kettle body, and the central position of the other end of the rotating cage device is connected with a rotary shaft driven by a motor. The device has the following problems that firstly, the inside of the pot body is in a high-temperature and high-pressure state, the supporting rotary wheel supporting the rotating cage device is easy to damage, once damaged, the production process is interrupted, the whole equipment needs to be stopped for maintenance, in the maintenance process, the maintenance space is relatively narrow because the supporting rotary wheel is arranged between the pot body and the rotating cage device, the operation is very inconvenient, the maintenance time is long, and the maintenance cost is relatively too high. Second, the one end of rotating cage device need drive through the pivot, and in actual production, the length of rotating cage device is around 4 meters, and the pivot drive needs the rotating cage device to guarantee very high axiality at the in-process of manufacturing, increases the manufacturing degree of difficulty. Meanwhile, the rotating cage device needs to continuously operate in a high-temperature and high-pressure environment in the pot body, the rotating cage device and the rotating shaft can deform to a certain extent, coaxiality required by a certain degree is maintained, and difficulty is high. Thirdly, the rotating cage device needs to be placed in the pot body, so that the effective use space of the pot body is affected to a certain extent, and the space utilization efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-temperature high-pressure sterilization equipment for the foods and the medicines, which can effectively reduce the occurrence frequency of faults of the supporting rotary wheel and is convenient for later overhaul and maintenance. Meanwhile, the requirement on coaxiality in the manufacturing process of the pot body is reduced, and the space use efficiency of the pot body is improved.
The invention is realized by the following technical scheme: the high-temperature high-pressure sterilization equipment for food and medicine comprises a pot body for accommodating food or medicine, wherein one end of the pot body in the axial direction is communicated with a pipeline for conveying media through a rotary joint, and the other end of the pot body in the axial direction is connected with an openable door cover; the pot body is placed on the symmetrically arranged supporting rotary wheels, the supporting rotary wheels are fixed on the supporting frame, a driving device is arranged on the supporting frame, and the driving device drives the pot body to rotate around the axis direction of the pot body.
According to a further improvement scheme, the support rotary wheel comprises a triangular bracket, a first end of the triangular bracket is rotatably connected with the support frame, the other two ends of the triangular bracket are respectively rotatably connected with riding wheels, and the pot body is placed between the riding wheels.
The invention further adopts the improvement that the rotary joint comprises a rotary body, one end of the pot body is fixedly connected with a buffer cylinder, and the rotary body is connected with the buffer cylinder through a flange; the radial outer side of the rotating body is provided with a cylinder fixing body through a bearing; the outer wall surface of the cylinder fixing body is provided with a plurality of through holes, and the pipeline is communicated with the pot body through the through holes.
The invention further adopts the improvement that the pipeline is communicated with the through hole, the inner wall of the cylinder fixing body is provided with an annular groove at the position corresponding to the through hole, and the width of the annular groove is larger than the aperture of the through hole; the rotary body is provided with a hole which is correspondingly communicated with the annular groove at the end connected with the pot body, and the hole is positioned in the inner diameter area of the buffer cylinder.
According to a further improvement scheme of the invention, a sealing filler is filled between the inner wall surface of the cylinder fixing body and the outer wall surface of the rotating body.
According to a further improvement scheme, the driving device comprises a driving motor, the driving motor is connected with the input end of a reduction gearbox, the output end of the reduction gearbox is connected with a belt wheel A, a belt wheel B is assembled on the pot body along the circumferential direction, the belt wheel A and the belt wheel B are connected through a belt, and the motor and the reduction gearbox are fixedly connected to a supporting frame.
According to a further improvement scheme, the driving device comprises a driving motor, the driving motor is connected with the input end of a reduction gearbox, the output end of the reduction gearbox is connected with a gear A, a gear B is assembled on the pot body along the circumferential direction, the gear A and the gear B are in meshed transmission, and the motor and the reduction gearbox are fixedly connected to a supporting frame.
According to a further improvement scheme, the driving device comprises a driving motor, the driving motor is connected with the input end of a reduction gearbox, the output end of the reduction gearbox is connected with a chain wheel A, a chain wheel B is assembled on the pot body along the circumferential direction, the chain wheel A and the chain wheel B are connected through a chain, and the motor and the reduction gearbox are fixedly connected to a supporting frame.
According to a further improvement scheme, the driving device comprises a driving motor, the driving motor is connected with the input end of a reduction gearbox, the output end of the reduction gearbox is connected with a friction roller A, a friction roller B is assembled on the pot body along the circumferential direction, the friction roller A drives the friction roller B to rotate, and the motor and the reduction gearbox are fixedly connected to a supporting frame.
Compared with the prior art, the invention has the following obvious advantages: 1. the rotating cage device in the pot body is canceled, and food or medicine is directly placed in the pot body, so that the space utilization efficiency of the pot body is improved. The pot body is supported on the support frame through the symmetrically arranged support rotary wheels, so that the requirement on coaxiality in the pot body manufacturing process is reduced. The supporting rotary wheel is supported outside the pot body, and does not need to move in a high-temperature and high-pressure environment, so that the fault occurrence frequency of the supporting rotary wheel is effectively reduced. The supporting rotary wheel arranged outside the pot body is also beneficial to the later-stage overhauling and maintenance.
2. In practical industrial application, the gravity center position of the whole pot body can be changed to a certain extent according to different foods or medicines, one end of a tripod in a supporting rotary wheel is rotatably connected with a supporting frame, and the other two ends of the tripod are rotatably connected with supporting wheels for lifting the pot body. The flexible supporting structure can be properly adjusted along with the change of the weight center position of the pot body. Meanwhile, in the use process of the pot body, the pot body is not required to have high coaxiality, and the manufacturing difficulty of the pot body is reduced to a certain extent.
3. The rotary body in the rotary joint moves along with the pot body in a rotary way, and the cylinder fixing body is fixedly connected with the pipeline, so that the pipeline is conveniently fixed and connected. The medium enters through the through hole on the cylinder fixing body, enters into the hole through the annular groove and finally enters into the pot body. Meanwhile, each through hole in the rotary joint corresponds to different holes through the annular groove, so that the performance of multiple paths is realized, and different media are separated to enter and exit.
4. Sealing filler is plugged between the inner wall surface of the cylinder fixing body and the outer wall surface of the rotating body, so that the sealing effect can be ensured.
5. The driving device can adopt belt driving, gear driving, chain wheel driving or friction wheel driving, and adopts a suitable driving mode according to the weight and rotating speed requirements of the pot body.
Drawings
Fig. 1 is a schematic front view of a pulley drive version of the present invention; FIG. 2 is a schematic cross-sectional view of the A-A plane; FIG. 3 is a schematic cross-sectional view of the rotary joint and pan body connection; FIG. 4 is a schematic front view of a gear drive version of the present invention; fig. 5 is a schematic front view of a friction wheel drive version of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 3, the present invention includes a pan body 1 for accommodating food or medicine, and one end of the pan body 1 in an axial direction communicates with a pipe 3 for conveying a medium through a rotary joint 2. The rotary joint 2 comprises a rotary body 21 fixedly communicated with the pot body 1,
in the embodiment, the buffer cylinder 11 is fixedly connected to the position where the pot body 1 is connected with the rotating body 21 by welding, the rotating body 21 is a hollow cylinder, one end of the hollow cylinder is sealed by the gland 28, and the other end of the hollow cylinder is fixedly communicated with a flange plate on the buffer cylinder 11 by the flange plate 12. The radially outer side of the rotating body 21 is fitted with a cylinder fixing body 22 through a bearing 23,
in this embodiment, two annular grooves 24 are coaxially formed in the inner wall of the cylinder fixing body 22 along the axial direction, through holes 27 corresponding to and penetrating the two annular grooves 24 are formed in the outer wall surface of the cylinder fixing body 22, and the aperture of the through holes 27 is smaller than the width of the annular grooves 24. The rotary body 21 is provided with a hole 29 penetrating the two annular grooves 24 at an end surface connected to the pan body 1, and the hole 29 is located in an inner diameter region of the buffer cylinder 11. The two through holes 27 are each connected by threads to a pipe connection which communicates with the medium-carrying pipe 3. A packing 25 is interposed between the inner wall surface of the cylinder fixing body 22 and the outer wall surface of the rotary body 21. The other end of the pot body 1 in the axial direction is connected with an openable door cover 4. The pot body 1 is placed on symmetrically arranged supporting rotary wheels 5, and the supporting rotary wheels 5 are provided with two groups of supporting rotary wheels 5 in the axial direction of the pot body 1.
As shown in fig. 2, the support turn wheel 5 includes a tripod 51, a first end of the tripod 51 is hinged to a base 53, and the base 53 is fixed to the support frame 6 by bolts. The other two ends of the triangular bracket 51 are respectively connected with riding wheels 52 in a rotating way, and the pan body 1 is placed between the riding wheels 52. The support frame 6 is provided with a driving device 7, and the driving device 7 drives the pot body 1 to rotate around the axis direction of the pot body.
In this embodiment, the drive means 7 are located between two sets of support turns 5. The driving device 7 comprises a driving motor 7, the driving motor 71 is connected with the input end of a reduction gearbox 72, the output end of the reduction gearbox 72 is connected with a belt wheel A73, a belt wheel B74 is assembled on the pot body 1 along the circumferential direction, the belt wheel A73 and the belt wheel B74 are connected through a belt 75, and the motor 71 and the reduction gearbox 72 are fixedly connected to the supporting frame 6 through bolts.
As shown in fig. 4, the driving device 7 may further adopt gears to drive, the driving device 7 includes a driving motor 71, the driving motor 71 is connected with an input end of a reduction gearbox 72, an output end of the reduction gearbox 72 is connected with a gear a73, a gear B74 is assembled on the pan body 1 along a circumferential direction, the gear a73 and the gear B74 are engaged for transmission, and the motor 71 and the reduction gearbox 72 are fixedly connected to the support frame 6 through bolts.
As shown in fig. 5, the driving device 7 may further adopt friction to drive, the driving device 7 includes a driving motor 71, the driving motor 71 is connected with an input end of a reduction gearbox 72, an output end of the reduction gearbox 72 is connected with a friction roller a73, the pan body 1 is equipped with a friction roller B74 along a circumferential direction, the friction roller a73 drives the friction roller B74 to rotate, and the motor 71 and the reduction gearbox 72 are fixedly connected to the support frame 6 through bolts. The driving device 7 can also be driven by a chain wheel, the specific structural form is similar to the belt wheel transmission, the description of the drawings is not adopted here, the transmission of a chain and the chain wheel is shown in the following text, the driving device 7 adopting the chain transmission comprises a driving motor 71, the driving motor 71 is connected with the input end of a reduction gearbox 72, the output end of the reduction gearbox 72 is connected with a chain wheel A73, the pot body 1 is provided with a chain wheel B74 along the circumferential direction, the chain wheel A73 and the chain wheel B74 are connected through a chain 75, and the motor 71 and the reduction gearbox 72 are fixedly connected to a supporting frame 6 through bolts.
The using flow of the equipment is as follows: firstly, food or medicine to be processed is put into the pot body 1, and the door cover 4 is closed after the placement is completed. The driving device 7 is started to drive the pot body 1 to rotate, and simultaneously, the medium such as steam is conveyed into the rotary joint 2 through the medium conveying pipeline 3, enters through the through hole 27 on the cylinder fixing body 22, enters the corresponding hole 29 through the annular groove 24, and finally enters the pot body 1.