CN215724623U

CN215724623U - Pulsating vacuum drying box

Info

Publication number: CN215724623U
Application number: CN202120892870.XU
Authority: CN
Inventors: 朱德泉
Original assignee: Nanjing Luanho Mechanical Equipment Co ltd
Current assignee: Nanjing Luanho Mechanical Equipment Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-02-01
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to a pulsating vacuum drying oven which comprises an oven body, an oven door and a drying rack, wherein the drying rack is used for placing a drying tray for containing materials to be dried when in use, the oven door is rotatably arranged on the oven body, the oven door is opened for pushing or pulling the drying rack out of the oven body, an air outlet is formed in the top of the oven body for discharging air in the oven body, an air inlet is formed in one side of the oven body for filling air for drying the materials into the oven body, and the pulsating vacuum drying oven also comprises a hot air storage tank which is connected with the air inlet in the oven body and used for providing hot air into the oven body. According to the utility model, the hot air storage tank is arranged on the box body, hot air is supplemented into the box body through the hot air storage tank, the air quantity of the hot air supplemented into the box body is increased, the temperature in the box body is not changed due to the fact that the hot air storage tank heats the air, and the influence on material drying due to temperature change is avoided.

Description

Pulsating vacuum drying box

Technical Field

The utility model relates to a pulsating vacuum drying oven, and belongs to the technical field of vacuum drying equipment.

Background

The vacuum drying oven is drying equipment widely used, especially in the field of pharmacy, and current vacuum drying oven's structure includes the box, and air inlet and gas outlet mend hot-blastly in to the box from the air inlet, carry out the drying through hot-blastly to the material in the box, adopt the vacuum pump with the gas outlet intercommunication to take out the air in the box, take out the steam that the material drying produced simultaneously.

The existing pulse vacuum drying oven adopts a respirator small tank to be communicated with an air inlet of the pulse vacuum drying oven for supplying hot air into the oven body, and has the defect that the supplied air quantity is small, and when the temperature of the supplied air is lower than that of the air in the oven body, the temperature in the oven body can be changed, so that the drying of materials is influenced.

When the material to the medicine carries out the drying, moisture is many, the characteristics that the sugar content is high, the bubble appears easily when the drying, along with drying time's extension, the bubble grow spills over outside the tray, cause the waste of medicinal material, for solving this problem, current vacuum drying oven sets up the pulsation and punctures the bubble system, current puncture bubble system includes compressed gas pipeline and air cock, wherein the vertical downward blowout gas of air cock, with puncturing the bubble, this kind of puncture bubble system is when puncturing the bubble, the bubble can be to splashing all around, still have outside a considerable part flies to the tray, the waste problem of medicinal material still exists.

Disclosure of Invention

The utility model aims to provide a pulsating vacuum drying oven, which solves the technical defects that in the prior art, hot air is supplemented into an oven body by a small tank of a respirator, the air volume is small, and the drying of materials is influenced by the temperature change in the oven body during air inlet.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: pulsation vacuum drying case, including box, chamber door and drying rack, the drying rack is used for placing the baking pan that holds the material of waiting to dry when using, and the chamber door rotates and sets up on the box, opens the chamber door and is used for promoting the drying rack or pull out the box, and the gas outlet has been seted up at the top of box for the air in the discharge box, the air inlet has been seted up to one side of box, is used for filling the air that is used for drying the material into in the box, still includes hot-blast storage tank, and hot-blast storage tank is connected with the air inlet on the box, is used for providing hot-air in the box. According to the utility model, the hot air storage tank is arranged on the box body, hot air is supplemented into the box body through the hot air storage tank, the air quantity of the hot air supplemented into the box body is increased, the temperature in the box body is not changed due to the fact that the hot air storage tank heats the air, and the influence on material drying due to temperature change is avoided.

As a further improvement of the utility model, the drying plate further comprises a bubble puncturing system, wherein the bubble puncturing system comprises a bubble puncturing support and a bubble puncturing air nozzle, the bubble puncturing support is used for communicating compressed gas, the bubble puncturing air nozzle is arranged on the bubble puncturing support and extends to materials in the drying plate when in use, and the compressed gas is sprayed by the bubble puncturing air nozzle and is used for puncturing bubbles generated in the material drying process. The bubble puncturing system punctures bubbles generated on the material in the using process, and improves the drying effect of the material.

As a further improvement of the utility model, the bubble puncturing air nozzle comprises a horizontal bubble puncturing air nozzle unit and a vertical bubble puncturing air nozzle unit, wherein the vertical bubble puncturing air nozzle unit is vertically arranged and can spray compressed gas downwards and is used for puncturing bubbles from the upper part of the bubbles on the material, and the horizontal bubble puncturing air nozzle unit is horizontally arranged and sprays compressed gas horizontally and is used for puncturing the bubbles from the side part of the bubbles on the material. Compared with the prior art that the bubbles are punctured only in the vertical direction, the horizontal bubble puncturing air nozzle unit disclosed by the utility model has the advantage that the problem that liquid splashes to two sides and falls outside the baking tray in the bubble puncturing process is avoided.

As a further improvement of the utility model, in the using state, the left side and the right side of each baking pan are respectively provided with a horizontal brewing air nozzle unit, and the horizontal brewing air nozzle units on the two sides of the same baking pan can oppositely spray compressed air. According to the utility model, the bubbles are punctured by the compressed gas at both sides of the baking pan, so that materials are further prevented from splashing out of the baking pan.

As a further improvement of the utility model, the puncturing and soaking bracket comprises a main air pipe and a plurality of branch air pipes, wherein the main air pipe is used for introducing compressed air, each branch air pipe is communicated with the main air pipe, and the horizontal puncturing and soaking air nozzle unit and the vertical puncturing and soaking air nozzle unit are both arranged on the branch air pipes. The compressed gas in the main gas pipe is inflated by the horizontal and vertical puncturing and foaming gas nozzle units through the branch gas pipes, so that the structure of the puncturing and foaming system is simplified.

As a further improvement of the utility model, the air-conditioning system also comprises a compressed air storage tank arranged on the box body, the main air pipe is communicated with the compressed air storage tank, and the compressed air storage tank supplies compressed air to the main air pipe. The compressed air storage tank stores compressed gas, and the compressed air storage tank provides the compressed gas required by the brewing to the brewing system.

As a further improvement of the utility model, the bottom of the box body is provided with a drainage system for draining water generated in the material drying process and falling to the bottom of the box body. The utility model is provided with a drainage system which can be used for draining accumulated water in the box body and cleaning water when cleaning the box body.

As a further improvement of the utility model, the drying rack is of a hollow structure, the drying rack is communicated with the hot water inlet and the hot water outlet in a use state, the hot water inlet fills hot water into the drying rack, the hot water flows through the drying rack and is discharged from the hot water outlet, and the hot water exchanges heat with the drying rack when passing through the drying rack to dry materials in a drying pan supported by the drying rack. The drying rack is provided with the hot water inlet and the hot water outlet, hot water can be filled into the drying rack according to the dried materials, and hot water drying is adopted, so that the universality of the drying rack is improved.

As a further improvement of the utility model, the box body comprises a shell and an inner container, the inner container is arranged in the shell, the box door is rotatably connected with the shell, the drying rack is positioned in the inner container in a use state, an interlayer heating system is arranged between the inner container and the shell, and the interlayer heating system heats the inner container in the use state. The interlayer heating system is arranged to heat the inner container, so that the phenomenon that the temperature difference exists between the inner container and the air in the box body, the steam is liquefied and then flows downwards along the inner container, secondary drying is caused, and the efficiency of material drying is influenced is avoided.

In conclusion, the beneficial effects of the utility model are as follows: according to the utility model, the hot air storage tank is arranged to ensure the supply of air in the box body, and the hot air storage tank heats the air, so that the phenomenon that the drying of materials is influenced by the temperature difference generated in the box body due to the air supplemented into the box body is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view of the present invention.

Wherein: 1. a box body; 2. a box door; 3. a drying rack; 4. baking the pan; 5. an air outlet; 6. an air inlet; 7. a hot air storage tank; 8. a forced air deflector; 9. a horizontal pricking air nozzle unit; 10. a vertical pricking air nozzle unit; 11. a main air pipe; 12. a bronchus; 13. a compressed air storage tank; 14. a drainage system; 15. a hot water inlet; 16. a hot water outlet; 17. a housing; 18. an inner container; 19. a sandwich heating system; 20. a vacuum pump; 21. a buffer tank; 22. a check valve; 23. and a cooling water tank.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

Example 1

The pulsating vacuum drying oven as shown in fig. 1 and fig. 2 comprises an oven body 1, an oven door 2 and a drying rack 3, wherein the drying rack 3 is used for placing a drying pan 4 for containing materials to be dried when in use, the oven door 2 is rotatably arranged on the oven body 1, the oven door 2 is opened for pushing or pulling the drying rack 3 out of the oven body 1, the top of the oven body 1 is provided with an air outlet 5, the air outlet 5 is connected with a vacuum pump 20 for exhausting air in the oven body 1, one side of the oven body 1 is provided with an air inlet 6 for filling air for drying the materials into the oven body 1, the air in the oven body 1 is dried by the air entering the air inlet 6, moisture in the materials is exhausted and mixed in the air, when the vacuum pump 20 extracts the air in the oven body 1, water vapor dried in the materials is together extracted from the oven body 1, in order to ensure the supply of air flow, the embodiment is provided with a hot air storage tank 7, the storage tank 7 is arranged on the oven body 1, and the hot air storage tank 7 is connected with the air inlet 6 on the box body 1 and is used for providing hot air into the box body 1, the heat pipe air storage tank 7 in the embodiment is a heat exchanger and comprises a tank body and a heating pipe, the heating pipe is wound on the outer surface of the tank body and is used for filling hot water into the heating pipe, the hot water exchanges heat with the tank body and improves the temperature of the air in the tank body, the air inlet end of the tank body in the embodiment is used for filling compressed air into the tank body, the air outlet end of the tank body is communicated with the air inlet 6 of the box body 1, the temperature of the air passing through the hot air storage tank 7 is increased, so that the air filled into the box body 1 is hot air, the temperature difference generated in the box body 1 due to the cold air filled into the box body 1 is avoided, and the quality and the efficiency of material drying are improved. In the embodiment, when the air outlet 5 is used, the buffer tank 21, the check valve 22, the vacuum pump 20 and the cooling water tank 23 are sequentially connected through pipelines, the check valve 22 is used for preventing air from flowing backwards into the box body 1 when the vacuum pump 20 stops, and the cooling water tank 23 is added with cooling water for cooling the air extracted from the box body 1.

Example 2

The embodiment is a further improvement of embodiment 1, compared with embodiment 1, the embodiment is additionally provided with a strong restriction air plate 8, the forced restriction air plate 8 comprises a vertical restriction air plate unit and a horizontal restriction air plate unit, the vertical restriction air plate unit and the horizontal restriction air plate unit have the same length, one end of the horizontal restriction air plate unit is fixed with the inner surface of the box body 1, the top end of the vertical restriction air plate unit is fixedly connected with the other end of the horizontal restriction air plate unit to enable the whole forced restriction air plate 8 to be in a 7 shape, a gap is left between the bottom end of the vertical restriction air plate unit and the bottom of the box body 1, the front end and the rear end of the forced restriction air plate 8 are respectively welded and fixed with the inner surfaces of the front side and the rear side of the box body 1 to improve the stability of the forced restriction air plate 8 in the box body 1, the air inlet 6 in the embodiment is opposite to the vertical restriction air plate unit, the air filled in the air inlet 6 flows downwards along the vertical restriction air plate unit, and upwards flow from the bottom of the box body 1 and pass through the drying rack 3 to dry the materials in the drying pan 4, and the air upwards flows from the bottom of the box body 1, so that the air can dry all the materials in the box body, and the drying effect of the materials in the drying pan 4 at the lower part of the drying rack 3 in the box body 1 is improved. The structure of the rest of this embodiment is the same as that of embodiment 1, and embodiment 1 may be referred to specifically, and details are not repeated in this embodiment.

Example 3

The embodiment is the further improvement of doing on embodiment 2's basis, compares in embodiment 2, and the embodiment still is provided with and punctures the bubble system, punctures the bubble system including stinging bubble support and puncture bubble air cock, punctures the bubble support and is used for communicating compressed gas, punctures the bubble air cock and installs on pricking the bubble support and stretch to the material in baking pan 4 when using, punctures the bubble that bubble air cock blowout compressed gas produced in the dry run of material.

The bubble pricking air nozzle in the embodiment comprises a horizontal bubble pricking air nozzle unit 9 and a vertical bubble pricking air nozzle unit 10, the vertical bubble pricking air nozzle unit 10 is vertically arranged and can spray compressed gas downwards, the bubble pricking air nozzle unit is used for pricking bubbles above the material, and the horizontal bubble pricking air nozzle unit 9 is horizontally arranged and sprays compressed gas horizontally, and the bubble pricking air nozzle unit is used for pricking bubbles from the side portion of the material. In the present embodiment, in a use state, the left and right sides of each baking pan 4 are respectively provided with one horizontal brewing air nozzle unit 9, and the horizontal brewing air nozzle units 9 on the two sides of the same baking pan 4 can oppositely eject compressed air, that is, the horizontal brewing air nozzles on the two sides of the same baking pan 4 are based on the air nozzle units 9.

The stinging bubble support in this embodiment includes main trachea 11 and many bronchus 12, wherein stinging bubble support is located the one side of keeping away from chamber door 2 in box 1 and just sets up to chamber door 2, main trachea 11 in this embodiment is used for letting in compressed air, each bronchus 12 all communicates with main trachea 11, horizontal stinging bubble air cock unit 9 and vertical stinging bubble air cock unit 10 are all installed on bronchus 12, the air in main trachea 11 disperses to each horizontal stinging bubble air cock unit 9 and vertical stinging bubble air cock unit 10 via bronchus 12, and be spouted in order to puncture the bubble on the material.

The preferred compressed air storage tank 13 that is installed on box 1 that is provided with the detachable of this embodiment, main air pipe 11 in this embodiment communicates with compressed air storage tank 13, by compressed air storage tank 13 to main air pipe 11 provide compressed air, this embodiment is when using, at an interval, once by compressed air storage tank 13 to main air pipe 11 air feed, prick the bubble that the material produced by bubble air cock unit 9 and vertical prick bubble air cock unit 10 by level, wherein the time interval of pricking the bubble can be according to the time reasonable setting of the material bubble. The structure of the rest of this embodiment is the same as that of embodiment 2, and embodiment 2 may be referred to specifically, and details are not repeated in this embodiment.

Example 4

This embodiment is a further improvement of embodiment 3, and compared with embodiment 3, the present embodiment is provided with a drainage system 14 at the bottom of the box 1 for draining water generated during the drying process of the materials and falling on the bottom of the box 1. Drainage system 14 in this embodiment includes drain pipe and drain valve, and the drain pipe communicates with the bottom of box 1, and the drain valve is installed on the drain pipe, opens the drain valve, can in time follow the water that produces in the drain pipe drainage box 1, avoids box 1 bottom to produce ponding and the adverse effect to the dry production of material. The structure of the rest of this embodiment is the same as that of embodiment 3, and embodiment 3 may be referred to specifically, and details are not repeated in this embodiment.

Example 5

The present embodiment is a further improvement of embodiment 4, compared with embodiment 4, the present embodiment is additionally provided with a hot water inlet 15 and a hot water outlet 16, the drying rack 3 is of a hollow structure, the drying rack 3 is communicated with the hot water inlet 15 and the hot water outlet 16 in a use state, the hot water inlet 15 fills hot water into the drying rack 3, the hot water flows through the drying rack 3 and is discharged from the hot water outlet 16, the hot water exchanges heat with the drying rack 3 when passing through the drying rack 3 to dry materials in the baking pan 4 supported by the drying rack 3, the drying rack 3 in the present embodiment is provided with a water inlet (not shown) and a water outlet (not shown), the water inlet is connected with the hot water inlet 15 and the water outlet is connected with the hot water outlet 16 in the use state, the present embodiment preferably provides the hot water inlet 15 at the lower part of the box body 1, the hot water outlet 16 is provided at the upper part of the box body 1, and the present embodiment can be based on the needs of the dried materials, hot water drying or gas drying is selected, and the universality is better. The structure of the rest of this embodiment is the same as that of embodiment 4, and embodiment 4 may be referred to specifically, and details are not repeated in this embodiment.

Example 6

The embodiment is a further improvement of the embodiment 5, compared with the embodiment 5, the box body 1 of the embodiment includes a casing 17 and an inner container 18, the inner container 18 is disposed in the casing 17, the bottom of the inner container 18 in the embodiment is a V-shaped structure with two vertical cross sections, which are higher than each other and lower than each other, the box door 2 is hinged to the casing 17, the drying rack 3 is located in the inner container 18 in the use state, an interlayer heating system 19 is disposed between the inner container 18 and the casing 17, the interlayer heating system 19 heats the inner container 18 in the use state, the interlayer heating system 19 in the embodiment can be heated by electric heating wires, or a hot water pipe can be disposed in the casing 17 and the inner container 18, hot water is filled in the hot water pipe to heat the inner container 18, so as to avoid that, due to the relatively low temperature of the inner container 18, water vapor is liquefied after contacting with the inner container 18 and then flows downward along the inner container 18, causing secondary evaporation and drying, affecting the drying effect of the material. The structure of the rest of this embodiment is the same as that of embodiment 5, and embodiment 5 may be referred to specifically, and details are not repeated in this embodiment.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. Pulsation vacuum drying case, including box (1), chamber door (2) and drying rack (3), drying rack (3) are used for placing when using and hold baking pan (4) of waiting to dry the material, chamber door (2) rotate and set up on box (1), open chamber door (2) and be used for promoting drying rack (3) or pull out box (1), gas outlet (5) have been seted up at the top of box (1), air for discharging in box (1), air inlet (6) have been seted up to one side of box (1), be used for to fill into the air that is used for drying the material in box (1), its characterized in that: the hot air storage tank (7) is connected with an air inlet (6) on the box body (1) and is used for providing hot air into the box body (1).

2. The pulsating vacuum drying oven of claim 1, wherein: still including stinging the bubble system, sting the bubble system and including stinging bubble support and stinging the bubble air cock, sting the bubble support and being used for intercommunication compressed gas, sting the bubble air cock and installing on stinging the bubble support and stretch to the material in baking pan (4) when using, sting the bubble air cock blowout compressed gas and being used for stinging the bubble that the material drying process produced.

3. The pulsating vacuum drying oven of claim 2, wherein: the bubble pricking air nozzle comprises a horizontal bubble pricking air nozzle unit (9) and a vertical bubble pricking air nozzle unit (10), compressed gas can be vertically arranged and sprayed downwards from the vertical bubble pricking air nozzle unit (10) and used for pricking bubbles from the upper side of the bubbles on the material, and the horizontal bubble pricking air nozzle unit (9) is horizontally arranged and used for spraying the compressed gas horizontally and used for pricking bubbles from the side portion of the bubbles on the material.

4. The pulsating vacuum drying oven of claim 3, wherein: in a use state, the left side and the right side of each baking pan (4) are respectively provided with a horizontal brewing air nozzle unit (9), and the horizontal brewing air nozzle units (9) on the two sides of the same baking pan (4) can oppositely eject compressed gas.

5. A pulsating vacuum drying oven as claimed in claim 3 or 4, wherein: the puncture and bubble support comprises a main air pipe (11) and a plurality of branch air pipes (12), wherein the main air pipe (11) is used for introducing compressed air, each branch air pipe (12) is communicated with the main air pipe (11), and a horizontal puncture and bubble air nozzle unit (9) and a vertical puncture and bubble air nozzle unit (10) are arranged on the branch air pipes (12).

6. The pulsating vacuum drying oven of claim 5, wherein: the air compressor also comprises a compressed air storage tank (13) arranged on the box body (1), the main air pipe (11) is communicated with the compressed air storage tank (13), and compressed air is provided for the main air pipe (11) by the compressed air storage tank (13).

7. The pulsating vacuum drying oven of claim 1, wherein: the bottom of the box body (1) is provided with a drainage system (14) which is used for draining water which is generated in the material drying process and falls on the bottom of the box body (1).

8. The pulsating vacuum drying oven of claim 1, wherein: the drying rack is characterized by further comprising a hot water inlet (15) and a hot water outlet (16), the drying rack (3) is of a hollow structure, the drying rack (3) is communicated with the hot water inlet (15) and the hot water outlet (16) in a use state, hot water is filled into the drying rack (3) through the hot water inlet (15), the hot water flows through the drying rack (3) and is discharged from the hot water outlet (16), and the hot water exchanges heat with the drying rack (3) when passing through the drying rack (3) to dry materials in a drying tray (4) supported by the drying rack (3).

9. The pulsating vacuum drying oven of claim 1, wherein: the box body (1) comprises a shell (17) and an inner container (18), the inner container (18) is arranged in the shell (17), the box door (2) is rotatably connected with the shell (17), the drying rack (3) is positioned in the inner container (18) in a use state, an interlayer heating system (19) is arranged between the inner container (18) and the shell (17), and the interlayer heating system (19) heats the inner container (18) in the use state.