CN212657969U - Vacuum freeze drying equipment for nutrient porridge - Google Patents

Abstract

The utility model discloses a vacuum freeze drying equipment for nutrition congee, include: the exhaust hood is provided with an inner cavity, the bottom of the exhaust hood is connected to the top of the drying bin and sleeved on the exhaust pipe, and the side wall of one side of the exhaust hood is connected with the water ring vacuum pump through a pipeline; at least one water absorbing member disposed in the interior chamber; the upper cover is provided with a rectangular through groove and is connected to the top of the exhaust hood to cover the inner cavity; a first gasket connected between the exhaust hood and the upper cover; one end of the filtering piece is connected to the upper cover, and the other end of the filtering piece penetrates through the rectangular through groove, is arranged in the inner cavity and is arranged between the discharge pipe and the pipeline; and a second gasket coupled between the upper cap and the filter member; thereby overcome steam and detained in the exhaust hood, condensed into water, after the water yield grow, lead to water to flow back in the dry storehouse, influenced the technical problem of vacuum freeze drying's effect.

Description

Vacuum freeze drying equipment for nutrient porridge

Technical Field

The utility model relates to a nutrition congee production facility technical field, specific vacuum freeze drying equipment for nutrition congee that says so.

Background

The nutritional porridge is the characteristic of the porridge in China, integrates the traditional nutrition science and the cooking science, and plays a more important role in promoting the health of the nation; the nutritional porridge is prepared from a large number of food materials, such as rice, glutinous rice, millet, soybean, mung bean, red date, longan, chestnut, longan pulp and the like, and as the food materials have a certain shelf life, in order to preserve for a long time and ensure the quality of the food materials, people adopt vacuum freeze drying equipment, such as Chinese patent application No. 201820337993.5 with the patent subject name of the multifunctional vacuum freeze dryer, and the vacuum freeze drying technology is utilized, so that the preservation of the food materials can be well realized; in the specific use process, the defects that the water ring vacuum pump has a pumping effect, when pumping water vapor, the water ring vacuum pump cannot ensure that all the water vapor is pumped out, so that some water vapor is retained in the exhaust hood and condensed into water, after a period of time, the water amount in the exhaust hood is increased, and the water flows back to the drying bin from the exhaust pipe, so that the vacuum freeze drying effect is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the purpose is to provide the vacuum freeze drying equipment for the nutrient porridge, so as to solve the technical problem that the effect of vacuum freeze drying is influenced because water vapor in the prior art is retained in the exhaust hood, is condensed into water and flows back to the drying bin after the water amount is increased.

The technical scheme adopted for realizing the purpose is as follows: a vacuum freeze-drying apparatus for nutritional congee, comprising:

the exhaust hood is provided with an inner cavity, the bottom of the exhaust hood is connected to the top of the drying bin and sleeved on the exhaust pipe, and the side wall of one side of the exhaust hood is connected with the water ring vacuum pump through a pipeline;

at least one water absorbing member disposed in the interior chamber;

the upper cover is provided with a rectangular through groove, is connected to the top of the exhaust hood and covers the inner cavity;

a first gasket coupled between the exhaust hood and the upper cover;

one end of the filtering piece is connected to the upper cover, and the other end of the filtering piece penetrates through the rectangular through groove, is arranged in the inner cavity and is arranged between the discharge pipe and the pipeline;

and a second gasket coupled between the upper cover and the filter member.

Further: the exhaust hood includes: the cover body is square in shape, the top of the cover body is open, the bottom of the cover body is provided with a first through hole, the side wall of one side of the cover body is provided with a second through hole, the first through hole is in clearance fit with the discharge pipe, and the second through hole is connected with the pipeline;

and the first flange is connected to the top of the cover body and used for connecting the upper cover and the first sealing gasket.

Further: the water absorbing part is water absorbing sponge, is square in shape and is provided with a third through hole, and the third through hole is aligned with the first through hole and is sleeved on the discharge pipe.

Further: the upper cover is of a cuboid structure.

Further: the first sealing gasket is of a cuboid frame structure.

Further: the filter member includes: the step plate is connected to the upper cover and matched with the rectangular through groove;

and a box body, a plurality of aperture has on the lateral wall, and inside has at least one active carbon package, the top of box body is connected on the ladder board, and the length dimension of box body equals the width dimension of inner chamber.

Further: the second sealing gasket is of a cuboid frame structure.

Further: further comprising: and the oil mirror is connected to the side wall of the exhaust hood and is close to the exhaust pipe.

By adopting the technical scheme, the method has the following beneficial effects: a vacuum freeze-drying device for nutrient porridge is provided with an exhaust hood, an inner cavity is arranged, the exhaust hood is sleeved on a discharge pipe and is combined with an upper cover, a first sealing gasket, a filtering piece and a second sealing gasket, the inner cavity is in a relatively closed state, so that water vapor is pumped out by a water ring vacuum pump through a pipeline after entering the inner cavity from the discharge pipe, the water vapor is filtered and purified by the filtering piece in the pumping-out process, a water absorbing piece is arranged in the inner cavity, part of the water vapor is retained in the exhaust hood, is condensed into water and is collected and adsorbed by the water absorbing piece, and the purpose of preventing the water from flowing back into a drying bin is achieved; thereby overcome steam and detained in the exhaust hood, condensed into water, behind the water yield grow, lead to during water flows back to the drying storehouse, influenced the technical problem of vacuum freeze-drying's effect, reached and to collect the adsorption water, prevented that water from flowing back to the drying storehouse in, guaranteed the technological effect of vacuum freeze-drying's effect, had the practicality.

Drawings

FIG. 1 is a schematic view of the assembly structure;

FIG. 2 is a schematic view showing the construction of an exhaust hood, a water absorbing member, an upper cover, a first gasket, a filter member and a second gasket;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is an exploded view of FIG. 2;

figure 5 is a cross-sectional view of the filter element;

in the figure: 10. the exhaust cover comprises an exhaust cover body 11, an inner cavity 12, a cover body 12, a 121, a first through hole 122, a second through hole 13, a first flange 20, a water absorbing piece 21, a third through hole 30, an upper cover 31, a rectangular through groove 40, a first sealing gasket 50, a filtering piece 51, a step plate 52, a box body 53, an activated carbon bag 60, a second sealing gasket 70, an oil lens 100, a drying bin 200, an exhaust pipe 300, a pipeline 400 and a water ring vacuum pump 400.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, not all of the embodiments;

a vacuum freeze drying device for nutritional porridge solves the technical problems that in the related technology, water vapor is retained in an exhaust hood and condensed into water, and the water flows back to a drying bin after the water volume is increased, so that the effect of vacuum freeze drying is influenced; the device can be manufactured and used, and achieves the positive effects of collecting the adsorbed water, preventing the water from flowing back to the drying bin and ensuring the effect of vacuum freeze drying; the general idea is as follows:

one embodiment is as follows:

see FIG. 1; a vacuum freeze-drying apparatus for nutritional congee, comprising:

an exhaust hood 10 having an inner cavity 11, the bottom of which is connected to the top of the drying chamber 100 and is sleeved on the exhaust pipe 200, and one side wall of which is connected to the water ring vacuum pump 400 through a pipeline 300;

at least one water-absorbing member 20 disposed in said inner chamber 11;

an upper cover 30 having a rectangular through groove 31, said upper cover 30 being connected to the top of said exhaust hood 10 to cover said inner cavity 11;

a first gasket 40 connected between the exhaust hood 10 and the upper cover 30;

a filter element 50, one end of which is connected to the upper cover 30 and the other end of which passes through the rectangular through slot 31, is arranged in the inner chamber 11 and is arranged between the discharge pipe 200 and the pipeline 300;

and a second sealing gasket 60 connected between the upper cover 30 and the filter member 50;

specifically, when the drying device is implemented, the exhaust hood 10 is provided with an inner cavity 11, the inner cavity 11 is sleeved on the exhaust pipe 200 and is combined with the upper cover 30, the first sealing gasket 40, the filtering element 50 and the second sealing gasket 60, the inner cavity 11 is in a relatively closed state, so that water vapor is pumped out by the water ring vacuum pump 400 through the pipeline 300 after entering the inner cavity 11 from the exhaust pipe 200, the water vapor is filtered and purified by the filtering element 50 in the pumping-out process, the water absorbing element 20 is arranged in the inner cavity 11, part of the water vapor is retained in the exhaust hood 10, is condensed into water, is collected and adsorbed by the water absorbing element 20, the purpose of preventing the water from flowing back into the drying bin 100 is achieved, and the vacuum freeze drying effect is ensured;

in another embodiment:

see fig. 1, 2, 3, 4; in practice, the exhaust hood 10 includes: a cover 12, which is shaped like a square, and has an open top, a first through hole 121 at the bottom, and a second through hole 122 on one side wall, wherein the first through hole 121 is in clearance fit with the discharge pipe 200, and the second through hole 122 is connected with the pipeline 300; and a first flange 13 connected to the top of the housing 12 for connecting the upper cover 30 and the first gasket 40; the cover body 12 is formed by assembling and welding five square plates, is regular in shape and convenient to process and manufacture, forms a square inner cavity 11, and is welded with the top of the drying bin 100 and the discharge pipe 200 at the first through hole 121; the first flange 13 is of a square frame structure and is welded with the top of the cover body 12 to form an installation platform which is convenient to connect with the upper cover 30;

in another embodiment:

see fig. 1, 2, 3, 4; in practice, the water absorbing member 20 is a water absorbing sponge, has a square shape, and has a third through hole 21, and the third through hole 21 is aligned with the first through hole 121 and is sleeved on the discharge pipe 200; generally, two water absorbing pieces 20 are adopted, so that more water can be collected and adsorbed, the probability of backflow to the discharge pipe 200 is reduced after the water is retained, and after the water collecting device is used for a period of time (for example, when the filter piece 50 is replaced), only the water absorbing piece 20 needs to be taken out, and the water absorbing piece 20 is replaced, so that the operation is convenient;

in another embodiment:

see fig. 1, 2, 3, 4; in practice, the upper cover 30 has a rectangular parallelepiped shape; the regular shape is convenient for processing and manufacturing, and can be tightly attached to the first flange 13, and after the first flange 13 is connected with an outer hexagonal bolt penetrating through the outer hexagonal bolt, the first sealing gasket 40 can be reliably pressed, so that the mounting and dismounting are convenient, and the sealing performance is good;

in another embodiment:

see fig. 1, 2, 3, 4; in implementation, the first sealing gasket 40 is of a rectangular frame structure, and is generally made of tetrafluoro material, so that a better sealing effect is achieved, and the sealing property is ensured;

in another embodiment:

see fig. 1, fig. 2, fig. 3, fig. 4, fig. 5; in practice, the filter element 50 comprises: a step plate 51 connected to the upper cover 30 and matching with the rectangular through groove 31; the side wall of the box body 52 is provided with a plurality of small holes, at least one activated carbon bag 53 is arranged in the box body, the top of the box body 52 is connected to the step plate 51, and the length dimension of the box body 52 is equal to the width dimension of the inner cavity 11; the section of the stepped plate 51 is approximately in a T shape, the stepped plate is machined by a plate, one part of the stepped plate is in clearance fit with the rectangular through groove 31, the other part of the stepped plate presses the second sealing gasket 60, and the second sealing gasket is connected with the upper cover 30 through an outer hexagonal bolt piece, so that the stepped plate is convenient to install and disassemble; the box body 52 is formed by assembling and welding metal nets, is cuboid in shape, and is welded between the top and the step plate 51 after being filled with the activated carbon bag 53;

the length dimension of the box body 52 is equal to the width dimension of the inner cavity 11, so that the box body 52 and the activated carbon bag 53 can form separation between the discharge pipe 200 and the pipeline 300, water vapor can be in full contact with the activated carbon bag 53, and the filtering effect is ensured;

in another embodiment:

see fig. 1, 2, 3, 4; in implementation, the second sealing gasket 60 is of a rectangular frame structure, and is generally made of tetrafluoro material, so that a better sealing effect is achieved, and the sealing property is ensured;

in another embodiment:

see fig. 1, 2, 3, 4; when in implementation, the method further comprises the following steps: an oil mirror 70 connected to a side wall of the exhaust hood 10 adjacent to the discharge pipe 200; the oil mirror 70 adopts a common structure in the prior art, after the raw material belt is wound on the oil mirror 70, the oil mirror 70 is in threaded connection with a threaded through hole on the side wall of the exhaust hood 10, the central line of the oil mirror 70 is slightly lower than the top of the exhaust pipe 200, the water level condition at the exhaust pipe 200 can be seen, the water quantity is prevented from being overlarge and flowing back to the exhaust pipe 200, and an operator can find problems in time and process the problems;

in another embodiment:

see FIG. 1; in practice, the drying chamber 100, the exhaust pipe 200, the pipeline 300 and the water ring vacuum pump 400 are all structures in the prior art described in the background art, food materials are placed on the drying plate layer 500, the heater 600 performs temperature control, generated water vapor enters the exhaust hood 10 through the drying chamber 100 and the exhaust pipe 200, and is exhausted by the water ring vacuum pump 400 through the pipeline 300, and after seeing the disclosure, a person skilled in the art can directly and unambiguously know how to set the drying chamber without creative labor and without undue experiment;

the working principle is as follows: when the device is used, the exhaust hood 10 is arranged, the exhaust hood 10 is provided with an inner cavity 11, the inner cavity 11 is sleeved on the exhaust pipe 200 and is combined with the upper cover 30, the first sealing gasket 40, the filtering piece 50 and the second sealing gasket 60, the inner cavity 11 is in a relatively closed state, so that water vapor is pumped out by the water ring vacuum pump 400 through the pipeline 300 after entering the inner cavity 11 from the exhaust pipe 200, the water vapor is filtered and purified by the filtering piece 50 in the pumping process, the water absorbing piece 20 is arranged in the inner cavity 11, part of the water vapor is retained in the exhaust hood 10 and condensed into water which is collected and adsorbed by the water absorbing piece 20, the purpose of preventing the water from flowing back into the drying bin 100 is realized, and the effect of vacuum freeze drying;

in the description, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are only for convenience of description or simplicity of description, but do not indicate specific orientations that are necessary; the operation process described in the embodiment is not an absolute use step, and corresponding adjustment can be made during actual use;

unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art; the use of "first," "second," and the like in the description and in the claims does not denote any order, quantity, or importance, but rather the terms "a" and "an" and the like are used to distinguish one element from another, and likewise, are not intended to denote an absolute limitation of quantity, but rather denote the presence of at least one, as may be determined by the context of the embodiment;

the above description is only for the preferred embodiment, but the scope of protection is not limited thereto, and any person skilled in the art should be covered by the protection scope, which is equivalent to or changed from the technical solution and the utility model concept disclosed in the present disclosure.

Claims (8)

1. A vacuum freeze-drying apparatus for nutritional congee, comprising:

an exhaust hood (10) which is provided with an inner cavity (11), the bottom of the exhaust hood is connected to the top of the drying bin (100) and sleeved on the exhaust pipe (200), and the side wall of one side of the exhaust hood is connected with a water ring vacuum pump (400) through a pipeline (300);

at least one water-absorbing element (20) arranged in the inner chamber (11);

an upper cover (30) having a rectangular through groove (31), the upper cover (30) being connected to the top of the exhaust hood (10) to cover the inner cavity (11);

a first gasket (40) connected between the exhaust hood (10) and the upper cover (30);

a filter element (50) having one end connected to said upper cover (30) and the other end passing through said rectangular through slot (31), arranged in said internal chamber (11) and between said discharge pipe (200) and said duct (300);

and a second seal (60) connected between the upper cover (30) and the filter element (50).

2. A vacuum freeze-drying apparatus for nutritional congee according to claim 1, characterized in that: the exhaust hood (10) includes: the cover body (12) is in a square shape, the top of the cover body is open, the bottom of the cover body is provided with a first through hole (121), the side wall of one side of the cover body is provided with a second through hole (122), the first through hole (121) is in clearance fit with the discharge pipe (200), and the second through hole (122) is connected with the pipeline (300);

and a first flange (13) connected to the top of the housing (12) for connecting the upper cover (30) and the first gasket (40).

3. A vacuum freeze-drying apparatus for nutritional congee according to claim 2, characterized in that: the water absorbing piece (20) is water absorbing sponge, is square in shape and is provided with a third through hole (21), and the third through hole (21) is aligned with the first through hole (121) and is sleeved on the discharge pipe (200).

4. A vacuum freeze-drying apparatus for nutritional congee according to claim 1, characterized in that: the upper cover (30) is of a cuboid structure.

5. A vacuum freeze-drying apparatus for nutritional congee according to claim 1, characterized in that: the first gasket (40) has a rectangular parallelepiped frame structure.

6. A vacuum freeze-drying apparatus for nutritional congee according to claim 1, characterized in that: the filter element (50) comprises: a step plate (51) connected to the upper cover (30) and matched with the rectangular through groove (31);

and a box body (52), a plurality of apertures are arranged on the side wall, at least one activated carbon bag (53) is arranged inside the box body, the top of the box body (52) is connected on the step plate (51), and the length dimension of the box body (52) is equal to the width dimension of the inner cavity (11).

7. A vacuum freeze-drying apparatus for nutritional congee according to claim 1, characterized in that: the second sealing gasket (60) is of a cuboid frame structure.

8. A vacuum freeze-drying apparatus for nutritional congee according to claim 1, characterized in that: further comprising: and the oil lens (70) is connected to the side wall of the exhaust hood (10) and is close to the exhaust pipe (200).

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