CN214389930U

CN214389930U - Negative pressure mixing device for premix of powder nutrients

Info

Publication number: CN214389930U
Application number: CN202120130514.4U
Authority: CN
Inventors: 张玉洁; 张烜; 索爽; 孙程
Original assignee: Zhejiang Jinkangpu Food Technology Co ltd; Beijing Jinkangpu Food Science & Technology Co ltd
Current assignee: Zhejiang Jinkangpu Food Technology Co ltd; Beijing Jinkangpu Food Science & Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-15
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to a negative pressure mixing device for premix of powder nutrients, which comprises a proportioning tank, a gas cylinder, a feeding pipe, a storage tank and a vacuum pump; the upper part of the batching tank is provided with a sealable cover, and the lower part of the batching tank is communicated with the material storage tank through a discharging pipe; the gas cylinder is communicated with the batching tank and can be filled with nitrogen; the vacuum pump is communicated with the storage tank and can vacuumize the storage tank and the blanking pipe; and more than one screen is arranged in the blanking pipe for evenly mixing the materials. Firstly, adding various materials to be mixed into a mixing tank, covering a sealing cover, and introducing a proper amount of nitrogen; the vacuum pump acts on the feeding pipe and the storage tank which are communicated up and down, negative pressure is formed in the feeding pipe and the storage tank, the gear of the vacuum pump is adjusted again, the opening degree of the first discharging valve below the proportioning tank and the opening degree of the gas regulating valve enable the device to keep certain negative pressure, and the mixing speed is guaranteed to be stable.

Description

Negative pressure mixing device for premix of powder nutrients

Technical Field

The utility model relates to a material mixing field especially relates to a powder nutrient premix negative pressure mixing arrangement.

Background

In the fields of food and pharmacy, large-scale materials are often required to be further processed and manufactured after being crushed, wherein the process comprises the step of mixing various powder materials, the mixing of the powder materials is usually a process of stirring more than two components in a dry state or in the presence of a small amount of liquid under an external force action to ensure that the components are gradually and uniformly mixed, and the adding of various micronutrients is generally to prepare the components into uniformly mixed premix materials firstly.

The premix production and processing system in the prior art comprises an airflow mixing mode, wherein various raw materials are blown into materials in a mixing tank through airflow in the airflow mixing mode, but the structure of the airflow mixing system is usually complex.

Disclosure of Invention

In view of the above, the application provides a negative pressure mixing device for a powdery nutrient premix, which comprises a mixing tank, a gas cylinder, a feeding pipe, a storage tank and a vacuum pump; the lower part of the sealing cover which can be opened and closed at the upper part of the batching tank is communicated with the storage tank through the discharging pipe; the gas cylinder is communicated with the batching tank and can be used for filling nitrogen into the batching tank; the vacuum pump is communicated with the storage tank and can vacuumize the blanking pipe and the storage tank; and more than one screen is arranged in the blanking pipe for uniformly mixing materials.

In a possible implementation manner, the feeding pipe is a bent pipe, and the screen is arranged in front of and/or behind the bent part.

In a possible implementation manner, the blanking pipe comprises an upper pipe, a middle pipe and a lower pipe from top to bottom; the upper pipe and the middle pipe form a first preset angle; the middle pipe and the lower pipe form a second preset angle.

In a possible implementation manner, the first preset angle and the second preset angle are both 120 °.

In a possible implementation manner, the dosing tank is communicated with the gas cylinder through a first connecting pipe, and a gas regulating valve is installed on the first connecting pipe.

In a possible implementation manner, the storage tank is communicated with the vacuum pump through a second connecting pipe, and a filter net film is arranged on the second connecting pipe to prevent materials from entering the vacuum pump.

In one possible implementation mode, the lower end of the batching tank is provided with a first discharge valve; the material storage tank downwardly extends to form a blanking pipe which is used for being communicated with rear-end equipment, and a second discharge valve is installed on the blanking pipe.

In one possible implementation, the maximum pore size of the screen is 8 mesh or less.

In one possible implementation, the cylinder is filled with nitrogen.

The utility model has the advantages that: firstly, adding various materials to be mixed into a mixing tank, covering a sealing cover, and introducing a proper amount of nitrogen; the vacuum pump acts on the feeding pipe and the storage tank which are communicated up and down, negative pressure is formed in the feeding pipe and the storage tank, the gear of the vacuum pump is adjusted again, the opening degree of the first discharging valve below the proportioning tank and the opening degree of the gas regulating valve enable the device to keep certain negative pressure, and the mixing speed is guaranteed to be stable. And (3) when all the mixed materials pass through all the screens in the device under the action of negative pressure and are conveyed into the material storage tank, mixing of the powder nutrient premix is completed. The whole device has simple structure and can reasonably and efficiently mix materials.

Other features and aspects of the present invention will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 shows a schematic structural diagram of a powder nutrient premix negative pressure mixing device according to an embodiment of the present invention.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

As shown in fig. 1, the negative pressure mixing device for powdered nutrient premix comprises a mixing tank 2, an air bottle 5, a feeding pipe, a storage tank 14 and a vacuum pump 15; the upper part of the batching tank 2 is provided with a discharge hole and is covered with a sealing cover, and the lower part is communicated with a material storage tank 14 through a blanking pipe; the gas cylinder 5 is communicated with the batching tank 2 and can charge gas into the batching tank 2; the vacuum pump 15 is communicated with the storage tank 14 and can vacuumize the storage tank 14 and the blanking pipe; and more than one screen is arranged in the blanking pipe for evenly mixing the materials.

In this embodiment, act on batching jar 2 and storage tank 14 of upper and lower intercommunication through vacuum pump 15, make its inside negative pressure that forms to make the misce bene pass through all screens in the device because of the negative pressure effect, and send to storage tank 14 in, the blender in the device is regarded as to the screen cloth, and overall device simple structure, can be reasonable, efficient misce bene, and, keep certain negative pressure in making the device through the gear of adjusting vacuum pump 15 and the degree of opening of first bleeder valve, guarantee that mixing rate is stable.

It is also particularly emphasized that the device is not suitable for mixing materials with high viscosity, poor flowability or too large particles, and avoids the blockage of the materials at the screen.

The utility model discloses a powder nutrient premix negative pressure mixing arrangement's work flow does: all the nutrients to be mixed are added into the mixing tank 2, the vacuum pump 15 is started after the sealing cover 1 is covered, the filter screen film 13 on the second connecting pipe ensures that powder materials cannot enter the vacuum pump 15, negative pressure is formed inside the whole device, the gas regulating valve 4 is started first, nitrogen is conveyed into the mixing tank 2 through the first connecting pipe 3, the first discharging valve 6 is started, the opening degree of the first discharging valve is controlled to ensure that the whole system keeps preset negative pressure, the nutrients to be mixed sequentially reach the mixing purpose through the impact of the screen under the action of the negative pressure, the mixed mixture is received by the storage tank 14, and then the mixed mixture is conveyed out to rear-end equipment by opening the second discharging valve 16.

In one embodiment, as shown in fig. 1, the blanking pipe is a bent pipe, and the screen is arranged before and/or after the bent part.

The screens are positioned at different locations and have slightly different functions, and for the sake of convenience of distinction and description, the screens are labeled with different numbers in fig. 1, including a first screen 7, a second screen 10 and a third screen 12.

In this embodiment, the blanking pipe with the bend completes the preliminary mixing through the first screen 7 arranged in front of the bend, the materials form a buffer through the bend and in front of the second screen 10, the materials are accumulated in a certain scale, a preset negative pressure is kept, the materials are not blocked normally, the materials pass through the second screen 10 under the action of air flow, similarly, after the materials pass through the second screen 10 to complete the secondary mixing, the materials are continuously conveyed until the materials pass through the third screen 12 behind the second bend to form a buffer, and then the materials pass through the third screen 12 under the action of air flow to complete the final mixing in this embodiment. The department of buckling can play effective buffering, avoids the material to excessively pile up in front of the screen cloth, influences compounding speed.

As shown in fig. 1, in one embodiment, the blanking pipe comprises an upper pipe 8, a middle pipe 9 and a lower pipe 11 from top to bottom; the upper pipe 8 and the middle pipe 9 are at a first preset angle, and the middle pipe 9 and the lower pipe 11 are at a second preset angle.

In this embodiment, the first preset angle and the second preset angle may be the same or different, and are not specifically limited, and only need to ensure that the first preset angle and the second preset angle buffer the material to be sufficiently mixed.

In one embodiment, the first predetermined angle and the second predetermined angle are both 120 °.

In this embodiment, it is found through experiments that the first predetermined angle and the second predetermined angle are both 120 degrees, and the upper tube 8 and the lower tube 11 are vertically disposed, which is most suitable for mixing the powdered nutrient material.

In one embodiment, the dosing tank 2 is communicated with the gas cylinder 5 through a first connecting pipe 3, and a gas regulating valve 4 is mounted on the first connecting pipe 3.

In one embodiment, the storage tank 14 is connected to the vacuum pump 15 through a second connecting pipe, and the second connecting pipe is provided with a filter membrane 13 for preventing materials from entering the vacuum pump 15.

In one embodiment, the dispensing tank 2 is provided with a first discharge valve 6 at the lower end thereof, the storage tank 14 is provided with a down pipe extending downward for communicating with the rear end equipment, and the down pipe is provided with a second discharge valve 16.

In one embodiment, the screen has a maximum aperture size of 8 mesh or less.

In one embodiment, the dispensing tank 2 is provided with a closure cap 1 which is releasably connected to the top.

In one embodiment, the cylinder 5 contains nitrogen.

In this embodiment, the gas cylinder 5 is typically filled with a chemically inert gas.

In this embodiment, the gas contained in the gas cylinder 5 should have the function of protecting the easily-oxidized nutrients, and preferably, the gas cylinder 5 contains nitrogen, which has low cost, light weight and is easy to carry.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A negative pressure mixing device for a powdery nutrient premix is characterized by comprising a proportioning tank, a gas cylinder, a feeding pipe, a storage tank and a vacuum pump;

the upper part of the batching tank is provided with a discharge port, and the lower part of the batching tank is communicated with the material storage tank through the blanking pipe;

the gas cylinder is communicated with the batching tank and can be used for filling nitrogen into the batching tank;

the vacuum pump is communicated with the storage tank and can vacuumize the blanking pipe and the storage tank; and is

More than one screen is arranged in the blanking pipe for evenly mixing materials.

2. A powder nutrient premix negative pressure mixing device of claim 1, wherein the feeding pipe is a bent pipe, and the screen is arranged before and/or after the bent portion.

3. The negative pressure powder nutrient premix mixing device of claim 2, wherein the feeding tube comprises an upper tube, a middle tube and a lower tube from top to bottom;

the upper pipe and the middle pipe form a first preset angle;

the middle pipe and the lower pipe form a second preset angle.

4. A powder nutrient premix negative pressure mixing device of claim 3, wherein the first preset angle and the second preset angle are both 120 °.

5. A powder nutrient premix negative pressure mixing device as in claim 1, wherein the dosing tank is communicated with the gas cylinder through a first connecting pipe, and the first connecting pipe is provided with a gas regulating valve.

6. The negative pressure mixing device for powdered nutrient premix as claimed in claim 1, wherein the storage tank is communicated with the vacuum pump through a second connecting pipe, and a filter screen film is provided on the second connecting pipe to prevent the material from entering the vacuum pump.

7. A powder nutrient premix negative pressure mixing device as in claim 1, wherein a first discharge valve is installed at a lower end of the mixing tank;

the material storage tank downwardly extends to form a blanking pipe which is used for being communicated with rear-end equipment, and a second discharge valve is installed on the blanking pipe.

8. A powder nutrient premix negative pressure mixing device of claim 2, wherein the maximum aperture of the screen is not more than 8 mesh.

9. A powder nutrient premix negative pressure mixing device as in claim 1, wherein the upper cover of the mixing tank is provided with a sealing cover which can be opened and closed.

10. A powder nutrient premix negative pressure mixing device of claim 1, wherein nitrogen is contained in the gas cylinder.