CN219116685U

CN219116685U - Material conveying equipment

Info

Publication number: CN219116685U
Application number: CN202223560620.XU
Authority: CN
Inventors: 成宇; 谷红敏; 马超; 巨昭月; 常青蕊
Original assignee: Aerospace Hydrogen Energy Xinxiang Gas Co ltd
Current assignee: Aerospace Hydrogen Energy Xinxiang Gas Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02
Anticipated expiration: 2032-12-30

Abstract

The utility model provides material conveying equipment, and belongs to the technical field of material conveying. The material conveying device comprises: the machine body assembly comprises a machine body and a machine shell which wraps the machine body to form a closed material conveying cavity, and a feed inlet and a discharge outlet which are communicated with the material conveying cavity are formed in the machine shell; the material conveying assembly is arranged in the material conveying cavity and is used for receiving materials entering the material conveying cavity from the feed inlet and conveying the materials to the discharge outlet; the two negative pressure systems respectively comprise a dust remover, and an induced draft fan and an induced draft pipe which are connected with the dust remover, wherein one ends of the induced draft pipes of the two negative pressure systems are respectively arranged at the position, close to the feed inlet, of the material conveying cavity in a one-to-one correspondence manner, so that the induced draft fans of the two negative pressure systems respectively pump dust in the material conveying cavity to the dust remover through the corresponding induced draft pipes to remove the dust, and the material conveying cavity is in a negative pressure state. The material conveying equipment solves the problem of leakage generated during conveying of large-particle solid materials.

Description

Material conveying equipment

Technical Field

The utility model belongs to the technical field of material conveying, and particularly relates to material conveying equipment.

Background

Solid transportation is a common operation in industrial production, where many raw materials, semi-finished products and finished products are in a solid state and need to be transported from one place to another by specific transportation equipment or technology called solid material transportation equipment or solid material transportation technology in the production of multiple industries such as petrochemical industry, coal chemical industry, paper making, medicine, metallurgy, coal electricity and the like.

In the industrial field, the equipment of the solid conveying system is mainly divided into two main types of mechanical conveying and pneumatic conveying. Wherein the mechanical conveyance generally includes belt conveyance, bucket lifting, screw conveyance, buried scraper conveyance, and the like. However, in these mechanical conveying techniques, other conveying techniques than the spiral conveying technique cannot realize closed conveyance. However, when the material which is inflammable, explosive, poisonous, harmful and polluted is conveyed, the spiral conveying technology can only adopt a nitrogen filling protection method, but still has the leakage condition.

Pneumatic conveying is also called air flow conveying, and utilizes the energy of air flow to convey granular material in the air flow direction in a closed pipeline. The pneumatic conveying apparatus is generally composed of a transmitter, a feed valve, an exhaust valve, an automatic control part and a conveying pipeline, and can be used for conveying horizontally, vertically or obliquely. Although the pneumatic conveying technology can realize closed conveying, the system is complex, additional high-pressure gas is needed for conveying materials, the high-pressure gas is discharged into the atmosphere after the conveying is completed and cannot be utilized, the energy consumption is high, the pneumatic conveying technology has high requirements on solid particles, the blocking degree, the viscosity and the humidity of the materials are limited, and the conveying of large-particle materials cannot be realized.

Disclosure of Invention

In view of the foregoing problems of the prior art, an object of an embodiment of the present utility model is to provide a material conveying apparatus. The material conveying equipment solves the problem of leakage generated during conveying of large-particle solid materials.

The technical scheme adopted by the embodiment of the utility model is as follows:

a material conveying apparatus, the material conveying apparatus comprising:

the machine body assembly comprises a machine body and a machine shell, wherein the machine shell wraps the machine body to form a closed material conveying cavity, and a feed inlet and a discharge outlet which are communicated with the material conveying cavity are formed in the machine shell;

the material conveying assembly is arranged in the material conveying cavity and is used for receiving materials entering from the feeding hole and conveying the materials to the discharging hole;

the two negative pressure systems respectively comprise a dust remover, and an induced draft fan and an induced draft tube which are connected with the dust remover, wherein one ends of the induced draft tubes of the two negative pressure systems are respectively arranged at the position, close to the feeding hole, of the material conveying cavity and the position, close to the discharging hole, of the material conveying cavity in a one-to-one correspondence mode, so that the induced draft fans of the two negative pressure systems respectively pump dust in the material conveying cavity to the dust remover through the corresponding induced draft tubes, and the material conveying cavity is in a negative pressure state.

Further, the dust collectors of the two negative pressure systems are respectively fixed on the shell.

Further, the two negative pressure systems further comprise blanking pipes connected with the dust collectors respectively, and outlets of the blanking pipes are communicated with the material conveying cavity so as to be used for conveying dust filtered by the dust collectors to the material conveying assembly.

Further, the bottom of the dust remover is in a funnel shape, a discharge opening is arranged at the bottom end of the funnel-shaped part of the dust remover, and an inlet of the blanking pipe is communicated with the discharge opening.

Further, a discharge valve for controlling the opening and closing of the discharge opening is arranged on the discharge opening.

Further, a filter cloth for adsorbing dust and a pulser for blowing the dust adsorbed by the filter cloth to the discharge opening are arranged in the dust remover.

Further, the material conveying assembly comprises a driving roller and a driven roller which are fixed on the machine body, and a conveying belt which is connected with the driving roller and the driven roller.

Further, a feed inlet and a discharge outlet on the shell are respectively provided with a door body capable of being opened and closed; or, the feed inlet of casing intercommunication charge-in pipeline, the discharge gate intercommunication discharge pipeline of casing.

Compared with the prior art, the embodiment of the utility model has the beneficial effects that:

the material conveying equipment provided by the embodiment of the utility model can pump dust generated by the material conveying cavity into the dust remover through the negative pressure system to remove dust and enable the material conveying cavity to be in a negative pressure state when large-particle materials are conveyed, so that the material conveying equipment can not generate smoke dust at the feed inlet and the discharge outlet and the material conveying cavity when the large-particle materials are conveyed, and the leakage of the materials in the conveying process is avoided. Meanwhile, compared with pneumatic conveying, the material conveying equipment of the embodiment does not use extra high-pressure gas, and is simple in structure and low in overall energy consumption.

Drawings

Fig. 1 is a schematic structural view of a material conveying apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a negative pressure feeding system according to an embodiment of the present utility model.

Reference numerals:

1-a machine body; 2-a casing; 3-a feeding negative pressure system; 30-a dust remover; 31-an induced draft tube; 32-blanking pipe; 33-induced draft fan; 34-pulser; 35-a discharge valve; 4-a discharging negative pressure system; 5-driving roller; 6-a driven roller; 7-a conveyor belt; 8-a conveying roller; 9-a feed inlet; 10-a discharge hole; 11-material conveying cavity.

Detailed Description

Technical or scientific terms used herein should be given the ordinary meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1, an embodiment of the present utility model provides a material conveying apparatus, which includes a body assembly, a material conveying member, a negative-pressure feeding system 3, and a negative-pressure discharging system 4.

The machine body assembly comprises a machine body 1 and a machine shell 2 which wraps the machine body 1 to form a sealed material conveying cavity 11, wherein a feed inlet 9 and a discharge outlet 10 which are communicated with the material conveying cavity 11 are arranged on the machine shell 2.

The material conveying part is arranged in the material conveying cavity 11 and is used for receiving the material entering the material conveying cavity 11 from the feed inlet 9 and conveying the material to the discharge outlet 10.

The feeding negative pressure system 3 and the discharging negative pressure system 4 comprise a dust remover 30, and an induced draft fan 33 and an induced draft tube 31 which are connected to the dust remover 30, wherein one end of the induced draft tube 31 of the feeding negative pressure system 3 is connected to a position in the material conveying cavity 11, which is close to the feeding port 9. One end of an induced air pipe 31 of the discharging negative pressure system 4 is connected to a position in the material conveying cavity 11, which is close to the discharging port 10.

The induced draft fans 33 of the feeding negative pressure system 3 and the discharging negative pressure system 4 respectively pump the dust in the material conveying cavity 11 into the dust remover 30 through the corresponding induced draft pipes 31 to remove the dust and enable the material conveying cavity 11 to be in a negative pressure state.

When the material conveying equipment provided by the embodiment of the utility model is used for conveying large-particle materials, dust in the material conveying cavity 11 can be pumped into the dust remover 30 through the negative pressure system to remove dust, and the material conveying cavity 11 is in a negative pressure state, so that the materials are conveyed in a negative pressure environment, and the material conveying equipment can not generate dust at the feed inlet 9, the discharge outlet 10 and the material conveying cavity 11, and the leakage of the materials in the conveying process is avoided.

It should be noted that the material conveying device of this embodiment can be applied to the fields of solid materials that need to be transported in the production process, such as pharmacy, papermaking, metallurgy, coal chemical industry, petrochemical industry, etc.

Meanwhile, the material conveying device of the embodiment can be used as a part of a production system in each field. For example, the feeding port 9 on the casing 2 may be connected to a feeding pipe, the discharging port 10 on the casing 2 may be connected to a discharging pipe, and the material sent from the feeding pipe directly falls into the material conveying cavity and is sent into the discharging pipe through the conveying component.

Alternatively, the material conveying device of the embodiment may be used as a single conveying device, so as to realize leak-free conveying of the material. For example, the feeding port 9 and the discharging port 10 on the casing 2 are respectively provided with a door body capable of being opened and closed, when materials are conveyed, the door body corresponding to the feeding port 9 is opened, then the materials are poured onto the material conveying component for conveying, and finally the materials can be discharged by opening the corresponding door body at the discharging port 10.

In addition, the negative pressure system of the material conveying device of the embodiment is not limited to the feeding negative pressure system 3 and the discharging negative pressure system 4, and if the conveying distance of the material conveying component is longer or the internal space of the material conveying cavity 11 is larger, several similar negative pressure systems can be arranged between the feeding port 9 and the discharging port 10 of the casing 2, so as to pump the material conveying cavity 11 simultaneously, thereby making it in a negative pressure state.

As shown in fig. 1, in some embodiments, the material transporting part mainly includes a driving roller 5 and a driven roller 6 fixed to the machine body 1, and a transporting belt 7 connecting the driving roller 5 and the driven roller 6, and a plurality of transporting rollers 8 are further provided on the machine body in a transporting direction of the transporting belt 7 for supporting the transporting belt 7.

The belt transmission mode is selected in the embodiment, so that abrasion to materials in the conveying process can be avoided, and the belt transmission mode can be suitable for conveying various types of materials, such as granular, small block-shaped and powdery materials.

Of course, the material conveying component of the embodiment can be also suitable for other mechanical conveying technologies, such as bucket lifting, screw conveying and buried scraper conveying, and the conveying modes can be used for conveying materials with certain viscosity. As long as the corresponding transmission structure ensuring such a conveying mode is also provided in the material conveying chamber 11.

The feeding negative pressure system 3 and the discharging negative pressure system 4 in this embodiment have the same structure, and are both used for pumping the material conveying cavity 1, and the structure of the feeding negative pressure system 3 will be described as an example.

As shown in fig. 1 and 2, in some embodiments, the negative feed pressure system 3 further includes a drop tube 32 connected to the dust catcher 30, the outlet of the drop tube 32 being in communication with the material conveying chamber 11. The dust filter that can make things convenient for dust remover 30 to collect is sent into material conveying chamber 11 again through this blanking pipe 32 like this, and the recovery of the material of being convenient for avoids the material loss.

As shown in fig. 2, the blanking pipe 32 of the negative feed pressure system 3 can extend above the conveyor belt 7 in the material conveying chamber 11, so that the material collected at the feed inlet 9 can be conveyed again.

As shown in fig. 1, the down pipe 32 of the negative discharge pressure system 4 is connected to a position near the discharge port 10, so that the collected material is discharged through the discharge port 10 again.

As shown in fig. 2, in some embodiments, the bottom of the dust remover 30 is in a funnel-shaped design, the induced air pipe 31 is connected to the side wall surface of the dust remover 30, the induced air fan 33 is arranged at the top of the dust remover 30, the induced air fan 33 pumps the gas in the material conveying cavity 11 into the dust remover 30 through the induced air pipe 31 for filtering, the pumped gas is discharged through the top of the gas after being filtered, and the filtered dust falls into a funnel-shaped part at the bottom of the dust remover 30, so that the filtered dust is collected conveniently.

As for the dust removing principle of the dust remover 30 of the present embodiment, which belongs to the prior art, a detailed description thereof will be omitted.

As shown in fig. 2, in some embodiments, a bottom end of the funnel-shaped portion at the bottom of the dust collector 30 is provided with a discharge opening (not shown in the figure), an inlet of the blanking pipe 32 is connected to the discharge opening, and a discharge valve 35 for controlling opening and closing of the discharge opening is provided on the discharge opening. When the dust in the funnel-shaped part at the bottom of the dust remover 30 is stored to a certain amount, the discharge valve 35 can be controlled to be opened, so that the dust in the dust remover 30 is sent into the material conveying cavity 11.

As shown in fig. 1, in some embodiments, a filter cloth, not shown in the drawings, may be provided inside the dust remover 30, and the dust filtered through the dust remover 30 may be adhered to the filter cloth. Meanwhile, a pulser 34 is further arranged at the top of the interior of the dust remover 30, and the pulser 34 can spray high-pressure gas onto the filter cloth, so that dust adhered to the filter cloth is blown down to the bottom of the dust remover 30. The structure and principle of the pulser 34 are related to the prior art, and will not be described in detail.

The above description is intended to be illustrative and not limiting, and variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art within the scope of the present disclosure. Also, the above examples (or one or more aspects thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims

1. A material conveying apparatus, characterized in that the material conveying apparatus comprises:

2. A material conveying apparatus according to claim 1, wherein dust collectors of two of said negative pressure systems are respectively fixed to said housing.

3. A material handling apparatus as set forth in claim 1, wherein both of said negative pressure systems further comprise a drop tube connected to said dust remover, respectively, and wherein an outlet of said drop tube communicates with said material handling chamber for delivering dust filtered by said dust remover to said material handling assembly.

4. A material conveying apparatus according to claim 3, wherein the bottom of the dust catcher is funnel-shaped, and the bottom end of the funnel-shaped part of the dust catcher is provided with a discharge opening, and the inlet of the blanking pipe is communicated with the discharge opening.

5. A material conveying apparatus according to claim 4, wherein the discharge opening is provided with a discharge valve for controlling the opening and closing thereof.

6. A material conveying apparatus according to claim 5, wherein a filter cloth for adsorbing dust and a pulser for blowing the dust adsorbed by the filter cloth to the discharge port are provided inside the dust remover.

7. A material conveying apparatus as claimed in claim 1, wherein the material conveying assembly comprises a driving roller and a driven roller fixed to the body and a conveyor belt connecting the driving roller and the driven roller.

8. The material conveying equipment as claimed in claim 1, wherein the feed inlet and the discharge outlet on the casing are respectively provided with a door body capable of being opened and closed; or, the feed inlet of casing intercommunication charge-in pipeline, the discharge gate intercommunication discharge pipeline of casing.