CN213385858U

CN213385858U - Pneumatic arch breaking and dustproof device

Info

Publication number: CN213385858U
Application number: CN202021423114.4U
Authority: CN
Inventors: 刘良华; 刘理方; 胡清; 李亚军; 闻宇; 甘平湘; 罗良刚
Original assignee: Changsha Xiangji Environmental Protection Technology Co ltd; Hunan Datang Energy Saving Science And Technology Co ltd
Current assignee: Changsha Xiangji Environmental Protection Technology Co ltd; Hunan Datang Energy Saving Science And Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-08
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a pneumatic broken arch and dust keeper, include: the pneumatic arch breaking mechanism is arranged in the storage bin and used for jetting compressed air into the storage bin; the dustproof mechanism is arranged in the storage bin and communicated with the outside of the storage bin and used for preventing dust raised during pneumatic arch breaking from escaping. Compare in present pneumatic broken method and the device of encircleing commonly used, the utility model discloses simple structure, maintenance volume are little, have solved the pneumatic raise dust problem of encircleing and bringing simultaneously.

Description

Pneumatic arch breaking and dustproof device

Technical Field

The utility model relates to a material mediation technical field in the feed bin, in particular to pneumatic broken arch and dust keeper.

Background

The storage bin is an indispensable device for various unit operations in the material process and is a storage device for various loose materials. However, in the actual use process, when the material is discharged from the storage bin, a vault is formed at the discharge port due to the friction force and the adhesive force between particles and between the particles and the inner wall of the storage bin, so that the discharge port is blocked, and the problem of difficult discharge is caused.

The pneumatic arch breaking is a common method for solving the problems of arch camber and blockage, the pneumatic arch breaking refers to breaking the balance of an arch by adopting the impact of compressed air so as to achieve the purpose of arch breaking, and devices such as nozzles, porous plates or air cannons are commonly arranged around a storage bin. However, the existing pneumatic arch breaking method easily causes local fluidization and dust raising in the storage bin, influences the feeding effect, and simultaneously easily causes leakage of materials and environmental pollution.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pneumatic broken arch and dust keeper, include:

the pneumatic arch breaking mechanism is arranged in the storage bin and used for jetting compressed air into the storage bin;

and the dustproof mechanism is arranged in the stock bin and communicated with the outside of the stock bin and used for preventing dust raised during pneumatic arch breaking from escaping.

According to the utility model discloses an embodiment has following technological effect at least:

compressed air is sprayed into the bin through a pneumatic arch breaking mechanism, so that pneumatic arch breaking is realized; secondly, the dust raised during pneumatic arch breaking is prevented from escaping through the dustproof mechanism, and the dust is enriched on the dustproof mechanism. Compare in the broken method that encircles of pneumatic commonly used at present, the utility model discloses simple structure, maintenance volume are little, have solved the raise dust problem that pneumatic broken arch brought simultaneously.

According to the utility model discloses a some embodiments, pneumatic broken mechanism of encircleing is for installing gasbag on the inside wall of feed bin, the gasbag with leave the gap between the inside wall of feed bin, the gasbag is in with the setting the first intake pipe intercommunication of the outside of feed bin, be provided with first valve in the first intake pipe.

According to the utility model discloses a some embodiments, pneumatic broken mechanism of encircleing is for installing the gas dish on the inside wall of feed bin, the gas dish is in with the setting the first intake pipe intercommunication of the outside of feed bin, be provided with first valve in the first intake pipe.

According to some embodiments of the utility model, dustproof mechanism is the collection dirt sack, collect the dirt sack install in the top of feed bin and with the outside intercommunication of feed bin.

According to some embodiments of the utility model, pneumatic broken arch and dust keeper still are provided with and blow dirt mechanism, blow dirt mechanism and correspond collection dirt sack sets up for with the enrichment is in the dust on collection dirt sack surface blows back to in the material of feed bin.

According to the utility model discloses a some embodiments, blow dirt mechanism and be provided with nozzle and second intake pipe, the nozzle sets up the top of collection dirt sack, the nozzle with second intake-tube connection, be provided with the second valve in the second intake pipe.

According to some embodiments of the utility model, the first valve with the second valve is the solenoid valve, just the first valve with the second valve all is connected with the PLC controller.

According to some embodiments of the invention, the PLC controller is further configured to set the on-off state of the first valve and the duration corresponding to the on-off state, and the on-off state of the second valve and the duration corresponding to the on-off state.

According to some embodiments of the invention, the number of air bags is provided in plurality.

According to some embodiments of the invention, the number of gas dishes is provided in plurality.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a pneumatic arch breaking and dust preventing device provided in an embodiment of the present invention;

description of reference numerals:

100. a storage bin; 110. an air bag; 120. a first intake pipe; 121. a first solenoid valve; 130. a nozzle; 140. a second intake pipe; 141. a second solenoid valve; 150. a PLC controller; 160. a dust collecting cloth bag; 170. a control cable; 180. a bin inlet; 200. an air inlet main pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, 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 otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an embodiment of the present invention provides a pneumatic arch breaking and dust preventing device, including: broken mechanism, dustproof mechanism and the dust blowing mechanism of encircleing pneumatically, wherein:

the pneumatic arch breaking mechanism is arranged in the storage bin 100 and used for spraying compressed air into the storage bin 100;

the dustproof mechanism is arranged in the storage bin 100 and is communicated with the outside of the storage bin 100, and is used for preventing dust raised during pneumatic arch breaking from escaping, and the dust is gathered on the dustproof mechanism;

the dust blowing mechanism is arranged corresponding to the dustproof mechanism and used for blowing the dust enriched on the dustproof mechanism back to the material in the storage bin 100.

Firstly, injecting compressed air into the stock bin 100 through a pneumatic arch breaking mechanism to realize pneumatic arch breaking; secondly, dust raised during pneumatic arch breaking is enriched through a dustproof mechanism, and the dust is prevented from escaping; finally, the dust enriched on the dust prevention mechanism is blown back to the material in the storage bin 100 by the dust blowing mechanism. Compare in the broken method that encircles of pneumatic commonly used at present, the utility model discloses simple structure, maintenance volume are little, have solved the raise dust problem that pneumatic broken arch brought simultaneously. Of course, the dust accumulated on the dust-proof mechanism can also be disposed of manually, for example by manually actively returning the dust accumulated on the dust-proof mechanism to the material in the silo 100.

As an optional embodiment, the pneumatic arch breaking mechanism is an air bag 110 installed on the inner side wall of the storage bin 100, a gap is left between the air bag 110 and the inner side wall of the storage bin 100, the air bag 110 is communicated with a first air inlet pipe 120 arranged outside the storage bin 100, and a first valve is arranged on the first air inlet pipe 120. Of course, bladder 110 may be replaced by an air disk, and bladder 110 is preferred because the cost of using bladder 110 may be lower than the cost of using an air disk. The first intake pipe 120 is communicated with an intake main pipe 200, and the intake main pipe 200 is used for supplying compressed air; the air bag 110 is arranged on the inner side wall of the storage bin 100, the first air inlet pipe 120 conveys compressed air into the air bag 110, when the air in the air bag 110 is full, the air bag 110 can be blown by the compressed air, and the compressed air flows into the feeding bin 100 from a gap between the air bag 110 and the storage bin 100 to realize arch breaking; the first valve controls the intake of air. The design structure is simple, and the maintenance amount is small.

As an alternative embodiment, the dust-proof mechanism is a dust collecting cloth bag 160, and the dust collecting cloth bag 160 is installed on the top of the storage bin 100 and is communicated with the outside of the storage bin 100. When gasbag 110 realized breaking the arch, compressed air got into feed bin 100, raised the dust, and this embodiment is provided with collection dirt sack 160 at the top of feed bin 100, and collection dirt sack 160 communicates with the outside of feed bin 100, is used for discharging the inside compressed air that gets into feed bin 100 on the one hand, and on the other hand filters and collects the dust that rises along with compressed air, avoids the dust to blow off from feed bin 100 to cause the influence to the environment. Of course, the dust collection bag 160 could be replaced by a filter screen, and the dust would be collected on the filter screen.

As an alternative embodiment, the dust blowing mechanism is provided with a nozzle 130 and a second air inlet pipe 140, the nozzle 130 is arranged above the dust collecting cloth bag 160, the nozzle 130 is connected with the second air inlet pipe 140, and the second air inlet pipe 140 is provided with a second valve. The second air inlet pipe 140 is communicated with the air inlet main pipe 200, the nozzle 130 is positioned above the dust collecting cloth bag 160, air is blown into the dust collecting cloth bag 160, and dust collected by the dust collecting cloth bag 160 is blown back to the materials in the storage bin 100; the second valve is used to control the injection time and the injection amount of the nozzle 130.

As an alternative embodiment, the first valve and the second valve are both solenoid valves, and both the first valve and the second valve are connected to the PLC controller 150. Since the PLC controller is a common device in the art, it will not be described in detail here. Set for the switch of program control first valve and second valve through PLC controller 150, compare in the switch of manual control first valve and second valve, control accuracy is higher, and stability is better.

As an alternative embodiment, the PLC controller 150 is further configured to set the on-off state of the first valve and the duration of the corresponding on-off state, and the on-off state of the second valve and the duration of the corresponding on-off state. Through this design realization full automatic control, liberated the manpower.

As an alternative embodiment, the number of the air bags 110 is provided in plurality. The arch breaking effect is enhanced.

Referring to fig. 1, an embodiment of the present invention provides a pneumatic arch breaking and dust preventing device, including: the air bag 110, the air inlet main pipe 200, the first air inlet pipe 120, the second air inlet pipe 140, the first electromagnetic valve 121, the second electromagnetic valve 141, the PLC 150, the nozzle 130 and the dust collecting cloth bag 160.

The bin 100 is a cone bin, the top of the bin 100 is provided with a bin inlet 180, the air bag 110 is arranged on the inner side wall of the bin 100, the air bag 110 is communicated with a first air inlet pipe 120, a first electromagnetic valve 121 is arranged on the first air inlet pipe 120, the first air inlet pipe 120 is communicated with an air inlet main pipe 200, a dust collecting cloth bag 160 is arranged at the top of the bin 100 and is communicated with the outside of the bin 100, a nozzle 130 is positioned above the dust collecting cloth bag 160, the output end of the nozzle 130 is aligned with the dust collecting cloth bag 160, the input end of the nozzle 130 is communicated with a second air inlet pipe 140, a second electromagnetic valve 141 is arranged on the second air inlet pipe 140, the second air inlet pipe 140 is communicated with the air inlet main pipe 200, and the PLC 150 is communicated.

The operation process of the device is as follows:

the PLC 150 controls the first electromagnetic valve 121 to be opened, compressed air enters the air bag 110, after the air in the air bag 110 is full of air, the air bag 110 is blown by the compressed air, so that a gap appears on a contact point surface of the air bag 110 and the inner side wall of the storage bin 100, the compressed air is blown into the storage bin 100 from the gap, and arch breaking is achieved. After arch breaking is completed, the first electromagnetic valve 121 is closed, raised dust is collected by the dust collecting cloth bag 160 along with compressed air, and the compressed air is discharged; the PLC controller 150 controls the second solenoid valve 141 to be opened, and the nozzle 130 sprays the gas to blow the dust collected by the dust collecting bag 160 back to the material in the bin 100.

Compare in present pneumatic broken method and the device of encircleing commonly used, the utility model discloses simple structure, maintenance volume are little, have solved the pneumatic raise dust problem of encircleing and bringing simultaneously.

The PLC controller 150 may also control the on/off state of the first solenoid valve 121 and the duration of the corresponding on/off state, and the on/off state of the second solenoid valve 141 and the duration of the corresponding on/off state, so as to achieve automatic control and release manpower.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a pneumatic broken arch and dust keeper which characterized in that includes:

2. The pneumatic arch breaking and dust preventing device according to claim 1, wherein the pneumatic arch breaking mechanism is an air bag mounted on the inner side wall of the storage bin, a gap is reserved between the air bag and the inner side wall of the storage bin, the air bag is communicated with a first air inlet pipe arranged outside the storage bin, and a first valve is arranged on the first air inlet pipe.

3. The pneumatic arch breaking and dust preventing device according to claim 1, wherein the pneumatic arch breaking mechanism is a gas disc mounted on the inner side wall of the storage bin, the gas disc is communicated with a first gas inlet pipe arranged outside the storage bin, and a first valve is arranged on the first gas inlet pipe.

4. The pneumatic arch breaking and dust preventing device according to any one of claims 2 or 3, wherein the dust preventing mechanism is a dust collecting cloth bag, and the dust collecting cloth bag is mounted on the top of the storage bin and is communicated with the outside of the storage bin.

5. The pneumatic arch breaking and dust preventing device according to claim 4, wherein a dust blowing mechanism is further provided, and the dust blowing mechanism is disposed corresponding to the dust collecting cloth bag and used for blowing the dust collected on the surface of the dust collecting cloth bag back to the material in the storage bin.

6. A pneumatic arch breaking and dust preventing device as claimed in claim 5, wherein the dust blowing mechanism is provided with a nozzle and a second air inlet pipe, the nozzle is arranged above the dust collecting cloth bag, the nozzle is connected with the second air inlet pipe, and a second valve is arranged on the second air inlet pipe.

7. The pneumatic arch breaking and dust preventing device of claim 6, wherein the first valve and the second valve are both solenoid valves, and the first valve and the second valve are both connected to a PLC controller.

8. The pneumatic arch breaking and dust preventing device of claim 7, wherein the PLC controller is further configured to set the on-off state of the first valve and the duration of the corresponding on-off state, and the on-off state of the second valve and the duration of the corresponding on-off state.

9. A pneumatic arch breaking and dust preventing device according to claim 2, wherein the number of the air bags is plural.

10. A pneumatic arch breaking and dust preventing device according to claim 3 wherein the number of air disks is provided in plurality.