CN210236519U

CN210236519U - Rubber belt conveyor carries coal operation dust device

Info

Publication number: CN210236519U
Application number: CN201921103547.9U
Authority: CN
Inventors: Maohua Qiao; 乔茂华; Junwei Cai; 蔡俊伟; Wenbin Zhou; 周文彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-03
Anticipated expiration: 2029-07-15

Abstract

The utility model provides a rubber belt conveyor carries coal operation dust device, relates to raw coal and carries technical field, and this rubber belt conveyor carries coal operation dust device includes rubber belt conveyor and sets up the dust fall storehouse that advances the outside of coal end at rubber belt conveyor, be provided with the steam chest that is used for generating steam and the cooling tank that is used for making the gas cooling become liquid on the dust fall storehouse, be equipped with the steam pipe that has the steam hole in the dust fall storehouse, the steam pipe is put through with the steam chest through the input tube, the inside upside in dust fall storehouse is equipped with the cover body that is used for absorbing steam; the utility model discloses in, because the coal dust is adsorbed by steam, and steam can not produce the effect of drenching to the raw coal that is located on the band conveyer, consequently guaranteed the normal dry humidity of raw coal, adopt the water curtain to carry out the dust fall to the coal dust among the contrast prior art and cause the too big problem of raw coal humidity easily, the utility model discloses not only the humidity of excessive increase raw coal has made things convenient for the subsequent processing of raw coal, has improved the whole production efficiency to raw coal.

Description

Rubber belt conveyor carries coal operation dust device

Technical Field

The utility model relates to a technical field is carried to the raw coal, specifically is a rubber belt conveyor carries coal operation dust device.

Background

The belt conveyor is also called a belt conveyor or a belt conveyor, and is a continuous conveying machine with a belt as a traction mechanism and a bearing mechanism. The rubber belt conveyor comprises a frame, a rubber belt and a control box. The frame is used for supporting the adhesive tape and enabling the adhesive tape to circularly run according to the working route, and the control box is used for starting or stopping the action of the adhesive tape conveyor.

In the process of conveying raw coal, the rubber belt conveyor is connected with the coal bunker through the coal chute. Raw coal in the coal bunker firstly enters a coal chute, is unloaded from the coal chute onto a rubber belt of a rubber belt conveyor, and is conveyed along with the running of the rubber belt. However, the direct falling of raw coal onto the tape generates a large amount of coal dust, which poses a serious threat to the health of operators.

Through search and discovery, Chinese patent with the publication number of CN203833187U discloses a coal-discharging and dust-reducing device of a belt conveyor, which comprises: the dust settling bin is of a groove-shaped structure, and a groove-shaped opening of the dust settling bin faces downwards; the water spraying equipment comprises a water pipe and a plurality of water spraying ports arranged on the top wall or the side wall in the dust falling bin, and the water pipe is communicated with the water spraying ports; the coal chute is connected with the dust falling bin in a sealing mode, and one end, far away from the dust falling bin, of the coal chute is inclined upwards.

In the technical scheme, the dust falling operation is carried out by adopting a water spraying mode, so that the raw coal on the belt conveyor is easy to become high in humidity, the subsequent processing of the raw coal is influenced, and the overall processing efficiency of the raw coal is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber belt conveyor carries coal operation dust device aims at solving the mode that adopts the water spray among the prior art and carries out the dust fall operation, makes the raw coal on the rubber belt conveyor become humidity great easily, has influenced follow-up processing to the raw coal, has restricted the whole machining efficiency's of raw coal problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: rubber belt conveyor carries coal operation dust device includes rubber belt conveyor and sets up at rubber belt conveyor advances the outside dust fall storehouse of coal end, be provided with the steam chest that is used for generating steam and the cooler bin that is used for making gas cooling become liquid on the dust fall storehouse, be equipped with the steam pipe that has the steam hole in the dust fall storehouse, the steam pipe passes through input tube and steam chest switch-on, and the inside upside in dust fall storehouse is equipped with the cover body that is used for absorbing steam, and the cover body is through back flow and cooler bin switch-on, and the switch-on has the exhaust fan on the cooler bin.

The heat pump system comprises a condenser positioned in the steam box and an evaporator positioned in the cooling box, the condenser and the evaporator are communicated through two refrigerant pipelines, and an expansion valve and a compression pump are respectively arranged on the two refrigerant pipelines.

The condenser and the evaporator are respectively an immersion condenser and an immersion evaporator.

The upper part of the steam box is communicated with a supplement water pipe used for injecting water into the steam box, and the lower part of the cooling box is communicated with a drain pipe.

One side of the dust falling bin close to the coal inlet end is communicated with a coal chute, and the outlet end of the coal chute is positioned above the rubber belt conveyor.

The steam pipe is at least provided with an upper layer and a lower layer which are communicated with each other.

One side of the dust fall bin close to the coal outlet end is connected with a dust fall curtain made of flexible materials.

The dust falling device further comprises a lifting mechanism which is arranged on the dust falling bin and can lift relative to the upper surface of the rubber belt conveyor, and an infrared sensor is arranged at the movable end of the lifting mechanism.

The lifting mechanism is an electric telescopic rod.

The utility model has the advantages that:

1. in the utility model, because the coal dust is adsorbed by the steam, and the steam can not generate the effect of wetting the raw coal on the belt conveyor, thereby ensuring the normal dry humidity of the raw coal, compared with the problem that the adoption of a water curtain to reduce dust of the coal dust in the prior art easily causes the overlarge humidity of the raw coal, the utility model not only excessively increases the humidity of the raw coal, facilitates the subsequent processing of the raw coal, and improves the overall production efficiency of the raw coal;

2. the condenser refrigerates the refrigerant in the refrigerant pipeline, so can release a large amount of heats to the outside, consequently, the steam chest has a large amount of heats in, thereby make the water that is located in the steam chest heated into steam, meanwhile, the evaporimeter heats the refrigerant in the refrigerant pipeline, so can absorb a large amount of heats to the outside, consequently, the temperature is lower in the cooling box, the steam that has adsorbed the coal dust that enters into the cooling box through the back flow pipe is condensed into sewage liquid, and this embodiment can realize the evaporation to water and carry out the operation of condensing to the steam that has adsorbed the coal dust through a heat pump system who sets up, equipment cost has been practiced thrift more.

Drawings

Fig. 1 is a front view of an embodiment 1 of a coal-carrying operation dust-settling device of a belt conveyor.

Fig. 2 is a front view of embodiment 2 of the coal carrying operation dust falling device of the belt conveyor.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, a rubber belt conveyor carries coal operation dust device, including rubber belt conveyor 1 and the dust fall storehouse 2 of setting at rubber belt conveyor 1 coal inlet end outside, be provided with steam box 7 that is used for generating steam and the cooler bin 9 that is used for making gaseous cooling become liquid on the dust fall storehouse 2, be equipped with the steam pipe 4 that has steam hole 5 in the dust fall storehouse 2, steam pipe 4 passes through input tube 6 and communicates with steam box 7, the inside upside in dust fall storehouse 2 is equipped with the cover body 15 that is used for absorbing steam, the cover body 15 passes through back flow 16 and communicates with cooler bin 9, the last switch-on of cooler bin 9 has exhaust fan 17.

When coal falls on the belt conveyor 1 to generate coal dust, steam in the steam box 7 enters the steam pipe 4 through the input pipe 6, finally the steam overflows into the dust falling bin 2 through the steam holes 5, the coal dust suspended in the dust falling bin 2 and the steam overflowing from the steam holes 5 are adsorbed together, the steam adsorbed with the coal dust is sucked by the cover body 15, the steam adsorbed with the coal dust enters the cooling box 9 through the return pipe 16 under the action of the exhaust fan 17, and the steam adsorbed with the coal dust is cooled into sewage liquid, so that the dust falling process of the coal dust is completed, in the utility model, the coal dust is adsorbed by the steam, and the steam can not generate the effect of wetting the raw coal on the belt conveyor 1, so the normal dry humidity of the raw coal is ensured, compared with the prior art that the problem that the excessively large humidity of the raw coal is easily caused by adopting a water curtain to dust fall, the utility model discloses the humidity of not only excessive increase raw coal makes things convenient for the follow-up processing of raw coal, has improved the whole production efficiency to raw coal.

Specifically, the utility model discloses still include a heat pump system, heat pump system is including the evaporimeter 10 that is located condenser 8 of steam chest 7 and is located cooler bin 9, and condenser 8 and evaporimeter 10 are through two refrigerant pipeline 11 switch-ons, install expansion valve 12 and compression pump 13 on two refrigerant pipeline 11 respectively.

In this heat pump system, the condenser 8 cools the refrigerant in the refrigerant pipe 11, and therefore, a large amount of heat is released to the outside, and therefore, a large amount of heat is contained in the steam box 7, and the water in the steam box 7 is heated to steam, and at the same time, the evaporator 10 heats the refrigerant in the refrigerant pipe 11, and therefore, a large amount of heat is absorbed to the outside, and therefore, the temperature in the cooling box 9 is low, and the steam having adsorbed coal dust, which enters the cooling box 9 through the return pipe 16, is condensed into the sewage liquid, and in this embodiment, the operations of evaporating water and condensing the steam having adsorbed coal dust can be realized by one heat pump system, and the facility cost can be further saved.

Preferably, the condenser 8 and the evaporator 10 are a submerged condenser and a submerged evaporator, respectively.

Preferably, a supplementary water pipe 14 for injecting water into the steam box 7 is connected to an upper portion of the steam box 7, water can be continuously supplemented into the steam box 7 through the supplementary water pipe 14, a drain pipe 18 is connected to a lower portion of the cooling box 9, and steam is condensed into sewage and then discharged through the drain pipe 18.

Preferably, one side of the dust falling bin 2 close to the coal feeding end is communicated with a coal chute 3, and the outlet end of the coal chute 3 is positioned above the belt conveyor 1, so that raw coal can conveniently enter the belt conveyor 1 through the coal chute 3.

Preferably, the steam pipe 4 is provided with at least two layers, i.e., an upper layer and a lower layer, which are communicated with each other, as shown in fig. 1, in the present embodiment, the steam pipe 4 is provided with two layers, so that the distribution effect of the steam after overflowing into the dustfall bin 2 is improved.

Preferably, one side of the dust falling bin 2 close to the coal outlet end is connected with a dust falling curtain 21 made of a flexible material, so that the overflow amount of coal dust at the coal outlet end of the dust falling bin 2 is reduced.

Example 2:

on the basis of embodiment 1, as shown in fig. 2, the utility model further comprises a lifting mechanism installed on the dust falling bin 2 and capable of lifting relative to the upper surface of the belt conveyor 1, preferably, the lifting mechanism is an electric telescopic rod 19, an infrared sensor 20 is installed at the movable end of the lifting mechanism, raw coal is transported on the belt conveyor 1, when the raw coal passes through the infrared sensor 20, the infrared sensor 20 detects that raw coal is on the belt conveyor 1 at a certain distance, the infrared sensor 20 transmits a signal to the heat pump system, the heat pump system is started to start dust falling operation, similarly, when no raw coal is transported on the belt conveyor 1, the infrared sensor 20 transmits a signal to the heat pump system and closes the heat pump system after detecting, thereby realizing the effect of automatically opening dust falling when coal exists in the belt conveyor 1, and automatically closing dust falling when coal does not exist in the belt conveyor 1, the electric telescopic rod 19 can adjust the height position of the infrared sensor 20, and the infrared sensor 20 can better detect the position information of the raw coal.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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.

Claims

1. The utility model provides a rubber belt conveyor carries coal operation dust device, includes rubber belt conveyor (1) and sets up dust falling storehouse (2) that advances the coal end outside at rubber belt conveyor (1), characterized by, dust falling storehouse (2) is last to be provided with steam box (7) that are used for generating steam and to be used for making gaseous cooling become cooling box (9) of liquid, is equipped with steam pipe (4) that have steam hole (5) in dust falling storehouse (2), and steam pipe (4) are put through with steam box (7) through input tube (6), and the inside upside in dust falling storehouse (2) is equipped with the cover body (15) that are used for absorbing steam, and the cover body (15) are put through back flow (16) and cooling box (9) switch-on, and the switch-on has exhaust fan (17) on cooling box (9).

2. The coal-carrying dust-settling device of the belt conveyor as claimed in claim 1, further comprising a heat pump system, wherein the heat pump system comprises a condenser (8) located in the steam box (7) and an evaporator (10) located in the cooling box (9), the condenser (8) and the evaporator (10) are communicated through two refrigerant pipelines (11), and an expansion valve (12) and a compression pump (13) are respectively mounted on the two refrigerant pipelines (11).

3. The belt conveyor coal-carrying operation dust-settling device as claimed in claim 2, wherein the condenser (8) and the evaporator (10) are respectively a submerged condenser and a submerged evaporator.

4. The coal-carrying dust-settling device of the belt conveyor as claimed in claim 2, wherein the upper part of the steam box (7) is communicated with a supplementary water pipe (14) for injecting water into the steam box (7), and the lower part of the cooling box (9) is communicated with a drain pipe (18).

5. The coal-carrying dust-settling device of the belt conveyor as claimed in claim 1, wherein a coal chute (3) is communicated with one side of the dust-settling bin (2) close to the coal inlet end, and the outlet end of the coal chute (3) is positioned above the belt conveyor (1).

6. The belt conveyor coal-carrying operation dust-settling device as claimed in any one of claims 1 to 5, wherein the steam pipe (4) is provided with at least an upper layer and a lower layer which are communicated with each other.

7. The coal-carrying dust-settling device of the belt conveyor as claimed in any one of claims 1 to 5, wherein a dust-settling curtain (21) made of flexible material is connected to one side of the dust-settling bin (2) close to the coal outlet end.

8. The coal-carrying dust-settling device of the belt conveyor according to any one of claims 1 to 5, further comprising a lifting mechanism which is arranged on the dust-settling bin (2) and can lift relative to the upper surface of the belt conveyor (1), wherein an infrared sensor (20) is arranged at the movable end of the lifting mechanism.

9. The coal-carrying dust-settling device for the belt conveyor as claimed in claim 8, wherein the lifting mechanism is an electric telescopic rod (19).