CN115182633A

CN115182633A - Totally-enclosed coal shed with prestressed truss structure

Info

Publication number: CN115182633A
Application number: CN202210643120.8A
Authority: CN
Inventors: 王彦博; 王海彬; 王越; 李杨; 王刚
Original assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Current assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-14

Abstract

The invention discloses a fully-closed coal shed with a prestressed truss structure, and relates to the field of coal sheds. The dust collector comprises a coal shed main body, dust collecting chambers are arranged on two sides of the coal shed main body, and a trolley is arranged in each dust collecting chamber.

Description

Totally-enclosed coal shed with prestressed truss structure

Technical Field

The invention relates to the field of coal sheds, in particular to a fully-closed coal shed with a prestressed truss structure.

Background

At present, although a part of dry coal sheds are arranged in a coal yard and a spraying device is arranged in the dry coal sheds, the dry coal sheds and the semi-closed dry coal sheds can only play a part in reducing dust pollution in the coal yard, stored coal in the coal yard is still greatly influenced by environmental climate, the dry coal sheds and the semi-closed dry coal sheds can play a role in storing coal yards and preventing coal from being drenched in rainy and snowy days, in the operation process of a thermal power plant, the problem of dust raising of the coal yard is more and more concerned, the closed coal sheds are urgently needed to be arranged in the coal yard, and the flying of coal dust is fully inhibited so as to avoid polluting the surrounding environment.

According to the retrieval discovery, chinese patent that patent number is CN202121480933.7 discloses a totally closed coal canopy of prestressing force truss structure, and it includes the coal canopy main part through technical characteristics, the coal canopy main part includes domes of domes, the both ends of lid shell have arch opening, both ends around the opening part is provided with the gable of the domes of looks adaptation, so that the lid shell with the gable encloses into the enclosure space that is used for storing coal, the gable sets up to the truss structure, lid shell upper end inside wall is provided with a plurality of inlet tubes, and is a plurality of the inlet tube with the inside wall laminating setting of lid shell, a plurality of the intercommunication has the shower nozzle on the inlet tube, the shower nozzle sets up to the atomizer, the lateral wall of lid shell is provided with the air-blower, the air outlet intercommunication of air-blower has the device of subsiding, the device can with fly ash in the coal canopy main part is collected and is the solid, reaches the mesh that the truss internal force distributes and tends to even, can totally close the coal canopy, is favorable to the environmental protection.

In view of the above-mentioned disclosure, the applicant believes that dust can be generated when coal is transported in a coal shed, workers are in the environment of coal dust, and the health of the workers can be affected.

Disclosure of Invention

Based on the above, the invention aims to provide a fully-closed coal shed with a prestressed truss structure, so as to solve the technical problems.

In order to achieve the purpose, the invention provides the following technical scheme: the totally-enclosed coal shed with the prestress truss structure comprises a coal shed main body, dust collecting chambers are arranged on two sides of the coal shed main body, a trolley is arranged inside each dust collecting chamber, a dust collecting box is placed on the trolley, a dust remover is installed between each dust collecting chamber and the coal shed main body, the air outlet end of each dust remover is connected with the dust collecting box through a connecting pipe, at least one wagon balance is installed at the front end of the coal shed main body, and a weighing type conveying belt is installed at the rear end of the coal shed main body.

Through adopting above-mentioned technical scheme, the dust remover is located the lateral wall of coal canopy main part, the staff opens the dust remover, position shape negative pressure near the lateral wall in coal canopy main part, when staff's operation in-process produces the buggy raise dust, the raise dust is under the effect of dust remover, move to coal canopy main part both sides and get into the dust remover by the dust cage, connecting pipe through the dust remover rear end gets into in the dust collection box, this kind of mode can be siphoned away a large amount of buggy raise dust, can keep the operational environment of coal canopy main part intermediate position, be favorable to the staff healthy.

Further, the truss is installed through the stand in the top of coal canopy main part, the draught zone is installed to the top both sides of truss, combustible gas detector, dust concentration sensor and audible-visual annunciator are installed respectively to the inside top intermediate position department of truss, the coal pile has been placed to the inside of coal canopy main part.

Through adopting above-mentioned technical scheme, when the combustible gas detector detected combustible gas concentration great, ventilation zone and shutter were opened to the staff, made the inside ventilation of coal canopy main part to warn through audible-visual annunciator, remind the staff to withdraw earlier.

Furthermore, a movable plate is movably arranged on one side of the dust collection box, and an air outlet is arranged on one side of the top of the dust collection box.

By adopting the technical scheme, the dust collection box is connected with the movable plate through the hinge, the worker can discharge the coal dust through the movable plate, and the air outlet is used for discharging the gas sucked by the dust remover,

Further, a plurality of atomising heads are installed to the inboard of truss, and the atomising head is the even arrangement of rectangle array form, and a plurality of atomising heads are provided with a plurality of rows simultaneously, and a water pipe is connected to a atomising head, the water source is connected to the other end of water pipe.

Through adopting above-mentioned technical scheme, when the buggy raise dust in the coal canopy main part is more, the staff can open the atomising head, passes through high-pressure atomizing with water, fully increases the area of contact with the dust granule, and the water smoke granule collides with the dust granule and condenses, forms the reunion, and the reunion constantly grow becomes heavy, subsides naturally until last.

Further, the stand is stainless steel material, and a plurality of stands divide into four rows, and every two is listed as a set of, installs the shutter between every group stand, the shutter is electric control.

Furthermore, a movable door is installed on the outer side of the dust collection chamber, self-locking wheels are installed at the bottom of the trolley and distributed at four corners of the bottom of the trolley, and the dust collection box is placed on the trolley in a gravity mode.

Furthermore, the dust collection box is detachably connected with the connecting pipe, and one end of the connecting pipe, which is close to the dust collection box, is of a telescopic pipe structure.

Through adopting above-mentioned technical scheme, make things convenient for the staff to install and dismantle, the convenience removes dust collection box.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, the dust remover is arranged on the coal shed main body, the air outlet end of the dust remover is connected with the dust collection box in the dust collection chamber, the dust remover is arranged on the side wall of the coal shed main body, when the dust remover works at ordinary times, a worker opens the dust remover, negative pressure is formed at the position of the coal shed main body close to the side wall, when coal dust flying dust is generated in the operation process of the worker, the flying dust moves to two sides of the coal shed main body under the action of the dust remover and enters the dust remover through the dust collection cover, and enters the dust collection box through the connecting pipe at the rear end of the dust remover, so that a large amount of coal dust flying dust can be sucked away, as the flying dust contains a large amount of coal dust, the flying dust can be secondarily utilized and filtered, the coal dust can be used for combustion, the flying dust can be mixed with the coal ash to prepare concrete, meanwhile, the operation environment at the middle position of the coal shed main body can be kept, the health of the worker is beneficial to the health of the worker, and when the coal dust falling dust is large, the flying dust can be carried out by matching with the atomizer to carry out the dust settling treatment, so that the dust falling effect is good;

2. the invention can record the total amount of coal in real time by installing the weighbridge at the front end of the coal shed main body and installing the weighing type conveying belt at the rear end, the weighbridge can record the weight of the entering coal, the front end and the rear end of the weighing type conveying belt are respectively provided with the front channel weighing device and the rear channel weighing device, a material weight signal and a belt running speed signal on the belt are transmitted into the on-site integrating device, the weight signal is converted into a digital quantity through AD inside the on-site integrating device, the weight signal is scaled and converted into a weight value by a built-in single chip computer, the on-site integrating device is internally provided with a communication function, a display is connected with the on-site integrating device to realize the display and the printing of data, and the display receives the operation of a user through a keyboard and sends a request to the integrating device to complete the functions of parameter setting, calibration, inspection and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the coal shed main body according to the present invention;

FIG. 3 is a schematic view of the dust collecting chamber of the present invention in a partial cross-section;

FIG. 4 is a schematic top sectional view of the coal shed main body according to the present invention.

In the figure: 1. a coal shed body; 2. a dust collecting chamber; 201. a movable door; 202. a dust collection box; 203. a trolley; 204. a dust remover; 205. a connecting pipe; 206. a movable plate; 207. an air outlet; 208. a dust collection cover; 3. a wagon balance; 4. a truss; 5. a ventilation zone; 6. a column; 7. a water pipe; 8. a weighing type conveying belt; 9. a blind window; 10. a combustible gas detector; 11. a dust concentration sensor; 12. an audible and visual alarm; 13. and a spray head.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A prestressed truss structure totally-enclosed coal shed, as shown in figures 1, 2, 3 and 4, comprises a coal shed main body 1, dust collecting chambers 2 are arranged on two sides of the coal shed main body 1;

specifically, a trolley 203 is arranged inside the dust collection chamber 2, a dust collection box 202 is placed on the trolley 203, a dust collector 204 is installed between the dust collection chamber 2 and the coal shed main body 1, an air outlet end of the dust collector 204 is connected with the dust collection box 202 through a connecting pipe 205, a movable plate 206 is movably arranged on one side of the dust collection box 202, an air outlet 207 is arranged on one side of the top of the dust collection box 202 and is of a filter screen structure, the dust collection box 202 is connected with the movable plate 206 through a hinge, a worker can discharge coal dust through the movable plate 206, the air outlet is used for discharging air sucked by the dust collector 204, at least one wagon balance 3 is installed at the front end of the coal shed main body 1, a weighing type conveying belt 8 is installed at the rear end of the coal shed main body 1, the dust collector is located on the side wall of the coal shed main body, the worker opens the dust collector 204, negative pressure is formed at a position close to the side wall of the coal shed main body 1, when coal dust is generated in the operation process of the coal shed main body, the coal shed moves to two sides of the coal shed main body 1 and enters the dust collector 204 through the connecting pipe 208, and the dust collection box can keep a large amount of coal dust collection box 202 in a healthy environment.

Referring to fig. 1, 2, 3 and 4, in the embodiment, a truss 4 is installed on the top of a coal shed main body 1 through an upright post 6, ventilating belts 5 are installed on two sides of the top of the truss 4, a combustible gas detector 10, a dust concentration sensor 11 and an audible and visual alarm 12 are respectively installed at the middle position above the inside of the truss 4, a coal pile is placed inside the coal shed main body 1, the upright posts 6 are made of stainless steel, the upright posts 6 are divided into four rows, each two rows form a group, a louver 9 is installed between every two upright posts 6, and the louver 9 is electrically controlled. When the combustible gas detector 10 detects that the concentration of the combustible gas is high, the worker opens the ventilation belt 5 and the shutters to ventilate the interior of the coal shed main body 1, and the audible and visual alarm 12 gives an alarm to remind the worker of evacuating the coal shed.

In another embodiment, the combustible gas detector 10, the dust concentration sensor 11 and the audible and visual alarm 12 may be installed on the side wall of the coal shed main body 1, so that the combustible gas and dust can be detected more accurately.

Please refer to fig. 1, 2, 4, a plurality of atomising heads 13 are installed to truss 4's inboard, and atomising head 13 is the even arrangement of rectangle array form, a plurality of atomising heads 13 are provided with a plurality of rows simultaneously, a water pipe 7 is connected to 13 a row of atomising heads, the water source is connected to the other end of water pipe 7, when the buggy raise dust in coal canopy main part 1 is more, the staff can open atomising head 13, pass through high pressure atomizing with water, fully increase and the area of contact of dust granule, water smoke granule and dust granule collision and condensation form the agglomeration, the constantly grow weight of agglomeration, until final natural settling.

Referring to fig. 1, 2 and 3, a movable door 201 is installed at the outer side of a dust collection chamber 2, a self-locking wheel is installed at the bottom of a small cart 203, the self-locking wheel is distributed at four corners of the bottom of the small cart 203, the dust collection box 202 is placed on the small cart 203 in a gravity mode, the dust collection box 202 is detachably connected with a connecting pipe 205, one end of the connecting pipe 205 close to the dust collection box 202 is of a telescopic pipe structure, a rotatable threaded sleeve is installed at the top of the dust collection box 202, the diameter of the connecting pipe 205 is smaller than that of the threaded sleeve, and the telescopic pipe at one end of the connecting pipe 205 is detachably connected with the threaded sleeve at the top of the dust collection box 202 through threads, so that a worker can conveniently install and detach the dust collection box 202 and move the dust collection box.

Specifically, at least one wagon balance 3 is installed at the front end of the coal shed main body 1, and a weighing type conveying belt 8 is installed at the rear end of the coal shed main body 1.

The implementation principle of the embodiment is as follows: firstly, a coal shed main body 1 is installed, when coal is put in a warehouse, a coal car is weighed by a weighbridge 3, and a controller in the weighbridge 3 can record the mass of the coal;

when the coal shed is in normal work, a worker opens the dust remover 204, negative pressure is formed at the position, close to the side wall, of the coal shed main body 1, when coal dust is generated in the operation process of the worker, the coal dust moves to the two sides of the coal shed main body 1 under the action of the dust remover 204, enters the dust remover 204 through the dust collection cover 208, and enters the dust collection box 202 through the connecting pipe 205 at the rear end of the dust remover 204, and a large amount of coal dust can be absorbed by the mode, so that the operation environment of the middle position of the coal shed main body can be maintained;

when the dust of the coal dust is large, the dust-settling treatment can be carried out on the coal dust by matching with a spraying mechanism, and the dust-settling effect is good;

when the coal is transported, the weighing type conveying belt 8 can calculate the output quantity of the coal, and then the quantity of the stored coal can be obtained.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. The utility model provides a totally closed coal canopy of prestressing force truss structure, includes coal canopy main part (1), its characterized in that: the coal shed is characterized in that dust collecting chambers (2) are arranged on two sides of the coal shed main body (1), a trolley (203) is arranged inside the dust collecting chambers (2), a dust collecting box (202) is placed on the trolley (203), a dust remover (204) is installed between the dust collecting chambers (2) and the coal shed main body (1), the air outlet end of the dust remover (204) is connected with the dust collecting box (202) through a connecting pipe (205), at least one wagon balance (3) is installed at the front end of the coal shed main body (1), and weighing type conveying belts (8) are installed at the rear end of the coal shed main body (1).

2. The totally-enclosed coal shed with the prestressed truss structure as claimed in claim 1, wherein: truss (4) are installed through stand (6) at the top of coal canopy main part (1), draught zone (5) are installed to the top both sides of truss (4), combustible gas detector (10), dust concentration sensor (11) and audible-visual annunciator (12) are installed respectively to the inside top intermediate position department of truss (4), the coal pile has been placed to the inside of coal canopy main part (1).

3. The totally-enclosed coal shed with the prestressed truss structure as claimed in claim 1, wherein: a movable plate (206) is movably arranged on one side of the dust collection box (202), and an air outlet (207) is arranged on one side of the top of the dust collection box (202).

4. The totally-enclosed coal shed with the prestressed truss structure as claimed in claim 2, wherein: a plurality of atomising heads (13) are installed to the inboard of truss (4), and atomising head (13) are the rectangle array form and evenly arrange, and a plurality of atomising heads (13) are provided with a plurality of rows simultaneously, are connected a water pipe (7) in atomising head (13), the water source is connected to the other end of water pipe (7).

5. The totally-enclosed coal shed with the prestressed truss structure as claimed in claim 2, wherein: the stand (6) are stainless steel material, and a plurality of stand (6) divide into four rows, and every two are listed as a set of, install shutter (9) between every group stand (6), shutter (9) are electric control.

6. The totally-enclosed coal shed with the prestressed truss structure as claimed in claim 1, wherein: the dust collection box is characterized in that a movable door (201) is installed on the outer side of the dust collection chamber (2), self-locking wheels are installed at the bottom of the trolley (203), the self-locking wheels are distributed at four corners of the bottom of the trolley (203), and the dust collection box (202) is placed on the trolley (203) in a gravity mode.

7. The totally-enclosed coal shed with the prestressed truss structure as claimed in claim 6, wherein: the dust collection box (202) is detachably connected with the connecting pipe (205), and one end, close to the dust collection box (202), of the connecting pipe (205) is of a telescopic pipe structure.