CN203111846U - Steel plate warehouse for storing coal - Google Patents

Abstract

The utility model provides a steel plate warehouse for storing coal. The steel plate warehouse for storing the coal comprises a barrel-shaped warehouse body formed by connecting a steel plate warehouse wall in a welding mode or a bolted mode, a warehouse top and a warehouse bottom. The warehouse top is arc-shaped, and a breathing hole, a carbon monoxide detector, a radar material level meter, a dust remover and an induced draft fan are arranged on the upper portion of the warehouse top. The warehouse bottom is provided with a plurality of taper hoppers, wherein the bottom of each taper hopper is provided with a discharge outlet, and a loosening device is installed one meter above the discharge outlet and is fixedly connected with the taper hopper. The outer wall of the steel plate warehouse wall is further provided with a heat-insulative layer fixedly connected with the steel plate warehouse wall. The upper portion of the warehouse bottom is provided with a ventilating pipe coiled to be circular, and the lower portion of the ventilating pipe is provided with a plurality of ventilating holes. The steel plate warehouse for storing the coal is simple in structure and stable in warehouse body, can preserve heat, avoids frozen interior coal or interior coal spontaneous combustion, reduces coal-storing consumption, can increase emptying rates of the warehouse, and reduces basic investment costs.

Description

A steel plate warehouse for coal storage

Technical field:

The utility model relates to the technical field of storage, in particular to a coal storage steel plate warehouse.

Background technique:

At present, for coal storage, open-air storage or warehouse storage is mostly used in China. Coal piles in coal yards are the main form of coal storage in domestic coking plants, but there are many disadvantages, such as large coal storage areas in coal yards; Influenced by natural factors such as blowing and raining, heat loss will inevitably occur; coal storage in the coal yard pollutes the surrounding environment greatly, coal dust raised by the wind pollutes the air and the environment, accumulated water is discharged outside after the rain pollutes the water body, and waste water treatment It is difficult, and it is easy to cause coal mixing and coal collapse, which is not conducive to the coal blending work; the closed coal bunker in the form of a large-diameter silo is the development direction of coal storage in thermal power plants and coal washing plants. The method is simple, the system scheduling is flexible, it will not affect the environment, and it is beneficial to reduce the loss of coal storage. However, the coal bunkers currently in practical use are mostly vertical silos with reinforced concrete structures, but there are also many shortcomings. For example, the construction period is long, the investment in building the warehouse is high, and the waste of the warehouse will pollute the environment. Therefore, it is necessary to improve and optimize the original warehouse body, which is not conducive to the construction and practical application of personnel. Due to the various disadvantages of reinforced concrete silos, there is an urgent need for a silo with a simple structure, a stable silo body, heat insulation, and heat preservation to prevent internal coal from freezing or spontaneous combustion; reduce coal storage loss, and can increase the storage space in the silo. Unloading rate, a kind of coal storage steel plate warehouse that reduces the basic investment cost.

Invention content:

The purpose of this utility model is to overcome the shortcomings in the prior art, to provide a simple structure, stable warehouse, heat insulation, to prevent internal coal freezing or spontaneous combustion; reduce coal storage loss, and can increase the size of the warehouse A kind of coal storage steel plate warehouse with high unloading rate and reduced basic investment cost.

In order to achieve the above purpose, the utility model provides a coal storage steel silo, which includes a cylindrical silo body, a silo roof and a silo bottom formed by welding or bolting the walls of the steel silo, wherein the silo roof is arc-shaped, The upper part of the warehouse roof is provided with a breathing hole, a carbon monoxide detector, a radar level gauge, a dust collector, and an induced draft fan. The carbon monoxide detector, the dust collector, and the induced draft fan are fixedly installed on the outer surface of the warehouse roof. The radar level gauge is fixedly installed on the inner surface of the warehouse roof, and the breathing hole passes through the warehouse roof to connect the interior of the warehouse body with the outside world, and the warehouse roof, the warehouse bottom and the warehouse body fixed connection between.

A plurality of cone buckets are arranged on the bottom of the warehouse, and a discharge port is provided at the bottom of the cone bucket, and a loosening device is installed one meter above the discharge port, and the loosening device is fixedly connected with the cone bucket.

A heat insulating layer is further provided on the outer wall of the steel plate warehouse wall, and the heat insulating layer is fixedly connected with the steel plate warehouse wall.

The upper part of the bottom of the warehouse is provided with a ventilation pipe, and the ventilation pipe is coiled into a circle at the upper part of the bottom of the warehouse. The through hole and the ventilation pipe are integrally formed during manufacture, and the ventilation pipe is fixedly connected to the bottom of the warehouse.

The loosening device is an air cannon or a fluidization device.

The heat insulation layer is a color steel composite insulation board.

The breathing hole is installed on the top of the warehouse roof, and connects the inside of the warehouse with the outside world, so as to balance the pressure inside and outside the warehouse

A carbon monoxide detector is installed on the top of the warehouse to timely detect the carbon monoxide concentration in the warehouse. When the set safe concentration limit is reached, the instrument will automatically alarm. At this time, the ventilation system needs to be turned on for ventilation.

The radar level sensor is installed on the top of the silo and connected to the computer to monitor the height of coal stored in the silo.

The dust collector is installed on the top of the warehouse, and it is turned on when coal is fed in to prevent coal powder from flying out of the warehouse and affecting the environmental sanitation of the factory area.

The induced draft fan and ventilation pipe form a ventilation system. When the concentration of carbon monoxide and methane in the warehouse is higher than the safe concentration, it will be opened. The ventilation pipe is around the bottom of the warehouse and the bottom of the warehouse is opened. The high-pressure fan is used to supply air to prevent the retention of combustible gas. library, causing spontaneous combustion.

The roof structure of the warehouse adopts a circular arc-shaped conical top. From the structural point of view, the arc-shaped top has a stronger load-bearing capacity than the flat top and cone top, and the warehouse body is more stable.

The material of the heat insulation layer is color steel composite heat preservation system. The heat insulation layer is used to prevent heat exchange inside and outside the warehouse, to prevent the coal from freezing when the temperature is too low, and to cause spontaneous combustion when the temperature is too high.

The loosening device is installed at the bottom 1 meter away from the discharge port. Each cone bucket is equipped with multiple air cannons or loosening machines diagonally. function to ensure smooth coal discharge.

The bottom of the silo is double-corridor and four-point feeding, and the method of multi-corridor and multi-point feeding can also be adopted, which reduces the height of the coal bin cone, increases the emptying rate in the bin, and reduces the basic investment cost of. The so-called four-point feeding means that four cone buckets are set at the bottom of the bin, and the bottom of the cone bucket is set with a discharge port, a total of four discharge ports.

The utility model has the advantages of simple structure, stable warehouse body, heat insulation and heat preservation, preventing internal coal freezing or spontaneous combustion; reducing coal storage loss, increasing the emptying rate in the warehouse, and reducing basic investment costs. Specifically:

The warehouse body is connected by steel plate welding or bolt device, and the warehouse roof adopts a circular arc cone roof. From the structural point of view, the arc roof has a stronger bearing capacity than the flat roof and the cone roof, and the warehouse body is more stable; the outer wall of the warehouse is covered with a layer of color steel composite. The heat preservation system plays the role of heat insulation to prevent the internal coal from freezing or spontaneous combustion; in order to reduce the height of the coal bin cone, the bin body cone adopts the method of multi-corridor and multi-point feeding, which increases the emptying rate in the bin , which reduces the cost of basic investment; ventilation ducts are installed around the inner side of the warehouse at the bottom of the warehouse, and induced draft fans are installed on the top of the warehouse, which are turned on during ventilation in the warehouse to prevent carbon monoxide and methane from staying in the warehouse and leaving potential safety hazards. Compared with nitrogen filling The protection of investment is more economical; the bottom of each cone bucket is 1 meter away from the discharge port , and an air cannon or a fluidization device is installed, which is opened when the coal is arched, and plays the role of breaking the arch; the top of the coal bunker is installed with a plug-in dust collector, It is activated when feeding materials to prevent the pulverized coal from flying; a breathing hole, a carbon monoxide detector and a material level sensor are also installed on the top of the warehouse. The breathing hole plays the role of balancing the pressure between the outside world and the warehouse. When the safe concentration is exceeded, it will automatically alarm. The material level gauge is used to monitor the height of coal stored in the warehouse, which is beneficial to the operation of entering and exiting the warehouse. When the coal is fed, the dust collector is turned on, and the radar level gauge monitors the height of the coal in the bin. When the feeding is over, the dust collector is turned off. During the storage period, when the concentration of carbon monoxide in the warehouse is higher than the safe concentration value, the carbon monoxide detector will automatically alarm, and the staff can open the ventilation system in the warehouse for ventilation, reduce the concentration of carbon monoxide in the warehouse, and close the ventilation system after it is reduced to a safe concentration ; When the coal is out of the warehouse, if it is found that the silo is arched and no material is discharged, the air cannon or fluidization device is correspondingly activated to break the arch, so that the coal can be discharged smoothly.

Description of drawings:

Fig. 1 is a sectional view of the utility model.

Fig. 2 is a bottom view of the ventilation pipe of the present invention.

Fig. 3 is a plan view of the bottom of the warehouse of the present invention.

Drawing logo:

1. Breathing hole 2. Carbon monoxide detector 3. Radar level sensor

4. Dust collector 5. Induced fan 6. Warehouse roof.

7. Warehouse body 8. Insulation layer 9. Ventilation pipe.

10. Loosening device 11. Warehouse bottom 12. Through hole

13. Outlet

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is described.

As shown in Figures 1-3, Figure 1 is a cross-sectional view of the utility model. Fig. 2 is a bottom view of the ventilation pipe of the present invention. Fig. 3 is a plan view of the bottom of the warehouse of the present invention.

The utility model includes a cylindrical warehouse body 7 welded or bolted by steel plate warehouse walls, a warehouse roof 6 and a warehouse bottom 11, wherein the warehouse roof 6 is arc-shaped, and the upper part of the warehouse roof 6 is provided with a breathing hole 1, a carbon monoxide detection 2, radar level gauge 3, dust collector 4 and induced draft fan 5, carbon monoxide detector 2, dust collector 4, induced draft fan 5 are fixedly installed on the outer surface of the warehouse roof 6, and radar level gauge 3 is fixedly installed on the warehouse On the inner surface of the top 6, the breathing hole 1 passes through the top 6 so that the interior of the bin body 7 communicates with the outside world, and the top 6, the bottom 11 of the bin and the body 7 are fixedly connected. The bottom of the warehouse 11 is provided with some cone buckets, the bottom of the cone bucket is provided with a discharge port 13, and a loosening device 10 is installed one meter above the discharge port 13, and is fixedly connected between the loosening device 10 and the cone bucket. A heat insulating layer 8 is further arranged on the outer wall of the steel plate warehouse wall, and the heat insulating layer 8 is fixedly connected with the steel plate warehouse wall. The upper part of the warehouse bottom 11 is provided with a ventilation pipe 9, and the ventilation pipe 9 is coiled into a circle at the top of the warehouse bottom 11. The hole 12 and the ventilation pipe 9 are integrally formed during manufacture, and the ventilation pipe 9 is fixedly connected with the bottom 11 of the warehouse. The loosening device 10 is an air cannon or a fluidizing device. The heat insulation layer 8 is a color steel composite insulation board.

The utility model has the advantages of simple structure, stable warehouse body, heat insulation and heat preservation, preventing internal coal freezing or spontaneous combustion; reducing coal storage loss, increasing the emptying rate in the warehouse, and reducing basic investment costs. The body is connected by steel plate welding or bolt installation, and the roof of the warehouse adopts a circular arc cone roof. From the structural point of view, the arc roof has a stronger bearing capacity than the flat roof and the cone roof, and the warehouse body is more stable; the outer wall of the warehouse is covered with a layer of color steel composite insulation The system plays the role of heat insulation to prevent the internal coal from freezing or spontaneous combustion; in order to reduce the height of the coal bin cone, the bin body cone adopts the method of multi-corridor and multi-point feeding, which increases the emptying rate in the bin. The cost of basic investment is reduced; ventilation ducts are installed around the inner side of the warehouse at the bottom of the warehouse, and induced draft fans are installed on the top of the warehouse, which are turned on when the warehouse is ventilated to prevent carbon monoxide and methane from staying in the warehouse and leaving potential safety hazards. Compared with nitrogen filling protection Save investment; install an air cannon or a fluidization device at the bottom of each cone bucket 1 meter away from the discharge port, and open it when the coal arches, and play the role of breaking the arch; install a plug-in dust collector on the top of the coal bunker. Start when feeding to prevent coal powder from flying; breathing holes, carbon monoxide detectors and material level indicators are also installed on the top of the warehouse. The breathing holes play a role in balancing the pressure between the outside world and the warehouse. When the concentration is safe, it will automatically alarm. The material level gauge is used to monitor the height of coal stored in the warehouse, which is beneficial to the operation of entering and exiting the warehouse. When the coal is fed, the dust collector is turned on, and the radar level gauge monitors the height of the coal in the bin. When the feeding is over, the dust collector is turned off. During the storage period, when the concentration of carbon monoxide in the warehouse is higher than the safe concentration value, the carbon monoxide detector will automatically alarm, and the staff can open the ventilation system in the warehouse for ventilation, reduce the concentration of carbon monoxide in the warehouse, and close the ventilation system after it is reduced to a safe concentration ; When the coal is out of the warehouse, if it is found that the silo is arched and no material is discharged, the air cannon or fluidization device is correspondingly activated to break the arch, so that the coal can be discharged smoothly.

Claims (5)

1. a coal stores the steel plate storehouse, the warehouse that comprises the tubular that is formed by connecting by the welding of steel plate storehouse wall or bolt, at the bottom of Cang Ding and the storehouse, it is characterized in that, described Cang Ding is arcuation, described Cang Ding top is provided with spiracle, carbon monoxide detector, the radar type level-sensing device, dust exhaustor and induced draft fan, described carbon monoxide detector, described dust exhaustor, described induced draft fan is fixedly mounted on the outside face of Cang Ding, described radar type level-sensing device is fixedly mounted on the inside face of described Cang Ding, described spiracle makes warehouse inside be connected described Cang Ding with the external world after passing Cang Ding, captive joint at the bottom of the described storehouse with between the described warehouse.

2. store the steel plate storehouse according to the described coal of claim 1, it is characterized in that be provided with some awl buckets at the bottom of the described storehouse, the bottom of described awl bucket is provided with discharging opening, one meter, the top of discharging opening is equipped with loose device, captives joint between described loose device and the described awl bucket.

3. store the steel plate storehouse according to the described coal of claim 1, it is characterized in that, further be provided with thermal insulation layer on the outer wall of described steel plate storehouse wall, captive joint between described thermal insulation layer and the described steel plate storehouse wall.

4. store the steel plate storehouse according to the arbitrary described coal of claim 1-3, it is characterized in that, top at the bottom of the described storehouse is provided with breather pipe, described breather pipe is upper disc coiled circle shape at the bottom of the storehouse, described breather pipe is positioned at the inside of warehouse, the wall of the bottom of described breather pipe is provided with some open-works, and described open-work and described breather pipe are one-body molded during fabrication, described breather pipe with at the bottom of the described storehouse between captive joint.

5. according to right Requirement2 described coals store the steel plate storehouse, it is characterized in that described loose device is air bubble.

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