CN215176835U

CN215176835U - Blast furnace for treating solid waste resource and recycling

Info

Publication number: CN215176835U
Application number: CN202121611237.5U
Authority: CN
Inventors: 韦刚毅; 黄林生; 邓华进; 邓炜枢
Original assignee: Guangdong Daizheng Technology Co ltd
Current assignee: Guangdong Daizheng Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-14
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a handle solid waste resource regeneration's blast furnace, including blast furnace body and water tank, the top of blast furnace body is provided with the workbin in advance, one side of workbin is provided with the stirring structure in advance, the one end of stirring structure runs through the workbin in advance, the top of blast furnace body is provided with the blast pipe, the other end of blast pipe runs through the water tank and extends to the outside of water tank. The utility model discloses a drying structure and stirring structure mutually support and add the thermal drying to the preliminary material in expecting the case, reduce the inside preliminary treatment of follow-up blast furnace body and to the energy of raw materials stoving consumption, further optimize manufacturing procedure to reach from this and utilize the inside waste heat resource of high temperature flue gas, quick lime filter plate can react with vapor normal water, get rid of the moisture in the vapor, and this reaction is exothermic reaction, can further improve the temperature of vapor, the principle of this reaction is: the calcium oxide is added with water in the steam to generate calcium hydroxide.

Description

Blast furnace for treating solid waste resource and recycling

Technical Field

The utility model belongs to the technical field of blast furnace equipment, more specifically say, it relates to a handle solid waste resource recycle's blast furnace.

Background

Blast furnaces are shaft furnaces in metallurgical plants. Blast furnaces are vertical furnaces which melt metal-containing materials, such as ores, agglomerates, pellets or waste metal wastes, with air or oxygen-enriched air blown into them to obtain matte or crude metal.

Through retrieval, the Chinese patent discloses a blast furnace (publication number is CN111850315A) for copper-containing waste reduction smelting, the technology of the patent accepts high-temperature flue gas led out from a flue gas inlet pipe through a waste heat treatment mechanism, the waste heat in the high-temperature flue gas penetrates through a heating curved pipe in the waste heat treatment mechanism to heat cold water in a cooling water tank to generate steam, the steam is led into a heating cavity arranged between a heating jacket box and a pre-hopper through a steam inlet pipe to further carry out heat drying on raw materials placed in the pre-hopper in advance, the energy consumed by the subsequent pretreatment in the blast furnace body for drying the raw materials is reduced, the processing procedures are further optimized, and therefore the utilization of waste heat resources in the high-temperature flue gas is achieved, but the water content in the steam is higher, the untreated steam directly preheats the raw materials, the preheating effect is poor, and the steam directly led into the pre-hopper can not fully contact with the raw materials, which causes non-uniform preheating, and therefore, those skilled in the art have provided a blast furnace for treating solid waste resources for recycling, so as to solve the problems presented in the background art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a handle solid waste resource recycle's blast furnace, drying structure and stirring structure mutually support and add the thermal drying to the preliminary material in expecting the case, reduce the inside preliminary treatment of follow-up blast furnace body and to the energy of raw materials stoving consumption, further optimize manufacturing procedure, and reach from this and utilize the inside waste heat resource of high temperature flue gas, quick lime filter plate can react with vapor normal water, get rid of the moisture in the vapor, and this reaction is exothermic reaction, can further improve the temperature of vapor, the principle of this reaction is: the calcium oxide is added with water in the steam to generate calcium hydroxide.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a blast furnace for processing solid waste resources for recycling comprises a blast furnace body and a water tank, wherein a pre-charging box is arranged at the top end of the blast furnace body, a stirring structure is arranged on one side of the pre-charging box, one end of the stirring structure penetrates through the pre-charging box, an exhaust pipe is arranged at the top end of the blast furnace body, the other end of the exhaust pipe penetrates through the water tank and extends to the outside of the water tank, a drying structure is arranged at the top end of the water tank, and the other end of the drying structure penetrates through the pre-charging box and the stirring structure;

through the technical scheme, the blast pipe discharges high-temperature flue gas in the blast furnace body to the outside, the middle end can stay in the water tank, the water in the water tank is heated while the high-temperature gas is cooled, and steam is generated, the mode enables the high-temperature gas to reach the temperature required by subsequent flue gas treatment equipment, the high-temperature gas can be directly discharged into the flue gas treatment device for treatment, the process of the flue gas treatment device is simplified, the working load of the flue gas treatment device is reduced, the steam generated in the water tank is treated by the drying structure and directly reaches the stirring structure, the drying structure and the stirring structure are matched with each other to heat and dry prepared materials in a predicted box, the energy consumed by drying the raw materials by preprocessing in the subsequent blast furnace body is reduced, the processing procedure is further optimized, and the utilization of waste heat resources in the high-temperature flue gas is achieved.

Furthermore, the drying structure comprises a drying frame, the drying frame is arranged at the top end of the water tank and communicated with the water tank, two filter screens are arranged on the inner wall of the drying frame, a detachable quick lime filter plate is arranged at the top end of the drying frame, and an exhaust fan is arranged on one side of the drying frame;

through above-mentioned technical scheme, start the exhaust fan, vapor can advance to go into dry frame, reacts with quick lime filter plate behind the filter screen, gets rid of the moisture in the vapor, and this reaction is exothermic reaction, can further improve the temperature of vapor, improves the drying effect of vapor to prepareeing material.

Furthermore, the stirring structure comprises a motor, the motor is installed on one side of the pre-feeding box, an output shaft of the motor penetrates through the pre-feeding box and is provided with a hollow transverse pipe, a hollow vertical pipe is arranged outside the transverse pipe, and one end of the exhaust fan penetrates through the inner wall of the transverse pipe;

through above-mentioned technical scheme, starter motor, motor drive simultaneously violently pipe and standpipe rotate, stir the material, and at the in-process of stirring, the exhaust fan can be with steam discharge to hollow violently pipe and standpipe in for steam and raw materials fully contact, and is better to the drying effect of preliminary material.

Furthermore, a sealing bearing is arranged on the inner wall of the transverse pipe, the inner edge of the sealing bearing is fixedly connected with the surface of the exhaust fan, and a one-way valve is arranged on the inner wall of the vertical pipe;

through above-mentioned technical scheme, under seal bearing's effect, the rotation that stirring structure can not be followed to the drainage fan is rotatory, and two kinds can better combine work, and the setting of check valve can avoid preparing the dust in the material in advance to get into in the stirring structure through hollow standpipe.

Furthermore, the middle part of the exhaust pipe is arranged inside the water tank, and the middle part of the exhaust pipe is bent and spirally distributed;

through above-mentioned technical scheme, the middle part is helical shape blast pipe can effectively increase the time that high temperature flue gas dwelled in the water tank, when making it can produce more vapor, has strengthened the cooling effect to high temperature gas.

Further, a liquid level sensor is arranged on the inner wall of the water tank, and a water pump is arranged on the surface of the water tank;

through above-mentioned technical scheme, level sensor can carry out real-time monitoring to the water level in the water tank, and when the water level was not enough, the water pump then carried the water of outside to the water tank in, avoided the water of water tank too little, and automatic interpolation, reduced intensity of labour.

To sum up, the utility model discloses following beneficial effect has:

1. drying structure and stirring structure mutually support and heat the drying to the preliminary material in expecting the case, reduce the inside preliminary treatment of follow-up blast furnace body and dry the energy of consumption to the raw materials, further optimize manufacturing procedure to reach from this and utilize the inside waste heat resource of high temperature flue gas, quick lime filter plate can react with vapor normal water, improves the drying effect of vapor to the preliminary material of prepareeing.

2. Through setting up level sensor and water pump, level sensor can carry out real-time monitoring to the water level in the water tank, and when the water level was not enough, the water pump then carries the water of outside to the water tank in, avoids the water of water tank too little, and automatic interpolation, reduces intensity of labour.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a sectional perspective view of the water tank of the present embodiment;

FIG. 3 is a sectional perspective view of the stirring structure of the present embodiment;

fig. 4 is an enlarged view at a in fig. 2.

Description of reference numerals: 1. a blast furnace body; 2. a pre-feeding box; 3. a stirring structure; 301. a motor; 302. a transverse tube; 303. a vertical tube; 304. a one-way valve; 305. sealing the bearing; 4. an exhaust pipe; 5. a water tank; 501. a liquid level sensor; 502. a water pump; 6. drying the structure; 601. drying the frame; 602. filtering with a screen; 603. a quicklime filter plate; 604. an exhaust fan.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-4.

A blast furnace for processing solid waste resources for recycling comprises a blast furnace body 1 and a water tank 5, wherein a partition plate is arranged on the inner wall of the water tank 5, through holes are uniformly distributed on the partition plate, the through holes are in an inverted circular truncated cone shape, water vapor in the water tank 5 can be discharged to the upper end inside the water tank 5 through the through holes on the surface of the partition plate, the partition plate can effectively block water, meanwhile, the normal conveying of the water vapor is guaranteed, water is adsorbed on the inner wall of the through holes, the water can be automatically discharged to the lower side of the water tank 5 through the through holes in the inverted circular truncated cone shape, the water is prevented from staying on the inner wall of the through holes, a pre-feeding box 2 is arranged at the top end of the blast furnace body 1, a stirring structure 3 is arranged on one side of the pre-feeding box 2, an exhaust pipe 4 is arranged at the top end of the blast furnace body 1, and the other end of the exhaust pipe 4 penetrates through the water tank 5 and extends to the outside of the water tank 5, the top end of the water tank 5 is provided with a drying structure 6, and the other end of the drying structure 6 penetrates through the pre-feeding box 2 and the stirring structure 3;

the drying structure 6 comprises a drying frame 601, the drying frame 601 is arranged on the top end of a water tank 5 and communicated with the water tank 5, the inner wall of the drying frame 601 is provided with two filter screens 602, the top end of the drying frame 601 is provided with a detachable quick lime filter plate 603, one side of the drying frame 601 is provided with an exhaust fan 604, the stirring structure 3 comprises a motor 301, the motor 301 is arranged on one side of a pre-feeding box 2, the output shaft of the motor 301 penetrates through the pre-feeding box 2 and is provided with a hollow transverse pipe 302, the outer part of the transverse pipe 302 is provided with a hollow vertical pipe 303, one end of the exhaust fan 604 penetrates through the inner wall of the transverse pipe 302, the motor 301 is started, the motor 301 simultaneously drives the transverse pipe 302 and the vertical pipe 303 to rotate, the materials are stirred, in the stirring process, the exhaust fan 604 can discharge steam into the hollow transverse pipe 302 and the hollow vertical pipe 303, the inner wall of the transverse pipe 302 is provided with a sealing bearing 305, the inner edge of the sealing bearing 305 is fixedly connected with the surface of the exhaust fan 604, the inner wall of the vertical pipe 303 is provided with a one-way valve 304;

the middle part of blast pipe 4 sets up in the inside of water tank 5, and the middle part bending of blast pipe 4 is the heliciform and distributes, can effectively increase the time that the high temperature flue gas stops in water tank 5, and the inner wall of water tank 5 is provided with level sensor 501, and the surface of water tank 5 is provided with water pump 502, and water pump 502 can set up in outside water storage device, also can connect in the water pipe, avoids water tank 5's water too little, and automatic interpolation, reduces intensity of labour.

The working principle is as follows:

the embodiment one, blast pipe 4 arrives to the outside in with the high temperature flue gas emission in blast furnace body 1, the well end can stop in water tank 5, heat the water in the water tank 5 in the time of the high temperature gas cooling, and steam, high temperature flue gas after the cooling directly discharges and handles to flue gas treatment equipment, flue gas treatment equipment is current ripe machinery, do not do too much repeated once more, start exhaust fan 604, steam can advance to go into in dry frame 601, react with quick lime filter plate 603 after filter screen 602, get rid of the moisture in the steam, and this reaction is exothermic reaction, can further improve steam's temperature, the principle of this reaction is: the water among the calcium oxide vapor adds water generation calcium hydroxide, the vapor that produces in the water tank 5 handles the back through 6 dry construction, directly reach in the stirring structure 3, starter motor 301, motor 301 drives violently pipe 302 and standpipe 303 simultaneously and rotates, stir the material, and at the in-process of stirring, exhaust fan 604 can be with vapor row to hollow violently pipe 302 and standpipe 303 in, dry construction 6 and stirring structure 3 mutually support to expect the preliminary material in the case 2 to heat the drying.

In the second embodiment, firstly, the high-temperature flue gas in the blast furnace body 1 is discharged into the water tank 5 through the exhaust pipe 4, at this time, the high-temperature flue gas is positioned at the middle end connected with the exhaust pipe 4 in the water tank 5, so that the water in the water tank 5 is heated by the high-temperature flue gas, at this time, the tail end of the exhaust pipe 4 is communicated into the flue gas recovery device for flue gas recovery, the water pump 502 can be started by driving a switch at the bottom of the water through a float on the water surface, so that the water in the water tank 5 is maintained within a certain standard, meanwhile, the water pump 502 can be started through the connection, when the water level in the water pump 502 is lower than the standard, the switch falls down to start the water pump 502, when the switch is lifted, the water pump 502 is closed, at this time, the exhaust fan 604 is started, the steam generated by heating in the water tank 5 firstly enters the drying frame 601, and reacts with the quicklime filter plate 603 after passing through the filter screen 602 to remove part of the water in the steam, and the reaction is exothermic and can further increase the temperature of the water vapor, and the principle of the reaction is as follows: the water among the calcium oxide vapor adds water generation calcium hydroxide, the vapor that produces in the water tank 5 handles the back through 6 dry construction, directly reach in the stirring structure 3, starter motor 301, motor 301 drives violently pipe 302 and standpipe 303 simultaneously and rotates, stir the material, and at the in-process of stirring, exhaust fan 604 can be with vapor row to hollow violently pipe 302 and standpipe 303 in, dry construction 6 and stirring structure 3 mutually support to expect the preliminary material in the case 2 to heat the drying.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a handle solid waste resource regeneration's blast furnace, includes blast furnace body (1) and water tank (5), its characterized in that: the top of blast furnace body (1) is provided with workbin (2) in advance, one side of workbin (2) in advance is provided with stirring structure (3), the one end of stirring structure (3) runs through workbin (2) in advance, the top of blast furnace body (1) is provided with blast pipe (4), the other end of blast pipe (4) runs through water tank (5) and extends to the outside of water tank (5), the top of water tank (5) is provided with drying structure (6), the other end of drying structure (6) runs through workbin (2) in advance and stirring structure (3).

2. The blast furnace for processing solid waste resource recycling according to claim 1, characterized in that: drying structure (6) are including drying frame (601), drying frame (601) are linked together on the top of water tank (5) and with water tank (5), the inner wall of drying frame (601) is provided with quantity for two filter screen (602), the top of drying frame (601) is provided with detachable quick lime filter plate (603), one side of drying frame (601) is provided with exhaust fan (604).

3. The blast furnace for processing solid waste resource recycling according to claim 2, characterized in that: stirring structure (3) include motor (301), motor (301) are installed in one side of workbin (2) in advance, the output shaft of motor (301) runs through workbin (2) in advance and is provided with hollow violently pipe (302), the outside of violently pipe (302) is provided with hollow standpipe (303), the inner wall of violently pipe (302) is run through to the one end of exhaust fan (604).

4. A blast furnace for processing solid waste resource recycling according to claim 3, characterized in that: the inner wall of the transverse pipe (302) is provided with a sealing bearing (305), the inner edge of the sealing bearing (305) is fixedly connected with the surface of the exhaust fan (604), and the inner wall of the vertical pipe (303) is provided with a one-way valve (304).

5. The blast furnace for processing solid waste resource recycling according to claim 1, characterized in that: the middle part of blast pipe (4) sets up in the inside of water tank (5), the middle part bending of blast pipe (4) is the heliciform and distributes.

6. The blast furnace for processing solid waste resource recycling according to claim 1, characterized in that: the inner wall of the water tank (5) is provided with a liquid level sensor (501), and the surface of the water tank (5) is provided with a water pump (502).