CN211946908U

CN211946908U - Coke oven goes out burnt coal charging exhaust-gas treatment equipment

Info

Publication number: CN211946908U
Application number: CN202020319509.3U
Authority: CN
Inventors: 刁宗飞; 朱威; 王贵明; 冯英健
Original assignee: Yizhou Technology Co ltd
Current assignee: Yizhou Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-11-17
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to a coke preparation field discloses a coke oven goes out burnt coal-charging exhaust-gas treatment equipment, including the chimney, coke oven and quenching room, chimney downside fixed connection purifies the gas discharge pipe, purifies gas discharge pipe connection first fan, first fan downside electric connection speed governing coupler, speed governing coupler downside electric connection motor, purify gas discharge pipe right-hand member fixed connection dust remover, dust remover downside fixed connection flange connects, it can filter the coal gas, the flue gas of coal-charging coke discharging link output to set up the dust remover, make waste gas reach emission standard, set up the circulating water room, can supply the water of washing gas for the dust remover, set up the filter plate, be convenient for purify the impurity in the aquatic, can reuse the water resource, avoid extravagant. The utility model discloses the subassembly composition is few, and is with low costs, effectively reduces the harmful substance in the waste gas, utilizes washing gas water many times simultaneously, and the water protection resource has usable value in coke preparation field.

Description

Coke oven goes out burnt coal charging exhaust-gas treatment equipment

Technical Field

The utility model relates to the field of coke making, in particular to a coke oven coke discharging and coal charging waste gas treatment device.

Background

The coke is also called as coke block and coke slag, when the coal is heated to above 850 ℃ in a boiler, organic matters in the coal are decomposed along with the temperature rise, volatile products are escaped, and the residual nonvolatile products are the coke which comprises combustible fixed carbon and combustion residue-ash, the coke is mainly used for iron making and occupies about 1/2-1/3 in the production cost of pig iron, the blast furnace smelting process is actually a process of reducing iron ore, the coke serves as a reducing agent and a heat source, and a large amount of coal gas, smoke and dust-carrying gas are generated in the coke discharging and coal loading process in the coke production process.

The existing coke making waste gas treatment equipment has good treatment effect on coal gas and flue gas, but has unobvious treatment effect on dust-carrying steam in a coke quenching stage, the cost of the dust remover is higher, the function is single, the production cost is higher, and a water source used by the dust remover is not subjected to purification treatment, cannot be recycled, and damages the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coke oven goes out burnt coal-charging exhaust-gas treatment equipment to solve the problem that proposes among the above-mentioned background art.

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

a coke oven coke discharging and coal charging waste gas treatment device comprises a chimney, a coke oven and a coke quenching chamber, wherein the lower side of the chimney is fixedly connected with a purified gas discharge pipe, the purified gas discharge pipe is connected with a first fan through a pipeline, the lower side of the first fan is electrically connected with a speed regulating coupler, the lower side of the speed regulating coupler is electrically connected with a motor, the right end of the purified gas discharge pipe is fixedly connected with a dust remover, the lower side of the dust remover is fixedly connected with a flange joint, the right side of the flange joint is fixedly connected with a return pipe, the right side of the return pipe is fixedly connected with a circulating water chamber, the right side of the circulating water chamber is connected with a pump machine, the upper side of the pump machine is fixedly connected with a water outlet pipe, the left side of the water outlet pipe is fixedly connected with the dust remover, the upper end of the dust remover is fixedly connected with a waste gas, the lower side of the dust hood is fixedly connected with a coke quenching chamber.

As a further aspect of the present invention: the dust collector is a wet metal filter bag type dust collector.

As a further aspect of the present invention: the circulating water chamber is internally provided with a filter plate.

As a further aspect of the present invention: an electrostatic dust removal device is arranged in the three-way dust removal pipe.

As a further aspect of the present invention: the right side of the coke oven is provided with a coal charging car.

As a further aspect of the present invention: the upper side of the coke oven is provided with a coal charging interface valve.

As a further aspect of the present invention: a coke outlet port valve is arranged on the left side of the dust hood.

Compared with the prior art, the beneficial effects of the utility model are that:

through the utility model discloses a coke oven goes out burnt coal-charging exhaust-gas treatment equipment sets up the dust remover and can filters coal gas, the flue gas of coal-charging out burnt link output, makes waste gas reach emission standard, sets up the circulating water room, can set up the filter plate for the water of dust remover replenishment gas washing, the impurity of being convenient for in the purifying water can utilize the water resource many times, avoids extravagant, sets up the tee bend dust removal pipe, can collect the waste gas of going out burnt and coal-charging link, filters the dust in the waste gas. The utility model discloses the subassembly composition is few, and is with low costs, effectively reduces the harmful substance in the waste gas, utilizes washing gas water many times simultaneously, and the water protection resource has usable value in coke preparation field.

Drawings

FIG. 1 is a schematic structural diagram of a coke oven coke discharging and coal charging waste gas treatment device.

FIG. 2 is a schematic structural diagram of a three-way dust removal pipe in a coke oven coke discharging and coal charging waste gas treatment device.

FIG. 3 is a schematic structural diagram of a flange joint in a coke oven coke discharging and coal charging waste gas treatment device.

In the figure: 1-chimney, 2-first fan, 3-motor, 4-speed-regulating coupler, 5-dust remover, 6-flange joint, 7-water return pipe, 8-filter plate, 9-circulating water chamber, 10-pump, 11-water outlet pipe, 12-coke quenching chamber, 13-coal charging car, 14-coke oven, 15-dust hood, 16-coal charging interface valve, 17-second fan, 18-coke outlet interface valve, 19-three-way dust removing pipe, 20-waste gas input pipe and 21-purified gas discharge pipe.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "middle", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 3, a coke oven coke discharging and coal charging waste gas treatment device comprises a chimney 1, a coke oven 14 and a coke quenching chamber 12, wherein a purified gas discharge pipe 21 is fixedly connected to the lower side of the chimney 1, the chimney 1 is arranged to discharge waste gas into the air to avoid direct influence on the low-altitude environment, the purified gas discharge pipe 21 is connected with a first fan 2 through a pipeline, the lower side of the first fan 2 is electrically connected with a speed regulating coupler 4, the lower side of the speed regulating coupler 4 is electrically connected with a motor 3, the motor 3 is arranged to drive the speed regulating coupler 4 to operate, the speed regulating coupler 4 is arranged to control the air speed of the first fan 2, the first fan 2 is arranged to draw out waste gas in a dust remover 5 to facilitate waste gas flowing, the right end of the purified gas discharge pipe 21 is fixedly connected with the dust remover 5, the lower side of the dust remover 5 is fixedly connected with a flange joint 6, and the, set up flange joint 6, be convenient for fixed

wet return

7, 7 right sides fixed connection circulating water room 9 of wet return, be provided with filter plate 8 in the circulating

water room

9, 9 right side pipe connection pump machines 10 of circulating water room, pump machines 10 upside fixed connection outlet pipe 11 sets up circulating water room 9 and can supply the washing water gas for dust remover 5, sets up filter plate 8 and can filter the circulating water, can reuse, sets up pump machines 10 and provides power for rivers flow, 11 left sides fixed connection dust remover 5 of outlet pipe, dust remover 5 are wet-type metal filter bag dust remover, set up dust remover 5, can filter flue gas and coal gas in the waste gas to and a small amount of dust.

Referring to fig. 1-2, the upper end of the dust collector 5 is fixedly connected with a waste gas input pipe 20, the right side of the waste gas input pipe 20 is fixedly connected with a three-way dust collecting pipe 19, an electrostatic dust collecting device is arranged in the three-way dust collecting pipe 19, the waste gas in the coke discharging and coal charging processes can be collected and filtered to remove dust in the waste gas, the electrostatic dust collecting device can adsorb dust in the waste gas, the coal charging system is characterized in that a second fan 17 is connected to a pipeline on the upper side of the coke oven 14, a coal charging car 13 is arranged on the right side of the coke oven 14, a pipeline on the left side of the second fan 17 is connected with the upper side of a three-way dust removal pipe 19, a pipeline on the right side of the three-way dust removal pipe 19 is connected with a dust removal cover 15, a coke quenching chamber 12 is fixedly connected to the lower side of the dust removal cover 15, waste gas in the coal charging process can be extracted by the second fan 17, the coal charging car 13 is arranged to realize coal charging, the dust removal cover 15 is arranged, and coal gas.

Example 2

Referring to fig. 1, the present embodiment is different from the above embodiment 1 in that a coal charging port valve 16 is disposed on the upper side of the coke oven 14, a coke discharging port valve 18 is disposed on the left side of the dust hood 15, and the coal charging port valve 16 and the coke discharging port valve 18 are disposed, so that the flow rate of the exhaust gas can be controlled, and the overload operation of the equipment can be avoided.

The utility model discloses a theory of operation is: the coke discharging and coal charging waste gas treatment equipment for the coke oven comprises a coal charging car 13 for feeding coal mines into a coke oven 14 during a coking process of the coke oven 14, a dust waste gas generated in a coal charging process is conveyed to a three-way dust removal pipe 19 through a second fan 17 arranged at the upper side of the coke oven 14, coke is changed into red coke and then is fed into a coke quenching chamber 12, dust steam generated in the coke quenching process is collected by a dust hood 15 and conveyed to the three-way dust removal pipe 19, an electrostatic dust removal device is arranged in the three-way dust removal pipe 19 and can adsorb dust in the coke discharging and coal charging processes, the dust-purified waste gas is conveyed to a dust remover 5 through a waste gas input pipe 20, the dust remover 5 is a wet metal filter bag type dust remover 5, water resources are supplemented by a circulating water chamber 9, waste gas is filtered, and gas and flue gas in the waste gas and trace dust are purified, then the purified waste gas is pumped out by the first fan 2 and is discharged into the atmosphere by the chimney 1, and the waste gas purification treatment of the coke discharging and coal charging link is completed. The utility model discloses the subassembly composition is few, and is with low costs, effectively reduces the harmful substance in the waste gas, utilizes washing gas water many times simultaneously, and the water protection resource has usable value in coke preparation field.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A coke oven coke discharging and coal charging waste gas treatment device comprises a chimney (1), a coke oven (14) and a coke quenching chamber (12), and is characterized in that a purified gas discharge pipe (21) is fixedly connected to the lower side of the chimney (1), the purified gas discharge pipe (21) is connected with a first fan (2) through a pipeline, a speed regulating coupler (4) is electrically connected to the lower side of the first fan (2), a motor (3) is electrically connected to the lower side of the speed regulating coupler (4), a dust remover (5) is fixedly connected to the right end of the purified gas discharge pipe (21), a flange joint (6) is fixedly connected to the lower side of the dust remover (5), a water return pipe (7) is fixedly connected to the right side of the flange joint (6), a circulating water chamber (9) is fixedly connected to the right side of the water return pipe (7), a pump (10) is connected to the right side of the circulating water chamber (9), a water outlet pipe, dust remover (5) upper end fixed connection waste gas input pipe (20), waste gas input pipe (20) right side fixed connection tee bend dust removal pipe (19), second fan (17) are connected to side pipeline on coke oven (14), and second fan (17) left side pipeline connection tee bend dust removal pipe (19) upside, tee bend dust removal pipe (19) right side pipeline connection dust excluding hood (15), dust excluding hood (15) downside fixed connection coke quenching room (12).

2. The coke oven coke discharging and coal charging waste gas treatment equipment as claimed in claim 1, wherein the dust collector (5) is a wet metal filter bag type dust collector.

3. The coke oven coke discharging and coal charging waste gas treatment equipment as claimed in claim 1, wherein a filter plate (8) is arranged in the circulating water chamber (9).

4. The coke oven coke discharging and coal charging waste gas treatment equipment as claimed in claim 1 or 2, wherein an electrostatic dust removal device is arranged in the three-way dust removal pipe (19).

5. The coke oven coke discharging and coal charging waste gas treatment equipment as claimed in claim 1, characterized in that a coal charging car (13) is arranged at the right side of the coke oven (14).

6. The coke oven coke discharging and coal charging waste gas treatment equipment as claimed in claim 5, characterized in that the coke oven (14) is provided with a coal charging interface valve (16) at the upper side.

7. The coke oven coke discharging and coal charging waste gas treatment equipment as claimed in claim 1, wherein the left side of the dust hood (15) is provided with a coke discharging interface valve (18).