CN215855914U

CN215855914U - Energy-saving dust removal system for coke dry quenching furnace

Info

Publication number: CN215855914U
Application number: CN202122313978.1U
Authority: CN
Inventors: 温富苹; 薛军
Original assignee: Otok Xinhang Coking Co ltd
Current assignee: Otok Xinhang Coking Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-18
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses an energy-saving dust removal system for a dry quenching furnace, which comprises a dry quenching furnace body, wherein the upper end of the dry quenching furnace body is provided with a feeding pipe for feeding hot coke, the lower end of the dry quenching furnace body is provided with a discharging pipe for discharging cold coke, the side wall of the lower end of the dry quenching furnace body is provided with an inert gas inlet, the side wall of the middle part of the dry quenching furnace body is provided with an exhaust port, the input end of the feeding pipe is fixedly provided with a plugging device, the outer side of the dry quenching furnace body is fixedly provided with a filtering and dust removing device, and the filtering and dust removing device is arranged at the lower end of the plugging device.

Description

Energy-saving dust removal system for coke dry quenching furnace

The technical field is as follows:

the utility model relates to the technical field of coke dry quenching furnaces, in particular to an energy-saving dust removal system for a coke dry quenching furnace.

Background art:

when the coal is ready to be discharged after coking, the coke quenching operation is required, but the traditional water wet method coke quenching causes all heat loss, generates a large amount of steam containing dust and harmful substances, pollutes the environment and corrodes surrounding metal structures, while the dry coke quenching uses circulating inert gas as a heat carrier, and the cold circulating gas is input into a red coke cooling chamber by a circulating fan to cool the high-temperature coke to below 250 ℃ and is discharged.

However, the coke dry quenching process is summarized, when the furnace body is filled with red coke and the furnace cover is opened, a large amount of dust is discharged, the environment is directly polluted, and some coke dry quenching furnaces are also provided with dust collecting and removing devices, so that the coke dry quenching furnace is relatively complex in structure, needs to consume a large amount of electric energy or other energy, generates a large amount of energy waste, and is low in practicability.

The utility model has the following contents:

the utility model aims to provide an energy-saving dust removal system for a coke dry quenching furnace.

The utility model is implemented by the following technical scheme:

the energy-saving dust removal system for the dry quenching furnace comprises a dry quenching furnace body, wherein a feeding pipe for feeding hot coke is arranged at the upper end of the dry quenching furnace body, a discharging pipe for discharging cold coke is arranged at the lower end of the dry quenching furnace body, an inert gas inlet is formed in the side wall of the lower end of the dry quenching furnace body, an exhaust port is formed in the side wall of the middle of the dry quenching furnace body, a plugging device is fixedly arranged at the input end of the feeding pipe, a filtering and dust removing device is fixedly arranged on the outer side of the dry quenching furnace body, and the filtering and dust removing device is arranged at the lower end of the plugging device.

Preferably, plugging device includes two locating plates, and two locating plates set up in the inlet tube relatively and two locating plates are articulated with the inlet tube inner wall respectively, fixedly connected with angle spring between locating plate top surface and the inlet tube inside wall.

Preferably, the filtering and dust removing device comprises a box body and a water tank, one side of the box body is fixedly connected with the dry quenching furnace body, the other side of the box body is fixedly connected with the water tank, a guide pipe is arranged in the box body, one end of the guide pipe is inserted into the dry quenching furnace body, the other end of the guide pipe is inserted into the water tank and is fixedly connected with the input end of the flue gas treatment guide pipe, and an air pump is fixedly mounted on the guide pipe.

Preferably, the pipe snakelike arranging is handled to the flue gas in the water tank and the pipe output is handled to the flue gas wears out through the water tank top surface, the interior bottom slope setting of pipe bottom is handled to the flue gas and the pipe bottom mounting is handled to the flue gas is equipped with the discharge tube, and the discharge tube is worn out the water tank and fixed mounting has the stop valve on the discharge tube, the pipe bottom internal fixation is handled to the flue gas is equipped with filter screen and filter screen setting and is handling the pipe output side near the flue gas, is equipped with the adsorption zone between two filter screens, the adsorption zone setting is handled in the pipe in the flue gas.

Preferably, the adsorption zone is comprised of activated carbon.

Preferably, the water tank is fixedly provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively and fixedly provided with a stop valve.

The working principle and the using process of the utility model are as follows:

when in use, the coke needs to be discharged to a dry quenching furnace.

The utility model has the advantages that: the plugging device is opened and closed, so that the normal work of the dry quenching furnace body can be ensured, and the smoke and dust can be sealed in the whole dry quenching furnace body, thereby preventing the environmental pollution.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a schematic diagram of a partially enlarged structure in fig. 1 according to the present invention.

In the figure: the dry quenching furnace comprises a dry quenching furnace body 1, a feeding pipe 2, a discharging pipe 3, an inert gas inlet 4, an exhaust port 5, a plugging device 6, a box body 7, a water tank 8, a conduit 9, a flue gas treatment conduit 10, a filter screen 11 and an adsorption area 12.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the present invention provides the following technical solutions: the utility model provides an energy-conserving dust pelletizing system for coke dry quenching furnace, including dry quenching furnace body 1, dry quenching furnace body 1 upper end is provided with inlet pipe 2 that heat supply coke got into, dry quenching furnace body 1 lower extreme is provided with cooling coke discharging pipe 3, dry quenching furnace body 1's lower extreme lateral wall department is provided with inert gas entry 4, be provided with gas vent 5 on dry quenching furnace body 1's the middle part lateral wall, the fixed plugging device 6 that is equipped with on the inlet pipe 2 input, dry quenching furnace body 1 outside is fixed and is equipped with the filtration dust collector, the setting of filtration dust collector is at plugging device 6 lower extreme.

Plugging device 6 includes two locating plates, and two locating plates set up in inlet pipe 2 relatively and two locating plates are articulated with inlet pipe 2 inner wall respectively, fixedly connected with angle spring between locating plate top surface and the 2 inside walls of inlet pipe.

The filtering and dust removing device comprises a box body 7 and a water tank 8, one side of the box body 7 is fixedly connected with the dry quenching furnace body 1, the other side of the box body 7 is fixedly connected with the water tank 8, a guide pipe 9 is arranged in the box body 7, one end of the guide pipe 9 is inserted into the dry quenching furnace body 1, the other end of the guide pipe is inserted into the water tank 8 and is fixedly connected with the input end of a flue gas treatment guide pipe 10, and an air pump is fixedly arranged on the guide pipe 9.

Flue gas treatment pipe 10 snakelike arranging in water tank 8 and flue gas treatment pipe 10 output wears out through 8 top surfaces of water tank, the interior bottom surface slope setting of flue gas treatment pipe 10 bottom and the flue gas treatment pipe 10 bottom mounting be equipped with the discharge tube, the discharge tube is worn out water tank 8 and fixed mounting has the stop valve on the discharge tube, flue gas treatment pipe 10 bottom internal fixation is equipped with filter screen 11 and filter screen 11 sets up and is being close to flue gas treatment pipe 10 output side, be equipped with adsorption zone 12 between two filter screens, adsorption zone 12 sets up in flue gas treatment pipe 10.

The adsorption zone 12 is composed of activated carbon.

A water inlet pipe and a water outlet pipe are fixedly arranged on the water tank 8, and stop valves are respectively and fixedly arranged on the water inlet pipe and the water outlet pipe.

during the use, when need put red burnt to dry coke quenching stove body 1, utilize red burnt self gravity for plugging device 6 opens, thereby makes red burnt enter into dry coke quenching stove body 1 in, and red burnt passes through the back, and plugging device 6 closes, and then makes the smoke and dust all seal inside whole dry coke quenching stove furnace body 1.

Plugging device 6 includes two locating plates, and two locating plates set up relatively and articulate with 2 inner walls of inlet pipe respectively, and fixedly connected with angle spring between locating plate top surface and the 2 inside walls of inlet pipe simultaneously, put red burnt in-process like this, and red burnt gravity is greater than the effort that angle spring produced, just can make plugging device 6 open, and red burnt back of passing through simultaneously, the effort of angle spring will make two locating plates return initial position, realizes that plugging device 6 closes.

In the red coke discharging process, the air pump 8 is started, so that the smoke and dust can enter the smoke and dust treatment conduit 10, and the separation of the smoke and dust and clean air is realized through filtration and adsorption treatment, and the pollution of the smoke and dust to the environment is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The energy-saving dust removal system for the coke dry quenching furnace comprises a coke dry quenching furnace body (1), wherein a feeding pipe (2) for feeding heat coke is arranged at the upper end of the coke dry quenching furnace body (1), a discharging pipe (3) for discharging cold coke is arranged at the lower end of the coke dry quenching furnace body (1), an inert gas inlet (4) is formed in the side wall of the lower end of the coke dry quenching furnace body (1), an exhaust port (5) is formed in the side wall of the middle of the coke dry quenching furnace body (1), and the energy-saving dust removal system is characterized in that a plugging device (6) is fixedly arranged at the input end of the feeding pipe (2), a filtering and dust removal device is fixedly arranged on the outer side of the coke dry quenching furnace body (1), and the filtering and dust removal device is arranged at the lower end of the plugging device (6).

2. The energy-saving dust removal system for the coke dry quenching furnace as claimed in claim 1, wherein: plugging device (6) include two locating plates, and two locating plates set up in inlet pipe (2) relatively and two locating plates are articulated with inlet pipe (2) inner wall respectively, fixedly connected with angle spring between locating plate top surface and inlet pipe (2) inside wall.

3. The energy-saving dust removal system for the coke dry quenching furnace as claimed in claim 1 or 2, wherein: the filtering and dust removing device comprises a box body (7) and a water tank (8), one side of the box body (7) is fixedly connected with the dry quenching furnace body (1), the other side of the box body is fixedly connected with the water tank (8), a guide pipe (9) is arranged in the box body (7), one end of the guide pipe (9) is inserted into the dry quenching furnace body (1), the other end of the guide pipe is inserted into the water tank (8) and is fixedly connected with the input end of a flue gas treatment guide pipe (10), and an air pump is fixedly mounted on the guide pipe (9).

4. The energy-saving dust removal system for the coke dry quenching furnace as claimed in claim 3, wherein: flue gas treatment pipe (10) snakelike arranging in water tank (8) and flue gas treatment pipe (10) output is worn out through water tank (8) top surface, the interior bottom surface slope setting of flue gas treatment pipe (10) bottom and flue gas treatment pipe (10) bottom mounting are equipped with the discharge tube, and water tank (8) are worn out and fixed mounting has the stop valve on the discharge tube to the discharge tube, flue gas treatment pipe (10) bottom internal fixation is equipped with filter screen (11) and filter screen (11) set up and is being close to flue gas treatment pipe (10) output side, is equipped with adsorption zone (12) between two filter screens, adsorption zone (12) set up in flue gas treatment pipe (10).

5. The energy-saving dust removal system for the coke dry quenching furnace as claimed in claim 4, wherein: the adsorption zone (12) is composed of activated carbon.

6. The energy-saving dust removal system for the coke dry quenching furnace as claimed in claim 3, wherein: a water inlet pipe and a water outlet pipe are fixedly arranged on the water tank (8), and stop valves are respectively and fixedly arranged on the water inlet pipe and the water outlet pipe.