CN217829426U

CN217829426U - High temperature kiln tail gas processing system

Info

Publication number: CN217829426U
Application number: CN202221466704.4U
Authority: CN
Inventors: 王健; 刘义丰; 刘庆军; 张小伟; 陈立
Original assignee: Anyang Jinrong Metallurgical Materials Co ltd
Current assignee: Anyang Jinrong Metallurgical Materials Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-18
Anticipated expiration: 2032-06-13

Abstract

The utility model provides a high temperature kiln tail gas treatment system, includes waste heat treatment component and dust treatment component, and the waste heat treatment component includes the heat transfer case, and the heat transfer incasement is equipped with the tail gas pipeline, and the dust component includes a treatment section of thick bamboo, and the inside spray set and the clearance subassembly of being equipped with of treatment section of thick bamboo, and spray set includes water spout and water feeder, still include both ends respectively with the outlet duct of treatment section of thick bamboo and tail gas pipeline intercommunication, the intercommunication has the air spout on the outlet duct, still include the deashing subassembly, the deashing subassembly can be handled the inside accumulational dust of treatment section of thick bamboo. The absorption degree of waste heat in the tail gas is improved, the waste of heat energy is reduced, and the generated slurry is cleaned in time.

Description

High temperature kiln tail gas treatment system

Technical Field

The utility model relates to a tail gas treatment equipment technical field especially relates to a high temperature kiln tail gas treatment system.

Background

High temperature kiln hood has a coal injection device, after the coal is ground into the buggy, spout the burning of high temperature kiln for the high temperature kiln heat supply to the coal injection device through special conveying equipment, can produce a large amount of high temperature tail gas behind the coal burning, tail gas not only the heat capacity is high but also the impurity dust in the tail gas is very big, if not carry out rational processing to high temperature tail gas, can lead to the heat waste in the tail gas, the tail gas direct discharge after not handling can the polluted air environment, cause the atmosphere pollution. The waste gas of the kiln contains dust impurities, sulfide, hydride and other pollution gases; the existing kiln waste gas treatment device generally adopts a water curtain dust fall method or a spraying dust fall method for dust treatment, when the existing kiln tail gas is sprayed, slurry is formed after contact of water and particle smoke dust in the tail gas, the slurry is troublesome to clean and easy to remain, the produced slurry is inconvenient to clean, and the volume of the filter device is generally large, so that the filter device is inconvenient to replace and clean, the loading and unloading time is long, the workload of workers is increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model aims at providing a high temperature kiln tail gas processing system, can improve the preheating utilization efficiency to high temperature tail gas, carry out timely quick clearance to the mud thing that produces in spraying the dust removal.

Its solution is, a high temperature kiln tail gas processing system, including waste heat treatment subassembly and dust treatment subassembly, the waste heat treatment subassembly includes the heat transfer case, and is equipped with the tail gas pipeline in the heat transfer case, the dust subassembly is including handling a section of thick bamboo, it is equipped with spray assembly and clearance subassembly to handle a section of thick bamboo inside, and spray assembly includes water spout and water feeder, still includes both ends respectively with the outlet duct of handling a section of thick bamboo and tail gas pipeline intercommunication, the intercommunication has the air spout on the outlet duct, still includes the deashing subassembly, the deashing subassembly can be handled the inside accumulational dust of a section of thick bamboo.

Further, heat transfer incasement portion is equipped with a plurality of baffles, a plurality of baffles separate the heat transfer incasement portion into a plurality of cavitys, all the intercommunication has inlet tube and outlet pipe in a plurality of cavitys, the inside temperature that lets in of a plurality of cavitys reduces in proper order, the tail gas pipeline is snakelike setting when being located heat transfer incasement portion.

Further, the volumes of the plurality of cavities sequentially increase along the moving direction of the exhaust gas.

Further, still include the mounting panel, a processing section of thick bamboo rotates and installs on the mounting panel, a processing section of thick bamboo is equipped with the hollow shaft of rotation installation on the mounting panel for one end confined cylindrical and a processing section of thick bamboo, air nozzle and water jet are all installed on the hollow shaft, the hollow shaft is arranged in to the outlet duct inside and the water feeder is installed on the hollow shaft.

Further, the clearance subassembly is including installing the cleaning panel on the mounting panel, and cleaning panel and the contact of a processing section of thick bamboo inner wall, the mounting panel is close to cleaning panel department and is equipped with the deashing mouth.

Further, the cleaning plate is arranged in a spiral mode.

Furthermore, the one end that the water feeder was kept away from to the hollow shaft stretches out a processing section of thick bamboo, and is equipped with a plurality of openings on the one side that the water feeder was kept away from to the hollow shaft, hollow shaft internally mounted has the columniform filter screen.

Furthermore, one end of the filter screen extending out of the hollow shaft is in threaded fit with the inner wall of the hollow shaft.

The utility model has the advantages that: reduce the influence of heat transfer temperature to the heat transfer effect, improve the absorption degree to waste heat in the tail gas, reduce the waste of heat energy, improve the effect of spraying to dust in the tail gas, increase contact range, in time clear up the mud that produces simultaneously, and gas is through the secondary filtration of filter screen to the filter screen passes through screw-thread fit person of facilitating the use and changes the clearance.

Drawings

Fig. 1 is a schematic structural diagram of the overall process of the present invention.

Fig. 2 is a schematic structural view of the inner shaft side of the treatment cylinder of the present invention.

Fig. 3 is a schematic structural view of the filter screen shaft side of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1, figure 2 and figure 3 provide, a high temperature kiln tail gas processing system, including waste heat treatment component and dust processing subassembly, its characterized in that, waste heat treatment component includes heat transfer case 1, and is equipped with tail gas pipeline 3 in the heat transfer case 1, heat transfer case 1 is inside to be equipped with a plurality of baffles 2, a plurality of baffles 2 with heat transfer case 1 internal partitioning for a plurality of cavitys, all the intercommunication has inlet tube and outlet pipe in a plurality of cavitys, the inside temperature that lets in of a plurality of cavitys reduces in proper order, tail gas pipeline 3 is snakelike setting when being located heat transfer case 1 inside. The water temperature that the adoption need not be with the temperature can absorb the heat in the tail gas as far as during the use, reduces because 1 inside temperature of heat transfer case is similar, causes tail gas to reduce its inside temperature heat transfer effect through the process, through setting up a plurality of baffles 2, with the tail gas of the different stages of water correspondence of different temperatures, improves the absorptive effect of heat in the tail gas, the volume of a plurality of cavitys increases along the direction that tail gas removed in proper order. The cavity of constantly increasing the volume can improve tail gas dwell time in proper order, and then after tail gas temperature reduces gradually, also can ensure the heat transfer effect to it, the dust subassembly is including handling section of thick bamboo 7, it sprays subassembly and clearance subassembly to handle 7 inside being equipped with of section of thick bamboo, and sprays the subassembly and include water spout 13 and water feeder 5, still include both ends respectively with the outlet duct 4 of handling section of thick bamboo 7 and tail gas pipeline 3 intercommunication, the intercommunication has air nozzle 12 on the outlet duct 4, still includes mounting panel 11, it installs on mounting panel 11 to handle 7 rotation of section of thick bamboo, it is cylindrical and handle a section of thick bamboo 7 and be equipped with the hollow shaft 8 of rotation installation on mounting panel 11 for one end confined, air nozzle 12 and water spout 13 all install on hollow shaft 8, air outlet duct 4 arranges the inside of hollow shaft 8 and water feeder 5 installs on hollow shaft 8 in, and the tail gas after heat transfer case 1 passes through air nozzle 12 during the use and enters into inside handling section of thick bamboo 7, starts water feeder 5 this moment, passes through water spout 13 blowout, and abundant dust that contains adsorbs the dust, reaches the purpose of spraying device, drives through drive 7, and the dust that the heat transfer case rotates between the hollow shaft 8, and the hollow shaft rotates, and the dust that rotate the hollow shaft is connected to 3, and the hollow shaft is connected.

During the concrete implementation, still include the deashing subassembly, the deashing subassembly can be handled the inside accumulational dust of a processing section of thick bamboo 7, the clearance subassembly is including installing clearance board 10 on mounting panel 11, and clearance board 10 and the contact of 7 inner walls of a processing section of thick bamboo, mounting panel 11 is close to clearance board 10 department and is equipped with deashing mouth 14, clearance board 10 adopts spiral arrangement, and clearance board 10 installs on mounting panel 11 during the use, and clearance board 10 can not follow a processing section of thick bamboo 7 and rotate to the realization is to the clearance of 7 inner walls of a processing section of thick bamboo, and spiral arrangement's clearance board 10 can make the mud of scraping pass through deashing mouth 14 discharges, realizes the clearance to processing the inside of a section of thick bamboo 7.

During concrete implementation, the one end that water feeder 5 was kept away from to hollow shaft 8 stretches out a processing section of thick bamboo 7, and is equipped with a plurality of openings on one side that water feeder 5 was kept away from to hollow shaft 8, 8 internally mounted of hollow shaft have columniform filter screen 9, screw-thread fit between the one end that hollow shaft 8 was stretched out to filter screen 9 and the hollow shaft 8 inner wall is through the filter screen 9 that sets up for gas after the clearance passes through the secondary filtration of filter screen 9, and filter screen 9 passes through screw-thread fit person of facilitating the use and changes the clearance.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. A high-temperature kiln tail gas treatment system comprises a waste heat treatment assembly and a dust treatment assembly, and is characterized in that the waste heat treatment assembly comprises a waste heat treatment assembly and a dust treatment assembly;

the waste heat treatment assembly comprises a heat exchange box (1), and a tail gas pipeline (3) is arranged in the heat exchange box (1);

the dust assembly comprises a treatment barrel (7), a spraying assembly and a cleaning assembly are arranged in the treatment barrel (7), and the spraying assembly comprises a water spray nozzle (13) and a water feeder (5);

the device also comprises an air outlet pipe (4) with two ends respectively communicated with the treatment cylinder (7) and the tail gas pipeline (3), and the air outlet pipe (4) is communicated with an air nozzle (12);

the dust removing device also comprises a dust removing component which can treat dust accumulated in the treatment cylinder (7).

2. The high-temperature kiln tail gas treatment system according to claim 1, wherein a plurality of partition plates (2) are arranged inside the heat exchange box (1), the plurality of partition plates (2) divide the inside of the heat exchange box (1) into a plurality of cavities, water inlet pipes and water outlet pipes are communicated with the plurality of cavities, the water temperature introduced into the plurality of cavities is sequentially reduced, and the tail gas pipeline (3) is arranged in a serpentine shape when being located inside the heat exchange box (1).

3. The high temperature kiln tail gas treatment system of claim 2, wherein the volumes of the plurality of cavities increase sequentially along the direction of tail gas movement.

4. The high-temperature kiln tail gas treatment system according to claim 1, further comprising a mounting plate (11), wherein the treatment cylinder (7) is rotatably mounted on the mounting plate (11), the treatment cylinder (7) is cylindrical with one closed end, the treatment cylinder (7) is provided with a hollow shaft (8) rotatably mounted on the mounting plate (11), the air nozzle (12) and the water nozzle (13) are both mounted on the hollow shaft (8), the air outlet pipe (4) is arranged inside the hollow shaft (8), and the water feeder (5) is mounted on the hollow shaft (8).

5. The high-temperature kiln tail gas treatment system as claimed in claim 1, wherein the cleaning assembly comprises a cleaning plate (10) mounted on a mounting plate (11), the cleaning plate (10) is in contact with the inner wall of the treatment cylinder (7), and the mounting plate (11) is provided with an ash cleaning port (14) near the cleaning plate (10).

6. A high temperature kiln exhaust gas treatment system according to claim 5, characterized in that the cleaning plate (10) is arranged spirally.

7. A high temperature kiln tail gas treatment system according to claim 4, characterized in that one end of the hollow shaft (8) far away from the water supply device (5) extends out of the treatment cylinder (7), and one side of the hollow shaft (8) far away from the water supply device (5) is provided with a plurality of openings, and a cylindrical filter screen (9) is arranged inside the hollow shaft (8).

8. The high-temperature kiln tail gas treatment system according to claim 7, wherein one end of the filter screen (9) extending out of the hollow shaft (8) is in threaded fit with the inner wall of the hollow shaft (8).