阅读说明：本技术 一种高温除尘换热一体化设备 (High-temperature dust removal and heat exchange integrated equipment ) 是由 张金福 于 2020-06-12 设计创作，主要内容包括：本发明涉及一种高温除尘换热一体化设备,包括气室外壳,气室外壳的一侧侧部倾斜设置烟气进口,与所述烟气进口同一侧的气室外壳内壁上横向连接冲撞式平板集尘器,冲撞式平板集尘器的内端延伸至气室外壳中部,所述冲撞式平板集尘器位于烟气进口下方；气室外壳的内壁上环设冲撞式集尘板；所述气室外壳的底部与集尘换热器的上端联通,所述直筒外壳的下端联通盲状集尘管。本发明具有换热效率高,节省能源,除尘效果好,制造工艺简单,生产成本低,安装、维修、清洗方便的优点。(The invention relates to high-temperature dust removal and heat exchange integrated equipment which comprises a gas chamber shell, wherein a smoke inlet is obliquely arranged on the side part of one side of the gas chamber shell, a collision type flat plate dust collector is transversely connected to the inner wall of the gas chamber shell on the same side with the smoke inlet, the inner end of the collision type flat plate dust collector extends to the middle part of the gas chamber shell, and the collision type flat plate dust collector is positioned below the smoke inlet; the inner wall of the air chamber shell is annularly provided with an impact type dust collecting plate; the bottom of the air chamber shell is communicated with the upper end of the dust collection heat exchanger, and the lower end of the straight cylinder shell is communicated with the blind dust collection pipe. The invention has the advantages of high heat exchange efficiency, energy conservation, good dust removal effect, simple manufacturing process, low production cost and convenient installation, maintenance and cleaning.)

1. The high-temperature dust removal and heat exchange integrated equipment is characterized by comprising a gas chamber shell (2), wherein a smoke inlet (1) is obliquely arranged on the side part of one side of the gas chamber shell (2), a collision type flat plate dust collector (3) is transversely connected with the inner wall of the gas chamber shell (2) on the same side with the smoke inlet (1), the inner end of the collision type flat plate dust collector (3) extends to the middle part of the gas chamber shell (2), and the collision type flat plate dust collector (3) is positioned below the smoke inlet (1); the inner wall of the air chamber shell (2) is provided with an impact type dust collecting plate (4) in a surrounding way;

the bottom of the air chamber shell (2) is communicated with the upper end of the dust collection heat exchanger, the integrated heat exchanger comprises a straight cylinder shell (16), an inner cylinder body (12) is fixedly arranged in the straight cylinder shell (16), the upper end and the lower end of the inner cylinder body (12) are respectively provided with an end socket (7), the cylinder wall of the inner cylinder body (12) is provided with a collision type heat exchange dust removal pipe (11), the end socket (7) at the upper end is connected with a water outlet pipe (8), and the end socket (7) at the lower end is connected with a water inlet pipe (15; the lower end of the straight cylinder shell (16) is communicated with a blind dust collecting pipe, the blind dust collecting pipe comprises a conical shell (18) and an ash discharging shell (19), and the bottom of the ash discharging shell (19) is provided with an ash discharging opening (23);

the lower end lateral part of the straight cylinder shell (16) is provided with a smoke outlet (22), the upper end of the smoke outlet (22) is provided with an arc-shaped air baffle (17), one end of the arc-shaped air baffle (17) is connected to the inner wall of the cylinder body positioned at the upper end of the smoke inlet, and the other end of the arc-shaped air baffle (17) penetrates through the inside of the cylinder body positioned at the cone shell (18) and then extends to the inside of the cylinder body positioned at the lower ash shell (19).

2. The integrated equipment for high-temperature dust removal and heat exchange as set forth in claim 1, wherein the gas chamber shell (2) is fixedly provided with a gas distributor (5), the cross section of the gas distributor (5) is inverted Y-shaped, and the gas distributor (5) is positioned on the gas chamber shell and connected with the straight-tube shell (16).

3. The integrated equipment for dust removal and heat exchange at high temperature as set forth in claim 1, wherein the impact type flat dust collector (3), the impact type dust collecting plate (4) and the arc type flat dust collector (17) are made of high temperature resistant cast iron.

4. A high-temperature dust-removing and heat-exchanging integrated device as claimed in claim 1, wherein a wear-resistant plate (10) is arranged on the impact type heat-exchanging dust-removing pipe (11).

5. A high-temperature dust-removing and heat-exchanging integrated device as claimed in claim 1, wherein a draft tube (13) is arranged in the inner cylinder (12).

6. The integrated equipment for dust removal and heat exchange at high temperature according to claim 1, wherein the upper end of the inner cylinder (12) is provided with an anti-abrasion cover (6).

7. The high-temperature dust-removing and heat-exchanging integrated equipment as claimed in claim 1, wherein the inner cylinder (12) is fixed in the straight cylinder shell (16) through a positioning support (9) arranged at the upper part and a support frame (14) arranged at the lower part.

8. A high-temperature dust-removing and heat-exchanging integrated device as claimed in claim 1, wherein a manhole (21) is arranged on the air chamber shell (2).

9. The integrated equipment for high-temperature dust removal and heat exchange as set forth in claim 1, wherein castable (20) is filled between the inner and outer walls of the shell of the air chamber shell (2), the straight-tube shell (16), the conical shell (18) and the lower ash shell (19).

Technical Field

The invention relates to high-temperature dust removal and heat exchange integrated equipment, and belongs to the technical field of dust removal and heat exchange equipment.

Background

In the process of smelting zinc oxide, because the proportion of ores is majority, the temperature of the ores can not meet the process requirement when the temperature is 1100 ℃, at the moment, zinc is dissolved and gasified, and can be naturally cooled with flue gas dust and the like through an N-shaped pipeline of 800mm and then discharged through a chimney, the waste heat in the process of cooling through the N-shaped pipeline cannot be recovered, and the cooled zinc and the cooled dust can be accumulated on a heat exchange pipe, so that the waste heat in the flue gas cannot be recovered until now.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide high-temperature dust removal and heat exchange integrated equipment which can reduce the flowing resistance of flue gas and improve the heat exchange and dust removal efficiency.

According to the technical scheme provided by the invention: a high-temperature dust removal and heat exchange integrated device comprises a gas chamber shell, wherein a smoke inlet is obliquely arranged on the side part of one side of the gas chamber shell, a collision type flat plate dust collector is transversely connected to the inner wall of the gas chamber shell on the same side with the smoke inlet, the inner end of the collision type flat plate dust collector extends to the middle part of the gas chamber shell, and the collision type flat plate dust collector is positioned below the smoke inlet; the inner wall of the air chamber shell is annularly provided with an impact type dust collecting plate;

the bottom of the air chamber shell is communicated with the upper end of the dust collection heat exchanger, the integrated heat exchanger comprises a straight cylinder shell, an inner cylinder body is fixedly arranged in the straight cylinder shell, the upper end and the lower end of the inner cylinder body are respectively provided with an end socket, the cylinder wall of the inner cylinder body is provided with a collision type heat exchange dust removal pipe, the end socket at the upper end is connected with a water outlet pipe, and the end socket at the lower end is connected with a water inlet pipe; the lower end of the straight cylinder shell is communicated with a blind dust collecting pipe, the blind dust collecting pipe comprises a conical shell and an ash discharging shell, and the bottom of the ash discharging shell is provided with an ash discharging opening;

the lower end lateral part of the straight cylinder shell is provided with a smoke outlet, the upper end of the smoke outlet is provided with an arc-shaped gas baffle, one end of the arc-shaped gas baffle is connected to the inner wall of the cylinder body positioned at the upper end of the smoke outlet, and the other end of the arc-shaped gas baffle penetrates through the inside of the cylinder body where the cone shell is positioned and then extends into the inside of the cylinder body where the lower ash shell is positioned.

Furthermore, an air distributor is fixedly arranged on the air chamber shell, the section of the air distributor is in an inverted Y shape, and the air distributor is positioned at the joint of the air chamber shell and the straight cylinder shell.

Furthermore, the impact type flat plate dust collector, the impact type dust collecting plate and the arc-shaped flat plate dust collector are all made of high-temperature-resistant cast iron.

Furthermore, an abrasion-proof plate is arranged on the impact type heat exchange dust removal pipe.

Furthermore, a flow guide pipe is arranged in the inner cylinder body.

Furthermore, the upper end of the inner cylinder body is provided with an anti-abrasion cover.

Furthermore, the inner cylinder body is fixed in the straight cylinder shell through a positioning support arranged at the upper part and a support frame arranged at the lower part.

Further, a manhole is arranged on the air chamber shell.

Furthermore, pouring materials are filled between the inner walls and the outer walls of the shell of the air chamber shell, the straight-tube shell, the conical shell and the ash discharging shell.

Compared with the prior art, the invention has the following advantages:

1. the resistance to the flow of flue gas can be reduced.

2. The heat exchanger has the advantages of high heat exchange efficiency, energy conservation, good dust removal effect, simple manufacturing process, low production cost and convenience in installation, maintenance and cleaning.

3. A dust collecting cover which exceeds the volume of the waste heat recoverer is adopted, and a plurality of dust collecting plates are arranged in the cover to recover the fused particles. When the dust collecting plate in the cover is collected and accumulated to a certain amount, the dust collecting plate can be replaced.

4. When the dust collecting protection plate on the heat exchange tube is fully stacked, the dust collecting protection plate can be lifted out from the upper part for replacement. When the lifting device is lifted out, only the support at the lower part needs to be loosened, so that the lifting device is convenient and fast.

5. The investment is saved and the return is fast.

6. The equipment has small volume and occupies only 1/20 in the original area.

7. The maintenance is simple and convenient, does not need to stop for inspection, and only needs to see the changes of resistance, temperature and the like and know the internal operation condition.

8. The running time is long, and the equipment does not need to be replaced by new equipment generally for more than 5 years.

Drawings

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

Description of reference numerals: 1-a flue gas inlet, 2-a gas chamber shell, 3-a collision type flat dust collector, 4-a collision type dust collecting plate, 5-a gas distributor, 6-an anti-abrasion cover, 7-a sealing head, 8-a water outlet pipe, 9-a positioning support, 10-an anti-abrasion plate, 11-a heat exchange dust removal pipe, 12-an inner cylinder body, 13-a guide pipe, 14-a support frame, 15-a water inlet pipe, 16-a straight cylinder shell, 17-an arc gas baffle, 18-a conical shell, 19-an ash discharging shell, 20-a casting material, 21-a manhole, 22-a flue gas outlet and 23-an ash discharging opening.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, a high-temperature dust-removing and heat-exchanging integrated device comprises a gas chamber shell 2, wherein a flue gas inlet 1 is obliquely arranged on one side part of the gas chamber shell 2, an impact type flat dust collector 3 is transversely connected to the inner wall of the gas chamber shell 2 on the same side with the flue gas inlet 1, the inner end of the impact type flat dust collector 3 extends to the middle part of the gas chamber shell 2, and the impact type flat dust collector 3 is positioned below the flue gas inlet 1; the inner wall of the air chamber shell 2 is provided with an impact type dust collecting plate 4 in a ring shape; the collision type flat dust collector 3 and the collision type dust collecting plate 4 can be both made of high-temperature-resistant cast iron, and smoke enters from the smoke inlet 1 at the side part, collides with the collision type flat dust collector 3, rebounds to the collision type dust collecting plate 4 on the side wall and then enters into the dust collecting heat exchanger.

The bottom of the air chamber shell 2 is communicated with the upper end of the dust collection heat exchanger, the integrated heat exchanger comprises a straight cylinder shell 16, an inner cylinder body 12 is fixedly arranged in the straight cylinder shell 16, the upper end and the lower end of the inner cylinder body 12 are respectively provided with an end socket 7, the cylinder wall of the inner cylinder body 12 is provided with a collision type heat exchange dust removal pipe 11, the end socket 7 at the upper end is connected with a water outlet pipe 8, and the end socket 7 at the lower end is connected with a water inlet pipe 15; the lower end of the straight cylinder shell 16 is communicated with a blind dust collecting pipe, the blind dust collecting pipe comprises a conical shell 18 and a lower ash shell 19, and the bottom of the lower ash shell 19 is provided with an ash discharge port 23; the dust discharging port 23 is closed during operation, and can be opened to discharge dust after the dust is accumulated.

The lower end side part of the straight cylinder shell 16 is provided with a smoke outlet 22, the upper end of the smoke outlet 22 is provided with an arc-shaped air baffle 17, one end of the arc-shaped air baffle 17 is connected to the inner wall of the cylinder body positioned at the upper end of the smoke inlet, and the other end of the arc-shaped air baffle 17 penetrates through the cylinder body positioned at the cone shell 18 and then extends into the cylinder body positioned at the lower ash shell 19.

The gas chamber shell 2 is fixedly provided with a gas distributor 5, the section of the gas distributor 5 is inverted Y-shaped, and the gas distributor 5 is positioned at the joint of the gas chamber shell 2 and the straight cylinder shell 16.

The collision type flat plate dust collector 3, the collision type dust collecting plate 4 and the arc-shaped flat plate dust collector 17 are all made of high-temperature resistant cast iron.

And the collision type heat exchange dust removal pipe 11 is provided with a wear-resistant plate 10.

A draft tube 13 is arranged in the inner cylinder 12. The upper end of the inner cylinder body 12 is provided with an anti-abrasion cover 6. A manhole 21 is arranged on the air chamber shell 2.

The inner cylinder body 12 is fixed in the straight cylinder shell 16 through a positioning support 9 arranged at the upper part and a support frame 14 arranged at the lower part.

Pouring materials 20 are filled between the inner walls and the outer walls of the shell bodies of the air chamber shell 2, the straight-tube shell 16, the conical shell 18 and the ash discharge shell 19, and the pouring materials 20 are heat-insulating materials.

The working process is as follows: high-temperature waste gas enters the equipment from the flue gas inlet 1, is dedusted by the impact type flat plate dust collector 3, is subjected to dust collection by the impact type dust collecting plates 4 around the air chamber shell, enters the lower integrated dust collecting heat exchanger, and is then discharged from the equipment from the flue gas outlet 20 from the bottom of the lower blind dust collecting pipe upwards.

The molten dust at about 800 ℃ is collected by a molten dust collecting tray, and is subjected to dust collection by surrounding impact type dust collecting plates, then the molten dust enters high-temperature dust removal and heat exchange integrated equipment for secondary dust removal and temperature recovery, the temperature is reduced from 800 ℃ to about 500 ℃, and the strength of the molten particles is enhanced after the temperature is reduced. Then the dust is removed and the heat exchange is carried out again through the medium-temperature dust removal and heat exchange integrated equipment.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.