CN219161004U

CN219161004U - Metallurgical waste gas dust collector

Info

Publication number: CN219161004U
Application number: CN202222731306.7U
Authority: CN
Inventors: 朱军
Original assignee: Shanghai Youcheng Iron & Steel Equipment Technology Co ltd
Current assignee: Shanghai Youcheng Iron & Steel Equipment Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-09
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a metallurgical waste gas dust collection device, and relates to the technical field of metallurgical waste gas treatment. The heat insulation device comprises a heat insulation shell, wherein one end of the heat insulation shell is fixedly provided with a vent pipe, the outer side of the heat insulation shell is wound with a heat absorption pipe, two ends of the heat absorption pipe are communicated to the outside of one side of the heat insulation shell, one end of the heat absorption pipe is fixedly provided with a water through valve, and the outside of the vent pipe is fixedly connected with a series of heat conducting fins. According to the utility model, the heat flowing through the hot air in the vent pipe is conducted to the outer side of the vent pipe through a series of heat conducting fins arranged on the vent pipe, and meanwhile, the heat is not directly dissipated to the outside through the arrangement of the heat insulation shell, so that the heat is wasted; meanwhile, through the arrangement of the water inlet pipe, the heat-conducting fin is wound on the surface of the vent pipe and passes through the heat-conducting fin, and the heat conducted by the heat-conducting fin is rapidly taken away through the cooling water flowing in the heat-conducting fin, so that the temperature of the air flow in the vent pipe is ensured to be low, and the magnetism of the magnet is not influenced.

Description

Metallurgical waste gas dust collector

Technical Field

The utility model relates to the technical field of metallurgical waste gas treatment, in particular to a metallurgical waste gas dust collection device.

Background

The exhaust gases from metallurgical processes contain substantial amounts of dust particles, including metallic impurities and other solid particles, which are emitted to the atmosphere and cause serious pollution to the atmosphere.

The Chinese patent of utility model with publication number of CN214261221U aims at solving the problems that 'the existing treatment mode can not well remove the particle impurities mixed in the waste gas, and some recyclable metal impurities are mixed into other impurities to be cleaned off, and the overall dust collection effect is poor', and the devices such as a fan, a control box, an air duct, a magnetic treatment box, a water film treatment box, a water duct, a water pump, a water storage tank, a spray head and the like are combined together, so that the magnetic dust removal and the water film dust removal are combined together, the purpose of more comprehensively and thoroughly collecting dust is achieved, the classification treatment of the metal impurities and other impurities is also facilitated, and the recycling of the metal impurities is facilitated. However, in the actual use process, metallurgical waste gas usually has higher temperature, and the magnet is demagnetized in a higher temperature environment, so that the magnetism is weakened, and the metal impurities cannot be recovered; thus, a metallurgical waste gas dust collector was developed.

Disclosure of Invention

The utility model aims to provide a metallurgical waste gas dust collection device to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: metallurgical waste gas dust arrester installation, including waste gas cooling recovery unit, waste gas cooling recovery unit includes a heat insulating shell, the one end of heat insulating shell is fixed to be provided with a breather pipe, the one end of breather pipe communicates to the outside of the other end of heat insulating shell, and the outside winding has a heat absorption pipe, the both ends of heat absorption pipe all communicate to the outside of one side of heat insulating shell, and wherein one end is fixed to be provided with a water valve, the outside fixedly connected with a series of conducting strips of breather pipe, all the conducting strips present the heliciform and arrange, every the conducting strip all is located between the adjacent heat absorption pipe of two circles, all conducting strip and heat absorption pipe all are located the inside of heat insulating shell.

Preferably, one end of the vent pipe is fixedly connected with a gas collecting cover, the bottom end of the gas collecting cover extends towards the four directions, and the other end of the vent pipe is fixedly connected with a magnetic dust collecting box.

Preferably, the magnetic dust collection box comprises a dust collection shell, wherein the inside of the dust collection shell is fixedly connected with a plurality of air isolation tables, and each two connected air isolation tables are respectively fixed on the surfaces of the inner walls of the two opposite sides of the dust collection shell.

Preferably, one end of each air isolation table is fixedly connected with a magnetic plate, and a magnetic plate with magnetism opposite to that of the corresponding magnetic plate is fixed on the inner wall of the dust collection shell and at a position corresponding to one side of each air isolation table.

Preferably, one side of the dust collection shell is fixedly connected with a water mist shell, the inner side of the top end of the water mist shell is rotationally connected with a rotary water spray disc, the top end of the rotary water spray disc is communicated with the outer part of the top end of the water mist shell, and the bottom end of the rotary water spray disc is fixedly connected with a series of water curtain spray pipes.

Preferably, a drain pipe is fixedly arranged at one side of the bottom end of the water mist shell, an exhaust pipe is fixedly arranged at the top end of the water mist shell, and a water inlet pipe is rotationally connected to the top end of the rotary water spraying disc.

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

according to the metallurgical waste gas dust collection device, heat flowing through the hot gas in the vent pipe is conducted to the outer side of the vent pipe through a series of heat conducting fins arranged on the vent pipe, and meanwhile, the heat cannot be directly dissipated to the outside through the arrangement of the heat insulation shell, so that heat is wasted;

meanwhile, through the arrangement of the water inlet pipe, the heat-conducting fin is wound on the surface of the vent pipe and passes through the heat-conducting fin, and the heat conducted by the heat-conducting fin is rapidly taken away through the cooling water flowing in the heat-conducting fin, so that the temperature of the air flow in the vent pipe is ensured to be low, and the magnetism of the magnet is not influenced.

Drawings

FIG. 1 is a schematic view of an isometric structure of the present utility model;

FIG. 2 is a schematic diagram of a water mist dust collector of the present utility model;

FIG. 3 is a schematic diagram of an exhaust gas temperature reduction recovery apparatus according to the present utility model;

fig. 4 is a schematic view of the magnetic dust collection box of the present utility model.

In the figure: 1. a water curtain dust removing device; 101. an exhaust pipe; 102. a water mist housing; 103. a water curtain spray pipe; 104. a blow-down pipe; 105. rotating the water spraying disc; 106. a water inlet pipe; 2. the waste gas cooling and recycling device; 201. a thermal insulation housing; 202. a heat absorbing pipe; 203. a heat conductive sheet; 204. a water-through valve; 205. a vent pipe; 206. a gas receiving cover; 3. an air extracting pump; 4. a magnetic dust collection box; 401. a dust collection housing; 402. an air isolation table; 403. a magnetic plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.

As shown in fig. 1 to 4, the present utility model provides a technical solution:

metallurgical waste gas dust arrester installation, including waste gas cooling recovery unit 2, waste gas cooling recovery unit 2 includes a heat insulating shell 201, in this embodiment, the inner wall of this heat insulating shell 201 is provided with aerogel felt, consequently, have better heat preservation effect, make inside heat more difficult to run off the outside to heat insulating shell 201, the fixed breather pipe 205 that is provided with of one end of heat insulating shell 201, the one end intercommunication of breather pipe 205 is to the outside of the other end of heat insulating shell 201, the outside winding has a heat absorption pipe 202, in this embodiment, heat absorption pipe 202 adopts red copper as the raw materials, make heat can get into in the heat absorption pipe 202 rapidly. Both ends of the heat absorbing pipe 202 are connected to the outside of one side of the heat insulating housing 201, one end of the heat absorbing pipe 202 is fixedly provided with a water passing valve 204, in this embodiment, the surface of the part of the heat absorbing pipe 202 extending out of the heat insulating housing 201 is wrapped with a heat insulating pad, the end where the water passing valve 204 is located is a water inlet end, the other end and a water outlet end, the cooling liquid therein can be repeatedly used until reaching a higher temperature, and the heat can be recovered through the heat exchanger. The outside of the vent pipe 205 is fixedly connected with a series of heat conducting fins 203, all the heat conducting fins 203 are spirally arranged, and in this embodiment, the bottom ends of the heat conducting fins 203 extend into the inside of the vent pipe 205, so that heat in the vent pipe 205 flows out more quickly. Each heat conducting fin 203 is located between two circles of adjacent heat absorbing pipes 202, so that heat on the heat conducting fin 203 can be absorbed by the heat absorbing pipes 202 faster, and all the heat conducting fins 203 and the heat absorbing pipes 202 are located inside the heat insulating housing 201. One end of the ventilation pipe 205 is fixedly connected with a gas-collecting cover 206, and the bottom end of the gas-collecting cover 206 extends in a square direction to cover the top end of the metallurgical equipment so as to collect dust generated by the metallurgical equipment. The other end of the ventilation pipe 205 is fixedly connected with a magnetic dust collection box 4. An air pump 3 is provided between the air pipe 205 and the magnetic dust box 4, and sucks the dust-laden air from the air collection hood 206. The magnetic dust collection box 4 comprises a dust collection shell 401, a plurality of air isolation tables 402 are fixedly connected inside the dust collection shell 401, and each two connected air isolation tables 402 are respectively fixed on the surfaces of the inner walls of the two opposite sides of the dust collection shell 401. One end of each air isolation table 402 is fixedly connected with a magnetic plate 403, and a magnetic plate 403 with magnetism opposite to that of the corresponding magnetic plate 403 is fixed on the inner wall of the dust collection shell 401 at a position corresponding to one side of each air isolation table 402. Therefore, the dust-carrying flue gas passes between the magnetic plates 403, the magnetic field therein will adsorb the metal particles, and the air isolation table 402 is arranged to make the flue gas pass through in a meandering manner, so that the adsorption is more thorough. One side of the dust collection housing 401 is fixedly connected with a water curtain dust removal device 1, wherein the dust collection housing comprises a water mist housing 102, a rotary water spray disc 105 is rotatably connected to the inner side of the top end of the water mist housing 102, the top end of the rotary water spray disc 105 is communicated to the outer side of the top end of the water mist housing 102, and a series of water curtain spray pipes 103 are fixedly connected to the bottom end of the water curtain dust removal device. A drain pipe 104 is fixedly arranged at one side of the bottom end of the water mist shell 102, an exhaust pipe 101 is fixedly arranged at the top end of the water mist shell, and a water inlet pipe 106 is rotatably connected to the top end of the rotary water spraying disc 105. In this embodiment, the water inlet pipe 106 is connected to the water supply system, so that the position is fixed, and by the arrangement of the bent water pipe in the rotary water spraying disc 105, the rotary water spraying disc 105 rotates after water is introduced to form a rotary continuous water curtain, so that the air entering the rotary continuous water curtain is fully wetted, other particles in the air are wetted, and accordingly the particles sink to form sewage, and the sewage is discharged from the sewage discharging pipe 104.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Metallurgical waste gas dust arrester installation, including waste gas cooling recovery unit (2), its characterized in that: the waste gas cooling recovery device (2) comprises a heat insulation shell (201), one end of the heat insulation shell (201) is fixedly provided with a vent pipe (205), one end of the vent pipe (205) is communicated to the outer side of the other end of the heat insulation shell (201), a heat absorption pipe (202) is wound on the outer side, two ends of the heat absorption pipe (202) are all communicated to one side outside of the heat insulation shell (201), one end of the heat absorption pipe is fixedly provided with a water through valve (204), a series of heat conduction fins (203) are fixedly connected to the outer part of the vent pipe (205), all the heat conduction fins (203) are spirally distributed, each heat conduction fin (203) is located between two adjacent heat absorption pipes (202), and all the heat conduction fins (203) and the heat absorption pipes (202) are located inside the heat insulation shell (201).

2. The metallurgical off-gas dust collector apparatus of claim 1, wherein: one end fixedly connected with of breather pipe (205) is received gas cap (206), the bottom of receiving gas cap (206) extends to the tetragonal, the other end fixedly connected with magnetism dust collection box (4) of breather pipe (205).

3. The metallurgical off-gas dust collector apparatus of claim 2, wherein: the magnetic dust collection box (4) comprises a dust collection shell (401), a plurality of air isolation tables (402) are fixedly connected inside the dust collection shell (401), and each two connected air isolation tables (402) are respectively fixed on the surfaces of the inner walls of the two opposite sides of the dust collection shell (401).

4. A metallurgical off-gas dust collector according to claim 3, wherein: one end of each air isolation table (402) is fixedly connected with a magnetic plate (403) respectively, and a magnetic plate (403) with opposite magnetism to the corresponding magnetic plate (403) is fixed on the inner wall of the dust collection shell (401) and at the position corresponding to one side of each air isolation table (402) respectively.

5. A metallurgical off-gas dust collector according to claim 3, wherein: one side fixedly connected with water smoke shell (102) of dust collecting shell (401), the inboard rotation in top of water smoke shell (102) is connected with one and rotates water spray dish (105), the top of rotating water spray dish (105) communicates to the top outside of water smoke shell (102), and bottom fixedly connected with a series of water curtain spray tube (103).

6. The metallurgical off-gas dust collector apparatus of claim 5, wherein: a blow-down pipe (104) is fixedly arranged at one side of the bottom end of the water mist shell (102), an exhaust pipe (101) is fixedly arranged at the top end of the water mist shell, and a water inlet pipe (106) is rotatably connected to the top end of the rotary water spraying disc (105).