CN214861889U

CN214861889U - Centralized dust collecting device for silicon carbide smelting

Info

Publication number: CN214861889U
Application number: CN202120380090.7U
Authority: CN
Inventors: 刘源; 王长春; 吴占存; 尹有
Original assignee: Ningxia Beixing Jinggong Ceramic Technology Co ltd
Current assignee: Ningxia Beixing Jinggong Ceramic Technology Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-11-26
Anticipated expiration: 2031-02-19

Abstract

The utility model belongs to the technical field of carborundum production removes dust, especially, relate to a centralized dust collecting device of carborundum smelting usefulness, including a plurality of dust cages, there is the fan on the dust cage top through the pipe connection, there is dust collector the dust exhaust end of fan through the pipe connection, dust collector keeps away from the fan end and has the heat exchanger through the pipe connection, there is spray set the heat exchanger far away from the dust collector end through the pipe connection, spray set is including spraying the case, spraying case upper end one side is equipped with the spray room, the opposite side is equipped with the active carbon adsorption chamber, the spray room top is equipped with the shower, the shower bottom is equipped with the shower head, the interior middle part of active carbon adsorption chamber rotates and is connected with the axis of rotation, the axis of rotation lateral part is equipped with the dwang, upper end and lower extreme all are equipped with the active carbon layer in the active carbon adsorption chamber. The utility model discloses simple structure, convenient operation can collect a plurality of waste gases and the dust of smelting the district to dust and waste gas after collecting are handled, prevent dust and waste gas polluted air.

Description

Centralized dust collecting device for silicon carbide smelting

Technical Field

The utility model belongs to the technical field of carborundum production removes dust, especially a centralized dust collecting device of usefulness is smelted to carborundum.

Background

Silicon carbide is a raw material with wide application, and is generally formed by high-temperature smelting in a resistance furnace by taking quartz sand, petroleum coke and industrial salt as raw materials, smoke generated in the smelting process is very high in temperature and only can be partially collected, so that the phenomenon of unorganized emission of smoke is serious, and meanwhile, in the smelting process of silicon carbide, various harmful gases can be generated, such as carbon monoxide generated by the basic reaction of smelting, carbon dioxide, hydrogen sulfide, methyl mercaptan and the like generated by wood chips and coke, so that the environment of a smelting workshop is greatly damaged. The existing exhaust system of the smelting workshop has the problems of poor exhaust effect, low exhaust efficiency and the like due to unreasonable layout and arrangement, and simultaneously, the exhausted waste gas cannot be reasonably used and treated, so that the energy waste of a large degree is caused, and the smelting cost of the silicon carbide is invisibly aggravated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a smelt centralized dust collecting device of usefulness with carborundum, simple structure, convenient operation can collect a plurality of waste gas and the dust of smelting the district to dust and waste gas after collecting are handled, prevent dust and waste gas polluted air.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a centralized dust collecting device for silicon carbide smelting comprises a plurality of dust collecting covers, wherein the dust collecting covers are arranged at the top end of a smelting area, the top ends of the dust collecting covers are connected with a fan through a pipeline, the dust exhaust end of the fan is connected with a dust removing device through a pipeline, the end, far away from the fan, of the dust removing device is connected with a heat exchanger through a pipeline, the end, far away from the dust removing device, of the heat exchanger is connected with a spraying device through a pipeline, the dust removing device comprises a dust removing box, oil cylinders are arranged on two sides in the dust removing box, the telescopic end of each oil cylinder is connected with a filter screen, dust absorption cotton is arranged between the filter screens on the two sides in the dust removing box, the top end of the dust removing box is hinged with a box cover, the spraying device comprises a spraying box, a spraying chamber is arranged on one side of the upper end in the spraying box, an active carbon adsorption chamber is arranged on the other side, a spraying pipe is arranged at the top end of the spraying chamber, and a spraying head is arranged at the bottom of the spraying pipe, spray room bottom lateral part is equipped with the air vent, the air vent is linked together with the active carbon adsorption room, the indoor middle part of active carbon adsorption rotates and is connected with the axis of rotation, the axis of rotation lateral part is equipped with the dwang, and the axis of rotation is kept away from and is sprayed the room end and stretch out active carbon adsorption room and transmission and be connected with the motor, the indoor upper end of active carbon adsorption and lower extreme all are equipped with the active carbon layer, the slope of spray room bottom is equipped with the guide plate, the guide plate low side is equipped with the outlet, it is equipped with the sewage treatment room to spray incasement lower extreme, the indoor bottom middle part of sewage treatment is equipped with the baffle, the baffle top is equipped with the sewage treatment layer, baffle and sewage treatment layer separate the sewage treatment room for sewage room and clean water room, clean water room bottom lateral part is equipped with the drain pipe.

Preferably, the filter screen passes through bolted connection with the hydro-cylinder, and the filter screen of dust removal incasement reduces from a left side to right mesh in proper order, conveniently dismantles or changes the filter screen, ensures that the dust in the waste gas is filtered totally.

Preferably, the activated carbon layer is clamped with the activated carbon adsorption chamber, so that the activated carbon layer is convenient to replace.

The utility model also comprises other components which can normally use the centralized dust collecting device for silicon carbide smelting, and is the conventional technical means in the field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.

When the utility model is used, the fan is started, dust and waste gas generated in the silicon carbide smelting process are collected, the dust removing device filters the dust in the waste gas, the waste gas after dust filtration enters the heat exchanger, water is heated by utilizing the heat energy of the waste gas, heat energy is reused, the waste gas after heat exchange enters the spray chamber, the treatment liquid is sprayed out through the spray head to treat harmful gases such as carbon monoxide and hydrogen sulfide in the waste gas, the treated gas enters the activated carbon adsorption chamber, the motor is started, the motor drives the rotating shaft and the rotating rod to rotate, the gas in the activated carbon adsorption chamber is rotated by the rotation of the rotating rod, the residual harmful gases in the gas are fully adsorbed by the activated carbon layer, the treatment liquid in the spray chamber flows into the sewage chamber through the discharge port, the sewage is firstly precipitated, when the treatment liquid is higher than the baffle, the treatment liquid flows into the sewage chamber after being treated by the sewage treatment layer to be discharged, when the dust absorption cotton or the filter screen needs to be cleaned or replaced, the box cover is opened, the telescopic rod of the oil cylinder is shortened, the filter screen is driven to be far away from the dust absorption cotton, and the dust absorption cotton is taken out to be cleaned or replaced.

The beneficial effects of the utility model are that, simple structure, convenient operation can collect a plurality of waste gases and the dust of smelting the district to dust and waste gas after collecting are handled, prevent dust and exhaust gas polluted air.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in figure 1, a centralized dust collecting device for silicon carbide smelting comprises a plurality of dust collecting covers 1, wherein the dust collecting covers 1 are arranged at the top end of a smelting area 17, the top ends of the dust collecting covers 1 are connected with a fan 2 through pipelines, the dust exhaust end of the fan 2 is connected with a dust removing device through a pipeline, the end, far away from the fan 2, of the dust removing device is connected with a heat exchanger 7 through a pipeline, the end, far away from the dust removing device, of the heat exchanger 7 is connected with a spraying device through a pipeline, the dust removing device comprises a dust removing box 3, oil cylinders 4 are arranged on two sides in the dust removing box 3, the telescopic end of each oil cylinder 4 is connected with a filter screen 5, dust absorption cotton 6 is arranged between the filter screens 5 on two sides in the dust removing box 3, the top end of the dust removing box 3 is hinged with a box cover, the spraying device comprises a spraying box, one side of the upper end in the spraying box is provided with a spraying chamber 8, and the other side is provided with an active carbon adsorption chamber 10, the top end of the spray chamber 8 is provided with a spray pipe, the bottom of the spray pipe is provided with a spray head 9, the side part of the bottom end of the spray chamber 8 is provided with an air vent, the air vent is communicated with an activated carbon adsorption chamber 10, the middle part of the inside of the activated carbon adsorption chamber 10 is rotatably connected with a rotating shaft, the side part of the rotating shaft is provided with a rotating rod 12, the end of the rotating shaft far away from the spray chamber 8 extends out of the activated carbon adsorption chamber 10 and is connected with a motor 13 in a transmission manner, the upper end and the lower end of the inside of the activated carbon adsorption chamber 10 are respectively provided with an activated carbon layer 11, the bottom of the spray chamber 8 is obliquely provided with a guide plate 14, the lower end of the guide plate 14 is provided with a water outlet, the lower end of the inside of the spray box is provided with a sewage treatment chamber, the middle part of the bottom end of the inside of the sewage treatment chamber is provided with a baffle plate 16, the top end of the baffle plate 16 is provided with a sewage treatment layer 15, and the baffle plate 16 and the sewage treatment layer 15 separate the sewage treatment chamber into a sewage chamber 18 and a purified water chamber 19, the side part of the bottom end of the water purifying chamber 19 is provided with a drain pipe.

Filter screen 5 passes through bolted connection with hydro-cylinder 4, and filter screen 5 in the dust removal incasement reduces from a left side to right side mesh in proper order, conveniently dismantles or changes filter screen 5, ensures that the dust in the waste gas is filtered totally.

The activated carbon layer 11 is clamped with the activated carbon adsorption chamber 10, so that the activated carbon layer 11 is convenient to replace.

When the utility model is used, the fan 2 is started, dust and waste gas generated in the silicon carbide smelting process are collected, the dust removing device filters the dust in the waste gas, the waste gas after dust filtration enters the heat exchanger 7, water is heated by utilizing the heat energy of the waste gas, heat energy is reused, the waste gas after heat exchange enters the spray chamber 8, the treatment liquid is sprayed out through the spray head 9, harmful gases such as carbon monoxide and hydrogen sulfide in the waste gas are treated, the treated gas enters the activated carbon adsorption chamber 10, the motor 13 is started, the motor 13 drives the rotating shaft and the rotating rod 12 to rotate, the gas in the activated carbon adsorption chamber 10 is rotated by the rotation of the rotating rod 12, the residual harmful gases in the gas are fully adsorbed by the activated carbon layer 11, the treatment liquid in the spray chamber 8 flows into the sewage chamber 18 through the discharge port, precipitation is carried out in the sewage chamber 18, when the treatment liquid is higher than the baffle 16, the treatment fluid flows into clean water chamber 19 and discharges after handling through sewage treatment layer 15, when needing to clear up or change dust absorption cotton 6 or filter screen 5, opens the case lid, and the telescopic link of hydro-cylinder 4 shortens, drives filter screen 5 and keeps away from dust absorption cotton 6, takes out dust absorption cotton 6 and clears up or change.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a centralized dust collecting device of usefulness is smelted to carborundum, includes a plurality of dust cage (1), its characterized in that: the dust hood (1) is arranged at the top end of a smelting area (17), the top end of the dust hood (1) is connected with a fan (2) through a pipeline, a dust exhaust end of the fan (2) is connected with a dust removal device through a pipeline, the end, far away from the fan (2), of the dust removal device is connected with a heat exchanger (7) through a pipeline, the end, far away from the dust removal device, of the heat exchanger (7) is connected with a spray device through a pipeline, the dust removal device comprises a dust removal box (3), oil cylinders (4) are arranged on two sides in the dust removal box (3), a filter screen (5) is connected with the telescopic end of each oil cylinder (4), dust collection cotton (6) is arranged between the filter screens (5) on two sides in the dust removal box (3), a box cover is hinged to the top end of the dust removal box (3), the spray device comprises a spray box, a spray chamber (8) is arranged on one side of the upper end in the spray box, and an active carbon chamber (10) is arranged on the other side, the top end of the spray chamber (8) is provided with a spray pipe, the bottom of the spray pipe is provided with a spray head (9), the bottom side part of the spray chamber (8) is provided with an air vent, the air vent is communicated with an activated carbon adsorption chamber (10), the middle part of the activated carbon adsorption chamber (10) is rotatably connected with a rotating shaft, the side part of the rotating shaft is provided with a rotating rod (12), the rotating shaft is far away from the end of the spray chamber (8) and extends out of the activated carbon adsorption chamber (10) and is connected with a motor (13) in a transmission way, the upper end and the lower end of the activated carbon adsorption chamber (10) are both provided with an activated carbon layer (11), the bottom of the spray chamber (8) is obliquely provided with a guide plate (14), the lower end of the guide plate (14) is provided with a water outlet, the lower end of the spray box is provided with a sewage treatment chamber, the middle part of the bottom of the sewage treatment chamber is provided with a baffle (16), the top end of the baffle (16) is provided with a sewage treatment layer (15), baffle (16) and sewage treatment layer (15) divide the sewage treatment room into sewage room (18) and water purification room (19), water purification room (19) bottom lateral part is equipped with the drain pipe.

2. The centralized dust collecting device for silicon carbide smelting according to claim 1, characterized in that: the filter screen (5) is connected with the oil cylinder (4) through bolts, and the filter screen (5) in the dust removal box is sequentially reduced from left to right meshes.

3. The centralized dust collecting device for silicon carbide smelting according to claim 1, characterized in that: the active carbon layer (11) is clamped with the active carbon adsorption chamber (10).