CN109708479B

CN109708479B - Industrial steel-making furnace exhaust treatment device

Info

Publication number: CN109708479B
Application number: CN201811570045.7A
Authority: CN
Inventors: 杨帅; 闫羽; 邢明
Original assignee: Sixian Zhilai Machinery Technology Co Ltd
Current assignee: Guangdong Dedian Environmental Protection Technology Co.,Ltd.
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-11-27
Anticipated expiration: 2038-12-21
Also published as: CN109708479A

Abstract

The invention belongs to the technical field of steelmaking, in particular to an industrial steelmaking furnace waste gas treatment device, which comprises a steelmaking furnace, a base, a frame body and a controller, wherein the steelmaking furnace is arranged on the base; the inner diameter of the spring is gradually decreased from the middle to the two sides; the fixed plate divides the inner space of the frame body into a first operation cavity and a second operation cavity; the first operation cavity is filled with settled lime; the first filter plate is made of soft elastic materials, and a second cavity is formed in the first filter plate; the left inner wall and the right inner wall of the second cavity are uniformly provided with partition plates; the baffles are arranged in a staggered manner; the second cavity is filled with hydrated lime powder, so that waste gas can be further treated; the lower surface of the second fixed rod is provided with second spray heads which are uniformly distributed; the method is simple and convenient to operate, the dust and the sulfur dioxide in the waste gas are thoroughly treated by treating the dust and the sulfur dioxide in the waste gas for multiple times, and resources can be recycled in the treatment process.

Description

Industrial steel-making furnace exhaust treatment device

Technical Field

The invention belongs to the technical field of steel making, and particularly relates to an industrial steel making furnace waste gas treatment device.

Background

The steel is one of the most used materials in the world due to the low price and the reliable performance, is an indispensable component in the building industry, the manufacturing industry and the daily life of people, and is obtained by smelting pig iron for steelmaking in a steelmaking furnace according to a certain process.

Also appeared some waste gas treatment device's for steelmaking furnace technical scheme among the prior art, chinese patent as application number 2016109559890 discloses an environmental protection steelmaking furnace, including the steelmaking furnace, the top opening part fixedly connected with waste gas treatment device of steelmaking furnace, waste gas treatment device includes the intake pipe, the one end of intake pipe and the opening part fixed connection of steelmaking furnace, and the other end of intake pipe and the air inlet fixed connection of exhaust-gas treatment case, the inner chamber top fixed mounting of exhaust-gas treatment case has the water pipe.

This technical scheme's an environmental protection steelmaking furnace, reject the dust in with waste gas through the shower nozzle water spray, the water spray in-process is because the water resource can't obtain reuse, lead to the waste of water resource, and only can't make the dust in the waste gas precipitate completely through the water spray, waste gas is because the slaked lime powder arranges the splint top in when passing through the filter screen, waste gas is limited with the area of contact of slaked lime powder, lead to sulfur dioxide in the waste gas to reject thoroughly, and the deposit that generates after sulfur dioxide and the slaked lime powder reaction covers the slaked lime powder easily, can't reach the effect that sulfur dioxide rejected.

Disclosure of Invention

The invention provides a waste gas treatment device for an industrial steel-making furnace, which aims to make up for the defects of the prior art and solve the problems that dust is not fully precipitated due to water spray of a spray head, the dust in waste gas cannot be completely removed, the contact area of sulfur dioxide and slaked lime powder is limited, and the sulfur dioxide cannot be completely removed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a waste gas treatment device of an industrial steel furnace, which comprises a steel furnace, a base, a frame body and a controller, wherein the base is arranged on the steel furnace; the controller is used for controlling the device to work; the frame body is fixedly connected to the upper surface of the base; the steel-making furnace is positioned on the left side of the frame body and fixedly connected to the upper surface of the base; a reaction barrel is arranged between the frame body and the steel-making furnace; the reaction barrel penetrates through the frame body; the reaction barrel is communicated with the steel making furnace through an air pipe and used for air inlet; the outer wall of the left side of the reaction barrel is fixedly connected with a motor, and a rotating shaft of the motor penetrates through the reaction barrel and is fixedly connected with a spring; the inner diameter of the spring is gradually decreased from the middle to the two sides; the upper inner wall and the lower inner wall of the reaction barrel are fixedly connected with first fixing rods; the opposite surfaces of the first fixed rods are provided with bulges; the number of the bulges is three, the bulges are different in shape, the left bulge is relatively rounded, the right bulge is designed in a crescent shape, and the rounding degree of the middle bulge is between the left bulge and the right bulge; the spring is clamped with the right bulge at the beginning; a sliding plate is arranged in the frame body; the sliding plate is designed in a circular shape, can be tightly attached to the inner wall of the reaction barrel and slide into the reaction barrel, and is initially positioned outside the reaction barrel; the side surface of the right side of the sliding plate is fixedly connected with a moving rod; the surface of the moving rod is fixedly connected with an extrusion rod; a fixed plate is arranged in the frame body, and second air holes are uniformly formed in the surface of the fixed plate; the fixing plate is fixedly connected to the inner wall of the frame body; a first telescopic bag is arranged between the extrusion rod and the fixed plate; the fixed plate divides the inner space of the frame body into a first operation cavity and a second operation cavity; the first operation cavity is filled with a clear lime water solution; the lower end of the extrusion rod is provided with a sucker which is positioned below the liquid level and can suck the solution; first water channels are formed in the extrusion rod, the moving rod and the sliding plate; the first water channel is communicated with the sucking disc and the first telescopic bag; the side wall of the left side of the sliding plate is provided with first spray heads which are uniformly distributed; the first spray head is an atomizing spray head and is communicated with the first water channel; a check valve is arranged in the first water channel to ensure that the first telescopic bag can absorb water through a sucking disc and then flow to the first spray nozzle through the first water channel to be sprayed out, so that the dust in the waste gas is completely treated and the sulfur dioxide is primarily treated; a first filter plate is arranged in the second operation cavity; the side wall of the right side of the frame body is provided with an air outlet; the movable rod penetrates through the first filter plate and is fixedly connected with the first filter plate, and a push plate is fixedly connected in the air outlet of the movable rod; when the device works, the motor drives the spring to rotate, the spring moves leftwards in the rotating process due to the clamping of the spring and the bulges, the sliding plate, the moving rod and the extrusion rod move leftwards, so that the first telescopic bag is stretched, the first telescopic bag absorbs water through the sucking disc, the solution is absorbed into the first telescopic bag, when the spring is transferred to be left-side bulges, the spring moves rightwards instantly due to the fact that the tensile force of the spring is larger than the friction force between the spring and the bulges, the spring moves to the clamping position with the rightmost bulges and stops due to the fact that the instantaneous force of the spring is larger than the friction force between the spring and the bulges in the middle part, the extrusion rod extrudes the first telescopic bag in the rightward moving process of the spring, so that the solution in the first telescopic bag flows to the first spray nozzle through the first water channel, the atomized solution is sprayed into the reaction barrel and fully contacts with waste gas, the mass of dust in the solution is increased, the dust is precipitated, and the sulfur dioxide in the solution, and the moving rod drives the push plate to move left and right in the left and right moving process, so that gas in the second operation cavity can be discharged intermittently, the waste gas treatment time is prolonged, and the waste gas treatment is more thorough.

Preferably, a first cavity is formed in the spring; first water outlet holes are uniformly formed in the surface of the spring and communicated with the first cavity; the first cavity is communicated with the first water channel, and the solution can be sprayed out through the first water outlet hole to assist the first spray head in treating waste gas, so that the treatment efficiency is improved; during operation, when first expansion bag received the extrusion and relaxed, solution flowed into first cavity through first water course in, the first apopore of rethread was spout, can assist first shower nozzle to handle the waste gas in the reaction vessel, improves exhaust-gas treatment efficiency.

Preferably, the inner wall of the reaction barrel and the inner wall of the frame body are both provided with a second water channel, and the second water channel in the reaction barrel is obliquely arranged to accelerate the flow rate of the solution; the inner wall of the reaction barrel is provided with second water outlet holes which are uniformly distributed and communicated with the second water channel; the side wall of the left side of the frame body is fixedly connected with a water tank, the water tank is communicated with the second water channel, and the water tank is communicated with the first operation cavity through a middle opening; a sewage discharge outlet is formed in the bottom of the water tank, and a rubber plug is arranged at the sewage discharge outlet; a conveying plate is arranged in the first operation cavity; the conveying plate penetrates through the second water channel and can convey the solution flowing out of the reaction barrel into the water tank; during operation, along with the processing of waste gas in the reaction barrel, solution and the deposit and the dust that the reaction produced deposit and dust through second water course and delivery board flow in the water tank, deposit in the water tank, and the water tank passes through the first operation chamber of middle part opening intercommunication, can make the dust solid in the solution fully deposit the back, and solution lets in first operation chamber, realizes the recycle of solution, carries out a period back when the reaction, and the deposit in the accessible drain is discharged the water tank.

Preferably, the surface of the base is provided with a material supplementing cabin; the feed supplement cabin is communicated with the first operation cavity, and solid hydrated lime is filled in the feed supplement cabin, so that the consumption of clear lime water can be supplemented; discharge ports are formed in the two sides of the material supplementing cabin; the discharge port penetrates through the frame body and the base, and the lower surface of the base of the discharge port is communicated with a collecting cabin; a second filter plate is arranged in the first operation cavity; the second filter plate is designed to be bent upwards, and two ends of the second filter plate are fixedly connected to the inner wall of the bottom of the frame body; the during operation, solid hydrated lime can prevent that clarification lime water solution from being diluted along with going on of reaction, improve exhaust-gas treatment efficiency, make exhaust-gas treatment more thorough, the second filter can filter the hydrated lime in the clarification lime water, prevent hydrated lime solid come-up, can filter the solid that clarification lime water and sulfur dioxide reaction produced simultaneously, prevent that the solid deposit that produces from attaching to solid hydrated lime surface, improve exhaust-gas treatment efficiency, the solid after the filtration falls to collecting the under-deck through the second filter, can collect through collecting the under-deck.

Preferably, the first filter plate is made of soft elastic material, and a second cavity is formed in the first filter plate; the left inner wall and the right inner wall of the second cavity are uniformly provided with partition plates; the baffles are arranged in a staggered manner; the second cavity is filled with hydrated lime powder, so that waste gas can be further treated; a feeding cabin is arranged at the top of the frame body; the lower surface of the base is fixedly connected with a discharging cabin; the feeding cabin and the discharging cabin are both communicated with the second cavity, so that the consumption of slaked lime powder in the second cavity can be supplemented; the during operation, the first filter of drive about the carriage release lever to make first filter vibrations, waste gas pass through the fixed plate after the reaction with the slaked lime powder in the second cavity, make the sulfur dioxide in the waste gas fully react, along with the vibrations of first filter, make slaked lime powder and baffle vibrations, thereby make the slaked lime powder flow, through the replenishment in feeding cabin, prevent the slaked lime powder along with going on of reaction, lead to the purity of slaked lime powder to reduce, be unfavorable for dispelling of sulfur dioxide.

Preferably, a second telescopic bag is fixedly connected between the first filter plate and the fixing plate; third water channels are formed in the fixed plate and the top of the frame body; a second fixing rod is arranged at the top of the first operation cavity; the second fixing rod is fixedly connected to the inner wall of the top of the frame body; the lower surface of the second fixed rod is provided with second spray heads which are uniformly distributed; the third water channel is communicated with the second spray head, the second telescopic bag and the first operation cavity; a one-way valve is arranged in the third water channel, so that the solution in the first operation cavity is pumped to the second spray head to be sprayed out when the second telescopic bag is extruded and loosened, and the waste gas is subjected to secondary treatment; the during operation, along with the vibrations of first filter, the extrusion with relax the flexible bag of second to through the flexible bag of second, carry solution to second shower nozzle department, through the blowout of second shower nozzle, further handle waste gas, improve the treatment effect, prevent the residue of sulfur dioxide and dust in the waste gas.

The invention has the following beneficial effects:

1. the invention relates to a waste gas treatment device of an industrial steel-making furnace, which is characterized in that a bulge, a spring, a sliding plate, a moving rod, an extrusion rod, a first telescopic bag and a first spray head are arranged; move about through the rotation of spring and make first flexible bag extrusion and tensile, make first shower nozzle and first apopore spray solution, make dust in the waste gas and sulfur dioxide fully contact solution, carry out preliminary treatment to the sulfur dioxide in the waste gas when making the dust deposit.

2. According to the industrial steel-making furnace waste gas treatment device, the second spray head, the second telescopic bag and the filter plate are arranged, so that sulfur dioxide in waste gas is treated again, dust and sulfur dioxide are treated more thoroughly, and the waste gas is prevented from polluting the atmosphere after being discharged.

3. According to the industrial steel-making furnace waste gas treatment device, the feeding cabin, the water tank and the feeding cabin are arranged, so that water resources and clear lime water solution are recycled, energy is saved, and pollution to the environment caused by directly discharging generated waste is prevented.

Drawings

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

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D;

FIG. 6 is a cross-sectional view E-E of FIG. 2;

in the figure: the base 1, the reaction barrel 11, the trachea 12, first dead lever 13, the arch 14, the slide 15, the second water course 16, the second apopore 17, the gas outlet 18, frame 2, spring 21, first cavity 211, first apopore 212, the movable rod 22, the extrusion pole 23, the fixed plate 24, first flexible bag 25, first operation chamber 26, second operation chamber 27, sucking disc 28, first water course 29, first shower nozzle 3, first filter 4, second cavity 41, baffle 42, pan feeding cabin 43, ejection of compact cabin 44, second flexible bag 45, third water course 46, second dead lever 47, second shower nozzle 48, the water tank 5, drain 51, feed supplement cabin 6, bin outlet 61, collection cabin 62, second filter 63.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the device for treating the waste gas of the industrial steel furnace comprises the steel furnace, a base 1, a frame 2 and a controller; the controller is used for controlling the device to work; the frame body 2 is fixedly connected to the upper surface of the base 1; the steel-making furnace is positioned on the left side of the frame body 2 and fixedly connected to the upper surface of the base 1; a reaction barrel 11 is arranged between the frame body 2 and the steel-making furnace; the reaction barrel 11 penetrates through the frame body 2; the reaction barrel 11 is communicated with the steel making furnace through an air pipe 12 and used for air inlet; the outer wall of the left side of the reaction barrel 11 is fixedly connected with a motor, and a rotating shaft of the motor penetrates through the reaction barrel 11 and is fixedly connected with a spring 21; the inner diameter of the spring 21 is gradually decreased from the middle to the two sides; the upper inner wall and the lower inner wall of the reaction barrel 11 are fixedly connected with first fixing rods 13; the opposite surfaces of the first fixing rods 13 are provided with protrusions 14; the number of the bulges 14 is three, the bulges are different in shape, the left bulges 14 are relatively rounded, the right bulges 14 are designed in a crescent shape, and the rounding degree of the middle bulges 14 is between the left bulges 14 and the right bulges 14; initially, the spring 21 is clamped with the right protrusion 14; a sliding plate 15 is arranged in the frame body 2; the sliding plate 15 is designed in a circular shape, can tightly attach to the inner wall of the reaction barrel 11 and slide into the reaction barrel 11, and is initially positioned outside the reaction barrel 11; the right side surface of the sliding plate 15 is fixedly connected with a moving rod 22; the surface of the moving rod 22 is fixedly connected with an extrusion rod 23; a fixing plate 24 is arranged in the frame body 2, and second air holes are uniformly formed in the surface of the fixing plate 24; the fixing plate 24 is fixedly connected to the inner wall of the frame body 2; a first expansion bag 25 is arranged between the extrusion rod 23 and the fixing plate 24; the fixed plate 24 divides the inner space of the frame body 2 into a first operation cavity 26 and a second operation cavity 27; the first operating chamber 26 is filled with a clarified aqueous lime solution; the lower end of the extrusion rod 23 is provided with a sucking disc 28, and the sucking disc 28 is positioned below the liquid level and can suck the solution; a first water channel 29 is formed in each of the extrusion rod 23, the moving rod 22 and the sliding plate 15; the first water channel 29 is communicated with the suction cup 28 and the first telescopic bag 25; the side wall of the left side of the sliding plate 15 is provided with first spray heads 3 which are uniformly distributed; the first spray head 3 is an atomizing spray head and is communicated with the first water channel 29; a one-way valve is arranged in the first water channel 29 to ensure that the first telescopic bag 25 can absorb water through the sucking disc 28 and then flow to the first nozzle 3 through the first water channel 29 to be sprayed out, so that the dust in the waste gas is completely treated and the sulfur dioxide is primarily treated; the second operation chamber 27 is internally provided with a first filter plate 4; the side wall of the right side of the frame body 2 is provided with an air outlet 18; the moving rod 22 penetrates through the first filter plate 4 and is fixedly connected with the first filter plate 4, and the moving rod 22 is fixedly connected with a push plate 19 in the air outlet 18; when the device works, the motor drives the spring 21 to rotate, the spring 21 moves leftwards in the rotating process due to the clamping of the spring 21 and the bulge 14, the sliding plate 15, the moving rod 22 and the extrusion rod 23 move leftwards, so that the first telescopic bag 25 is stretched, the first telescopic bag 25 absorbs water through the suction disc 28, the solution is absorbed into the first telescopic bag 25, when the spring 21 rotates to form the left bulge 14, the spring 21 moves rightwards instantly due to the fact that the tensile force of the spring 21 is larger than the friction force between the spring 21 and the bulge 14, the spring 21 moves to the clamping position with the rightmost bulge 14 to stop, the extrusion rod 23 extrudes the first telescopic bag 25 in the right moving process of the spring 21, the solution in the first telescopic bag 25 flows to the first spray nozzle 3 through the first water channel 29, the atomized solution is sprayed into the reaction barrel 11 and fully contacts with waste gas, make the dust quality increase in the solution to make the dust deposit, the sulfur dioxide reaction in solution and the waste gas can carry out primary treatment to sulfur dioxide simultaneously, and the carriage release lever 22 removes about the in-process and drives push pedal 19 and remove, can make the interior gaseous intermittent type nature of second operation chamber 27 discharge, improves the exhaust-gas treatment time, thereby makes exhaust-gas treatment more thorough.

As an embodiment of the present invention, a first cavity 211 is formed in the spring 21; the surface of the spring 21 is provided with first water outlet holes 212 which are uniformly distributed, and the first water outlet holes 212 are communicated with the first cavity 211; the first cavity 211 is communicated with the first water channel 29, and the solution can be sprayed out through the first water outlet hole 212 to assist the first nozzle 3 in treating the waste gas, so that the treatment efficiency is improved; during operation, when first bellows 25 received the extrusion and relaxed, solution flows into first cavity 211 through first water course 29 in, and the blowout of first apopore 212 of rethread can assist first shower nozzle 3 to handle the waste gas in the reaction vessel 11, improves waste gas treatment efficiency.

As an embodiment of the present invention, the inner wall of the reaction barrel 11 and the inner wall of the frame 2 are both provided with a second water channel 16, and the second water channel 16 in the reaction barrel 11 is obliquely arranged to accelerate the flow rate of the solution; the inner wall of the reaction barrel 11 is provided with second water outlet holes 17 which are uniformly distributed and communicated with the second water channel 16; the left side wall of the frame body 2 is fixedly connected with a water tank 5, the water tank 5 is communicated with the second water channel 16, and the water tank 5 is communicated with the first operation cavity 26 through a middle opening; a sewage outlet 51 is formed in the bottom of the water tank 5, and a rubber plug is arranged on the sewage outlet 51; a conveying plate 31 is arranged in the first operation cavity 26; the conveying plate 31 is arranged by penetrating into the second water channel 16 and can convey the solution flowing out of the reaction barrel 11 into the water tank 5; during operation, along with the processing of waste gas in the reaction barrel 11, solution and the deposit and the dust that the reaction produced flow into in the water tank 5 through second water course 16 and delivery board 31, deposit in the water tank 5, and the water tank 5 is through the first operation chamber 26 of middle part opening intercommunication, can make the dust solid in the solution fully deposit the back, solution lets in first operation chamber 26, realizes the reuse of solution, after the reaction carries out a period, the deposit in accessible drain 51 is discharged with the water tank 5.

As an embodiment of the invention, a material supplementing cabin 6 is arranged on the surface of the base 1; the feed supplement cabin 6 is communicated with the first operation cavity 26, and solid hydrated lime is filled in the feed supplement cabin 6, so that the consumption of clear lime water can be supplemented; discharge openings 61 are formed in the two sides of the material supplementing cabin 6; the discharge port 61 penetrates through the frame body 2 and the base 1, and the lower surface of the base 1 of the discharge port 61 is communicated with a collection cabin 62; a second filter plate 63 is arranged in the first operation chamber 26; the second filter plate 63 is designed to be bent upwards, and two ends of the second filter plate are fixedly connected to the inner wall of the bottom of the frame body 2; the during operation, solid hydrated lime can prevent that clarification lime aqueous solution from being diluted along with going on of reaction, improve exhaust-gas treatment efficiency, make exhaust-gas treatment more thorough, second filter 63 can filter the hydrated lime in the clarification lime water, prevent hydrated lime solid come-up, can filter the solid that clarification lime water and sulfur dioxide reaction produced simultaneously, prevent that the solid deposit that produces from attaching to solid hydrated lime surface, improve exhaust-gas treatment efficiency, the solid after the filtration falls to collecting compartment 62 in through second filter 63, can collect through collecting compartment 62.

As an embodiment of the present invention, the first filter plate 4 is made of a soft elastic material, and a second cavity 41 is formed in the first filter plate 4; the left inner wall and the right inner wall of the second cavity 41 are uniformly provided with partition plates 42; the baffles 42 are arranged in a staggered manner; the second cavity 41 is filled with slaked lime powder, so that waste gas can be further treated; the top of the frame body 2 is provided with a feeding cabin 43; the lower surface of the base 1 is fixedly connected with a discharging cabin 44; the feeding cabin 43 and the discharging cabin 44 are both communicated with the second cavity 41, so that the consumption of slaked lime powder in the second cavity 41 can be supplemented; the during operation, the first filter 4 of drive about movable rod 22, thereby make the vibrations of first filter 4, waste gas passes through behind the fixed plate 24 and the hydrated lime powder reaction in the second cavity 41, make the sulfur dioxide fully react in the waste gas, along with the vibrations of first filter 4, make hydrated lime powder and baffle 42 vibrations, thereby make the hydrated lime powder flow, supplement through feeding cabin 43, prevent the hydrated lime powder along with going on of reaction, lead to the purity reduction of hydrated lime powder, be unfavorable for dispelling of sulfur dioxide.

As an embodiment of the present invention, a second bellows 45 is fixedly connected between the first filter plate 4 and the fixing plate 24; the fixed plate 24 and the top of the frame body 2 are both provided with a third water channel 46; a second fixing rod 47 is arranged at the top of the first operation cavity 26; the second fixing rod 47 is fixedly connected to the inner wall of the top of the frame body 2; the lower surface of the second fixing rod 47 is provided with second spray heads 48 which are uniformly arranged; the third water channel 46 is communicated with a second spray head 48, a second telescopic bag 45 and the first operation cavity 26; a one-way valve is arranged in the third water channel 46 to ensure that the solution in the first operation cavity 26 is pumped to the second spray head 48 to be sprayed out when the second telescopic bag 45 is extruded and loosened, and the waste gas is subjected to secondary treatment; the during operation, along with the vibrations of first filter 4, the extrusion with relax second flexible bag 45 to through second flexible bag 45, carry solution to second shower nozzle 48 departments, through the blowout of second shower nozzle 48, further handle waste gas, improve the treatment effect, prevent the residue of sulfur dioxide and dust in the waste gas.

When the device works, the motor drives the spring 21 to rotate, the spring 21 moves leftwards in the rotating process due to the clamping of the spring 21 and the bulge 14, the sliding plate 15, the moving rod 22 and the extrusion rod 23 move leftwards, so that the first telescopic bag 25 is stretched, the first telescopic bag 25 absorbs water through the suction disc 28, the solution is absorbed into the first telescopic bag 25, when the spring 21 rotates to form the left bulge 14, the spring 21 moves rightwards instantly due to the fact that the tensile force of the spring 21 is larger than the friction force between the spring 21 and the bulge 14, the spring 21 moves to the clamping position with the rightmost bulge 14 to stop, the extrusion rod 23 extrudes the first telescopic bag 25 in the right moving process of the spring 21, the solution in the first telescopic bag 25 flows to the first spray nozzle 3 through the first water channel 29, the atomized solution is sprayed into the reaction barrel 11, and the first water outlet 212 can spray the solution, solution and the deposit and the dust that the reaction produced flow into in the water tank 5 through second water course 16, deposit in water tank 5, after the dust solid in the solution fully precipitated, solution lets in first operation chamber 26, the deposit discharge in accessible drain 51 is with the water tank 5, second filter 63 can filter the solid that clarification lime wash and sulfur dioxide reaction produced, can collect through collecting compartment 62, and the vibrations of first filter 4, the extrusion is with relaxing second flexible bag 45, thereby pass through second flexible bag 45, carry solution to second shower nozzle 48 department, spout through second shower nozzle 48, the waste gas after the processing is accomplished is discharged through gas outlet 18 intermittence.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an industrial steelmaking furnace exhaust treatment device which characterized in that: comprises a steel-making furnace, a base (1), a frame body (2) and a controller; the controller is used for controlling the device to work; the frame body (2) is fixedly connected to the upper surface of the base (1); the steel-making furnace is positioned on the left side of the frame body (2) and fixedly connected to the upper surface of the base (1); a reaction barrel (11) is arranged between the frame body (2) and the steel-making furnace; the reaction barrel (11) penetrates through the frame body (2); the reaction barrel (11) is communicated with the steel making furnace through an air pipe (12) and used for air inlet; the outer wall of the left side of the reaction barrel (11) is fixedly connected with a motor, and a rotating shaft of the motor penetrates through the reaction barrel (11) and is fixedly connected with a spring (21); the inner diameter of the spring (21) is gradually reduced from the middle to the two sides; the upper inner wall and the lower inner wall of the reaction barrel (11) are fixedly connected with first fixing rods (13); the opposite surfaces of the first fixing rods (13) are provided with bulges (14); the number of the bulges (14) is three, the bulges are different in shape, the left bulges (14) are relatively rounded, the right bulges (14) are designed in a crescent shape, and the rounding degree of the middle bulges (14) is between the left bulges (14) and the right bulges (14); the spring (21) is clamped with the right protrusion (14) at the beginning; a sliding plate (15) is arranged in the frame body (2); the sliding plate (15) is circularly designed, can cling to the inner wall of the reaction barrel (11) and slide into the reaction barrel (11), and is initially positioned outside the reaction barrel (11); the right side surface of the sliding plate (15) is fixedly connected with a moving rod (22); the surface of the moving rod (22) is fixedly connected with an extrusion rod (23); a fixing plate (24) is arranged in the frame body (2), and air holes are uniformly formed in the surface of the fixing plate (24); the fixing plate (24) is fixedly connected to the inner wall of the frame body (2); a first telescopic bag (25) is arranged between the extrusion rod (23) and the fixing plate (24); the fixed plate (24) divides the inner space of the frame body (2) into a first operation cavity (26) and a second operation cavity (27); the first operation cavity (26) is filled with a clarified lime water solution; a sucker (28) is arranged at the lower end of the extrusion rod (23), and the sucker (28) is positioned below the liquid level and can suck the solution; a first water channel (29) is formed in each of the extrusion rod (23), the moving rod (22) and the sliding plate (15); the first water channel (29) is communicated with the suction cup (28) and the first telescopic bag (25); the side wall of the left side of the sliding plate (15) is provided with first spray heads (3) which are uniformly distributed; the first spray head (3) is an atomizing spray head and is communicated with the first water channel (29); a one-way valve is arranged in the first water channel (29) to ensure that the first telescopic bag (25) can absorb water through the sucker (28) and then flow to the first spray head (3) through the first water channel (29) to be sprayed out, so that the dust in the waste gas is completely treated and the sulfur dioxide is primarily treated; a first filter plate (4) is arranged in the second operation cavity (27); an air outlet (18) is formed in the side wall of the right side of the frame body (2); the moving rod (22) penetrates through the first filter plate (4) and is fixedly connected with the first filter plate (4), and the moving rod (22) is fixedly connected with a push plate (19) in the air outlet (18);

a first cavity (211) is formed in the spring (21); the surface of the spring (21) is provided with first water outlet holes (212) which are uniformly distributed, and the first water outlet holes (212) are communicated with the first cavity (211); the first cavity (211) is communicated with the first water channel (29), and solution can be sprayed out through the first water outlet hole (212) to assist the first spray head (3) in treating waste gas, so that the treatment efficiency is improved;

the inner walls of the reaction barrel (11) and the frame body (2) are respectively provided with a second water channel (16), and the second water channels (16) in the reaction barrel (11) are obliquely arranged to accelerate the flow rate of the solution; the inner wall of the reaction barrel (11) is provided with second water outlet holes (17) which are uniformly distributed and communicated with the second water channel (16); the water tank (5) is fixedly connected to the side wall of the left side of the frame body (2), the water tank (5) is communicated with the second water channel (16), and the water tank (5) is communicated with the first operation cavity (26) through the middle opening, so that after dust solids in the solution are fully precipitated, the solution is introduced into the first operation cavity (26), and the solution is recycled; a sewage draining outlet (51) is formed in the bottom of the water tank (5), and a rubber plug is arranged on the sewage draining outlet (51); a conveying plate (31) is arranged in the first operation cavity (26); the conveying plate (31) penetrates into the second water channel (16) and can convey the solution flowing out of the reaction barrel (11) into the water tank (5);

a material supplementing cabin (6) is arranged on the surface of the base (1); the feed supplement cabin (6) is communicated with the first operation cavity (26), and solid hydrated lime is filled in the feed supplement cabin (6) and can supplement the consumption of the clarified lime water; discharge openings (61) are formed in the two sides of the material supplementing cabin (6); the discharge opening (61) penetrates through the frame body (2) and the base (1), and the discharge opening (61) is communicated with a collection cabin (62) on the lower surface of the base (1); a second filter plate (63) is arranged in the first operation cavity (26); the second filter plate (63) is bent upwards, and two ends of the second filter plate are fixedly connected to the inner wall of the bottom of the frame body (2), so that hydrated lime in the clarified limewater can be filtered, and meanwhile, solids generated by the reaction of the clarified limewater and sulfur dioxide can be filtered and can be collected through a collection cabin (62);

the first filter plate (4) is made of soft elastic materials, and a second cavity (41) is formed in the first filter plate (4); the left inner wall and the right inner wall of the second cavity (41) are uniformly provided with partition plates (42); the baffles (42) are arranged in a staggered manner; the second cavity (41) is filled with hydrated lime powder, so that the waste gas can be further treated; a feeding cabin (43) is arranged at the top of the frame body (2); the lower surface of the base (1) is fixedly connected with a discharging cabin (44); the feeding cabin (43) and the discharging cabin (44) are both communicated with the second cavity (41), so that the consumption of hydrated lime powder in the second cavity (41) can be supplemented;

a second telescopic bag (45) is fixedly connected between the first filter plate (4) and the fixing plate (24); third water channels (46) are formed in the top parts of the fixing plate (24) and the frame body (2); a second fixing rod (47) is arranged at the top of the first operation cavity (26); the second fixing rod (47) is fixedly connected to the inner wall of the top of the frame body (2); the lower surface of the second fixing rod (47) is provided with second spray heads (48) which are uniformly distributed; the third water channel (46) is communicated with the second spray head (48), the second telescopic bag (45) and the first operation cavity (26); a one-way valve is arranged in the third water channel (46) to ensure that the solution in the first operation cavity (26) is pumped to the second spray head (48) to be sprayed out when the second telescopic bag (45) is extruded and loosened, and the waste gas is subjected to secondary treatment;

when the device works, the motor drives the spring (21) to rotate, the spring (21) moves leftwards in the rotating process due to the clamping of the spring (21) and the bulge (14), the sliding plate (15), the moving rod (22) and the extrusion rod (23) are driven to move leftwards, so that the first telescopic bag (25) is stretched, the first telescopic bag (25) absorbs water through the sucking disc (28), the solution is absorbed into the first telescopic bag (25), when the spring (21) rotates to be used as the left bulge (14), the spring (21) moves rightwards instantly due to the fact that the pulling force of the spring (21) is larger than the friction force of the spring (21) and the bulge (14), the spring (21) moves to the clamping position with the rightmost bulge (14) to stop due to the fact that the instant force of the spring (21) is larger than the friction force of the spring (21) and the middle bulge (14), and the extrusion rod (23) extrudes the first telescopic bag (25) in the rightwards moving process of the spring (21), so that the solution in the first telescopic bag (25) flows to the first spray head (3) through the first water channel (29), the solution is atomized and then sprayed into the reaction barrel (11), meanwhile, the first water outlet hole (212) can spray the solution, the precipitate and dust generated by reaction flow into the water tank (5) through the second water channel (16), the solution is precipitated in the water tank (5), after the dust solid in the solution is fully precipitated, the solution is introduced into the first operation cavity (26), the precipitate in the water tank (5) can be discharged through the sewage discharge port (51), the second filter plate (63) can filter the solid generated by reaction of the clarified limewater and the sulfur dioxide, the solid can be collected through the collection cabin (62), and the vibration of the first filter plate (4) extrudes and releases the second telescopic bag (45), so that the solution is conveyed to the second spray head (48) through the second telescopic bag (45) and is sprayed out through the second spray head (48), the waste gas after the treatment is discharged intermittently through the gas outlet (18).