CN114543539A - Hot flue gas treatment device and method for industrial furnace - Google Patents

Abstract

The invention discloses a hot flue gas treatment device and a treatment method for an industrial furnace, which comprises a bottom plate directly placed on the ground; meanwhile, the right end of the first smoke inlet pipe is arranged at the upper left end of the connecting cylinder; the box body is fixedly connected to the right upper end of the industrial furnace body; further comprising: the filter frame with a concave-shaped front longitudinal section is arranged in the middle end of the connecting cylinder; the mounting mechanism is arranged on the filtering frame; the anti-blocking mechanism is arranged on the connecting cylinder. This hot flue gas processing apparatus and processing method for industrial furnace conveniently clears up the filter screen, leads to the filter screen to block up when preventing to purify for the speed of purification, installs the dismantlement to purifying the subassembly easily moreover, is convenient for collect the comdenstion water when flue gas waste heat is retrieved simultaneously, carries out cyclic utilization to the comdenstion water, and can heat pure oxygen or liquid oxygen when waste heat is retrieved.

Description

Hot flue gas treatment device and method for industrial furnace

Technical Field

The invention relates to the technical field of industrial furnaces, in particular to a hot flue gas treatment device and a treatment method for an industrial furnace.

Background

The industrial furnace has a wide application range in industrial production, combustible materials such as coal or coke are used as fuel, the heat generated during fuel combustion heats workpieces or materials, the industrial furnace can generate a large amount of hot flue gas during fuel combustion, and the hot flue gas needs to be processed by a processing device;

however, when the hot flue gas treatment device for the industrial furnace in the background of the prior art is used, certain problems still exist, such as:

1. the filter screen is inconvenient to clean, so that the filter screen is easily blocked by impurities in the flue gas during purification, and the purification speed is reduced;

2. the purification component is not easy to be assembled and disassembled, so that the purification component is not easy to be taken out from the connecting cylinder (4) for replacement;

3. condensed water is inconvenient to collect during flue gas waste heat recovery, so that the condensed water generated during hot flue gas condensation heat exchange is difficult to take out from the inside of the connecting cylinder (4);

4. inconvenient heating pure oxygen or liquid oxygen when waste heat recovery, lead to industrial furnace body (2) to need to heat pure oxygen when burning, reduce the efficiency of burning.

Therefore, we propose a hot flue gas treatment device and a treatment method for an industrial furnace, so as to solve the problems proposed in the above.

Disclosure of Invention

The invention aims to provide a hot flue gas treatment device and a treatment method for an industrial furnace, and aims to solve the problems that the conventional bottom mud immobilization treatment device provided by the background art is inconvenient to clean a filter screen, the filter screen is easy to block during purification, the purification speed is reduced, a purification assembly is not easy to install and disassemble, condensed water is inconvenient to collect during flue gas waste heat recovery, the condensed water is inconvenient to recycle, and pure oxygen or liquid oxygen is inconvenient to heat during waste heat recovery.

In order to achieve the purpose, the invention provides the following technical scheme: a bottom mud immobilization disposal device comprises a bottom plate directly placed on the ground, wherein the middle upper end of the bottom plate is fixedly connected with an industrial furnace body, and the upper end of the industrial furnace body is connected with a first smoke inlet pipe through a bolt;

meanwhile, the right end of the first smoke inlet pipe is arranged at the upper left end of the connecting cylinder, and the front left end of the first smoke inlet pipe is connected with a first motor through a bolt;

the box body is fixedly connected to the right upper end of the industrial furnace body, and the left rear end of the box body is connected with a second motor through a bolt;

further comprising:

the filter frame with a concave-shaped vertical section is placed in the middle end of the connecting cylinder, a first filter screen is installed at the left end of the filter frame, a second filter screen is installed at the right end of the filter frame, meshes of the second filter screen are smaller than those of the first filter screen, and the diameter of the outer end of the filter frame is equal to that of the inner end of the connecting cylinder;

the filter comprises a filter frame, an installation mechanism and a first sealing plate, wherein the installation mechanism is arranged on the filter frame and comprises a limiting block, an active carbon filter bag, the first sealing plate, a limiting rod and a limiting cover, and the limiting block is embedded and connected with the upper end and the lower end of the interior of the filter frame in a bilateral symmetry manner;

the anti-blocking mechanism is arranged on the connecting cylinder and comprises a first connecting shaft, a cleaning brush, first bevel teeth, second bevel teeth, a second connecting shaft, a first connecting piece, a belt and a second connecting piece, and the first connecting shaft is connected inside the connecting cylinder in a bilaterally symmetrical mode;

the second smoke inlet pipe is fixedly connected to the upper right end of the connecting cylinder, the right end of the second smoke inlet pipe is fixedly connected to the upper left end of the box body, a second connecting pipe and a first connecting pipe are respectively connected to the interior of the box body through bolts, and a smoke exhaust pipe is installed at the right end of the box body;

stop gear, stop gear installs the lower extreme at the box, and stop gear includes header tank, mounting panel, threaded rod, guide bar and connecting plate to header tank sliding connection is in the inside bottom of box, and wherein the outer end cross sectional area of header tank equals with the inner cross sectional area of box.

Preferably, the inner end of the limiting block is connected with an active carbon filter bag in a clamping manner, the diameter of the active carbon filter bag is equal to that of the inner end of the filter frame, the bottom end of the filter frame is integrally connected with a first sealing plate with an arc-shaped left-side-view longitudinal section, and the front end and the rear end of the first sealing plate are connected with limiting rods in a nesting manner;

the lower end of the limiting rod is connected with a limiting cover in a threaded manner, the upper end of the limiting rod which is symmetrically arranged in the front-back direction is embedded at the middle lower end of the connecting cylinder, the collecting tank is integrally connected to the bottom end of the connecting cylinder in a bilateral symmetry manner, and meanwhile, the front end of the collecting tank is connected with a second sealing plate of which the longitudinal section is of a convex structure in a clamping manner.

Through adopting above-mentioned technical scheme, because the inner block of stopper is connected with the active carbon and crosses the filter bag, the equal nested connecting in both ends has the gag lever post around the first closing plate, and the lower extreme threaded connection of gag lever post has spacing lid, consequently installs the dismantlement to purifying the subassembly easily.

Preferably, the outer surface of the inner end of the first connecting shaft is in equal-angle welding connection with a cleaning brush, the diameter of the rotating track of the cleaning brush is larger than that of the first filter screen, the outer end of the first connecting shaft is integrally connected with first bevel teeth, and the rear end of the first bevel teeth is meshed with second bevel teeth;

the circle center of the second conical tooth is fixedly connected with a second connecting shaft, a first motor is installed at the front end of the second connecting shaft on the left side, the rear end of the second connecting shaft on the left side is integrally connected with a first connecting piece, and the first connecting piece and the second connecting piece are in transmission connection through a belt.

Through adopting above-mentioned technical scheme, because the inner outward surface of first connecting axle is the welded connection who waits the angle and has the cleaning brush, the diameter of the rotatory orbit of cleaning brush is greater than the diameter of first filter screen, and the rear end meshing of first awl tooth is provided with second awl tooth, and first connecting piece passes through the belt with the second connecting piece and is connected mutually in the transmission, consequently conveniently clears up the filter screen, leads to the filter screen to block up when preventing to purify for the speed of purification.

Preferably, the second connecting piece is integrally connected to the rear end of the second connecting shaft on the right side, the second connecting shaft is rotatably connected to the left end and the right end of the connecting cylinder respectively, the inner end diameter of the first connecting piece is smaller than that of the second connecting piece, the cross sections of the second connecting piece and the first connecting piece are of an I-shaped structure, and the cleaning brush is of a rotating structure in the connecting cylinder through the first connecting piece and the second taper teeth.

Through adopting above-mentioned technical scheme, because the inner diameter of first connecting piece is less than the inner diameter of second connecting piece, the second connecting piece is "worker" font structure with the cross section of first connecting piece, and the cleaning brush is revolution mechanic in the inside of connecting cylinder through first connecting piece and second cone tooth, consequently conveniently clears up the filter screen, leads to the filter screen to block up when preventing to purify for the speed of purification.

Preferably, the front-view longitudinal section of the second connecting pipe and the right-side view longitudinal section of the first connecting pipe are both of a bent structure, the inner end of the first connecting pipe is in contact with the outer wall of the second connecting pipe, the left lower end of the first connecting pipe is fixedly connected with a third connecting pipe, the left end of the third connecting pipe is installed at the right lower end of the industrial furnace body, and meanwhile the first connecting pipe is communicated with the industrial furnace body through the third connecting pipe.

Through adopting above-mentioned technical scheme, because the front view longitudinal section of second connecting pipe and the right side of first connecting pipe are looked the longitudinal section and are the bending shape structure, the inner of first connecting pipe contacts with the outer wall of second connecting pipe, and first connecting pipe communicates through third connecting pipe and industrial furnace body mutually, consequently can heat pure oxygen or liquid oxygen when waste heat recovery.

Preferably, the front end bilateral symmetry of header tank inlay and be connected with the mounting panel, and the inside threaded connection of left side mounting panel has the threaded rod to the rear end of threaded rod rotates to be connected on left connecting plate, and wherein the mounting panel is about the fixed connection of the vertical axis bilateral symmetry of box in the upper right end of bottom plate.

Through adopting above-mentioned technical scheme, because the inside threaded connection of left side mounting panel has the threaded rod, the mounting panel is in the upper right end of bottom plate about the fixed connection of the vertical axis bilateral symmetry of box, consequently is convenient for collect the comdenstion water when flue gas waste heat retrieves, carries out cyclic utilization to the comdenstion water.

Preferably, the second motor is installed to the rear end of threaded rod, and the header tank passes through threaded rod and guide rod and is sliding construction around the inside of box, the rear end fixed connection of guide rod is on the right side connecting plate, and the inside sliding connection of right side mounting panel is on the guide rod.

Through adopting above-mentioned technical scheme, because the header tank passes through threaded rod and guide bar and is sliding construction around the inside of box, the inside sliding connection of right side mounting panel is on the guide bar, is convenient for consequently collect the comdenstion water when flue gas waste heat retrieves, carries out cyclic utilization to the comdenstion water.

Preferably, the longitudinal sections of the guide rod and the threaded rod are both T-shaped structures, the longitudinal section of the front lower wall of the box body on the upper side of the guide rod is in a mouth-shaped structure, and the front-view longitudinal section area of the mouth-shaped structure is smaller than that of the front end of the water collecting tank.

Through adopting above-mentioned technical scheme, because the preceding lower wall longitudinal section of the box of guide bar upside is "mouth" font structure, the front end front view longitudinal section area that its "mouth" font structure is less than the header tank is convenient for collect the comdenstion water when flue gas waste heat retrieves, carries out cyclic utilization to the comdenstion water.

The invention provides another technical scheme: a hot flue gas treatment method for an industrial furnace comprises the following steps:

step 1: hot flue gas in the industrial furnace body enters the interior of the connecting cylinder for purification, and condensation heat exchange is carried out after purification; oxygen or liquid oxygen with the temperature lower than that of hot flue gas is added as a heat exchange medium in the condensation heat exchange process;

step 2: the cooled cold flue gas is converted into condensed water and carbon dioxide through latent heat recovery; and feeding the oxygen after temperature rise into an industrial furnace for combustion.

Compared with the prior art, the invention has the beneficial effects that: the hot flue gas treatment device and the treatment method for the industrial furnace have the advantages that the filter screen is convenient to clean, the filter screen is prevented from being blocked during purification, the purification speed is accelerated, the purification component is easy to install and disassemble, and meanwhile, the condensed water is convenient to collect during flue gas waste heat recovery and can be recycled, and pure oxygen or liquid oxygen can be heated during waste heat recovery;

1. the anti-blocking mechanism is arranged, and the cleaning brush and the connecting cylinder are structurally designed, so that the first connecting piece drives the second connecting piece to rotate through the belt, the cleaning brush is driven to rotate through the second bevel gear and the first bevel gear, and the cleaning brush arranged at equal angles is contacted with the left end of the first filter screen and the right end of the second filter screen when rotating, so that the filter screens are conveniently cleaned, the filter screens are prevented from being blocked during purification, and the purification speed is accelerated;

2. the lower end of the limiting rod is in threaded connection with a limiting cover, so that the limiting cover is separated from the lower end of the limiting rod when rotating, the filter frame is pulled downwards until the filter frame is separated from the inside of the connecting cylinder, the inner end of the limiting block is connected with an active carbon filter bag in a clamping manner, and the active carbon filter bag is pulled upwards to be separated from the inside of the filter frame, so that the purification assembly is easy to mount and dismount;

3. the limiting mechanism is arranged, the cross section area of the outer end of the water collecting tank is equal to that of the inner end of the box body, so that when the second connecting pipe conducts condensation heat exchange on hot flue gas, condensed water falls into the water collecting tank, and the water collecting tank and the box body are structurally designed, so that the water collecting tank is driven by the guide rod to move forwards at the lower end of the interior of the box body when the threaded rod rotates, and therefore the condensed water can be collected when the waste heat of the flue gas is recovered, and the condensed water can be recycled;

4. be equipped with first connecting pipe and second connecting pipe, the right side of first connecting pipe is looked the longitudinal section and is the bending structure, it is long at the inside dwell time of first connecting pipe to increase oxygen, let the second connecting pipe let the heat transfer heat for the oxygen in first connecting pipe when carrying out waste heat recovery, the structural design of first connecting pipe and industrial furnace body, the oxygen that becomes hot in the first connecting pipe spreads into the inside of industrial furnace body through the third connecting pipe, thereby can heat pure oxygen or liquid oxygen when waste heat recovery.

Drawings

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

FIG. 2 is a schematic top sectional view of a second cone and a second connecting member according to the present invention;

FIG. 3 is a schematic diagram of a right side sectional view of the connection of the first connecting pipe and the second connecting pipe according to the present invention;

FIG. 4 is a schematic diagram of a left side sectional view of the cleaning brush and the first connecting shaft of the present invention;

FIG. 5 is a schematic diagram of a left side sectional view of the first seal plate and the second bevel gear of the present invention;

FIG. 6 is a schematic bottom sectional view of the guide bar and the mounting plate of the present invention;

FIG. 7 is a rear sectional view of the first connecting member connected to a belt in accordance with the present invention;

FIG. 8 is a schematic diagram of the working process of the present invention.

In the figure: 1. a base plate; 2. an industrial furnace body; 3. a first smoke inlet pipe; 4. a connecting cylinder; 5. a filter frame; 6. a first filter screen; 7. a second filter screen; 8. an installation mechanism; 801. a limiting block; 802. an active carbon filter bag; 803. a first sealing plate; 804. a limiting rod; 805. a limiting cover; 9. an anti-clogging mechanism; 901. a first connecting shaft; 902. cleaning brushes; 903. a first bevel gear; 904. a second taper tooth; 905. a second connecting shaft; 906. a first connecting member; 907. a belt; 908. a second connecting member; 10. a first motor; 11. collecting tank; 12. a second sealing plate; 13. a second smoke inlet pipe; 14. a box body; 15. a first connecting pipe; 16. a second connecting pipe; 17. a smoke exhaust pipe; 18. a third connecting pipe; 19. a limiting mechanism; 1901. a water collection tank; 1902. mounting a plate; 1903. a threaded rod; 1904. a guide rod; 1905. a connecting plate; 20. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a bottom mud immobilization treatment device comprises a bottom plate 1, an industrial furnace body 2, a first smoke inlet pipe 3, a connecting cylinder 4, a filter frame 5, a first filter screen 6, a second filter screen 7, an installation mechanism 8, an anti-blocking mechanism 9, a first motor 10, a collecting tank 11, a second sealing plate 12, a second smoke inlet pipe 13, a box body 14, a first connecting pipe 15, a second connecting pipe 16, a smoke exhaust pipe 17, a third connecting pipe 18, a limiting mechanism 19 and a second motor 20, wherein the bottom plate 1 is directly placed on the ground, the middle upper end of the bottom plate 1 is fixedly connected with the industrial furnace body 2, and the upper end of the industrial furnace body 2 is connected with the first smoke inlet pipe 3 through bolts;

meanwhile, the right end of the first smoke inlet pipe 3 is arranged at the left upper end of the connecting cylinder 4, and the left front end of the first smoke inlet pipe 3 is connected with a first motor 10 through a bolt;

the box body 14 is fixedly connected to the right upper end of the industrial furnace body 2, and the left rear end of the box body 14 is connected with a second motor 20 through a bolt;

further comprising:

the filter frame 5 is placed in the middle end of the connecting cylinder 4, the filter frame 5 with a concave-shaped structure in front-view longitudinal section is placed in the middle end of the connecting cylinder 4, a first filter screen 6 is installed at the left end of the filter frame 5, a second filter screen 7 is installed at the right end of the filter frame 5, meshes of the second filter screen 7 are smaller than meshes of the first filter screen 6, and the diameter of the outer end of the filter frame 5 is equal to that of the inner end of the connecting cylinder 4;

the mounting mechanism 8 is arranged on the filtering frame 5, the mounting mechanism 8 comprises a limiting block 801, an activated carbon filter bag 802, a first sealing plate 803, a limiting rod 804 and a limiting cover 805, wherein the limiting block 801 is embedded and connected in bilateral symmetry at the upper end and the lower end of the interior of the filtering frame 5;

the anti-blocking mechanism 9 is arranged on the connecting cylinder 4, the anti-blocking mechanism 9 comprises a first connecting shaft 901, a cleaning brush 902, a first bevel gear 903, a second bevel gear 904, a second connecting shaft 905, a first connecting piece 906, a belt 907 and a second connecting piece 908, and the first connecting shaft 901 is connected inside the connecting cylinder 4 in a bilaterally symmetrical manner;

the second smoke inlet pipe 13 is fixedly connected to the right upper end of the connecting cylinder 4, the right end of the second smoke inlet pipe 13 is fixedly connected to the left upper end of the box body 14, a second connecting pipe 16 and a first connecting pipe 15 are respectively bolted inside the box body 14, and a smoke exhaust pipe 17 is installed at the right end of the box body 14;

the limiting mechanism 19 is installed at the lower end of the box body 14, the limiting mechanism 19 comprises a water collecting tank 1901, an installing plate 1902, a threaded rod 1903, a guiding rod 1904 and a connecting plate 1905, the water collecting tank 1901 is connected to the inner bottom end of the box body 14 in a sliding mode, and the cross-sectional area of the outer end of the water collecting tank 1901 is equal to the cross-sectional area of the inner end of the box body 14;

when the sleep disorder-based interaction device is used, with reference to fig. 1, 2, 4, 5 and 7, when combustible fuel in the industrial furnace body 2 is combusted, hot flue gas generated in the industrial furnace body 2 enters the inside of the connecting cylinder 4 through the first smoke inlet pipe 3, because the meshes of the second filter screen 7 are smaller than those of the first filter screen 6, the hot flue gas is sequentially purified and filtered by the first filter screen 6, the activated carbon filter bag 802 and the second filter screen 7, the first filter screen 6 and the second filter screen 7 are prevented from being blocked by the structure consisting of the first connecting shaft 901, the cleaning brush 902, the first conical tooth 903, the second conical tooth 904, the second connecting shaft 905, the first connecting piece 906, the belt 907 and the second connecting piece 908, because the first connecting piece 906 and the second connecting piece 908 are in transmission connection through the belt 907, the inner end diameter of the first connecting piece 906 is smaller than that of the second connecting piece 908, the cleaning brush 902 is in a rotating structure inside the connecting cylinder 4 through the first connecting piece 906 and the second taper tooth 904, so that the first motor 10 drives the second connecting shaft 905 on the left side to rotate at the left end of the connecting cylinder 4 when working, and the second connecting shaft 905 drives the first connecting piece 906 to rotate when rotating;

the belt 907 drives the second connecting piece 908 to rotate, when the second connecting piece 908 and the first connecting piece 906 rotate, the second connecting piece 905 symmetrically arranged at left and right sides drives the second conical teeth 904 at corresponding positions to rotate, when the left and right two groups of second conical teeth 904 rotate, the left and right two groups of first conical teeth 903 are meshed with the first conical teeth 903, the left and right two groups of first conical teeth 903 drive the first connecting shaft 901 to rotate at the left and right ends in the connecting cylinder 4, the first connecting shaft 901 drives the cleaning brush 902 arranged at an equal angle to rotate, wherein the diameter of the rotating track of the cleaning brush 902 is larger than that of the first filter screen 6, the inner end of the cleaning brush 902 is respectively contacted with the left end of the first filter screen 6 and the right end of the second filter screen 7 when rotating, the cleaning brush 902 cleans the first filter screen 6 and the second filter screen 7, and prevents impurities in hot smoke from being blocked in the meshes of the first filter screen 6 and the second filter screen 7, the cleaned impurities enter the collecting tank 11 at the corresponding position;

when impurities in the collecting tank 11 are cleaned, the second sealing plate 12 is pulled forwards, the second sealing plate 12 which is clamped and connected to the inside of the collecting tank 11 and has a convex longitudinal section is separated, the impurities in the collecting tank 11 are cleaned, and therefore the first filter screen 6 and the second filter screen 7 are conveniently cleaned, the first filter screen 6 and the second filter screen 7 are prevented from being blocked during purification, the purification speed is accelerated, the cross sections of the second connecting piece 908 and the first connecting piece 906 are of I-shaped structures, and the belt 907 is prevented from falling off from the second connecting piece 908 and the first connecting piece 906;

with reference to fig. 1, 2 and 4, the filter frame 5 is taken out from the inside of the connecting cylinder 4 through a pair of structures consisting of the limiting block 801, the activated carbon filter bag 802, the first sealing plate 803, the limiting rod 804 and the limiting cover 805, because the lower end of the limiting rod 804 is in threaded connection with the limiting cover 805, the limiting cover 805 is rotated to separate the front and rear limiting covers 805 from the lower end of the limiting rod 804 at corresponding positions, the filter frame 5 is pulled downwards until the front and rear ends of the first sealing plate 803 are separated from the limiting rod 804, the filter frame 5 is taken out from the inside of the connecting cylinder 4, the first filter screen 6 and the second filter screen 7 are respectively installed at the left end and the right end of the filter frame 5, the first filter screen 6 and the second filter screen 7 can be detached, the activated carbon filter bag 802 is clamped and connected to the inner ends of the limiting blocks 801 symmetrically arranged at left and right, the activated carbon filter bag 802 is pulled upwards to take out from the inside of the filter frame 5 with the longitudinal section in the structure of the shape of the Chinese character 'ao', thereby the purification component is easy to be assembled and disassembled;

referring to fig. 1 and 3, after the hot flue gas is purified, the hot flue gas enters the inside of the box 14 through the second smoke inlet pipe 13, and water enters the inside of the second connecting pipe 16 through the upper end of the second connecting pipe 16, because the front-view longitudinal section of the second connecting pipe 16 and the right-side-view longitudinal section of the first connecting pipe 15 are both curved structures, and the inner end of the first connecting pipe 15 is in contact with the outer wall of the second connecting pipe 16, the curved shape of the second connecting pipe 16 can increase the contact area between the hot flue gas and the second connecting pipe 16, so that the heat in the hot flue gas is transferred to the water in the second connecting pipe 16, the water is changed into hot water to recover the waste heat, so that the pure oxygen or liquid oxygen enters the inside of the first connecting pipe 15 through the rear upper end of the first connecting pipe 15, the residence time of the pure oxygen or liquid oxygen in the first connecting pipe 15 is increased to the left and right of the curved structure of the first connecting pipe 15, and the waste heat of the hot flue gas in the box 14 is collected, pure oxygen or liquid oxygen can be heated, the heated pure oxygen or liquid oxygen enters the third connecting pipe 18 through the left lower end of the first connecting pipe 15 and enters the industrial furnace body 2 through the third connecting pipe 18, so that the pure oxygen or liquid oxygen can be heated during waste heat recovery, and the combustion efficiency is improved;

with reference to fig. 1, 3 and 6, condensed water generated during condensation heat exchange is collected through a structure composed of a water collection tank 1901, a mounting plate 1902, a threaded rod 1903, a guide rod 1904 and a connecting plate 1905, when the water collection tank 1901 is completely located at the inner lower end of the tank body 14, the longitudinal section of the front lower wall of the tank body 14 is of a structure shaped like a Chinese character 'kou', the front-view longitudinal sectional area of the structure shaped like a Chinese character 'kou' is smaller than the front-view longitudinal sectional area of the water collection tank 1901, so that the front end of the water collection tank 1901 seals the front lower end of the tank body 14, the cross sectional area of the outer end of the water collection tank 1901 is equal to the cross sectional area of the inner end of the tank body 14, and the condensed water in the tank body 14 falls into the water collection tank 1901 for collection;

because the water collecting tank 1901 is in a front-back sliding structure inside the box body 14 through the threaded rod 1903 and the guide rod 1904, the second motor 20 drives the threaded rod 1903 to rotate when in operation, the threaded rod 1903 is made to rotate on the connecting plate 1905 on the left side, the mounting plates 1902 which are bilaterally symmetrical when the threaded rod 1903 rotates can move to the front end on the threaded rod 1903 and the guide rod 1904 through the arrangement of the guide rod 1904, the water collecting tank 1901 is driven to slide to the front end on the lower end inside the box body 14 through the mounting plates 1902, the condensed water collected inside the water collecting tank 1901 is processed, so that the condensed water is collected during the recovery of the residual heat of the flue gas, and the condensed water is recycled, wherein the longitudinal sections of the guide rod 1904 and the threaded rod 1903 are both in a "T" shape structure, the mounting plates 1902 are prevented from being separated from the threaded rod 1903 and the guide rod 1904, and this is the whole working process of the hot flue gas processing device and the processing method for the industrial furnace, those not described in detail in this specification are within the skill of the art.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (9)

1. A hot flue gas treatment device for an industrial furnace comprises a bottom plate (1) directly placed on the ground, wherein the middle upper end of the bottom plate (1) is fixedly connected with an industrial furnace body (2), and the upper end of the industrial furnace body (2) is connected with a first smoke inlet pipe (3) through a bolt;

meanwhile, the right end of the first smoke inlet pipe (3) is arranged at the upper left end of the connecting cylinder (4), and the front left end of the first smoke inlet pipe (3) is connected with a first motor (10) through a bolt;

the box body (14), the box body (14) is fixedly connected to the right upper end of the industrial furnace body (2), and the left rear end of the box body (14) is connected with a second motor (20) through a bolt;

it is characterized by also comprising:

the filter device comprises a filter frame (5), wherein the filter frame (5) with a concave-shaped longitudinal section is placed in the middle end of the connecting cylinder (4), a first filter screen (6) is installed at the left end of the filter frame (5), a second filter screen (7) is installed at the right end of the filter frame (5), meshes of the second filter screen (7) are smaller than meshes of the first filter screen (6), and the diameter of the outer end of the filter frame (5) is equal to that of the inner end of the connecting cylinder (4);

the filter frame comprises a mounting mechanism (8), wherein the mounting mechanism (8) is arranged on the filter frame (5), the mounting mechanism (8) comprises a limiting block (801), an activated carbon filter bag (802), a first sealing plate (803), a limiting rod (804) and a limiting cover (805), and the limiting block (801) is embedded and connected in the upper end and the lower end of the interior of the filter frame (5) in a bilateral symmetry manner;

the anti-blocking mechanism (9) is arranged on the connecting cylinder (4), the anti-blocking mechanism (9) comprises a first connecting shaft (901), a cleaning brush (902), a first bevel gear (903), a second bevel gear (904), a second connecting shaft (905), a first connecting piece (906), a belt (907) and a second connecting piece (908), and the first connecting shaft (901) is connected inside the connecting cylinder (4) in a bilaterally symmetrical manner in a rotating manner;

the second smoke inlet pipe (13), the second smoke inlet pipe (13) is fixedly connected to the upper right end of the connecting cylinder (4), the right end of the second smoke inlet pipe (13) is fixedly connected to the upper left end of the box body (14), a second connecting pipe (16) and a first connecting pipe (15) are respectively connected to the interior of the box body (14) through bolts, and a smoke exhaust pipe (17) is installed at the right end of the box body (14);

stop gear (19), stop gear (19) are installed at the lower extreme of box (14), and stop gear (19) include header tank (1901), mounting panel (1902), threaded rod (1903), guide bar (1904) and connecting plate (1905) to header tank (1901) sliding connection is in the inside bottom of box (14), and wherein the outer end cross sectional area of header tank (1901) equals with the inner end cross sectional area of box (14).

2. The hot flue gas treatment device for the industrial furnace according to claim 1, wherein: the inner end of the limiting block (801) is connected with an active carbon filter bag (802) in a clamping mode, the diameter of the active carbon filter bag (802) is equal to that of the inner end of the filter frame (5), the bottom end of the filter frame (5) is integrally connected with a first sealing plate (803) with an arc-shaped left-side-view longitudinal section, and the front end and the rear end of the first sealing plate (803) are connected with a limiting rod (804) in a nesting mode;

the lower end of the limiting rod (804) is connected with a limiting cover (805) in a threaded manner, the upper ends of the limiting rod (804) which are symmetrically arranged front and back are embedded at the middle lower end of the connecting cylinder (4), the collecting tank (11) is integrally connected to the bottom end of the connecting cylinder (4) in a bilateral symmetry manner, and meanwhile, the front end of the collecting tank (11) is connected with a second sealing plate (12) of which the longitudinal section is of a convex structure in a clamping manner.

3. The hot flue gas treatment device for the industrial furnace according to claim 1, wherein: the outer surface of the inner end of the first connecting shaft (901) is in equal-angle welding connection with a cleaning brush (902), the diameter of the rotating track of the cleaning brush (902) is larger than that of the first filter screen (6), the outer end of the first connecting shaft (901) is integrally connected with a first bevel gear (903), and the rear end of the first bevel gear (903) is meshed with a second bevel gear (904);

the circle center of the second cone gear (904) is fixedly connected with a second connecting shaft (905), the front end of the second connecting shaft (905) on the left side is provided with a first motor (10), the rear end of the second connecting shaft (905) on the left side is integrally connected with a first connecting piece (906), and the first connecting piece (906) and the second connecting piece (908) are in transmission connection through a belt (907).

4. The hot flue gas treatment device for the industrial furnace according to claim 3, wherein: second connecting piece (908) integration is connected at the rear end of right side second connecting axle (905), and second connecting axle (905) rotates respectively and connects both ends about connecting cylinder (4), the inner diameter of first connecting piece (906) is less than the inner diameter of second connecting piece (908), and second connecting piece (908) and the cross section of first connecting piece (906) are "worker" font structure, and wherein clearance brush (902) are revolution mechanic through first connecting piece (906) and second toper tooth (904) in the inside of connecting cylinder (4).

5. The hot flue gas treatment device for the industrial furnace according to claim 1, wherein: the front-view longitudinal section of the second connecting pipe (16) and the right-side view longitudinal section of the first connecting pipe (15) are both of a bent structure, the inner end of the first connecting pipe (15) is in contact with the outer wall of the second connecting pipe (16), the left lower end of the first connecting pipe (15) is fixedly connected with a third connecting pipe (18), the left end of the third connecting pipe (18) is installed at the right lower end of the industrial furnace body (2), and meanwhile the first connecting pipe (15) is communicated with the industrial furnace body (2) through the third connecting pipe (18).

6. The hot flue gas treatment device for the industrial furnace according to claim 1, wherein: the front end bilateral symmetry of header tank (1901) inlay and be connected with mounting panel (1902), and the internal thread of left side mounting panel (1902) is connected with threaded rod (1903) to the rear end of threaded rod (1903) is rotated and is connected on left connecting plate (1905), and wherein mounting panel (1902) is about the fixed connection of the vertical axis bilateral symmetry of box (14) upper right end at bottom plate (1).

7. The hot flue gas treatment device for the industrial furnace according to claim 6, wherein: second motor (20) are installed to the rear end of threaded rod (1903), and header tank (1901) is sliding construction around the inside of box (14) through threaded rod (1903) and guide bar (1904), the rear end fixed connection of guide bar (1904) is on right side connecting plate (1905), and the inside sliding connection of right side mounting panel (1902) is on guide bar (1904).

8. The hot flue gas treatment device for the industrial furnace according to claim 7, wherein: the longitudinal sections of the guide rod (1904) and the threaded rod (1903) are both of a T-shaped structure, the longitudinal section of the front lower wall of the box body (14) on the upper side of the guide rod (1904) is of a mouth-shaped structure, and the front-view longitudinal sectional area of the mouth-shaped structure is smaller than that of the front end of the water collecting tank (1901).

9. A hot flue gas treatment method for an industrial furnace is characterized by comprising the following steps: comprises the following steps:

step 1: hot flue gas in the industrial furnace body (2) enters the inside of the connecting cylinder (4) for purification, and condensation heat exchange is carried out after purification; oxygen or liquid oxygen with the temperature lower than that of hot flue gas is added as a heat exchange medium in the condensation heat exchange process;

step 2: the cooled cold flue gas is converted into condensed water and carbon dioxide through latent heat recovery; and feeding the oxygen after temperature rise into an industrial furnace for combustion.

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