CN220589305U - Waste gas waste heat utilization device of blast furnace hot blast stove - Google Patents

Abstract

The utility model relates to the technical field of hot blast stoves and discloses a waste heat utilization device for waste gas of a blast furnace, which comprises a base, wherein a filter box is fixedly arranged at the top of the base, an induced draft fan is arranged at the top of the base, the induced draft fan is fixedly arranged with the filter box, an air outlet pipe is fixedly arranged at the top of the filter box, a motor frame is fixedly arranged on the right side of the filter box, a motor is fixedly arranged outside the motor frame, a filter layer is slidably arranged on the inner wall of the filter box, a cleaning mechanism is arranged on the inner wall of the filter box, a collecting mechanism is arranged at the bottom of the base, and a rotary drum is enabled to move up and down under the cooperation of a spring through a connecting column and an eccentric wheel which are arranged, so that a jack post is driven to impact the filter layer, dust attached to the filter layer is conveniently knocked off, and a cleaning roller slides on the inner wall of the filter box along with the up-down movement of a first rotary column, and the dust attached to the inner wall of the filter box is scraped.

Description

Waste gas waste heat utilization device of blast furnace hot blast stove

Technical Field

The utility model relates to the technical field of hot blast stoves, in particular to a waste gas and waste heat utilization device of a blast furnace hot blast stove.

Background

The blast furnace hot blast furnace is one of the main matched equipment of the blast furnace in the iron works, generally, 3-4 blast furnaces are matched with one blast furnace, and the blast furnace is used for continuously providing high-temperature hot blast with the temperature of more than 1000 ℃ for the blast furnace, and the air temperature of the advanced modern hot blast furnace can reach 1300 ℃.

The utility model discloses a blast furnace hot blast stove waste heat utilization system (the authorized bulletin number is CN 215893285U) disclosed by a patent net. The rotary shaft is driven to synchronously rotate through motor work, the rotary shaft drives the eccentric cam to rotate at first, the eccentric cam is in intermittent contact with and extrudes and beats the lower surface of the sliding block, so that certain vibration can be generated, dust and impurities adsorbed on the lower surface of the filter screen can be shaken off, meanwhile, the sliding block can overcome the elasticity of the spring A and slide and rise along the inside of the limiting sliding groove when the eccentric cam extrudes the sliding block, excessive extrusion from the eccentric cam can be effectively buffered, the condition that the filter screen is easy to damage due to long-term compression is effectively avoided, and the service life of the filter screen is prolonged to a certain extent. "

With respect to the above description, the applicant believes that the following problems exist:

in the use process, the filtering screw cap is unscrewed from the end part of the dust discharging pipe, so that dust impurities in the filtering screw cap can be conveniently cleaned, in the use process, the dust impurities can not be blown by air flow and discharged into the filtering screw cap, some dust still exists in the filtering box body, the dust can not be fully collected, and the dust attached to the inner wall of the filtering box body can not be cleaned, so that the practicability of the device is reduced, and therefore, the waste heat utilization device of the blast furnace hot blast stove waste gas is required to be improved to solve the problems.

Disclosure of Invention

The utility model aims to provide a waste heat utilization device for waste gas of a blast furnace hot blast stove, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blast furnace hot-blast furnace waste gas waste heat utilization device, includes the base, the top fixed mounting of base has the rose box, the top of base is provided with the draught fan, draught fan and rose box fixed mounting, the top fixed mounting of rose box has the play tuber pipe, the right side fixed mounting of rose box has the motor frame, the outside fixed mounting of motor frame has the motor, slidable mounting has the filter layer on the inner wall of rose box, be provided with clearance mechanism on the inner wall of rose box, the bottom of base is provided with collection mechanism.

The cleaning mechanism comprises an impact assembly and a scraping assembly, the impact assembly is arranged on the inner wall of the filter box, and the scraping assembly is arranged outside the impact assembly.

Preferably, the striking subassembly includes first belt pulley, first belt pulley fixed mounting is at the output of motor, the left end fixed mounting of first belt pulley has the spliced pole, the one end fixed mounting that first belt pulley was kept away from to the spliced pole has the eccentric wheel, the rotary drum is installed in the outside rotation of eccentric wheel, the left end fixed mounting of rotary drum has first revolving post, the connecting block is installed in the outside rotation of first revolving post, the top fixed mounting of connecting block has the jack-prop, fixed mounting has the limiting plate on the right side inner wall of rose box, fixed mounting has the spring between the bottom of limiting plate and the top of connecting block, is convenient for the striking work to the filter layer.

Preferably, the right side wall of the filter box is internally provided with a through hole, and the connecting column penetrates through the through hole, so that the eccentric wheel can rotate stably.

Preferably, a through hole is formed in the position, corresponding to the top column, of the limiting plate, and the top column penetrates through the through hole, so that the top column can move conveniently.

Preferably, the scraping assembly comprises a connecting frame, the connecting frame is rotatably arranged outside the first rotating column, the connecting frame is slidably arranged on the inner wall of the filter box, a limiting ring is fixedly arranged outside the first rotating column, the rotating column is rotatably arranged on the left side of the connecting frame, a cleaning roller is fixedly arranged at one end of the rotating column away from the connecting frame, and dust on the inner wall of the filter box is conveniently cleaned.

Preferably, the collection mechanism comprises a dust collection seat, the dust collection seat is fixedly arranged at the bottom of the base, the auger is rotatably arranged on the inner wall of the dust collection seat, the right end of the auger is fixedly provided with a second rotating column, the outer transmission of the first belt pulley is provided with a belt, one end of the second rotating column, which is far away from the auger, is fixedly provided with a second belt pulley, the second belt pulley is arranged in transmission with the belt, the left side of the dust collection seat is fixedly provided with a dust outlet, and the bottom of the base is fixedly provided with a collection box, so that dust can be collected and conveyed conveniently.

Preferably, a through hole is formed in the position, corresponding to the dust outlet, of the right end of the collecting box, and the dust outlet penetrates through the through hole, so that dust can be collected conveniently.

Compared with the prior art, the utility model provides a blast furnace hot blast stove waste gas waste heat utilization device, which has the following beneficial effects:

1. this blast furnace hot-blast furnace waste gas waste heat utilization device, through the clearance mechanism that sets up, in the use, through spliced pole and the eccentric wheel that sets up, under the cooperation of spring, make the rotary drum rotate while reciprocate, thereby drive connecting block and jack-prop and reciprocate, strike the filter layer, be convenient for knock the inside dirt of adhering to of filter layer off, under the cooperation of limiting plate, carry out spacing work to the jack-prop, follow the oscilaltion of first revolving post, make the link remove, thereby drive the cleaning roller and slide on the inner wall of rose box, scrape the dust of adhering to on the rose box inner wall, the practicality of device has been increased, under the cooperation of limiting ring, carry out spacing work to the link.

2. This blast furnace hot-blast furnace waste gas waste heat utilization device, through the collection mechanism that sets up, in the use, through belt and the second belt pulley that sets up, along with the rotation of first belt pulley, drive the auger and rotate and be convenient for carry out the conveying work with the dust, ensure to carry out comprehensive collection and conveying work to the dust of rose box inside, through the play dirt mouth and the collecting box that set up, be convenient for carry out centralized processing to the dust of collecting.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the filter box of the utility model;

FIG. 3 is a schematic view of the impact assembly of the present utility model;

FIG. 4 is a schematic view of the positional relationship of the limiting plate according to the present utility model;

FIG. 5 is a schematic view of a scraping assembly according to the present utility model;

FIG. 6 is a schematic view of the structure of the collecting mechanism of the present utility model;

FIG. 7 is a schematic diagram showing the position relationship of the dust outlet.

In the figure: 1. a base; 2. a filter box; 3. an induced draft fan; 4. an air outlet pipe; 5. a motor frame; 6. a motor; 7. a filter layer; 8. a cleaning mechanism; 81. an impact assembly; 811. a first pulley; 812. a connecting column; 813. an eccentric wheel; 814. a rotating drum; 815. a first swivel post; 816. a connecting block; 817. a top column; 818. a limiting plate; 819. a spring; 82. a scraping assembly; 821. a connecting frame; 822. a limiting ring; 823. rotating the column; 824. a cleaning roller; 9. a collection mechanism; 901. a dust collection seat; 902. an auger; 903. a second swivel post; 904. a belt; 905. a second pulley; 906. a dust outlet; 907. and (5) collecting a box.

Detailed Description

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

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a blast furnace hot-blast furnace waste gas waste heat utilization device, including base 1, the top fixed mounting of base 1 has rose box 2, and the top of base 1 is provided with draught fan 3, draught fan 3 and rose box 2 fixed mounting, and the top fixed mounting of rose box 2 has out tuber pipe 4, and the right side fixed mounting of rose box 2 has motor frame 5, and the outside fixed mounting of motor frame 5 has motor 6, and slidable mounting has filter layer 7 on the inner wall of rose box 2, is provided with clearance mechanism 8 on the inner wall of rose box 2, and the bottom of base 1 is provided with collection mechanism 9.

The cleaning mechanism 8 includes an impact assembly 81 and a scraping assembly 82, the impact assembly 81 is disposed on the inner wall of the filter box 2, and the scraping assembly 82 is disposed outside the impact assembly 81.

Further, the impact assembly 81 includes a first pulley 811, the first pulley 811 is fixedly mounted at the output end of the motor 6, a connecting column 812 is fixedly mounted at the left end of the first pulley 811, an eccentric wheel 813 is fixedly mounted at one end of the connecting column 812 away from the first pulley 811, a rotary drum 814 is rotatably mounted at the outer portion of the eccentric wheel 813, a first rotary column 815 is fixedly mounted at the left end of the rotary drum 814, a connecting block 816 is rotatably mounted at the outer portion of the first rotary column 815, a jack post 817 is fixedly mounted at the top of the connecting block 816, a limiting plate 818 is fixedly mounted on the inner wall of the right side of the filter tank 2, a spring 819 is fixedly mounted between the bottom of the limiting plate 818 and the top of the connecting block 816, and impact operation on the filter layer 7 is facilitated.

Further, a through hole is formed in the right side wall of the filter box 2, and the connecting column 812 penetrates through the through hole, so that the eccentric wheel 813 can rotate stably.

Further, a through hole is formed in the position of the limiting plate 818 corresponding to the top post 817, and the top post 817 passes through the through hole, so that the moving work of the top post 817 is facilitated.

Further, the scraping assembly 82 comprises a connecting frame 821, the connecting frame 821 is rotatably installed outside the first rotating column 815, the connecting frame 821 is slidably installed on the inner wall of the filter tank 2, a limiting ring 822 is fixedly installed outside the first rotating column 815, a rotating column 823 is rotatably installed on the left side of the connecting frame 821, and a cleaning roller 824 is fixedly installed at one end, far away from the connecting frame 821, of the rotating column 823, so that dust on the inner wall of the filter tank 2 can be cleaned conveniently.

Embodiment two:

referring to fig. 6-7, and further to the first embodiment, the collecting mechanism 9 includes a dust collecting seat 901, the dust collecting seat 901 is fixedly installed at the bottom of the base 1, an auger 902 is rotatably installed on the inner wall of the dust collecting seat 901, a second rotating post 903 is fixedly installed at the right end of the auger 902, a belt 904 is installed on the outer transmission of the first belt pulley 811, a second belt pulley 905 is fixedly installed at one end of the second rotating post 903 far away from the auger 902, the second belt pulley 905 is installed on the belt 904 in a transmission manner, a dust outlet 906 is fixedly installed at the left side of the dust collecting seat 901, and a collecting box 907 is fixedly installed at the bottom of the base 1, so that dust can be collected and conveyed conveniently.

Further, a through hole is formed at the right end of the collecting box 907 at a position corresponding to the dust outlet 906, and the dust outlet 906 passes through the through hole, so as to facilitate dust collecting.

In the actual operation process, when the device is used, waste inside the blast furnace hot blast stove is sucked into the filter box 2 by starting the induced draft fan 3, hot air is utilized by the air outlet pipe 4, dust in the waste is filtered by the set filter layer 7, after long-time work is finished, the motor 6 is started, the first belt pulley 811 and the connecting column 812 are rotated, the eccentric wheel 813 is driven to rotate, the rotary drum 814 is driven to rotate and move up and down under the cooperation of the spring 819, the connecting block 816 and the jacking column 817 are driven to move up and down, the filter layer 7 is impacted, dust attached inside the filter layer 7 is knocked off conveniently, and under the cooperation of the limiting plate 818, carry out spacing work to the jack-up post 817, along with the reciprocates of first swivel post 815, make link 821 remove, thereby drive the cleaning roller 824 and slide on the inner wall of rose box 2, scrape the dust that adheres to on the inner wall of rose box 2, the practicality of device has been increased, carry out spacing work to link 821 under the cooperation of spacing ring 822, along with the rotation of first belt pulley 811, through belt 904 and the second belt pulley 905 of setting, drive auger 902 and rotate and be convenient for carry out the dust and convey work, ensure to carry out comprehensive collection and the conveying work to the dust of rose box 2 inside, through the play dirt mouth 906 of setting and collection box 907, be convenient for carry out centralized processing to the dust of collecting.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims (7)

1. The utility model provides a blast furnace hot-blast furnace waste gas waste heat utilization device, includes base (1), its characterized in that: the novel filter is characterized in that a filter box (2) is fixedly arranged at the top of the base (1), an induced draft fan (3) is arranged at the top of the base (1), the induced draft fan (3) is fixedly arranged with the filter box (2), an air outlet pipe (4) is fixedly arranged at the top of the filter box (2), a motor frame (5) is fixedly arranged on the right side of the filter box (2), a motor (6) is fixedly arranged on the outer part of the motor frame (5), a filter layer (7) is slidably arranged on the inner wall of the filter box (2), a cleaning mechanism (8) is arranged on the inner wall of the filter box (2), and a collecting mechanism (9) is arranged at the bottom of the base (1);

the cleaning mechanism (8) comprises an impact assembly (81) and a scraping assembly (82), the impact assembly (81) is arranged on the inner wall of the filter box (2), and the scraping assembly (82) is arranged outside the impact assembly (81).

2. The blast furnace hot blast stove waste gas waste heat utilization device according to claim 1, wherein: the impact assembly (81) comprises a first belt pulley (811), the output end of motor (6) is fixedly installed to first belt pulley (811), spliced pole (812) are fixedly installed to the left end of first belt pulley (811), one end fixed mounting eccentric wheel (813) are kept away from to spliced pole (812), rotary drum (814) are installed in the outside rotation of eccentric wheel (813), first steering column (815) are installed in the left end fixed mounting of rotary drum (814), connecting block (816) are installed in the outside rotation of first steering column (815), jack-prop (817) are installed at the top fixed mounting of connecting block (816), fixed mounting has limiting plate (818) on the right side inner wall of rose box (2), fixed mounting has spring (819) between the bottom of limiting plate (818) and the top of connecting block (816).

3. The blast furnace hot blast stove waste heat utilization device according to claim 2, wherein: the right side wall of the filter box (2) is internally provided with a through hole, and the connecting column (812) penetrates through the through hole.

4. The blast furnace hot blast stove waste heat utilization device according to claim 2, wherein: through holes are formed in the positions, corresponding to the jacking columns (817), of the inner portions of the limiting plates (818), and the jacking columns (817) penetrate through the through holes.

5. The blast furnace hot blast stove waste heat utilization device according to claim 2, wherein: the scraping assembly (82) comprises a connecting frame (821), the connecting frame (821) is rotatably arranged outside a first rotating column (815), the connecting frame (821) is slidably arranged on the inner wall of the filter box (2), a limiting ring (822) is fixedly arranged outside the first rotating column (815), a rotating column (823) is rotatably arranged on the left side of the connecting frame (821), and a cleaning roller (824) is fixedly arranged at one end, far away from the connecting frame (821), of the rotating column (823).

6. The blast furnace hot blast stove waste heat utilization device according to claim 5, wherein: the collecting mechanism (9) comprises a dust collecting seat (901), the dust collecting seat (901) is fixedly arranged at the bottom of the base (1), a packing auger (902) is rotatably arranged on the inner wall of the dust collecting seat (901), a second rotating column (903) is fixedly arranged at the right end of the packing auger (902), a belt (904) is arranged on the outer transmission of the first belt pulley (811), a second belt pulley (905) is fixedly arranged at one end, far away from the packing auger (902), of the second rotating column (903), the second belt pulley (905) is in transmission installation with the belt (904), a dust outlet (906) is fixedly arranged at the left side of the dust collecting seat (901), and a collecting box (907) is fixedly arranged at the bottom of the base (1).

7. The blast furnace hot blast stove waste heat utilization device according to claim 6, wherein: the right end of the collecting box (907) is provided with a through hole at a position corresponding to the dust outlet (906), and the dust outlet (906) penetrates through the through hole.