Device for oxidizing tail gas of rotary furnace through long flame coal

Abstract

The utility model discloses a long flame coal oxidation rotary furnace tail gas device which comprises a spray tower and a treatment box, a spray mechanism is arranged on the upper portion of the treatment box and inside the spray tower, a filtering mechanism is arranged inside the treatment box, and the filtering mechanism comprises a filtering assembly, a filtering assembly and a control assembly, the filtering assembly comprises a connecting plate installed on the inner wall of the treatment box, and the connecting plate is arranged on the inner wall of the treatment box; the bottom of the connecting plate is fixedly connected with a connecting rod. The rotary furnace tail gas treatment device relates to the technical field of rotary furnace tail gas treatment. According to the tail gas device for the long flame coal oxidation rotary furnace, tail gas of the long flame coal oxidation rotary furnace is filtered and adsorbed by arranging a filter screen plate and an activated carbon adsorption plate, so that the tail gas reaches the emission standard, the influence on the external environment is avoided, and a rubber head collides with the filter screen plate under the driving of a driving motor; the filter screen plate is shaken, so that dust adhered to the bottom of the filter screen plate falls off, and the influence of excessive dust adhesion on the filtering quality of the filter screen plate and the time consumption caused by manual cleaning are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary furnace tail gas treatment technical field, concretely is a long flame coal oxidation rotary furnace tail gas device. BACKGROUND

[0002] Hard carbon is considered to be the most commercialized negative electrode material of sodium ion battery, and the selection of precursor is crucial for preparing hard carbon material. Among the developed raw materials, long flame coal is a high-performance-price ratio hard carbon precursor with great potential due to its abundant reserves and high carbon content.

[0003] The utility model relates to a rotary furnace tail gas collection treatment device (patent publication number: CN216935351U, patent publication date: July 12, 2022), including the tail gas collection cauldron of top open, the top of tail gas collection cauldron can dismantle formula installation has the sealing cauldron cover, and the sealing cauldron cover on slide installation has single suction pipe, the other end of single suction pipe is connected with the burner, and the burner is connected with the hot gas pipe, this rotary furnace tail gas collection treatment device, tail gas passes through the adsorption purification of molecular sieve adsorption layer to remove part of impurities in tail gas, then the tail gas enters the burner through single suction pipe, at the same time, air enters the burner through air inlet pipe to play the effect of combustion supporting and continuous combustion, the preliminarily purified tail gas and air burn in the burner, avoid pollution caused by direct discharge of tail gas, and the heat generated by combustion enters the spiral winding pipe through the hot gas pipe, the spiral winding pipe can be attached to the outer wall of the rotary furnace, so that the heat generated by combustion is supplied to the rotary furnace, improving the working efficiency of the rotary furnace and saving energy and protecting the environment.

[0004] Based on the above patent technology, the existing rotary furnace will produce tail gas when in use, at which time the tail gas needs to be discharged, and the tar and dust in the discharged tail gas will cause the dust to be adsorbed in the tail gas discharge port, causing the problem of tail gas discharge port blockage, therefore, the utility model provides a long flame coal oxidation rotary furnace tail gas device. Utility model content

[0005] In view of the deficiency of prior art, the utility model provides a long flame coal oxidation rotary furnace tail gas device, solves the problem that the tar and dust in the tail gas will be adsorbed in the tail gas discharge port, causing the tail gas discharge port blockage when the existing long flame coal oxidation rotary furnace is treated.

[0006] To achieve the above object, the utility model realizes the following technical scheme: a long flame coal oxidation rotary furnace tail gas device, comprising a spray tower and a treatment box, a spraying mechanism is arranged in the upper part of the treatment box and the inside of the spray tower, a filtering mechanism is arranged in the inside of the treatment box, the filtering mechanism comprises:

[0007] The filter assembly comprises a connecting plate installed on the inner wall of the treatment box, the bottom of the connecting plate is fixedly connected with a connecting rod, the surface of the connecting rod is slidably connected with a filter screen plate, the top of the filter screen plate is fixedly connected with a spring, and the top end of the spring is fixedly connected with the bottom of the connecting plate;

[0008] The transmission assembly is arranged on the rear side of the inner wall of the treatment box.

[0009] The drive assembly is arranged on the rear side of the treatment box.

[0010] Preferably, the transmission assembly comprises a transmission block installed on the rear side of the inner wall of the treatment box, the surface of the transmission block is slidably connected with a transmission rod, the bottom end of the transmission rod is fixedly connected with a rubber head, and the top end of the transmission rod is fixedly connected with a sliding block.

[0011] Preferably, the drive assembly comprises a drive motor installed on the rear side of the treatment box, one end of the output shaft of the drive motor is fixedly connected with a drive disc through a shaft coupling, the front side of the drive disc is provided with an annular groove, and the inner surface of the annular groove is slidably connected with the surface of the sliding block.

[0012] Preferably, the inner wall of the treatment box is fixedly connected with an activated carbon adsorption plate, the top of the treatment box is fixedly connected with an air extractor, one side of the air extractor is fixedly communicated with the top of the treatment box through an air extraction pipe, and the other side of the air extractor is fixedly connected with an exhaust pipe.

[0013] Preferably, the spraying mechanism comprises a water pump installed on the left side of the treatment box and a water tank installed on the top of the treatment box, the top of the water pump is fixedly connected with the left side of the water tank through a water pipe, the left side of the water pump is fixedly connected with the top of the spraying tower through a flow guide pipe, one end of the flow guide pipe is fixedly connected with a shunt pipe, and the bottom of the shunt pipe is provided with a plurality of groups of spray heads.

[0014] Preferably, the left side of the spraying tower is fixedly connected with an air inlet pipe, and the right side of the spraying tower is fixedly communicated with the left side of the treatment box through a connecting pipe.

[0015] Beneficial effects

[0016] The long-flame coal oxidation rotary furnace tail gas device has the following beneficial effects compared with the prior art:

[0017] (1) The long flame coal oxidation rotary furnace tail gas device, through the starting driving motor drives the driving disc to rotate, the driving disc is an eccentric disc, the rotation of the driving disc makes the sliding block slide on the inner surface of the annular groove, and then makes the transmission rod, the sliding block and the rubber head slide up and down reciprocatingly, the rubber head impacts the filter screen plate, the filter screen plate slides on the surface of the connecting rod, and the spring is stretched, under the influence of the elasticity of the spring, the filter screen plate is constantly shaken, so that the dust at the bottom of the filter screen plate falls to the bottom of the treatment box and is discharged through the discharge pipe, the long flame coal oxidation rotary furnace tail gas is filtered and adsorbed through the filter screen plate and the activated carbon adsorption plate, so that the tail gas meets the emission standard, the influence on the external environment is avoided, and under the driving of the driving motor, the rubber head impacts the filter screen plate, the filter screen plate is shaken, so that the dust adhered to the bottom of the filter screen plate falls, and the influence of excessive dust adhesion on the filtering quality of the filter screen plate and the time consumption caused by manual cleaning is avoided.

[0018] (2) The long flame coal oxidation rotary furnace tail gas device, by setting the spraying mechanism, a plurality of nozzles spray the tar removal solvent into the tail gas in the spraying tower, and the tar in the long flame coal oxidation rotary furnace tail gas is removed by spraying the tar removal solvent. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the external structure of the utility model three-dimensional schematic view;

[0020] Figure 2 It is the internal structure three-dimensional schematic view of the treatment box of the utility model;

[0021] Figure 3 It is the three-dimensional schematic view of the filter assembly of the utility model;

[0022] Figure 4 It is the three-dimensional schematic view of the driving assembly and transmission assembly of the utility model;

[0023] Figure 5 It is the internal structure three-dimensional schematic view of the spraying tower of the utility model.

[0024] In the drawing: 1-spraying tower, 2-treatment box, 3-spraying mechanism, 31-water pump, 32-water tank, 33-flow guide pipe, 34-shunt pipe, 35-nozzle, 4-filter mechanism, 41-filter assembly, 411-connection plate, 412-connection rod, 413-filter screen plate, 414-spring, 42-transmission assembly, 421-transmission block, 422-transmission rod, 423-rubber head, 424-sliding block, 43-driving assembly, 431-driving motor, 432-driving disc, 433-annular groove, 5-activated carbon adsorption plate, 6-exhaust fan, 7-exhaust pipe, 8-exhaust pipe, 9-inlet pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figures 1-5 The present application provides two technical solutions:

[0027] Embodiment one

[0028] A long flame coal oxidation rotary furnace tail gas device, including spray tower 1 and processing box 2, the bottom of the spray tower 1 is provided with a blowdown pipe, the bottom of the processing box 2 is provided with a discharge pipe, the blowdown pipe and the discharge pipe are controlled to open and close by a solenoid valve, the upper part of the processing box 2 and the inside of the spray tower 1 are provided with a spraying mechanism 3, the inside of the processing box 2 is provided with a filtering mechanism 4, the filtering mechanism 4 comprises:

[0029] The filtering assembly 41 comprises a connecting plate 411 mounted on the inner wall of the processing box 2, a connecting rod 412 fixedly connected to the bottom of the connecting plate 411, a filter screen plate 413 slidably connected to the surface of the connecting rod 412, the surface of the filter screen plate 413 being slidably connected to the inner wall of the processing box 2, a spring 414 fixedly connected to the top of the filter screen plate 413, and the top end of the spring 414 being fixedly connected to the bottom of the connecting plate 411.

[0030] The transmission assembly 42 is arranged on the rear side of the inner wall of the processing box 2.

[0031] The driving assembly 43 is arranged at the rear side of the treatment box 2, the transmission assembly 42 comprises a transmission block 421 arranged at the rear side of the inner wall of the treatment box 2, the surface of the transmission block 421 is slidably connected with a transmission rod 422, the bottom end of the transmission rod 422 is fixedly connected with a rubber head 423, the top end of the transmission rod 422 is fixedly connected with a sliding block 424, the driving assembly 43 comprises a driving motor 431 arranged at the rear side of the treatment box 2, the driving motor 431 is a three-phase asynchronous motor and is connected with an external circuit through wires, one end of the output shaft of the driving motor 431 is fixedly connected with a driving disc 432 through a shaft coupling, the driving disc 432 is an eccentric disc, an annular groove 433 is arranged at the front side of the driving disc 432, the inner surface of the annular groove 433 is slidably connected with the surface of the sliding block 424, the inner wall of the treatment box 2 is fixedly connected with the activated carbon adsorption plate 5, the top of the treatment box 2 is fixedly connected with an air extractor 6, the air extractor 6 is connected with an external circuit through wires, one side of the air extractor 6 is fixedly communicated with the top of the treatment box 2 through an air extraction pipe 7, the other side of the air extractor 6 is fixedly connected with an exhaust pipe 8, the driving motor 431 is started to drive the driving disc 432 to rotate, the driving disc 432 is an eccentric disc, the rotation of the driving disc 432 makes the sliding block 424 slide on the inner surface of the annular groove 433, so that the transmission rod 422, the sliding block 424 and the rubber head 423 slide up and down reciprocatingly, the rubber head 423 hits the filter screen plate 413, the filter screen plate 413 slides on the surface of the connecting rod 412 and makes the spring 414 be stretched, under the influence of the elasticity of the spring 414, the filter screen plate 413 is constantly shaken, so that the dust at the bottom of the filter screen plate 413 falls to the bottom of the treatment box 2 and is discharged through the discharge pipe, the long-flame coal oxidation rotary furnace tail gas is filtered and adsorbed through the filter screen plate 413 and the activated carbon adsorption plate 5, so that the tail gas meets the emission standard, the influence on the external environment is avoided, and the rubber head 423 hits the filter screen plate 413 under the driving of the driving motor 431, so that the filter screen plate 413 is shaken, so that the dust adhered to the bottom of the filter screen plate 413 falls, and the influence of excessive dust adhesion on the filtering quality of the filter screen plate 413 and the time consumption caused by manual cleaning is avoided.

[0032] Example two

[0033] The main difference from example one is:

[0034] The application discloses a tail gas device of a long flame coal oxidation rotary furnace, which comprises a spraying mechanism 3, a water pump 31 installed on the left side of a treatment box 2 and a water tank 32 installed on the top of the treatment box 2, the water pump 31 is connected with an external circuit through an electric wire, the top of the water pump 31 is fixedly connected with the left side of the water tank 32 through a water pipe, the left side of the water pump 31 is fixedly connected with the top of a spraying tower 1 through a flow guide pipe 33, one end of the flow guide pipe 33 is fixedly connected with a shunt pipe 34, a plurality of groups of nozzles 35 are installed on the bottom of the shunt pipe 34, the left side of the spraying tower 1 is fixedly connected with an air inlet pipe 9, the air inlet pipe 9 is communicated with a tail gas pipe of an external rotary furnace, the right side of the spraying tower 1 is fixedly communicated with the left side of the treatment box 2 through a connecting pipe, the spraying mechanism 3 is arranged, the tar-removing solvent is sprayed into the tail gas in the spraying tower 1 through the plurality of groups of nozzles 35, the tar in the tail gas of the long flame coal oxidation rotary furnace is removed through spraying the tar-removing solvent, and the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0035] When the long flame coal oxidation rotary furnace works, the tail gas discharged by the long flame coal oxidation rotary furnace enters the spraying tower 1 through the air inlet pipe 9, the water pump 31 is started at the moment, the tar-removing solvent in the water tank 32 is guided into the shunt pipe 34 through the water pipe and the flow guide pipe 33 and sprayed through the nozzles 35, the tar in the tail gas is removed through spraying the tar-removing solvent, then the air extractor 6 is started, air circulation is formed through the connecting pipe, the air extraction pipe 7 and the air exhaust pipe 8, the tail gas after spraying the tar-removing solvent is guided into the treatment box 2, the dust in the tail gas is filtered through the filter screen plate 413 first, then the tail gas is secondarily filtered through the activated carbon adsorption plate 5, finally the tail gas meeting the emission standard is discharged through the air exhaust pipe 8, in the process, the filter screen plate 413 is used for filtering dust, a large amount of dust is adhered to the bottom of the filter screen plate 413, at the moment, the driving motor 431 is started to drive the driving disc 432 to rotate, the driving disc 432 is an eccentric disc, the rotation of the driving disc 432 makes the sliding block 424 slide on the inner surface of the annular groove 433, thereby making the transmission rod 422, the sliding block 424 and the rubber head 423 slide up and down reciprocatingly, the rubber head 423 impacts the filter screen plate 413, the filter screen plate 413 slides on the surface of the connecting rod 412 and makes the spring 414 be stretched, under the influence of the elasticity of the spring 414, the filter screen plate 413 is continuously shaken, so that the dust on the bottom of the filter screen plate 413 falls to the bottom of the treatment box 2 and is discharged through the discharge pipe.

[0036] It is to be noted that, in the present document, relational terms such as first and second and the like can be 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A long flame coal oxidation rotary furnace tail gas device, comprising a spray tower (1) and a treatment box (2), characterized in that: The upper part of the processing box (2) and the inside of the spray tower (1) are provided with a spraying mechanism (3), the inside of the processing box (2) is provided with a filtering mechanism (4), the filtering mechanism (4) comprises: A filtering assembly (41) is arranged on the inner wall of the processing box (2), the bottom of the connecting plate (411) is fixedly connected with a connecting rod (412), the surface of the connecting rod (412) is slidably connected with a filter screen plate (413), the top of the filter screen plate (413) is fixedly connected with a spring (414), and the top end of the spring (414) is fixedly connected with the bottom of the connecting plate (411). A transmission assembly (42) is arranged on the rear side of the inner wall of the processing box (2). A driving assembly (43) is arranged on the rear side of the processing box (2).

2. A long flame coal oxidizing rotary furnace tail gas device according to claim 1, characterized in that: The transmission assembly (42) comprises a transmission block (421) arranged on the rear side of the inner wall of the processing box (2), the surface of the transmission block (421) is slidably connected with a transmission rod (422), the bottom end of the transmission rod (422) is fixedly connected with a rubber head (423), and the top end of the transmission rod (422) is fixedly connected with a sliding block (424).

3. A long flame coal oxidizing rotary furnace tail gas device according to claim 2, characterized in that: The driving assembly (43) comprises a driving motor (431) arranged on the rear side of the processing box (2), one end of the output shaft of the driving motor (431) is fixedly connected with a driving disc (432) through a shaft coupling, the front side of the driving disc (432) is provided with an annular groove (433), and the inner surface of the annular groove (433) is slidably connected with the surface of the sliding block (424).

4. A long flame coal oxidizing rotary furnace tail gas device according to claim 1, characterized in that: The inner wall of the processing box (2) is fixedly connected with an activated carbon adsorption plate (5), the top of the processing box (2) is fixedly connected with an air extractor (6), one side of the air extractor (6) is fixedly communicated with the top of the processing box (2) through an air extraction pipe (7), and the other side of the air extractor (6) is fixedly connected with an exhaust pipe (8).

5. A long flame coal oxidizing rotary furnace tail gas device according to claim 1, characterized in that: The spraying mechanism (3) comprises a water pump (31) arranged on the left side of the processing box (2) and a water tank (32) arranged on the top of the processing box (2), the top of the water pump (31) is fixedly connected with the left side of the water tank (32) through a water pipe, the left side of the water pump (31) is fixedly connected with the top of the spray tower (1) through a flow guide pipe (33), one end of the flow guide pipe (33) is fixedly connected with a shunt pipe (34), and the bottom of the shunt pipe (34) is provided with a plurality of spray heads (35).

6. A long flame coal oxidizing rotary furnace tail gas device according to claim 1, characterized in that: The left side of the spray tower (1) is fixedly connected with an air inlet pipe (9), and the right side of the spray tower (1) is fixedly communicated with the left side of the processing box (2) through a connecting pipe.

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