A dust removal device for petroleum coke calcination

Abstract

The present invention relates to the technical field of dust removal, and specifically to a dust removal device for petroleum coke calcination, comprising: a dust removal box; an adsorption mechanism, wherein the adsorption mechanism comprises two staggered symmetrical first activated carbon plates, a second activated carbon plate, and two staggered symmetrical third activated carbon plates and a fourth activated carbon plate, which are slidably connected to the inner wall of the dust removal box, and the first activated carbon plate and the second activated carbon plate are used to adsorb alkaline substances. The present invention uses the adsorption mechanism to enable the activated carbon plate to further remove acidic substances contained in the smoke, alkaline substances contained in the smoke, and organic pollutants, thereby ensuring more thorough air purification. When the adsorption effect of the activated carbon plate is not good, the activated carbon plate can be neutralized by acid and alkali, the organic pollutants can be oxidized, and the activated carbon can be chemically regenerated by water treatment, thereby ensuring that its adsorption performance is stable, thereby continuously improving the quality of the exhaust gas during the calcination process.

Description

Technical Field

[0001] The invention relates to the technical field of dust removal, and in particular to a dust removal device for petroleum coke calcination. Background Art

[0002] Petroleum coke is a solid carbonaceous material obtained from petroleum processing processes such as petroleum cracking and catalytic cracking. Its main component is carbon, containing a small amount of hydrogen, sulfur, oxygen and other impurities. There are two main types of petroleum coke. In order to remove the volatile matter, improve its density and mechanical strength, improve its electrical conductivity, and enhance its antioxidant properties, petroleum coke usually needs to be calcined. The dust generated during the calcination of petroleum coke is mainly due to the particle nature of the petroleum coke raw material, the tiny particles generated by the high-temperature reaction, and there will also be acidic substances, alkaline substances and organic pollutants. The above-mentioned acidic and alkaline pollutants and particles not only affect the production environment, but also may cause harm to equipment and personnel health, so dust removal is usually required. For example, a dust removal device for petroleum coke calcination disclosed in application number CN202311684176.9 is a dust removal device for calcining petroleum coke during calcination.

[0003] Existing dust removal devices usually use activated carbon plates for absorption and filtration when removing these tiny particles, acidic and alkaline substances and organic pollutants. After the activated carbon plates are saturated, they need to be replaced. The activity of the activated carbon plates cannot be automatically restored after they are saturated, so they need to be replaced or processed manually, resulting in higher maintenance costs and operating expenses. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, the present invention provides a dust removal device for petroleum coke calcination, which can effectively solve the problem that the prior art cannot automatically restore the activity of the activated carbon plate after the activated carbon plate is saturated.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The present invention provides a dust removal device for petroleum coke calcination, comprising:

[0007] Dust removal box;

[0008] The adsorption mechanism includes two staggered symmetrical first activated carbon plates, a second activated carbon plate and two staggered symmetrical third activated carbon plates and a fourth activated carbon plate which are slidably connected to the inner wall of the dust removal box, and the first activated carbon plate and the second activated carbon plate are used for adsorbing alkaline substances and organic pollutants, and the third activated carbon plate and the fourth activated carbon plate are used for adsorbing acidic substances and organic pollutants. The first activated carbon plate, the second activated carbon plate, the third activated carbon plate and the fourth activated carbon plate are all composed of a magnetic frame and a carbon plate fixed in the magnetic frame. The adsorption mechanism also includes an activity recovery component.

[0009] Preferably, it also includes a dust removal mechanism, which includes a rotating plate rotatably arranged inside the dust removal box, the outer wall of the rotating plate is provided with two upper and lower symmetrical through holes, and dust bags for dust removal are provided in the two through holes, and the dust removal mechanism also includes a cleaning component, the outer walls on both sides of the dust removal box are provided with symmetrical air inlets and air outlets, the air inlet is fixedly connected with an air inlet pipe, and the inner diameter of the air inlet pipe is larger than the diameter of the through hole, the air inlet pipe can be connected to the through hole or in contact with the rotating plate, the inner wall of the dust removal box is fixedly connected with a partition plate, a transmission pipe of the same size as the air inlet pipe is penetrated through the partition plate, the transmission pipe can be connected to the through hole or in contact with the rotating plate, and a wind detector is provided in the transmission pipe.

[0010] Preferably, the cleaning assembly includes a first motor fixedly connected to the outer wall of the dust removal box, the output end of the first motor is fixedly connected to a rotating rod, the outer wall of the rotating rod is fixedly connected to a rotating plate, the other end of the rotating rod is rotatably connected to a partition plate, the outer wall of the dust removal box on a side close to the first motor is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a large electric telescopic rod, the telescopic end of the large electric telescopic rod is fixedly connected to a cleaning plate, and a cleaning sponge for cleaning the dust bag is fixedly connected to a side of the cleaning plate close to the rotating plate, the partition plate is fixedly connected to a vibration motor on a side close to the rotating plate, the output end of the vibration motor is fixedly connected to an elastic telescopic rod, and the telescopic end of the elastic telescopic rod is fixedly connected to a vibration head for vibrating the dust bag, and the wind detector, the first motor, the second motor, the large electric telescopic rod, and the vibration motor are electrically connected to a PLC controller to form a cleaning loop.

[0011] Preferably, the adsorption mechanism includes a horizontal plate fixedly connected to the partition plate and the inner wall of the dust removal box, and the top of the horizontal plate is provided with four sliding openings for the movement of the first activated carbon plate, the second activated carbon plate, the third activated carbon plate, and the fourth activated carbon plate, and the bottom end of the horizontal plate is fixedly connected to the inner wall of the dust removal box with a vertical plate, and a closing component is arranged in the horizontal plate.

[0012] Preferably, the closure assembly includes four telescopic grooves opened in the horizontal plate corresponding to each sliding opening, and the inner walls of the telescopic grooves are fixedly connected to two symmetrical miniature electric telescopic rods, and the telescopic ends of the miniature electric telescopic rods are fixedly connected to blocking plates corresponding to the size of the sliding openings.

[0013] Preferably, one side of the dust removal box is respectively slidably connected with an upper tooth plate and a lower tooth plate that are magnetically attracted to the first activated carbon plate and the second activated carbon plate, and the outer wall of the dust removal box close to the upper tooth plate is fixedly connected with a fixing frame, and the side wall of the fixing frame is fixedly connected with a third motor, and the output end of the third motor is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a gear that meshes with the upper tooth plate and the lower tooth plate.

[0014] Preferably, the outer wall of the dust removal box on the side away from the upper tooth plate is fixedly connected to the fourth motor, and the outer wall of the dust removal box on the side close to the fourth motor is slidably connected to the upper magnetic block and the lower magnetic block which are magnetically attracted to the third activated carbon plate and the fourth activated carbon plate, respectively, the bottom end of the upper magnetic block and the output end of the fourth motor are jointly fixedly connected with the first traction rope, the top of the dust removal box is fixedly connected to the support frame, the bottom end of the support frame is fixedly connected to the guide ring, the top of the upper magnetic block and the top of the lower magnetic block are jointly fixedly connected with the second traction rope passing through the guide ring.

[0015] Preferably, two staggered and symmetrical first liquid storage tanks and second liquid storage tanks are fixedly connected to the outer walls on both sides of the dust removal box, a third liquid storage tank is fixedly connected to the outer wall on one side of the dust removal box close to the air inlet, a water tank is fixedly connected to the bottom end of the dust removal box, an acidic solution is contained in the first liquid storage tank, an alkaline solution is contained in the second liquid storage tank, an oxidant is contained in the third liquid storage tank, a gas concentration detector is fixedly connected to the upper end of the transverse plate close to the second liquid storage tank, a liquid concentration detector is provided in both the first liquid storage tank and the second liquid storage tank, and the first liquid storage tank, The top of the second liquid storage tank and the third liquid storage tank are each provided with a corresponding liquid concentration replenishing tank, and the three liquid concentration replenishing tanks are respectively connected to the first liquid storage tank, the second liquid storage tank, and the third liquid storage tank with two infusion tubes, and a quantitative metering valve is arranged in the infusion tube. The concentration detector, the quantitative metering valve, the concentration detector, the third motor, the fourth motor and the PLC controller are connected with an electrical signal recovery circuit, and the first liquid storage tank, the second liquid storage tank, the third liquid storage tank and the water tank all transport the liquid into the dust removal box or extract the liquid in the dust removal box through a pumping structure.

[0016] Compared with the known prior art, the technical solution provided by the present invention has the following beneficial effects:

[0017] 1. The present invention uses an adsorption mechanism to enable the activated carbon plate to further remove acidic substances contained in smoke, alkaline substances contained in smoke and organic pollutants, thereby ensuring more thorough air purification. When the adsorption effect of the activated carbon plate is poor, the activated carbon plate can be acid-base neutralized, the organic pollutants can be oxidized, and the activated carbon can be chemically regenerated through water treatment, thereby ensuring its adsorption performance is stable, thereby continuously improving the quality of the exhaust gas during the calcination process.

[0018] 2. The present invention can achieve efficient preliminary dust removal through the set dust removal mechanism, including the coordinated use of a rotating plate and a dust bag. This design can not only effectively remove large particles of impurities and significantly reduce the burden of smoke and dust on subsequent processing stages, but also improve the operating efficiency of the entire dust removal system. When the treatment effect of the dust bag decreases, the dust bag can be automatically cleaned as necessary. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the dust removal box of the present invention;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the transmission pipe of the present invention;

[0024] Figure 5 It is a cross-sectional three-dimensional structural schematic diagram of the present invention;

[0025] Figure 6 For the present invention Figure 5 A magnified view of the structure of part A;

[0026] Figure 7 For the present invention Figure 2 A magnified view of the structure of part B.

[0027] Figure numerals: 1, dust box; 2, dust removal mechanism; 21, rotating plate; 22, dust bag; 23, cleaning assembly; 231, first motor; 232, rotating rod; 233, second motor; 234, large electric telescopic rod; 235, cleaning sponge; 236, vibration motor; 237, elastic telescopic rod; 238, vibration head; 3, adsorption mechanism; 31, first activated carbon plate; 32, second activated carbon plate; 33, third activated carbon plate; 34, fourth activated carbon plate; 35, horizontal plate; 36, sliding port; 37, vertical plate; 38, closing assembly; 381, telescopic slot; 382, ​​micro electric telescopic rod; 383, blocking plate; 3 9. Upper tooth plate; 310. Lower tooth plate; 311. Fixed frame; 312. Third motor; 313. Quantitative metering valve; 314. Gear; 315. Fourth motor; 316. Upper magnetic block; 317. Lower magnetic block; 318. First traction rope; 319. Support frame; 320. Guide ring; 321. Second traction rope; 322. First liquid storage tank; 323. Second liquid storage tank; 324. Third liquid storage tank; 325. Gas concentration detector; 326. Water tank; 327. Liquid concentration replenishing tank; 328. Infusion tube; 4. Air inlet; 5. Air outlet; 6. Air inlet pipe; 7. Partition plate; 8. Transmission pipe; 9. Wind force detector. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The present invention will be further described below in conjunction with the embodiments.

[0030] Example: The following is the basic structure of this device, refer to Figures 1 to 7 A dust removal device for calcining petroleum coke includes a dust removal box 1. Two symmetrical air inlets 4 and air outlets 5 are provided on the outer walls on both sides of the dust removal box 1. An air inlet pipe 6 is fixedly connected to the air inlet 4, and the inner diameter of the air inlet pipe 6 is larger than the through hole in the rotating plate 21. The rotating plate 21 contacts the air inlet pipe 6. A partition plate 7 is fixedly connected to the inner wall of the dust removal box 1. A conveying pipe 8 of the same size as the air inlet pipe 6 is penetrated in the partition plate 7, and the air inlet 4 of the conveying pipe 8 contacts the rotating plate 21. A wind detector 9 is arranged in the conveying pipe 8.

[0031] The following settings can be used to perform preliminary dust removal on the smoke. Figure 3, the dust removal mechanism 2 includes a rotating plate 21 rotatably arranged inside the dust removal box 1, the outer wall of the rotating plate 21 is provided with two through holes symmetrical up and down, and dust bags 22 for dust removal are arranged in the two through holes, and the dust removal mechanism 2 also includes a cleaning component 23, the dust bag 22 adopts a high-efficiency filtering material, which can capture large particles of impurities in the smoke, and the filtering effect of the dust bag 22 can effectively remove large particles in the smoke and reduce its impact on the environment, and pre-filtering is to prevent large particles of impurities from entering the activated carbon and reducing the adsorption efficiency of the activated carbon plate;

[0032] The following structure is used to clean the dust bag 22 used for preliminary dust removal. The cleaning assembly 23 includes a first motor 231 fixedly connected to the outer wall of the dust removal box 1, and the output end of the first motor 231 is fixedly connected to a rotating rod 232. The outer wall of the rotating rod 232 is fixedly connected to the rotating plate 21, and the other end of the rotating rod 232 is rotatably connected to the partition plate 7. The outer wall of the dust removal box 1 close to the first motor 231 is fixedly connected to a second motor 233. The output end of the second motor 233 is fixedly connected to a large electric telescopic rod 234, and the telescopic end of the large electric telescopic rod 234 is fixedly connected to a cleaning The plate is fixedly connected to a cleaning sponge 235 for cleaning the dust bag 22 on one side of the cleaning plate close to the rotating plate 21, a vibration motor 236 is fixedly connected to the side of the partition plate 7 close to the rotating plate 21, an elastic telescopic rod 237 is fixedly connected to the output end of the vibration motor 236, a vibration head 238 for vibrating the dust bag 22 is fixedly connected to the telescopic end of the elastic telescopic rod 237, and the wind detector 9, the first motor 231, the second motor 233, the large electric telescopic rod 234, and the vibration motor 236 are connected to the PLC controller by electrical signals to form a cleaning loop.

[0033] The smoke and dust can be thoroughly removed again through the following specific structure, refer to Figure 5 , adsorption mechanism 3, the adsorption mechanism 3 includes two staggered symmetrical first activated carbon plates 31, second activated carbon plates 32 and two staggered symmetrical third activated carbon plates 33 and fourth activated carbon plates 34 which are slidably connected to the inner wall of the dust removal box 1, and the first activated carbon plate 31 and the second activated carbon plate 32 are used to adsorb alkaline substances and organic pollutants, and the third activated carbon plate 33 and the fourth activated carbon plate 34 are used to adsorb acidic substances and organic pollutants (wherein the chemical properties of the activated carbon surface will affect its adsorption selectivity for different pollutants. For example, specially treated activated carbon can have specific functional groups, which can react chemically with specific pollutant molecules, thereby improving the adsorption capacity for the pollutant. For example, activated carbon treated with acid can increase the acidic functional groups on the surface, thereby improving the adsorption capacity for alkaline pollutants), the first activated carbon plate 31, the second activated carbon plate 32, the third activated carbon plate 33, and the fourth activated carbon plate 34 are all composed of a magnetic frame and a carbon plate fixed in the magnetic frame, and the adsorption mechanism 3 also includes an activity recovery component.

[0034] The adsorption mechanism 3 includes a horizontal plate 35 fixedly connected to the partition plate 7 and the inner wall of the dust removal box 1. Four sliding openings 36 are provided at the top of the horizontal plate 35 for the movement of the first activated carbon plate 31, the second activated carbon plate 32, the third activated carbon plate 33, and the fourth activated carbon plate 34. The bottom end of the horizontal plate 35 is fixedly connected to the inner wall of the dust removal box 1 with a vertical plate 37, and a closing component 38 is arranged in the horizontal plate 35.

[0035] The closing assembly 38 includes four telescopic grooves 381 opened in the horizontal plate 35 and corresponding to each sliding opening 36. The inner wall of the telescopic groove 381 is fixedly connected to two symmetrical micro-electric telescopic rods 382. The telescopic end of the micro-electric telescopic rod 382 is fixedly connected to a blocking plate 383 corresponding to the size of the sliding opening 36.

[0036] An upper tooth plate 39 and a lower tooth plate 310 which are magnetically attracted to the first activated carbon plate 31 and the second activated carbon plate 32 are slidably connected to one side of the dust removal box 1, and a fixing frame 311 is fixedly connected to the outer wall of the dust removal box 1 close to the upper tooth plate 39. A third motor 312 is fixedly connected to the side wall of the fixing frame 311. A rotating shaft is fixedly connected to the output end of the third motor 312, and a gear 314 which is meshed with the upper tooth plate 39 and the lower tooth plate 310 is fixedly connected to the outer wall of the rotating shaft. The first activated carbon plate 31 can be moved downward to restore its activity, and the third activated carbon plate 33 can be moved upward to remove dust.

[0037] The outer wall of the dust removal box 1 on one side away from the upper tooth plate 39 is fixedly connected to the fourth motor 315, and the outer wall of the dust removal box 1 on one side close to the fourth motor 315 is slidably connected to the upper magnetic block 316 and the lower magnetic block 317 which are magnetically attracted to the third activated carbon plate 33 and the fourth activated carbon plate 34, respectively. The bottom end of the upper magnetic block 316 and the output end of the fourth motor 315 are jointly fixedly connected with the first traction rope 318, the top of the dust removal box 1 is fixedly connected to the support frame 319, the bottom end of the support frame 319 is fixedly connected to the guide ring 320, the top of the upper magnetic block 316 and the top of the lower magnetic block 317 are jointly fixedly connected with the second traction rope 321 which passes through the guide ring 320, so that the third activated carbon plate 33 can be moved downward to restore its activity, and the fourth activated carbon plate 34 can be moved upward for dust removal.

[0038] The outer walls on both sides of the dust removal box 1 are fixedly connected with two staggered and symmetrical first liquid storage tanks 322 and second liquid storage tanks 323. The outer wall on one side of the dust removal box 1 close to the air inlet is fixedly connected with a third liquid storage tank 324. The bottom end of the dust removal box 1 is fixedly connected with a water tank 326. The first liquid storage tank 322 contains an acidic solution, the second liquid storage tank 323 contains an alkaline solution, and the third liquid storage tank 324 contains an oxidant. The upper end of the cross plate 35 close to the second liquid storage tank 323 is fixedly connected with a gas concentration detector 325. The first liquid storage tank 322 and the second liquid storage tank 323 are both provided with liquid concentration detectors. The first liquid storage tank 322, the second liquid storage tank 323, and the third liquid storage tank 324 are fixedly connected with a water tank 326. The top of each liquid storage tank 324 is provided with a corresponding liquid concentration supplement tank 327. The three liquid concentration supplement tanks 327 are respectively connected to the first liquid storage tank 322, the second liquid storage tank 323, and the third liquid storage tank 324 with two infusion pipes 328. A quantitative metering valve 313 is provided in the infusion pipe 328. The concentration detector, the quantitative metering valve 313, the concentration detector, the third motor 312, the fourth motor 315 and the PLC controller are connected with a recovery circuit by electrical signals. The first liquid storage tank 322, the second liquid storage tank 323, the third liquid storage tank 324, and the water tank 326 all transport the liquid into the dust removal box 1 or extract the liquid in the dust removal box 1 through a pumping structure.

[0039] The liquid concentrations in the first liquid storage tank 322, the second liquid storage tank 323, and the third liquid storage tank 324 are respectively detected by setting up multiple concentration detectors. When the concentration is detected to be low, the liquid flow rate of the quantitative metering valve 313 is controlled to restore the liquid concentrations in the first liquid storage tank 322, the second liquid storage tank 323, and the third liquid storage tank 324 to the most appropriate state.

[0040] The working principle of the present invention is as follows:

[0041] First, the smoke generated by calcining petroleum coke needs to be discharged into the dust removal box 1 through a pipeline, specifically, first discharged into the air inlet pipe 6 through the air inlet 4, and then the large particles of impurities in the smoke are separated through the dust removal bag 22 in the through hole of the rotating plate 21.

[0042] When the dust bag 22 removes dust, the dust removal effect is reduced as the removed impurities accumulate in the dust bag 22, thereby reducing the ventilation rate of the bag, which will be detected by the wind detector 9 in the conveying pipe 8 behind the dust bag 22. When it is detected that the wind force is reduced to a preset threshold, an electrical signal is sent to the PLC controller through the wind detector 9, and then the first motor 231 is started through the PLC controller, and the rotating rod 232 is driven by the first motor 231 to drive the rotating plate 21 to rotate 180 degrees. Therefore, when the first motor 231 drives the rotating plate 21 to rotate 180 degrees After that, it automatically stops rotating, so that the other dust bag 22 can continue to remove dust, and then the second motor 233 is started, and the large electric telescopic rod 234 is driven to rotate by the second motor 233, and the large electric telescopic rod 234 is driven to extend outward until the cleaning sponge 235 is brought into contact with the dust bag 22, and then the dust bag 22 is cleaned by the rotation of the cleaning sponge 235, and at the same time, the elastic telescopic rod 237 is vibrated by the vibration motor 236, and the vibration is transmitted to the vibration head 238, and the impurities are further shaken off by the vibration head 238.

[0043] Then, the smoke after the primary dust removal is discharged into the adsorption mechanism 3 through the conveying pipe 8, and then the smoke is further processed by the first activated carbon plate 31 and the third activated carbon plate 33 to adsorb the organic compounds and alkaline substances contained in the smoke;

[0044] However, as the activated carbon plate adsorbs more pollutants, its adsorption force becomes weaker. Therefore, when the gas concentration detects that the alkaline concentration passing through the first activated carbon plate 31 and the third activated carbon plate 33 reaches a preset threshold value, the gas detection concentration detection sends an electrical signal to the PLC controller, and then the PLC controller controls the micro electric telescopic rod 382 at the corresponding position to be retracted, thereby driving the blocking plate 383 to return to the telescopic groove 381 to prevent affecting the movement of the activated carbon plate. At the same time, the third motor 312 is started, and the gear 314 is driven to rotate by the third motor 312. The gear 314 drives the upper tooth plate 39 to descend and the lower tooth plate 310 to rise, thereby further driving the first activated carbon plate 31 to descend and the second activated carbon plate 32 to rise. At the same time, the corresponding pumping structure is controlled to start by the PLC controller, and the pumping structure The acid solution in the first liquid storage tank 322 is discharged into the bottom end of the dust removal box 1 to soak the first activated carbon plate 31 to remove the alkaline substances in the activated carbon plate. After the removal is completed (the soaking time is the test time for pre-pickling the adsorption saturated activated carbon plate and the end of the pickling), the pumping structure is controlled to pump back the treated acid liquid, and then the oxidant in the third liquid storage tank 324 is discharged into the dust removal box 1 through another pumping structure to remove organic pollutants in the first activated carbon plate 31, thereby further improving the purification capacity of the activated carbon. After the treatment with the oxidant is completed (the soaking time is the test time for pre-oxidation treatment of the adsorption saturated activated carbon plate and the end of the oxidation treatment), the oxidant is pumped back, and then the water in the water tank 326 is pumped into the dust removal box 1 through another pumping structure to clean the first activated carbon plate 31.

[0045] When it is detected that the acidic substances contained in the airflow exceed the standard, the fourth motor 315 is controlled to start by the PLC controller, and the fourth motor 315 drives its output end to reel in the first traction rope 318, and then the upper magnetic block 316 is driven to move downward by the first traction rope 318, and then the lower magnetic block 317 is moved upward by the cooperation of the second traction rope 321 and the hanging ring (lever principle), so as to move the third activated carbon plate 33 (the weight of the fourth activated carbon plate 34 is greater than the weight of the third activated carbon plate 33, which is used to reset the third activated carbon plate 33) downward, and the fourth activated carbon plate 34 moves upward to perform alkali washing on the third activated carbon plate 33, and then the third activated carbon plate 33 is treated by the above-mentioned process of treating the first activated carbon plate 31, except that alkali washing is performed.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A dust removal device for petroleum coke calcination, characterized in that: include: Dust removal box (1); An adsorption mechanism (3), the adsorption mechanism (3) comprising two staggered symmetrical first activated carbon plates (31) and a second activated carbon plate (32) and two staggered symmetrical third activated carbon plates (33) and a fourth activated carbon plate (34) slidably connected to the inner wall of the dust removal box (1), wherein the first activated carbon plate (31) and the second activated carbon plate (32) are used to adsorb alkaline substances and organic pollutants, and the third activated carbon plate (33) and the fourth activated carbon plate (34) are used to adsorb acidic substances and organic pollutants, and the first activated carbon plate (31), the second activated carbon plate (32), the third activated carbon plate (33), and the fourth activated carbon plate (34) are all composed of a magnetic frame and a carbon plate fixed in the magnetic frame, and the adsorption mechanism (3) also includes an activity recovery component; The adsorption mechanism (3) comprises a horizontal plate (35) fixedly connected to the inner wall of the dust removal box (1) on the partition plate (7), four sliding openings (36) for the first activated carbon plate (31), the second activated carbon plate (32), the third activated carbon plate (33), and the fourth activated carbon plate (34) to move are provided at the top of the horizontal plate (35), a vertical plate (37) is fixedly connected to the inner wall of the dust removal box (1) at the bottom end of the horizontal plate (35), and a sealing component (38) is provided inside the horizontal plate (35); The closure assembly (38) comprises four telescopic grooves (381) corresponding to the sliding openings (36) formed in the transverse plate (35); two symmetrical micro electric telescopic rods (382) are fixedly connected to the inner wall of the telescopic groove (381); and a blocking plate (383) corresponding to the size of the sliding opening (36) is fixedly connected to the telescopic end of the micro electric telescopic rod (382); An upper tooth plate (39) and a lower tooth plate (310) that are magnetically attracted to the first activated carbon plate (31) and the second activated carbon plate (32) are slidably connected to one side of the dust removal box (1), and an outer wall of a side of the dust removal box (1) close to the upper tooth plate (39) is fixedly connected to a fixing frame (311), a side wall of the fixing frame (311) is fixedly connected to a third motor (312), an output end of the third motor (312) is fixedly connected to a rotating shaft, and an outer wall of the rotating shaft is fixedly connected to a gear (314) that meshes with both the upper tooth plate (39) and the lower tooth plate (310); The outer wall of the dust removal box (1) on one side away from the upper tooth plate (39) is fixedly connected to the fourth motor (315); the outer wall of the dust removal box (1) on one side close to the fourth motor (315) is slidably connected to an upper magnetic block (316) and a lower magnetic block (317) that are magnetically attracted to the third activated carbon plate (33) and the fourth activated carbon plate (34); the bottom end of the upper magnetic block (316) and the output end of the fourth motor (315) are fixedly connected to a first traction rope (318); the top end of the dust removal box (1) is fixedly connected to a support frame (319); the bottom end of the support frame (319) is fixedly connected to a guide ring (320); the top end of the upper magnetic block (316) and the top end of the lower magnetic block (317) are fixedly connected to a second traction rope (321) that passes through the guide ring (320); The outer walls on both sides of the dust removal box (1) are fixedly connected to two staggered and symmetrical first liquid storage tanks (322) and second liquid storage tanks (323); the outer wall on one side of the dust removal box (1) close to the air inlet is fixedly connected to a third liquid storage tank (324); the bottom end of the dust removal box (1) is fixedly connected to a water tank (326); the first liquid storage tank (322) contains an acidic solution, the second liquid storage tank (323) contains an alkaline solution, and the third liquid storage tank (324) contains an oxidant; the upper end of the transverse plate (35) close to the second liquid storage tank (323) is fixedly connected to a gas concentration detector (325); the first liquid storage tank (322) and the second liquid storage tank (323) are both provided with liquid concentration detectors; the first liquid storage tank (322), the second liquid storage tank (323), The top of each of the third liquid storage tanks (324) is provided with a corresponding liquid concentration supplement tank (327). The three liquid concentration supplement tanks (327) are respectively connected to the first liquid storage tank (322), the second liquid storage tank (323), and the third liquid storage tank (324) by two infusion pipes (328). A quantitative metering valve (313) is provided in each of the infusion pipes (328). The concentration detector, the quantitative metering valve (313), the concentration detector, the third motor (312), the fourth motor (315) and the PLC controller are connected by electrical signals to form a recovery circuit. The first liquid storage tank (322), the second liquid storage tank (323), the third liquid storage tank (324), and the water tank (326) all transport liquid into the dust removal box (1) or extract liquid from the dust removal box (1) through a pumping structure.

2. A dust removal device for petroleum coke calcination according to claim 1, characterized in that: The dust removal mechanism (2) further comprises a dust removal mechanism (2), the dust removal mechanism (2) comprising a rotating plate (21) rotatably arranged inside the dust removal box (1), the outer wall of the rotating plate (21) being provided with two vertically symmetrical through holes, and dust removal bags (22) for dust removal are arranged in the two through holes, the dust removal mechanism (2) further comprises a cleaning assembly (23), the outer walls of both sides of the dust removal box (1) being provided with symmetrical air inlets (4) and air outlets (5), the air inlet (4) being fixedly connected with an air inlet pipe (6), the inner diameter of the air inlet pipe (6) being larger than the diameter of the through hole, the air inlet pipe (6) being able to communicate with the through hole or to contact with the rotating plate (21), the inner wall of the dust removal box (1) being fixedly connected with a partition plate (7), the partition plate (7) being provided with a transmission pipe (8) having the same size as the air inlet pipe (6), the transmission pipe (8) being able to communicate with the through hole or to contact with the rotating plate (21), and a wind force detector (9) being arranged in the transmission pipe (8).

3. A dust removal device for petroleum coke calcination according to claim 2, characterized in that: The cleaning assembly (23) comprises a first motor (231) fixedly connected to the outer wall of the dust removal box (1); the output end of the first motor (231) is fixedly connected to a rotating rod (232); the outer wall of the rotating rod (232) is fixedly connected to the rotating plate (21); the other end of the rotating rod (232) is rotatably connected to the partition plate (7); a second motor (233) is fixedly connected to the outer wall of the dust removal box (1) on one side close to the first motor (231); the output end of the second motor (233) is fixedly connected to a large electric telescopic rod (234); the telescopic end of the large electric telescopic rod (234) is fixedly connected to a cleaning plate; and the cleaning plate is close to the rotating plate. A cleaning sponge (235) for cleaning the dust bag (22) is fixedly connected to one side of the plate (21); a vibration motor (236) is fixedly connected to one side of the partition plate (7) close to the rotating plate (21); an elastic telescopic rod (237) is fixedly connected to the output end of the vibration motor (236); a vibration head (238) for vibrating the dust bag (22) is fixedly connected to the telescopic end of the elastic telescopic rod (237); and the wind force detector (9), the first motor (231), the second motor (233), the large electric telescopic rod (234), and the vibration motor (236) are electrically connected to a PLC controller to form a cleaning loop.

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