CN113058838A - Multistage screening device for vanadium-titanium blast furnace coke and use method thereof - Google Patents
Multistage screening device for vanadium-titanium blast furnace coke and use method thereof Download PDFInfo
- Publication number
- CN113058838A CN113058838A CN202110345817.2A CN202110345817A CN113058838A CN 113058838 A CN113058838 A CN 113058838A CN 202110345817 A CN202110345817 A CN 202110345817A CN 113058838 A CN113058838 A CN 113058838A
- Authority
- CN
- China
- Prior art keywords
- box
- screening
- air pump
- case
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/20—Stationary drums with moving interior agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a multistage screening device for vanadium-titanium blast furnace coke and a using method thereof, and relates to the technical field of blast furnace coke screening equipment, wherein the multistage screening device comprises a base and a processing box, the top of the base is fixedly connected with the processing box, the top of the processing box is provided with a main blanking opening, and a first sub-screen assembly is installed in the processing box, and the multistage screening device has the beneficial effects that: the first screening component, the second screening component, the third screening component and the fourth screening component are arranged, so that the multi-stage screening operation of the blast furnace coke is realized, and the final finished product quality is improved; the powder recovery box is arranged, so that the cost consumption is reduced; the waste gas treatment box is arranged, so that the waste gas is subjected to multiple treatment and purification, on one hand, the environmental hazard caused by direct discharge is avoided, on the other hand, the working environment is protected, and the potential health threat to workers is reduced; be provided with first pressure sensor and second pressure sensor, realized automated operation, improved holistic screening work efficiency.
Description
Technical Field
The invention relates to the technical field of blast furnace coke screening equipment, in particular to a multistage screening device for vanadium-titanium blast furnace coke and a using method thereof.
Background
The coal coke is prepared by heating bituminous coal to 950 ℃ and 1050 ℃ under the condition of isolating air, and performing drying, pyrolysis, melting, bonding, solidification, shrinkage and other stages to finally prepare the coke, the process is called high-temperature coking, the coke obtained by the high-temperature coking is used for blast furnace smelting, casting and gasification, the coke oven gas generated in the coking process after recovery and purification is a fuel with high heat value and an important organic synthesis industrial raw material, and the bituminous coal contains a lot of powder, so the bituminous coal needs to be screened before the high-temperature coking, and the bituminous coal powder is screened out. The prior art is comparatively hard, current when sieving high coke, the screening mode is single makes whole screening inefficiency, and can cause a large amount of dust particulate matters when sieving, can cause equipment to block up easily on the one hand, pollute whole operational environment easily on the one hand, threaten the physical and mental health of staff, and do not retrieve powder and blast furnace coke that are not conform to the requirement, cause the waste of resource easily, make whole cost consumption higher, cause the influence when clearing up for the staff later stage, influence holistic screening work efficiency, consequently, need design a vanadium titanium blast furnace is multistage screening device for coke and application method and solve the problem that the aforesaid appears.
Disclosure of Invention
The invention aims to provide a multistage screening device for vanadium-titanium blast furnace coke and a using method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multistage screening device for vanadium-titanium blast furnace coke comprises a base and a processing box, wherein the top of the base is fixedly connected with the processing box, the top of the processing box is provided with a total blanking opening, a first screening component is installed in the processing box, a second screening component is installed in the processing box and below the first screening component, a third screening component is installed in the processing box and below the second screening component, a fourth screening component is installed in the processing box and below the third screening component, the fourth screening component comprises a vibrating screen and a fixed plate, the vibrating screen is installed in the processing box and below the third screening component, the fixed plates are fixedly connected to two sides of the bottom of the vibrating screen, a vibrating motor is fixedly installed at the top of the fixed plates, and the output end of the vibrating motor is connected with the vibrating screen, the inside of processing case just is located the first collection storehouse of below fixedly connected with of fixed plate, the inside of processing case just is located one side fixedly connected with second collection storehouse in first collection storehouse, the bottom fixed mounting in first collection storehouse has first pressure sensor, the bottom fixed mounting in second collection storehouse has second pressure sensor, the top of base just is located one side fixedly connected with powder recycling bin of processing case, the top of base just is located one side fixedly connected with exhaust-gas treatment case of powder recycling bin, one side fixedly connected with ejection of compact case that the powder recycling bin was just kept away from at the top of base, the ejection of compact case is connected with second collection storehouse through connecting tube.
Preferably, the first sieve subassembly includes first collection box and first shock attenuation board, the first collection box of inside fixedly connected with of base, the first dead lever of top fixedly connected with of first collection box, the top fixed mounting of first dead lever has first motor, the top of first collection box and the first sieve case of one side fixedly connected with that is located first dead lever, the inside of first sieve case rotates and is connected with first spiral and carries the pole, the output of first motor run through first sieve case and with first spiral and carry pole fixed connection, the first feed inlet that the cooperation unloading total opening used is seted up at the top of first sieve case, first discharge gate has been seted up to the bottom of first sieve case, the bottom fixed mounting of first collection box has first shock attenuation board.
Preferably, the second sieve component comprises a second recycling bin and a second damping plate, the second recycling bin is fixedly connected inside the base and below the first sieve component, the top of the second recycling bin is fixedly connected with a second fixing rod, the top of the second fixing rod is fixedly provided with a second motor, the top of the second recycling bin is fixedly connected with a second sieve bin on one side of the second fixing rod, the inside of the second sieve bin is rotatably connected with a second spiral conveying rod, the output end of the second motor penetrates through the second sieve bin and is fixedly connected with the second spiral conveying rod, the top of the second sieve bin is provided with a second feeding hole matched with the first discharging hole for use, the bottom of the second sieve bin is provided with a second discharging hole, the bottom of the second recycling bin is fixedly provided with a second damping plate, the third sieve component comprises a third recycling bin and a third damping plate, the inside of base just is located the below fixedly connected with third collection box of second branch sieve subassembly, the top fixedly connected with third dead lever of third collection box, the top fixed mounting of third dead lever has the third motor, the top of third collection box just is located one side fixedly connected with third branch sieve case of third dead lever, the inside rotation of third branch sieve case is connected with third spiral conveying rod, the output of third motor run through third branch sieve case and with third spiral conveying rod fixed connection, the third feed inlet that the cooperation second discharge gate used is seted up at the top of third branch sieve case, the third discharge gate has been seted up to the bottom of third branch sieve case, the bottom fixed mounting of third collection box has the third shock attenuation board.
Preferably, one side fixed mounting of processing case has first air pump, the output of first air pump is connected with the exhaust-gas treatment case through first dust collecting tube, the input of first air pump runs through the processing case and is connected with first branch sieve case, one side of processing case and the below fixed mounting that is located first air pump have the third air pump, the output of third air pump is connected with the exhaust-gas treatment case through the third dust collecting tube, the input of third air pump runs through the processing case and is connected with third branch sieve case, one side fixed mounting that first air pump was kept away from to the processing case has the second air pump, the output of second air pump is connected with the exhaust-gas treatment case through the second dust collecting tube, the input of second air pump runs through the processing case and is connected with second branch sieve case.
Preferably, one side of the processing box and the position above the second air pump are provided with a first powder outlet used by matching with the first recycling box, one side of the base and the position below the second air pump are provided with a third powder outlet used by matching with the third recycling box, and one side of the base and the position below the first air pump are provided with a second powder outlet used by matching with the second recycling box.
Preferably, the first pipeline of fixedly connected with between powder collection box and the processing case, the one end of first pipeline runs through the processing case and is connected with the inside in first collection storehouse, the first screening hole that the equidistance distributes is seted up to the bottom of first branch sieve case, the second screening hole that the equidistance distributes is seted up to the bottom of second branch sieve case, the third screening hole that the equidistance distributes is seted up to the bottom of third branch sieve case, the through-hole diameter in first screening hole is less than the through-hole diameter in second screening hole, the through-hole diameter in second screening hole is less than the through-hole diameter in third screening hole.
Preferably, the inside of exhaust-gas treatment case is rotated and is connected with retaining box, the top fixed mounting of exhaust-gas treatment case has the fourth motor, the output of fourth motor run through exhaust-gas treatment case and with retaining box fixed connection, the bottom fixed mounting of retaining box has the shower head that the equidistance distributes, the inside of exhaust-gas treatment case and the below fixed mounting who is located the shower head have the nanofiber filter plate, the inside of exhaust-gas treatment case and the below fixed mounting who is located the nanofiber filter plate have the active carbon filter plate, the inside of exhaust-gas treatment case and the below fixed mounting who is located the active carbon filter plate have the waste water collecting box, the inside of exhaust-gas treatment case and the below fixed mounting who is located the waste water collecting box have the electrical treatment filter case, connection opening has been seted up at the top of exhaust-gas treatment case.
Preferably, a wastewater outlet matched with the wastewater collecting box is formed in one side of the waste gas treatment box, an exhaust port matched with the electric treatment filter box is formed in one side of the waste gas treatment box and located below the wastewater collecting box, a second pipeline is formed in one side, away from the exhaust port, of the waste gas treatment box, and the other end of the second pipeline is connected with the inside of the waste gas treatment box.
Preferably, the outside fixed mounting of exhaust-gas treatment case has control panel, first motor, second motor, third motor, first air pump, second air pump, third air pump, vibrating motor, first pressure sensor, second pressure sensor, fourth motor and electrical treatment filter box all with control panel electric connection.
Preferably, the method comprises the following steps:
s1, screening unit: the method comprises the following steps of (1) carrying out multi-stage screening on blast furnace coke through a first screening component, a second screening component, a third screening component and a fourth screening component;
s2, a dust removal unit: when the screening in the S1 is carried out, the dust is timely recovered through the first air pump, the second air pump and the third air pump and is conveyed into the waste gas treatment box;
s3, a recovery unit: recovering the powder through the first powder outlet, the second powder outlet and the third powder outlet when the sieving in the S1 is performed, and conveying the powder into the powder recovery box;
s4, conveying unit: after the screening, the dust removal and the powder conveying are finished, the blast furnace coke meeting the standard is timely conveyed into the discharging box.
Compared with the prior art, the invention has the beneficial effects that:
1. the first screening component, the second screening component, the third screening component and the fourth screening component are arranged, so that the multi-stage screening operation of the blast furnace coke is realized, the screening treatment from fine powder to large particles is realized step by step through the difference of the sizes and the diameters of the first screening hole, the second screening hole and the third screening hole, the final screening treatment is realized through the vibrating screen, and the final finished product quality is improved;
2. the powder recycling box is arranged, and the screened powder and the blast furnace coke which does not reach the standard are recycled through the first powder outlet, the second powder outlet, the third powder outlet and the first pipeline, so that on one hand, the whole processing box is convenient to clean subsequently, on the other hand, the resource recycling is realized, and the cost consumption is reduced;
3. the waste gas treatment box is arranged, the first air pump, the second air pump and the third air pump are operated, a large amount of harmful dust gas generated when the first screening box, the second screening box and the third screening box are screened is recycled through the first dust collecting pipe, the second dust collecting pipe and the third dust collecting pipe respectively, multiple treatment and purification of waste gas are realized through a spray header, a nanofiber filter plate, an active carbon filter plate and an electric treatment filter box which are arranged in the waste gas treatment box, on one hand, environmental hazards caused by direct discharge are avoided, on the other hand, the working environment is protected, and potential health threats to workers are reduced;
4. be provided with first pressure sensor and second pressure sensor, when first collection storehouse and the inside storage in second collection storehouse reached a definite value, feed back to control panel respectively through first pressure sensor and second pressure sensor, in time remind the staff to handle, reduced the artifical number of times of carrying out the inspection of staff, reduced labour intensity, realized automatic operation, improved holistic screening work efficiency.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
FIG. 2 is an enlarged view of the first sieving assembly of the present invention;
FIG. 3 is an enlarged view of the second screen division assembly of the present invention;
FIG. 4 is an enlarged view of the third screen subassembly of the present invention;
FIG. 5 is a view showing the internal structure of the exhaust gas treating tank of the present invention.
In the figure: 1-base, 2-processing box, 3-first screening component, 301-first recovery box, 302-first damping plate, 303-first fixed rod, 304-first motor, 305-first screening box, 306-first spiral conveying rod, 307-first feed inlet, 308-first discharge outlet, 309-first screening hole, 4-second screening component, 401-second recovery box, 402-second damping plate, 403-second fixed rod, 404-second motor, 405-second screening box, 406-second spiral conveying rod, 407-second feed inlet, 408-second discharge outlet, 409-second screening hole, 5-third screening component, 501-third recovery box, 502-third damping plate, 503-third fixed rod, 504-a third motor, 505-a third screen separation box, 506-a third screw conveying rod, 507-a third feeding port, 508-a third discharging port, 509-a third screening hole, 6-a waste gas treatment box, 7-a fourth screen separation component, 8-a control panel, 9-a powder recovery box, 10-a discharging box, 11-a discharging total opening, 12-a first air pump, 13-a first dust collecting pipe, 14-a second air pump, 15-a second dust collecting pipe, 16-a third air pump, 17-a third dust collecting pipe, 18-a first powder outlet, 19-a second powder outlet, 20-a third powder outlet, 21-a vibrating screen, 22-a fixing plate, 23-a vibrating motor, 24-a first collection bin, 25-a first pressure sensor, 26-a second collection bin, 27-a second pressure sensor, 28-a first pipeline, 29-a fourth motor, 30-a connecting opening, 31-a water storage box, 32-a spray header, 33-a nanofiber filter plate, 34-an activated carbon filter plate, 35-a second pipeline, 36-a wastewater collection box, 37-a wastewater outlet, 38-an electric treatment filter box and 39-an exhaust port.
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. 1-5, the present invention provides a technical solution: a multistage screening device for vanadium-titanium blast furnace coke comprises a base 1 and a processing box 2, wherein the top of the base 1 is fixedly connected with the processing box 2, the top of the processing box 2 is provided with a discharge main opening 11, a first sub-screen assembly 3 is installed in the processing box 2, a second sub-screen assembly 4 is installed in the processing box 2 and below the first sub-screen assembly 3, a third sub-screen assembly 5 is installed in the processing box 2 and below the second sub-screen assembly 4, a fourth sub-screen assembly 7 is installed in the processing box 2 and below the third sub-screen assembly 5, the whole screening efficiency is improved, the fourth sub-screen assembly 7 comprises a vibrating screen 21 and a fixed plate 22, the vibrating screen 21 is installed in the processing box 2 and below the third sub-screen assembly 5, both sides of the bottom of the vibrating screen 21 are fixedly connected with the fixed plate 22, a vibrating motor 23 is fixedly installed at the top of the fixed plate 22, the output end of a vibrating motor 23 is connected with a vibrating screen 21, a first collecting bin 24 is fixedly connected inside the processing box 2 and below the fixing plate 22, a second collecting bin 26 is fixedly connected inside the processing box 2 and on one side of the first collecting bin 24, a first pressure sensor 25 is fixedly installed at the bottom of the first collecting bin 24, a second pressure sensor 27 is fixedly installed at the bottom of the second collecting bin 26, the first pressure sensor 25 and the second pressure sensor 27 are respectively fed back to the control panel 8 to remind workers of processing in time, the number of times of manual inspection of the workers is reduced, the labor intensity is reduced, the normal conveying of blast furnace coke is realized, the automatic operation is realized, the whole screening work efficiency is improved, a powder recovery box 9 is fixedly connected to the top of the base 1 and on one side of the processing box 2, a waste gas treatment box 6 is fixedly connected to the top of the base 1 and on one side of the powder recovery box 9, one side fixedly connected with ejection of compact case 10 that powder recycling bin 9 was just kept away from at the top of base 1, ejection of compact case 10 is connected with second collection storehouse 26 through connecting tube, has made things convenient for the staff to carry unified transport and has handled.
Wherein, first branch sieve subassembly 3 includes first collection box 301 and first shock attenuation board 302, the first collection box 301 of inside fixedly connected with of base 1, the first dead lever 303 of top fixedly connected with of first collection box 301, the top fixed mounting of first dead lever 303 has first motor 304, the top of first collection box 301 just is located the first branch sieve case 305 of one side fixedly connected with of first dead lever 303, the inside rotation of first branch sieve case 305 is connected with first auger delivery pole 306, the output of first motor 304 run through first branch sieve case 305 and with first auger delivery pole 306 fixed connection, first feed inlet 307 that the cooperation unloading total opening 11 used is seted up at the top of first branch sieve case 305, first discharge gate 308 has been seted up to the bottom of first branch sieve case 305, the bottom fixed mounting of first collection box 301 has first shock attenuation board 302, once screening has been realized, whole shock attenuation buffering effect has been improved.
Wherein, the second sieve component 4 comprises a second recycling box 401 and a second damping plate 402, the second recycling box 401 is fixedly connected inside the base 1 and below the first sieve component 3, the top of the second recycling box 401 is fixedly connected with a second fixing rod 403, the top of the second fixing rod 403 is fixedly provided with a second motor 404, the top of the second recycling box 401 and one side of the second fixing rod 403 are fixedly connected with a second sieve component box 405, the inside of the second sieve component box 405 is rotatably connected with a second spiral conveying rod 406, the output end of the second motor 404 penetrates through the second sieve component box 405 and is fixedly connected with the second spiral conveying rod 406, the top of the second sieve component box 405 is provided with a second feeding port 407 matched with the first discharging port 308 for use, the bottom of the second sieve component box 405 is provided with a second discharging port 408, the bottom of the second recycling box 401 is fixedly provided with a second damping plate 402, so as to realize secondary sieving, the overall shock absorption and buffering effect is improved, the third sieving assembly 5 comprises a third recycling box 501 and a third shock absorption plate 502, the third recycling box 501 is fixedly connected inside the base 1 and below the second sieving assembly 4, a third fixing rod 503 is fixedly connected to the top of the third recycling box 501, a third motor 504 is fixedly mounted at the top of the third fixing rod 503, a third sieving box 505 is fixedly connected to the top of the third recycling box 501 and located on one side of the third fixing rod 503, a third spiral conveying rod 506 is rotatably connected to the inside of the third sieving box 505, the output end of the third motor 504 penetrates through the third sieving box 505 and is fixedly connected with the third spiral conveying rod 506, a third inlet 507 matched with the second outlet 408 is formed at the top of the third sieving box 505, a third outlet 508 is formed at the bottom of the third sieving box 505, and the third shock absorption plate 502 is fixedly mounted at the bottom of the third recycling box 501, the three-time screening is realized, and the overall damping and buffering effect is improved.
Wherein, one side of the processing box 2 is fixedly provided with a first air pump 12, the output end of the first air pump 12 is connected with the waste gas treatment box 6 through a first dust collecting pipe 13, the input end of the first air pump 12 penetrates through the processing box 2 and is connected with a first sub-sieve box 305, one side of the processing box 2 and is positioned below the first air pump 12 is fixedly provided with a third air pump 16, the output end of the third air pump 16 is connected with the waste gas treatment box 6 through a third dust collecting pipe 17, the input end of the third air pump 16 penetrates through the processing box 2 and is connected with a third sub-sieve box 505, one side of the processing box 2 far away from the first air pump 12 is fixedly provided with a second air pump 14, the output end of the second air pump 14 is connected with the waste gas treatment box 6 through a second dust collecting pipe 15, the input end of the second air pump 14 penetrates through the processing box 2 and is connected with a second sub-sieve box 405, thereby realizing multiple treatment and purification of waste, on one hand, the working environment is protected, and potential health threats to workers are reduced.
Wherein, the first powder export 18 that cooperation first collection box 301 used is seted up to one side of processing case 2 and the top that is located second air pump 14, the third powder export 20 that cooperation third collection box 501 used is seted up to one side of base 1 and the below that is located second air pump 14, the second powder export 19 that cooperation second collection box 401 used is seted up to one side of base 1 and the below that is located first air pump 12, carry out recovery processing to the powder that sieves out and the blast furnace coke that does not reach the standard, make things convenient for follow-up whole the cleaning of processing case 2 on the one hand, resource recovery has been realized on the one hand, and cost consumption is reduced.
Wherein, the first pipeline 28 of fixedly connected with between powder recycling bin 9 and the processing case 2, the one end of first pipeline 28 runs through processing case 2 and is connected with the inside of first collection storehouse 24, first screening hole 309 of equidistance distribution is seted up to the bottom of first branch sieve case 305, second screening hole 409 of equidistance distribution is seted up to the bottom of second branch sieve case 405, third screening hole 509 of equidistance distribution is seted up to the bottom of third branch sieve case 505, the through-hole diameter of first screening hole 309 is less than the through-hole diameter of second screening hole 409, the through-hole diameter of second screening hole 409 is less than the through-hole diameter of third screening hole 509, realized progressively to tiny powder to the screening of big granule to handle.
Wherein, the inside of the waste gas treatment box 6 is rotatably connected with a water storage box 31, the top of the waste gas treatment box 6 is fixedly provided with a fourth motor 29, the output end of the fourth motor 29 penetrates through the waste gas treatment box 6 and is fixedly connected with the water storage box 31, the bottom of the water storage box 31 is fixedly provided with spray headers 32 which are distributed at equal intervals, the inside of the waste gas treatment box 6 and the lower part of the spray headers 32 are fixedly provided with a nano-fiber filter plate 33, the inside of the waste gas treatment box 6 and the lower part of the nano-fiber filter plate 33 are fixedly provided with an activated carbon filter plate 34, the inside of the waste gas treatment box 6 and the lower part of the activated carbon filter plate 34 are fixedly provided with a waste water collection box 36, the inside of the waste gas treatment box 6 and the lower part of the waste water collection box 36 are fixedly provided with an electric treatment filter box 38, the top of the waste gas treatment box 6 is provided, on one hand, environmental hazards caused by direct discharge are avoided, on the other hand, the working environment is protected, and potential health threats to workers are reduced.
Wherein, the waste water export 37 that cooperation waste water collecting box 36 used is seted up to one side of exhaust-gas treatment case 6, and the gas vent 39 that cooperation electric treatment filter case 38 used is seted up to one side of exhaust-gas treatment case 6 and the below that is located waste water collecting box 36, and the second pipeline 35 has been seted up to one side that exhaust-gas treatment case 6 kept away from gas vent 39, and the other end of second pipeline 35 is connected with the inside of exhaust-gas treatment case 6, has realized holistic normal operating.
The control panel 8 is fixedly mounted on the outer side of the exhaust gas treatment box 6, and the first motor 304, the second motor 404, the third motor 504, the first air pump 12, the second air pump 14, the third air pump 16, the vibration motor 23, the first pressure sensor 25, the second pressure sensor 27, the fourth motor 29 and the electric treatment filter box 38 are electrically connected with the control panel 8, so that the whole normal operation is realized.
The method comprises the following steps:
s1, screening unit: the blast furnace coke is screened in multiple stages through the first screening component 3, the second screening component 4, the third screening component 5 and the fourth screening component 7, so that normal screening treatment is realized;
s2, a dust removal unit: when the screening in the S1 is performed, the first air pump 12, the second air pump 14 and the third air pump 16 timely recover dust and convey the dust to the inside of the waste gas treatment box 6, so that the normal dust removal treatment is realized;
s3, a recovery unit: when the screening in S1 is performed, the powder is recovered through the first powder outlet 18, the second powder outlet 19 and the third powder outlet 20, and is conveyed into the powder recovery box 9, so that the normal recovery processing is realized;
s4, conveying unit: after the screening, the dust removal and the powder conveying are finished, the blast furnace coke meeting the standard is timely conveyed into the discharging box 10, and the normal conveying treatment is realized.
Specifically, the models of the first pressure sensor 25 and the second pressure sensor 27 are both FBM320, and when the present invention is used, the specific working principle is as follows: when the device is used, the control panel 8 is opened, blast furnace coke is poured into the processing box 2 through the discharging main opening 11 and falls into the first sieving box 305, the first motor 304 operates, the first spiral conveying rod 306 is driven to rotate through the rotation of the output end, primary sieving is realized, fine powder falls into the first recovery box 301 through the first sieving hole 309 and is collected for the first time, the rest blast furnace coke falls into the second sieving box 405 through the first discharging hole 308, the second motor 404 operates, the second spiral conveying rod 406 is driven to rotate through the rotation of the output end, secondary sieving is realized, larger powder falls into the second recovery box 401 through the second sieving hole 409 and is collected for the second time, the rest blast furnace coke falls into the third sieving box 505 through the second discharging hole 408, the third motor 504 operates, the third spiral conveying rod 506 is driven to rotate through the rotation of the output end, the third screening is realized, the particulate matters fall into the third recycling bin 501 through the third screening hole 509, the third collection is realized, the multi-stage screening operation of the blast furnace coke is realized through the first screening component 3, the second screening component 4 and the third screening component 5, the screening treatment from fine powder to large particles is realized step by step through the difference of the sizes and the diameters of the first screening hole 309, the second screening hole 409 and the third screening hole 509, the blast furnace coke screened in the three steps falls onto the surface of the vibrating screen 21 through the third discharge hole 508, the vibrating motor 23 is operated, the normal screening treatment is realized, the final screening treatment is realized, and the final finished product quality is improved; during the screening operation, a large amount of powder and substandard blast furnace coke can appear, and the screened powder and the substandard blast furnace coke are recycled through the first powder outlet 18, the second powder outlet 19, the third powder outlet 20 and the first pipeline 28, so that on one hand, the whole processing box 2 is convenient to clean subsequently, on the other hand, the resource recovery is realized, and the cost consumption is reduced; a large amount of dust particles can appear during the screening operation, the first air pump 12, the second air pump 14 and the third air pump 16 are all operated, a large amount of dust harmful gas generated during the screening of the first screening box 305, the second screening box 405 and the third screening box 505 is recovered through the first dust collecting pipe 13, the second dust collecting pipe 15 and the third dust collecting pipe 17 respectively and is conveyed into the waste gas treatment box 6 in a unified manner, the fourth motor 29 is operated, the water storage box 31 is driven to rotate through the rotation of the output end, the spraying head 32 at the bottom is driven to rotate, the water degradation and purification treatment of waste gas is realized, the waste gas is subjected to multiple treatment and purification through the nanofiber filter plate 33, the activated carbon filter plate 34 and the electric treatment filter box 38 in sequence after the water treatment is finished, the waste gas is discharged through the exhaust port 39, on one hand, the environmental hazard caused by direct discharge is avoided, on the other hand, the working environment is protected, potential health threats to workers are reduced, and the generated sewage is collected by the waste water collection box 36 and is uniformly discharged through the waste water outlet 37; after the operation of screening, the blast furnace coke that handles through the screening can fall into the inside of first collection storehouse 24 and second collection storehouse 26 respectively according to not equidimension granule, detect respectively through first pressure sensor 25 and second pressure sensor 27, when the inside storage in first collection storehouse 24 and second collection storehouse 26 reaches a definite value, feed back to control panel 8 respectively through first pressure sensor 25 and second pressure sensor 27, in time remind the staff to handle, the artifical number of times of carrying out the inspection of staff has been reduced, labor intensity has been reduced, realize normally carrying blast furnace coke, automatic operation has been realized, holistic screening work efficiency has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a vanadium titanium blast furnace is multistage sieving mechanism for coke, includes base (1) and processing case (2), its characterized in that: the top of the base (1) is fixedly connected with a processing box (2), the top of the processing box (2) is provided with a total blanking opening (11), a first screening component (3) is installed in the processing box (2), a second screening component (4) is installed in the processing box (2) and below the first screening component (3), a third screening component (5) is installed in the processing box (2) and below the second screening component (4), a fourth screening component (7) is installed in the processing box (2) and below the third screening component (5), the fourth screening component (7) comprises a vibrating screen (21) and a fixing plate (22), the vibrating screen (21) is installed in the processing box (2) and below the third screening component (5), the fixing plate (22) is fixedly connected to both sides of the bottom of the vibrating screen (21), the top of the fixed plate (22) is fixedly provided with a vibrating motor (23), the output end of the vibrating motor (23) is connected with a vibrating screen (21), the interior of the processing box (2) is fixedly connected with a first collecting bin (24) below the fixed plate (22), the interior of the processing box (2) is fixedly connected with a second collecting bin (26) on one side of the first collecting bin (24), the bottom of the first collecting bin (24) is fixedly provided with a first pressure sensor (25), the bottom of the second collecting bin (26) is fixedly provided with a second pressure sensor (27), the top of the base (1) is fixedly connected with a powder recovery box (9) on one side of the processing box (2), the top of the base (1) is fixedly connected with an exhaust gas treatment box (6) on one side of the powder recovery box (9), the powder recycling bin is characterized in that a discharge bin (10) is fixedly connected to one side, away from the powder recycling bin (9), of the top of the base (1), and the discharge bin (10) is connected with a second collection bin (26) through a connecting pipeline.
2. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 1, characterized in that: the first screening component (3) comprises a first recovery box (301) and a first damping plate (302), the first recovery box (301) is fixedly connected to the inside of the base (1), a first fixing rod (303) is fixedly connected to the top of the first recovery box (301), a first motor (304) is fixedly mounted at the top of the first fixing rod (303), a first screening box (305) is fixedly connected to the top of the first recovery box (301) and located on one side of the first fixing rod (303), a first spiral conveying rod (306) is rotatably connected to the inside of the first screening box (305), an output end of the first motor (304) penetrates through the first screening box (305) and is fixedly connected with the first spiral conveying rod (306), a first feeding hole (307) matched with a main blanking opening (11) for use is formed in the top of the first screening box (305), a first discharging hole (308) is formed in the bottom of the first screening box (305), the bottom of the first recovery box (301) is fixedly provided with a first damping plate (302).
3. The multistage screening device for vanadium-titanium blast furnace coke according to claim 2, characterized in that: the second sieve component (4) comprises a second recovery box (401) and a second damping plate (402), the second recovery box (401) is fixedly connected to the inner portion of the base (1) and is located below the first sieve component (3), a second fixing rod (403) is fixedly connected to the top of the second recovery box (401), a second motor (404) is fixedly installed at the top of the second fixing rod (403), a second sieve component box (405) is fixedly connected to the top of the second recovery box (401) and is located on one side of the second fixing rod (403), a second spiral conveying rod (406) is rotatably connected to the inner portion of the second sieve component box (405), the output end of the second motor (404) penetrates through the second sieve component box (405) and is fixedly connected with the second spiral conveying rod (406), a second feed inlet (407) matched with the first discharge port (308) is formed in the top of the second sieve component box (405), a second discharge hole (408) is formed in the bottom of the second sieve box (405), a second damping plate (402) is fixedly mounted at the bottom of the second recycling box (401), the third sieve component (5) comprises a third recycling box (501) and a third damping plate (502), a third recycling box (501) is fixedly connected to the inner portion of the base (1) and is located below the second sieve component (4), a third fixing rod (503) is fixedly connected to the top of the third recycling box (501), a third motor (504) is fixedly mounted at the top of the third fixing rod (503), a third sieve box (505) is fixedly connected to the top of the third recycling box (501) and is located on one side of the third fixing rod (503), a third spiral conveying rod (506) is rotatably connected to the inner portion of the third sieve box (505), and the output end of the third motor (504) penetrates through the third sieve box (505) and is fixedly connected with the third spiral conveying rod (506), the top of third minute sieve case (505) has been seted up and has been cooperated third feed inlet (507) that second discharge gate (408) used, third discharge gate (508) have been seted up to the bottom of third minute sieve case (505), the bottom fixed mounting of third collection box (501) has third shock attenuation board (502).
4. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 3, characterized in that: one side fixed mounting of processing case (2) has first air pump (12), the output of first air pump (12) is connected with exhaust-gas treatment case (6) through first dust collecting pipe (13), the input of first air pump (12) runs through processing case (2) and is connected with first branch sieve case (305), one side of processing case (2) just is located the below fixed mounting of first air pump (12) has third air pump (16), the output of third air pump (16) is connected with exhaust-gas treatment case (6) through third dust collecting pipe (17), the input of third air pump (16) runs through processing case (2) and is connected with third branch sieve case (505), one side fixed mounting that first air pump (12) was kept away from in processing case (2) has second air pump (14), the output of second air pump (14) is connected with exhaust-gas treatment case (6) through second dust collecting pipe (15), the input end of the second air pump (14) penetrates through the processing box (2) and is connected with the second screening box (405).
5. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 4, characterized in that: the powder recycling device is characterized in that a first powder outlet (18) matched with a first recycling box (301) for use is formed in one side of the processing box (2) and above a second air pump (14), a third powder outlet (20) matched with a third recycling box (501) for use is formed in one side of the base (1) and below the second air pump (14), and a second powder outlet (19) matched with a second recycling box (401) for use is formed in one side of the base (1) and below the first air pump (12).
6. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 3, characterized in that: first pipeline (28) of fixedly connected with between powder recovery case (9) and processing case (2), the one end of first pipeline (28) runs through processing case (2) and is connected with the inside of first collection storehouse (24), first screening hole (309) that the equidistance distributes is seted up to the bottom of first branch sieve case (305), second screening hole (409) that the equidistance distributes are seted up to the bottom of second branch sieve case (405), third screening hole (509) that the equidistance distributes are seted up to the bottom of third branch sieve case (505), the through-hole diameter of first screening hole (309) is less than the through-hole diameter of second screening hole (409), the through-hole diameter of second screening hole (409) is less than the through-hole diameter of third screening hole (509).
7. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 4, characterized in that: the inside of exhaust-gas treatment case (6) is rotated and is connected with water storage box (31), the top fixed mounting of exhaust-gas treatment case (6) has fourth motor (29), the output of fourth motor (29) runs through exhaust-gas treatment case (6) and with water storage box (31) fixed connection, the bottom fixed mounting of water storage box (31) has shower head (32) that the equidistance distributes, the inside of exhaust-gas treatment case (6) and the below fixed mounting that is located shower head (32) have nanofiber filter plate (33), the inside of exhaust-gas treatment case (6) and the below fixed mounting that is located nanofiber filter plate (33) have active carbon filter plate (34), the inside of exhaust-gas treatment case (6) and the below fixed mounting that is located active carbon filter plate (34) have wastewater collection box (36), the inside of exhaust-gas treatment case (6) and the below fixed mounting that is located wastewater collection box (36) have electrical treatment filter box (38), the top of the waste gas treatment box (6) is provided with a connecting opening (30).
8. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 7, characterized in that: waste water outlet (37) matched with the waste water collecting box (36) for use are formed in one side of the waste gas treatment box (6), an exhaust port (39) matched with the electric treatment filter box (38) for use is formed in one side of the waste gas treatment box (6) and located below the waste water collecting box (36), a second pipeline (35) is formed in one side, away from the exhaust port (39), of the waste gas treatment box (6), and the other end of the second pipeline (35) is connected with the inside of the waste gas treatment box (6).
9. The multistage screening apparatus for vanadium-titanium blast furnace coke according to claim 7, characterized in that: the waste gas treatment device is characterized in that a control panel (8) is fixedly mounted on the outer side of the waste gas treatment box (6), and the first motor (304), the second motor (404), the third motor (504), the first air pump (12), the second air pump (14), the third air pump (16), the vibration motor (23), the first pressure sensor (25), the second pressure sensor (27), the fourth motor (29) and the electric treatment filter box (38) are all electrically connected with the control panel (8).
10. The use method of the multistage screening device for vanadium-titanium blast furnace coke according to claim 9, characterized in that: the method comprises the following steps:
s1, screening unit: the blast furnace coke is screened in multiple stages through a first screening component (3), a second screening component (4), a third screening component (5) and a fourth screening component (7);
s2, a dust removal unit: when the screening in the S1 is carried out, the first air pump (12), the second air pump (14) and the third air pump (16) are used for timely recovering dust and conveying the dust to the interior of the waste gas treatment box (6);
s3, a recovery unit: recovering the powder through a first powder outlet (18), a second powder outlet (19) and a third powder outlet (20) when the sieving in S1 is performed, and conveying the powder to the inside of a powder recovery box (9);
s4, conveying unit: after the screening, the dust removal and the powder conveying are finished, the standard-meeting blast furnace coke is timely conveyed into the discharging box (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110345817.2A CN113058838A (en) | 2021-03-31 | 2021-03-31 | Multistage screening device for vanadium-titanium blast furnace coke and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110345817.2A CN113058838A (en) | 2021-03-31 | 2021-03-31 | Multistage screening device for vanadium-titanium blast furnace coke and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113058838A true CN113058838A (en) | 2021-07-02 |
Family
ID=76565130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110345817.2A Pending CN113058838A (en) | 2021-03-31 | 2021-03-31 | Multistage screening device for vanadium-titanium blast furnace coke and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113058838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691892A (en) * | 2020-12-09 | 2021-04-23 | 胡江 | Multifunctional screening equipment for processing recycled concrete |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190900079A (en) * | 1909-01-01 | 1909-08-19 | Herbert John Haddan | Improvements in Mixing and Straining Machines. |
| US6244445B1 (en) * | 1999-05-27 | 2001-06-12 | Nec Corporation | Moisturizing equipment |
| CN108246039A (en) * | 2018-03-29 | 2018-07-06 | 苏州瑞之弘空气净化有限公司 | A kind of environment-friendly type grain vibrating cleaning sieve |
| CN207592237U (en) * | 2017-11-17 | 2018-07-10 | 洛阳理工学院 | A kind of vibration screening dust settler |
| CN109482466A (en) * | 2018-11-08 | 2019-03-19 | 兰州理工大学 | A kind of multipurpose labyrinth channel seed screener |
| CN208695528U (en) * | 2018-05-23 | 2019-04-05 | 成渝钒钛科技有限公司 | A kind of object sieve and vibrosieve equipment |
| CN209502267U (en) * | 2018-12-25 | 2019-10-18 | 江西省捷登矿山机械有限公司 | A kind of grader facilitating discharging |
| CN211463785U (en) * | 2019-08-23 | 2020-09-11 | 翁牛特旗盛世莲花矿业有限责任公司 | Layered screening device for coal coke production |
| CN112044724A (en) * | 2020-08-13 | 2020-12-08 | 安徽科技学院 | High-efficient hierarchical collection device of little plastics in lake sediment |
| CN212238116U (en) * | 2020-03-25 | 2020-12-29 | 北京中诺星火科技有限公司 | Agricultural product processing screening installation |
| CN112547260A (en) * | 2020-12-11 | 2021-03-26 | 毛建军 | Solid waste handles with dividing sieve storage device |
-
2021
- 2021-03-31 CN CN202110345817.2A patent/CN113058838A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190900079A (en) * | 1909-01-01 | 1909-08-19 | Herbert John Haddan | Improvements in Mixing and Straining Machines. |
| US6244445B1 (en) * | 1999-05-27 | 2001-06-12 | Nec Corporation | Moisturizing equipment |
| CN207592237U (en) * | 2017-11-17 | 2018-07-10 | 洛阳理工学院 | A kind of vibration screening dust settler |
| CN108246039A (en) * | 2018-03-29 | 2018-07-06 | 苏州瑞之弘空气净化有限公司 | A kind of environment-friendly type grain vibrating cleaning sieve |
| CN208695528U (en) * | 2018-05-23 | 2019-04-05 | 成渝钒钛科技有限公司 | A kind of object sieve and vibrosieve equipment |
| CN109482466A (en) * | 2018-11-08 | 2019-03-19 | 兰州理工大学 | A kind of multipurpose labyrinth channel seed screener |
| CN209502267U (en) * | 2018-12-25 | 2019-10-18 | 江西省捷登矿山机械有限公司 | A kind of grader facilitating discharging |
| CN211463785U (en) * | 2019-08-23 | 2020-09-11 | 翁牛特旗盛世莲花矿业有限责任公司 | Layered screening device for coal coke production |
| CN212238116U (en) * | 2020-03-25 | 2020-12-29 | 北京中诺星火科技有限公司 | Agricultural product processing screening installation |
| CN112044724A (en) * | 2020-08-13 | 2020-12-08 | 安徽科技学院 | High-efficient hierarchical collection device of little plastics in lake sediment |
| CN112547260A (en) * | 2020-12-11 | 2021-03-26 | 毛建军 | Solid waste handles with dividing sieve storage device |
Non-Patent Citations (1)
| Title |
|---|
| 全国勘察设计注册工程师环保专业管理委员会，中国环境保护产业协会: "《注册环保工程师专业考试复习教材.大气污染防治工程技术与实践》", 31 March 2017, 中国环境出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691892A (en) * | 2020-12-09 | 2021-04-23 | 胡江 | Multifunctional screening equipment for processing recycled concrete |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113731607B (en) | Waste lithium battery crushing system and process thereof | |
| CN212594581U (en) | Organic waste gas treatment device with waste heat recovery mechanism | |
| CN111853802A (en) | Garbage drying and pyrolyzing method | |
| CN107971320A (en) | A kind of refuse disposal installation with deodorization functions | |
| CN113058838A (en) | Multistage screening device for vanadium-titanium blast furnace coke and use method thereof | |
| CN108176481A (en) | A kind of broken apart device of industrial combustion solid waste | |
| CN111346713A (en) | Novel waste lead-acid battery resource regeneration and recovery process | |
| CN210292644U (en) | Powder drying and grinding device | |
| CN111853825A (en) | Dry pyrolysis device of rubbish | |
| CN214185098U (en) | Oil fume removing device of cold header | |
| CN217369218U (en) | Millet cleaning and drying equipment | |
| CN109351035A (en) | A kind of material dewatering storage device | |
| CN215196135U (en) | Dust collecting and desulfurizing device for zinc smelting tail gas of electric furnace | |
| CN115155172A (en) | Combustible dust control device of grain processing factory | |
| CN209173517U (en) | A kind of material dewatering storage device | |
| CN204773137U (en) | Surplus plastics cleaning system that selects separately in kitchen | |
| CN211463785U (en) | Layered screening device for coal coke production | |
| CN209669124U (en) | A kind of efficient tube type biology carbide furnace | |
| CN209721059U (en) | Charger is used in a kind of processing of rare earth | |
| CN209584120U (en) | A kind of waste oil slag filtration device | |
| CN113913204A (en) | Horizontal type domestic garbage anaerobic pyrolysis carbonization device and implementation method | |
| CN211328730U (en) | Dust gas treatment device for processing recycled concrete waste | |
| CN205926579U (en) | Treatment equipment for waste circuit board | |
| CN205165186U (en) | Novel dust removal device | |
| CN105195419A (en) | Novel dust removal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210702 |
|
| RJ01 | Rejection of invention patent application after publication |