CN114061313A - Kiln waste gas treatment device - Google Patents
Kiln waste gas treatment device Download PDFInfo
- Publication number
- CN114061313A CN114061313A CN202111445152.9A CN202111445152A CN114061313A CN 114061313 A CN114061313 A CN 114061313A CN 202111445152 A CN202111445152 A CN 202111445152A CN 114061313 A CN114061313 A CN 114061313A
- Authority
- CN
- China
- Prior art keywords
- mixing box
- furnace
- treatment device
- gas treatment
- matched
- 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.)
- Granted
Links
- 239000002912 waste gas Substances 0.000 title abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 claims abstract description 3
- 238000004321 preservation Methods 0.000 claims description 25
- 238000005303 weighing Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 abstract description 7
- 239000011449 brick Substances 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000003245 coal Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011821 neutral refractory Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
- F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
- F23K1/02—Mixing solid fuel with a liquid, e.g. preparing slurries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/50—Blending
- F23K2201/503—Blending with non-combustible liquids to prepare slurries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
Abstract
The invention discloses a kiln waste gas treatment device, which comprises a drying furnace, a sintering furnace, a holding furnace and a dust remover, wherein the holding furnace is connected with an incinerator for providing heat for the holding furnace, the dust remover is provided with an auger conveyor for conveying carbon-containing dust, a mixing box for supplying fuel for the incinerator is arranged between the auger conveyor and the incinerator, the mixing box is arranged on a rotary table, the mixing box is provided with a discharge valve and a conducting ring matched with the discharge valve, one side of the holding furnace is provided with a sliding block contacted with the conducting ring after the mixing box rotates.
Description
Technical Field
The invention relates to the technical field of gas treatment equipment, in particular to a kiln waste gas treatment device.
Background
The carbon brick is a high-temperature resistant neutral refractory brick product prepared by taking a carbonaceous material as a main raw material and adding a proper amount of bonding agent. The carbon bricks are widely used for building the bottom, hearth, belly and lower part of the shaft of the blast furnace.
The carbon brick usually needs drying earlier when the kiln is built, the sintering again, it is discharged after the heat preservation stove cools down gradually at last, the carbon brick is because of adopting the large discharge fan when dry, can adsorb a large amount of carbon-containing dust on carbon brick surface in the dust remover, or directly discharge, not only cause environmental pollution, also can make favourable resource loss, the heat preservation stove of kiln adopts the waste heat in the sintering furnace to keep warm usually simultaneously, its heat preservation effect is unstable, the heat is inhomogeneous, make some carbon bricks when the cooling rate is too fast the surface produce the crackle, influence the carbon brick quality.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a kiln waste gas treatment device.
In order to solve the technical problems, the invention is solved by the following technical scheme: a kiln waste gas treatment device comprises a drying furnace, a sintering furnace, a heat preservation furnace and a dust remover.
In the above-mentioned scheme, it is preferred, the heat preservation stove is connected with and burns burning furnace for its provides the heat, be equipped with the auger conveyor who carries the carbon-containing dust on the dust shaker, auger conveyor and burn and be equipped with the mixing box that provides fuel for burning furnace between burning furnace, the mixing box is located on the revolving stage, be equipped with the bleeder valve on the mixing box and with bleeder valve matched with conducting ring, heat preservation stove one side is equipped with the slider that contacts with the conducting ring after the mixing box rotates, and its beneficial effect lies in: provides an incinerator for providing heat for a holding furnace, so that the holding furnace is heated more uniformly and stably, and the quality of carbon bricks discharged from the furnace is ensured.
In the above scheme, it is preferred, the revolving stage rotates and locates in the frame, be equipped with the motor in the frame, be equipped with first gear on the revolving stage, be equipped with on the motor with first gear matched with second gear, its beneficial effect lies in: a specific structure of a turntable is provided, so that the turntable can rotate on a frame.
In the above scheme, it is preferred, be equipped with the inductor of weighing between mixing box and the revolving stage, the inductor of weighing passes through the PLC controller and links to each other with auger conveyor and motor, and its beneficial effect lies in: provides a trigger condition of the rotary table and the auger conveyor, so that the trigger condition can be matched with the weight of the mixing box.
In the above scheme, it is preferred, the mixing box bottom is equipped with the limiting plate, the conducting ring cover is located on the mixing box, the cover is equipped with first spring on the mixing box, limiting plate and conducting ring are leaned on respectively in first spring both ends top, be equipped with the opening on the conducting ring, the slider cooperatees with the opening and makes the conducting ring closed, and its beneficial effect lies in: the slider is used for triggering the drain valve after the mixing box rotates, so that the drain valve is drained by matching the slider after the mixing box rotates.
In the above scheme, it is preferred, be equipped with the suction opening on the heat preservation stove, the last slip of suction opening is equipped with the valve plate, be equipped with the baffle on the valve plate, be equipped with on the heat preservation stove with baffle matched with electro-magnet, be equipped with the second spring between baffle and the electro-magnet, its beneficial effect lies in: the air quantity condition device of the heat preservation furnace is provided, so that the temperature in the heat preservation furnace can be adjusted through the air quantity of air draft of the heat preservation furnace, and the heat preservation furnace can achieve the effect of uniform cooling.
In the above scheme, preferably, the holding furnace is provided with a slide rheostat matched with the electromagnet on one side, the slide block is arranged on the slide rheostat, the slide block is connected with the contact piece, the contact piece is connected with the coil, and the beneficial effects are that: a slide rheostat is matched with an electromagnet, so that the slide rheostat can control the opening and closing of a valve plate through the magnetic force of the electromagnet.
In the above scheme, it is preferred, the slider is located on the slide bar, be equipped with the third spring between slider and the slide rheostat, be equipped with first magnet on the slider, its beneficial effect lies in: a return spring for a slider is provided.
In the above scheme, it is preferred, be equipped with the floater in the mixing box and with floater matched with guide rail, be equipped with on the floater with first magnet matched with second magnet, its beneficial effect lies in: a matching structure of the floating ball and the first magnet is provided, so that the floating ball and the first magnet can be matched to synchronously slide.
The invention has the beneficial effects that: the invention provides a device for treating waste gas generated during drying of carbon bricks, which can heat a holding furnace by converting carbon powder in the waste gas into coal water slurry, and simultaneously gradually cool the holding furnace along with the reduction of the amount of the coal water slurry, thereby ensuring the quality of the carbon bricks.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partially enlarged schematic view of the present invention.
FIG. 3 is a schematic view of the mixing box of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-3, a kiln exhaust gas treatment device, includes drying furnace 1, fritting furnace 2, heat preservation furnace 3 and dust shaker 4, drying furnace 1 is used for doing the moisture clearance before the sintering to the carbon brick, fritting furnace 2 is used for carrying out the high temperature sintering to the carbon brick, heat preservation furnace 3 is used for carrying out the gradual cooling after keeping warm to the carbon brick after the sintering, makes the carbon brick surface not produce the crackle, dust shaker 4 links to each other with drying furnace 1, drying furnace 1 adopts the drying of big discharge fan when dry, produces a large amount of carbon powder, the carbon powder all gets into in the dust storage storehouse of dust shaker 4 through dust shaker 4.
The bottom of a dust storage bin of the dust remover 4 is connected with an auger conveyor 6, and the auger conveyor 6 is used for conveying dust-stored carbon powder; the heat preservation furnace 3 is connected with an incinerator 5, and the incinerator 5 provides heat for the heat preservation furnace 3 during incineration so that the heat preservation furnace 3 keeps balanced temperature; the incinerator 5 is a coal water slurry incinerator, which is the prior art and will not be described in detail herein.
The heat preservation stove 3 upper portion is equipped with the suction opening 31 of adjustable air extraction volume, suction opening 31 is connected with the air exhauster, the switching of the temperature accessible suction opening 31 in the heat preservation stove 3 is adjusted, and when the heat that burns burning furnace 5 and provide heat 3 is constant, the more the wind that the air exhauster was taken out, the lower the temperature in the heat preservation stove 3.
Slide on the cross section of suction opening 31 and be equipped with valve plate 32, valve plate 32 be with suction opening 31 cross section matched with board, when valve plate 32 slides to the leftmost end, suction opening 31 is the complete closed state, valve plate 32 right-hand member is connected with baffle 33, the suction opening 31 outside is arranged in to baffle 33, baffle 33 one end is equipped with valve plate 32, and the other end is equipped with the guide bar, be equipped with the mounting panel on the heat preservation stove 3, the mounting panel is worn to establish in the guide bar slides, be equipped with on the mounting panel with baffle 33 matched with electro-magnet 34, be equipped with second spring 35 between mounting panel and baffle 33, second spring 35 cover is located on the guide bar and both ends are pushed up respectively and are leaned on baffle 33 and mounting panel.
The electromagnet 34 is connected with a slide rheostat 41, the slide rheostat 41 comprises a slide block 10, a coil 43 and a slide rod 44, the slide block 10 is arranged on the slide rod 44 in a sliding manner, the slide rod 44 and the coil 43 are arranged on two side brackets of the slide rheostat 41 in parallel, a contact piece 42 connected with the coil 43 is arranged on the slide block 10, a third spring 45 is arranged between the slide block 10 and the lower bracket of the slide rheostat 41, the third spring 45 is sleeved on the slide rod 44, two ends of the third spring respectively abut against the lower brackets of the slide block 10 and the slide rheostat 41, a first wiring port 101 connected with the electromagnet 34 is arranged on the slide block 44, a second wiring port 102 connected with the electromagnet 34 is arranged on the coil 43, the current flowing through the slide rheostat 41 flows from the first wiring port 101 through the slide block 10 and then flows out from the second wiring port 102 through the contact piece 42 and the lower half-section coil 43, and the stroke of the slide block 10 compressing the third spring 45 downwards is longer, the shorter the current passing through the coil 43, the larger the current passing through the electromagnet 34, the stronger the magnetic force of the electromagnet 34, and further, the electromagnet 34 attracts the baffle 33 to slide the valve plate 32 rightward to open the suction port 31.
6 below of auger conveyor is equipped with mixing box 7, mixing box 7 is located on revolving stage 11, 3 right sides of insulation can be equipped with revolving stage 11 matched with frame 12, revolving stage 11 rotates and locates on frame 12, revolving stage 11 below is equipped with first gear 14, frame 12 rotates and is equipped with second gear 15 with first gear 14 matched with, second gear 15 is connected with motor 13, motor 13 is located on frame 12, and motor 13 drives second gear 15 and further drives first gear 14 after rotating and makes revolving stage 11 rotate promptly.
The mixing box 7 is connected with the rotary table 11 through the weighing sensor 16, in order to complete the scheme, a certain amount of water needs to be added into the mixing box 7 mechanically or manually before the mixing box 7 is placed on the rotary table 11, then carbon powder is added into the mixing box 7 through the auger conveyor 6, the carbon powder and the water are mixed to form combustible coal water slurry, when the mixed mass of the added carbon powder and the water reaches a certain numerical value, the weighing sensor 16 controls the auger conveyor 6 to stop running through the PLC controller, and meanwhile, the motor 13 drives the rotary table 11 to rotate 180 degrees.
The bottom of the mixing box 7 is provided with a bleeder valve 8, the rotary table 11 is provided with a through hole matched with the bleeder valve 8, the bottom of the outer wall of the mixing box 7 is provided with a limit plate 21, the upper opening of the mixing box 7 is sleeved with a conducting ring 9, a first spring 22 is arranged between the conducting ring 9 and the limit plate 21, the outer wall of the mixing box 7 is sleeved with the first spring 22, two ends of the first spring 22 are respectively connected with the conducting ring 9 and the limit plate 21, the first spring 22 is preferably a soft plastic spring, the conducting ring 9 is preferably a copper sheet, the conducting ring 9 is provided with an opening 23, the opening 23 of the conducting ring 9 is positioned on one side far away from the center of the rotary table 11 when the mixing box 7 is placed on the rotary table 11, the opening 23 of the mixing box 7 is matched with the lower end of the sliding block 10 after the rotary table 11 rotates 180 degrees, the lower end of the sliding block 10 is provided with a copper sheet made of the same material as the conducting ring 9, and the sliding block 10 is matched with the opening 23 to form a closed ring, the drain valve 8 is connected with the conductive ring 9 through a power supply, namely after the slide block 10 is matched with the conductive ring 9, the drain valve 8 is electrified for draining.
A slidable floating ball 51 is arranged in the mixing box 7, a second magnet 47 is arranged on the floating ball 51, a guide rail 52 matched with the second magnet 47 is arranged on the inner wall of the mixing box 7, namely the floating ball 51 can slide on the guide rail 52 through the liquid level of the liquid in the mixing box 7, and the floating ball 51 is preferably arranged in the same direction with the opening 23.
The slider 10 is provided with a first magnet 46 matched with a second magnet 47, the mixing box 7 is preferably a thin-wall plastic barrel, the second magnet 47 is adsorbed to the first magnet 46 after the second magnet 47 rotates 180 degrees around the rotary table 11 in the mixing box 7, namely when the second magnet 47 is adsorbed to the first magnet 46, the floating ball 51 descends to drive the slider 10 to slide downwards to compress the third spring 45.
The incinerator 5 is provided with a material receiving port matched with the drain valve 8, an injection pump is arranged between the material receiving port and the incinerator 5, and the injection pump uniformly injects the coal water slurry discharged by the drain valve 8 into the incinerator 5 to be incinerated to heat the holding furnace 3.
The method for using the kiln waste gas treatment device comprises the following steps: carbon powder in the dust remover 4 is conveyed into a mixing box 7 through an auger conveyor 6, when the quality in the mixing box 7 reaches a set regulation, a weighing inductor 16 enables a rotary table 11 to rotate 180 degrees through a PLC trigger motor 13, a sliding block 10 enables a conducting ring 9 to be closed after the rotary table rotates, a discharge valve 8 discharges to enable an incinerator 5 to burn coal water slurry to heat a holding furnace 3, meanwhile, along with the reduction of the liquid level in the mixing box 7, a floating ball 51 slides downwards, a second magnet 47 on the floating ball 51 drives a first magnet 46 on the sliding block 10 to enable the sliding block 10 to slide downwards, the sliding block 10 slides downwards to compress a third spring 45, at the moment, the current passing through a sliding rheostat 41 is increased, the current of an electromagnet 34 connected with the sliding rheostat 41 is increased, the magnetic force of the electromagnet 34 is enhanced, a valve plate 32 slides towards the right side to enable the opening of an air suction port 31 to be enlarged, the temperature of the holding furnace 3 gradually reduces along with the sliding of the floating ball 51, namely, the holding furnace 3 achieves the effect of gradually reducing the temperature, so as to prevent the carbon brick from generating cracks during rapid temperature reduction.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a kiln exhaust treatment device, includes drying furnace (1), fritting furnace (2), heat preservation stove (3) and dust shaker (4), its characterized in that: holding furnace (3) are connected with burns burning furnace (5) for its provides the heat, be equipped with auger conveyor (6) of carrying the carbon-containing dust on dust shaker (4), auger conveyor (6) and burn and be equipped with mixing box (7) for burning furnace (5) and providing fuel between burning furnace (5), mixing box (7) are located on revolving stage (11), be equipped with on mixing box (7) and discharge valve (8) and with discharge valve (8) matched with conducting ring (9), holding furnace (4) one side is equipped with slider (10) that contact with conducting ring (9) after mixing box (7) rotates.
2. The kiln exhaust gas treatment device according to claim 1, characterized in that: revolving stage (11) rotate locate frame (12) on, be equipped with motor (13) on frame (12), be equipped with first gear (14) on revolving stage (11), be equipped with on motor (13) with first gear (14) matched with second gear (15).
3. The kiln exhaust gas treatment device according to claim 2, characterized in that: be equipped with inductor (16) of weighing between mixing box (7) and revolving stage (11), inductor (16) of weighing links to each other with auger conveyor (6) and motor (13) through the PLC controller.
4. The kiln exhaust gas treatment device according to claim 1, characterized in that: mixing box (7) bottom is equipped with limiting plate (21), conducting ring (9) cover is located on mixing box (7), the cover is equipped with first spring (22) on mixing box (7), limiting plate (21) and conducting ring (9) are leaned on respectively to first spring (22) both ends top, be equipped with opening (23) on conducting ring (9), slider (10) cooperatees with opening (23) and makes conducting ring (9) closed.
5. The kiln exhaust gas treatment device according to claim 1, characterized in that: be equipped with suction opening (31) on heat preservation stove (3), slide on suction opening (31) and be equipped with valve plate (32), be equipped with baffle (33) on valve plate (32), be equipped with on heat preservation stove (3) with baffle (33) matched with electro-magnet (34), be equipped with second spring (35) between baffle (33) and electro-magnet (34).
6. The kiln exhaust gas treatment device according to claim 5, wherein: a sliding rheostat (41) matched with the electromagnet (34) is arranged on one side of the heat preservation furnace (3), the sliding block (10) is arranged on the sliding rheostat (41), the sliding block (10) is connected with a contact piece (42), and the contact piece (42) is connected with the coil (43).
7. The kiln exhaust gas treatment device according to claim 6, characterized in that: the sliding block (10) is arranged on the sliding rod (44), a third spring (45) is arranged between the sliding block (10) and the sliding rheostat (41), and a first magnet (46) is arranged on the sliding block (10).
8. The kiln exhaust gas treatment device according to claim 7, characterized in that: a floating ball (51) and a guide rail (52) matched with the floating ball (51) are arranged in the mixing box (7), and a second magnet (47) matched with the first magnet (46) is arranged on the floating ball (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111445152.9A CN114061313B (en) | 2021-11-30 | 2021-11-30 | Kiln waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111445152.9A CN114061313B (en) | 2021-11-30 | 2021-11-30 | Kiln waste gas treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114061313A true CN114061313A (en) | 2022-02-18 |
| CN114061313B CN114061313B (en) | 2024-02-23 |
Family
ID=80277644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111445152.9A Active CN114061313B (en) | 2021-11-30 | 2021-11-30 | Kiln waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114061313B (en) |
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| JPH0757859A (en) * | 1993-08-11 | 1995-03-03 | Jiyuugo:Kk | High frequency induction heating incinerator, and incinerating method by frequency induction heating |
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| CN110843138A (en) * | 2019-11-06 | 2020-02-28 | 童友丹 | Make reinforced compounding device of muddy earth ration based on gravity changes |
| CN210773424U (en) * | 2019-10-29 | 2020-06-16 | 弋阳县宏田金属制品有限公司 | Novel superaudio heating furnace structure |
| CN112332279A (en) * | 2020-11-30 | 2021-02-05 | 钱南林 | Self-adaptive heat dissipation cleaning distribution box for railway power automation and use method thereof |
| CN112577311A (en) * | 2020-12-16 | 2021-03-30 | 湖北盛琪达工程科技有限公司 | Formula of criticizing circulation grain drier top cereal shedding mechanism of preventing moisture backward flow |
| CN113483554A (en) * | 2021-05-14 | 2021-10-08 | 中冶长天国际工程有限责任公司 | Drying device and drying method for lump ore for blast furnace concentrate |
| CN113513759A (en) * | 2021-04-25 | 2021-10-19 | 浙江宏电环保装备有限公司 | Waste incineration waste gas treatment equipment and use method thereof |
-
2021
- 2021-11-30 CN CN202111445152.9A patent/CN114061313B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0757859A (en) * | 1993-08-11 | 1995-03-03 | Jiyuugo:Kk | High frequency induction heating incinerator, and incinerating method by frequency induction heating |
| CN102829642A (en) * | 2012-09-24 | 2012-12-19 | 天津辰创环境工程科技有限责任公司 | Furnace dust incineration processing method of calcium carbid furnace |
| CN205815457U (en) * | 2016-07-22 | 2016-12-21 | 登封市少林耐火材料有限公司 | A kind of emission-control equipment of magnesia carbon brick electrical kiln |
| CN210773424U (en) * | 2019-10-29 | 2020-06-16 | 弋阳县宏田金属制品有限公司 | Novel superaudio heating furnace structure |
| CN110843138A (en) * | 2019-11-06 | 2020-02-28 | 童友丹 | Make reinforced compounding device of muddy earth ration based on gravity changes |
| CN112332279A (en) * | 2020-11-30 | 2021-02-05 | 钱南林 | Self-adaptive heat dissipation cleaning distribution box for railway power automation and use method thereof |
| CN112577311A (en) * | 2020-12-16 | 2021-03-30 | 湖北盛琪达工程科技有限公司 | Formula of criticizing circulation grain drier top cereal shedding mechanism of preventing moisture backward flow |
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| Publication number | Publication date |
|---|---|
| CN114061313B (en) | 2024-02-23 |
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