CN211876781U

CN211876781U - Ultralow discharge device of sintering blendor flue gas

Info

Publication number: CN211876781U
Application number: CN202020552717.8U
Authority: CN
Inventors: 孙洁; 张瑞新; 郝立强
Original assignee: Kemeirui Tangshan Environmental Protection Technology Co ltd
Current assignee: Kemeirui Tangshan Environmental Protection Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-06
Anticipated expiration: 2030-04-15

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to an ultralow flue gas discharge device of a sintering mixer, which can effectively reduce the discharge of flue gas, greatly reduce the energy consumption, effectively improve the desulfurization efficiency and reduce the use limitation; including the sintering case, the desulfurizing tower, the air exhauster, high-pressure pump and feed liquor pipeline, the inside of sintering case is provided with the sintering chamber, the rear end of sintering case is provided with the sealing door, the internal fixation of sintering case sintering is provided with the sintering material platform, the inside of desulfurizing tower is provided with the reaction chamber, be provided with the bottom plate on the circumference outer wall of desulfurizing tower bottom, the bottom of bottom plate is provided with four groups of supporting legs, all be provided with the crossbeam on four groups of supporting legs, the right-hand member of sintering case is provided with the exhaust chimney, the output of high-pressure pump passes through the reaction chamber intercommunication of feed liquor pipeline with the desulfurizing tower, spray set is through the reaction intracavity with the intercommunication.

Description

Ultralow discharge device of sintering blendor flue gas

Technical Field

The utility model relates to a technical field of environmental protection equipment especially relates to an ultralow discharging equipment of sintering blendor flue gas.

Background

The sintering blender mixer is mainly used for sintering operation of a large-scale ferrous metallurgy sintering plant, and is main equipment in the air draft sintering process, different components, concentrate powder with different granularities and rich mineral powder are sintered into blocks, harmful impurities such as sulfur and the like contained in ores are partially eliminated, smoke generated by sintering the ore contains more sulfides and nitrates, desulfurization and denitrification treatment are needed in the discharging process, but the existing discharging device is found in the working process, the smoke discharge amount is larger, the energy consumption is more serious, the desulfurization efficiency is lower, and the use limitation is higher

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can effectively reduce the emission of flue gas, the consumption of greatly reduced energy effectively improves desulfurization efficiency, reduces the ultralow discharging equipment of sintering blendor flue gas of use limitation.

The utility model discloses an ultralow emission device of sintering blendor flue gas, including sintering box, the desulfurizing tower, the air exhauster, high-pressure pump and feed liquor pipeline, the inside of sintering box is provided with the sintering chamber, the rear end of sintering box is provided with the sealing door, the fixed sintering material platform that is provided with in the sintering chamber of sintering box, the inside of desulfurizing tower is provided with the reaction chamber, be provided with the bottom plate on the circumference outer wall of desulfurizing tower bottom, the bottom of bottom plate is provided with four groups of supporting legs, all be provided with the crossbeam on four groups of supporting legs, the left end of desulfurizing tower is provided with the fixed plate, the air exhauster is fixed mounting on the fixed plate, the input end of air exhauster is provided with the flue, the output end of air exhauster is provided with the intake pipe, and the input end of air exhauster is communicated with the sintering chamber of sintering box through the flue, the output end of air exhauster is communicated, the bottom of sintering case is provided with the leakage fluid dram, is provided with the flowing back valve on the leakage fluid dram, and the right-hand member of sintering case is provided with the exhaust chimney, and the output of high-pressure pump passes through the reaction chamber intercommunication of feed liquor pipeline and desulfurizing tower, and spray set is through the intercommunication fixed mounting in the reaction chamber of sintering case with the feed liquor pipeline output.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas, circulating device includes circulating fan, circulation exhaust column and circulation air-supply line, and circulating fan fixed mounting is on the top of sintering case, and circulating fan's input passes through circulation exhaust column and flue intercommunication, and circulating fan's output passes through the sintering room intercommunication of circulation air-supply line and sintering case.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas, spray set includes the spray tray, and the intercommunication fixed mounting that the spray tray passes through input and feed liquor pipeline output is provided with multiunit atomizer in the reaction intracavity of desulfurizing tower in the spray tray.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes the defroster, and defroster fixed mounting is in the reaction intracavity of desulfurizing tower.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes the drying cylinder, detachable fixed seal is provided with the drying cylinder on the flue.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes the observation window, and the front end of sintering case is provided with the viewing aperture, and the sealed fixed observation of installing in sintering case front end of observation window is in.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes the chimney lid, and the chimney is covered and is provided with two sets of connecting rods, and the chimney lid is through two sets of connecting rod fixed mounting on the top of exhaust chimney.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes two sets of reinforcing plates, the equal fixed mounting of two sets of reinforcing plates in the bottom of fixed plate to the right-hand member of two sets of reinforcing plates all with the circumference wall connection of desulfurizing tower.

Compared with the prior art, the beneficial effects of the utility model are that: the exhaust fan is started to suck flue gas into a reaction cavity of the desulfurizing tower from a sintering chamber of the sintering box through the flue, a circulating device is started to enable part of the flue gas to enter the sintering chamber again for circulating sintering, the high-pressure pump is started to enable reaction liquid to enter a spraying device through a liquid inlet pipeline, the spraying device atomizes and sprays the reaction liquid, the atomized solution is enabled to be in full contact reaction with the flue gas, treated gas is discharged through an exhaust chimney, waste liquid after reaction can flow into the next procedure through opening a liquid discharge valve, the discharge amount of the flue gas can be obviously reduced through circulating sintering of the flue gas, part of heat of the sintering flue gas in the circulating sintering process can be recycled, energy consumption is greatly reduced, part of dust in the circulating flue gas can be adsorbed and retained in a sintering material layer, sulfides can be enriched, and the desulfurizing efficiency can be improved, in addition, the atomized reaction liquid increases the contact area with the flue gas, thereby further improving the desulfurization efficiency and reducing the use limitation.

Drawings

Fig. 1 is a front schematic view of the present invention;

fig. 2 is a schematic view of the structure of the present invention in partial section;

fig. 3 is a schematic view of the underside of the spray plate of the present invention;

in the drawings, the reference numbers: 1. sintering box; 2. sintering the material platform; 3. a desulfurizing tower; 4. a base plate; 5. supporting legs; 6. a cross beam; 7. a fixing plate; 8. an exhaust fan; 9. a flue; 10. an air inlet pipe; 11. a drain valve; 12. an exhaust stack; 13. a high pressure pump; 14. a liquid inlet pipeline; 15. a circulating fan; 16. a circulating exhaust pipe; 17. a circulating air inlet pipe; 18. spraying a disc; 19. an atomizing spray head; 20. a demister; 21. a drying cylinder; 22. an observation window; 23. a chimney cover; 24. a connecting rod; 25. a reinforcing plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 3, the ultra-low flue gas discharge device of a sintering mixer of the utility model comprises a sintering box 1, a desulfurizing tower 3, an exhaust fan 8, a high-pressure pump 13 and a liquid inlet pipeline 14, wherein the sintering chamber is arranged inside the sintering box 1, a sealing door is arranged at the rear end of the sintering box 1, a sintering material table 2 is fixedly arranged in the sintering chamber of the sintering box 1, a reaction chamber is arranged inside the desulfurizing tower 3, a bottom plate 4 is arranged on the circumferential outer wall at the bottom end of the desulfurizing tower 3, four groups of supporting legs 5 are arranged at the bottom end of the bottom plate 4, cross beams 6 are respectively arranged on the four groups of supporting legs 5, a fixing plate 7 is arranged at the left end of the desulfurizing tower 3, the exhaust fan 8 is fixedly arranged on the fixing plate 7, a flue 9 is arranged at the input end of the exhaust fan 8, an air inlet pipe 10 is arranged, the output end of the exhaust fan 8 is communicated with the reaction cavity of the desulfurizing tower 3 through an air inlet pipe 10, the circulating device is fixedly installed at the top end of the sintering box 1 through the communication between the flue 9 and the sintering chamber of the sintering box 1, the bottom end of the sintering box 1 is provided with a liquid outlet, a liquid outlet valve 11 is arranged on the liquid outlet, the right end of the sintering box 1 is provided with an exhaust chimney 12, the output end of a high-pressure pump 13 is communicated with the reaction cavity of the desulfurizing tower 3 through a liquid inlet pipeline 14, and the spraying device is fixedly installed in the reaction cavity of the sintering box 1 through the communication between the output end of; the exhaust fan 8 is started to suck flue gas into a reaction cavity of the desulfurizing tower 3 from a sintering chamber of the sintering box 1 through the flue 9, a circulating device is started to enable part of the flue gas to enter the sintering chamber again for circulating sintering, the high-pressure pump 13 is started to enable reaction liquid to enter a spraying device through a liquid inlet pipeline 14, the reaction liquid is sprayed out in an atomizing mode through the spraying device, the atomizing solution is in full contact reaction with the flue gas, the treated gas is discharged through an exhaust chimney 12, the waste liquid after reaction can flow into the next process by opening a liquid discharge valve 11, the discharge amount of the flue gas can be obviously reduced by circulating sintering the flue gas, part of heat of the sintering flue gas in the circulating sintering process can be recycled, the energy consumption is greatly reduced, part of dust in the circulating flue gas can be adsorbed and retained in a sintering material layer, and sulfides are enriched, the desulfurization efficiency is improved, and in addition, the contact area of the atomized reaction liquid and the flue gas is increased, so that the desulfurization efficiency is further improved, and the use limitation is reduced.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas, circulating device includes circulating fan 15, circulation exhaust column 16 and circulation air-supply line 17, and circulating fan 15 is fixed mounting on the top of sintering case 1, and circulating fan 15's input communicates with flue 9 through circulation exhaust column 16, and circulating fan 15's output communicates with the sintering chamber of sintering case 1 through circulation air-supply line 17; through starting circulating fan 15, make the flue gas of flue 9 internal portion enter into the sintering chamber of sintering case 1 through circulation exhaust column 16 and circulation air-supply line 17 in, circulate the sintering to obviously reduce the emission of waste gas, can effectively reduce SOx/NOx control device's investment and running cost, reduce and use the limitation.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas, spray set includes spray tray 18, spray tray 18 is fixedly installed in the reaction chamber of desulfurizing tower 3 through the intercommunication of input and 14 output ends of feed liquor pipeline, the bottom of spray tray 18 is provided with multiunit atomizer 19; reaction liquid enters the spraying disc 18 through the liquid inlet pipeline 14 to be atomized, and then is sprayed out after being atomized through the atomizing nozzle 19, so that the contact area of the solution and flue gas is increased, the desulfurization efficiency is effectively improved, and the use limitation is reduced.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes defroster 20, defroster 20 is fixedly installed in the reaction chamber of desulfurizing tower 3; through setting up defroster 20, can absorb the atomizing solution of mix in the flue gas, make the flue gas obtain the drying, prevent that atomizing vulcanization solution from discharging along with the flue gas, reduce the use limitation.

The utility model discloses an ultralow emission device of sintering blendor flue gas, still include the drying cylinder 21, the detachable fixed seal is provided with the drying cylinder 21 on the flue 9; through setting up drying cylinder 21, the inside of drying cylinder 21 is covered with the active carbon adsorbent, can make the flue gas carry out preliminary dry adsorption treatment after, reentrant desulfurizing tower 3's reaction chamber improves desulfurization efficiency, reduces and uses the limitation.

The utility model discloses a sintering blendor flue gas ultra-low emission device, still include observation window 22, the front end of sintering case 1 is provided with the viewing aperture, observation window 22 is sealed and fixed and is installed in the viewing aperture of sintering case 1 front end; through setting up observation window 22, can conveniently observe the inside sintering condition of sintering case 1, be convenient for in time make the adjustment, reduce and use the limitation.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes chimney lid 23, is provided with two sets of connecting rods 24 on the chimney lid 23, and chimney lid 23 is fixedly installed on the top of exhaust chimney 12 through two sets of connecting rods 24; through setting up chimney lid 23, can make the flue gas emission after handling more gentle, improve the reliability of use.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas still includes two sets of reinforcing plates 25, and two sets of reinforcing plates 25 are all fixedly installed in the bottom of fixed plate 7, and the right-hand member of two sets of reinforcing plates 25 all is connected with the circumference outer wall of desulfurizing tower 3; through setting up reinforcing plate 25, can make fixed plate 7 more firm with being connected of desulfurizing tower 3, make the operation of air exhauster 8 more steady, improve the reliability in utilization.

The utility model discloses an ultralow discharging equipment of sintering blendor flue gas, it is at the during operation, at first start air exhauster 8, make the flue gas follow the sintering chamber of sintering case 1 in inhaling the reaction chamber of desulfurizing tower 3 through flue 9, through starting circulating fan 15, make the flue gas of flue 9 inside parts enter into the sintering chamber of sintering case 1 through circulation exhaust column 16 and circulation air-supply line 17, the sintering circulates, through starting high-pressure pump 13, make the reaction liquid enter into spray tray 18 through feed liquor pipeline 14, rethread atomizer 19 is with reaction liquid atomizing blowout, make atomizing solution and flue gas fully contact reaction, the gas after the processing passes through behind defroster 20 defogging and discharges through exhaust stack 12, liquid discharge valve 11 inflow processing procedures are opened to the waste liquid accessible after the reaction, thereby reach the purpose of ultralow emission.

The ultra-low smoke discharge device for the sintering mixer has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the device can be implemented as long as the beneficial effects are achieved; the utility model discloses an air exhauster, high-pressure pump and circulating fan of sintering blendor flue gas ultralow discharging equipment are purchase on the market, and this industry technical staff only need according to its subsidiary instructions install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A sintering mixer flue gas ultralow emission device is characterized by comprising a sintering box (1), a desulfurizing tower (3), an exhaust fan (8), a high-pressure pump (13) and a liquid inlet pipeline (14), wherein a sintering chamber is arranged inside the sintering box (1), a sealing door is arranged at the rear end of the sintering box (1), a sintering material table (2) is fixedly arranged in the sintering chamber of the sintering box (1), a reaction chamber is arranged inside the desulfurizing tower (3), a bottom plate (4) is arranged on the outer wall of the circumference at the bottom end of the desulfurizing tower (3), four groups of supporting legs (5) are arranged at the bottom end of the bottom plate (4), cross beams (6) are arranged on the four groups of supporting legs (5), a fixing plate (7) is arranged at the left end of the desulfurizing tower (3), the exhaust fan (8) is fixedly arranged on the fixing plate (7), a flue (9) is arranged at the input end of the exhaust fan (8), and, and the input of air exhauster (8) passes through the sintering chamber intercommunication of flue (9) and sintering case (1), the output of air exhauster (8) passes through the reaction chamber intercommunication of intake pipe (10) and desulfurizing tower (3), circulating device is through the top with the intercommunication fixed mounting of flue (9) and sintering case (1) sintering chamber in sintering case (1), the bottom of sintering case (1) is provided with the leakage fluid dram, be provided with flowing back valve (11) on the leakage fluid dram, the right-hand member of sintering case (1) is provided with exhaust chimney (12), the output of high-pressure pump (13) passes through the reaction chamber intercommunication of inlet fluid pipeline (14) and desulfurizing tower (3), spray set is through the reaction intracavity with the intercommunication fixed mounting of inlet fluid pipeline (14) output in sintering case (1).

2. The ultra-low smoke emission device of the sintering mixer as claimed in claim 1, wherein the circulating device comprises a circulating fan (15), a circulating exhaust pipe (16) and a circulating air inlet pipe (17), the circulating fan (15) is fixedly arranged at the top end of the sintering box (1), the input end of the circulating fan (15) is communicated with the flue (9) through the circulating exhaust pipe (16), and the output end of the circulating fan (15) is communicated with the sintering chamber of the sintering box (1) through the circulating air inlet pipe (17).

3. The ultra-low emission device for flue gas of the sintering and mixing machine as claimed in claim 2, wherein the spraying device comprises a spraying disc (18), the spraying disc (18) is fixedly installed in the reaction cavity of the desulfurizing tower (3) through the communication between the input end and the output end of the liquid inlet pipeline (14), and the bottom end of the spraying disc (18) is provided with a plurality of groups of atomizing nozzles (19).

4. The ultralow flue gas emission device of the sintering and mixing machine as set forth in claim 3, further comprising a demister (20), wherein the demister (20) is fixedly installed in the reaction chamber of the desulfurization tower (3).

5. The ultra-low fume emission device for the sintering and mixing machine as claimed in claim 4, characterized in that, it further comprises a drying cylinder (21), and the drying cylinder (21) is detachably, fixedly and hermetically arranged on the flue (9).

6. The ultralow flue gas emission device of the sintering and mixing machine as claimed in claim 5, further comprising an observation window (22), wherein the front end of the sintering box (1) is provided with an observation port, and the observation window (22) is hermetically and fixedly arranged in the observation port at the front end of the sintering box (1).

7. The ultra-low smoke emission device of the sintering and mixing machine as claimed in claim 6, further comprising a chimney cover (23), wherein two sets of connecting rods (24) are arranged on the chimney cover (23), and the chimney cover (23) is fixedly installed on the top end of the exhaust chimney (12) through the two sets of connecting rods (24).

8. The ultra-low fume emission device for the sintering and mixing machine as claimed in claim 7, characterized in that it further comprises two sets of reinforcing plates (25), wherein the two sets of reinforcing plates (25) are fixedly installed at the bottom end of the fixed plate (7), and the right ends of the two sets of reinforcing plates (25) are connected with the circumferential outer wall of the desulfurizing tower (3).