CN217698649U

CN217698649U - Hot stove flue gas dust removal SOx/NOx control device in ore deposit

Info

Publication number: CN217698649U
Application number: CN202221088644.7U
Authority: CN
Inventors: 刘应斌; 周华兵
Original assignee: Chengdu Zhuoyuesifang Environmental Technology Co ltd
Current assignee: Chengdu Zhuoyuesifang Environmental Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-11-01
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a hot stove flue gas dust removal SOx/NOx control device in ore deposit belongs to hot stove technical field in ore deposit, and its technical scheme main points include the base, the top fixedly connected with treatment tank of base, the top of treatment tank is provided with mixed subassembly, one side of treatment tank is provided with the dust removal subassembly, the top of base is provided with the liquid feeding subassembly, mixed subassembly includes motor, bull stick, first puddler, second puddler and baffle, the top fixedly connected with motor of treatment tank, the output fixedly connected with bull stick of motor, the outside difference first puddler of fixedly connected with and the second puddler of bull stick, the inner wall fixedly connected with baffle of treatment tank aims at having solved the current flue gas SOx/NOx control device for the hot stove in ore deposit and be difficult to thoroughly eliminate the solid tiny granule that contains in the flue gas to the general investment expense of current SOx/NOx control device is higher and the problem that running cost is high.

Description

Hot stove flue gas dust removal SOx/NOx control device in ore deposit

Technical Field

The utility model relates to a hot stove technical field in ore deposit, in particular to hot stove flue gas dust removal SOx/NOx control device in ore deposit.

Background

The submerged arc furnace is also called electric arc furnace or resistance electric furnace, it is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent, mainly produce ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicon-manganese alloy, etc., it is an important industrial raw material and chemical raw material such as calcium carbide, etc. in the metallurgical industry, the load of the submerged arc furnace transformer is continuous and stable, the impedance voltage is low, the voltage regulating stage number is more, the stage difference is smaller and the overload capacity is strong, it can be divided into two kinds of loaded and non-excited voltage regulating, the constant capacity output of the first several stages is general, and the constant current output of the last several stages.

The submerged arc furnace generates a large amount of flue gas in the smelting process, the flue gas is a mixture of gas and smoke dust and is a main reason for polluting atmosphere of residential areas, the components of the flue gas are complex, the gas comprises water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons, oxynitride and the like, the smoke dust comprises ash content, coal particles, oil drops, high-temperature cracking products and the like of fuel, so the pollution of the flue gas to the environment is composite pollution of various poisons, the harmfulness of the smoke dust to human bodies is related to the size of particles, most of the harm to the human bodies is floating dust with the diameter smaller than 10 micrometers, particularly the harmfulness of the floating dust with the diameter of 1-2.5 micrometers is the largest, the flue gas desulfurization and denitrification device for the existing submerged arc furnace is difficult to thoroughly eliminate solid fine particles contained in the flue gas, and the existing desulfurization and denitrification device is generally high in investment cost and operation cost, so the flue gas dedusting, and desulfurization and denitrification device for the submerged arc furnace is required to meet the demands of users.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit aims at solving the current hot stove of ore deposit and uses the flue gas SOx/NOx control device and is difficult to thoroughly eliminate the tiny granule of solid that contains in the flue gas to current SOx/NOx control device generally invests in the expense height, problem that the running cost is high.

The utility model discloses a realize like this, a hot stove flue gas dust removal SOx/NOx control device in ore deposit, the on-line screen storage device comprises a base, the top fixedly connected with processing jar of base, the top of processing jar is provided with hybrid module, one side of processing jar is provided with the dust removal subassembly, the top of base is provided with the liquid feeding subassembly.

In order to reach the purifying effect who improves the flue gas, as the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, mix the subassembly and include motor, bull stick, first puddler, second puddler and baffle, the top fixedly connected with motor of treatment tank, the output fixedly connected with bull stick of motor, the outside of bull stick is first puddler of fixedly connected with and second puddler respectively, the inner wall fixedly connected with baffle of treatment tank, the outside of bull stick rotates with the inner wall of baffle to be connected.

In order to reach the effect of carrying out filtration treatment to the flue gas, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the dust removal subassembly includes dust removal case, suction fan, rose box and first connecting pipe, the top fixedly connected with dust removal case of base, the inside of dust removal case is provided with the suction fan, one side of suction fan is provided with the rose box, one side intercommunication of rose box has first connecting pipe, the one end of first connecting pipe and the outside intercommunication of handling the jar.

In order to reach the effect of adding the processing jar with alkali lye, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the liquid feeding subassembly includes fixed case, water pump, lye tank, second communicating pipe and liquid feeding pipe, the fixed case of top fixedly connected with of base, the inside of fixed case is provided with the water pump, one side of water pump is provided with the lye tank, the drainage end intercommunication of water pump has second communicating pipe, the one end of second communicating pipe and the outside intercommunication of processing jar, the top intercommunication of lye tank has the liquid feeding pipe.

In order to reach the effect reinforced and discharge flue gas, as the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the top intercommunication of processing jar has the feeder hopper, one side of feeder hopper is provided with the outlet duct.

In order to reach the effect of discharging to the alkali lye after the use, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the outside intercommunication of processing jar has the delivery pipe, the through-hole has been seted up to the inside of baffle.

In order to reach the inside effect of convenient observation treatment tank, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the outside of handling the jar is provided with the observation window, the outside intercommunication of handling the jar has fixed pipe, the one end of fixed pipe is provided with sealed lid.

In order to reach the effect that improves flue gas treatment efficiency, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the convulsions end intercommunication of suction fan has the connecting pipe, the end intercommunication of airing exhaust of suction fan has the blast pipe, the one end of blast pipe and one side intercommunication of rose box.

In order to reach the effect of cleaing away tiny particulate matter in the flue gas, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the inside of rose box is provided with the filter, one side of filter is provided with first adsorption plate, one side of first adsorption plate is provided with the second adsorption plate.

In order to reach the effect of taking out alkali lye, conduct the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, it is preferred, the end intercommunication that draws water of water pump has the liquid suction pipe, the one end of liquid suction pipe and one side intercommunication of alkali lye case.

Compared with the prior art, the beneficial effects of the utility model are that:

this hot stove flue gas dust removal SOx/NOx control device in ore deposit, through setting up the base, top fixedly connected with treatment tank at the base, the top of treatment tank is provided with mixed subassembly, stir the mixture to flue gas and thick liquid, carry out abundant reaction to the flue gas and purify, the outside of treatment tank is connected with dust removal subassembly and liquid feeding subassembly respectively, the liquid feeding subassembly adds the thick liquid in the treatment tank, react the purification to the flue gas, the dust removal subassembly carries out filtration treatment to the flue gas, the fine granule of solid that current flue gas SOx/NOx control device for the hot stove in ore deposit is difficult to thoroughly eliminate the flue gas, and current SOx/NOx control device generally invests the expense height, the problem that the running cost is high.

Drawings

FIG. 1 is an overall structure diagram of the flue gas dedusting, desulfurizing and denitrifying device of the submerged arc furnace of the utility model;

FIG. 2 is a schematic structural diagram of the mixing assembly of the present invention;

FIG. 3 is a schematic structural view of the dust removing assembly of the present invention;

FIG. 4 is a schematic structural view of the liquid feeding assembly of the present invention;

fig. 5 is a schematic structural view of the filter box of the present invention.

In the figure, 1, a base; 2. a treatment tank; 3. a mixing assembly; 31. a motor; 32. a rotating rod; 33. a first stirring rod; 34. a second stirring rod; 35. a partition plate; 4. a dust removal assembly; 41. a dust removal box; 42. a suction fan; 43. a filter box; 44. a first communication pipe; 5. a liquid adding assembly; 51. a fixed box; 52. a water pump; 53. an alkaline liquid tank; 54. a second communicating pipe; 55. a liquid feeding pipe; 6. a feed hopper; 7. an air outlet pipe; 8. a discharge pipe; 9. a through hole; 10. an observation window; 11. fixing the tube; 12. a sealing cover; 13. a connecting pipe; 14. an exhaust pipe; 15. a filter plate; 16. a first adsorption plate; 17. a second adsorption plate; 18. a liquid pumping pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, includes base 1, base 1's top fixedly connected with treatment tank 2, and the top of treatment tank 2 is provided with mixed subassembly 3, and one side of treatment tank 2 is provided with dust removal subassembly 4, and base 1's top is provided with liquid feeding subassembly 5.

In this embodiment: through setting up base 1, at base 1's top fixedly connected with treatment tank 2, the top of treatment tank 2 is provided with mixing assembly 3, stirs the mixture to flue gas and thick liquid, carries out abundant reaction to the flue gas and purifies, and the outside of treatment tank 2 is connected with dust removal component 4 and liquid feeding subassembly 5 respectively, and liquid feeding subassembly 5 carries out reaction purification to the flue gas in adding treatment tank 2 with the thick liquid, and dust removal component 4 carries out filtration treatment to the flue gas.

As a technical optimization scheme of the utility model, mixing component 3 includes motor 31, bull stick 32, first puddler 33, second puddler 34 and baffle 35, the top fixedly connected with motor 31 of treatment jar 2, motor 31's output fixedly connected with bull stick 32, the outside of bull stick 32 is the first puddler 33 of fixedly connected with and second puddler 34 respectively, the inner wall fixedly connected with baffle 35 of treatment jar 2, the outside of bull stick 32 is connected with the inner wall rotation of baffle 35.

In this embodiment: the top fixedly connected with motor 31 of treatment tank 2, motor 31 drive bull stick 32 rotates, and bull stick 32 drives first puddler 33 and second puddler 34 and rotates, carries out intensive mixing to the inside flue gas of treatment tank 2 and thick liquid, makes the reaction more high-efficient and abundant.

As a technical optimization scheme of the utility model, dust removal component 4 includes dust removal case 41, suction fan 42, rose box 43 and first communicating pipe 44, and base 1's top fixedly connected with dust removal case 41, the inside of dust removal case 41 is provided with suction fan 42, and one side of suction fan 42 is provided with rose box 43, and one side intercommunication of rose box 43 has first communicating pipe 44, the one end of first communicating pipe 44 and the outside intercommunication of handling jar 2.

In this embodiment: the suction fan 42 sucks and discharges the flue gas into the filter box 43, the filter box 43 filters the flue gas, fine particles in the flue gas are effectively removed, and then the treated flue gas is discharged into the bottom of the inner cavity of the treatment tank 2 through the first communicating pipe 44 for purification treatment.

As a technical optimization scheme of the utility model, liquid feeding subassembly 5 is including fixed case 51, water pump 52, lye tank 53, second communicating pipe 54 and liquid feeding pipe 55, base 1's the fixed case 51 of top fixedly connected with, the inside of fixed case 51 is provided with water pump 52, one side of water pump 52 is provided with lye tank 53, the drain end intercommunication of water pump 52 has second communicating pipe 54, the one end of second communicating pipe 54 and the outside intercommunication of handling jar 2, lye tank 53's top intercommunication has liquid feeding pipe 55.

In this embodiment: the alkali liquor is added into the alkali liquor tank 53 through the liquid adding pipe 55, and then the alkali liquor is pumped in through the water pump 52 and is discharged into the bottom of the inner cavity of the treatment tank 2 through the second communicating pipe 54, so that the alkali liquor and the flue gas are mixed, and the flue gas is subjected to chemical reaction purification through the alkali liquor.

As a technical optimization scheme of the utility model, the top intercommunication of treatment tank 2 has feeder hopper 6, and one side of feeder hopper 6 is provided with outlet duct 7.

In this embodiment: add activated carbon through feeder hopper 6 inside the treatment tank 2, adsorb the purification to the flue gas, baffle 35 carries on spacingly to activated carbon, and outlet duct 7 discharges the flue gas after handling.

As a technical optimization scheme of the utility model, the outside intercommunication of handling jar 2 has delivery pipe 8, and through-hole 9 has been seted up to the inside of baffle 35.

In this embodiment: the discharge pipe 8 discharges the used alkali liquor, and the through hole 9 enables the flue gas to flow into the top from the bottom of the inner cavity of the treatment tank 2.

As a technical optimization scheme of the utility model, the outside of handling jar 2 is provided with observation window 10, and the outside intercommunication of handling jar 2 has fixed pipe 11, and the one end of fixed pipe 11 is provided with sealed lid 12.

In this embodiment: can observe the inside condition of treatment tank 2 at any time through observation window 10, the outside intercommunication of treatment tank 2 has fixed pipe 11, and fixed pipe 11 is located the top of baffle 35, clears up and changes the active carbon on the baffle 35 through opening sealed lid 12.

As a technical optimization scheme of the utility model, the end intercommunication of convulsions of suction fan 42 has connecting pipe 13, and the end intercommunication of airing exhaust of suction fan 42 has blast pipe 14, and the one end of blast pipe 14 communicates with one side of rose box 43.

In this embodiment: the exhaust end of the suction fan 42 is communicated with the connecting pipe 13, the connecting pipe 13 is connected with the flue gas pipeline, the flue gas is sucked by the suction fan 42 and is discharged into the filter box 43 through the exhaust pipe 14, and therefore the treatment efficiency of the flue gas is improved.

As a technical optimization scheme of the utility model, the inside of rose box 43 is provided with filter 15, and one side of filter 15 is provided with first adsorption plate 16, and one side of first adsorption plate 16 is provided with second adsorption plate 17.

In this embodiment: the flue gas entering the filter tank 43 is treated by the filter plate 15, the first adsorption plate 16 and the second adsorption plate 17, and impurities and dust in the flue gas are removed.

As a technical optimization scheme of the utility model, the end intercommunication that draws water of water pump 52 has liquid suction pipe 18, and one end and the one side intercommunication of lye tank 53 of liquid suction pipe 18.

In this embodiment: the alkali liquor in the alkali liquor box 53 is conveniently pumped out through the liquor pumping pipe 18, and the conveying efficiency of the alkali liquor is improved.

The working principle is as follows: when in use, the activated carbon is added into the treatment tank 2 through the feed hopper 6, the activated carbon falls on the top of the partition plate 35, then the water pump 52 is started through the external controller, the water pump 52 pumps the alkali liquor in the alkali liquor tank 53 through the liquor pumping pipe 18 and discharges the alkali liquor into the bottom of the inner cavity of the treatment tank 2 through the second communicating pipe 54, then the suction fan 42 is started, the suction fan 42 sucks the flue gas through the connecting pipe 13 and discharges the flue gas into the filter tank 43 through the exhaust pipe 14, and fine particles in the flue gas are removed through the filter plate 15, the first adsorption plate 16 and the second adsorption plate 17, then carry the bottom of 2 inner chambers of treatment tank through first communicating pipe 44 with the flue gas, make the flue gas carry out chemical reaction with alkali lye and purify, open motor 31 after that, motor 31 drives bull stick 32 and rotates, bull stick 32 drives first puddler 33 and second puddler 34 and rotates, first puddler 33 stirs activated carbon, second puddler 34 stirs flue gas and alkali lye, improve the purification treatment efficiency of flue gas, the flue gas after the purification passes through the inside through-hole 9 of baffle 35 and gets into the top of 2 inner chambers of treatment tank, activated carbon further adsorbs the purification to the flue gas, then the flue gas passes through outlet duct 7 and discharges the external world.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a hot stove flue gas dust removal SOx/NOx control device in ore deposit, includes base (1), its characterized in that: the utility model discloses a dust removal device, including base (1), the top fixedly connected with treatment tank (2) of base (1), the top of treatment tank (2) is provided with mixed subassembly (3), one side of treatment tank (2) is provided with dust removal subassembly (4), the top of base (1) is provided with liquid feeding subassembly (5), mixed subassembly (3) are including motor (31), bull stick (32), first puddler (33), second puddler (34) and baffle (35), the top fixedly connected with motor (31) of treatment tank (2), the output fixedly connected with bull stick (32) of motor (31), the outside difference first puddler of fixedly connected with (33) and second puddler (34) of bull stick (32), the inner wall fixedly connected with baffle (35) of treatment tank (2), the outside of bull stick (32) is connected with the inner wall rotation of baffle (35), dust removal subassembly (4) are including dust removal case (41), suction fan (42), rose box (43) and first connecting pipe (44), the top fixedly connected with of base (1), the inside fixedly connected with rose box (41) of dust removal case (41), the inside of suction fan (41) is provided with first connecting pipe (43), the rose box (43) of dust removal case (42), the one side of suction fan (42) is provided with first connecting pipe (43), one end of the first communicating pipe (44) is communicated with the outer side of the processing tank (2).

2. The submerged arc furnace flue gas dedusting, desulfurizing and denitrifying device according to claim 1, which is characterized in that: liquid feeding subassembly (5) are including fixed case (51), water pump (52), lye tank (53), second communicating pipe (54) and liquid feeding pipe (55), the fixed case (51) of top fixedly connected with of base (1), the inside of fixed case (51) is provided with water pump (52), one side of water pump (52) is provided with lye tank (53), the drainage end intercommunication of water pump (52) has second communicating pipe (54), the one end of second communicating pipe (54) and the outside intercommunication of handling jar (2), the top intercommunication of lye tank (53) has liquid feeding pipe (55).

3. The submerged arc furnace flue gas dedusting, desulfurizing and denitrifying device according to claim 1, which is characterized in that: the top of the treatment tank (2) is communicated with a feed hopper (6), and one side of the feed hopper (6) is provided with an air outlet pipe (7).

4. The submerged arc furnace flue gas dedusting, desulfurizing and denitrating device according to claim 2, characterized in that: the outer side of the treatment tank (2) is communicated with a discharge pipe (8), and a through hole (9) is formed in the partition plate (35).

5. The submerged arc furnace flue gas dedusting, desulfurizing and denitrating device according to claim 1, characterized in that: the outside of handling jar (2) is provided with observation window (10), the outside intercommunication of handling jar (2) has fixed pipe (11), the one end of fixed pipe (11) is provided with sealed lid (12).

6. The submerged arc furnace flue gas dedusting, desulfurizing and denitrating device according to claim 3, characterized in that: the air suction end of the suction fan (42) is communicated with the connecting pipe (13), the air exhaust end of the suction fan (42) is communicated with the exhaust pipe (14), and one end of the exhaust pipe (14) is communicated with one side of the filter box (43).

7. The submerged arc furnace flue gas dedusting, desulfurizing and denitrating device according to claim 3, characterized in that: the filter box is characterized in that a filter plate (15) is arranged inside the filter box (43), a first adsorption plate (16) is arranged on one side of the filter plate (15), and a second adsorption plate (17) is arranged on one side of the first adsorption plate (16).

8. The submerged arc furnace flue gas dedusting, desulfurizing and denitrating device according to claim 4, characterized in that: the water pumping end of the water pump (52) is communicated with a liquid pumping pipe (18), and one end of the liquid pumping pipe (18) is communicated with one side of an alkaline liquid tank (53).