CN220257642U - Desulfurization atomizing device for cement production - Google Patents

Abstract

The utility model discloses a desulfurization atomizing device for cement production, which relates to the technical field of cement production desulfurization and comprises a box body, a scraping unit for clearing out sediment, a mixing unit, a passing unit for discharging sulfur gas in raw materials and an atomizing unit; an opening cylinder for containing reaction sediments is arranged at one side of the inside of the box body, and a waste collection hopper communicated with the rear side of the lower end of the opening cylinder is arranged at the lower end of the opening cylinder; the scraping unit comprises a rotating shaft rotating at the inner center of the opening cylinder, the front end of the rotating shaft extending out of the box body is matched with the motor, a first screw plate and a second screw plate are respectively arranged on the rotating shaft, and the screw directions of the first screw plate and the second screw plate are opposite; according to the utility model, the first screw plate and the second screw plate are rotated to clean sulfur-containing sediments, the first screw plate is self-cleaned by the wiping column, the cleaning effect is better, meanwhile, the rotating stirring rod can scatter sulfur-containing waste gas, the desulfurization mixing effect is improved, and the desulfurization is more efficient.

Description

Desulfurization atomizing device for cement production

Technical Field

The utility model relates to the technical field of cement production desulfurization, in particular to a desulfurization atomizing device for cement production.

Background

Cement is a powdery hydraulic inorganic cementing material. The water is added and stirred to form slurry, which can be hardened in air or water and firmly bond sand, stone and other materials together. The silicate cement is produced with limestone and clay as main material and through crushing, compounding, grinding to obtain raw material, calcining in cement kiln, and grinding with proper amount of gypsum (mixed material or additive may be added). In the calcination process, sulfur-containing flue gas is generated, which belongs to harmful gas, and no method is adopted to directly discharge the sulfur-containing flue gas into the atmosphere, so that the sulfur-containing flue gas needs to be treated, and sulfur-containing precipitate is generated in the desulfurization process.

The patent publication No. CN216171353U discloses a desulfurization atomizer for cement manufacture among the prior art, including the desulfurization case, the bottom of desulfurization incasement wall is equipped with the air inlet, desulfurization case bottom is equipped with the air inlet mechanism who uses with the air inlet cooperation, desulfurization incasement portion is equipped with scrapes material mechanism, one side of desulfurization incasement wall is equipped with overflows the return mouth, one side that the desulfurization case is close to overflows the return mouth is equipped with feed liquor mechanism, one side that the overflow return mouth was kept away from to desulfurization incasement wall is equipped with the bin outlet, one side that the desulfurization case is close to the bin outlet is equipped with the storage tank, desulfurization case top is equipped with exhaust valve, the top of desulfurization incasement wall is equipped with the feed liquor mouth.

Above-mentioned mainly scrapes out the deposit that will contain sulphur from the box bottom through the removal of scraper blade in scraping the material mechanism, when scraping out the deposit that contains sulphur, when scraping out the cleanliness is not enough reciprocal scraping, the scraper blade or scrape the deposit into the box bottom once more, and the deposit cleaning effect that contains sulphur is relatively poor, and follow-up or need modes such as manual work to clean the scraper blade, holistic cleaning effect is relatively poor.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a desulfurization atomizing apparatus for cement production.

The utility model realizes the above purpose through the following technical scheme:

the desulfurization atomizing device for cement production comprises a box body, a scraping unit for clearing out sediment, a mixing unit, a passing unit for discharging sulfur gas in raw materials and an atomizing unit;

the box body comprises: an opening cylinder for containing reaction sediments is arranged at one side of the interior, and a waste collection bucket communicated with the rear side of the lower end of the opening cylinder is arranged at the lower end of the opening cylinder; after the atomization desulfurization is completed, the generated sulfur-containing sediment is deposited in the opening cylinder, and after the operation is completed, the lower end of the waste collection hopper can be opened to discharge the sulfur-containing sediment.

Scraping unit: the cleaning device comprises a rotating shaft which rotates at the inner center of an opening cylinder, the front end of the rotating shaft extends out of the box body to be matched with a motor, the rotating shaft is provided with a first threaded plate and a second threaded plate which rotate anticlockwise in the opening cylinder when the motor works, the rotating shaft is respectively provided with the first threaded plate and the second threaded plate, the first threaded plate and the second threaded plate are opposite in spiral direction, the length of the first threaded plate is shorter than that of the second threaded plate, the anticlockwise rotating first threaded plate can scrape sulfur-containing sediments adhered to the inner wall of the opening cylinder during atomization desulfurization into a waste collection hopper to be collected, the lower side of the inner part of the opening cylinder is provided with a guide groove, the guide groove is in sliding connection with a wiping column for cleaning the first threaded plate, the first threaded plate can carry the wiping column to the rear side from the front side position under the guide groove in the guide of the process of scraping sulfur-containing sediments, the first threaded plate can be cleaned by utilizing the first threaded plate to the first threaded plate when the first threaded plate is in the process of the column moving bristle, and the first threaded plate can be cleaned by the first threaded plate and the second threaded plate is in the process of being far away from the first threaded plate when the first threaded plate is in the process of the first threaded plate and the first threaded plate is in the same distance from the first threaded plate; the mixing unit works during rotation of the first screw plate and the second screw plate.

And a material passing unit: the box body is arranged at the lower end of the interior of the box body;

an atomization unit: is arranged at the upper end of the inside of the box body.

Further, the mixing unit comprises a stirring seat, a stirring shaft parallel to the rotating shaft is rotationally connected to the stirring seat, a paste wheel is arranged on the stirring shaft, and stirring rods are arranged on the circumference of the paste wheel at equal intervals. When the first thread plate and the second thread plate rotate, the circumference of the pasting wheel is rotatable in contact with the inner wall of the opening cylinder, and the stirring rod can be driven to rotate under the guide of the stirring shaft, so that the sulfur-containing waste gas can be scattered due to continuous rotation of inertia when the opening cylinder is not contacted with the stirring rod.

Further, the material passing unit comprises a feeding barrel, an accelerating shaft is rotationally connected to the feeding barrel, a third threaded plate is rotationally connected to the feeding barrel, and the accelerating shaft and the third threaded plate are respectively connected with two output ends of the differential mechanism. When the differential mechanism works, the accelerating shaft rotates fast, the third threaded plate rotates relatively slowly, the third threaded plate conveys calcined cement raw materials, and the stirring column on the accelerating shaft can break up the cement raw materials, so that sulfur-containing waste gas mixed in the accelerating shaft is fully discharged.

Further, the atomizing unit comprises a plurality of atomizing nozzles, a transfer groove is formed in the upper end of the inside of the box body, and the transfer groove is communicated with the atomizing nozzles. After the desulfurizing agent with certain pressure is introduced into the transfer tank, the desulfurizing agent can be sprayed out from the atomizing nozzle, so that the desulfurizing agent and the sulfur-containing waste gas are fully contacted for carrying out mixed reaction, and desulfurization is carried out.

Further, the atomization unit further comprises a liquid pump arranged at the upper end of the box body, a liquid storage box is arranged at the other side of the inner part of the box body, a pump inlet of the liquid pump is communicated with the lower end of the inner part of the liquid storage box through a first connecting pipe, and a pump outlet of the liquid pump is communicated with the transfer groove through a second connecting pipe. When the liquid pump works, the desulfurizing agent in the liquid storage tank can be pumped out and conveyed into the transfer tank.

Further, the upper end of the feeding barrel is provided with an exhaust hopper, the upper side of one end of the feeding barrel is provided with a raw material inlet pipe, and the lower side of the other end of the feeding barrel is provided with a raw material outlet pipe. The sulfur-containing flue gas or the calcined cement raw material can be added from a raw material inlet pipe at one side of the feeding cylinder, turned in the conveying process, and discharged out of the sulfur-containing waste gas for desulfurization.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the sulfur-containing precipitate adhered to the inner wall of the opening cylinder can be continuously scraped into the waste collection hopper for collection by the first threaded plate, and the first threaded plate can be cleaned by the movement of the wiping column, so that the self-cleaning effect is better.

2. According to the utility model, the second thread plate rotates to reset the wiping column, and the bristles at the circumference of the wiping column can be used for further cleaning the inner wall of the opening cylinder, so that the effect of cleaning sulfur-containing sediments is further improved.

3. According to the utility model, when the first thread plate and the second thread plate rotate, the attaching wheel is rotatable in contact with the inner wall of the opening cylinder, and after the attaching wheel is separated from the opening cylinder, the stirring rod can break up sulfur-containing waste gas due to continuous rotation of inertia, so that the effect of mixing the waste gas with the atomized desulfurizing agent is further improved, and the desulfurization is more efficient.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall front side structure of a desulfurization atomizing device for cement production according to the present utility model;

FIG. 2 is a schematic diagram showing a front cross-sectional structure of a desulfurization atomizing apparatus for cement production according to the present utility model;

FIG. 3 is a schematic view of the right side cross-sectional structure of a desulfurization atomizing device for cement production according to the present utility model;

FIG. 4 is a schematic structural view of a first screw plate and wiping column matched with a whole of the desulfurization atomizing device for cement production;

FIG. 5 is a schematic structural view of a mating portion of a first screw plate and a wiping column of a desulfurization atomizing device for cement production according to the present utility model;

FIG. 6 is a schematic diagram of the structure of the second screw plate and wiping column of the desulfurization atomizing device for cement production in the utility model;

FIG. 7 is a schematic structural view of a mating portion of a second screw plate and a wiping column of a desulfurization atomizing device for cement production according to the present utility model;

FIG. 8 is a schematic diagram of the overall cooperation structure of the rear side of the wiping column of the desulfurization atomizing device for cement production;

FIG. 9 is a schematic view of the structure of the desulfurization atomizing device for cement production, wherein the structure is matched with the rear side part of a wiping column;

FIG. 10 is a schematic view of a part of a stirring seat of a desulfurization atomizing device for cement production according to the present utility model;

FIG. 11 is a schematic diagram showing the structure of the acceleration shaft part of the desulfurization atomizing device for cement production according to the present utility model.

The reference numerals are explained as follows:

1. a case; 2. an opening cylinder; 3. a waste collection hopper; 4. a rotating shaft; 5. a motor; 6. a first thread plate; 7. a second thread plate; 8. a guide groove; 9. wiping the column; 10. a stirring seat; 11. a stirring shaft; 12. a wheel is attached; 13. a stirring rod; 14. a feed cylinder; 15. an acceleration shaft; 16. a third thread plate; 17. a differential mechanism; 18. an atomizing nozzle; 19. and (5) a liquid pump.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

example 1

As shown in fig. 1 to 11, a desulfurization and atomization device for cement production comprises a box body 1, a scraping unit for cleaning sediment, a mixing unit, a passing unit for discharging sulfur gas in raw materials and an atomization unit;

case 1: an opening cylinder 2 for containing reaction sediments is arranged at one side of the interior, and a waste collection bucket 3 communicated with the rear side of the lower end of the opening cylinder 2 is arranged at the lower end of the opening cylinder 2; as shown in fig. 2, after the atomization desulfurization is completed, the generated sulfur-containing precipitate is deposited in the open cylinder 2, and after the operation is completed, the lower end of the waste collection hopper 3 can be opened to discharge the sulfur-containing precipitate.

Scraping unit: the device comprises a rotating shaft 4 rotating at the center of a circle in an opening cylinder 2, the front end of the rotating shaft 4 extending out of a box body 1 is matched with a motor 5, as shown in figures 2 and 3, when the motor 5 works, the rotating shaft 4 drives a first screw plate 6 and a second screw plate 7 to rotate anticlockwise in the opening cylinder 2, the rotating shaft 4 is respectively provided with the first screw plate 6 and the second screw plate 7, the first screw plate 6 and the second screw plate 7 are opposite in screw direction, the length of the first screw plate 6 is shorter than that of the second screw plate 7, as shown in figure 3, the anticlockwise rotating first screw plate 6 can scrape sulfur-containing sediment adhered on the inner wall of the opening cylinder 2 during atomization desulfurization into a waste collection hopper 3 for collection, after desulfurization operation is completed, the waste collection hopper 3 can be opened for treatment, the inner lower side of the opening cylinder 2 is provided with a guide groove 8, the wiping column 9 for cleaning the first screw plate 6 is slidably connected in the guide groove 8, as shown in fig. 3, the rotating first screw plate 6 can carry the wiping column 9 from the front side position to the rear side position while scraping sulfur-containing sediment, in the process of moving the wiping column 9, the first screw plate 6 can be cleaned by utilizing the bristles on the circumference of the wiping column 9, so that self cleaning is realized, more labor is saved, and the like, as shown in fig. 2 and 9, because the length of the first screw plate 6 is shorter than the length of the second screw plate 7, when the wiping column 9 is at the rear side position, the first screw plate 7 is contacted with the second screw plate 7, the second screw plate 7 can bring the wiping column 9 back to the front side position again, waiting for cleaning the first screw plate 6, in the process of rotating the second screw plate 7, the inner wall of the opening cylinder 2 can be further cleaned by utilizing the bristles on the circumference of the second screw plate 7, the effect of cleaning sulfur-containing sediment is better, the first screw plate 6 and the second screw plate 7 are respectively provided with mixing units at equal intervals on one side of the circumference far away from the wiping column 9; as shown in fig. 3 and 9, the mixing unit is operable to further mix the introduced sulfur-containing exhaust gas with the atomized desulfurizing agent during rotation of the first screw plate 6 and the second screw plate 7, thereby improving the desulfurizing effect.

And a material passing unit: the lower end of the inner part of the box body 1 is provided with a plurality of grooves;

an atomization unit: is arranged at the upper end of the interior of the box body 1.

The mixing unit comprises a stirring seat 10, a stirring shaft 11 parallel to the rotating shaft 4 is rotationally connected to the stirring seat 10, a patch wheel 12 is arranged on the stirring shaft 11, and stirring rods 13 are arranged on the circumference of the patch wheel 12 at equal intervals. As shown in fig. 8 and 10, when the first screw plate 6 and the second screw plate 7 rotate, the circumference of the pasting wheel 12 is rotatable in contact with the inner wall of the opening cylinder 2, and the stirring rod 13 can be driven to rotate under the guidance of the stirring shaft 11, so that when the opening cylinder 2 is not in contact with the stirring rod, the sulfur-containing waste gas can be dispersed due to continuous rotation of inertia, the effect of mixing the waste gas with the atomized desulfurizing agent is further improved, and the desulfurizing effect is improved.

The feeding unit comprises a feeding cylinder 14, an accelerating shaft 15 is rotationally connected to the feeding cylinder 14, a third screw plate 16 is rotationally connected to the feeding cylinder 14, and the accelerating shaft 15 and the third screw plate 16 are respectively connected with two output ends of a differential mechanism 17. As shown in fig. 2 and 11, when the differential mechanism 17 works, the accelerating shaft 15 rotates fast, the third screw plate 16 rotates relatively slowly, the third screw plate 16 conveys the calcined cement raw material, and the stirring column on the accelerating shaft 15 can break up the cement raw material, so that sulfur-containing waste gas mixed in the accelerating shaft is fully discharged, and the desulfurization is performed, so that the desulfurization effect is better.

The atomizing unit comprises a plurality of atomizing nozzles 18, a transfer groove is arranged at the upper end of the inside of the box body 1, and the transfer groove is communicated with the plurality of atomizing nozzles 18. As shown in fig. 2, after the desulfurizing agent with a certain pressure is introduced into the transfer tank, the desulfurizing agent can be sprayed out from the atomizing nozzle 18, so that the desulfurizing agent and the sulfur-containing waste gas are fully contacted and mixed for reaction, desulfurization is performed, and the gas after desulfurization can be discharged from a clean gas outlet on one side of the box body 1.

The atomization unit further comprises a liquid pump 19 arranged at the upper end of the box body 1, a liquid storage box is arranged on the other side of the inner part of the box body 1, a pump inlet of the liquid pump 19 is communicated with the lower end of the inner part of the liquid storage box through a first connecting pipe, and a pump outlet of the liquid pump 19 is communicated with the transfer groove through a second connecting pipe. As shown in fig. 2, when the liquid pump 19 works, the desulfurizing agent in the liquid storage tank can be pumped out and conveyed into the transfer tank, so as to provide a basis for desulfurization.

An exhaust hopper is arranged at the upper end of the feed cylinder 14, a raw material inlet pipe is arranged at the upper side of one end of the feed cylinder 14, and a raw material outlet pipe is arranged at the lower side of the other end of the feed cylinder 14. As shown in fig. 2, the sulfur-containing flue gas or the calcined cement raw material can be added from the raw material inlet pipe at one side of the feed cylinder 14, turned in the conveying process, and the sulfur-containing waste gas is discharged for desulfurization, and the cement raw material after the sulfur-containing flue gas is discharged can be discharged from the raw material outlet pipe at the other end of the feed cylinder 14, so that the use is more convenient.

Working principle: as shown in fig. 1 and 2, adding sulfur-containing flue gas or calcined cement raw materials from a raw material inlet pipe at one side of a feeding cylinder 14, if the sulfur-containing flue gas can directly block a raw material outlet pipe at the other end of the feeding cylinder 14, then operating a differential mechanism 17, enabling an accelerating shaft 15 to rotate rapidly, enabling a third screw plate 16 to rotate relatively slowly, conveying the calcined cement raw materials by the third screw plate 16, enabling stirring columns on the accelerating shaft 15 to break up the cement raw materials, and fully discharging sulfur-containing waste gas mixed in the stirring columns into a box body 1; as shown in fig. 2 and 3, the motor 5 works, the rotating shaft 4 carries the first screw plate 6 and the second screw plate 7 to rotate anticlockwise in the opening cylinder 2, the liquid pump 19 works to pump out the desulfurizing agent in the liquid storage tank and convey the desulfurizing agent into the transfer tank, the desulfurizing agent with certain pressure in the transfer tank can be sprayed out from the atomizing nozzle 18 and fully contacts with sulfur-containing waste gas to perform mixed reaction, the desulfurized gas can be discharged from a clean gas outlet on one side of the box body 1, sulfur-containing sediments generated during desulfurization are deposited in the opening cylinder 2, the anticlockwise rotating first screw plate 6 can scrape the sulfur-containing sediments adhered on the inner wall of the opening cylinder 2 to the rear side so as to enter the waste collection hopper 3 to be collected, after the desulfurization operation is completed, the waste collection hopper 3 can be opened to be processed, the desulfurizing agent can continuously rotate, the inner wall of the opening cylinder 2 is cleaned, and the cleaning effect is better;

as shown in fig. 3, the rotating first screw plate 6 can carry the wiping column 9 from the front side position to the rear side position under the guide of the guide groove 8 while scraping sulfur-containing precipitate, and in the moving process of the wiping column 9, the first screw plate 6 can be cleaned by utilizing the bristles on the circumference of the wiping column 9, so that self-cleaning is realized, labor is saved, and the like;

as shown in fig. 8 and 10, when the first screw plate 6 and the second screw plate 7 rotate, the circumference of the pasting wheel 12 is rotatable in contact with the inner wall of the opening cylinder 2, and the stirring rod 13 can be driven to rotate under the guiding of the stirring shaft 11, so that when the opening cylinder 2 is not in contact with the stirring rod, the stirring rod 13 can break up the sulfur-containing waste gas due to the continuous rotation of inertia, the effect of mixing the waste gas with the atomized desulfurizing agent is further improved, the desulfurizing effect is improved, and the desulfurizing is more efficient.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. Desulfurization atomizing device for cement manufacture, characterized by comprising: the device comprises a box body (1), a scraping unit for clearing out sediment, a mixing unit, a passing unit for discharging sulfur gas in raw materials and an atomizing unit;

box (1): an opening cylinder (2) for containing reaction sediments is arranged at one side of the interior, and a waste collection bucket (3) communicated with the rear side of the lower end of the opening cylinder (2) is arranged at the lower end of the opening cylinder;

scraping unit: the cleaning device comprises a rotating shaft (4) which rotates at the inner center of an opening cylinder (2), the rotating shaft (4) stretches out of the front end of a box body (1) to be matched with a motor (5), a first threaded plate (6) and a second threaded plate (7) are respectively arranged on the rotating shaft (4), the first threaded plate (6) and the second threaded plate (7) are opposite in spiral direction, the length of the first threaded plate (6) is shorter than that of the second threaded plate (7), a guide groove (8) is formed in the lower side of the inner portion of the opening cylinder (2), a wiping column (9) for cleaning the first threaded plate (6) is connected in the guide groove (8) in a sliding mode, and mixing units are respectively arranged on one side, far away from the wiping column (9), of the circumference of the first threaded plate (6) and the second threaded plate (7) in an equidistant mode;

and a material passing unit: the box body is arranged at the lower end of the interior of the box body (1);

an atomization unit: is arranged at the upper end of the inside of the box body (1).

2. The desulfurization atomizing device for cement production according to claim 1, wherein: the mixing unit comprises a stirring seat (10), a stirring shaft (11) parallel to the rotating shaft (4) is rotationally connected to the stirring seat (10), a pasting wheel (12) is arranged on the stirring shaft (11), and stirring rods (13) are arranged on the circumference of the pasting wheel (12) at equal intervals.

3. The desulfurization atomizing device for cement production according to claim 1, wherein: the feeding unit comprises a feeding barrel (14), an accelerating shaft (15) is rotationally connected to the feeding barrel (14), a third threaded plate (16) is rotationally connected to the feeding barrel (14), and the accelerating shaft (15) and the third threaded plate (16) are respectively connected with two output ends of a differential mechanism (17).

4. The desulfurization atomizing device for cement production according to claim 1, wherein: the atomizing unit comprises a plurality of atomizing nozzles (18), wherein a transfer groove is formed in the upper end of the inside of the box body (1), and the transfer groove is communicated with the atomizing nozzles (18).

5. The desulfurization atomizing device for cement production according to claim 4, wherein: the atomization unit further comprises a liquid pump (19) arranged at the upper end of the box body (1), a liquid storage tank is arranged on the other side of the inside of the box body (1), a pump inlet of the liquid pump (19) is communicated with the lower end of the inside of the liquid storage tank through a first connecting pipe, and a pump outlet of the liquid pump (19) is communicated with the transfer tank through a second connecting pipe.

6. A desulfurization and atomization device for cement production according to claim 3, wherein: the upper end of the feeding barrel (14) is provided with an exhaust hopper, the upper side of one end of the feeding barrel (14) is provided with a raw material inlet pipe, and the lower side of the other end of the feeding barrel (14) is provided with a raw material outlet pipe.