CN215032228U - Fly ash desulphurization unit - Google Patents

Fly ash desulphurization unit Download PDF

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Publication number
CN215032228U
CN215032228U CN202120186507.6U CN202120186507U CN215032228U CN 215032228 U CN215032228 U CN 215032228U CN 202120186507 U CN202120186507 U CN 202120186507U CN 215032228 U CN215032228 U CN 215032228U
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Prior art keywords
desulfurization
fly ash
bin
discharge
wall
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CN202120186507.6U
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杨宝成
刘国华
张可心
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Zhongke Kelin Energy Saving And Environmental Technology Co ltd
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Zhongke Kelin Energy Saving And Environmental Technology Co ltd
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Abstract

The utility model provides a fly ash desulphurization unit relates to desulfurization technical field. The method comprises the following steps: the desulfurization bin is provided with a plurality of water outlet holes which can discharge liquid in the desulfurization bin; the method is convenient to use and low in construction cost, and can effectively remove sulfur-containing oxides in the fly ash, thereby reducing the pollution to the environment.

Description

Fly ash desulphurization unit
Technical Field
The utility model relates to a desulfurization technical field particularly, relates to a fly ash desulphurization unit.
Background
The fly ash is fine ash collected from flue gas generated after coal combustion, and is main solid waste discharged from a coal-fired power plant; a large amount of fly ash can generate dust without treatment, thereby polluting the atmosphere; the main oxide compositions of the fly ash are SiO2, Al2O3, Na2O, SO3, MnO2 and the like, if the fly ash is discharged into a water system, river siltation can be caused, and toxic chemical substances in the fly ash can cause harm to human bodies and organisms; sulfur trioxide is a colorless easily sublimable solid, has three phases, is dissolved in water, reacts with water to generate sulfuric acid and release a large amount of heat, so that the gaseous form of sulfur trioxide is also called sulfuric anhydride and is a serious pollutant, and is one of main sources for forming acid rain.
At present, a large amount of fly ash produced in industry usually adopts a flue gas desulfurization mode, and harmful substances such as sulfur trioxide and the like contained in the fly ash are removed by physical means and chemical means, but the mode is only suitable for industrial sulfur removal, the construction cost is relatively high, a wide field is required, and the mode is not suitable for the desulfurization treatment of a small amount of fly ash.
Therefore, how to design a fly ash desulphurization device with convenient use and low cost is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fly ash desulphurization unit, its convenient to use, construction cost are low to can effectually get rid of the sulfur oxide that contains in the fly ash, thereby reduce the pollution to the environment.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a fly ash desulphurization unit, and it includes the desulfurization storehouse that one end opening set up, and the desulfurization storehouse is seted up a plurality of apopores that can be with the interior liquid discharge of desulfurization storehouse.
When the device is used, the fly ash to be treated is put in from an opening of a desulfurization bin, because sulfur trioxide exists in the fly ash and the characteristic that the sulfur trioxide can be dissolved in water is adopted, water is added into the desulfurization bin, and after the water reacts with the sulfur trioxide, the sulfur trioxide is dissolved in the water to form sulfuric acid, the content of the formed sulfuric acid is lower, the desulfurization bin cannot be corroded immediately, the inner wall of the desulfurization bin is attached with a material with acid resistance, so that the service life of the desulfurization bin can be prolonged, such as a polytetrafluoroethylene film, a polyethylene film, a polypropylene film and the like, a sensor for monitoring the pH value of flowing water is arranged on the inner wall of a water outlet hole, so that flowing liquid is detected, when the pH value of the liquid is close to neutrality or is neutral, the content of the sulfur trioxide in the fly ash in the desulfurization bin is close to zero, and then the fly ash in the desulfurization bin is taken out and replaced, so as to be convenient for the next desulfurization process.
In some embodiments of the utility model, the discharge gate has still been seted up to above-mentioned desulfurization storehouse, and the outer wall in desulfurization storehouse rotates to be connected with can be with the apron of discharge gate closing cap.
Through the technical scheme, the coal ash in the desulfurization bin does not need to be discharged through the opening after the reaction through the discharge hole and the cover plate, so that the convenience is improved; namely, after the reaction is finished, the cover plate is opened, and the desulfurized fly ash can be discharged from the discharge hole.
In some embodiments of the present invention, the water outlet hole is inserted with a water outlet pipe communicated with the inside of the desulfurization chamber.
Through above-mentioned technical scheme, the outlet pipe is pegged graft downthehole at the outlet pipe, and inside sulphuric acid that forms will be discharged by the outlet pipe, and of course, the inner wall of outlet pipe also is provided with the cladding material that has anti-acid performance to avoid the frequent damage of outlet pipe, and the existence of outlet pipe also when making the inside liquid discharge in desulfurization storehouse, avoid its drippage at the outer wall in desulfurization storehouse, long-time drippage leads to the desulfurization storehouse to damage.
In some embodiments of the present invention, the outlet pipe is located at the outer end of the desulfurization chamber and is inclined downward, and the end of the outlet pipe located inside the desulfurization chamber is tightly attached to the inner wall of the bottom end of the desulfurization chamber.
Through above-mentioned technical scheme, be that the outlet pipe is located the outside part in desulfurization storehouse promptly, compare the part that is located desulfurization storehouse inside low, make inside liquid when discharging, can be quick, smooth discharge, and be located the port of the inside outlet pipe in desulfurization storehouse, be provided with the metal grille, the outer wall of grid also is provided with the anticorrosive coating, the effect of grid is avoided the fly ash in the desulfurization storehouse by the outlet pipe discharge, more important avoids the outlet pipe to block up.
In some embodiments of the present invention, a sealing mechanism is disposed between the cover plate and the outer wall of the desulfurization chamber to prevent the liquid in the desulfurization chamber from flowing out.
Through above-mentioned technical scheme, sealing mechanism's existence avoids when the discharge gate is sealed to the apron promptly, guarantees the leakproofness between discharge gate and the apron, avoids the liquid in the desulfurization storehouse to leach.
In some embodiments of the present invention, the sealing mechanism includes a strip-shaped groove located on the outer wall of the desulfurization chamber and extending along the edge of the discharge port, and a strip-shaped block located on the inner wall of the cover plate and inserted into the strip-shaped groove.
Through above-mentioned technical scheme, be promptly through the grafting in the bar piece on the apron and the bar groove of edge distribution along the discharge gate, be bar piece embedding bar inslot promptly to reach sealed effect, and the inner wall in bar groove is provided with the rubber layer, the outer wall of bar piece is provided with the rubber layer equally, thereby improves the leakproofness between apron and the desulfurization storehouse.
In some embodiments of the present invention, the sidewall of the desulfurization chamber is provided with an interlayer.
Through above-mentioned technical scheme, be promptly that the desulfurization storehouse adopts bilayer structure, and be provided with the clearance between the bilayer, just can avoid the overheated phenomenon of outer wall in desulfurization storehouse, because sulfur trioxide and water take place the reaction and can produce a large amount of heats to avoid the outer wall in desulfurization storehouse overheated, thereby avoid the staff when bumping by accident, prevent to cause the injury of certain degree to the staff, improve the security.
In some embodiments of the present invention, the inner diameter of the desulfurization chamber is gradually decreased from top to bottom to form a diversion portion.
Through above-mentioned technical scheme, the existence of water conservancy diversion portion is when putting into fly ash in the desulfurization storehouse promptly, slows down the falling speed of fly ash, avoids causing the damage in desulfurization storehouse.
In some embodiments of the present invention, the end portion of the discharge port is movably connected to a discharge plate, and one end of the discharge plate is tightly attached to the bottom edge of the discharge port.
Through the technical scheme, the discharge plate is convenient for discharging the fly ash, and plays a role in flow guiding.
In some embodiments of the present invention, the two side edges of the upper end surface of the discharge plate protrude upwards to form a baffle, and a discharge chute communicated with the discharge port is formed between the two baffles.
Through the technical scheme, the discharge chute can be formed between the two baffle plates, so that the fly ash is discharged from the discharge chute.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least: when the coal ash desulfurization device is used, coal ash to be treated is placed from an opening of a desulfurization bin, sulfur trioxide exists in the coal ash, and according to the characteristic that the sulfur trioxide can be dissolved in water, water is added into the desulfurization bin, the sulfur trioxide is dissolved in the water to form sulfuric acid after the water reacts with the sulfur trioxide, the sulfuric acid is formed and is discharged from a water outlet hole, so that the purpose of desulfurization is achieved, and the coal ash in the desulfurization bin is taken out and replaced after the reaction is finished, so that the next desulfurization process can be facilitated;
the strip-shaped block on the cover plate is inserted into the strip-shaped groove distributed along the edge of the discharge port, namely the strip-shaped block is embedded into the strip-shaped groove, so that the sealing effect is achieved, the rubber layer is arranged on the inner wall of the strip-shaped groove, and the rubber layer is also arranged on the outer wall of the strip-shaped block so as to enable the strip-shaped block and the rubber layer to be in soft contact with each other, so that the sealing property between the cover plate and the desulfurization bin is improved;
the flow guide part is used for slowing down the descending speed of the fly ash when the fly ash is put into the desulfurization bin, so that the desulfurization bin is prevented from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the whole in the embodiment of the present invention;
fig. 2 is a sectional view of the desulfurization bin in the embodiment of the present invention.
Icon: 1. a desulfurization bin; 2. a water outlet hole; 3. a discharge port; 4. a cover plate; 5. a water outlet pipe; 6. a strip-shaped groove; 7. an interlayer; 8. a flow guide part; 9. a discharge plate; 10. a baffle plate; 11. a discharge chute.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1-2, the present embodiment provides a fly ash desulfurization device, which includes a desulfurization bin 1 having an opening at one end and being a cylindrical body, that is, the desulfurization bin 1 has an opening at one end and a closed state at the other end, and the desulfurization bin 1 is provided with a plurality of water outlet holes 2 capable of discharging liquid in the desulfurization bin 1. Apopore 2 communicates the inside and the external world of desulfurization storehouse 1 to the bottom setting that the position of apopore 2 is close to desulfurization storehouse 1, the side can be with the liquid discharge of 1 inside in desulfurization storehouse.
When the device is used, the coal ash to be treated is put into the desulfurization bin 1 from the opening, because sulfur trioxide exists in the coal ash and the water-soluble characteristic of sulfur trioxide is obtained, water is added into the desulfurization bin 1, and after the water reacts with the sulfur trioxide, the sulfur trioxide is dissolved in the water to form sulfuric acid, the content of the formed sulfuric acid is lower, the desulfurization bin 1 cannot be corroded immediately, the inner wall of the desulfurization bin 1 is attached with a material with acid resistance, so that the service life of the desulfurization bin 1 can be prolonged, such as a polytetrafluoroethylene film, a polyethylene film, a polypropylene film and the like, a sensor for monitoring the pH value of flowing water is arranged on the inner wall of the water outlet hole 2, so that the flowing liquid is detected, and when the pH value of the liquid is close to neutrality or is neutral, the content of the sulfur trioxide in the coal ash in the desulfurization bin 1 is close to zero, so that the fly ash in the desulfurization bin 1 is taken out and replaced, and the next desulfurization process is facilitated.
It should be noted that, the whole material of desulfurization storehouse 1 adopts the metal material to make, guarantees that whole device has sufficient mechanical strength, and the enough fly ash of ability holding. And the end part of the desulfurization bin is also provided with a water inlet pipe, so that continuous injected water is facilitated.
The working principle of the fly ash desulphurization device is as follows: when using promptly, put into the fly ash that will need to handle by the opening of desulfurization storehouse 1, there is sulfur trioxide in the fly ash, and can be dissolved in the characteristic of water according to sulfur trioxide, thereby adding water in to desulfurization storehouse 1 can, and water and sulfur trioxide take place the back of reacting, sulfur trioxide is dissolved in promptly and is formed sulphuric acid in the water, it will be discharged by apopore 2 to form sulphuric acid, thereby reach the mesh of desulfurization, and after the reaction, take out the change with the fly ash in desulfurization storehouse 1 again, thereby in order to the desulfurization process of next time.
In this embodiment, the discharging port 3 is further opened in the desulfurization bin 1, and the outer wall of the desulfurization bin 1 is rotatably connected with the cover plate 4 capable of sealing the discharging port 3. Through the discharge port 3 and the cover plate 4, even after the coal ash in the desulfurization bin 1 is reacted, the coal ash does not need to be discharged through an opening, so that the convenience is improved; namely, after the reaction is finished, the cover plate 4 is opened, and the desulfurized fly ash can be discharged from the discharge hole 3.
In this embodiment, the water outlet hole 2 is inserted with a water outlet pipe 5 communicated with the inside of the desulfurization bin 1. Outlet pipe 5 pegs graft in apopore 2, and inside sulphuric acid that forms will be discharged by outlet pipe 5, and of course, the inner wall of outlet pipe 5 also is provided with the cladding material that has anti-acid performance to avoid the frequent damage of outlet pipe 5, and the existence of outlet pipe 5 also when making the inside liquid discharge of desulfurization storehouse 1, avoid its drippage at the outer wall of desulfurization storehouse 1, long-time drippage leads to desulfurization storehouse 1 to damage.
In this embodiment, the end of the water outlet pipe 5 located outside the desulfurization bin 1 is inclined downward, and the end of the water outlet pipe 5 located inside the desulfurization bin 1 is tightly attached to the inner wall of the bottom end of the desulfurization bin 1. That is outlet pipe 5 is located the outside part in desulfurization storehouse 1 promptly, compares and is located the inside part in desulfurization storehouse 1 low, makes inside liquid when discharging, can be fast, smooth discharge, and is located the port of the inside outlet pipe 5 in desulfurization storehouse 1, is provided with the metal grille, and the outer wall of grid also is provided with the anticorrosive coating, and the effect of grid is avoided fly ash in desulfurization storehouse 1 to be discharged by outlet pipe 5, and more important avoids outlet pipe 5 to block up.
In this embodiment, a sealing mechanism capable of preventing the liquid in the desulfurization bin 1 from flowing out is disposed between the cover plate 4 and the outer wall of the desulfurization bin 1. The existence of sealing mechanism avoids when apron 4 seals discharge gate 3 promptly, guarantees the leakproofness between discharge gate 3 and the apron 4, avoids the liquid in the desulfurization storehouse 1 to leach.
In this embodiment, the sealing mechanism includes a strip-shaped groove 6 located on the outer wall of the desulfurization bin 1 and extending along the edge of the discharge port 3, and a strip-shaped block located on the inner wall of the cover plate 4 and inserted into the strip-shaped groove 6. Be through the grafting of the bar piece on the apron 4 and the bar groove 6 of 3 edge distributions along the discharge gate promptly, be bar piece embedding bar inslot 6 promptly to reach sealed effect, and the inner wall in bar groove 6 is provided with the rubber layer, and the outer wall of bar piece is provided with the rubber layer equally, thereby improves the leakproofness between apron 4 and desulfurization storehouse 1.
In this embodiment, the sidewalls of the desulfurization bin 1 are provided with interlayers 7. That desulfurization storehouse 1 adopts bilayer structure promptly, and is provided with the clearance between the bilayer, just can avoid the overheated phenomenon of outer wall in desulfurization storehouse 1, because sulfur trioxide can produce a large amount of heats with the reaction of water, thereby avoid the outer wall in desulfurization storehouse 1 overheated, thereby avoid the staff when inadvertently bumping, prevent to cause the injury of certain degree to the staff, improve the security.
In this embodiment, the inside diameter of the desulfurization bin 1 gradually decreases from top to bottom to form a flow guide portion 8. The diversion part 8 slows down the descending speed of the fly ash when the fly ash is put into the desulfurization bin 1, and avoids the damage to the desulfurization bin 1.
In this embodiment, the end of the discharge port 3 is movably connected with a discharge plate 9, and one end of the discharge plate 9 is closely attached to the bottom edge of the discharge port 3. The existence of the discharging plate 9 is convenient for discharging the fly ash and plays a role in flow guiding.
In this embodiment, two side edges of the upper end surface of the discharging plate 9 are protruded upwards to form baffles 10, and a discharging chute 11 communicated with the discharging port 3 is formed between the two baffles 10. A discharge chute 11 can be formed between the two baffles 10, so that the fly ash is discharged from the discharge chute 11.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a fly ash desulphurization unit which characterized in that, includes the desulfurization storehouse that one end opening set up, a plurality of apopores that can be with liquid discharge in the desulfurization storehouse have been seted up to the desulfurization storehouse.
2. The fly ash desulfurization device according to claim 1, wherein the desulfurization bin is further provided with a discharge port, and the outer wall of the desulfurization bin is rotatably connected with a cover plate capable of sealing the discharge port.
3. The fly ash desulfurization device according to claim 2, wherein the water outlet hole is inserted with a water outlet pipe communicated with the inside of the desulfurization bin.
4. The fly ash desulfurization device according to claim 3, wherein the ends of the water outlet pipes located outside the desulfurization bin are both inclined downward, and the end of the water outlet pipe located inside the desulfurization bin is closely attached to the inner wall of the bottom end of the desulfurization bin.
5. The fly ash desulfurization device according to claim 4, wherein a sealing mechanism capable of preventing liquid in the desulfurization bin from flowing out is arranged between the cover plate and the outer wall of the desulfurization bin.
6. The fly ash desulfurization device according to claim 5, wherein the sealing mechanism comprises a strip-shaped groove located on the outer wall of the desulfurization bin and extending along the edge of the discharge port, and a strip-shaped block located on the inner wall of the cover plate and inserted into the strip-shaped groove.
7. The fly ash desulfurization device according to claim 6, wherein the side walls of the desulfurization bin are provided with interlayers.
8. The fly ash desulfurization device according to claim 7, wherein the inside diameter of the desulfurization bin is gradually reduced from top to bottom to form a flow guide portion.
9. The fly ash desulfurization device according to claim 8, wherein the end of the discharge port is movably connected with a discharge plate, and one end of the discharge plate is closely attached to the bottom end edge of the discharge port.
10. The fly ash desulfurization device according to claim 9, wherein two side edges of the upper end surface of the discharge plate are raised upward to form baffles, and a discharge chute communicated with the discharge port is formed between the two baffles.
CN202120186507.6U 2021-01-22 2021-01-22 Fly ash desulphurization unit Active CN215032228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120186507.6U CN215032228U (en) 2021-01-22 2021-01-22 Fly ash desulphurization unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120186507.6U CN215032228U (en) 2021-01-22 2021-01-22 Fly ash desulphurization unit

Publications (1)

Publication Number Publication Date
CN215032228U true CN215032228U (en) 2021-12-07

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CN202120186507.6U Active CN215032228U (en) 2021-01-22 2021-01-22 Fly ash desulphurization unit

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: SHENYANG DONGDIAN POWER EQUIPMENT DEVELOPMENT Co.,Ltd.

Assignor: ZHONGKE KELIN ENERGY SAVING AND ENVIRONMENTAL TECHNOLOGY CO.,LTD.

Contract record no.: X2023210000088

Denomination of utility model: A fly ash desulfurization device

Granted publication date: 20211207

License type: Common License

Record date: 20230906

EE01 Entry into force of recordation of patent licensing contract