CN113318588A

CN113318588A - Flue gas dust removal and desulfurization device of miniature industrial gas boiler

Info

Publication number: CN113318588A
Application number: CN202110785061.3A
Authority: CN
Inventors: 钟华; 张兵; 梁明
Original assignee: Anhui Tianshun Environmental Protection Equipment Co ltd
Current assignee: Anhui Tianshun Environmental Protection Equipment Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-08-31

Abstract

The invention discloses a flue gas dedusting and desulfurizing device of a miniature industrial gas boiler, which comprises a desulfurizing tower, wherein the bottom end of the desulfurizing tower is fixedly arranged on a base, one side of the desulfurizing tower is provided with a water inlet pipe, and the water inlet pipe is provided with a water inlet valve, and heating and drying the inside of the built-in frame body to keep the inside of the tower body dry.

Description

Flue gas dust removal and desulfurization device of miniature industrial gas boiler

Technical Field

The invention relates to the technical field of gas boilers, in particular to a flue gas dedusting and desulfurizing device of a miniature industrial gas boiler.

Background

The boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler generating steam is called as a steam boiler, often called as a boiler for short, is mostly used for thermal power stations, ships, locomotives and industrial and mining enterprises, and is mostly used as a gas boiler in micro industrial production.

Patent No. CN200620071606.5 discloses a wet flue gas desulfurization dust remover, a better for being cambered surface structure, cambered surface cavity ceramic block, it is pleasing to the eye to build the cylinder tower body appearance by laying bricks or stones, and two are favorable to increaseing the building block size, reduce and build work load by laying bricks or stones to still be favorable to improving the overall structure intensity of tower body. The hollow ceramic block may be formed in mold, and is one kind of hollow body formed through mechanical extrusion and with upper and lower ends opened and support plate between the inner and outer wall. The connecting tenon on the peripheral side surface of the building block is preferably an inner notch, when the tower body is built, cement can be poured into the notch formed between the adjacent building blocks, the reinforcing effect of the connecting building block is achieved, sealing between the building blocks can be better formed, and the leakage resistance between the building blocks is improved. In addition, in order to improve the overall structural strength of the tower body and be beneficial to heat preservation, light castable materials and/or light heat preservation materials and the like can be filled in the hollow core part of the hollow ceramic block, glaze water can be applied to the surface of the ceramic block, the beautification and beauty degree of the appearance of the masonry tower body is increased, the inner surface is flat and smooth, the water flow resistance can be reduced, and the dust removal efficiency is improved. The unsmooth rabbet of connection of building block side forms tortuous joint, has improved the leakproofness of building by laying bricks or stones between the tower body building block, uses for a long time can not the infiltration to thoroughly solved the seepage difficult problem of building by laying bricks or stones the tower body and being difficult to solve. Fill in the building block space, fill and fill light castable and/or light insulation material, not only strengthened the bulk strength of building by laying bricks or stones the tower body, be used for cold areas in addition, still be favorable to reducing the frost crack of ceramic tower body, in addition, still be favorable to improving the heat insulating ability, use in cold areas, can effectively ensure to reach good atomization effect. The wet dedusting and desulfurizing tower can be used in various forms, such as spraying dedusting and desulfurizing tower, water film dedusting and desulfurizing tower, and impact water bath dedusting and desulfurizing tower. The above patent has the following problems:

1. in the process of dedusting and desulfurizing by adopting a spraying mode, part of spraying water with dust and sulfuric acid is hung on the inner wall of the desulfurization tower body, so that the dust deposition and the sulfuric acid concentration in the desulfurization tower body are gradually increased, and the long-term effective dedusting and desulfurization are not facilitated;

2. the inner wall of the desulfurization tower body is in a humid environment for a long time, so that water seepage is easily caused at the splicing part inside the desulfurization tower body, and the normal use of the desulfurization tower body is influenced.

Disclosure of Invention

The invention aims to provide a flue gas dedusting and desulfurizing device of a miniature industrial gas boiler, which can synchronously clean the inner wall of an internal frame body in the process of spraying operation to avoid the inner wall of the internal frame body from being adhered by dust and sulfuric acid, and heat and dry the inside of the internal frame body after the desulfurization is finished to keep the inside of a tower body dry, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a flue gas dedusting and desulfurizing device of a miniature industrial gas boiler comprises a desulfurizing tower, wherein the bottom end of the desulfurizing tower is fixedly arranged on a base, one side of the desulfurizing tower is provided with a water inlet pipe, the water inlet pipe is provided with a water inlet valve, the water inlet valve is positioned on the outer side of the desulfurizing tower, the top end of the desulfurizing tower is provided with a spray pipe, the spray pipe penetrates through the desulfurizing tower and enters the inside of the desulfurizing tower, one side of the spray pipe is provided with a flue gas pipe, and the flue gas pipe penetrates through the desulfurizing tower and enters the inside of the desulfurizing tower;

the desulfurizing tower comprises an external tower body, an internal frame body, a heating assembly, a water storage pipe, a cleaning frame, a waste liquid pool and a liquid discharge pipe, wherein the internal frame body is arranged in the external tower body, the heating assembly is arranged between the internal frame body and the external tower body, the two sides of the heating assembly are respectively provided with a heat-insulating net, the heat-insulating net is wrapped on the outer side of the heating assembly, the water storage pipe is arranged in the internal frame body, the bottom end of the water storage pipe is fixedly connected with the cleaning frame, the inside of the cleaning frame is communicated with the inside of the water storage pipe, the waste liquid pool is arranged below the cleaning frame, the bottom of the waste liquid pool is fixedly installed on a base, the liquid discharge pipe is fixedly connected to one side of the waste liquid pool, the inside of the waste liquid pool is communicated with the liquid discharge pipe, and one end, far away from the waste liquid pool, of the liquid discharge pipe penetrates through the external tower body and is communicated with the outside.

Preferably, the heating assembly comprises a heating frame, a heating resistor, an absorber plate, a heat absorption column, a heat conduction column and a positioning plate, the heating resistor is arranged in the heating frame, the absorber plate is arranged on one side of the heating resistor, the absorber plate is fixedly connected with the heating frame, the heat absorption column is arranged on one side, close to the heating resistor, of the absorber plate, the heat absorption column is fixedly connected with the absorber plate, the heat conduction column is arranged on one side, far away from the heating resistor, of the absorber plate, the heat conduction column is fixedly connected with the absorber plate, and the positioning plate is arranged on the outer side of the heat conduction column.

Preferably, the positioning plate is penetrated by the heat conduction column, the positioning plate is fixedly connected with the heat conduction column, and the positioning plate is parallel to the heat absorption plate.

Preferably, the water storage pipe comprises a flow dividing pipe, an annular pipe and a conveying pipe, the two ends of the flow dividing pipe are fixedly connected with the annular pipe, the bottom end of the annular pipe is fixedly connected with the conveying pipe, and the bottom end of the conveying pipe is fixedly connected with the cleaning frame.

Preferably, the cleaning frame comprises a wrapping frame body, a connecting port, a cleaning pipe and a water outlet hole, the connecting port is formed in the top of the wrapping frame body, the cleaning pipe is arranged inside the wrapping frame body, and the water outlet hole is formed inside the cleaning pipe.

Preferably, the outer wall of the cleaning pipe is tightly attached to the inner wall of the wrapping frame, the outer wall of the wrapping frame is tightly attached to the inner wall of the built-in frame, and the wrapping frame and the built-in frame are fixedly connected.

Preferably, the one end that the shower runs through external tower body runs through built-in framework simultaneously, the one end fixedly connected with shower head that the shower is located built-in framework inside, the one end that the flue gas pipe runs through external tower body runs through built-in framework simultaneously, be parallel to each other between flue gas pipe and the shower.

Compared with the prior art, the invention has the beneficial effects that: the invention provides a flue gas dust removal and desulfurization device of a miniature industrial gas boiler, wherein a water inlet valve is opened to inject clean water into a water inlet pipe, the clean water enters a ring pipe through a flow dividing pipe and flows down on the inner wall of an internal frame body under the guidance of a cleaning pipe to clean dust and sulfuric acid attached to the internal frame body, so that cleaning waste liquid enters a waste liquid pool again and is discharged by a liquid discharge pipe, after the flue gas is treated, a heating resistor is electrified to start heating, the heat absorption column absorbs heat and then transmits the heat to a heat conduction column, the heat conduction column heats the inner wall of the internal frame body to keep the inner wall of the internal frame body dry, the device can synchronously clean the inner wall of the internal frame body in the spraying process to avoid the attachment of the inner wall of the internal frame body by the dust and the sulfuric acid, and after the desulfurization is finished, the interior of the internal frame body is heated and dried, the interior of the tower body is kept dry.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of a desulfurization tower of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view of a heating assembly of the present invention;

FIG. 5 is an enlarged view of a reservoir tube of the present invention;

FIG. 6 is a cross-sectional view of a cleaning frame of the present invention;

FIG. 7 is a bottom view of the cleaning frame of the present invention.

In the figure: 1. a desulfurizing tower; 11. an external tower body; 12. a built-in frame body; 13. a heating assembly; 131. a heating frame; 132. a heating resistor; 133. a heat absorbing plate; 134. a heat absorption column; 135. a heat-conducting column; 136. positioning a plate; 14. a water storage pipe; 141. a shunt tube; 142. an annular tube; 143. a conveying pipe; 15. cleaning the frame; 151. wrapping the frame body; 152. a connecting port; 153. cleaning the tube; 154. a water outlet hole; 16. a waste liquid tank; 17. a liquid discharge pipe; 2. a base; 3. a water inlet pipe; 4. a water inlet valve; 5. a shower pipe; 6. a flue gas pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a flue gas dust removal and desulfurization device for a micro industrial gas boiler comprises a desulfurization tower 1, wherein the bottom end of the desulfurization tower 1 is fixedly installed on a base 2, one side of the desulfurization tower 1 is provided with a water inlet pipe 3, the water inlet pipe 3 is provided with a water inlet valve 4, the water inlet valve 4 is positioned at the outer side of the desulfurization tower 1, the top end of the desulfurization tower 1 is provided with a spray pipe 5, the spray pipe 5 penetrates through the desulfurization tower 1 and enters the desulfurization tower 1, one side of the spray pipe 5 is provided with a flue gas pipe 6, the flue gas pipe 6 penetrates through the desulfurization tower 1 and enters the desulfurization tower 1, the desulfurization tower 1 comprises an external tower body 11, an internal frame body 12, a heating assembly 13, a water storage pipe 14, a cleaning frame 15, a waste liquid tank 16 and a liquid discharge pipe 17, the internal frame body 12 is arranged inside the external tower body 11, one end of the spray pipe 5, which penetrates through the external tower body 11, and penetrates through the internal frame body 12, one end of the spray pipe 5, the spray head is fixedly connected with the spray head positioned inside the internal frame body 12, the flue gas pipe 6 penetrates through the built-in frame body 12 at one end of the external tower body 11 and simultaneously penetrates through the built-in frame body 12, the flue gas pipe 6 and the spray pipe 5 are parallel to each other, a heating assembly 13 is arranged between the built-in frame body 12 and the external tower body 11, heat insulation nets are arranged on two sides of the heating assembly 13 and wrap the outer sides of the heating assembly 13, a water storage pipe 14 is arranged inside the built-in frame body 12, a cleaning frame 15 is fixedly connected to the bottom end of the water storage pipe 14, the inside of the cleaning frame 15 is communicated with the inside of the water storage pipe 14, a waste liquid pool 16 is arranged below the cleaning frame 15, the bottom of the waste liquid pool 16 is fixedly arranged on the base 2, a liquid discharge pipe 17 is fixedly connected to one side of the waste liquid pool 16, the inside of the waste liquid pool 16 is communicated with the liquid discharge pipe 17, one end, far away from the waste liquid pool 16, of the liquid discharge pipe 17 penetrates through the external tower body 11 and is communicated with the outside, and the flue gas with dust and sulfuric acid is discharged into the built-in frame body 12 through the flue gas pipe 6, the spraying pipe 5 sprays neutralizing liquid to make dust sink and neutralize with sulfuric acid gas, the dust and the sulfuric acid gas enter the waste liquid pool 16 together and are discharged by the liquid discharge pipe 17, the heating assembly 13 comprises a heating frame 131, a heating resistor 132, a heat absorbing plate 133, a heat absorbing column 134, a heat conducting column 135 and a positioning plate 136, the heating resistor 132 is arranged inside the heating frame 131, the heat absorbing plate 133 is arranged on one side of the heating resistor 132, the heat absorbing plate 133 is fixedly connected with the heating frame 131, the heat absorbing column 134 is arranged on one side of the heat absorbing plate 133 close to the heating resistor 132, the heat absorbing column 134 is fixedly connected with the heat absorbing plate 133, the heat conducting column 135 is arranged on one side of the heat absorbing plate 133 far away from the heating resistor 132, the heat conducting column 135 is fixedly connected with the heat absorbing plate 133, the positioning plate 136 is arranged on the outer side of the heat conducting column 135, the positioning plate 136 is penetrated by the heat conducting column 135, the positioning plate 136 is fixedly connected with the heat conducting column 135, the positioning plate 136 is parallel to the heat absorbing plate 133, after the flue gas is treated, the heating resistor 132 is powered on, so that the heating resistor 132 starts to generate heat, the heat absorption column 134 absorbs heat and transmits the heat to the heat conduction column 135, and the heat conduction column 135 heats the inner wall of the built-in frame 12 to keep the inner wall of the built-in frame 12 dry.

Referring to fig. 5-7, the water storage pipe 14 includes a shunt pipe 141, a ring pipe 142 and a transmission pipe 143, the ring pipe 142 is fixedly connected to both ends of the shunt pipe 141, the transmission pipe 143 is fixedly connected to the bottom end of the ring pipe 142, the cleaning frame 15 is fixedly connected to the bottom end of the transmission pipe 143, the cleaning frame 15 includes a packing frame 151, a connection port 152, a cleaning pipe 153 and a water outlet 154, the connection port 152 is opened at the top of the packing frame 151, the cleaning pipe 153 is disposed inside the packing frame 151, the water outlet 154 is opened inside the cleaning pipe 153, the outer wall of the cleaning pipe 153 is tightly attached to the inner wall of the packing frame 151, the outer wall of the packing frame 151 is tightly attached to the inner wall of the packing frame 12, the packing frame 151 is fixedly connected to the packing frame 12, the water inlet valve 4 is opened to inject clean water into the water inlet pipe 3, the clean water enters the ring pipe 142 through the shunt pipe 141 and enters the packing frame 151 from the transmission pipe 143, then, the cleaning liquid flows down on the inner wall of the built-in frame 12 through the guide of the cleaning pipe 153, and the dust and the sulfuric acid adhered to the built-in frame 12 are cleaned, so that the cleaning waste liquid enters the waste liquid tank 16 again and is discharged through the discharge pipe 17.

The working principle of the invention is as follows: discharging flue gas with dust and sulfuric acid into the built-in frame body 12 through a flue gas pipe 6, spraying neutralizing liquid by a spraying pipe 5 to enable the dust to sink and to be neutralized with sulfuric acid gas, entering the waste liquid pool 16 together with the neutralized sulfuric acid gas and being discharged from a liquid discharge pipe 17, enabling part of dust and sulfuric acid gas to be attached to the inner wall of the built-in frame body 12, opening a water inlet valve 4 to inject clean water into a water inlet pipe 3, enabling the clean water to enter a ring pipe 142 through a shunt pipe 141, entering a wrapping frame body 151 from a transmission pipe 143, flowing down on the inner wall of the built-in frame body 12 through the guidance of a cleaning pipe 153, cleaning the dust and the sulfuric acid attached to the built-in frame body 12, enabling cleaning waste liquid to enter the waste liquid pool 16 again and be discharged from the liquid discharge pipe 17, electrifying a heating resistor 132 after the flue gas is treated, enabling the heating resistor 132 to start heating, enabling the heat absorption column 134 to absorb heat and then transferring the heat to a heat conduction column 135, the heat-conductive column 135 heats the inner wall of the built-in frame 12, and keeps the inner wall of the built-in frame 12 dry.

In summary, the following steps: discharging flue gas with dust and sulfuric acid into the built-in frame body 12 through a flue gas pipe 6, spraying neutralizing liquid by a spraying pipe 5 to enable the dust to sink and to be neutralized with sulfuric acid gas, entering the waste liquid pool 16 together with the neutralized sulfuric acid gas and being discharged from a liquid discharge pipe 17, enabling part of dust and sulfuric acid gas to be attached to the inner wall of the built-in frame body 12, opening a water inlet valve 4 to inject clean water into a water inlet pipe 3, enabling the clean water to enter a ring pipe 142 through a shunt pipe 141, entering a wrapping frame body 151 from a transmission pipe 143, flowing down on the inner wall of the built-in frame body 12 through the guidance of a cleaning pipe 153, cleaning the dust and the sulfuric acid attached to the built-in frame body 12, enabling cleaning waste liquid to enter the waste liquid pool 16 again and be discharged from the liquid discharge pipe 17, electrifying a heating resistor 132 after the flue gas is treated, enabling the heating resistor 132 to start heating, enabling the heat absorption column 134 to absorb heat and then transferring the heat to a heat conduction column 135, the heat conduction column 135 heats the inner wall of the built-in frame body 12 to keep the inner wall of the built-in frame body 12 dry, and the device can synchronously clean the inner wall of the built-in frame body 12 in the spraying process to prevent the inner wall of the built-in frame body 12 from being adhered to dust and sulfuric acid, and after the desulfurization is completed, the inside of the built-in frame body 12 is heated and dried to keep the inside of the tower body dry.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a flue gas dust removal desulphurization unit of miniature industrial gas boiler, including desulfurizing tower (1), the bottom fixed mounting of desulfurizing tower (1) is on base (2), one side of desulfurizing tower (1) is equipped with inlet tube (3), be equipped with inlet valve (4) on inlet tube (3), inlet valve (4) are located the outside of desulfurizing tower (1), the top of desulfurizing tower (1) is equipped with shower (5), shower (5) run through desulfurizing tower (1) and enter into the inside of desulfurizing tower (1), one side of shower (5) is equipped with flue gas pipe (6), flue gas pipe (6) run through desulfurizing tower (1) and enter into the inside of desulfurizing tower (1); the desulfurizing tower is characterized in that the desulfurizing tower (1) comprises an external tower body (11), an internal frame body (12), a heating assembly (13), a water storage pipe (14), a cleaning frame (15), a waste liquid pool (16) and a liquid discharge pipe (17), wherein the internal frame body (12) is arranged inside the external tower body (11), the heating assembly (13) is arranged between the internal frame body (12) and the external tower body (11), heat-insulating nets are arranged on two sides of the heating assembly (13) and wrap the outer side of the heating assembly (13), the water storage pipe (14) is arranged inside the internal frame body (12), the cleaning frame (15) is fixedly connected to the bottom end of the water storage pipe (14), the inside of the cleaning frame (15) is communicated with the inside of the water storage pipe (14), the waste liquid pool (16) is arranged below the cleaning frame (15), and the bottom of the waste liquid pool (16) is fixedly installed on a base (2), one side fixedly connected with fluid-discharge tube (17) of waste liquid pond (16), the inside and fluid-discharge tube (17) of waste liquid pond (16) communicate with each other, the one end that waste liquid pond (16) were kept away from in fluid-discharge tube (17) runs through external tower body (11) and communicates with each other with the outside.

2. The flue gas dust removal and desulfurization device of the micro industrial gas boiler as claimed in claim 1, wherein said heating assembly (13) comprises a heating frame (131), a heating resistor (132), an absorber plate (133), an absorber column (134), a heat conduction column (135) and a positioning plate (136), said heating frame (131) is internally provided with said heating resistor (132), one side of said heating resistor (132) is provided with said absorber plate (133), said absorber plate (133) is fixedly connected with said heating frame (131), one side of said absorber plate (133) close to said heating resistor (132) is provided with said absorber column (134), said absorber column (134) is fixedly connected with said absorber plate (133), one side of said absorber plate (133) far away from said heating resistor (132) is provided with said heat conduction column (135), said heat conduction column (135) is fixedly connected with said absorber plate (133), and a positioning plate (136) is arranged on the outer side of the heat conducting column (135).

3. The flue gas dust-removing and desulfurizing device for the micro industrial gas boiler, according to claim 2, wherein said positioning plate (136) is penetrated by a heat conducting column (135), said positioning plate (136) is fixedly connected with said heat conducting column (135), and said positioning plate (136) is parallel to said heat absorbing plate (133).

4. The flue gas dust removal and desulfurization device of the micro industrial gas boiler as claimed in claim 1, wherein said water storage pipe (14) comprises a shunt pipe (141), a ring pipe (142) and a transfer pipe (143), both ends of said shunt pipe (141) are fixedly connected with said ring pipe (142), the bottom end of said ring pipe (142) is fixedly connected with said transfer pipe (143), and the bottom end of said transfer pipe (143) is fixedly connected with said cleaning frame (15).

5. The flue gas dedusting and desulfurizing device of the micro industrial gas boiler according to claim 1, wherein the cleaning frame (15) comprises a wrapping frame body (151), a connecting port (152), a cleaning pipe (153) and a water outlet hole (154), the connecting port (152) is formed in the top of the wrapping frame body (151), the cleaning pipe (153) is arranged inside the wrapping frame body (151), and the water outlet hole (154) is formed inside the cleaning pipe (153).

6. The flue gas dust removal and desulfurization device for the micro industrial gas boiler, according to claim 5, characterized in that the outer wall of the cleaning pipe (153) is tightly attached to the inner wall of the wrapping frame (151), the outer wall of the wrapping frame (151) is tightly attached to the inner wall of the built-in frame (12), and the wrapping frame (151) is fixedly connected with the built-in frame (12).

7. The flue gas dedusting and desulfurizing device for the micro industrial gas boiler according to claim 1, wherein the spray pipe (5) penetrates through one end of the external tower body (11) and penetrates through the internal frame body (12), a spray header is fixedly connected to one end of the spray pipe (5) positioned inside the internal frame body (12), the flue gas pipe (6) penetrates through one end of the external tower body (11) and penetrates through the internal frame body (12), and the flue gas pipe (6) and the spray pipe (5) are parallel to each other.