CN215610544U - Combined fixed bed desulfurization reactor based on solid particle desulfurizer - Google Patents
Combined fixed bed desulfurization reactor based on solid particle desulfurizer Download PDFInfo
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- CN215610544U CN215610544U CN202121295697.1U CN202121295697U CN215610544U CN 215610544 U CN215610544 U CN 215610544U CN 202121295697 U CN202121295697 U CN 202121295697U CN 215610544 U CN215610544 U CN 215610544U
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Abstract
The utility model relates to the technical field of industrial flue gas desulfurization, in particular to a combined fixed bed desulfurization reactor based on a solid particle desulfurizer, which comprises a reactor unit and a middle flue, wherein the reactor unit is arranged in two rows and is arranged on two sides of the middle flue, unit lift valves are arranged in the reactor unit, the number of the reactor units to be put into operation is controlled by the unit lift valves, bypass lift valves and bypass pipes are arranged in the middle flue, and the cut-in or cut-off of the whole combined reactor is controlled by the bypass lift valves. The combined fixed bed desulfurization reactor based on the solid particle desulfurizer can realize online desulfurizer replacement, reactor unit quantity adjustment and accident bypass pipe arrangement, and increases the adjustable type of equipment operation, so that the system operation is more stable, the consumption of the desulfurizer can be reduced, the operation cost is saved, and the arrangement is compact.
Description
Technical Field
The utility model relates to the technical field of industrial flue gas desulfurization, in particular to a combined fixed bed desulfurization reactor based on a solid particle desulfurizer.
Background
Along with the increasing attention of the country to the environmental protection work and the corresponding improvement of the environmental standard, higher requirements are put forward for the industrial flue gas desulfurization work, along with the development of the desulfurization technology in China, new materials, new technologies and the specific application of new processes are improved, the fixed bed dry desulfurization with calcium agent solid particles as a desulfurizing agent is one of the new desulfurization processes, but most fixed bed dry desulfurization reactors applied in the industry at present have design defects. Such as: when the system is started, condensed water is separated out from the flue gas in the reactor due to low temperature of the flue gas, so that the problems of desulfurization agent failure accidents and the like caused by the fact that the desulfurization agent is wet and pulverized by calcium agent solid particles occur. Therefore, the development of a fixed bed dry desulfurization reactor which can adapt to actual working conditions, is convenient to operate and adjust and has high desulfurization efficiency is particularly urgent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combined fixed bed desulfurization reactor based on a solid particle desulfurizing agent.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a combination formula fixed bed desulfurization reactor based on solid particle desulfurizer, includes reactor unit and puts the flue in, the reactor unit arranges according to two rows, and it arranges in putting flue both sides in, and the inside of reactor unit is provided with the unit poppet valve, relies on unit poppet valve control reactor unit quantity of will putting into operation, the inside of putting the flue in is provided with bypass poppet valve and bypass pipe, and relies on the cutting or the excision of bypass poppet valve control whole combination formula reactor, the top of reactor unit is provided with the desulfurization feed inlet, and the top of desulfurization feed inlet is equipped with loading attachment, the reactor unit includes: unit lift valve, desulfurization feed inlet, desulfurizer layer, orifice plate type awl fill, rectification grid and discharge opening, put the flue in including: the device comprises a raw flue gas main pipe, a regulating valve, a flue gas inlet, a feeding device, a flue gas outlet, a flue gas purifying main pipe, a bypass lift valve and a bypass pipe.
Preferably, a plurality of bypass pipes are arranged between the raw flue gas main pipe and the clean flue gas main pipe, the clean flue gas main pipe is communicated with the flue gas outlet, and the tail ends of the bypass pipes are communicated with bypass poppet valves.
Preferably, the reactor unit is communicated with the middle flue, and the number of the reactor units is several.
Preferably, the reactor unit is internally provided with a perforated plate type cone hopper serving as a tray of the desulfurizer layer, the perforated plate type cone hopper is communicated with the discharge opening, the perforated plate type cone hopper is composed of perforated plates, and the perforated plates are in a square hole structure.
Preferably, the discharge opening is arranged inside a rectifying grating, and the structure of the rectifying grating is in a plate structure form.
Preferably, the inlet of the reactor unit is provided with a regulating valve, the regulating valve is communicated with the smoke inlet, and the regulating valve is in the form of a butterfly plate valve.
Preferably, the reactor unit outlet is provided with a unit poppet valve.
The utility model has at least the following beneficial effects:
the combined fixed bed desulfurization reactor based on the solid particle desulfurizer can realize online desulfurizer replacement, reactor unit quantity adjustment and accident bypass pipe arrangement, increases the adjustable type of equipment operation, achieves more stable and reliable system operation, can reduce the consumption of the desulfurizer, saves the operation cost, and has compact arrangement, small occupied area and investment saving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an internal schematic view of the present invention;
FIG. 4 is a schematic view of the structure of the built-in flue of the present invention.
In the figure: 1. a unit poppet valve; 2. a desulfurization feed port; 3. a reactor unit; 4. a desulfurizing agent layer; 5. an orifice-plate type cone hopper; 6. a rectifying grid; 7. a discharge opening; 8. a raw flue gas main pipe; 9. adjusting a valve; 10. a smoke inlet; 11. a feeding device; 12. a smoke outlet; 13. a clean flue gas main pipe; 14. a bypass poppet valve; 15. a bypass pipe; 16. and a flue is arranged in the middle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-4, a combined fixed bed desulfurization reactor based on solid particle desulfurizer, including reactor unit 3 and built-in flue 16, reactor unit 3 arranges according to two rows, it arranges in built-in flue 16 both sides, reactor unit 3's inside is provided with unit poppet valve 1, rely on unit poppet valve 1 to control the reactor unit 3 quantity of will putting into operation, built-in flue 16's inside is provided with bypass poppet valve 14 and bypass pipe 15, and rely on bypass poppet valve 14 to control cutting into or excision of whole combined reactor, reactor unit 3's top is provided with desulfurization feed inlet 2, and the top of desulfurization feed inlet 2 is equipped with loading attachment 11, reactor unit 3 includes: unit poppet valve 1, desulfurization feed inlet 2, desulfurizer layer 4, orifice plate type awl fill 5, rectification grid 6, discharge opening 7, put the flue 16 in and include: the device comprises a raw flue gas main pipe 8, a regulating valve 9, a flue gas inlet 10, a feeding device 11, a flue gas outlet 12, a clean flue gas main pipe 13, a bypass lift valve 14 and a bypass pipe 15.
The scheme has the following working processes: the combined fixed bed desulfurization reactor based on the solid particle desulfurizer consists of a plurality of reactor units 3 and a middle flue 16, wherein all the reactor units 3 are arranged in two rows and are respectively arranged at two sides of the middle flue 16, and the desulfurizer is transported to the top of each reactor unit 3 by a feeding device 11 and is added into each reactor unit 3 through a desulfurization feeding hole 2; the desulfurization product is discharged from the discharge opening 7 of the reactor unit 3, the flue gas to be purified enters the combined fixed bed desulfurization reactor from the central raw flue gas main pipe 8, and the flue gas is uniformly distributed to each reactor unit 3 by utilizing the regulating valve 9 under the matching of the flue gas inlet 10. In the reactor unit 3, the flue gas passes through the rectifying and rectifying grating 6 and then uniformly passes through the hole plate type conical hopper 5 to enter the desulfurizer layer 4, after SO2 in the flue gas reacts with the desulfurizer and is removed, the purified flue gas is discharged from the unit lift valve 1 to the outside of the clean flue gas main pipe 13, when the desulfurizer needs to be replaced, the inlet regulating valve 9 of a single reactor unit 3 and the corresponding outlet unit lift valve 1 of the reactor unit 3 are closed, at the moment, the reactor unit 3 is in an off-line state, the desulfurizer can be replaced without stopping the machine, when the original flue gas amount at the inlet of the system is less than a design value, the inlet regulating valves 9 of the single or multiple reactor units 3 and the corresponding outlet unit lift valves 1 of the reactor unit 3 can be closed, at the moment, the reactor unit 3 is in an off-line state, the consumption of the desulfurizer is reduced while the standard discharge of the system is ensured, and the running cost is saved; when the water content of the flue gas to be treated is high or the reactor is in accident, a bypass lift valve 14 of a central flue 16 system can be opened, and the flue gas to be purified enters a clean flue gas main pipe 13 of the reactor from a central raw flue gas main pipe 8 through a bypass pipe 15 to be discharged, so that the desulfurizer is prevented from being damaged.
According to the working process, the following steps are known:
this combination formula fixed bed desulfurization reactor based on solid particle desulfurizer can realize changing the desulfurizer on line, adjustable reactor unit 3 quantity and be provided with accident bypass pipe 15, has increased the adjustable type of equipment operation to reach that the system operation is more stable, more reliable, can also reduce the consumption of desulfurizer, save the working costs, and arrange compactly, area is little, saves the investment.
Furthermore, a plurality of bypass pipes 15 are arranged between the raw flue gas main pipe 8 and the clean flue gas main pipe 13, the clean flue gas main pipe 13 is communicated with the flue gas outlet 12, and the tail ends of the bypass pipes 15 are communicated with bypass poppet valves 14.
Further, the reactor unit 3 is communicated with the middle flue 16, and a plurality of reactor units 3 are arranged.
Further, the inside of the reactor unit 3 is provided with a perforated plate type cone hopper 5 as a tray of the desulfurizer layer 4, the perforated plate type cone hopper 5 is communicated with the discharge opening 7, the perforated plate type cone hopper 5 is composed of perforated plates, and the structure of the perforated plates is a square hole structure.
Further, the discharge opening 7 is arranged inside the rectifying grating 6, and the structure of the rectifying grating 6 is in a plate structure form.
Further, a regulating valve 9 is provided at the inlet of the reactor unit 3, and the regulating valve 9 is communicated with the smoke inlet 10, and the regulating valve 9 is provided in the form of a butterfly plate valve.
Further, the outlet of the reactor unit 3 is provided with a unit poppet 1.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The combined fixed bed desulfurization reactor based on the solid particle desulfurizer comprises reactor units (3) and a middle flue (16), and is characterized in that the reactor units (3) are arranged in two rows and are arranged on two sides of the middle flue (16), unit lift valves (1) are arranged inside the reactor units (3), the number of the reactor units (3) to be put into operation is controlled by the unit lift valves (1), bypass lift valves (14) and bypass pipes (15) are arranged inside the middle flue (16), the cutting-in or cutting-off of the whole combined reactor is controlled by the bypass lift valves (14), a desulfurization feed inlet (2) is arranged above the reactor units (3), a feeding device (11) is arranged above the desulfurization feed inlet (2), and the reactor units (3) comprise: unit poppet valve (1), desulfurization feed inlet (2), desulfurizer layer (4), orifice plate type awl fill (5), rectification grid (6) and discharge opening (7), put flue (16) in and include: the device comprises a raw flue gas main pipe (8), a regulating valve (9), a flue gas inlet (10), a feeding device (11), a flue gas outlet (12), a flue gas cleaning main pipe (13), a bypass lift valve (14) and a bypass pipe (15).
2. The combined fixed bed desulfurization reactor based on solid particle desulfurization agent of claim 1, characterized in that a plurality of bypass pipes (15) are arranged between said raw flue gas main pipe (8) and said clean flue gas main pipe (13), and said clean flue gas main pipe (13) is communicated with said flue gas outlet (12), and the ends of said bypass pipes (15) are communicated with bypass poppet valves (14).
3. The combined fixed bed desulfurization reactor based on solid particle desulfurization agent according to claim 1, characterized in that said reactor unit (3) is connected with a centrally disposed flue (16), and a plurality of reactor units (3) are provided.
4. The combined fixed bed desulfurization reactor based on solid particle desulfurization agent according to claim 1, characterized in that the reactor unit (3) is internally provided with a perforated plate-type cone hopper (5) and serves as a tray for the desulfurization agent layer (4), the perforated plate-type cone hopper (5) is communicated with the discharge opening (7), the perforated plate-type cone hopper (5) is composed of perforated plates, and the structure of the perforated plates is configured as a square hole-shaped structure.
5. A combined fixed bed desulfurization reactor based on solid particulate desulfurization agent according to claim 1, characterized in that said discharge opening (7) is provided inside a rectifying grid (6), and the structure of said rectifying grid (6) is provided in the form of a plate-type structure.
6. A combined fixed bed desulfurization reactor based on solid particulate desulfurization agent, according to claim 1, characterized in that the inlet of said reactor unit (3) is provided with a regulating valve (9), and the regulating valve (9) is communicated with the flue gas inlet (10), and the regulating valve (9) is provided in the form of butterfly plate valve.
7. A combined fixed bed desulfurization reactor based on solid particulate desulfurization agent according to claim 1, characterized in that the outlet of said reactor unit (3) is provided with a unit lift valve (1).
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| CN202121295697.1U CN215610544U (en) | 2021-06-10 | 2021-06-10 | Combined fixed bed desulfurization reactor based on solid particle desulfurizer |
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| CN202121295697.1U CN215610544U (en) | 2021-06-10 | 2021-06-10 | Combined fixed bed desulfurization reactor based on solid particle desulfurizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117815856A (en) * | 2024-01-05 | 2024-04-05 | 凯佛瑞(上海)化工有限公司 | Desulfurization and denitrification filter and application method thereof |
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2021
- 2021-06-10 CN CN202121295697.1U patent/CN215610544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117815856A (en) * | 2024-01-05 | 2024-04-05 | 凯佛瑞(上海)化工有限公司 | Desulfurization and denitrification filter and application method thereof |
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