CN216223781U - Compact fixed bed desulphurization unit - Google Patents
Compact fixed bed desulphurization unit Download PDFInfo
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- CN216223781U CN216223781U CN202122518703.1U CN202122518703U CN216223781U CN 216223781 U CN216223781 U CN 216223781U CN 202122518703 U CN202122518703 U CN 202122518703U CN 216223781 U CN216223781 U CN 216223781U
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- desulfurization
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Abstract
The utility model relates to a compact fixed bed desulfurization device, which comprises a shell, a desulfurization powder wall arranged in the shell, a smoke inlet arranged at the lower part of the shell and a smoke outlet arranged at the upper part of the shell, wherein the desulfurization powder wall comprises steel grating plates and desulfurization agents arranged in the steel grating plates, and a desulfurization channel is arranged in the shell. The utility model changes the flat chemical agent of the traditional fixed bed into a vertical chemical wall, greatly increases the direct contact area of the chemical agent and the flue gas, reduces the ventilation resistance, has small occupied area, simultaneously can prolong the use time of the chemical agent to the maximum extent under the condition of ensuring the flue gas index to be qualified by arranging the flue gas serial pipe, can open the fan serial pipe valve under the condition of smaller resistance of the early-stage desulfurization device, directly flows the flue gas to the outlet of the fan after passing through the desulfurization tower, does not start the fan, reduces the equipment operation cost, creates larger economic benefit for enterprises, and has better application and popularization values.
Description
Technical Field
The utility model relates to the technical field of desulfurization, in particular to a compact fixed bed desulfurization device.
Background
The existing gas tunnel kiln desulfurization method of sanitary ceramic production enterprises mainly adopts nano-based powder injection desulfurization, calcium-based powder injection desulfurization and fixed bed desulfurization, wherein the required reaction temperature of the powder injection is higher by about 150 ℃, which is 90-110 ℃ higher than the normal exhaust temperature of the tunnel kiln, the powder injection desulfurization method has poor use effect under the condition of insufficient temperature, a desulfurization agent cannot fully react with the flue gas, so that the utilization rate of the desulfurization agent is low, if the exhaust temperature is heated to about 150 ℃, great energy waste can be caused, a dust removal system needs to be installed at the rear stage of the powder injection desulfurization, the occupied area is large, the material consumption is high, the energy consumption of a dust removal fan is high, and in short, the application of the powder injection desulfurization process in the sanitary ceramic gas tunnel kiln has certain limitation.
The existing fixed bed desulfurization is a novel desulfurization mode, the desulfurization agent is calcium-based granular material, and the flue gas passes through a particle gap during use, so that the desulfurization agent has a certain volume, the flue gas stays in a desulfurizing agent for enough time, and the reaction of sulfur dioxide and the flue gas is completed. The loading of the desulfurization agent is generally large due to the long retention time of the flue gas, resistance is generated by the agent when the flue gas is desulfurized, the requirement on the thickness of the agent is met, a certain amount of dust is contained in the flue gas, and the dust is accumulated in gaps of the desulfurization agent during use to increase the resistance of a desulfurization tower, so that a larger ventilation area is needed to avoid the resistance increase caused by the accumulation of the dust, and therefore the floor area of the traditional fixed bed is generally large, and the one-time investment cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provide a compact fixed bed desulfurization device, which reduces equipment investment, occupied area and equipment operating cost while ensuring desulfurization effect.
The utility model is realized by the following technical scheme:
the utility model provides a compact fixed bed desulphurization unit, its characterized in that includes the casing, locates the desulfurization medicine wall in the casing, locates the inlet flue of casing lower part and locates the exhaust port on casing upper portion, the desulfurization medicine wall includes the steel grating and locates the desulfurization medicament in the steel grating, be equipped with the desulfurization passageway in the casing.
According to the technical scheme, preferably, the desulfurization drug walls are arranged in a plurality of groups side by side.
According to the above technical scheme, preferably, the desulfurization channel includes lower baffle of rigid coupling in desulfurization medicine wall lower extreme one side and upper baffle of rigid coupling in desulfurization medicine wall upper end opposite side, baffle and last baffle and shells inner wall rigid coupling down, it is the flue gas chamber to lie in baffle below down in the casing, it is the gas-purifying chamber to lie in the baffle top of going up in the casing.
According to the technical scheme, preferably, the desulfurization powder feeding device further comprises a dosing device arranged at two ends of the desulfurization powder wall, wherein the dosing device comprises a distribution conical hopper communicated above the desulfurization powder wall, a dosing conical hopper fixedly connected with the upper end of the distribution conical hopper and a discharging conical hopper communicated below the desulfurization powder wall.
According to the above technical scheme, preferably, the dosing device further comprises a frame fixedly connected above the housing and a travelling crane arranged in the frame.
According to the above technical scheme, preferably, the smoke inlet is outwardly communicated with a smoke inlet pipe, the smoke outlet is outwardly communicated with a smoke exhaust pipe, and the smoke exhaust pipe is provided with a centrifugal fan.
According to the above technical scheme, preferably, the centrifugal fan comprises a fan outlet, a fan string pipe is arranged between the smoke exhaust pipeline and the fan outlet, and a valve is arranged on the fan string pipe.
According to the above technical scheme, preferably, a flue gas serial pipe is arranged between the flue gas inlet pipeline and the flue gas exhaust pipeline, and a valve is arranged on the flue gas serial pipe.
According to the technical scheme, preferably, through holes are distributed in the steel grating plate and are arranged obliquely upwards.
The utility model has the beneficial effects that:
the utility model changes the flat chemical agent of the traditional fixed bed into a vertical chemical wall, greatly increases the direct contact area of the chemical agent and the flue gas, reduces the ventilation resistance, has small occupied area, simultaneously can prolong the use time of the chemical agent to the maximum extent under the condition of ensuring the flue gas index to be qualified by arranging the flue gas serial pipe, can open the fan serial pipe valve under the condition of smaller resistance of the early-stage desulfurization device, directly flows the flue gas to the outlet of the fan after passing through the desulfurization tower, does not start the fan, reduces the equipment operation cost, creates larger economic benefit for enterprises, and has better application and popularization values.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic front view of the medicated device portion of the present invention.
Fig. 3 is a schematic top view of the present invention.
FIG. 4 is a schematic gas flow diagram of flue gas in a desulfurization unit.
In the figure: 1. an upper partition plate; 2. a cloth cone hopper; 3. a housing; 4. a desulfurization powder wall; 5. a smoke outlet; 6. a steel grating; 7. a lower partition plate; 8. a discharge cone hopper; 9. a smoke inlet; 10. driving a vehicle; 11. a frame; 12. a dosing cone hopper; 13. flue gas serial pipes; 14. a smoke inlet pipeline; 15. a centrifugal fan; 16. a smoke exhaust duct; 17. and the fans are connected in series.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in the figure, the desulfurization device comprises a shell 3, a desulfurization powder wall 4 arranged in the shell 3, a smoke inlet 9 arranged at the lower part of the shell 3 and a smoke outlet 5 arranged at the upper part of the shell 3, wherein a heat insulation layer is arranged outside the shell 3, the desulfurization powder wall 4 comprises steel grating plates 6 and desulfurization agents arranged in the steel grating plates 6, and a desulfurization channel is arranged in the shell 3 and enables smoke to enter from the smoke inlet 9 and to be discharged from the smoke outlet 5 after passing through the desulfurization powder wall 4. In this example the desulfurization powder wall 4 is provided with the multiunit side by side, supports each other through shaped steel between each desulfurization powder wall 4, makes the flue gas get into casing 3 in, accessible multiunit is parallelly connected sets up desulfurization powder wall 4 and accomplishes the flue gas desulfurization operation simultaneously, improves desulfurization efficiency. The utility model changes the flat chemical agent of the traditional fixed bed into a vertical chemical wall, greatly increases the direct contact area of the chemical agent and the flue gas, reduces the ventilation resistance, has small floor area, simultaneously, the arrangement of the flue gas serial pipe 13 can prolong the use time of the chemical agent to the maximum extent under the condition of ensuring the flue gas index to be qualified, the arrangement of the fan serial pipe 17 can open the valve of the fan serial pipe 17 under the condition of smaller resistance of the early-stage desulfurization device, the flue gas directly flows to the fan outlet after passing through the desulfurization tower without starting, reduces the equipment operation cost, creates larger economic benefit for enterprises, and has better application and popularization values.
According to the above embodiment, preferably, the desulfurization channel includes lower baffle 7 of rigid coupling in desulfurization medicine wall 4 lower extreme one side and upper baffle 1 of rigid coupling in desulfurization medicine wall 4 upper end opposite side, baffle 7 and upper baffle 1 and the inner wall rigid coupling of casing 3 down, it is flue gas chamber to lie in baffle 7 below down in casing 3, it is the gas-purifying chamber to lie in the upper baffle 1 top in casing 3. After the flue gas enters the flue gas chamber from the flue gas inlet 9, the flue gas enters from one side of the bottom of the desulfurization agent wall 4 without the lower partition plate 7, and the upper end of one side of the desulfurization agent wall 4 without the lower partition plate 7 is fixedly connected with the upper partition plate 1, so that the flue gas needs to pass through the desulfurization agent wall 4 and enters the gas purifying chamber from one side of the upper part of the desulfurization agent wall 4 without the upper partition plate 1.
According to the above embodiment, preferably, the desulfurization device further comprises a dosing device disposed at two ends of the desulfurization powder wall 4, wherein the dosing device comprises a distribution cone hopper 2 communicated above the desulfurization powder wall 4, a dosing cone hopper 12 fixedly connected with the upper end of the distribution cone hopper 2, and a discharge cone hopper 8 communicated below the desulfurization powder wall 4. In addition, charge device still includes rigid coupling in the frame 11 of casing 3 top and locate the driving 10 in the frame 11, and the push-pull valve is installed to 8 bottoms of the awl fill of unloading, and driving 10 rail mounting is directly over adding medicine awl fill 12, and driving 10 rail cover a plurality of medicine awl fill 12, has the push-pull valve between adding medicine awl fill 12 and desulfurization medicine wall 4. Open the push-pull valve at charge device top during changing dressings, open the slow medicament of emitting in gap with the push-pull valve of medicine wall bottom, hang by the driving 10 simultaneously and get desulfurization medicament top-down utilize gravity one by one to load the medicament for desulfurization medicine wall 4, constantly supply the medicament for top with medicine awl fill 12 and guarantee that desulfurization agent wall 4 is interior desulfurizer is full of, seal the push-pull valve of desulfurization medicine wall 4 top and bottom after filling, can guarantee to produce while changing dressings, do not influence production and normally go on.
According to the above embodiment, preferably, the smoke inlet 9 is outwardly communicated with a smoke inlet duct 14, the smoke outlet 5 is outwardly communicated with a smoke exhaust duct 16, the smoke exhaust duct 16 is provided with a centrifugal fan 15, and the smoke exhaust duct 16 and the smoke inlet duct 14 are both provided with butterfly valves.
According to the above embodiment, preferably, the centrifugal fan 15 includes a fan outlet, a fan serial pipe 17 is disposed between the smoke exhaust duct 16 and the fan outlet, and a valve is disposed outside the fan serial pipe 17. The valve in this example preferably uses the butterfly valve, the equipment uses the initial stage, the space between the desulfurization medicament is comparatively loose, the medicine wall resistance is little, open the ventilation butterfly valve on fan cluster pipe 17, the flue gas directly discharges after leaving the desulfurizing tower, along with the particulate matter in the flue gas is mended by desulfurization medicine wall 4 gradually, the resistance that the flue gas passed the medicine wall increases gradually, need close the ventilation valve of fan cluster pipe 17 after reaching the limit, centrifugal fan 15 opens, desulphurization unit's import and export all are equipped with pressure sensor, automatic control system passes through the pressure signal control fan converter of sensor in order to guarantee desulphurization unit's normal operating.
According to the above embodiment, preferably, a smoke serial pipe 13 is arranged between the smoke inlet pipeline 14 and the smoke outlet pipeline 16, and a valve is arranged on the smoke serial pipe 13. The valve in this example preferably uses a butterfly valve, adjusts the ventilation butterfly valve opening of the flue gas serial pipe 13 to adjust the flow of the flue gas through the desulphurization device, and on the premise of ensuring to meet the emission standard, a part of the flue gas does not pass through the desulphurization device, thereby prolonging the service life of the desulphurization agent to the maximum extent.
According to the above embodiment, preferably, the steel grating 6 is distributed with through holes, the through holes are arranged obliquely upward, in this example, the inclination angle is preferably 45 °, which not only ensures sufficient ventilation area, but also ensures that the desulfurization agent does not leak.
In the actual working process, the valve of the smoke inlet pipeline 14 is opened, the smoke of the tunnel kiln enters the smoke chamber at the bottom of the desulfurization device through the smoke inlet pipeline 14, partial sulfur dioxide in the smoke is removed by the chemical reaction of the smoke and the medicament in the desulfurization channel through the desulfurization drug wall 4 due to the blocking of the partition plate, and the smoke with qualified sulfur content enters the air purifying chamber and is discharged through the smoke discharge pipeline 16.
The utility model changes the flat chemical agent of the traditional fixed bed into a vertical chemical wall, greatly increases the direct contact area of the chemical agent and the flue gas, reduces the ventilation resistance, has small floor area, simultaneously, the arrangement of the flue gas serial pipe 13 can prolong the use time of the chemical agent to the maximum extent under the condition of ensuring the flue gas index to be qualified, the arrangement of the fan serial pipe 17 can open the valve of the fan serial pipe 17 under the condition of smaller resistance of the early-stage desulfurization device, the flue gas directly flows to the fan outlet after passing through the desulfurization tower without starting, reduces the equipment operation cost, creates larger economic benefit for enterprises, and has better application and popularization values.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a compact fixed bed desulphurization unit, its characterized in that includes the casing, locates the desulfurization medicine wall in the casing, locates the inlet flue of casing lower part and locates the exhaust port on casing upper portion, the desulfurization medicine wall includes the steel grating and locates the desulfurization medicament in the steel grating, be equipped with the desulfurization passageway in the casing.
2. The compact fixed bed desulfurization unit of claim 1, wherein the desulfurization walls are arranged in a plurality of groups side by side.
3. The compact fixed bed desulfurization device of claim 2, wherein the desulfurization channel comprises a lower partition plate fixedly connected to one side of the lower end of the desulfurization powder wall and an upper partition plate fixedly connected to the other side of the upper end of the desulfurization powder wall, the lower partition plate and the upper partition plate are fixedly connected to the inner wall of the housing, a flue gas chamber is formed below the lower partition plate in the housing, and a gas purification chamber is formed above the upper partition plate in the housing.
4. The compact fixed bed desulfurization device of claim 1, further comprising dosing devices disposed at both ends of the desulfurization powder wall, wherein the dosing devices comprise a distribution cone hopper communicated above the desulfurization powder wall, a dosing cone hopper fixedly connected with the upper end of the distribution cone hopper, and a discharge cone hopper communicated below the desulfurization powder wall.
5. The compact fixed bed desulfurization unit of claim 4, wherein the dosing unit further comprises a frame fixedly connected to the top of the housing and a traveling crane disposed in the frame.
6. The compact fixed bed desulfurization unit of claim 1, wherein the flue gas inlet is outwardly connected to a flue gas inlet duct, the flue gas outlet is outwardly connected to a flue gas outlet duct, and the flue gas outlet duct is provided with a centrifugal fan.
7. The compact fixed bed desulfurization unit of claim 6, wherein the centrifugal fan comprises a fan outlet, a fan serial pipe is arranged between the smoke exhaust pipe and the fan outlet, and a valve is arranged on the fan serial pipe.
8. The compact fixed bed desulfurization unit of claim 6, wherein a flue gas cross pipe is arranged between the flue gas inlet pipe and the flue gas outlet pipe, and a valve is arranged on the flue gas cross pipe.
9. A compact fixed bed desulfurization unit according to any one of claims 1 to 8, characterized in that the steel grating is distributed with through holes, which are disposed obliquely upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518703.1U CN216223781U (en) | 2021-10-20 | 2021-10-20 | Compact fixed bed desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518703.1U CN216223781U (en) | 2021-10-20 | 2021-10-20 | Compact fixed bed desulphurization unit |
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| Publication Number | Publication Date |
|---|---|
| CN216223781U true CN216223781U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122518703.1U Active CN216223781U (en) | 2021-10-20 | 2021-10-20 | Compact fixed bed desulphurization unit |
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| CN (1) | CN216223781U (en) |
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2021
- 2021-10-20 CN CN202122518703.1U patent/CN216223781U/en active Active
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