CN218107290U - Dry tail gas treatment facility of bentonite - Google Patents
Dry tail gas treatment facility of bentonite Download PDFInfo
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- CN218107290U CN218107290U CN202222114222.9U CN202222114222U CN218107290U CN 218107290 U CN218107290 U CN 218107290U CN 202222114222 U CN202222114222 U CN 202222114222U CN 218107290 U CN218107290 U CN 218107290U
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Abstract
The bentonite drying tail gas treatment equipment comprises a bottom plate, wherein a desulfurization device is installed at one end of the upper end surface of the bottom plate, a neutralization tank is fixedly connected to the middle of the upper end surface of the bottom plate, a transition tank is fixedly connected to the upper end surface of the bottom plate and positioned on one side of the neutralization tank, and a water return tank is fixedly connected to the upper end surface of the bottom plate and positioned on one side of the transition tank; desulphurization unit includes desulfurizing tower and suction pump, bottom plate up end one end fixedly connected with desulfurizing tower, desulfurizing tower up end fixedly connected with air-supply line, bottom plate up end fixedly connected with suction pump, the suction pump is intake and is held through inlet tube and return water pond inner chamber bottom intercommunication. The utility model discloses a cooperation of suction pump among the desulphurization unit combines with sulfur dioxide in with the lime wash suction in the return water pond to the desulfurizing tower each other, then passes through the drain pipe with the calcium sulfate that produces and discharges into in the neutralization pond, discharges into the back, through neutralization pond, transition pond and return water pond, filters sulfur dioxide and gets rid of.
Description
Technical Field
The utility model belongs to the technical field of the dry tail gas processing of bentonite, in particular to dry tail gas processing apparatus of bentonite.
Background
The bentonite (montmorillonite) can be used as a binder, a suspending agent, a thixotropic agent, a stabilizer, a purification decolorant, a filling material, a feed, a catalyst and the like due to good physical and chemical properties, is widely used in the fields of agriculture, light industry, cosmetics, medicines and the like, and is a natural mineral material with wide application;
the raw ore mining of the bentonite generally contains 20-30% of moisture, and the raw ore cannot be directly crushed, so the raw ore is dried by a hot blast stove to realize the moisture content of 12-15%, and the production can be carried out; in the drying process, fuel coal can generate certain flue gas, and sulfur contained in the fuel coal can be synchronously converted into sulfur dioxide to pollute the atmosphere, so that the fuel coal cannot be directly discharged and can be discharged only by passing through a desulfurizing tower and a neutralizing tank;
however, the neutralization product in the process and the neutralization tank still contains partial harmful impurities, further treatment measures for the neutralization impurities are lacked, and the treatment effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dry tail gas treatment facility of bentonite to prior art exists not enough, concrete technical scheme as follows:
the bentonite drying tail gas treatment equipment comprises a bottom plate, wherein a desulfurization device is installed at one end of the upper end surface of the bottom plate, a neutralization tank is fixedly connected to the middle of the upper end surface of the bottom plate, a transition tank is fixedly connected to the upper end surface of the bottom plate and positioned on one side of the neutralization tank, and a water return tank is fixedly connected to the upper end surface of the bottom plate and positioned on one side of the transition tank; desulphurization unit includes desulfurizing tower and suction pump, bottom plate up end one end fixedly connected with desulfurizing tower, desulfurizing tower up end fixedly connected with air-supply line, bottom plate up end fixedly connected with suction pump, the suction pump is intake and is held through inlet tube and return water pond inner chamber bottom intercommunication, the suction pump goes out the water end and has annular shower nozzle through the drain pipe intercommunication, desulfurizing tower inner chamber middle part fixedly connected with annular shower nozzle, terminal surface fixedly connected with discharge tube under the desulfurizing tower, discharge tube one end extends to neutralization pond top.
Further, the bottom plate up end just is located neutralization pond one side and installs the suction filtration device, the bottom plate up end just is located desulphurization unit one side and installs storage device, neutralization pond inner chamber mid-mounting has agitating unit, neutralization pond one side just is located and is provided with first overflow mouth between the transition pond, transition pond one side just is located and is provided with the second overflow mouth between the return water pond.
Further, the suction filtration device comprises a filter press, the upper end face of the bottom plate is located on one side of the neutralization pond and fixedly connected with the filter press, one side of the filter press is fixedly connected with a suction filtration pump, the water inlet end of the suction filtration pump is communicated with the inner cavity of the neutralization pond through a suction filtration pipe, the water outlet end of the suction filtration pump is communicated with one end of the filter press through a drainage filtration pipe, the other end of the filter press is fixedly connected with a drain pipe, and one end of the drain pipe extends to the upper side of the neutralization pond.
Furthermore, the storage device comprises a storage tower, the upper end face of the bottom plate is fixedly connected with the storage tower, the upper end face of the storage tower is fixedly connected with a liquid inlet, the lower end face of the storage tower is fixedly connected with a liquid feeding pipe, and a valve is installed in the inner cavity of the liquid feeding pipe.
Further, agitating unit includes the stirring frame, neutralization pond up end fixedly connected with stirring frame, stirring frame up end fixedly connected with agitator motor, agitator motor output shaft end is rotated through worm cooperation worm wheel and is connected with the (mixing) shaft, the outer surface upper portion fixedly connected with connecting rod of (mixing) shaft, the outer surface middle part fixedly connected with puddler of (mixing) shaft, terminal surface fixedly connected with scraper blade under the (mixing) shaft, terminal surface and neutralization pond inner chamber bottom contact each other under the scraper blade.
Further, agitating unit still includes the stirring leaf, the connecting rod inner chamber both ends are rotated respectively and are connected with the stirring leaf, stirring leaf one end fixedly connected with driven gear, terminal surface fixedly connected with driving gear under the stirring frame, driven gear is connected with the driving gear meshing.
The beneficial effects of the utility model are that:
1. through the cooperation between desulfurizing tower and the suction pump among the desulphurization unit, have certain concentration's calcium oxide suction to the desulfurizing tower in the return water pond, react with sulfur dioxide, generate calcium sulfate, then discharge into neutralization pond through the discharge tube and react with alkali lye neutralization in with, simultaneously through the suction pump with the solution suction to the pressure filter after the neutralization in, then filter the impurity in the solution through the pressure filter, still some solution will enter into the transition pond from first overflow mouth, detach unnecessary impurity through the transition pond, flow into the return water pond through the second overflow mouth at last, circulate once more.
2. When the solution concentration in the later stage return water pool is reduced conveniently through the storage tower in the storage device, the solution concentration in the return water pool can be supplemented in time, so that the solution concentration reaches a balanced state.
3. Realized the stirring to solution through the puddler among the agitating unit, will prevent the sediment of solution through the scraper blade, will realize abundant stirring to solution through stirring leaf cooperation driven gear and driving gear.
Drawings
Fig. 1 shows the overall structure of the present invention;
fig. 2 shows a rear view of the overall structure of the present invention;
fig. 3 shows another view structure diagram of the present invention;
FIG. 4 is a schematic view of the sectional structure of the present invention;
fig. 5 shows a schematic structural diagram of the stirring device of the present invention;
shown in the figure: 1. a base plate; 2. a desulfurization unit; 21. a desulfurizing tower; 22. a water pump; 23. an air inlet pipe; 24. a water inlet pipe; 25. a drain pipe; 26. an annular nozzle; 27. a drain pipe; 3. a neutralization tank; 4. a transition pool; 5. returning to the water pool; 6. a suction filtration device; 61. a filter press; 62. a suction filtration pump; 63. a suction filter tube; 64. a filtration discharge pipe; 65. a blow-off pipe; 7. a storage device; 71. a storage tower; 72. a liquid inlet; 73. a liquid feeding pipe; 8. a stirring device; 81. a stirring frame; 82. a stirring motor; 83. a stirring shaft; 84. a connecting rod; 85. a stirring rod; 86. a squeegee; 87. stirring blades; 88. a driven gear; 89. a driving gear; 9. a first overflow port; 10. a second overflow port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, a bentonite drying tail gas treatment device comprises a bottom plate 1, wherein a desulfurization device 2 is installed at one end of the upper end surface of the bottom plate 1, a neutralization tank 3 is fixedly connected to the middle of the upper end surface of the bottom plate 1, a transition tank 4 is fixedly connected to the upper end surface of the bottom plate 1 and positioned at one side of the neutralization tank 3, and a water return tank 5 is fixedly connected to the upper end surface of the bottom plate 1 and positioned at one side of the transition tank 4; desulphurization unit 2 includes desulfurizing tower 21 and suction pump 22, 1 up end one end fixedly connected with desulfurizing tower 21 of bottom plate, 21 up end fixedly connected with air-supply line 23 in desulfurizing tower, 1 up end fixedly connected with suction pump 22 in bottom plate, suction pump 22 is intake and is held through inlet tube 24 and 5 inner chamber bottoms intercommunications in return water pond, suction pump 22 goes out the water end and has annular shower nozzle 26 through drain pipe 25 intercommunication, 21 inner chamber middle part fixedly connected with annular shower nozzle 26 in desulfurizing tower, 21 lower terminal surface fixedly connected with discharge tube 27 in desulfurizing tower, discharge tube 27 one end extends to 3 tops in the neutralization pond.
Lime liquor in the water return pool is pumped into the desulfurizing tower 21 through the matching of a water suction pump 22 in the desulfurizing device 2 and is combined with sulfur dioxide, then the generated calcium sulfate is discharged into the neutralization pool 3 through a water discharge pipe 25, and after the calcium sulfate is discharged, the sulfur dioxide is filtered and removed through the neutralization pool 3, the transition pool 4 and the water return pool 5.
Through being connected air-supply line 23 one end with external hot-blast furnace, after the connection, the produced flue gas of hot-blast furnace will be discharged into desulfurizing tower 21, at this moment start suction pump 22 through external power, suction pump 22 will be through the cooperation of inlet tube 24 and drain pipe 25 with the aqueous solution suction of certain concentration calcium oxide to annular shower nozzle 26 inner chamber in the return water pond 5, then begin to spout through annular shower nozzle 26, spun solution will react with the sulfur dioxide in the flue gas, generate calcium sulfate, and follow rivers and fall back to desulfurizing tower 21 bottom, discharge into neutralizing tank 3 along discharge pipe 27 at last.
Example 2
As shown in fig. 1-4, on the basis of the first embodiment; the suction filtration device 6 is installed to 1 up end of bottom plate and 3 one sides in and the pond, and storage device 7 is installed to 1 up end of bottom plate and 2 one sides in desulphurization unit that are located, and 3 inner chamber mid-mounting in and the pond have agitating unit 8, and 3 one sides in and the pond of neutralization just are located and are provided with first overflow mouth 9 between the transition pond 4, and 4 one sides in transition pond just are located and are provided with second overflow mouth 10 between the return water pond 5.
Will carry out the suction filtration through suction filtration device 6 to the calcium sulfate in neutralization pond 3, will make things convenient for the later stage to supply the lime wash in neutralization pond 3 through storage device 7, will prevent that the device in the solution from appearing deposiing through agitating unit 8's cooperation, will conveniently through first overflow mouth 9 and second overflow mouth 10 with the intercommunication between neutralization pond 3, transition pond 4 and the return water pond 5.
As shown in fig. 2, 3 and 4, the suction filtration device 6 includes a filter press 61, the upper end surface of the bottom plate 1 is fixedly connected with the filter press 61 on one side of the neutralization tank 3, a suction filtration pump 62 is fixedly connected on one side of the filter press 61, the water inlet end of the suction filtration pump 62 is communicated with the inner cavity of the neutralization tank 3 through a suction filtration pipe 63, the water outlet end of the suction filtration pump 62 is communicated with one end of the filter press 61 through a drainage filtration pipe 64, the other end of the filter press 61 is fixedly connected with a drain pipe 65, and one end of the drain pipe 65 extends to the upper side of the neutralization tank 3.
The suction filtration pump 62 is started by an external power supply, the solution in the neutralization tank 3 is pumped into the filter press 61 by the suction filtration pump 62 through the suction filtration pipe 63 and the discharge filtration pipe 64, at this time, the filter press 61 starts to suction filter the calcium sulfate in the solution, and the waste liquid after suction filtration is discharged into the neutralization tank 3 again through the discharge pipe 65.
As shown in fig. 1 and fig. 2, the storage device 7 includes a storage tower 71, the upper end surface of the bottom plate 1 is fixedly connected with the storage tower 71, the upper end surface of the storage tower 71 is fixedly connected with a liquid inlet 72, the lower end surface of the storage tower 71 is fixedly connected with a liquid feeding pipe 73, and a valve is installed in an inner cavity of the liquid feeding pipe 73.
When the worker detects that the pH value of the lime liquid concentration in the neutralization pond 3 is reduced (generally lower than 9), the worker can open a valve in the inner cavity of the liquid adding pipe 73, at the moment, the saturated lime liquid in the storage tower 71 flows into the neutralization pond 3 along the liquid adding pipe 73, at the moment, the lime liquid concentration in the neutralization pond 3 can be recovered through the saturated lime liquid, and therefore the concentration of the neutralization pond 3 is ensured to be kept unchanged all the time.
As shown in fig. 1 and 5, the stirring device 8 includes a stirring frame 81, the upper end face of the neutralization pond 3 is fixedly connected with the stirring frame 81, the upper end face of the stirring frame 81 is fixedly connected with a stirring motor 82, the output shaft end of the stirring motor 82 is rotatably connected with a stirring shaft 83 through a worm matching worm wheel, the upper part of the outer surface of the stirring shaft 83 is fixedly connected with a connecting rod 84, the middle part of the outer surface of the stirring shaft 83 is fixedly connected with a stirring rod 85, the lower end face of the stirring shaft 83 is fixedly connected with a scraper 86, and the lower end face of the scraper 86 is in contact with the bottom of the inner cavity of the neutralization pond 3.
As shown in fig. 1 and 5, the stirring device 8 further includes a stirring blade 87, two ends of the inner cavity of the connecting rod 84 are respectively and rotatably connected with the stirring blade 87, one end of the stirring blade 87 is fixedly connected with a driven gear 88, the lower end surface of the stirring frame 81 is fixedly connected with a driving gear 89, and the driven gear 88 is meshed with the driving gear 89.
The stirring shaft 83 is driven by the stirring motor 82 to rotate, the connecting rod 84 is driven to rotate, the stirring blade 87 is driven to rotate when the connecting rod 84 rotates, the rotation of the stirring blade 87 is revolution, the driven gear 88 is driven to rotate around the driving gear 89 when the stirring blade 87 rotates, the stirring blade 87 is driven to rotate when the driven gear 88 rotates, and the solution around the neutralization pond 3 is fully stirred when the stirring blade 87 revolves and rotates, so that the precipitation is prevented.
When the utility model is implemented, the utility model,
firstly, one end of an air inlet pipe 23 is connected with an external hot blast stove according to the figures 1-5, after the connection, flue gas generated by the hot blast stove is discharged into a desulfurizing tower 21, at the moment, a water suction pump 22 is started through an external power supply, the water suction pump 22 pumps water solution with certain concentration of calcium oxide in a water return tank 5 into an inner cavity of an annular nozzle 26 through the matching of a water inlet pipe 24 and a water outlet pipe 25, then the water solution is sprayed out through the annular nozzle 26, the sprayed solution reacts with sulfur dioxide in the flue gas to generate calcium sulfate, the calcium sulfate falls back to the bottom of the desulfurizing tower 21 along with water flow, and finally the calcium sulfate is discharged into a neutralizing tank 3 along a water outlet pipe 27;
because the neutralization tank 3 contains saturated lime liquor, the inflowing calcium sulfate is neutralized again, and during neutralization, the suction filter pump 62 is started by an external power supply, the suction filter pump 62 pumps the solution in the neutralization tank 3 into the filter press 61 through the suction filter pipe 63 and the filtering discharge pipe 64, the filter press 61 starts to suction filter the calcium sulfate in the solution, and the waste liquid after suction filtration is discharged into the neutralization tank 3 again through the drainage pipe 65;
when the solution in the neutralization tank 3 rises, the solution in the neutralization tank 3 flows into the transition tank 4 through the first overflow port 9, the impurities which are not filtered can be precipitated through the transition tank 4 due to the saturated lime liquid contained in the transition tank 4, the filtered solution flows into the water return tank 5 through the second overflow port 10 on the transition tank 4, the water return tank 5 is clear water alkali liquor, and the clear water alkali liquor is pumped into the desulfurizing tower 21 through the water suction pump 22 to be subjected to circulating neutralization reaction
When later workers detect that the pH value of the lime liquid concentration in the neutralization pond 3 is reduced (generally lower than 9), the workers can open a valve in the inner cavity of the liquid adding pipe 73, saturated lime liquid in the storage tower 71 flows into the neutralization pond 3 along the liquid adding pipe 73, and the lime liquid concentration in the neutralization pond 3 can be recovered through the saturated lime liquid, so that the concentration of the neutralization pond 3 is always kept unchanged, and the concentration of the neutralization pond 3 is ensured
When calcium sulfate enters the neutralization tank 3, the stirring motor 82 is started by an external power supply to work, when the stirring motor 82 works, the worm is matched with the worm gear to drive the stirring shaft 83 to rotate, when the stirring shaft 83 rotates, the stirring rod 85 and the scraper 86 are driven to rotate, when the stirring rod 85 rotates, stirring is started, when the scraper 86 rotates, sediment on the bottom plate of the neutralization tank 3 is scraped, and therefore sedimentation is prevented, when the stirring shaft 83 is driven by the stirring motor 82 to rotate, the connecting rod 84 is driven to rotate, when the connecting rod 84 rotates the stirring blade 87, the rotation of the stirring blade 87 is revolution, when the stirring blade 87 rotates, the driven gear 88 is driven to rotate around the driving gear 89, when the driven gear 88 rotates, the stirring blade 87 is driven to rotate, and when the stirring blade 87 revolves and rotates, the solution around the neutralization tank 3 is fully stirred, and therefore sedimentation is prevented.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, but rather, the appended claims are intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (6)
1. The utility model provides a dry tail gas treatment facility of bentonite, includes bottom plate (1), its characterized in that: a desulfurization device (2) is installed at one end of the upper end face of the bottom plate (1), a neutralization tank (3) is fixedly connected to the middle of the upper end face of the bottom plate (1), a transition tank (4) is fixedly connected to the upper end face of the bottom plate (1) and positioned on one side of the neutralization tank (3), and a return water tank (5) is fixedly connected to the upper end face of the bottom plate (1) and positioned on one side of the transition tank (4);
desulphurization unit (2) include desulfurizing tower (21) and suction pump (22), bottom plate (1) up end one end fixedly connected with desulfurizing tower (21), desulfurizing tower (21) up end fixedly connected with air-supply line (23), bottom plate (1) up end fixedly connected with suction pump (22), suction pump (22) are intake and are held through inlet tube (24) and return water pond (5) inner chamber bottom intercommunication, suction pump (22) are gone out the water end and are had annular shower nozzle (26) through drain pipe (25) intercommunication, desulfurizing tower (21) inner chamber middle part fixedly connected with annular shower nozzle (26), terminal surface fixedly connected with discharge tube (27) under desulfurizing tower (21), discharge tube (27) one end extends to well pond (3) top.
2. The bentonite drying tail gas treatment equipment according to claim 1, characterized in that: bottom plate (1) up end just is located and installs suction filter device (6) in pond (3) one side, bottom plate (1) up end just is located desulphurization unit (2) one side and installs storage device (7), well pond (3) inner chamber mid-mounting has agitating unit (8), well pond (3) one side just is located and is provided with first overflow mouth (9) between transition pond (4), transition pond (4) one side just is located and is provided with second overflow mouth (10) between return water pond (5).
3. The bentonite drying tail gas treatment equipment according to claim 2, characterized in that: suction filtration device (6) include pressure filter (61), bottom plate (1) up end just is located neutralization pond (3) one side fixedly connected with pressure filter (61), pressure filter (61) one side fixedly connected with suction filtration pump (62), suction filtration pump (62) are intake and are held through suction filtration pipe (63) and neutralization pond (3) inner chamber intercommunication, suction filtration pump (62) play water end is through arranging worry pipe (64) and pressure filter (61) one end intercommunication, pressure filter (61) other end fixedly connected with blow off pipe (65), blow off pipe (65) one end extends to neutralization pond (3) top.
4. The bentonite drying tail gas treatment equipment according to claim 2, characterized in that: storage device (7) are including storage tower (71), bottom plate (1) up end fixedly connected with storage tower (71), storage tower (71) up end fixedly connected with inlet (72), terminal surface fixedly connected with liquid feeding pipe (73) under storage tower (71), the valve is installed to liquid feeding pipe (73) inner chamber.
5. The bentonite drying tail gas treatment equipment according to claim 2, characterized in that: agitating unit (8) are including stirring frame (81), terminal surface fixedly connected with stirring frame (81) on neutralization pond (3), terminal surface fixedly connected with agitator motor (82) on stirring frame (81), agitator motor (82) output shaft end is rotated through worm cooperation worm wheel and is connected with (mixing) shaft (83), (mixing) shaft (83) surface upper portion fixedly connected with connecting rod (84), (mixing) shaft (83) surface middle part fixedly connected with puddler (85), terminal surface fixedly connected with scraper blade (86) under (mixing) shaft (83), terminal surface and neutralization pond (3) inner chamber bottom contact each other under scraper blade (86).
6. The bentonite drying tail gas treatment equipment according to claim 5, characterized in that: agitating unit (8) still include stirring leaf (87), connecting rod (84) inner chamber both ends rotate respectively and are connected with stirring leaf (87), stirring leaf (87) one end fixedly connected with driven gear (88), terminal surface fixedly connected with driving gear (89) under stirring frame (81), driven gear (88) are connected with driving gear (89) meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114222.9U CN218107290U (en) | 2022-08-12 | 2022-08-12 | Dry tail gas treatment facility of bentonite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114222.9U CN218107290U (en) | 2022-08-12 | 2022-08-12 | Dry tail gas treatment facility of bentonite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218107290U true CN218107290U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222114222.9U Active CN218107290U (en) | 2022-08-12 | 2022-08-12 | Dry tail gas treatment facility of bentonite |
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| Country | Link |
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| CN (1) | CN218107290U (en) |
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2022
- 2022-08-12 CN CN202222114222.9U patent/CN218107290U/en active Active
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