CN212262856U - Landfill leachate handles sodium hydroxide scrubbing tower - Google Patents
Landfill leachate handles sodium hydroxide scrubbing tower Download PDFInfo
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- CN212262856U CN212262856U CN202020155595.9U CN202020155595U CN212262856U CN 212262856 U CN212262856 U CN 212262856U CN 202020155595 U CN202020155595 U CN 202020155595U CN 212262856 U CN212262856 U CN 212262856U
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Abstract
A sodium hydroxide gas washing tower for treating landfill leachate comprises a tower body, a drain pipe, a circulating pipe, an air inlet pipe, a packing layer, spray trays, a flow baffle plate, a cooling pipe and an air outlet which are sequentially arranged in the tower body from bottom to top, wherein the air inlet pipe is uniformly provided with a plurality of airflow dispersion openings along the circumference at the inner end of the tower body, the number of the spray trays is three, the bottom of the side wall of the tower body is provided with the circulating pipe, the circulating pipe passes through a filtering device and a water suction pump A and then is connected with the top of the side wall of an alkali liquor tank, the alkali liquor tank is internally provided with a main liquid inlet pipe extending to the bottom of the alkali liquor tank, the main liquid inlet pipe is provided with a water suction pump B, the main liquid inlet pipe is provided with a branch liquid inlet pipe, the branch liquid inlet pipe is connected with the spray trays, spray nozzles are uniformly arranged below the spray trays, the cross section of the flow baffle plate, the top of the tower body is provided with an air outlet. The utility model has the advantages of simple operation and good treatment effect.
Description
Technical Field
The utility model relates to a landfill leachate handles technical field, concretely relates to landfill leachate handles sodium hydroxide scrubbing tower.
Background
The landfill leachate is high-concentration organic wastewater which is formed by deducting the saturated water holding capacity of garbage and a soil covering layer from water contained in the garbage in a garbage landfill, rain, snow and water entering the landfill and other water and passing through the garbage layer and the soil covering layer. Landfill leachate is high-concentration organic wastewater with complex components, and if the high-concentration organic wastewater is directly discharged into the environment without treatment, serious environmental pollution is caused. For the purpose of protecting the environment, it is essential to treat the leachate. The organic acids separated from the waste are often carried with the gas discharged from the concentrated waste permeate and this waste gas needs to be treated to be discharged to the environment, otherwise it will cause pollution to the surrounding environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a landfill leachate treatment sodium hydroxide scrubbing tower rational in infrastructure, the treatment effect is good.
The technical scheme of the utility model as follows: the utility model relates to a landfill leachate handles sodium hydroxide scrubbing tower, its characterized in that: the tower comprises a tower body, wherein the tower body is a cylinder, and a water drain pipe, a circulating pipe, an air inlet pipe, a packing layer, a spray disc, a flow baffle plate, a cooling pipe and an air outlet are sequentially arranged in the tower body from bottom to top; the drain pipe is arranged at the bottom end of the side wall of the tower body, and a valve is arranged on the drain pipe; the air inlet pipe is an L-shaped pipe, the horizontal part of the air inlet pipe penetrates through the tower body and extends to the outside, the vertical part of the air inlet pipe faces downwards, and a plurality of airflow dispersion ports are uniformly formed in the bottom of the vertical part of the air inlet pipe along the circumference; the number of the spray trays is three, the spray trays are parallel to each other, the upper and lower distances between the adjacent spray trays are equal, the bottom of the side wall of the tower body is provided with the circulating pipe, the circulating pipe passes through a filtering device and a water suction pump A and then is connected with the top of the side wall of an alkali liquor tank, the water suction pump A pumps water out of the tower body, a liquid inlet main pipe extending to the bottom of the alkali liquor tank is arranged in the alkali liquor tank, a water suction pump B is arranged on the liquid inlet main pipe, the water suction pump B pumps water to the tower body, the liquid inlet main pipe is divided into three liquid inlet branch pipes, the liquid inlet branch pipes respectively penetrate through the tower body and are connected with the spray trays; the cross section of the flow baffle is herringbone, the front end and the rear end of the flow baffle are connected with the inner wall of the tower body, a gap is reserved between the left end and the right end of the flow baffle and the inner wall of the tower body, a flow collecting port is arranged below the gap on the inner wall of the tower body, the flow collecting port is larger than the gap, a flow guide pipe is arranged on the outer wall of the tower body, one end of the flow guide pipe is communicated with the flow collecting port, and the other end of the flow guide pipe is communicated with the upper part of the; the top in the tower body is parallel to the flow baffle plate, the cooling pipe is arranged at the top in the tower body, the cooling pipe is folded upwards along the top in the tower body, a water conduit penetrating out of the tower body and connected with a water source is arranged at the lowest part of the cooling pipe, a water outlet pipe penetrating out of the tower body is arranged at the highest part of the cooling pipe, and a water suction pump C for injecting water into the tower body is arranged on the water conduit; the top of the tower body is provided with the air outlet.
The spray tray comprises a fixed pipe, a supporting pipe, a first output tray, a second output tray, a third output tray and a sprayer, wherein the fixed pipe is arranged on the round edge of the cross section in the tower body, the outer side of the fixed pipe is connected with the inner wall of the tower body, the inner diameter of the first output tray is smaller than that of the second output tray, the inner diameter of the second output tray is smaller than that of the third output tray, the first output tray, the second output tray and the third output tray are concentric with the circle and are adjacent to each other in interval, the supporting pipes are symmetrically arranged on the inner wall of the fixed pipe and are communicated with the first output tray, the second output tray and the third output tray, and the sprayer is uniformly arranged at the bottoms of the first output tray, the second output tray and the third output tray along the direction of the round edge.
Four support tubes are arranged on one spray disc.
The opening of the draft tube at the lower side in the tower body faces and is close to the inner wall of the tower body.
And a filter plate is arranged on the air outlet.
The top of lye tank is equipped with the feed inlet, the lateral wall bottom of lye tank is equipped with the drain hole, the lateral wall lower part of lye tank is equipped with and probes into the inside pH meter of lye tank.
The utility model discloses the beneficial technological effect who has: the utility model discloses can effectively detach the organic acid that probably accompanies in the waste gas, the treatment effect is good, and the even diffusion of waste gas in the tower body has just got into in the air current dispersion mouth help in the intake pipe sprays the sodium hydroxide flush fluid through the three-layer shower, can effectively cover the filling layer, improves the treatment effeciency, reduces the moisture in the exhaust waste gas in advance through keeping off class board and cooling tube, reduces gas temperature simultaneously, improves the security.
Drawings
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a bottom view of the spray plate of the present invention.
In the figure: 1-tower body, 2-water discharge pipe, 3-circulation pipe, 4-air inlet pipe, 41-air flow dispersion port, 5-packing layer, 6-spray tray, 61-fixed pipe, 62-support pipe, 63-first output tray, 64-second output tray, 65-third output tray, 66-spray head, 7-baffle plate, 8-cooling pipe, 9-air outlet, 10-valve, 11-filter device, 12-water pump A, 13-water pump B, 14-water pump C, 15-main liquid inlet pipe, 16-branch liquid inlet pipe, 17-gap, 18-collecting port, 19-guide pipe, 20-water guide pipe, 21-water outlet pipe, 22-filter plate, 23-alkali liquor tank, 24-feed port, 25-discharge port, 26-pH meter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to fig. 3, the utility model relates to a landfill leachate handles sodium hydroxide scrubbing tower, its characterized in that: the tower comprises a tower body 1, wherein the tower body 1 is a cylinder, and a water drain pipe 2, a circulating pipe 3, an air inlet pipe 4, a packing layer 5, a spraying disc 6, a flow baffle 7, a cooling pipe 8 and an air outlet 9 are sequentially arranged in the tower body 1 from bottom to top; the drain pipe 2 is arranged at the bottom end of the side wall of the tower body 1, and a valve 10 is arranged on the drain pipe 2; the air inlet pipe 4 is an L-shaped pipe, the horizontal part of the air inlet pipe 4 penetrates through the tower body 1 and extends to the outside, the vertical part of the air inlet pipe 4 faces downwards, and a plurality of airflow dispersing openings 41 are uniformly formed in the bottom of the vertical part of the air inlet pipe 4 along the circumference; the number of the spray trays 6 is three, the spray trays 6 are parallel to each other, the upper and lower distances between the adjacent spray trays 6 are equal, the bottom of the side wall of the tower body 1 is provided with a circulating pipe 3, the circulating pipe 3 passes through a filtering device 11 and a water suction pump A12 and then is connected with the top of the side wall of the alkali liquor tank 23, the water suction pump A12 pumps water out of the tower body 1, a liquid inlet main pipe 15 extending to the bottom of the alkali liquor tank 23 is arranged in the alkali liquor tank 23, the liquid inlet main pipe 15 is provided with a water suction pump B13, the water suction pump B13 pumps water to the tower body 1, the liquid inlet main pipe 15 is divided into three liquid inlet branch pipes 16, the liquid inlet branch; the cross section of the flow baffle 7 is in a shape of Chinese character 'ji', the front end and the rear end of the flow baffle 7 are connected with the inner wall of the tower body 1, a gap 17 is left between the left end and the right end of the flow baffle 7 and the inner wall of the tower body 1, a flow collecting port 18 is arranged on the inner wall of the tower body 1 below the gap 17, the flow collecting port 18 is larger than the gap 17, a flow guide pipe 19 is arranged on the outer wall of the tower body 1, one end of the flow guide pipe 19 is communicated with the flow collecting; the top in the tower body 1 is parallel to the flow baffle 7, the top in the tower body 1 is provided with a cooling pipe 8, the cooling pipe 8 is folded upwards along the top in the tower body 1, the lowest part of the cooling pipe 8 is provided with a water conduit 20 which penetrates out of the tower body 1 and is connected with a water source, the highest part of the cooling pipe 8 is provided with a water outlet pipe 21 which penetrates out of the tower body 1, and the water conduit 20 is provided with a water suction pump C14 which injects water into the tower body 1; the top of the tower body 1 is provided with an air outlet 9.
The spray tray 6 comprises a fixed pipe 61, a support pipe 62, a first output tray 63, a second output tray 64, a third output tray 65 and spray heads 66, the fixed pipe 61 is along the circular edge of the cross section in the tower body 1, the outer side of the fixed pipe 61 is connected with the inner wall of the tower body 1, the inner diameter of the first output tray 63 is smaller than that of the second output tray 64, the inner diameter of the second output tray 64 is smaller than that of the third output tray 65, the first output tray 63, the second output tray 64 and the third output tray 65 are concentric and have equal adjacent intervals, the support pipes 62 are symmetrically arranged on the inner wall of the fixed pipe 61, the support pipes 62 are communicated with the first output tray 63, the second output tray 64 and the third output tray 65, and the spray heads 66 are uniformly arranged at the bottoms of the first output tray 63, the second output tray 64 and the third output tray 65 along the circular edge direction.
Four support tubes 62 are provided on one shower plate 6.
The opening of the draft tube 19 at the lower side of the tower body 1 faces and is close to the inner wall of the adjacent tower body 1.
A filter plate 22 is arranged on the air outlet 9.
The top of the lye tank 23 is provided with a feeding port 24, the bottom of the side wall of the lye tank 23 is provided with a discharging port 25, and the lower part of the side wall of the lye tank 23 is provided with a pH meter 26 which is inserted into the lye tank 23.
The working principle of the example is as follows:
waste gas enters the tower body 1 from the gas inlet pipe 4, the gas inlet flow dispersing ports 41 uniformly diffuse around, alkali liquor is injected into the spraying disc 6 after passing through the liquid inlet main pipe 15 and the liquid inlet branch pipe 16 under the action of the water suction pump B13, the spraying nozzles 66 generate uniform alkali liquor spray, the packing layer 5 below is covered in all directions, no dead angle exists in the spraying range of the alkali liquor spray by the three layers of spraying discs 6, when the waste gas passes through the spraying discs 6 and then reaches the flow baffle plate 7, the waste gas flows upwards along the flow baffle plate 7 to the gap 17 and then leaves the tower body 1 from the gas outlet 9 through the cooling pipe 8, in the process, because the cooling water with lower temperature is introduced into the cooling pipe 8, the temperature of the waste gas is reduced under the influence of heat exchange, after some originally gasified components in the gas are liquefied again, the gas flows into the flow collecting ports 18 along the inner wall of the tower body 1 or the flow baffle plate 7 and then falls, the lower end of the draft tube 19 opens towards and is close to the inner wall of the tower body 1 to reduce the probability that the exhaust gas passes through the spray tray 6 and then directly goes upwards along the draft tube 19. The filter plate 22 on the air outlet 9 is used for blocking external impurities from entering the tower body 1. The alkali liquor spray is converged into liquid drops after passing through the packing layer 5, finally falls to the bottom in the tower body 1, and enters the alkali liquor tank 23 through the filtering device 11 along the circulating pipe 3 under the action of the water suction pump A12, and the alkali liquor in the alkali liquor tank 23 returns to the spraying disc 6 along the liquid inlet main pipe 15 and the liquid inlet branch pipe 16 under the action of the water suction pump B13, so that the alkali liquor requirement of the spraying work can be continuously met.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a landfill leachate handles sodium hydroxide scrubbing tower which characterized in that: the tower comprises a tower body, wherein the tower body is a cylinder, and a water drain pipe, a circulating pipe, an air inlet pipe, a packing layer, a spray disc, a flow baffle plate, a cooling pipe and an air outlet are sequentially arranged in the tower body from bottom to top; the drain pipe is arranged at the bottom end of the side wall of the tower body, and a valve is arranged on the drain pipe; the air inlet pipe is an L-shaped pipe, the horizontal part of the air inlet pipe penetrates through the tower body and extends to the outside, the vertical part of the air inlet pipe faces downwards, and a plurality of airflow dispersion ports are uniformly formed in the bottom of the vertical part of the air inlet pipe along the circumference; the number of the spray trays is three, the spray trays are parallel to each other, the upper and lower distances between the adjacent spray trays are equal, the bottom of the side wall of the tower body is provided with the circulating pipe, the circulating pipe passes through a filtering device and a water suction pump A and then is connected with the top of the side wall of an alkali liquor tank, the water suction pump A pumps water out of the tower body, a liquid inlet main pipe extending to the bottom of the alkali liquor tank is arranged in the alkali liquor tank, a water suction pump B is arranged on the liquid inlet main pipe, the water suction pump B pumps water to the tower body, the liquid inlet main pipe is divided into three liquid inlet branch pipes, the liquid inlet branch pipes respectively penetrate through the tower body and are connected with the spray trays; the cross section of the flow baffle is herringbone, the front end and the rear end of the flow baffle are connected with the inner wall of the tower body, a gap is reserved between the left end and the right end of the flow baffle and the inner wall of the tower body, a flow collecting port is arranged below the gap on the inner wall of the tower body, the flow collecting port is larger than the gap, a flow guide pipe is arranged on the outer wall of the tower body, one end of the flow guide pipe is communicated with the flow collecting port, and the other end of the flow guide pipe is communicated with the upper part of the; the top in the tower body is parallel to the flow baffle plate, the cooling pipe is arranged at the top in the tower body, the cooling pipe is folded upwards along the top in the tower body, a water conduit penetrating out of the tower body and connected with a water source is arranged at the lowest part of the cooling pipe, a water outlet pipe penetrating out of the tower body is arranged at the highest part of the cooling pipe, and a water suction pump C for injecting water into the tower body is arranged on the water conduit; the top of the tower body is provided with the air outlet.
2. The sodium hydroxide scrubbing tower for landfill leachate treatment according to claim 1, wherein: the spray tray comprises a fixed pipe, a supporting pipe, a first output tray, a second output tray, a third output tray and a sprayer, wherein the fixed pipe is arranged on the round edge of the cross section in the tower body, the outer side of the fixed pipe is connected with the inner wall of the tower body, the inner diameter of the first output tray is smaller than that of the second output tray, the inner diameter of the second output tray is smaller than that of the third output tray, the first output tray, the second output tray and the third output tray are concentric with the circle and are adjacent to each other in interval, the supporting pipes are symmetrically arranged on the inner wall of the fixed pipe and are communicated with the first output tray, the second output tray and the third output tray, and the sprayer is uniformly arranged at the bottoms of the first output tray, the second output tray and the third output tray along the direction of the round edge.
3. The sodium hydroxide scrubbing tower for landfill leachate treatment according to claim 2, wherein: four support tubes are arranged on one spray disc.
4. The sodium hydroxide scrubbing tower for landfill leachate treatment according to claim 1, wherein: the opening of the draft tube at the lower side in the tower body faces and is close to the inner wall of the tower body.
5. The sodium hydroxide scrubbing tower for landfill leachate treatment according to claim 1, wherein: and a filter plate is arranged on the air outlet.
6. The sodium hydroxide scrubbing tower for landfill leachate treatment according to claim 1, wherein: the top of lye tank is equipped with the feed inlet, the lateral wall bottom of lye tank is equipped with the drain hole, the lateral wall lower part of lye tank is equipped with and probes into the inside pH meter of lye tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020155595.9U CN212262856U (en) | 2020-02-07 | 2020-02-07 | Landfill leachate handles sodium hydroxide scrubbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020155595.9U CN212262856U (en) | 2020-02-07 | 2020-02-07 | Landfill leachate handles sodium hydroxide scrubbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212262856U true CN212262856U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020155595.9U Active CN212262856U (en) | 2020-02-07 | 2020-02-07 | Landfill leachate handles sodium hydroxide scrubbing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212262856U (en) |
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2020
- 2020-02-07 CN CN202020155595.9U patent/CN212262856U/en active Active
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