CN212640145U - Skid-mounted equipment for pretreatment of kitchen waste leachate - Google Patents
Skid-mounted equipment for pretreatment of kitchen waste leachate Download PDFInfo
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- CN212640145U CN212640145U CN202020896258.5U CN202020896258U CN212640145U CN 212640145 U CN212640145 U CN 212640145U CN 202020896258 U CN202020896258 U CN 202020896258U CN 212640145 U CN212640145 U CN 212640145U
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Abstract
The utility model relates to a skid-mounted device for pretreating kitchen waste leachate, which comprises a box body, wherein a flat plate type solid-liquid separator, a filtrate tank, a three-stage oil-separation sedimentation tank, a combined air flotation tank and a buffer tank are arranged in the box body; the flat-plate solid-liquid separator is used for coagulating micro solid suspended matters in water by adding a flocculating agent and separating the micro solid suspended matters to obtain solid-phase slag and filter pressing liquid; the filtrate box is used for receiving the filter pressing liquid obtained by the treatment of the flat-plate solid-liquid separator; and the third-stage oil separation sedimentation tank is used for receiving the pressure filtrate from the filtrate tank, removing grease in the pressure filtrate and reducing the concentration of solid suspended matters, sending the obtained wastewater to the buffer tank, and collecting sediments separated from the pressure filtrate. The utility model discloses a sled dress formula equipment of rubbish from cooking filtration liquid preliminary treatment adopts sled dress formula to integrate equipment, removes easy dismounting, receives the place restriction little, arranges in a flexible way, can high-efficiently get rid of SS and grease in the waste water, does benefit to follow-up biochemical processing.
Description
Technical Field
The utility model relates to a kitchen garbage handles the field, especially relates to a sled dress formula equipment of surplus landfill leachate preliminary treatment in kitchen.
Background
The kitchen waste is perishable biomass domestic waste, and comprises household kitchen waste such as food material waste, leftovers, overdue food, melon peel and fruit kernel, green plant waste of flowers, traditional Chinese medicine dregs and the like, and organic waste generated in agricultural and sideline product market. Leachate, mainly derived from kitchen garbage, and interstitial water after garbage crushing and dehydration, is generated in the terminal treatment process. The waste water has more complex components, and the water quality has the characteristics of high ammonia nitrogen, high COD, high salinity, high SS, oil content and the like. Particularly aiming at the dispersed kitchen waste treatment equipment in the current market, the treatment capacity is 2-20t/d, the water quantity of the percolate is small, and the treatment difficulty is high.
At present, the pretreatment of the wastewater mostly adopts simple processes such as oil removal, precipitation and the like for pretreatment, most of the pretreated water is discharged to a city sewer pipe network, and certain pressure is undoubtedly caused to a city sewage treatment plant. In addition, due to high oil content and high SS content of the wastewater, the wastewater discharged into a municipal sewer pipe network is easy to cause the blockage of the pipe network and needs to be cleaned regularly. Such pretreatment not only works poorly but also has a very low treatment efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sled dress formula equipment of surplus landfill leachate preliminary treatment in kitchen adopts sled dress formula to integrate equipment, removes easy dismounting, receives the place restriction little, arranges in a flexible way, can get rid of SS and grease in the waste water by the efficient, does benefit to follow-up biochemical processing.
The utility model provides a technical scheme that its technical problem adopted is: a skid-mounted device for pretreating kitchen waste leachate comprises a box body, wherein a flat plate type solid-liquid separator, a filtrate tank, a three-stage oil separation sedimentation tank and a cache tank are arranged in the box body; the flat plate type solid-liquid separator is used for receiving kitchen waste leachate, flocculating tiny suspended solid in water by adding a flocculating agent, and separating the flocculated suspended solid to obtain solid-phase slag and filter pressing liquid; the filtrate tank is used for receiving the filter pressing liquid obtained by the treatment of the flat-plate solid-liquid separator; the third-stage oil separation sedimentation tank is used for receiving the pressure filtrate from the filtrate tank, removing the grease in the pressure filtrate and reducing the concentration of solid suspended matters, and sending the obtained wastewater to the buffer tank; and a mud settling hopper is arranged at the bottom of the third-stage oil-separation sedimentation tank and is used for collecting the sediments separated from the pressure filtrate.
Further, a combined air floatation tank is also arranged in the box body; a sludge settling hopper is arranged at the bottom of the combined air floatation tank and used for receiving the wastewater obtained by the treatment of the three-stage oil separation sedimentation tank, adding a coagulant and a flocculant into the wastewater, further removing suspended solids and residual grease in the wastewater, separating floating slag, and sending the treated wastewater to a buffer tank; and the sludge settling hopper at the bottom of the combined air floatation tank is used for collecting the sediments separated from the wastewater.
Further, still be provided with sludge dewaterer in the box for receive the sediment of tertiary oil proof sedimentation tank bottom and the sediment fill of combination air supporting bottom of the pond bottom, the dross of combination air supporting pond, and filter-press, send the supernatant fluid after the filter-press to the filtrate case, arrange the mud after the filter-press outside.
Furthermore, the three-stage oil separation sedimentation tank, the combined air flotation tank and the buffer tank are in different areas which are formed by an integrated structure.
Furthermore, the top of the three-stage oil separation sedimentation tank, the combined air floatation tank and the buffer tank is provided with an opening; but the top of box is provided with the skylight lid that the switch is respectively in the position that corresponds with the top opening of tertiary oil-separating sedimentation tank, combination air supporting pond and buffer tank.
Furthermore, a plurality of medicine cylinders are arranged in the box body and used for storing the coagulant and the flocculant and conveying the coagulant and the flocculant to the corresponding flat-plate solid-liquid separator or the combined air flotation tank.
Further, the solid-phase slag separated by the flat-plate solid-liquid separator is used for aerobic fermentation through an aerobic fermentation system.
Further, the box body is of a container type structure; the left side and the right side of the door body are provided with side doors; a mounting frame is arranged in the inner part of the bracket; the flat plate type solid-liquid separator and the sludge dewatering machine are arranged at the left position on the mounting rack; an integrated structure consisting of three-stage oil separation sedimentation tanks, a combined air flotation tank and a buffer tank is arranged at the position, close to the rear, on the mounting rack, and the respective sludge settling hoppers of the three-stage oil separation sedimentation tanks and the combined air flotation tank are arranged below the mounting rack; and the filtrate tank is arranged at the position close to the left below the mounting frame.
Furthermore, a walking pedal is arranged at the position, close to the front, of the mounting rack; the end part of the walking pedal is provided with a walking step.
The utility model has the advantages that: the utility model discloses a sled dress formula equipment of surplus landfill leachate preliminary treatment in kitchen adopts the container to sled dress formula integration with each equipment, and the field installation is simple, and the time limit for a project is short, need not structural concrete structure construction to have the characteristic of removal, remove easy dismounting, restricted water in place, arrange in a flexible way; a flat-plate solid-liquid separator is adopted, so that solid suspended matters in the percolate are efficiently removed, the blockage is not easy to occur, and the filter pressing effect on the oily sludge is good; then through a three-stage oil separation sedimentation tank, grease is removed, and solid suspended matters are further removed, so that the subsequent biochemical treatment unit is facilitated to treat; and a combined air flotation tank is added, so that the thoroughness of the pretreatment effect is improved, and the contents of suspended solids and grease in the wastewater are further reduced.
Drawings
FIG. 1 is a schematic perspective view of a skid-mounted apparatus for pretreating kitchen waste leachate according to an embodiment;
FIG. 2 is a schematic perspective view of an internal structure of a skid-mounted device for pretreating kitchen waste leachate according to an embodiment;
FIG. 3 is a schematic perspective view of another angle of the internal structure of the skid-mounted device for pretreating kitchen garbage leachate according to the embodiment;
fig. 4 is a schematic view of a treatment process of a skid-mounted device for pretreatment of kitchen waste leachate according to an embodiment.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, the present embodiment provides a skid-mounted device for pretreating kitchen waste leachate, comprising a tank 1, wherein a flat plate type solid-liquid separator 2, a filtrate tank 3, a three-stage oil separation sedimentation tank 4 and a buffer tank 6 are arranged in the tank 1; the flat plate type solid-liquid separator 2 is used for receiving kitchen waste leachate, flocculating tiny suspended solid in water by adding a flocculating agent, and separating the flocculated suspended solid to obtain solid-phase slag and filter pressing liquid; the filtrate tank 3 is used for receiving the pressure filtrate obtained by the treatment of the flat-plate solid-liquid separator 2; the third-stage oil separation sedimentation tank 4 is used for receiving the pressure filtrate from the filtrate tank 3, removing grease in the pressure filtrate and reducing the concentration of solid suspended matters, and sending the obtained wastewater to the buffer tank 6; and a sludge settling hopper 8 is arranged at the bottom of the third-stage oil-separation sedimentation tank 4 and is used for collecting the sediments separated from the pressure filtrate.
In the skid-mounted device for pretreating kitchen waste leachate of the embodiment, a combined air flotation tank 5 is further arranged in the tank body 1; a sludge settling hopper 8 is arranged at the bottom of the combined air floatation tank 5 and is used for receiving the wastewater treated by the three-stage oil separation sedimentation tank 4, adding a coagulant and a flocculant into the wastewater, further removing solid suspended matters and residual grease in the wastewater, separating floating slag and conveying the treated wastewater to a buffer tank 6; and a sludge settling hopper 8 at the bottom of the combined air flotation tank 5 is used for collecting sediments separated from the wastewater.
In the skid-mounted equipment of kitchen garbage leachate preliminary treatment of this embodiment, still be provided with sludge dewaterer 7 in the box 1 for receive the sediment of the mud bucket of tertiary oil-proof sedimentation tank 4 bottom and 5 bottoms of combination air supporting pond, the dross of combination air supporting pond 5, and carry out the filter-pressing, deliver to filtrate box 3 with the supernatant fluid after the filter-pressing, arrange the mud after the filter-pressing outward.
In the skid-mounted device for pretreating kitchen waste leachate of the embodiment, the three-stage oil separation sedimentation tank 4, the combined air flotation tank 5 and the buffer tank 6 are integrated into a single structure and are divided into different areas.
In the skid-mounted device for pretreating kitchen waste leachate of the embodiment, the tops of the three-stage oil separation sedimentation tank 4, the combined air flotation tank 5 and the buffer tank 6 are open; the top of the box body 1 is provided with switchable skylight covers 105 at positions corresponding to the top openings of the three-level oil separation sedimentation tank 4, the combined air flotation tank 5 and the buffer tank 6 respectively.
In the skid-mounted equipment for pretreating kitchen waste leachate of the embodiment, a cartridge 9 is further arranged in the box body 1, and the number of the cartridge 9 is 3, so that a coagulant, a flocculant and sodium hydroxide are stored.
In the skid-mounted device for pretreating kitchen garbage leachate of the embodiment, solid-phase slag separated by the flat plate type solid-liquid separator 2 is used for aerobic fermentation by an aerobic fermentation system.
In the skid-mounted device for pretreating kitchen waste leachate of the embodiment, the box body 1 is of a container type structure; the left and right sides of the door are provided with side doors 101; a mounting frame 102 is arranged in the inner part; the flat plate type solid-liquid separator 2 and the sludge dewatering machine 7 are arranged on the left position of the mounting frame 102; an integrated structure consisting of three-stage oil separation sedimentation tanks 4, a combined air flotation tank 5 and a buffer tank 6 is arranged at the position close to the rear of the mounting frame 102, and sludge settling hoppers 8 of the three-stage oil separation sedimentation tanks 4 and the combined air flotation tank 5 are arranged below the mounting frame 102; the filtrate tank 3 is installed below the mounting frame 102 at a position close to the left.
In the skid-mounted device for pretreating kitchen waste leachate of the embodiment, a walking pedal 103 is arranged at a position, close to the front, on the mounting frame 102; the end of the walking pedal 103 is provided with a walking step 104.
In the skid-mounted device for pretreating kitchen waste leachate according to the embodiment, an electric control cabinet 10 is mounted on the right position of the mounting frame 102; the devices are connected through pipelines and pumps, the connection of the pipelines and the driving of the pumps are conventional technical means in the field, the specific connection and driving principle is not described herein any more, and the corresponding conveying can be realized; the electric control cabinet is used for controlling the operation of each device, and the electric connection and control principle of the electric control cabinet are conventional technical means in the field, and are not described herein again.
As shown in fig. 4, in the skid-mounted device for pretreating kitchen waste leachate of the embodiment, firstly, the kitchen waste leachate is pumped to a flocculation tank of a flat-plate solid-liquid separator by a water pump, a flocculating agent is added to coagulate tiny SS (suspended solids) in water into large particles, the separated solid-phase residue enters an aerobic fermentation system after passing through the flat-plate solid-liquid separator, a filtrate enters a filtrate tank, the filtrate is pumped to a three-stage oil separation sedimentation tank, and the oil in the wastewater can be effectively removed and SS in the wastewater can be further reduced by three-stage oil separation sedimentation; in order to ensure the thoroughness of the pretreatment effect, a combined air flotation tank is arranged at the back, a sludge settling hopper and a drug adding stirring reaction area are configured, and a coagulant and a flocculating agent are added to further remove SS and residual grease in the wastewater. Wherein the three-level oil separation sedimentation tank, the combined air flotation tank and the buffer tank are of an integrated structure. Scum generated by the three oil separation sedimentation tanks and the combined air flotation tank enters a sludge tank, the supernatant after filter pressing returns to a filtrate tank through a sludge dewatering machine, and the sludge after filter pressing is transported and disposed.
According to the skid-mounted equipment for pretreatment of kitchen waste leachate, all the equipment are skid-mounted and integrated by adopting the container, the field installation is simple, the construction period is short, the construction of structural concrete structures is not needed, the skid-mounted equipment has the characteristic of movement, is convenient to move, disassemble and assemble, is limited by the field to produce water, and is flexible to arrange; a flat-plate solid-liquid separator is adopted, so that solid suspended matters in the percolate are efficiently removed, the blockage is not easy to occur, and the filter pressing effect on the oily sludge is good; then through a three-stage oil separation sedimentation tank, grease is removed, and solid suspended matters are further removed, so that the subsequent biochemical treatment unit is facilitated to treat; and a combined air flotation tank is added, so that the thoroughness of the pretreatment effect is improved, and the contents of suspended solids and grease in the wastewater are further reduced.
The above-mentioned embodiments should not limit the present invention in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a sled dress formula equipment of rubbish from cooking leachate preliminary treatment which characterized in that: the device comprises a box body, wherein a flat plate type solid-liquid separator, a filtrate box, a three-stage oil separation sedimentation tank and a buffer tank are arranged in the box body;
the flat plate type solid-liquid separator is used for receiving kitchen waste leachate, flocculating tiny suspended solid in water by adding a flocculating agent, and separating the flocculated suspended solid to obtain solid-phase slag and filter pressing liquid;
the filtrate tank is used for receiving the filter pressing liquid obtained by the treatment of the flat-plate solid-liquid separator;
the third-stage oil separation sedimentation tank is used for receiving the pressure filtrate from the filtrate tank, removing the grease in the pressure filtrate and reducing the concentration of solid suspended matters, and sending the obtained wastewater to the buffer tank; and a mud settling hopper is arranged at the bottom of the third-stage oil-separation sedimentation tank and is used for collecting the sediments separated from the pressure filtrate.
2. The skid-mounted equipment for pretreating kitchen garbage leachate according to claim 1, wherein the skid-mounted equipment comprises: a combined air floatation tank is also arranged in the box body; a sludge settling hopper is arranged at the bottom of the combined air floatation tank and used for receiving the wastewater obtained by the treatment of the three-stage oil separation sedimentation tank, adding a coagulant and a flocculant into the wastewater, further removing suspended solids and residual grease in the wastewater, separating floating slag, and sending the treated wastewater to a buffer tank; and the sludge settling hopper at the bottom of the combined air floatation tank is used for collecting the sediments separated from the wastewater.
3. The skid-mounted equipment for pretreating kitchen garbage leachate according to claim 2, wherein the skid-mounted equipment comprises: and a sludge dewatering machine is further arranged in the box body and is used for receiving sediments of the sludge hoppers at the bottom of the three-stage oil separation sedimentation tank and the bottom of the combined air floatation tank and scum of the combined air floatation tank, performing filter pressing, conveying supernate after filter pressing to a filtrate tank and discharging sludge after filter pressing.
4. The skid-mounted equipment for pretreating kitchen garbage leachate according to claim 3, wherein the skid-mounted equipment comprises: the three-stage oil separation sedimentation tank, the combined air flotation tank and the buffer tank are in different areas which are formed by an integrated structure.
5. The skid-mounted equipment for pretreating kitchen garbage percolate according to claim 3 or 4, characterized in that: the top parts of the three-stage oil separation sedimentation tank, the combined air flotation tank and the buffer tank are provided with openings; but the top of box is provided with the skylight lid that the switch is respectively in the position that corresponds with the top opening of tertiary oil-separating sedimentation tank, combination air supporting pond and buffer tank.
6. The skid-mounted equipment for pretreating kitchen garbage percolate according to claim 3 or 4, characterized in that: and a plurality of drug cartridges are arranged in the box body and used for storing the coagulant and the flocculant and conveying the coagulant and the flocculant to the corresponding flat-plate solid-liquid separator or the combined air flotation tank.
7. The skid-mounted equipment for pretreating kitchen garbage leachate according to claim 1, wherein the skid-mounted equipment comprises: the solid-phase slag separated by the flat-plate solid-liquid separator is used for aerobic fermentation through an aerobic fermentation system.
8. The skid-mounted equipment for pretreating kitchen garbage leachate according to claim 4, wherein the skid-mounted equipment comprises: the box body is of a container type structure; the left side and the right side of the door body are provided with side doors; a mounting frame is arranged in the inner part of the bracket; the flat plate type solid-liquid separator and the sludge dewatering machine are arranged at the left position on the mounting rack; an integrated structure consisting of three-stage oil separation sedimentation tanks, a combined air floatation tank and a buffer tank is arranged at the position, close to the rear, on the mounting frame, and respective sludge settling hoppers of the three-stage oil separation sedimentation tanks and the combined air floatation tank are arranged below the mounting frame; and the filtrate tank is arranged at the position close to the left below the mounting frame.
9. The skid-mounted equipment for pretreating kitchen garbage leachate according to claim 8, wherein the skid-mounted equipment comprises: a walking pedal is arranged at the position, close to the front, of the mounting rack; the end part of the walking pedal is provided with a walking step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896258.5U CN212640145U (en) | 2020-05-25 | 2020-05-25 | Skid-mounted equipment for pretreatment of kitchen waste leachate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020896258.5U CN212640145U (en) | 2020-05-25 | 2020-05-25 | Skid-mounted equipment for pretreatment of kitchen waste leachate |
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| CN212640145U true CN212640145U (en) | 2021-03-02 |
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| CN202020896258.5U Active CN212640145U (en) | 2020-05-25 | 2020-05-25 | Skid-mounted equipment for pretreatment of kitchen waste leachate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620849A (en) * | 2022-03-22 | 2022-06-14 | 广东省广业装备制造集团有限公司 | Landfill leachate separation detecting system |
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2020
- 2020-05-25 CN CN202020896258.5U patent/CN212640145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620849A (en) * | 2022-03-22 | 2022-06-14 | 广东省广业装备制造集团有限公司 | Landfill leachate separation detecting system |
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