CN212669263U - Landfill leachate treatment device - Google Patents
Landfill leachate treatment device Download PDFInfo
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- CN212669263U CN212669263U CN202021601116.8U CN202021601116U CN212669263U CN 212669263 U CN212669263 U CN 212669263U CN 202021601116 U CN202021601116 U CN 202021601116U CN 212669263 U CN212669263 U CN 212669263U
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- flue gas
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- landfill leachate
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Abstract
The utility model discloses a garbage leachate treatment device, which comprises a device body, wherein the device body is of a tubular structure, smoke enters and exits from the left side and the right side of the device body, a smoke inlet channel is arranged on the left side of the device body, the right end of the smoke inlet channel is connected with the left end of the device body through a smoke inlet bell mouth, the right end of the device body is connected with a smoke outlet channel through a smoke outlet bell mouth, and a smoke rectifying grid vertical to the air inlet direction is also arranged at the left end part of the device body. The disposal cost is reduced.
Description
Technical Field
The utility model relates to a landfill leachate handles technical field, concretely relates to landfill leachate processing apparatus.
Background
Along with the gradual improvement of the living standard of residents in China, the generation amount of domestic garbage is also gradually increased. Compared with a sanitary landfill and compost treatment method, the household garbage incineration treatment has more obvious advantages in the aspects of reduction, harmlessness, recycling and the like. At present, most of the garbage disposal modes in developed countries and regions are mainly incineration. In recent years, the domestic garbage treatment mode in China is gradually changed from the past landfill to the incineration power generation mode. After the domestic garbage is fermented for 5-7 d in the storage pit, the water content of the garbage is drained, and the combustion heat value is improved, so that the garbage is fully combusted, and the generated energy is increased. At present, in a waste incineration power plant, a leachate treatment process of 'pretreatment + biochemistry + membrane treatment' is generally adopted, and the leachate is treated by the membrane treatment process and then is discharged or recycled up to the standard, and meanwhile, leachate concentrated solution is inevitably generated. The percolate membrane concentrated solution has the characteristics of complex components, poor biodegradability, high organic matter content, high salinity, strong smell, high chroma and hardness and the like, and is difficult to treat.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a landfill leachate processing apparatus to solve the actual problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a landfill leachate processing apparatus, includes the device body, the device body is the tubular structure, and the flue gas is in the left and right sides business turn over of device body, the left side of device body is equipped with into flue gas passageway, the right-hand member of advancing flue gas passageway through advance flue gas horn mouth with the left end of device body is connected, the right-hand member of device body is connected with play flue gas passageway through going out flue gas horn mouth, the left port department of device body still be equipped with inlet direction vertically flue gas rectification grid, be equipped with a plurality of water conservancy diversion infiltration devices in the device body inner wall, the bottom of device body right side end is equipped with the discharge port, the discharge port with sewage pipe connects, be equipped with the bleeder valve on the discharge port.
Further, water conservancy diversion infiltration device includes the flow guide baffle, the flow guide baffle pass through the flow guide baffle mounting with device body fixed connection, the back of flow guide baffle is equipped with a plurality of waste water spray guns, and is a plurality of waste water spray gun bottom all is connected with pipeline, pipeline is connected with industrial water pipeline's one end, the last motorised valve that is equipped with of industrial water pipeline, pipeline is equipped with the infiltration liquid interface.
Furthermore, the upper inner wall and the lower inner wall of the device body are both provided with the diversion infiltration device, the diversion partition plate arranged at the lower part of the device body forms an included angle of 145 degrees with the smoke direction, and the diversion partition plate arranged at the upper part forms an included angle of 45 degrees with the smoke direction.
Further, the lower wall of the device body is provided with an inclined angle which is 10 degrees towards the right side and forms an inclined angle with the horizontal line.
Furthermore, an electric baffle plate door is arranged on the smoke inlet channel.
Furthermore, an electric baffle plate door is arranged at the interface of the smoke outlet channel and the waste incineration smoke treatment system.
Furthermore, a variable frequency fan is arranged in the smoke outlet channel.
(III) advantageous effects
The utility model discloses a landfill leachate processing apparatus for the filtration liquid of msw incineration factory is dealt with, burns the flue gas of burning furnace export through the adoption and as the heat source, carries out the mummification to landfill leachate, compares the present pretreatment commonly used of landfill leachate + biochemical + membrane treatment's technology, relies on the current high temperature flue gas of msw incineration factory, can produce the condition that the leachate concentrate is difficult to handle when having avoided using membrane process to handle, has reduced the cost of dealing with.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the diversion and infiltration apparatus of the present invention.
Illustration of the drawings:
diversion infiltration device A, device body 1, advance flue gas passageway 2, advance flue gas bell mouth 3, flue gas rectification grid 4, go out flue gas bell mouth 5, go out flue gas passageway 6, diversion barrier 7, diversion barrier mounting 8, waste water spray gun 9, pipeline 10, motorised valve 11, discharge port 12, discharge valve 13, sewage pipeline 14, industrial water pipeline 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a landfill leachate processing apparatus, wherein device body 1 is horizontal arranging, adopts wear-resisting anticorrosive high temperature resistant material, and the flue gas advances flue gas passageway 2 from the left side of device body 1 and gets into, goes out from right side play flue gas passageway 6.
The lower part of the device body 1 is inclined by 10 degrees, and a discharge port 12 is arranged, thereby facilitating the discharge of unreacted percolate.
The flue gas rectification grid 4 is arranged at the inlet of the device body 1, so that the uniformity of the flue gas is improved.
The smoke rectification grating 4 is made of wear-resistant, corrosion-resistant and high-temperature-resistant materials, and the size of the grating holes is not less than 5 multiplied by 5 cm.
The flow guide partition plate 7 is made of wear-resistant, corrosion-resistant and high-temperature-resistant materials and is arranged above and below the device body 1. The diversion baffle plate 7 arranged at the lower part of the device body 1 forms an included angle of 145 degrees with the smoke direction, and the upper part of the diversion baffle plate forms an included angle of 45 degrees with the smoke direction, so that the falling of particles in the smoke is reduced.
The guide plate 7 passes through the baffle fixing piece 8, and the baffle fixing piece 8 is arranged for the interval point type, so as not to influence the collection of the infiltration filtrate in the body device 1.
The flue gas of the flue gas inlet channel 2 comes from the outlet of the waste incineration boiler, and an electric baffle door is arranged on the flue gas inlet channel 2. The flue gas inlet channel 2 is followed by the flue gas inlet bell mouth 3, and the flue gas enters the transition section of the device body 1 from the flue gas inlet channel 2, and the use effect of the flue gas rectification grating 4 is improved. The flue gas inlet channel 2 and the flue gas inlet bell mouth 3 are made of wear-resistant, corrosion-resistant and high-temperature-resistant materials, and the temperature resistance is not lower than 850 ℃.
The flue gas of the flue gas outlet channel 6 is sent to a flue gas treatment system for waste incineration, a variable frequency fan is arranged on the flue gas outlet channel 6 to provide attraction for the flue gas of the whole reaction, and a core part of the variable frequency fan is made of wear-resistant, corrosion-resistant and high-temperature-resistant materials; a flue gas outlet bell mouth 5 is arranged in front of the flue gas outlet channel 6 and is used as a transition section for flue gas to enter the flue gas outlet channel 6 from the device body 1; the smoke outlet channel 6 and the smoke outlet bell mouth 5 are made of wear-resistant, corrosion-resistant and high-temperature-resistant materials; an electric baffle plate door is arranged at the interface of the smoke outlet channel 6 and the waste incineration smoke treatment system.
The waste water spray gun 9 is made of wear-resistant and corrosion-resistant materials, and can resist temperature not lower than the internal temperature of the device body 1; the waste water spray gun 9 is arranged at the back of the diversion baffle plate 7, and the atomized particle size is not less than 500 mu m; the percolate conveying pipeline 10 of the waste water spray gun 9 is connected with an industrial water pipeline 15 in parallel, an electric valve 11 is arranged on the industrial water pipeline 15, and the waste water spray gun 9 is washed regularly.
The percolate conveyed by the percolate conveying pipeline 10 is pretreated and is provided with pressure by a variable-frequency conveying pump.
The aperture of the discharge port 12 is not less than 10cm, the discharge port 12 is made of wear-resistant and corrosion-resistant materials, and a discharge valve 13 is arranged on the discharge port 12.
The discharge valve 13 is an electric valve and is opened periodically, and the unreacted percolate is discharged to the percolate pretreatment section through a sewage pipeline 14.
The utility model discloses a concrete theory of operation: after the landfill leachate is pretreated, the particles are controlled at 50mg/L, are conveyed to the wastewater spray gun 9 through the variable-frequency conveying pump and are sprayed into high-temperature flue gas in the device body 1, and the leachate is evaporated by utilizing the heat of the high-temperature flue gas.
The high-temperature flue gas is introduced to the outlet of the garbage incinerator, the temperature is 800-850 ℃, the flue gas enters the device body 1 through the transition section flue gas inlet bell mouth 3 after passing through the flue gas inlet channel 2, and the uniformity of flue gas distribution is improved through the flue gas rectification grating 4.
High temperature flue gas forms one section and receives the restraint section at device body 1 under the effect of guiding diaphragm 7 to make the heat more concentrated, arrange the waste water spray gun 9 leachate in guiding diaphragm 7 back and spout to this section region.
After the high-temperature flue gas finishes the evaporation of the percolate, the high-temperature flue gas returns to a flue gas disposal system of the garbage incinerator through a flue gas outlet bell mouth 5 and a flue gas outlet channel 6.
The drawing amount of the high-temperature flue gas needs to be calculated by the flue gas temperature and the amount of percolate needing to be treated so as to ensure that the percolate is completely evaporated, and the flowing pressure of the high-temperature flue gas is provided by a variable-frequency induced draft fan behind the flue gas outlet channel 6.
The bottom of the body device 1 is inclined by 10 degrees to ensure that percolate which is not completely evaporated is collected in the discharge port 12 under special conditions, is periodically opened by the discharge valve 13 and is discharged into the percolate of the pretreatment section through the sewage pipeline 14 to enter the next treatment stage.
When the device body 1 is in pause operation, the variable frequency induced draft fan and the electric baffle door of the smoke inlet channel 2 and the smoke outlet channel 6 are closed, smoke is blocked from entering the device body 1, the electric valve 11 is started, industrial water is conveyed through the industrial water pipeline 15 to clean the waste water spray gun 9, and the cleaned waste water is collected by the discharge port 12 and discharged to the leachate pretreatment section.
The invention replaces the biochemical and membrane treatment process in the conventional treatment method, utilizes the flue gas at the outlet of the garbage incinerator as a heat source, reduces the disposal cost and solves the problem that the membrane concentrated solution generated by the membrane treatment process is difficult to dispose.
In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily defined to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a landfill leachate processing apparatus which characterized in that: comprises a device body (1), the device body (1) is of a cylindrical structure, smoke enters and exits from the left side and the right side of the device body (1), the left side of the device body (1) is provided with a flue gas inlet channel (2), the right end of the flue gas inlet channel (2) is connected with the left end of the device body (1) through a flue gas inlet bell mouth (3), the right end of the device body (1) is connected with a flue gas outlet channel (6) through a flue gas outlet bell mouth (5), a smoke rectification grid (4) which is vertical to the air inlet direction is arranged at the left port of the device body (1), a plurality of diversion and infiltration devices (A) are arranged in the inner wall of the device body (1), the device is characterized in that a discharge port (12) is formed in the bottom of the right side end of the device body (1), the discharge port (12) is connected with a sewage pipeline (14), and a discharge valve (13) is arranged on the discharge port (12).
2. The landfill leachate treatment plant of claim 1, wherein: water conservancy diversion infiltration device (A) includes flow guide baffle (7), flow guide baffle (7) through flow guide baffle mounting (8) with device body (1) fixed connection, the back of flow guide baffle (7) is equipped with a plurality of waste water spray guns (9), and is a plurality of waste water spray gun (9) bottom all is connected with pipeline (10), pipeline (10) are connected with the one end of industrial water pipeline (15), be equipped with motorised valve (11) on industrial water pipeline (15), pipeline (10) are equipped with the filtration liquid interface.
3. The landfill leachate treatment plant of claim 2, wherein: the upper inner wall and the lower inner wall of the device body (1) are both provided with the diversion infiltration device (A), the diversion partition plate (7) at the lower part of the device body (1) forms an included angle of 145 degrees with the smoke direction, and the diversion partition plate (7) at the upper part forms an included angle of 45 degrees with the smoke direction.
4. The landfill leachate treatment plant of claim 1, wherein: the lower wall of the device body (1) is provided with an inclined angle which is 10 degrees towards the right side and the horizontal line.
5. The landfill leachate treatment plant of claim 1, wherein: an electric baffle plate door is arranged on the smoke inlet channel (2).
6. The landfill leachate treatment plant of claim 1, wherein: an electric baffle plate door is arranged at the interface of the smoke outlet channel (6) and the waste incineration smoke treatment system.
7. The landfill leachate treatment plant of claim 1, wherein: a variable frequency fan is arranged in the smoke outlet channel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021601116.8U CN212669263U (en) | 2020-08-05 | 2020-08-05 | Landfill leachate treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021601116.8U CN212669263U (en) | 2020-08-05 | 2020-08-05 | Landfill leachate treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212669263U true CN212669263U (en) | 2021-03-09 |
Family
ID=74820954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021601116.8U Active CN212669263U (en) | 2020-08-05 | 2020-08-05 | Landfill leachate treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212669263U (en) |
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2020
- 2020-08-05 CN CN202021601116.8U patent/CN212669263U/en active Active
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