CN210855432U - Novel landfill leachate wet oxidation device - Google Patents
Novel landfill leachate wet oxidation device Download PDFInfo
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- CN210855432U CN210855432U CN201921136940.8U CN201921136940U CN210855432U CN 210855432 U CN210855432 U CN 210855432U CN 201921136940 U CN201921136940 U CN 201921136940U CN 210855432 U CN210855432 U CN 210855432U
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- reactor
- heat exchanger
- pipeline
- communicated
- leachate
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 18
- 238000009279 wet oxidation reaction Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims 5
- 238000004321 preservation Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a novel landfill leachate wet oxidation device, which comprises a reactor, an air compressor, a landfill leachate storage tank, a heat exchanger and a gas-liquid separator; the top of the reactor is provided with a percolate discharge port, one side of the percolate discharge port is provided with a percolate inlet, the outer part of the side wall of the reactor is wrapped with a heat-insulating heating sleeve, a circulating pipe fixed at the bottom of the reactor is arranged inside the reactor, a plurality of liquid circulating inlets for liquid circulation are arranged below the side wall of the circulating pipe, a fixed shaft is arranged in the circulating pipe, and spiral blades are arranged on the fixed shaft; the air compressor is communicated with the interior of the circulating pipe through a pipeline; the bottom of the garbage leachate storage tank is communicated with a booster pump through a pipeline, the booster pump is communicated with a heat exchanger through a pipeline, and the heat exchanger is communicated with a leachate inlet through a pipeline; the gas-liquid separator is communicated with the heat exchanger through a pipeline, and the heat exchanger is also communicated with the percolate discharge port through a pipeline. The utility model discloses can improve mass transfer rate.
Description
Technical Field
The utility model relates to a wet oxidation technical field especially relates to a novel landfill leachate wet oxidation device.
Background
With the sharp increase of the yield of municipal refuse, the current economic treatment method is to perform sanitary landfill on the municipal refuse. The generation of landfill leachate is the biggest problem of sanitary landfill, and the landfill leachate has complex components, high organic matter concentration and variable water quality and water quantity. The wet oxidation method is a process of oxidizing and decomposing organic matters in the wastewater into inorganic matters or small molecular organic matters by using oxygen in the air as an oxidizing agent in a liquid phase system under the conditions of high temperature (125-320 ℃) and high pressure (0.5-20 MPa). Can be used for treating excrement and urine of high-concentration (about 4-6%) organic matter, sewage sludge and factory discharged liquor. Organic matters and ammonia in the sewage are respectively oxidized and decomposed into harmless substances such as CO2, H2O, N2 and the like through air oxidation, so that the aim of purification is fulfilled. However, the conventional wet oxidation treatment device has the problem of insufficient mixing of gas and liquid.
Disclosure of Invention
In order to solve the problem mentioned in the background art, the utility model provides a novel high concentration pharmaceutical chemical industry waste water wet oxidation device can make gas and liquid mix more fully.
A novel landfill leachate wet oxidation device comprises a reactor, an air compressor, a landfill leachate storage tank, a heat exchanger and a gas-liquid separator;
the top of the reactor is provided with a percolate discharge port, one side of the percolate discharge port is provided with a percolate inlet, the outer part of the side wall of the reactor is provided with a heat-insulating heating sleeve, the heat-insulating heating sleeve is wrapped on the outer wall of the reactor, a circulating pipe fixed on the inner wall of the bottom end of the reactor is arranged in the reactor, a plurality of liquid circulating inlets for liquid circulation are arranged below the side wall of the circulating pipe, a fixed shaft fixed on the inner wall of the bottom end of the reactor is arranged in the circulating pipe, and the fixed shaft is provided with a spiral blade;
the air compressor is communicated with the interior of the circulating pipe through a pipeline;
the garbage leachate storage tank is communicated with a booster pump through a pipeline, the booster pump is communicated with a heat exchanger through a pipeline, and the heat exchanger is communicated with a leachate inlet through a pipeline;
the gas-liquid separator is communicated with the heat exchanger through a pipeline, and the heat exchanger is also communicated with the percolate discharge port through a pipeline.
Further, the heat preservation heating jacket is equipped with the heat preservation including the zone of heating of parcel in reactor lateral wall outside, the zone of heating outside is equipped with the heat preservation, zone of heating one side top is equipped with the steam that stretches out the heat preservation and lets in the pipeline, the zone of heating is kept away from one side below that steam lets in the pipeline and is equipped with the steam exhaust pipe who stretches out the heat preservation.
Furthermore, the heat-insulating layer is filled with cellucotton.
Further, the heat exchanger is a shell-and-tube heat exchanger, the tube side of the heat exchanger is used for passing the non-oxidized percolate, and the shell side of the heat exchanger is used for passing the oxidized percolate.
Further, the central axes of the reactor, the circulating pipe and the fixed shaft are coincided.
The utility model has the advantages that:
1. the utility model discloses filtration liquid in the reactor can be at the reactor inner loop flow, can make the mixture of gas and waste water more abundant.
2. The utility model discloses be equipped with helical blade in the circulating pipe of reactor, gas-liquid mixture spiral rising makes gas and liquid mix more evenly, more complete, and reaction efficiency is higher, and reducible gas requires the endless number of times with liquid.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is the reactor, 2 is air compressor, 3 is landfill leachate storage tank, 4 is heat exchanger, 5 is vapour and liquid separator, 6 is the leachate and leads to the mouth, 7 is the leachate discharge port, 801 is the zone of heating, 802 is the heat preservation, 803 is the steam lets in the pipeline, 804 is the steam discharge pipeline, 9 is the circulating pipe, 10 is the liquid circulation import, 11 is the fixed axle, 12 is helical blade, 13 is the booster pump, 14 is the thermometer, 15 is the manometer.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
The novel landfill leachate wet oxidation device comprises a reactor 1, an air compressor 2, a landfill leachate storage tank 3, a heat exchanger 4 and a gas-liquid separator 5;
the top of the reactor 1 is provided with a percolate discharge port 7, one side of the percolate discharge port 7 is provided with a percolate inlet 6, the outside of the side wall of the reactor 1 is provided with a heat-insulating heating sleeve, the heat-insulating heating sleeve is wrapped on the outer wall of the reactor 1, a circulating pipe 9 fixed on the inner wall of the bottom end of the reactor 1 is arranged inside the reactor 1, a plurality of liquid circulating inlets 10 for liquid circulation are arranged below the side wall of the circulating pipe 9, a fixed shaft 11 fixed on the inner wall of the bottom end of the reactor 1 is arranged in the circulating pipe 9, and the fixed shaft;
the air compressor 2 is communicated with the interior of the circulating pipe 9 through a pipeline;
the garbage leachate storage tank 3 is communicated with a booster pump 13 through a pipeline, the booster pump 13 is communicated with the heat exchanger 4 through a pipeline, and the heat exchanger 4 is communicated with the leachate inlet 6 through a pipeline;
the gas-liquid separator 5 is communicated with the heat exchanger 4 through a pipeline, and the heat exchanger 4 is also communicated with the percolate discharge outlet 7 through a pipeline.
The heat preservation heating jacket comprises a heating layer 801 wrapped outside the side wall of the reactor 1, a heat preservation layer 802 is arranged outside the heating layer 801, a steam inlet pipeline 803 extending out of the heat preservation layer 802 is arranged above one side of the heating layer 801, and a steam outlet pipeline 804 extending out of the heat preservation layer 802 is arranged below one side, far away from the steam inlet pipeline 803, of the heating layer 801.
The insulating layer 802 is filled with cellucotton.
The heat exchanger 4 is a shell-and-tube heat exchanger, the tube side of the heat exchanger 4 is used for carrying unoxidized wastewater, and the shell side of the heat exchanger 4 is used for carrying oxidized wastewater.
The central axes of the reactor 1, the circulating pipe 9 and the fixed shaft 11 are superposed.
The top of the reactor 1 is also provided with a thermometer 14 and a pressure gauge 15.
The utility model discloses when concrete implementation: the percolate is pressurized by a booster pump 13 and then sent to a heat exchanger 4 to move along the tube side, then sent to the reactor 1 through a percolate inlet 6, steam is introduced into a steam introduction pipeline 803, air is sent into a circulating pipe 9 by an air compressor 2, the gas-liquid mixture rises by the injection effect of the air, and when the percolate rises to the top end of the circulating pipe 9, the percolate turns to flow downwards continuously to form a circulating flow. Due to the action of the helical blades 12, the gas and the liquid rise spirally, so that the gas and the liquid are mixed more uniformly and completely. When the gas-liquid mixture reaches the top of the reactor 1, the gas-liquid mixture is discharged from a percolate discharge outlet 7, sent to a heat exchanger 4 on the shell side, transfers heat to the percolate on the tube side, and then sent to a gas-liquid separator 5, and the gas and the liquid are discharged separately.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A novel landfill leachate wet oxidation device is characterized by comprising a reactor, an air compressor, a landfill leachate storage tank, a heat exchanger and a gas-liquid separator;
the top of the reactor is provided with a percolate discharge port, one side of the percolate discharge port is provided with a percolate inlet, the outer part of the side wall of the reactor is provided with a heat-insulating heating sleeve, the heat-insulating heating sleeve is wrapped on the outer wall of the reactor, a circulating pipe fixed on the inner wall of the bottom end of the reactor is arranged in the reactor, a plurality of liquid circulating inlets for liquid circulation are arranged below the side wall of the circulating pipe, a fixed shaft fixed on the inner wall of the bottom end of the reactor is arranged in the circulating pipe, and the fixed shaft is provided with a spiral blade;
the air compressor is communicated with the interior of the circulating pipe through a pipeline;
the garbage leachate storage tank is communicated with a booster pump through a pipeline, the booster pump is communicated with a heat exchanger through a pipeline, and the heat exchanger is communicated with a leachate inlet through a pipeline;
the gas-liquid separator is communicated with the heat exchanger through a pipeline, and the heat exchanger is also communicated with the percolate discharge port through a pipeline.
2. The novel landfill leachate wet oxidation device as claimed in claim 1, wherein the heat insulation heating jacket comprises a heating layer wrapped outside the reactor sidewall, a heat insulation layer is arranged outside the heating layer, a steam inlet pipe extending out of the heat insulation layer is arranged above one side of the heating layer, and a steam outlet pipe extending out of the heat insulation layer is arranged below one side of the heating layer away from the steam inlet pipe.
3. The novel landfill leachate wet oxidation device of claim 2, wherein the insulation layer is filled with cellucotton.
4. The novel landfill leachate wet oxidation device of claim 1, wherein the heat exchanger is a shell and tube heat exchanger, wherein the tube side of the heat exchanger carries the leachate which is not oxidized, and the shell side of the heat exchanger carries the leachate which is oxidized.
5. The new landfill leachate wet oxidation device of claim 1, wherein the central axes of the reactor, the circulating pipe and the fixed shaft coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136940.8U CN210855432U (en) | 2019-07-19 | 2019-07-19 | Novel landfill leachate wet oxidation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136940.8U CN210855432U (en) | 2019-07-19 | 2019-07-19 | Novel landfill leachate wet oxidation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855432U true CN210855432U (en) | 2020-06-26 |
Family
ID=71297973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921136940.8U Active CN210855432U (en) | 2019-07-19 | 2019-07-19 | Novel landfill leachate wet oxidation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210855432U (en) |
-
2019
- 2019-07-19 CN CN201921136940.8U patent/CN210855432U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: Room 702b, floor 7, section e, No. 1515, Zhongshan North 2nd Road, Hongkou District, Shanghai 200092 Patentee after: Kaicheng Tonghong Environmental Technology (Shanghai) Co.,Ltd. Address before: 200000 floors 4-5, No. 24, Lane 15, Gudan Road, Xinchang Town, Pudong New Area, Shanghai Patentee before: Shanghai Yaorong Environmental Protection Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: Room 702b, floor 7, section e, No. 1515, Zhongshan North 2nd Road, Hongkou District, Shanghai 200092 Patentee after: Ningbo Kaicheng Environmental Technology Co.,Ltd. Country or region after: China Address before: Room 702b, floor 7, section e, No. 1515, Zhongshan North 2nd Road, Hongkou District, Shanghai 200092 Patentee before: Kaicheng Tonghong Environmental Technology (Shanghai) Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 02, 4th Floor, Building 09, No. 181 Tongda Road, Gulin Town, Haishu District, Ningbo City, Zhejiang Province, 315000 Patentee after: Ningbo Kaicheng Environmental Technology Co.,Ltd. Country or region after: China Address before: Room 702b, floor 7, section e, No. 1515, Zhongshan North 2nd Road, Hongkou District, Shanghai 200092 Patentee before: Ningbo Kaicheng Environmental Technology Co.,Ltd. Country or region before: China |