CN209759236U - Domestic waste leachate oil removal and slag removal device - Google Patents
Domestic waste leachate oil removal and slag removal device Download PDFInfo
- Publication number
- CN209759236U CN209759236U CN201920175960.XU CN201920175960U CN209759236U CN 209759236 U CN209759236 U CN 209759236U CN 201920175960 U CN201920175960 U CN 201920175960U CN 209759236 U CN209759236 U CN 209759236U
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- oil
- baffle
- water
- purification tank
- separating area
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- 239000002893 slag Substances 0.000 title claims abstract description 18
- 239000010791 domestic waste Substances 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000000746 purification Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 5
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 5
- 239000003830 anthracite Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000149 chemical water pollutant Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The utility model provides an oil and slag removal device for domestic garbage leachate, which comprises a purification tank, a water inlet pipe and a water outlet pipe, wherein a first oil baffle, a second oil baffle and a third oil baffle are sequentially and vertically arranged in the purification tank along the flowing direction of the leachate, the top of the purification tank vertically extends downwards and is provided with a gap with the bottom of the purification tank, the purification tank is sequentially divided into a first oil separating area, a second oil separating area, a third oil separating area and a water producing area by the first oil baffle, the second oil baffle and the third oil baffle, the water inlet pipe is communicated with the first oil separating area, a first oil collecting groove is arranged in the first oil separating area, a second oil collecting groove is arranged in the second oil separating area, an oil absorbing layer is arranged in the third oil separating area, and the oil absorbing layer is positioned below the liquid level of the purification tank and is higher than the bottom of the third oil baffle, the water outlet pipe is communicated with the water producing area.
Description
Technical Field
The utility model relates to a refuse treatment field especially relates to a domestic waste filtration liquid oil removal dross removal mechanism.
Background
At present, domestic garbage collected in China contains a large amount of kitchen garbage, oil in the kitchen garbage can enter garbage leachate in the garbage compression process, and as the garbage leachate has high pollutant concentration, the existing treatment technology mainly adopts 'pretreatment + biochemical treatment + membrane advanced treatment'. The oil in the leachate enters a later-stage membrane advanced treatment process to cause the problem of membrane blockage, and the solid impurities in the leachate enter a treatment system to cause the problem of system pipeline blockage. In order to solve the problems, the company develops an oil separation and slag removal device for domestic garbage leachate and sets the oil separation and slag removal device at the pretreatment stage of a leachate treatment system, and the oil separation and solid impurities in the garbage leachate are removed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a domestic waste filtration liquid oil removal dross removal mechanism to reach the purpose of getting rid of oil and solid impurity in the filtration liquid.
The utility model discloses a realize like this:
the utility model provides an oil and slag removal device for domestic garbage leachate, which comprises a purification tank, a water inlet pipe and a water outlet pipe, wherein a first oil baffle, a second oil baffle and a third oil baffle are sequentially and vertically arranged in the purification tank along the flowing direction of the leachate, the first oil baffle, the second oil baffle and the third oil baffle all vertically extend downwards from the top of the purification tank and are provided with gaps with the bottom of the purification tank, the purification tank is sequentially divided into a first oil separating area, a second oil separating area, a third oil separating area and a water producing area by the first oil baffle, the second oil baffle and the third oil baffle, the water inlet pipe is communicated with the first oil separating area, a first oil collecting layer is arranged in the first oil separating area, a second oil collecting layer is arranged in the second oil separating area, the first oil collecting layer and the second oil collecting layer are horizontally arranged and are positioned in the liquid level of the purification tank, the first oil baffle and the second oil baffle extend to the lower ends of the first oil receiving groove and the second oil receiving groove respectively, the extending directions of the first oil receiving groove and the second oil receiving groove are perpendicular to the flowing direction of percolate, the side walls of the first oil receiving groove and the second oil receiving groove facing the direction of the percolate are provided with oil permeating parts, an oil absorbing layer is arranged in the third oil separating area and is located below the liquid level of the purification tank and higher than the bottom of the third oil baffle, and the water outlet pipe is communicated with the water producing area.
Preferably, a first water baffle and a second water baffle are respectively arranged in the second oil separating area and the third oil separating area, the first water baffle and the second water baffle both extend upwards from the bottom of the purification tank vertically and are lower than the liquid level of the purification tank, the first oil baffle and the first water baffle are partially overlapped along the flow direction of percolate, a first channel is formed between the first oil baffle and the first water baffle, the second oil baffle and the second water baffle are partially overlapped along the flow direction of percolate, and a second channel is formed between the second oil baffle and the second water baffle.
Preferably, the domestic garbage leachate oil removal and slag removal device further comprises a hydraulic screen, the hydraulic screen is over against the outlet of the water inlet pipe, and the position of the hydraulic screen is higher than the liquid level of the purification tank.
Preferably, the first oil separating area, the second oil separating area and the third oil separating area are provided with access holes.
Preferably, the oil removal and slag removal device for the domestic garbage leachate further comprises an oil collecting pipe and an oil collecting groove, and the first oil collecting groove and the second oil collecting groove are communicated with the oil collecting groove through the oil collecting pipe.
Preferably, the oil sump is disposed outside the purification tank.
Preferably, the oil absorption layer is filled with anthracite filler.
The utility model discloses following beneficial effect has:
1. The utility model provides a domestic waste filtration liquid oil removal dross removal mechanism includes hydraulic sieve, oil receiving groove and oil absorption layer, can reach the effect of getting rid of impurity and oil content in the landfill leachate simultaneously, provides better preliminary treatment effect for subsequent processing unit, reduces subsequent processing unit burden.
2. The utility model provides a domestic waste filtration liquid oil removal dross removal mechanism includes hydraulic sieve, oil receiving groove and oil absorption layer, has had the effect in grid and oil removal pond concurrently, and area is little.
3. The utility model provides a domestic waste filtration liquid oil removal dross removal mechanism has simple structure, easy and simple to handle, characteristics that the energy consumption is low, and the practicality is strong, has better economic benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an oil-separating and slag-removing device for domestic garbage leachate provided by an embodiment of the utility model;
fig. 2 is a top view of the domestic waste leachate oil and slag removal device provided by the embodiment of the utility model.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides an oil-separating and slag-removing device for domestic garbage leachate, which comprises a purification tank, a water inlet pipe 1 and a water outlet pipe 2, wherein a first oil baffle 3, a second oil baffle 4 and a third oil baffle 5 are vertically arranged in the purification tank in sequence along the flow direction of the leachate, the first oil baffle 3, the second oil baffle 4 and the third oil baffle 5 are vertically extended downwards from the top of the purification tank and have a gap with the bottom of the purification tank, the purification tank is sequentially divided into a first oil-separating area 6, a second oil-separating area 7, a third oil-separating area 8 and a water-producing area 9 by the first oil baffle 3, the second oil baffle 4 and the third oil baffle 5, the water inlet pipe 1 is communicated with the first oil-separating area 6, a first oil-collecting groove 10 is arranged in the first oil-separating area 6, a second oil-collecting groove 11 is arranged in the second oil-separating area, the first oil receiving tank 10 and the second oil receiving tank 11 are horizontally arranged and located in the oil layer liquid level of the purification tank, the outlet position of the water inlet pipe 1 is higher than the position of the first oil receiving tank 10, the first oil baffle plate 3 and the second oil baffle plate 4 extend to the lower ends of the first oil receiving tank 10 and the second oil receiving tank 11 respectively, the extending directions of the first oil receiving tank 10 and the second oil receiving tank 11 are perpendicular to the flowing direction of percolate, the side walls of the first oil receiving tank 10 and the second oil receiving tank 11 facing the direction of the percolate are provided with oil permeating parts, the oil permeating parts are in a sawtooth shape, an oil absorbing layer 13 is arranged in the third oil separating area 8, the oil absorbing layer 13 is located below the liquid level of the purification tank and higher than the bottom of the third oil baffle plate, and the water outlet pipe 2 is communicated with the water producing area 9. The purification tank is inclined along the flowing direction of percolate, so that percolate can spontaneously flow from the first oil separation area 6 to the water production area 9, and the percolate is injected into the purification tank without stopping the water inlet pipe 1, so that the liquid level in the purification tank is not changed greatly.
Preferably, a first water baffle 14 and a second water baffle 15 are respectively arranged in the second oil separating area 7 and the third oil separating area 8, the first water baffle 14 and the second water baffle 15 both extend vertically upwards from the bottom of the purification tank and are lower than the liquid level of the purification tank, the first oil baffle 3 and the first water baffle 14 are partially overlapped along the flow direction of percolate, a first channel is formed between the first oil baffle 3 and the first water baffle 14, the second oil baffle 4 and the second water baffle 15 are partially overlapped along the flow direction of percolate, and a second channel is formed between the second oil baffle 4 and the second water baffle 15. The first and second passages are provided in order to prolong the residence time of the percolate in the first and second oil-separating zones 6, 7, respectively, so that the percolate can be sufficiently deoiled in the first and second oil-separating zones 6, 7.
Preferably, the domestic garbage leachate oil removal and slag removal device further comprises a hydraulic screen 12, the hydraulic screen 12 is over against the outlet of the water inlet pipe 1, and the position of the hydraulic screen 12 is higher than the liquid level of the purification tank. The hydraulic screen 12 is capable of removing solid impurities.
Preferably, the first oil separating area 6, the second oil separating area 7 and the third oil separating area 8 are all provided with a service hole 16. The access hole 16 can be arranged at the position close to the bottom of the side wall of the purification tank corresponding to each zone.
Preferably, the oil separation and slag removal device for the domestic garbage leachate further comprises an oil collecting pipe 17 and an oil collecting tank 18, and the first oil collecting tank 10 and the second oil collecting tank 11 are both communicated with the oil collecting tank 18 through the oil collecting pipe 17.
Preferably, the oil sump 18 is disposed outside the purification tank.
Preferably, the oil absorption layer 13 is filled with anthracite filler. The first oil-separating area 6 is used to remove most of the oil in the percolate, the second oil-separating area 7 is used to remove most of the remaining oil, the surface-floating oil is almost removed when the percolate reaches the third oil-separating area 8, and the anthracite coal filler in the third oil-separating area 8 is mainly used to remove the oil mixed in the water.
The process flow of the utility model is as follows: firstly, removing solid impurities from the landfill leachate through a hydraulic screen; secondly, the leachate enters a first oil separation area after being screened by a hydraulic screen, moisture in the leachate enters a second oil separation area from an opening at the lower end of the first oil receiving groove, and the oil is intercepted in the first oil receiving groove; thirdly, the percolate in the second oil separation area enters a second oil receiving groove, and the second oil receiving groove intercepts the oil in the percolate again; fourthly, the leachate after secondary oil recovery enters a third oil separation area, and the anthracite coal filler in the third oil separation area further adsorbs the residual oil in the leachate; the leachate after oil removal and slag removal treatment enters a subsequent treatment unit through a water outlet of the water production area, wherein the subsequent treatment unit comprises a biochemical system and further evolves water by utilizing the decomposition effect of microorganisms; and sixthly, collecting the oil in the oil collecting tank through an oil collecting pipe and then treating the oil.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a domestic waste leachate oil removal dross removal mechanism, includes purification tank, inlet tube and outlet pipe, its characterized in that: along the flowing direction of the percolate, a first oil baffle, a second oil baffle and a third oil baffle are sequentially and vertically arranged in the purification tank, the first oil baffle, the second oil baffle and the third oil baffle all vertically extend downwards from the top of the purification tank and have gaps with the bottom of the purification tank, the purification tank is sequentially divided into a first oil separating area, a second oil separating area, a third oil separating area and a water producing area by the first oil baffle, the second oil baffle and the third oil baffle, the water inlet pipe is communicated with the first oil separating area, a first oil collecting groove is arranged in the first oil separating area, a second oil collecting groove is arranged in the second oil separating area, the first oil collecting groove and the second oil collecting groove are horizontally arranged and are positioned in the oil layer liquid level of the purification tank, and the first oil baffle and the second oil baffle respectively extend to the lower ends of the first oil collecting groove and the second oil collecting groove, the extending directions of the first oil receiving groove and the second oil receiving groove are perpendicular to the flowing direction of the percolate, the side walls of the first oil receiving groove and the second oil receiving groove, facing the direction of the percolate, are provided with oil permeating parts, an oil absorbing layer is arranged in the third oil separating area, the oil absorbing layer is positioned below the liquid level of the purification tank and is higher than the bottom of the third oil baffle, and the water outlet pipe is communicated with the water producing area.
2. The domestic waste leachate oil and slag removal device of claim 1, wherein: the second oil separation area and the third oil separation area are internally provided with a first water baffle and a second water baffle respectively, the first water baffle and the second water baffle both extend upwards from the bottom of the purification tank vertically and are lower than the liquid level of the purification tank, the first oil baffle and the first water baffle are partially overlapped along the flow direction of percolate, a first channel is formed between the first oil baffle and the first water baffle, the second oil baffle and the second water baffle are partially overlapped along the flow direction of the percolate, and a second channel is formed between the second oil baffle and the second water baffle.
3. The domestic waste leachate oil and slag removal device of claim 1, wherein: the water inlet pipe is arranged in the water tank, the water inlet pipe is arranged at the bottom of the water tank, the water inlet pipe is arranged at the top of the water tank, the water inlet pipe is arranged at the bottom of the water tank, the water outlet pipe is arranged at the bottom of the.
4. The domestic waste leachate oil and slag removal device of claim 1, wherein: and the first oil separating area, the second oil separating area and the third oil separating area are provided with access holes.
5. the domestic waste leachate oil and slag removal device of claim 1, wherein: the oil collecting device is characterized by further comprising an oil collecting pipe and an oil collecting groove, wherein the first oil collecting groove and the second oil collecting groove are communicated with the oil collecting groove through the oil collecting pipe.
6. The domestic waste leachate oil and slag removal device of claim 5, wherein: the oil collecting tank is arranged on the outer side of the purifying pool.
7. The domestic waste leachate oil and slag removal device of claim 1, wherein: the oil absorption layer is filled with anthracite filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175960.XU CN209759236U (en) | 2019-01-31 | 2019-01-31 | Domestic waste leachate oil removal and slag removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175960.XU CN209759236U (en) | 2019-01-31 | 2019-01-31 | Domestic waste leachate oil removal and slag removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209759236U true CN209759236U (en) | 2019-12-10 |
Family
ID=68751271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920175960.XU Active CN209759236U (en) | 2019-01-31 | 2019-01-31 | Domestic waste leachate oil removal and slag removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209759236U (en) |
-
2019
- 2019-01-31 CN CN201920175960.XU patent/CN209759236U/en active Active
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