CN209797533U - Fire fighting equipment for biochemical pond of landfill leachate - Google Patents
Fire fighting equipment for biochemical pond of landfill leachate Download PDFInfo
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- CN209797533U CN209797533U CN201822247737.XU CN201822247737U CN209797533U CN 209797533 U CN209797533 U CN 209797533U CN 201822247737 U CN201822247737 U CN 201822247737U CN 209797533 U CN209797533 U CN 209797533U
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Abstract
The utility model provides a fire fighting equipment for landfill leachate biochemical pool, the fire fighting equipment includes the foam elimination jar, the top of foam elimination jar is provided with the water inlet, and the bottom is seted up backward flow mouth and delivery port, the inside bottom of foam elimination jar is provided with the ultrasonic vibration board, the inside bottom of foam elimination jar is provided with the support, the ultrasonic vibration board sets up on the support; the foam eliminating tank is characterized in that a plurality of injection heads are symmetrically arranged on the side wall of the foam eliminating tank, the water inlet is communicated with the upper portion of the biochemical pool through a foam pipeline, the backflow port is connected with the plurality of injection heads through a backflow pipeline respectively, a defoaming pump is arranged on the backflow pipeline, the water outlet is communicated with the upper portion of the biochemical pool through a water outlet pipeline, and a water outlet pump is arranged on the water outlet pipeline. The utility model discloses structural design is ingenious, easy operation, and the treatment effect is good, and better economic environmental protection can thoroughly solve the foam problem, adopts mechanical defoaming mode, has guaranteed the high-efficient steady operation of biochemical treatment system.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a biochemical pond of landfill leachate is with fire fighting equipment.
[ background of the invention ]
The landfill leachate has the characteristics of high organic matter concentration, high ammonia nitrogen, high salinity and the like, is generally treated by adopting a biochemical and membrane advanced treatment process, is generally treated by adopting a secondary denitrification process in biochemistry, can generate a large amount of foam in the biochemical process, is difficult to eliminate by self, affects a biochemical system and is easy to cause secondary pollution. The prior method for eliminating foam generally adopts continuous addition of a large amount of defoaming agents for defoaming, has high defoaming cost, increases the load of a biochemical system and is uneconomical.
[ summary of the invention ]
The to-be-solved technical problem of the utility model lies in providing a fire fighting equipment for landfill leachate biochemical pond, its structural design is ingenious, easy operation, and the treatment effect is good, and more economic environmental protection can thoroughly solve the foam problem, adopts mechanical defoaming mode, has guaranteed the high-efficient steady operation of biochemical treatment system.
the utility model discloses a realize like this:
A defoaming device for a landfill leachate biochemical pool comprises a foam eliminating tank, wherein a water inlet is formed in the top of the foam eliminating tank, a backflow port and a water outlet are formed in the bottom of the foam eliminating tank, an ultrasonic vibrating plate is arranged at the bottom of the inner side of the foam eliminating tank, a support is arranged at the bottom of the inner side of the foam eliminating tank, and the ultrasonic vibrating plate is arranged on the support; the foam eliminating tank is characterized in that a plurality of injection heads are symmetrically arranged on the side wall of the foam eliminating tank, the water inlet is communicated with the upper portion of the biochemical pool through a foam pipeline, the backflow port is connected with the plurality of injection heads through a backflow pipeline respectively, a defoaming pump is arranged on the backflow pipeline, the water outlet is communicated with the upper portion of the biochemical pool through a water outlet pipeline, and a water outlet pump is arranged on the water outlet pipeline.
Further, the top of the tank body of the foam eliminating tank is provided with an air outlet, the bottom of the tank body of the foam eliminating tank is provided with a drain hole, a manhole and a liquid level meter port, and the liquid level meter port is connected with a liquid level meter.
Further, the number of the spray heads on each side is at least 3, and the spray heads are arranged at equal intervals in the vertical direction.
Further, the frequency of the ultrasonic vibration plate is 20 to 120 kHZ.
Further, the jet head outlet flow velocity is 2m/s or more.
Further, a pressure gauge is arranged on a return pipeline at the outlet of the defoaming pump.
Further, the spray head is spiral, flat or fan-shaped, and the downward angle of the spray head is 0-45 degrees.
The utility model has the advantages of as follows:
The utility model discloses a water is ejected at high speed to the injector head of symmetric distribution, carries out the symmetric extrusion to the foam of downflow, and most foam is eliminated, and some small foam is through further defoaming of ultrasonic wave vibration board again, and the level defoaming is by level defoaming, and the defoaming is more thorough, speed is faster, and is effectual. The utility model discloses structural design is ingenious, easy operation, and the treatment effect is good, and better economic environmental protection can thoroughly solve the foam problem, has guaranteed the high-efficient steady operation of biochemical treatment system.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is the utility model relates to a biochemical pond of landfill leachate is with fire fighting equipment's schematic structure diagram.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a defoaming device for a landfill leachate biochemical pool, the defoaming device comprises a foam removing tank 1, the top of the foam removing tank 1 is provided with a water inlet 2, the bottom of the foam removing tank is provided with a backflow port 3 and a water outlet 4, the bottom of the inner side of the foam removing tank 1 is provided with an ultrasonic vibration plate 5, the bottom of the inner side of the foam removing tank 1 is provided with a support 6, and the ultrasonic vibration plate 5 is arranged on the support 6; the symmetry is provided with plural number injector head 7 on the lateral wall of foam elimination jar 1, water inlet 2 passes through the upper portion intercommunication of foam pipeline 8 with biochemical pond 100, backward flow mouth 3 says through backflow pipe 9 and links to each other with plural number injector head 7 respectively, be provided with defoaming pump 10 on the backflow pipe 9, delivery port 4 is linked together through outlet conduit 11 and biochemical pond 100 upper portion, be provided with out water pump 12 on the outlet conduit 11.
The gas vent 13 is arranged above the tank body of the foam removing tank 1, the bottom of the tank body of the foam removing tank 1 is provided with a drain port 14, a manhole 15 and a liquid level meter port 16, and the liquid level meter port 16 is connected with a liquid level meter 17.
The spray heads 7 are arranged at least more than 3 on each side, and are arranged in a vertical row from top to bottom at equal intervals.
The frequency of the ultrasonic vibration plate 5 is 20 to 120 kHZ.
The outlet flow velocity of the spray head 7 is more than 2 m/s.
And a pressure gauge 18 is arranged on the return pipeline 9 at the outlet of the defoaming pump 10.
The spray head 7 is spiral, flat or fan-shaped, and the downward angle of the spray head is 0-45 degrees.
The present invention will be further described with reference to the following specific examples.
A certain landfill leachate treatment plant adopts a biochemical and membrane advanced treatment process with the treatment scale of 250m3And d, the biochemical process is a two-stage nitrification and denitrification process, the height of the biochemical pool is 9.5m, the effective liquid level is 8m, and the height of a foam overflow port is 8.5 m.
Adopt the utility model relates to a biochemical pond of landfill leachate is with fire fighting equipment foam elimination, specific parameter as follows: the foam eliminating tank 1 isThe symmetrically distributed spray heads 7 on both sides are spirally mounted at 45 degrees downwards, and 3 spray heads are arranged at intervals of 1m in the vertical direction. The flow rate of the defoaming pump 10 is 24m3And h, the head is 30m, and a pressure gauge 18 is arranged at the outlet of the defoaming pump 10. FoamAn ultrasonic vibration plate 5 is arranged at a position 1m away from the ground in the elimination tank 1, the ultrasonic vibration plate 5 is fixed by a bracket 6, the frequency of the ultrasonic vibration plate 5 is 28kHZ, and the power is 3 Kw. Open defoaming pump 10, ultrasonic vibration board 5, biochemical pond 100 produces a lot of foams, through foam overflow mouth through foam pipeline 8 from the water inlet 2 that flows into the foam and eliminate jar 1 top, defoaming pump 10 draws water from the bottom that jar 1 was eliminated to the foam and gets into injector head 7 of symmetric distribution and spray out, the foam that subtends down carries out the symmetric extrusion, most foam is eliminated, some little foam is through the further defoaming of ultrasonic wave of ultrasonic vibration board 5 again, through out water pump 12 after handling squeeze into biochemical pond 100 tops again. After treatment, the water discharged by the water outlet pump 12 is observed to have no foam, and the defoaming efficiency is 100 percent. When the outlet pressure gauge 18 of the defoaming pump 10 is raised by more than 0.5bar compared with the normal condition, the injection head 7 needs to be detached for cleaning; meanwhile, the high-liquid-level water outlet pump is started and the low-liquid-level water outlet pump 12 is stopped by the online linkage automatic control of the liquid level meter at the liquid level meter port 16 and the water outlet pump 12. The utility model discloses the structure is ingenious, easy operation, and the treatment effect is good, can thoroughly solve the foam problem, has guaranteed the high-efficient steady operation of biochemical treatment system.
The utility model discloses replace the medicament defoaming mode of traditional chemistry with the mechanical defoaming mode of physics, avoid producing secondary pollution to the water to reduce the influence to the biochemical reaction in the biochemical pond.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a biochemical pond of landfill leachate is with fire fighting equipment which characterized in that: the defoaming device comprises a foam eliminating tank, the top of the foam eliminating tank is provided with a water inlet, the bottom of the foam eliminating tank is provided with a backflow port and a water outlet, the bottom of the inner side of the foam eliminating tank is provided with an ultrasonic vibration plate, the bottom of the inner side of the foam eliminating tank is provided with a support, and the ultrasonic vibration plate is arranged on the support; the foam eliminating tank is characterized in that a plurality of injection heads are symmetrically arranged on the side wall of the foam eliminating tank, the water inlet is communicated with the upper portion of the biochemical pool through a foam pipeline, the backflow port is connected with the plurality of injection heads through a backflow pipeline respectively, a defoaming pump is arranged on the backflow pipeline, the water outlet is communicated with the upper portion of the biochemical pool through a water outlet pipeline, and a water outlet pump is arranged on the water outlet pipeline.
2. The defoaming device for the biochemical pond of landfill leachate according to claim 1, characterized in that: the foam eliminating tank is characterized in that an air outlet is formed in the upper portion of the tank body of the foam eliminating tank, a drain hole, a manhole and a liquid level meter port are formed in the bottom of the tank body of the foam eliminating tank, and the liquid level meter port is connected with a liquid level meter.
3. The defoaming device for the biochemical pond of landfill leachate according to claim 1, characterized in that: the number of the spray heads on each side is at least more than 3, and the spray heads are arranged at equal intervals in the vertical direction.
4. The defoaming device for the biochemical pond of landfill leachate according to claim 1, characterized in that: and a pressure gauge is arranged on the return pipeline at the outlet of the defoaming pump.
5. The defoaming device for the biochemical pond of landfill leachate according to claim 3, characterized in that: the spray head is spiral, flat or fan-shaped, and the downward angle of the spray head is 0-45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247737.XU CN209797533U (en) | 2018-12-29 | 2018-12-29 | Fire fighting equipment for biochemical pond of landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247737.XU CN209797533U (en) | 2018-12-29 | 2018-12-29 | Fire fighting equipment for biochemical pond of landfill leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797533U true CN209797533U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822247737.XU Active CN209797533U (en) | 2018-12-29 | 2018-12-29 | Fire fighting equipment for biochemical pond of landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209797533U (en) |
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2018
- 2018-12-29 CN CN201822247737.XU patent/CN209797533U/en active Active
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