CN101746841A - Sewage air-flotation treatment method and sewage treatment air flotation tank - Google Patents
Sewage air-flotation treatment method and sewage treatment air flotation tank Download PDFInfo
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- CN101746841A CN101746841A CN200910261180A CN200910261180A CN101746841A CN 101746841 A CN101746841 A CN 101746841A CN 200910261180 A CN200910261180 A CN 200910261180A CN 200910261180 A CN200910261180 A CN 200910261180A CN 101746841 A CN101746841 A CN 101746841A
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Abstract
The invention discloses a sewage air-flotation treatment method and a sewage treatment air flotation tank. Sewage after the anaerobic treatment enters into a mixing contact area of the sewage treatment air flotation tank, so the mash gas which is remained inside the sewage can be released under the effect of an air flotation device; the sewage treatment air flotation tank comprises a treatment tank, wherein two ends of the treatment tank are provided with a water inlet device and a water outlet device, a separation plate is arranged inside the treatment tank, the separation plate divides the inner cavity of the treatment tank into a mixing contact area and an air flotation area, the air flotation area is connected with the water outlet device, the water inlet device and the air flotation device are arranged inside the mixing contact area, a foam scraping machine is installed on the upper part above the water surface of the treatment tank, one end of the treatment tank is provided with a slag collecting groove, the top part of the treatment tank is provided with a gas collecting cover, and the gas collecting cover is provided with a gas outlet; and the produced mash gas is used through the collection of the gas collection cover, so not only the sewage treatment is realize, and the environment is protected, but also the resource is recycled, and the environmental pollution and the resource waste are prevented.
Description
Technical field
The present invention relates to a kind of method of sewage disposal, and the air flotation pool that uses in this treatment process.
Background technology
Current, the harmless treatment of productive life sewage relates to many methods, and wherein the use of air-flotation system is comparatively extensive.Though these methods can purify water effectively, but still exist problems such as environmental pollution, the wasting of resources.As comprising biogas that retains etc. in the sewage, take above-mentioned treatment process it can not be collected storage, but be discharged in the atmosphere, not only waste resource, and polluted environment.If well collected to utilize and just can be obtained considerable environmental benefit and economy of resources.
Summary of the invention
Technical problem to be solved by this invention provides a kind of realization solid, liquid, gas separates, can efficent use of resources, avoid the sewage air-flotation treatment method of environmental pollution.
For solving the problems of the technologies described above, technical scheme of the present invention is: sewage air-flotation treatment method, to enter the mixing contact area of sewage treatment air flotation tank through the sewage after the anaerobic treatment by water feed apparatus, under the effect of the air-floating apparatus in mixing contact area, suspended substance is upwards floating, be released attached to the biogas microbubble on the suspended substance, the biogas micro-bubble that is included in the sewage also is released, and is collected through gas skirt then.
Another technical problem to be solved by this invention provides a kind of above-mentioned sewage air-flotation treatment method, can efficent use of resources, avoid the sewage treatment air flotation tank of environmental pollution.
For solving the problems of the technologies described above, technical scheme of the present invention is: sewage treatment air flotation tank, be used to handle sewage after the anaerobism, comprise treating pond, the two ends of described treating pond are respectively equipped with water feed apparatus and discharging device, be provided with the separation dividing plate in the described treating pond, the inner chamber that described separation dividing plate is separated described treating pond is mixing contact area and air flotation zone, described air flotation zone is connected with described discharging device, described mixing contact area is provided with described water feed apparatus and air-floating apparatus, the water surface top of described air flotation zone is equipped with scraping machine, one end of described treating pond is provided with dreg collecting slot, the top of described treating pond is equipped with the gas skirt of the described treating pond opening of sealing, and described gas skirt is provided with the air outlet.
As optimized technical scheme, described air-floating apparatus is a cavitation formula air-floating apparatus.
As optimized technical scheme, described discharging device comprises water tank, describedly goes out water tank and described air flotation zone connects, and describedly goes out water tank and is provided with overflow groove, and described overflow groove is provided with water outlet.
As optimized technical scheme, described dreg collecting slot is provided with slag notch, and described slag notch pipeline is connected with the collection mud sump.
As optimized technical scheme, described collection mud sump is arranged on described treating pond below.
As optimized technical scheme, described collection mud sump is provided with collection mud sump access opening.
As optimized technical scheme, described collection mud sump is provided with mud-sucking device.
As optimized technical scheme, described sewage treatment air flotation tank is provided with the treating pond access opening.
As optimized technical scheme, on the described treating pond shore pipe is installed, described shore pipe is connected in the collection mud sump.
Owing to adopted technique scheme, sewage air-flotation treatment method, to enter the mixing contact area of sewage treatment air flotation tank through the sewage after the anaerobic treatment by water feed apparatus, under the effect of the air-floating apparatus in mixing contact area, suspended substance is upwards floating, be released attached to the biogas microbubble on the suspended substance, the biogas micro-bubble that is included in the sewage also is released, and is collected through gas skirt then; The sewage air-flotation treatment method sewage treatment air flotation tank, be used to handle sewage after the anaerobism, comprise treating pond, the two ends of described treating pond are respectively equipped with water feed apparatus and discharging device, be provided with the separation dividing plate in the described treating pond, the inner chamber that described separation dividing plate is separated described treating pond is mixing contact area and air flotation zone, described air flotation zone is connected with described discharging device, described mixing contact area is provided with described water feed apparatus and air-floating apparatus, the water surface top of described air flotation zone is equipped with scraping machine, one end of described treating pond is provided with dreg collecting slot, and the top of described treating pond is equipped with the gas skirt of the described treating pond opening of sealing, and described gas skirt is provided with the air outlet; The gas skirt that install at the treating pond top; sewage after the anaerobism is under the effect of air-floating apparatus; be released attached to the biogas microbubble on the suspended substance; the biogas micro-bubble that is included in the sewage also is released, and through the collection of gas skirt, the biogas of generation is carried out utilization; promptly reached and handled sewage; the purpose of protection environment has realized the recycling of resource again, has avoided the pollution of environment and the waste of resource.
Description of drawings
Accompanying drawing is the structural representation of the embodiment of the invention.
Embodiment
As shown in drawings, sewage treatment air flotation tank, comprise treating pond, one end of described treating pond is provided with water feed apparatus, described water feed apparatus comprises water inlet pipe 1, be provided with in the described treating pond and separate dividing plate 3, the inner chamber that described separation dividing plate 3 is separated described treating pond is mixing contact area 2 and air flotation zone 6, described air flotation zone 6 is connected with discharging device, described discharging device comprises water tank 14, describedly go out water tank 14 and described air flotation zone 6 connects, describedly go out water tank 14 and be provided with overflow groove 11, described overflow groove 11 is provided with water outlet 12, described water inlet pipe 1 is arranged on described mixing contact area 2, be provided with air-floating apparatus in the described mixing contact area 2, described air-floating apparatus is a cavitation formula air-floating apparatus 4, described cavitation formula air-floating apparatus 4 is the known technology of water treatment field, the water surface top of described air flotation zone is equipped with scraping machine 8, one end of described treating pond is provided with dreg collecting slot 9, and described dreg collecting slot 9 is provided with slag notch 10, and described slag notch 10 pipelines are connected with collection mud sump 13, described collection mud sump 13 is arranged on described treating pond below, described collection mud sump 13 is provided with collection mud sump access opening 16, and described collection mud sump 13 is provided with mud-sucking device 17, and described mud-sucking device comprises excavating pump.The top of described treating pond is equipped with gas skirt 5, and described gas skirt 5 is provided with air outlet 7; Described sewage treatment air flotation tank is provided with treating pond access opening 15, described treating pond access opening 15 is arranged on the gas skirt 5, described treating pond access opening 15 is used to enter the described treating pond that gas skirt 5 is installed and overhauls, described treating pond access opening 15 also can be arranged on the described treating pond, shore pipe 18 is installed on the described treating pond, and described shore pipe 18 is connected in collection mud sump 13.
Sewage air-flotation treatment method, flow into the mixing contact area 2 of sewage treatment air flotation tank from water inlet pipe 1 through the sewage after the anaerobic treatment, under the effect of the air-floating apparatus in mixing contact area 2, a large amount of micro-bubbles have been introduced in the sewage, bubble adheres on the suspended substance by surface tension effects, and described suspended substance comprises some tiny mud granules, forms whole proportion less than one situation, it is floating to the water surface to adhere to alveolate mud granule, the gas release in the bubble; Some gas is filled in the middle of the mud granule, and through air supporting, the bubble in the dissolved air water enters in the mud granule under pressure, grain expansion, and the gas release in the mud is come out; In addition, be contained in the biogas micro-bubble in the sewage, under the effect of air-floating apparatus, also be released.So just realized the separation of solid, liquid, gas; Isolated biogas gas mixture enters gas skirt, and the biogas gas mixture of collecting enters into next step treating processes by the air outlet.
The gas skirt 5 that install at the treating pond top; sewage after the anaerobism is under the effect of air-floating apparatus; be released attached to the biogas microbubble on the suspended substance; the biogas micro-bubble that is included in the sewage also is released, and through the collection of gas skirt 5, the biogas of generation is carried out utilization; promptly reached and handled sewage; the purpose of protection environment has realized the recycling of resource again, has avoided the pollution of environment and the waste of resource.
The biogas mixture combustion value of being collected by gas skirt is lower, the lower mixed gas of collecting of methane content need be connected to the air intlet of gas blowing engine, the postcombustion that can mix as engine with high density biogas uses, and also can be used for heating up water, cooks etc.
Above-described only is preferred implementation of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the principle of the invention, distortion of making and improvement also should be considered as protection scope of the present invention.
Claims (10)
1. sewage air-flotation treatment method, it is characterized in that: will enter the mixing contact area of sewage treatment air flotation tank by water feed apparatus through the sewage after the anaerobic treatment, under the effect of the air-floating apparatus in mixing contact area, suspended substance is upwards floating, be released attached to the biogas microbubble on the suspended substance, the biogas micro-bubble that is included in the sewage also is released, and is collected through gas skirt then.
2. sewage air-flotation treatment method sewage treatment air flotation tank as claimed in claim 1, be used to handle sewage after the anaerobism, comprise treating pond, the two ends of described treating pond are respectively equipped with water feed apparatus and discharging device, it is characterized in that: be provided with the separation dividing plate in the described treating pond, the inner chamber that described separation dividing plate is separated described treating pond is mixing contact area and air flotation zone, described air flotation zone is connected with described discharging device, described mixing contact area is provided with described water feed apparatus and air-floating apparatus, the water surface top of described air flotation zone is equipped with scraping machine, one end of described treating pond is provided with dreg collecting slot, the top of described treating pond is equipped with the gas skirt of the described treating pond opening of sealing, and described gas skirt is provided with the air outlet.
3. sewage treatment air flotation tank as claimed in claim 2 is characterized in that: described air-floating apparatus is a cavitation formula air-floating apparatus.
4. sewage treatment air flotation tank as claimed in claim 2 is characterized in that: described discharging device comprises water tank, describedly goes out water tank and described air flotation zone connects, and describedly goes out water tank and is provided with overflow groove, and described overflow groove is provided with water outlet.
5. sewage treatment air flotation tank as claimed in claim 2 is characterized in that: described dreg collecting slot is provided with slag notch, and described slag notch pipeline is connected with the collection mud sump.
6. sewage treatment air flotation tank as claimed in claim 5 is characterized in that: described collection mud sump is arranged on described treating pond below.
7. as sewage treatment air flotation tank as described in the claim 6, it is characterized in that: described collection mud sump is provided with collection mud sump access opening.
8. as sewage treatment air flotation tank as described in the claim 6, it is characterized in that: described collection mud sump is provided with mud-sucking device.
9. as sewage treatment air flotation tank as described in the claim 6, it is characterized in that: described sewage treatment air flotation tank is provided with the treating pond access opening.
10. as sewage treatment air flotation tank as described in the claim 6, it is characterized in that: on the described treating pond shore pipe is installed, described shore pipe is connected in the collection mud sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910261180A CN101746841A (en) | 2009-12-22 | 2009-12-22 | Sewage air-flotation treatment method and sewage treatment air flotation tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910261180A CN101746841A (en) | 2009-12-22 | 2009-12-22 | Sewage air-flotation treatment method and sewage treatment air flotation tank |
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| CN101746841A true CN101746841A (en) | 2010-06-23 |
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| CN200910261180A Pending CN101746841A (en) | 2009-12-22 | 2009-12-22 | Sewage air-flotation treatment method and sewage treatment air flotation tank |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019738A (en) * | 2018-09-25 | 2018-12-18 | 哈尔滨北方环保工程有限公司 | Air floatation machine dross separation apparatus in a kind of tobacco processing sewage disposal process system |
| CN112933666A (en) * | 2021-02-02 | 2021-06-11 | 江西诺邦生物科技有限公司 | Processing of disinfectant is with floating foam removing device |
| CN113443797A (en) * | 2020-03-26 | 2021-09-28 | 大庆油田有限责任公司 | Pretreatment system and pretreatment method for oil-containing sludge |
| CN114751560A (en) * | 2022-05-16 | 2022-07-15 | 张妍妍 | Air-floated water treatment device and treatment method thereof |
-
2009
- 2009-12-22 CN CN200910261180A patent/CN101746841A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019738A (en) * | 2018-09-25 | 2018-12-18 | 哈尔滨北方环保工程有限公司 | Air floatation machine dross separation apparatus in a kind of tobacco processing sewage disposal process system |
| CN113443797A (en) * | 2020-03-26 | 2021-09-28 | 大庆油田有限责任公司 | Pretreatment system and pretreatment method for oil-containing sludge |
| CN112933666A (en) * | 2021-02-02 | 2021-06-11 | 江西诺邦生物科技有限公司 | Processing of disinfectant is with floating foam removing device |
| CN114751560A (en) * | 2022-05-16 | 2022-07-15 | 张妍妍 | Air-floated water treatment device and treatment method thereof |
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Application publication date: 20100623 |