CN103936204A - Pre-treatment system for kitchen waste water - Google Patents
Pre-treatment system for kitchen waste water Download PDFInfo
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- CN103936204A CN103936204A CN201410199766.7A CN201410199766A CN103936204A CN 103936204 A CN103936204 A CN 103936204A CN 201410199766 A CN201410199766 A CN 201410199766A CN 103936204 A CN103936204 A CN 103936204A
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Abstract
The invention discloses a pre-treatment system for kitchen waste water. The system is characterized by comprising an oil separating settling pond, an adjusting pool and a demulsifying, coagulating, air-floating and deslagging device, wherein a waste fermenting wastewater inlet pipe is arranged at one end of the oil separating settling pond while the other end of the oil separating settling pond is connected with the adjusting pool through a water outlet pipe, and the oil separating settling pond is internally provided with an oil slick removing device; one end of the adjusting pool is a water inlet end connected with a water outlet pipe of the oil separating settling pond while the other end of the adjusting pool is a water outlet end which is connected with the demulsifying, coagulating, air-floating and deslagging device through a lifting pump and a water outlet lifting pipeline; a temperature probe and a water outlet temperature regulating device are further arranged at the water outlet end of the adjusting pool. The system disclosed by the invention is designed for particularity of kitchen waste water components and can efficiently and quickly realize pre-treatments, such as deoiling, adjusting and oil slick cleaning, of kitchen waste water, so that the treated sewage can be suitable for subsequent conventional sewage treatment steps, thereby alleviating the demand on subsequent sewage treatment process and improving the final treatment effect of kitchen waste water.
Description
Technical field
The present invention relates to a kind of kitchen garbage, waste-water treatment technology, especially a kind of kitchen garbage, waste-water preprocessing system.
Background technology
People will produce constantly various waste rubbish in urban life, wherein rubbish from cooking refers to the remaining rubbish of kitchen processing food materials, it is various to discard fruits and vegetables as main rubbish that fruits and vegetables rubbish mainly refers to that fruit and vegetable market produces, and it is main feature that two kinds of rubbish all have organism.Because domestic technology of garbage disposal is still processed more rudimentary developmental stage, the remaining fruits and vegetables rubbish in existing kitchen is not generally done classification and is processed, to transport to refuse tip landfill together with common rubbish, processing can cause great environmental pollution like this, the not only percolate of generation meeting polluted underground water, and the biogas producing and strong smell can have a strong impact on people's life and health.But in fact in the remaining fruits and vegetables rubbish in kitchen, the overwhelming majority is organism and thermal source, can consider to reclaim bio-energy again to utilize after slurrying, reduces people to naturally asking for and consuming, and will have great meaning to protect mankind living environment.
Applicant once designed a kind of changing food waste removal of impurities slurrying all-in-one, and applied for that the patent No. was 201330347758.9 utility model, and the serial local improvement to this machine, has also applied for series of patents protection simultaneously.When this changing food waste removal of impurities slurrying all-in-one uses, kitchen garbage breaking can be obtained be rich in the rubbish slurries of biomass and thermal source.Then rubbish slurries are carried out to high-temperature anaerobic fermentation processing, can decompose make biogas and collect utilize, fermentation after residual sludge can dewater after for the production of organic chemical fertilizer.Make like this changing food waste obtain abundant regeneration.
But wherein, the leachate waste water of deviating from when dehydration, need to be after sewage disposal could qualified discharge; When sewage disposal, applicant considers mainly to adopt SHARON short-cut nitrification and denitrification technique to carry out sewage disposal in conjunction with the mode of MBR Membrane Bioreactor for Wastewater Treatment.But due to the singularity of kitchen garbage, waste-water composition, it contains nitrogenous compound and the remaining suspended substance etc. that dewaters that the oil that do not decomposed by thermophilic fermentation in a large number, organism, protein stay after by ammonification.Have that the water yield is large, draining is inhomogeneous, organism and ammonia nitrogen concentration is high, impurity and suspended substance many, the feature of good biodegradability, is a kind of high concentrated organic wastewater.Therefore only depend on the mode of SHARON short-cut nitrification and denitrification technique in conjunction with MBR Membrane Bioreactor for Wastewater Treatment, still cannot meet the requirement of kitchen garbage, waste-water processing.Need to design preprocessing system targetedly, improve wastewater treatment efficiency, can emission compliance.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention is how to provide one can realize oil removing, adjusting and scum silica frost cleaning texts, to improve the kitchen garbage, waste-water preprocessing system of the final treatment effect of waste water.
In order to solve the problems of the technologies described above, in the present invention, adopt following technical scheme:
A kind of kitchen garbage, waste-water preprocessing system, it is characterized in that, comprise oil partiting precipitation pool, equalizing tank and Demulsification and coagulant air supporting deslagging device, one end of described oil partiting precipitation pool is provided with rubbish fermentation wastewater inlet pipe, the other end is connected with equalizing tank by outlet conduit, is provided with oil slick removal device in oil partiting precipitation pool; Described equalizing tank one end is the feed-water end being connected with the outlet conduit of oil partiting precipitation pool, the other end is that water side and water side are connected with Demulsification and coagulant air supporting deslagging device with water outlet riser tubing by lift pump, position, equalizing tank water side is also provided with temp probe and apparatus for controlling water exit temperature, temp probe position and water outlet riser tubing water inlet position correspondence; Described Demulsification and coagulant air supporting deslagging device comprises a horizontally disposed accommodating body, the water inlet that is connected of the water outlet riser tubing of accommodating body one end and equalizing tank, the other end is provided with waterwall near end position, the upper lateral part that waterwall is faced accommodating body water inlet position is provided with removing dross groove, removing dross groove face is return side to a side of accommodating body water inlet position, on scum silica frost groove sidewall, be provided with scum silica frost outflow pipeline, waterwall forms hydrospace and outlet conduit is installed back to a side of accommodating body water inlet position, is positioned at removing dross groove below and is provided with water hole on waterwall.
In kitchen garbage, waste-water preprocessing system of the present invention, be provided with oil partiting precipitation pool and remove the oil slick in waste water, be provided with convenient sewage PH value and N/P ratio and the temperature of regulating of equalizing tank, carry out homogeneous and all measure, make its applicable subsequent technique requirement, improve water treatment effect.The Demulsification and coagulant air supporting deslagging device arranging, can lean on removing dross groove to collect scum silica frost outer row in the mode of overflow, has ensured effectively carrying out of subsequent technique.
As optimization, in described oil partiting precipitation pool, described oil slick removal device, comprise chain, chain is arranged in the body of oil partiting precipitation pool pond and is formed the rectangular chain link of entirety by four transfer rollers that are arranged on oil partiting precipitation pool pool wall, transfer roller is connected with motor and for driving chain link rotation, on chain link vertically to being outside equipped with scraper plate, the epimere of chain link is horizontally disposed with and makes the scraper plate of chain link epimere can stretch out liquid level near body upper end, oil partiting precipitation pool pond, chain link has the oil removal wall being fixed in oil partiting precipitation pool pool wall away from one end arranged outside of rubbish fermentation wastewater inlet pipe, oil removal wall upper end is extended liquid level and is provided with oil trap in a side of closing on chain link near liquid level position, on oil trap, be provided with oil-drain pipe, between at the bottom of oil removal wall lower end and oil partiting precipitation pool pond, left hydrospace.
After optimizing like this, can the chain link by rectangle drive scraper plate that the fluid of surface, oil partiting precipitation pool pond is scraped toward the oil trap on oil removal wall, outer row again, garbage, waste-water enters into the water side water outlet of oil removal wall rear from the hydrospace of crossing between at the bottom of oil removal wall lower end and oil partiting precipitation pool pond.Therefore the food and drink class scum silica frost such as fluid and capsicum Chinese prickly ash of removal garbage, waste-water that can quickness and high efficiency the inside, and have simple in structurely, manipulate advantage easily.
Further, chain link near the oil partiting precipitation pool pond of rubbish fermentation wastewater inlet pipe one end at the bottom of also to being arranged with mud-collecting slot, mud-collecting slot bottom is to being arranged with mud discharging pipeline, the hypomere of chain link is horizontally disposed with at the bottom of near oil partiting precipitation pool pond.
Like this, chain link, in frizing, can scrape the precipitating sludge at the bottom of oil partiting precipitation pool pond in mud-collecting slot, and arrange outward by mud discharging pipeline, reduces follow-up waste water silt content, adopts the more functional effect of simple structure generation.
Further, on the oil partiting precipitation pool pool wall of mud-collecting slot near top, rubbish fermentation wastewater inlet pipe one end, be also provided with drainage wall, drainage wall upper end extends upward liquid level, and hydrospace was left in drainage wall lower end.
Like this, drainage wall changes water inlet direction, make to walk around drainage wall into can first flowing downward after water enters oil partiting precipitation pool, allow the throw out in garbage, waste-water be deposited to better in mud-collecting slot, produce sedimentation effect better, and waste water is walked around fluid floating automatically after drainage wall, can not affect frizing effect.
As optimization, the apparatus for controlling water exit temperature that described equalizing tank water side arranges, comprise a cooling tower that is positioned at equalizing tank outside, cooling tower fluid inlet is connected with top, equalizing tank water side by pipeline, cooling tower liquid outlet is connected with bottom, equalizing tank water side by the pipeline with water pump, and the water-in correspondence of the water outlet riser tubing of equalizing tank water side extends downwardly into equalizing tank water side bottom position; On the pipeline that described cooling tower fluid inlet is connected with liquid outlet, be also provided with electrothermal module.
Like this, be provided with the apparatus for controlling water exit temperature of external circulating system, extracting the garbage, waste-water of equalizing tank exit end out equalizing tank makes it after cooling tower and electrothermal module, get back to equalizing tank exit end outward, detect water exit position water temperature by temp probe, then opening as required cooling tower cooling or electrothermal module heats, the water temperature of strict guarantee water outlet is the required water temperature requirement of subsequent technique, the processing of need to lowering the temperature general summer, need heat treatment winter, ensure that water temperature is controlled at 40 DEG C of left and right, ensure subsequent technique treatment effect.This apparatus for controlling water exit temperature also has simple in structure, convenient enforcement, temperature adjusting efficiency advantages of higher.
Further, also comprise an emergent equalizing tank, emergent equalizing tank one end is connected by the pipeline of belt switch valve and the outlet conduit of oil partiting precipitation pool, and the other end is provided with apparatus for controlling water exit temperature and passes through and is connected with Demulsification and coagulant air supporting deslagging device with equalizing tank respectively with the pipe of lift pump.
Wherein, emergent equalizing tank and equalizing tank, all according to 1248 cubic metres of left and right capacity setting, ensure that water quality stops 24 hours, to play good homogenizing effect.Like this, arrange after emergent equalizing tank, when flooding quantity larger, when equalizing tank has little time to process, water inlet can be imported in emergent equalizing tank and regulate, then when flooding quantity hour, can lean on equalizing tank to supply water to subsequent technique, therefore emergent equalizing tank can play the effect of emergent regulation and control, guarantee the continuity of subsequent technique processing, can play better homogeneous and all measure regulating effect.
As optimization, in described Demulsification and coagulant air supporting deslagging device, accommodating body water inlet one end side by side and connection is provided with emulsion splitter interpolation chamber and PAC/PAM adds chamber, emulsion splitter adds chamber and PAC/PAM interpolation chamber is provided with whipping appts, whipping appts comprises the rotating shaft that is positioned at chamber with blade and is positioned at the agitator motor that chamber is outer and be connected with rotating shaft, the water outlet riser tubing that emulsion splitter adds chamber and equalizing tank be connected water inlet, PAC/PAM interpolation chamber and the connection of accommodating body main body inner chamber.
After optimizing like this, in Demulsification and coagulant air supporting deslagging device, sewage is introduced into emulsion splitter interpolation chamber, the materials such as this chamber is used for adding emulsion splitter and by whipping appts stirring reaction, further destroys emulsification fluid composition in garbage leachate, the fluid that its disperse phase is condensed separate out.Then sewage enters into PAC/PAM interpolation chamber, this chamber is used for adding PAC/PAM(polymer alumina coagulating agent and non-ionic type polymeric flocculant) and by whipping appts stirring reaction, wherein the polymerization of PAC coagulating agent makes sewage degraded precipitation, PAM flocculation agent can adsorb and flocculate with the suspended particles bridge formation being scattered in sewage, both mixing effects, make to be difficult in a large number be generated a small amount of precipitation and a large amount of scum silica frost by the material of follow-up sewage disposal in sewage, then enter into Demulsification and coagulant air supporting deslagging device main body inner chamber, scum silica frost can be collected by removing dross groove and outer row, like this, this Demulsification and coagulant air supporting deslagging device can be removed the less suspended substance of proportion in waste water efficiently, fluid, part COD is with colourity, ensure follow-up wastewater treatment efficiency.
As optimization, described accommodating body main body intracavity bottom adds chamber location near PAC/PAM and has the inclined-plane trench structure that guiding current rise.
Like this, can guide better the scum silica frost of generation to rise to liquid level, and then be collected outer row by removing dross groove better, improve scum silica frost removal effect.
As optimization, in described accommodating body, the water hole of waterwall below is also provided with every mud plate to putting body water inlet one end horizontal-extending, is provided with poly-mud groove every the accommodating body bottom of mud plate below, and poly-mud trench bottom is connected with spoil disposal pipeline.
Like this, can be better every mud, poly-mud outer row, make the mud precipitating in Demulsification and coagulant air supporting deslagging device can not follow water outlet outer row to affect subsequent technique treatment effect together, improved the desilt effect of Demulsification and coagulant air supporting deslagging device.
The invention also discloses a kind of kitchen garbage, waste-water treatment process, it is characterized in that, comprise the following steps:
A, adopt the kitchen garbage, waste-water preprocessing system of structure described above to carry out pre-treatment to kitchen garbage, waste-water;
Waste water after b, pre-treatment is sent to SHARON pond, adopts sequencing batch operation mode to carry out short distance nitration denitrogenation processing, and the mud of generation is discharged to sludge sump outward;
C, SHARON pond waste water after treatment are drained into the UVHSB bio-reactor acidification that is hydrolyzed, and remove some organic pollutants in waste water, improve wastewater biodegradability, and macromolecule contaminant in waste water is degraded to small molecules pollutent to produce sufficient carbon source;
Waste water after c, UVHSB bioreactor for treatment, by after receiving mill weir and collecting, flows automatically and enters MBR membrane biological reaction pond and carry out nitration denitrification and membrane biological reaction processing in overflow mode, completes whole sewage disposal flow process.
In sum, system of the present invention is to design for the singularity of kitchen garbage, waste-water composition, can realize the pre-treatments such as kitchen garbage, waste-water oil removing, adjusting and scum silica frost cleaning efficient quick, make sewage after treatment can be applicable to follow-up conventional sewage disposal step, alleviate the requirement of follow-up sewage treatment process, improved the final treatment effect of kitchen garbage, waste-water.
Brief description of the drawings
Fig. 1 is the structural representation sketch of native system.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Be illustrated in fig. 1 shown below, a kind of kitchen garbage, waste-water preprocessing system, comprise oil partiting precipitation pool 1, equalizing tank 2 and Demulsification and coagulant air supporting deslagging device, one end of described oil partiting precipitation pool 1 is provided with rubbish fermentation wastewater inlet pipe 4, the other end is connected with equalizing tank 2 by outlet conduit 5, is provided with oil slick removal device in oil partiting precipitation pool 1, described equalizing tank 2 one end are the feed-water end being connected with the outlet conduit 5 of oil partiting precipitation pool, the other end is that water side and water side are connected with Demulsification and coagulant air supporting deslagging device with water outlet riser tubing 7 by lift pump 6, position, equalizing tank water side is also provided with temp probe 8 and apparatus for controlling water exit temperature, temp probe 8 positions and water outlet riser tubing 7 water inlet position correspondences, described Demulsification and coagulant air supporting deslagging device comprises a horizontally disposed accommodating body 3, the water inlet that is connected of the water outlet riser tubing 7 of accommodating body 3 one end and equalizing tank 2, the other end is provided with waterwall 9 near end position, the upper lateral part that waterwall is faced accommodating body water inlet position is provided with removing dross groove 10, removing dross groove 10 in the face of an intake side of position of accommodating body 3 be return side, on scum silica frost groove 10 sidewalls, be provided with scum silica frost outflow pipeline, waterwall 9 forms hydrospace and outlet conduit 11 is installed back to a side of accommodating body water inlet position, on waterwall 9, be positioned at removing dross groove 10 belows and be provided with water hole.
In described oil partiting precipitation pool 1, described oil slick removal device, comprise chain 12, chain 12 is arranged in the body of oil partiting precipitation pool pond and is formed the rectangular chain link of entirety by four transfer rollers 13 that are arranged on oil partiting precipitation pool pool wall, transfer roller 13 is connected with motor and for driving chain link rotation, on chain link vertically to being outside equipped with scraper plate 14, the epimere of chain link is horizontally disposed with and makes the scraper plate of chain link epimere can stretch out liquid level near body upper end, oil partiting precipitation pool pond, chain link has the oil removal wall 15 being fixed in oil partiting precipitation pool pool wall away from one end arranged outside of rubbish fermentation wastewater inlet pipe, oil removal wall upper end is extended liquid level and is provided with oil trap 16 in a side of closing on chain link near liquid level position, on oil trap 16, be provided with oil-drain pipe, between at the bottom of oil removal wall 15 lower ends and oil partiting precipitation pool pond, left hydrospace.Chain link near the oil partiting precipitation pool pond of rubbish fermentation wastewater inlet pipe one end at the bottom of also to being arranged with mud-collecting slot 17, mud-collecting slot 17 bottoms are to being arranged with mud discharging pipeline 18, the hypomere of chain link is horizontally disposed with at the bottom of near oil partiting precipitation pool pond.On the oil partiting precipitation pool pool wall of mud-collecting slot 17 near top, rubbish fermentation wastewater inlet pipe one end, be also provided with drainage wall 19, drainage wall 19 upper ends extend upward liquid level, and hydrospace was left in drainage wall 19 lower ends.
The apparatus for controlling water exit temperature that described equalizing tank 2 water sides arrange, comprise that a cooling tower 20(cooling tower that is positioned at equalizing tank outside is existing matured product, adopt air-conditioning heat exchange principle to carry out cooling), cooling tower 20 fluid inlets are connected with equalizing tank 2 tops, water side by pipeline, cooling tower 20 liquid outlets are connected with equalizing tank 2 bottoms, water side by the pipeline with water pump, and the water-in correspondence of the water outlet riser tubing 7 of equalizing tank water side extends downwardly into equalizing tank 2 water side bottom positions; On the pipeline that described cooling tower fluid inlet is connected with liquid outlet, be also provided with electrothermal module 21.Also comprise an emergent equalizing tank 22, emergent equalizing tank 22 one end are connected with the outlet conduit of oil partiting precipitation pool 1 by the pipeline of belt switch valve, and the other end is provided with apparatus for controlling water exit temperature (in this emergent equalizing tank, apparatus for controlling water exit temperature is identical with equalizing tank) and passes through and is connected with Demulsification and coagulant air supporting deslagging device with equalizing tank 2 respectively with the pipe of lift pump.
In described Demulsification and coagulant air supporting deslagging device, accommodating body 3 is intake one end side by side and is communicated with and is provided with emulsion splitter interpolation chamber 24 and PAC/PAM interpolation chamber 25, emulsion splitter adds chamber 24 and PAC/PAM interpolation chamber 25 is provided with whipping appts 16, whipping appts 26 comprises the rotating shaft that is positioned at chamber with blade and is positioned at the agitator motor that chamber is outer and be connected with rotating shaft, the water outlet riser tubing 7 that emulsion splitter adds chamber 24 and equalizing tank 2 be connected water inlet, PAC/PAM interpolation chamber 25 and accommodating body 3 main body inner chambers connections.Described accommodating body main body intracavity bottom adds chamber location near PAC/PAM and has the inclined-plane trench structure 27 that guiding current rise.In described accommodating body, the water hole of waterwall 9 below is also provided with every mud plate 28 to putting body water inlet one end horizontal-extending, accommodating body bottom every mud plate 28 belows is provided with poly-mud groove 29, poly-mud groove 29 is set to W shape to reduce current disturbance poly-mud better, and poly-mud trench bottom is connected with spoil disposal pipeline (not shown).
In kitchen garbage, waste-water preprocessing system of the present invention, be provided with oil partiting precipitation pool and remove the oil slick in waste water, be provided with convenient sewage PH value and N/P ratio and the temperature of regulating of equalizing tank, carry out homogeneous and all measure, make its applicable subsequent technique requirement, improve water treatment effect.The Demulsification and coagulant air supporting deslagging device arranging, can lean on removing dross groove to collect scum silica frost outer row in the mode of overflow, has ensured effectively carrying out of subsequent technique.Specifically, described Demulsification and coagulant air supporting deslagging device, can the chain link by rectangle drive scraper plate that the fluid of surface, oil partiting precipitation pool pond is scraped toward the oil trap on oil removal wall, outer row again, garbage, waste-water enters into the water side water outlet of oil removal wall rear from the hydrospace of crossing between at the bottom of oil removal wall lower end and oil partiting precipitation pool pond.Therefore the food and drink class scum silica frost such as fluid and capsicum Chinese prickly ash of removal garbage, waste-water that can quickness and high efficiency the inside, and have simple in structurely, manipulate advantage easily.Chain link, in frizing, can scrape the precipitating sludge at the bottom of oil partiting precipitation pool pond in mud-collecting slot, and arrange outward by mud discharging pipeline, reduces follow-up waste water silt content, adopts the more functional effect of simple structure generation.Also be provided with drainage wall and change water inlet direction, make to walk around drainage wall into can first flowing downward after water enters oil partiting precipitation pool, allow the throw out in garbage, waste-water be deposited to better in mud-collecting slot, produce sedimentation effect better, and waste water is walked around fluid floating automatically after drainage wall, can not affect frizing effect.In native system, be also provided with the apparatus for controlling water exit temperature of external circulating system, extracting the garbage, waste-water of equalizing tank exit end out equalizing tank makes it after cooling tower and electrothermal module, get back to equalizing tank exit end outward, detect water exit position water temperature by temp probe, then opening as required cooling tower cooling or electrothermal module heats, the water temperature of strict guarantee water outlet is the required water temperature requirement of subsequent technique, the processing of need to lowering the temperature general summer, need heat treatment winter, ensure that water temperature is controlled at 40 DEG C of left and right, ensure subsequent technique treatment effect.This apparatus for controlling water exit temperature also has simple in structure, convenient enforcement, temperature adjusting efficiency advantages of higher.In native system, be also provided with emergent equalizing tank, emergent equalizing tank and equalizing tank, all according to 1248 cubic metres of left and right capacity setting, ensure that water quality stops 24 hours, to play good homogenizing effect.Like this, arrange after emergent equalizing tank, when flooding quantity larger, when equalizing tank has little time to process, water inlet can be imported in emergent equalizing tank and regulate, then when flooding quantity hour, can lean on equalizing tank to supply water to subsequent technique, therefore emergent equalizing tank can play the effect of emergent regulation and control, guarantee the continuity of subsequent technique processing, can play better homogeneous and all measure regulating effect.The materials such as when Demulsification and coagulant air supporting deslagging device uses, sewage is introduced into emulsion splitter and adds chamber, and this chamber is used for adding emulsion splitter and by whipping appts stirring reaction, further destroys emulsification fluid composition in garbage leachate, the fluid that its disperse phase is condensed separate out.Then sewage enters into PAC/PAM interpolation chamber, this chamber is used for adding PAC/PAM(polymer alumina coagulating agent and non-ionic type polymeric flocculant) and by whipping appts stirring reaction, wherein the polymerization of PAC coagulating agent makes sewage degraded precipitation, PAM flocculation agent can adsorb and flocculate with the suspended particles bridge formation being scattered in sewage, both mixing effects, make to be difficult in a large number be generated a small amount of precipitation and a large amount of scum silica frost by the material of follow-up sewage disposal in sewage, then enter into Demulsification and coagulant air supporting deslagging device main body inner chamber, scum silica frost can be collected by removing dross groove and outer row, like this, this Demulsification and coagulant air supporting deslagging device can be removed the less suspended substance of proportion in waste water efficiently, fluid, part COD is with colourity, ensure follow-up wastewater treatment efficiency.The inclined-plane trench structure that accommodating body main body intracavity bottom arranges, can guide the scum silica frost of generation to rise to liquid level better, and then is collected outer row by removing dross groove better, improves scum silica frost removal effect.Arrange every mud plate and poly-mud groove, can be better every mud, poly-mud outer row, make the mud precipitating in Demulsification and coagulant air supporting deslagging device can not follow water outlet outer row to affect subsequent technique treatment effect together, improved the desilt effect of Demulsification and coagulant air supporting deslagging device.
When concrete enforcement, above-mentioned preprocessing system, for realizing the waste water pre-treatment of changing food waste, after pre-treatment, the waste water of carrying out successively again after following steps: b, pre-treatment is sent to SHARON pond, adopts sequencing batch operation mode to carry out short distance nitration denitrogenation processing, and the mud of generation is discharged to sludge sump outward; C, SHARON pond waste water after treatment are drained into the UVHSB bio-reactor acidification that is hydrolyzed, and remove some organic pollutants in waste water, improve wastewater biodegradability, and macromolecule contaminant in waste water is degraded to small molecules pollutent to produce sufficient carbon source; Waste water after c, UVHSB bioreactor for treatment, by after receiving mill weir and collecting, flows automatically and enters MBR membrane biological reaction pond and carry out nitration denitrification and membrane biological reaction processing in overflow mode, completes whole sewage disposal flow process.
Like this, after garbage, waste-water pre-treatment, then adopt short distance denitrating technique in conjunction with UVHSB bio-reactor acidication, and MBR membrane biological reactor process, the processing of realization that can high efficient and reliable to kitchen garbage, waste-water, makes it reach emission standard.
Claims (10)
1. a kitchen garbage, waste-water preprocessing system, it is characterized in that, comprise oil partiting precipitation pool, equalizing tank and Demulsification and coagulant air supporting deslagging device, one end of described oil partiting precipitation pool is provided with rubbish fermentation wastewater inlet pipe, the other end is connected with equalizing tank by outlet conduit, is provided with oil slick removal device in oil partiting precipitation pool; Described equalizing tank one end is the feed-water end being connected with the outlet conduit of oil partiting precipitation pool, the other end is that water side and water side are connected with Demulsification and coagulant air supporting deslagging device with water outlet riser tubing by lift pump, position, equalizing tank water side is also provided with temp probe and apparatus for controlling water exit temperature, temp probe position and water outlet riser tubing water inlet position correspondence; Described Demulsification and coagulant air supporting deslagging device comprises a horizontally disposed accommodating body, the water inlet that is connected of the water outlet riser tubing of accommodating body one end and equalizing tank, the other end is provided with waterwall near end position, the upper lateral part that waterwall is faced accommodating body water inlet position is provided with removing dross groove, removing dross groove face is return side to a side of accommodating body water inlet position, on scum silica frost groove sidewall, be provided with scum silica frost outflow pipeline, waterwall forms hydrospace and outlet conduit is installed back to a side of accommodating body water inlet position, is positioned at removing dross groove below and is provided with water hole on waterwall.
2. kitchen garbage, waste-water preprocessing system as claimed in claim 1, it is characterized in that, in described oil partiting precipitation pool, described oil slick removal device, comprise chain, chain is arranged in the body of oil partiting precipitation pool pond and is formed the rectangular chain link of entirety by four transfer rollers that are arranged on oil partiting precipitation pool pool wall, transfer roller is connected with motor and for driving chain link rotation, on chain link vertically to being outside equipped with scraper plate, the epimere of chain link is horizontally disposed with and makes the scraper plate of chain link epimere can stretch out liquid level near body upper end, oil partiting precipitation pool pond, chain link has the oil removal wall being fixed in oil partiting precipitation pool pool wall away from one end arranged outside of rubbish fermentation wastewater inlet pipe, oil removal wall upper end is extended liquid level and is provided with oil trap in a side of closing on chain link near liquid level position, on oil trap, be provided with oil-drain pipe, between at the bottom of oil removal wall lower end and oil partiting precipitation pool pond, left hydrospace.
3. kitchen garbage, waste-water preprocessing system as claimed in claim 2, it is characterized in that, chain link near the oil partiting precipitation pool pond of rubbish fermentation wastewater inlet pipe one end at the bottom of also to being arranged with mud-collecting slot, mud-collecting slot bottom is to being arranged with mud discharging pipeline, and the hypomere of chain link is horizontally disposed with at the bottom of near oil partiting precipitation pool pond.
4. kitchen garbage, waste-water preprocessing system as claimed in claim 3, it is characterized in that, on the oil partiting precipitation pool pool wall of mud-collecting slot near top, rubbish fermentation wastewater inlet pipe one end, be also provided with drainage wall, drainage wall upper end extends upward liquid level, and hydrospace was left in drainage wall lower end.
5. kitchen garbage, waste-water preprocessing system as claimed in claim 1, it is characterized in that, the apparatus for controlling water exit temperature that described equalizing tank water side arranges, comprise a cooling tower that is positioned at equalizing tank outside, cooling tower fluid inlet is connected with top, equalizing tank water side by pipeline, cooling tower liquid outlet is connected with bottom, equalizing tank water side by the pipeline with water pump, and the water-in correspondence of the water outlet riser tubing of equalizing tank water side extends downwardly into equalizing tank water side bottom position; On the pipeline that described cooling tower fluid inlet is connected with liquid outlet, be also provided with electrothermal module.
6. kitchen garbage, waste-water preprocessing system as claimed in claim 5, it is characterized in that, also comprise an emergent equalizing tank, emergent equalizing tank one end is connected by the pipeline of belt switch valve and the outlet conduit of oil partiting precipitation pool, and the other end is provided with apparatus for controlling water exit temperature and passes through and is connected with Demulsification and coagulant air supporting deslagging device with equalizing tank respectively with the pipe of lift pump.
7. kitchen garbage, waste-water preprocessing system as claimed in claim 1, it is characterized in that, in described Demulsification and coagulant air supporting deslagging device, accommodating body water inlet one end side by side and connection is provided with emulsion splitter interpolation chamber and PAC/PAM adds chamber, emulsion splitter adds chamber and PAC/PAM interpolation chamber is provided with whipping appts, whipping appts comprises the rotating shaft that is positioned at chamber with blade and is positioned at the agitator motor that chamber is outer and be connected with rotating shaft, the water outlet riser tubing that emulsion splitter adds chamber and the equalizing tank water inlet that is connected, PAC/PAM adds chamber and accommodating body main body inner chamber is communicated with.
8. kitchen garbage, waste-water preprocessing system as claimed in claim 7, is characterized in that, described accommodating body main body intracavity bottom adds chamber location near PAC/PAM and has the inclined-plane trench structure that guiding current rise.
9. kitchen garbage, waste-water preprocessing system as claimed in claim 1, it is characterized in that, in described accommodating body, the water hole of waterwall below is also provided with every mud plate to putting body water inlet one end horizontal-extending, accommodating body bottom every mud plate below is provided with poly-mud groove, and poly-mud trench bottom is connected with spoil disposal pipeline.
10. a kitchen garbage, waste-water treatment process, is characterized in that, comprises the following steps:
A, employing are carried out pre-treatment to weighing the kitchen garbage, waste-water preprocessing system as described in arbitrary claim in 9 to kitchen garbage, waste-water as weighed 1;
Waste water after b, pre-treatment is sent to SHARON pond, adopts sequencing batch operation mode to carry out short distance nitration denitrogenation processing, and the mud of generation is discharged to sludge sump outward;
C, SHARON pond waste water after treatment are drained into the UVHSB bio-reactor acidification that is hydrolyzed, and remove some organic pollutants in waste water, improve wastewater biodegradability, and macromolecule contaminant in waste water is degraded to small molecules pollutent to produce sufficient carbon source;
Waste water after c, UVHSB bioreactor for treatment, by after receiving mill weir and collecting, flows automatically and enters MBR membrane biological reaction pond and carry out nitration denitrification and membrane biological reaction processing in overflow mode, completes whole sewage disposal flow process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199766.7A CN103936204B (en) | 2014-05-13 | 2014-05-13 | A kind of kitchen garbage, waste-water preprocessing system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105084653A (en) * | 2015-08-05 | 2015-11-25 | 重庆杰润科技有限公司 | Kitchen garbage and wastewater treatment method |
| CN107010759A (en) * | 2017-05-10 | 2017-08-04 | 仪征海天铝业有限公司 | A kind of sewage-treatment plant |
| CN107352745A (en) * | 2017-08-11 | 2017-11-17 | 中机国际工程设计研究院有限责任公司 | Kitchen garbage fermentation waste water processing method |
| CN107352744A (en) * | 2017-08-11 | 2017-11-17 | 中机国际工程设计研究院有限责任公司 | Kitchen garbage slurry fermentation waste water processing method |
| CN108178454A (en) * | 2018-01-22 | 2018-06-19 | 重庆市环卫集团有限公司 | A kind of non-membrane treating method of kitchen garbage, waste-water |
| CN108191159A (en) * | 2018-01-22 | 2018-06-22 | 重庆市环卫集团有限公司 | A kind of non-embrane method processing system of kitchen garbage, waste-water |
| CN109179737A (en) * | 2018-08-01 | 2019-01-11 | 银川保绿特生物技术有限公司 | A kind of kitchen garbage, waste-water filters, cools down, mentioning the system and method for pH value |
| CN110776149A (en) * | 2019-11-22 | 2020-02-11 | 湖北中澈环保科技有限公司 | Integrated primary treatment equipment for slag-containing and oil-containing wastewater |
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| CN105084653A (en) * | 2015-08-05 | 2015-11-25 | 重庆杰润科技有限公司 | Kitchen garbage and wastewater treatment method |
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| CN108191159B (en) * | 2018-01-22 | 2021-01-12 | 重庆市环卫集团有限公司 | Kitchen garbage waste water non-membrane method processing system |
| CN108178454B (en) * | 2018-01-22 | 2021-01-15 | 重庆市环卫集团有限公司 | Non-membrane treatment method for kitchen waste wastewater |
| CN109179737A (en) * | 2018-08-01 | 2019-01-11 | 银川保绿特生物技术有限公司 | A kind of kitchen garbage, waste-water filters, cools down, mentioning the system and method for pH value |
| CN110776149A (en) * | 2019-11-22 | 2020-02-11 | 湖北中澈环保科技有限公司 | Integrated primary treatment equipment for slag-containing and oil-containing wastewater |
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Address after: 401121 Chongqing city Yubei District and Mount Huangshan Avenue East Building 1, No. 174 Patentee after: Chongqing Environmental Sanitation Group Co., Ltd. Address before: 401121 Chongqing city Yubei District and Mount Huangshan Avenue East No. 174 Patentee before: Chongqing environmental sanitation holding (Group) Co., Ltd. |