CN104230125A - Sewage purifying system and sewage treating device - Google Patents

Sewage purifying system and sewage treating device Download PDF

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Publication number
CN104230125A
CN104230125A CN201410541183.8A CN201410541183A CN104230125A CN 104230125 A CN104230125 A CN 104230125A CN 201410541183 A CN201410541183 A CN 201410541183A CN 104230125 A CN104230125 A CN 104230125A
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CN
China
Prior art keywords
sewage
waste disposal
layer
disposal plant
contain
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410541183.8A
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Chinese (zh)
Inventor
汪显勇
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ZHENGZHOU TONGJI ENVIRONMENTAL ENGINEERING Co Ltd
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ZHENGZHOU TONGJI ENVIRONMENTAL ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201410541183.8A priority Critical patent/CN104230125A/en
Publication of CN104230125A publication Critical patent/CN104230125A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

The invention provides a sewage treating device. The sewage treating device comprises a sewage treating pond; a sewage containing chamber is arranged in the lower part of the sewage treating pond, and sewage is input through the lower part of the sewage containing chamber and is contained in the sewage containing chamber; a bearing layer is erected above the sewage containing chamber; a filtering material layer which is borne through the bearing layer is arranged above the bearing layer, wherein the filtering material layer comprises a filtering layer and an organism ecological treatment layer; the sewage is filtered through the lower part of the filtering layer and is treated through the upper part of the organism ecological treatment layer. According to the sewage purifying system and the sewage treating device, the sewage in the sewage containing chamber is filtered through the filtering layer and then enters the organism ecological treatment layer; an ecological system formed by the organism ecological treatment layer is stable and energetic, and therefore, the sewage degrading capability is improved; in addition, the work of frequently removing and drawing out sewage and other maintenance works are avoided, so that the cost is decreased. The invention also provides a sewage purifying system equipped with the sewage treating device.

Description

Sewage purification system and waste disposal plant
Technical field
The present invention relates to technical field of sewage, more particularly, relate to a kind of waste disposal plant.In addition, the invention still further relates to a kind of sewage purification system comprising above-mentioned waste disposal plant.
Background technology
Sewage is often referred to and pollutes by certain, from life and the discharge water to produce.Along with the quickening of Urbanization in China, at present, the quantity of wastewater effluent of small and medium-sized cities (town) accounts for the over half of national total amount of sewage discharge, along with the fast development of future 50 years city-building, the quantity discharged of sanitary sewage and trade effluent will several times, the even increase of tens times, certainly will the deterioration of exacerbate water environment.The deterioration of water surrounding can affect the every field of industry, agricultural and people's live and work, and therefore, in conjunction with China's present stage sewage discharge present situation, disposing of sewage of high quality, low cost is extremely urgent.
In prior art, integrated water treatment equipment or the integrated water treatment device of adopting carries out purifying treatment to sewage more, the material mainly carbon steel structure of above-mentioned two kinds of sewage disposal devices, utilize Biochemical method sewage, namely the metabolic function of microorganism is utilized, the organic substance decomposing in sewage being dissolving or colloidal state is oxidized to stable inorganic substance, sewage is purified.But residing for microorganism, Sewage Environment is severe, and cause sewage treating efficiency low, the water quality after process is bad, can not be thoroughly up to standard, and want often safeguard equipment, it is short to draw clearly the mud cycle, and cause overhead charges to increase, cost is higher.
Therefore, how improving the quality of sewage disposal and reduce costs, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of waste disposal plant, to realize improving the quality of sewage disposal and the object reduced costs; Present invention also offers a kind of sewage purification system comprising above-mentioned waste disposal plant.
In order to achieve the above object, the invention provides following technical scheme:
A kind of waste disposal plant, comprise treatment tank, described treatment tank bottom is provided with and inputs and hold the contain sewage room of sewage, above described contain sewage room, erection has supporting layer, the filter material layer by described supporting layer support is provided with above described supporting layer, described filter material layer comprises the filtering layer of bottom filter sewage, and top to sewage process organism Ecological Disposal layer.
Preferably, in above-mentioned waste disposal plant, comprise the aeration tube for the oxygenation of sewage gas distribution bottom described contain sewage room, described aeration tube is stretched into by the outside of side, described contain sewage room, offsets with the inside of contain sewage room opposite side.
Preferably, in above-mentioned waste disposal plant, described aeration tube goes up the aeration plate being evenly provided with the plate-like that multiple and described aeration tube is communicated with along its length, and described aeration plate is provided with solarization air cap.
Preferably, in above-mentioned waste disposal plant, be connected with the water inlet pipe of input sewage bottom described contain sewage room, described water inlet pipe is positioned at above described aeration tube also to be arranged near described aeration tube.
Preferably, in above-mentioned waste disposal plant, the circulates direction of described water inlet pipe is evenly provided with the water distributing pore of multiple equal aperture.
Preferably, in above-mentioned waste disposal plant, described waste disposal plant top shelf is provided with as described organism Ecological Disposal layer provides the greenhouse being incubated effect.
Preferably, in above-mentioned waste disposal plant, described top of greenhouse lays the solar panel that promising waste disposal plant provides electric energy.
Preferably, in above-mentioned waste disposal plant, described filter material layer is the ceramic filtration layer for described organism growth.
The present invention also provides a kind of sewage purification system, comprise be disposed in order coarse rack pond, fine fack pond and waste disposal plant, described waste disposal plant is the waste disposal plant described in above-mentioned any one.
Preferably, in above-mentioned sewage purification system, also comprise the sludge thickener of the mud after holding described waste disposal plant process, and the sludge dewatering equipment to sludge dewatering.
Waste disposal plant provided by the invention, sewage inputs in the contain sewage room of device, above contain sewage room, erection has the supporting layer of support filter material layer, support filter material layer above supporting layer, the sewage of filtering layer to contain sewage room of filter material layer bottom tentatively filters, sewage after filtration enters into the organism Ecological Disposal layer on filter material layer top, organism Ecological Disposal layer can comprise microorganism and plant, also animal can be added, these organic-biologicals together time, form an ecosystem, by the circulation of the ecosystem, the elements such as the nitrogen in sewage and phosphorus are degraded, and the compound in sewage can be fixed as the nutritive substance in self by the organism in these ecosystems, and then transform in the ecosystem, reduce the discharge of mud and foul smell, and not only the ecosystem formed stable but also have vigor, the ability of purifying waste water improves greatly, often need not draw the maintenance services such as mud clearly, reduce cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of embodiment of waste disposal plant provided by the invention;
Fig. 2 is a kind of embodiment workflow diagram of waste disposal plant provided by the invention;
Fig. 3 is the schematic flow sheet of sewage purification system provided by the invention;
In upper figure:
1 be solar panel, 2 be greenhouse, 3 be emergent, 4 be contain sewage room, 5 aeration tubes, 6 are supporting layer, 7 be water distributing pore, 8 be aeration plate, 9 be water inlet pipe, 10 be filter material layer, 11 be clear water, 12 for treatment tank.
Embodiment
The invention discloses a kind of waste disposal plant, improve the quality of sewage disposal and the object reduced costs; Present invention also offers a kind of sewage purification system comprising above-mentioned waste disposal plant.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1 to Figure 3, Fig. 1 is the structural representation of a kind of embodiment of waste disposal plant provided by the invention; Fig. 2 is a kind of embodiment workflow diagram of waste disposal plant provided by the invention; Fig. 3 is the schematic flow sheet of sewage purification system provided by the invention.
The invention provides a kind of waste disposal plant, comprise treatment tank 12, treatment tank 12 bottom is provided with and inputs and hold the contain sewage room 4 of sewage, above contain sewage room 4, erection has supporting layer 6, the filter material layer 10 by described supporting layer 6 support is provided with above supporting layer 6, filter material layer 10 comprises the filtering layer of bottom filter sewage, and top to sewage process organism Ecological Disposal layer.Input and accommodate sewage in contain sewage room 4, above contain sewage room 4, erection has the supporting layer 6 of support filter material layer, support filter material layer 10 above supporting layer 6, the sewage of filtering layer to contain sewage room 4 of filter material layer 10 bottom tentatively filters, sewage after filtration enters into the organism Ecological Disposal layer on filter material layer 10 top, organism Ecological Disposal layer can comprise microorganism and plant, also animal can be added, these organic-biologicals together time form an ecosystem, by the circulation of the ecosystem, the elements such as the nitrogen in sewage and phosphorus are degraded, and the compound in sewage can be fixed as the nutritive substance in self by the organism in these ecosystems, and then transform in the ecosystem, reduce the discharge of mud and foul smell, namely the ecosystem formed is stablized and is had vigor, the ability of purifying waste water improves greatly, often need not draw the maintenance services such as mud clearly, reduce cost.
Concrete, organism Ecological Disposal layer can accommodate the root system of emergent 3, emergent 3 cauline leaf part surfaces and carries out photosynthesis, microorganism and animal is accommodated around the root system of emergent 3, such as protozoon, zooplankton, worm, snail, clam, even fish and algae etc., huge root system can hold 2000-3000 kind biological flora; These microorganisms and animal can be degraded to the sewage of organism Ecological Disposal layer; The root nodule bacterium of emergent 3 and azotobacter, with nitrobacteria together with denitrifying bacterium, complete nitrogen fixation in sewage, and emergent 3 also can by same for the nitrogenous compound in the sewage organism changing into self, and then provide nutrition for rimary consumer, more senior human consumer is by other biological these nitrogen of acquisition of predation, then metabolism or other processes is passed through, repeatedly after circulation, these nitrogen are obtained by emergent 3 root system, and then enter in the circulation of nitrobacteria and denitrifying bacterium, complete nitrogen fixation; The necessary element that phosphorus grows as emergent 3, emergent 3 absorbs phosphorus in sewage to realize the growth needs of self, thus reduces the phosphorus content in sewage.Clear water 11 is become after the treated reaction of sewage, be positioned at the top of organism Ecological Disposal layer, the root system of emergent 3 is that animal and microorganism provide a healthy growth habitat, the detergent power of microorganism to sewage is improved greatly, and emergent 3 self also serve the effect of degradation of sewage.In addition, emergent 3 self also serves the effect that information is transmitted, when good sewage processing effect, emergent 3 in water is flourishing, grow vigorous, when pollutant removal is bad, the emergent 3 in water will wither jaundice, and these can reflect the quality of wastewater treatment efficiency indirectly.
In the present invention one specific embodiment, comprise the aeration tube 5 for the oxygenation of sewage gas distribution bottom contain sewage room 4, aeration tube 5 is stretched into by the outside of side, contain sewage room 4, offsets with the inside of contain sewage room 4 opposite side.The horizontally disposed bottom in contain sewage room 4 of aeration tube 5, is stretched into by one end, contain sewage room 4, offsets with contain sewage room 4 the other end; Part microorganism in device carries out aerobic biochemical reaction when passing into oxygen, the organism depended on the Institute of Micro-biology in sewage and inorganics form active sludge, by the food chain relation of complexity, remove organism, ammonia nitrogen and the phosphorus in sewage, and the more clean effects of dissolved oxygen are better, when carrying out aerobic biochemical reaction, pass into air by aeration tube 5 to the sewage in device, increase dissolved oxygen, improve the clean effect of microorganism.
In the present invention one specific embodiment, aeration tube 5 goes up the aeration plate 8 being evenly provided with multiple plate-likes be communicated with aeration tube 5 along its length, and aeration plate 8 is provided with solarization air cap.Multiple aeration plate 8 is evenly installed on the aeration tube 5 in contain sewage room 4, rupture disk 8 one connects the interface of aeration tube 5, the other end is in the form of annular discs, disk is arranged multiple solarization air cap, when aeration tube 5 passes into air, more strong from the contact of aeration plate 8 air out and sewage, air and waste water face connect larger, oxygen in air is more dissolved in sewage, improves the scavenging effect in aerobic reaction stage.
In the present invention one specific embodiment, be connected with the water inlet pipe 9 of input sewage bottom contain sewage room 4, water inlet pipe 9 is positioned at above aeration tube 5 also to be arranged near aeration tube 5.Input sewage by water inlet pipe 9 bottom contain sewage room 4, water inlet pipe 9, above aeration tube 5, on the one hand, prevents the water inlet of sewage from affecting aeration process, on the other hand, ensure that aeration effect, add the dissolved oxygen of sewage.
In the present invention one specific embodiment, the circulates direction of water inlet pipe 9 is evenly provided with the water distributing pore 7 of multiple equal aperture.Water inlet pipe 9 is entered by one end, contain sewage room 4, offset with contain sewage room 4 the other end, water inlet pipe 9 upper surface is laid with multiple water distributing pore 7 along on water inlet direction, water distributing pore 7 spacing same apertures is identical, ensure that contain sewage room 4 sewage is uniformly distributed, make the filtering layer of filter material layer 10 even to sewage water filtration, the organic-biological in organism Ecological Disposal layer and waste water evenly, degrading quality is higher.
In the present invention one specific embodiment, waste disposal plant top shelf is provided with as organism Ecological Disposal layer provides the greenhouse 2 being incubated effect.Greenhouse 2 is the glass chamber adopting light steel frame structure to make, the ecoscape in auto levelizer can be seen from greenhouse 2, greenhouse 2 can guarantee that organism keeps vigorous vigor under preferred ambient temperature, ensure that whole waste disposal plant can run throughout the year, and, if add emergent 3 in organism Ecological Disposal layer, the photosynthesis of emergent 3 can convert the carbonic acid gas that sewage treatment process produces to oxygen, and take the lead in the carbon emission reduction realized in sewage treatment process.In addition, waste disposal plant can remove stink in built-in biological filter ground, can be used for the high-grade community that requirement is strict.
In the present invention one specific embodiment, the solar panel 1 that promising waste disposal plant provides electric energy is laid at top, greenhouse 2.Solar panel 1 has response to light and transform light energy can be become the device of electric energy.Solar panel 1 material is silicon single crystal, and its electricity generating principle is that P-type crystal silicon can obtain N-type silicon through Doping Phosphorus, forms P-N junction.When irradiate light solar cell surface, a part of photon is absorbed by silicon materials; The transmission ofenergy of photon gives Siliciumatom, electronics be there occurs and more move, and becomes unbound electron and gathers in P-N junction both sides and define potential difference, when circuit is connected in outside, under the effect of this voltage, flows through external circuit produce certain output rating by having electric current.The essence of this process is the process that photon energy converts electric energy to.Stored electric energy is on the one hand as plant area's street lighting, and another aspect, also for waste disposal plant provides electric energy, to realize the mutual conversion of energy, reaches the object of save energy, realizes the environmental protection of power supply.
In the present invention one specific embodiment, filter material layer 10 is the ceramic filtration layer for organism growth.Haydite is the particle of ceramic, gap between haydite can accommodate body, such as emergent 3 root system and other organic-biological, and haydite be also a kind of can as the material of soilless culture, the growth of plant such as emergent 3 grade can be ensured, haydite surface is mellow and full, avoids the damage to emergent 3 root system or other organic-biological.
In addition, concrete from workflow, as shown in Figure 2, the operation of the waste disposal plant that the present embodiment provides comprises into water, reaction, precipitates, strains water and standby double teacher, and waste disposal plant is divided into anaerobic/anoxic district, aerobic zone and deoxidation district.During water inlet, the former water of sewage is mixed into deoxidation district with the muddy water flowed back to from aerobic zone, anaerobic/anoxic district is flowed into after releasing the oxygen in sewage, carry out the anti-nitration reaction of de-release of N and P, simultaneously, aerobic zone aeration carries out the organism that sewage is removed in nitrated aerobic biochemical reaction, sewage in waste disposal plant ceaselessly circulating reaction, after reaction terminates, the mixed solution in device is carried out solid-liquid separation, then after complete static for some time, when in device, water level rises to high-water, precipitate phase terminates, the supernatant liquor on upper strata is drained outside waste disposal plant, stop when water level is reduced to low-water level straining water, often be less than theoretical maximum time owing to straining water required time, thus strain water complete after for some time be the standby phase, the water quality of this stage visual sewage, the water yield and processing requirements determine its length or cancellation, also can get rid of residual active sludge in device in this stage.
As shown in Table 1, form 1 is the actual measurement sewage disposal result data of waste disposal plant provided by the invention.
Form 1 is the actual measurement sewage disposal result data of waste disposal plant provided by the invention
Can be found out by form 1, the waste disposal plant effluent quality that the present embodiment provides is good, can reach national category-A standard, meets Treated sewage reusing requirements such as afforesting, flush the toilet, also can be used as ecoscape make up water.By adopting special process combination, GB3838-2002 water environment quality standard V class standard can be reached.Further, the waste disposal plant that this present embodiment provides belongs to closed system, greatly can slow down distributing of heat in pond, keep sewage temperature, maintain higher contaminant removal efficiency, cold season, its contaminant removal efficiency was also apparently higher than same kind processing device in the winter time, guaranteed wastewater treatment efficiency.In addition, it is little that the waste disposal plant that the present embodiment provides also possesses floor space, the advantage of characteristics of compact layout, adopts integrated technology, ton water treatment floor space≤0.5m 2.
Based on the waste disposal plant provided in above-described embodiment, present invention also offers a kind of sewage purification system, comprise be disposed in order coarse rack pond, fine fack pond and waste disposal plant, the waste disposal plant that described waste disposal plant provides for above-described embodiment.
Concrete, as shown in Figure 3, in sewage purification system, following workflow can be comprised:
First, behind coarse rack pond, water inlet pump sump is flowed into after sewage is precipitated by septic tank, when sewage is by coarse rack pond, the foreign material such as the fiber be mixed with in sewage, plastics and paper are retained by grid, prevent the mechanical means of water pump and process structures and pipeline are worn or block, follow-up processing flow can be carried out smoothly;
Afterwards, sewage enters the equalizing tank of Sewage treatment systems again after fine fack pond, sand setting equipment by intake pump, the adjustment of water quality and the water yield is carried out in equalizing tank, effluent stream is when fine fack and sand setting equipment, tiny foreign material in water and sand setting are trapped, in order to the normal operation of subsequent handling;
Then, sewage is delivered to waste disposal plant by sewage pump from equalizing tank and carries out reaction decontamination, sterilizes and then flow into clean water basin after draining clear water;
In addition, mud in waste disposal plant under precipitation enters sludge thickener by sludge pump and carries out gravity concentration, then carries out aerobic stabilization in sludge stabilization pond, then after concentrating further in settling pond, be delivered to sludge dewatering equipment to dewater, the mud outward transport process after dehydration.
Above whole waste water processes all can adopt PLC to control, and Controlling System is by networking, and realize remote monitoring, operating automation degree is high, substantially can realize unmanned.
Because this sewage purification system have employed the waste disposal plant of above-described embodiment, so the beneficial effect that sewage purification system is brought by waste disposal plant handle please refer to above-described embodiment.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a waste disposal plant, it is characterized in that, comprise treatment tank (12), described treatment tank (12) bottom is provided with and inputs and hold the contain sewage room (4) of sewage, described contain sewage room (4) top erection has supporting layer (6), described supporting layer (6) top is provided with the filter material layer (10) by described supporting layer (6) support, described filter material layer (10) comprises the filtering layer of bottom filter sewage, and top to sewage process organism Ecological Disposal layer.
2. waste disposal plant according to claim 1, it is characterized in that, described contain sewage room (4) bottom comprises the aeration tube (5) for the oxygenation of sewage gas distribution, described aeration tube (5) is stretched into by the outside of described contain sewage room (4) side, offsets with the inside of contain sewage room (4) opposite side.
3. waste disposal plant according to claim 2, it is characterized in that, described aeration tube (5) goes up the aeration plate (8) being evenly provided with the plate-like that multiple and described aeration tube (5) is communicated with along its length, and (8) are provided with solarization air cap to described aeration plate.
4. waste disposal plant according to claim 2, it is characterized in that, described contain sewage room (4) bottom is connected with the water inlet pipe (9) of input sewage, and described water inlet pipe (9) is positioned at above described aeration tube also to be arranged near described aeration tube (5).
5. waste disposal plant according to claim 4, is characterized in that, the circulates direction of described water inlet pipe (9) is evenly provided with the water distributing pore (7) of multiple equal aperture.
6. waste disposal plant according to claim 1, is characterized in that, described waste disposal plant top shelf is provided with as described organism Ecological Disposal layer provides the greenhouse (2) of insulation.
7. waste disposal plant according to claim 6, is characterized in that, described greenhouse (2) top is laid promising waste disposal plant and provided electric energy solar panel (1).
8. waste disposal plant according to claim 1, is characterized in that, described filter material layer (10) is the ceramic filtration layer for described organism growth.
9. a sewage purification system, is characterized in that, comprise be disposed in order coarse rack pond, fine fack pond and waste disposal plant, described waste disposal plant is the waste disposal plant as described in any one of claim 1 to 8.
10. sewage purification system according to claim 9, is characterized in that, also comprises the sludge thickener of the mud after holding described waste disposal plant process, and the sludge dewatering equipment to sludge dewatering.
CN201410541183.8A 2014-10-14 2014-10-14 Sewage purifying system and sewage treating device Pending CN104230125A (en)

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Application publication date: 20141224