CN202785923U - Multilayer distributed worm reactor for municipal sludge reduction treatment - Google Patents
Multilayer distributed worm reactor for municipal sludge reduction treatment Download PDFInfo
- Publication number
- CN202785923U CN202785923U CN2012203232609U CN201220323260U CN202785923U CN 202785923 U CN202785923 U CN 202785923U CN 2012203232609 U CN2012203232609 U CN 2012203232609U CN 201220323260 U CN201220323260 U CN 201220323260U CN 202785923 U CN202785923 U CN 202785923U
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- mud
- sludge
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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Abstract
The utility model relates to a multilayer distributed worm reactor for municipal sludge reduction treatment. The multilayer distributed worm reactor comprises a reactor shell and clapboards, wherein the clapboards are arranged in the reactor shell and used for separating the hollow cavity of the reactor shell into a plurality of flow channels to ensure that the up-and-down baffling of sludge in the hollow cavity of the reactor shell is vertically and alternately arranged through the clapboards of the flow channels; paddings are arranged in the flow channels and are padding boxes composed of several layers of vertically-arranged screens; worms are arranged on the screens; a sludge inlet of the reactor is provided with a sludge inlet valve; a sludge outlet of the reactor is provided with a sludge outlet valve; and aerating devices capable of offering the worms required trace dissolved oxygen and enabling the sludge to be suspended in the water and in full contact with the worms are arranged at bottoms of the flow channels. With the adoption of the reactor disclosed by the utility model, the shortcomings that a conventional reactor is complex in worm adhering operation, long in start time, limited in the ability of resisting the water flow impact and the like in the prior art are overcome. The reactor disclosed by the utility model has the advantages of high-density biomass and strong feasibility of implementation.
Description
Technical field
The utility model is the Multi-layer scattering worm-reactor that a kind of reducing urban sludge is processed, and particularly worm-reactor reducing urban sludge system belongs to the innovative technology that utilizes the biotechnology lignin-sludge.
Background technology
Municipal sewage treatment produces a large amount of mud.Along with the fast development of Chinese society economy, municipal sewage treatment Facilities Construction paces are accelerated, and the sludge quantity that Sewage Plant produces is increasing.By 2010, National urban sewage disposal total scale reached 1 * 10
8m
3/ d, the wet mud of daily output reaches 17.5 ten thousand tons.Mud contains organism, heavy metal and pathogenic microorganism, and its water ratio is high, and is perishable, and strong odor is arranged, and brings serious pollution problem to environment.The conventional processing of mud is concentrated, digestion, dehydration and ultimate disposal.At present, the mode of sludge ultimate disposal has soil utilization, landfill and burning.Because of the heavy metal in the mud and organic pollutant, the soil utilization is subject to more and more stricter restriction; Can be day by day in short supply again for the land used of Sludge landfill, sludge incineration is difficult to promote at home because cost is high.Therefore, Sewage Plant faces the difficult problem of mud outlet.Mud decrement is the best mode that solves the mud outlet, therefore, seeks efficient, less energy-consumption and the sludge reduction method that is easy to realize becomes the study hotspot of ﹠ Mud.
Sludge Reduction Technologies has at present: (1) is based on the anabolic uncoupling technology of biomass cells; (2) the broken born of the same parents circulation/microorganism recessive growth technology that recycles based on bio-matrix; (3) endogenous respiration; (4) microorganism predation.Microorganism predation Sludge Reduction Technologies wherein, its principle is longer based on ecological food chain, and power loss is larger, and the biomass of generation is also lower.This technology utilizes microfauna to the predation of mud food chain upstream microorganism by creating artificially the growing environment of microfauna, and mud is converted into high bio-energy, water and carbonic acid gas, thereby the whole index of sludge quantity is reduced.Three technology is compared in front of this technology, and not only processing cost is low, and mud decrement is effective, and belongs to Ecological Disposal, non-secondary pollution.Therefore, the decrement method of microorganism predation more and more comes into one's own.But because microfauna is extremely responsive to environment, in Sewage treatment systems, be difficult to the kind that keeps stable, therefore, the key that the exploitation biological density is high, sludge decrement reactor that population structure is stable becomes this technology.Publication number is that 1778727 " deflector type oligochaete sludge decrement reactor " discloses a kind of equipment that utilizes the biotechnology lignin-sludge, but oligochaete can only be attached on the inwall of reactor in this equipment, adhesion amount is little, and population is unstable, and the ability of opposing water impact is low.Publication number is the equipment that 101157501 " city sewage and sludge decrement treatment helminth attaching biological bed " also discloses a kind of mud of carrying out a biological disposal upon, but this equipment filler is made trouble, complicated operation, start time that worm adheres to are long, and the opposing water impact is limited in one's ability.
Summary of the invention
The purpose of this utility model is to consider the problems referred to above and a kind of Multi-layer scattering worm-reactor that the strong reducing urban sludge of highdensity biomass, implementation is processed that has is provided.The utility model overcomes the defectives such as prior art worm attach operation is loaded down with trivial details, start time long, the opposing water impact is limited in one's ability.
The technical solution of the utility model is: the Multi-layer scattering worm-reactor that reducing urban sludge of the present utility model is processed, reactor includes reactor shell and is installed in the reactor shell, the set hollow cavity of reactor shell is divided into the dividing plate of some flow channels, the mud vertical folding stream that makes the set hollow cavity of inflow reactor housing vertically is crisscross arranged by the dividing plate of each flow channels, and be provided with filler in each flow channels, filler is the filler casing that is comprised of the vertical screen cloth of placing of some layers, be placed with worm on the screen cloth, the mud inlet of reactor is equiped with the Mud-intake valve door, the mud mouth of reactor is equiped with the mud extraction valve, the bottom of flow channels is equiped with can supply with the required trace dissolved oxygen of worm, and make sludge suspension in water, the aerating apparatus that mud and worm are contacted fully.
There is overflow port at the liquid level place on above-mentioned reactor top, and the bottom of reactor is provided with blow-down pipe.
Set overflow port place, above-mentioned reactor top also is equiped with the screen cloth that anti-worm is run off.
The top of above-mentioned reactor is provided with removable cover.
The spacing of adjacent two layers screen cloth is 3-5cm in the above-mentioned filler casing, and the width of mesh of screen cloth is 0.15 * 0.15cm in the filler casing.
The some layers of screen cloth of placing in the above-mentioned filler casing are fixed by some pillars.
Above-mentioned filler casing is integral body to propose outside the pond, can easily worm be placed on the bascule on each layer screen cloth.
Above-mentioned filler casing is the stainless steel casing, and pillar is the stainless steel pillar.
The aerating apparatus that each flow channels bottom is provided with in the above-mentioned reactor is equipped with the valve of independently controlling tolerance; The air of aeration divides distribution capacity by the aeration pump pressurization by splitter, is transported to aerating apparatus by each blast main again.
The Mud-intake valve door of above-mentioned reactor mud inlet installing is connected with the mud mouth of sludge pump, and sludge pump extracts mud and enters reactor after by Mud-intake valve door adjust flux from mud storage pool.
The utility model is owing to be provided with the dividing plate that vertically is crisscross arranged that the set hollow cavity of reactor shell is divided into some flow channels in the employing reactor shell, the mud that dividing plate makes the set hollow cavity of inflow reactor housing is baffling up and down, and be provided with some filler casings in each flow channels, some layers of screen cloth of the vertical placement in edge in the filler casing, place wormy structure on the screen cloth, the utility model compared with prior art has following features:
1) filler of reactor of the present utility model is made of multilayer screen cloth, as the carrier of worm apposition growth.The filling-material structure design of unique multilayer screen cloth is dispersed on the space of whole reactor worm fully, and reactor has very high biomass, has guaranteed efficient mud decrement effect.
2) screen cloth of the utility model filler has cushioned the impact of current to a certain extent, has guaranteed the growing environment that worm is stable, gives full play to the effect of worm mud decrement.Screen cloth and mud collision by have wherein increased contacting of mud and worm, have improved the efficient of mud decrement.
3) the utility model is according to the large characteristics of the growth rhythm of worm trend concentration, the density of filler from the import of reactor to outlet decrescence, the distribution density of worm is consistent with filler, meet sludge concentration in reactor from the head end to the end decrescence rule.
4) the utility model selects positive tubificid as the microfauna population of mud decrement, only need provide the dissolved oxygen of trace, the consumption of saving the energy.
5) the utility model reactor is provided with aerating apparatus, has both guaranteed the dissolved oxygen content that worm is required, again mud mixed liquid is played stirring action, prevents mud sedimentation in reactor.The aerating apparatus that each flow channels bottom arranges in the reactor has separately independently valve control tolerance, can regulate neatly according to the worm distribution density in the reactor size of tolerance.
6) the utility model need not to reequip original sewage treatment facility, does not affect operation and the wastewater treatment efficiency of original Sewage treatment systems, and less investment is workable.
7) reactor resistant mud impact load of the present utility model, environment is adaptable to external world, can stablize the Ecological Disposal that effectively realizes the excess sludge of municipal sewage plant, has wide promotion prospect.
8) the utility model can be mentioned whole filler casing easily, place worm at each layer screen cloth, can reach highdensity worm by multilayer screen cloth and distribute, screen cloth has also cushioned the impact of current to a certain extent, has improved the current resistibility of reactor worm.
9) the utility model does not need to induce fixedly microfauna, has saved widely the time of microfauna domestication, and reactor start-up is simple, can adapt to the mud of processing different concns, and the excess sludge that can be used for sewage work is processed.
The utility model has been realized the mud decrement effect of efficient stable, reaches the effect of ecological mud decrement.The utility model is that a kind of design is ingenious, excellent property, the Multi-layer scattering worm-reactor that convenient and practical reducing urban sludge is processed.
Description of drawings
Fig. 1 is the structural representation that the utility model reactor is used for sludge treatment;
Fig. 2 is the vertical view that the utility model reactor is used for sludge treatment;
Fig. 3 is the side-view of filler casing in the utility model reactor.
Embodiment
Embodiment:
Structural representation of the present utility model such as Fig. 1,2, shown in 3, the Multi-layer scattering worm-reactor that reducing urban sludge of the present utility model is processed, reactor 8 includes reactor shell and is installed in the reactor shell, the set hollow cavity of reactor shell is divided into the dividing plate 7 of some flow channels, the mud vertical folding stream that makes the set hollow cavity of inflow reactor housing vertically is crisscross arranged by the dividing plate 7 of each flow channels, and be provided with filler in each flow channels, filler is the filler casing 3 that is comprised of the vertical screen cloth 9 of placing of some layers, be placed with worm on the screen cloth 9, the mud inlet of reactor 8 is equiped with Mud-intake valve door 4, the mud mouth of reactor 8 is equiped with mud extraction valve 11, the bottom of flow channels is equiped with can supply with the required trace dissolved oxygen of worm, and make sludge suspension in water, the aerating apparatus 5 that mud and worm are contacted fully.Between the adjacent separator 7 and be the mud flow channels between the sidewall of dividing plate 7 and reactor 8 housings.In the present embodiment, the highdensity worm of apposition growth on screen cloth 9.
There is overflow port 10 at the liquid level place on above-mentioned reactor 8 tops.
The bottom of above-mentioned reactor 8 is provided with blow-down pipe 12,13.
The top of above-mentioned reactor 8 is provided with removable cover 6.
The spacing of the adjacent two layers screen cloth 9 in the above-mentioned flow channels filler casing 3 is 3-5cm, and the width of mesh of screen cloth 9 is 0.15 * 0.15cm in the filler casing 3.
The some layers of screen cloth 9 of above-mentioned filler casing 3 interior placements are fixing by some pillars 14.
It is the bascule that can easily worm be placed on each layer screen cloth 9 that above-mentioned filler casing 3 is made, and filler casing 3 can wholely propose outside the pond.
Above-mentioned filler casing 3 is the stainless steel casing, and pillar 14 is the stainless steel pillar.
The aerating apparatus 5 that above-mentioned reactor 8 each flow channels bottom are provided with is equipped with the valve 15 of independently controlling tolerance.The air of aeration by 17 minutes distribution capacities of splitter, is transported to aerating apparatus 5 by each blast main 16 by aeration pump 18 pressurizations again.
In the present embodiment, the Mud-intake valve door 4 of above-mentioned reactor 8 mud inlets installing is connected with the mud mouth of sludge pump 2, and sludge pump 2 extracts mud and enters reactor 8 after by Mud-intake valve door 4 adjust fluxes from mud storage pool 1.
Principle of work of the present utility model is as follows: sludge pump 2 extracts mud from mud storage pool 1 and enters reactor 8 through Mud-intake valve door 4, and Mud-intake valve door 4 controls that the mud inlet place is provided with enter the flow of the mud in the reactor 8 and the hydraulic detention time of mud.The mud that enters in the reactor 8 flows by baffling about the flow channels between the dividing plate 7, during by each flow channels with reactor 8 in filler casing 3 on worm contact, mud is successively by the filler casing 3 in each flow channels, the filter screen 9 that is provided with in last lattice flow channels of reactor 8 is from sludge outlet 11 outflows of reactor 8.Mud is preyed on by highdensity worm, realizes that mud decrement is more than 72%.
In the whole service process, reactor 8 interior hydraulic detention times are 13-20 hour, and dissolved oxygen concentration is not less than 0.5mg/L in the mud, water temperature 18-30 ℃, and pH5.6-8.5.
The utility model worm is attached to growth on the screen cloth 9, because the filler of multilayer screen cloth 9 is the flow channels of reactor 8 abrim, thereby worm is dispersed in the whole reactor fully, can obtain highdensity worm biomass, thereby obtain efficient mud decrement effect, the worm of the utility model reactor is positive tubificid.The mud of screen cloth 9 flows of filler plays shock absorption, has improved the water impact resistibility of worm.The utility model has overcome in the past worm-reactor and need to induce worm to be attached on the filler, during the payment for initiation of reactor, and troublesome poeration, opposing water impact defective limited in one's ability.The worm of the utility model reactor adhering on filler is simple, saves the start time of reactor operation.
Effect of the present utility model is as follows:
Claims (10)
1. the Multi-layer scattering worm-reactor processed of a reducing urban sludge, it is characterized in that reactor (8) includes reactor shell and is installed in the reactor shell, the set hollow cavity of reactor shell is divided into the dividing plate (7) of some flow channels, the mud vertical folding stream that makes the set hollow cavity of inflow reactor housing vertically is crisscross arranged by the dividing plate (7) of each flow channels, and be provided with filler in each flow channels, filler is the filler casing (3) that is comprised of the vertical screen cloth (9) of placing of some layers, screen cloth is placed with worm on (9), the mud inlet of reactor (8) is equiped with Mud-intake valve door (4), the mud mouth of reactor (8) is equiped with mud extraction valve (11), the bottom of flow channels is equiped with can supply with the required trace dissolved oxygen of worm, and make sludge suspension in water, the aerating apparatus (5) that mud and worm are contacted fully.
2. the Multi-layer scattering worm-reactor of reducing urban sludge processing according to claim 1 is characterized in that there is overflow port (10) at the liquid level place on above-mentioned reactor (8) top, and the bottom of reactor (8) is provided with blow-down pipe (12,13).
3. the Multi-layer scattering worm-reactor processed of reducing urban sludge according to claim 1 is characterized in that the set overflow port in above-mentioned reactor (8) top (10) locates also to be equiped with the screen cloth (9) that anti-worm is run off.
4. the Multi-layer scattering worm-reactor of reducing urban sludge processing according to claim 1 is characterized in that the top of above-mentioned reactor (8) is provided with removable cover (6).
5. the Multi-layer scattering worm-reactor processed of reducing urban sludge according to claim 1, the spacing that it is characterized in that adjacent two layers screen cloth (9) in the above-mentioned filler casing (3) is 3-5cm, and the width of mesh of screen cloth (9) is 0.15 * 0.15cm in the filler casing (3).
6. the Multi-layer scattering worm-reactor of reducing urban sludge processing according to claim 1 is characterized in that the some layers of screen cloth (9) of placing in the above-mentioned filler casing (3) are fixing by some pillars (14).
7. the Multi-layer scattering worm-reactor of reducing urban sludge processing according to claim 1 is characterized in that above-mentioned filler casing (3) is integral body to propose outside the pond, can easily worm be placed on the bascule on each layer screen cloth (9).
8. the Multi-layer scattering worm-reactor of reducing urban sludge processing according to claim 6 is characterized in that above-mentioned filler casing (3) is the stainless steel casing, and pillar (14) is the stainless steel pillar.
9. the Multi-layer scattering worm-reactor of reducing urban sludge processing according to claim 1 is characterized in that the aerating apparatus (5) that each flow channels bottom is provided with in the above-mentioned reactor (8) is equipped with the valve (15) of independently controlling tolerance; The air of aeration by splitter (17) minute distribution capacity, is transported to aerating apparatus (5) by each blast main (16) by aeration pump (18) pressurization again.
10. the Multi-layer scattering worm-reactor processed of reducing urban sludge according to claim 1, the Mud-intake valve door (4) that it is characterized in that above-mentioned reactor (8) mud inlet installing is connected with the mud mouth of sludge pump (2), and sludge pump (2) extracts mud and enters reactor (8) after by Mud-intake valve door (4) adjust flux from mud storage pool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203232609U CN202785923U (en) | 2012-07-05 | 2012-07-05 | Multilayer distributed worm reactor for municipal sludge reduction treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203232609U CN202785923U (en) | 2012-07-05 | 2012-07-05 | Multilayer distributed worm reactor for municipal sludge reduction treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202785923U true CN202785923U (en) | 2013-03-13 |
Family
ID=47813229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203232609U Expired - Lifetime CN202785923U (en) | 2012-07-05 | 2012-07-05 | Multilayer distributed worm reactor for municipal sludge reduction treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202785923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807304A (en) * | 2012-07-05 | 2012-12-05 | 广东工业大学 | Multilayer distributed worm reactor for urban sludge reduction treatment |
| CN104058504A (en) * | 2014-05-08 | 2014-09-24 | 郭铁柱 | Ecological energy sewage treatment system |
-
2012
- 2012-07-05 CN CN2012203232609U patent/CN202785923U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807304A (en) * | 2012-07-05 | 2012-12-05 | 广东工业大学 | Multilayer distributed worm reactor for urban sludge reduction treatment |
| CN104058504A (en) * | 2014-05-08 | 2014-09-24 | 郭铁柱 | Ecological energy sewage treatment system |
| CN104058504B (en) * | 2014-05-08 | 2017-05-03 | 郭铁柱 | Ecological energy sewage treatment system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |