CN202717632U - Carbon source enrichment device for low-carbon sewage treatment - Google Patents
Carbon source enrichment device for low-carbon sewage treatment Download PDFInfo
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- CN202717632U CN202717632U CN 201220389879 CN201220389879U CN202717632U CN 202717632 U CN202717632 U CN 202717632U CN 201220389879 CN201220389879 CN 201220389879 CN 201220389879 U CN201220389879 U CN 201220389879U CN 202717632 U CN202717632 U CN 202717632U
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Abstract
A carbon source enrichment device for low-carbon sewage treatment comprises a pond body, a water inlet, a water outlet, a sludge discharging port and a water outlet weir, wherein the water inlet and the water outlet are arranged on upper portions of the pond body, the sludge discharging port is arranged on the lower portion of the pond body, and the water outlet weir is arranged in the pond body corresponding to the water outlet. The carbon source enrichment device is characterized in that a barrel-shaped guide device is arranged in the middle of the inner side of the pond body, a water inlet end is arranged on the upper portion of the guide device, the water inlet end is communicated with the water inlet of the pond body through a water inlet pipeline, the bottom end of the guide device is provided with a downward opening serving as a water outlet end, a guide reflection component is arranged below the water outlet end, the top face of the guide reflection component is a guide reflection working face which is a conical face with an upward vertex, the conical face and the guide device are coaxial, and the diameter of the bottom end of the conical face is bigger than that of the water outlet end of the guide device. Inflowing water is upwards reflected to form upward water currents through the reflection component, sludge is driven upwards to form a suspending sludge layer, carbon source enrichment is achieved through the suspending sludge layer, carbon sources are needless to be additionally provided, and denitrificaiton can be achieved.
Description
Technical field
The utility model relates to a kind of waste disposal plant, especially used carbon source enriching apparatus during the low-carbon (LC) sewage disposal.
Background technology
(the carbon source shortage refers to the own carbon source shortage in the waste water or consumes carbon source excessively owing to Sewage Treatment in Process Design is unreasonable cause carbon source to lack the waste water that lacks for carbon source at present, and exist the organism that much has bio-toxicity not lacked by the carbon source that biological utilisation causes in the trade effluent), if crossing to hang down, carbon source concentration can't realize denitrification denitrogenation.Realize denitrogenation, at first must improve carbon source concentration in the waste water.And improve the mode that carbon source concentration all is the employing additional carbon, and make the water that becomes the high density of homogeneous carbon source in the pond, realize denitrification denitrogenation.The mode of this additional carbon certainly will increase the cost of water treatment.
If can be in the pond local space enrichment carbon source, improve carbon source concentration, realize denitrification denitrogenation, just additional carbon again is conducive to reduce energy consumption, the cost of reduction water treatment, the generation of reduce mud amount.Therefore await at present developing a kind of can be in the pond local space enrichment carbon source realize the device and method of denitrification denitrogenation, to substitute the mode of additional carbon.
The utility model content
The shortcoming that exists in order to overcome above-mentioned prior art, the purpose of this utility model is to provide a kind of low-carbon (LC) sewage disposal carbon source enriching apparatus, realizes the carbon source enrichment by the sludge blanket that form to suspend, and it needn't additional carbon, can carry out denitrification denitrogenation to low-carbon (LC) waste water and process, energy consumption is low.
For realizing above-mentioned utility model purpose, the low-carbon (LC) sewage disposal carbon source enriching apparatus that the utility model provides comprises that Chi Tiji is arranged on the water-in on body top, pond, water outlet, is arranged on the mud discharging mouth of body bottom, pond; Correspondingly with described water outlet in the body of pond, be provided with effluent weir; The middle part is provided with the guiding device of tubular in the body of described pond, and this guiding device top arranges feed-water end, and this feed-water end is communicated with the water-in of Chi Tishang by inlet channel; The bottom of guiding device is made as downward opening water side, one fixing water conservancy diversion reflection part is set under this water side, the end face of described water conservancy diversion reflection part is water conservancy diversion reflective operation face, this water conservancy diversion reflective operation face is summit cone surface up, this cone surface and the coaxial setting of described guiding device, the diameter of cone surface bottom is greater than the diameter of guiding device water side.
The preferred version of this carbon source enriching apparatus: described guiding device inside arranges three sections diversion cavity, three sections coaxial along the vertical direction successively orders of diversion cavity are tightly connected, and three sections diversion cavity edge directions from top to bottom are designated as respectively the first diversion cavity, the second diversion cavity, the 3rd diversion cavity;
The first diversion cavity is the right cylindrical chamber;
The second diversion cavity is conical cavity, and top end diameter is less than the bottom diameter; Its top end diameter equals the diameter of the first diversion cavity;
The 3rd diversion cavity also is conical cavity, and top end diameter is greater than the bottom diameter, and its top end diameter equals the bottom diameter of the second diversion cavity;
The feed-water end of guiding device is arranged on described the first diversion cavity.
The preferred version of this carbon source enriching apparatus: the corresponding mud scraper that is provided with described water outlet of described pond body inner bottom part, the center driving main shaft of described mud scraper passes the center of described guiding device, and the motor section of mud scraper is divided the top that is arranged on guiding device.
The beneficial effects of the utility model are: this kind carbon source enriching apparatus and enriching method form the water inlet layer of certain upflow velocity by guiding device, and at the water inlet layer activated sludge layer that formation suspends, realize the carbon source enrichment by this activated sludge layer, dynamic activity can select mud layer to solve the technical problem of selectivity and carbon source enrichment precipitation.Play a key effect for initial stage one effect nitrification and denitrification.In this carbon source enriching apparatus, the carbon source concentration in the described reaction mud layer can reach 3 ~ 6 times of carbon source concentration in the guiding device water inlet, total TOC concentration water inlet for 50-100mg/l reaction mud layer in always TOC concentration can be increased to 150-600mg/l; Thereby also be conducive to reduce energy consumption.Because without additional carbon, so also reduce mud is measured vital role.In addition, the activated sludge layer of the suspension of whole layer has improved the efficient of carbon source enrichment and the efficient that sewage water denitrification is processed.
In addition, this carbon source enriching apparatus can be realized saving resource and the energy by the settling tank transformation of existing sewage work.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further:
Fig. 1 is the structural representation of the embodiment of carbon source enriching apparatus in the utility model;
Among the figure: 1 inlet channel, 2 water conservancy diversion straight tubes, 3 first deflection cone cylinders, 4 second deflection cone cylinders, 5 water conservancy diversion reflection parts, 6 mud scrapers, 7 center driving main shafts, 9 effluent weirs, 10 water outlets, 11 reaction mud layers, 12 pond bodies, 13 water-ins, 14 guiding devices.
Embodiment
Low-carbon (LC) sewage disposal carbon source enriching apparatus shown in Figure 1 comprises pond body 12 and is arranged on water-in 13, the water outlet 10 on pond body 12 tops, is arranged on the mud discharging mouth of pond body 12 bottoms; With the described water outlet 10 corresponding effluent weirs 9 that in pond body 12, are provided with.
These guiding device 14 inside arrange three sections diversion cavity, and three sections coaxial along the vertical direction successively orders of diversion cavity are tightly connected, and three sections diversion cavity edge directions from top to bottom are designated as respectively the first diversion cavity, the second diversion cavity, the 3rd diversion cavity.
The first diversion cavity is the inner chamber of water conservancy diversion straight tube 2, and this first diversion cavity is the right cylindrical chamber.
The second diversion cavity is conical cavity, is the inner chamber of the first deflection cone cylinder 3.This second diversion cavity and top end diameter are less than the bottom diameter; Its top end diameter equals the diameter of the first diversion cavity.
The 3rd diversion cavity is conical cavity also, is the inner chamber of the second deflection cone cylinder 4.The 3rd diversion cavity top end diameter is greater than the bottom diameter, and its top end diameter equals the bottom diameter of the second diversion cavity.
The feed-water end of guiding device 14 is arranged on described the first diversion cavity, namely is arranged on the water conservancy diversion straight tube 2.
In this carbon source enriching apparatus, the corresponding mud scraper 6 that is provided with described water outlet of described pond body 12 inner bottom parts.The center driving main shaft 7 of described mud scraper 6 passes the center of described guiding device 14, namely passes the first diversion cavity, the second diversion cavity, the 3rd diversion cavity.The motor section of mud scraper 6 is divided the top that is arranged on guiding device.
By above-mentioned carbon source enriching apparatus, the low-carbon (LC) sewage disposal carbon source enriching method of realization may further comprise the steps:
A), in pond body 12, be provided with the biological activity mud of denitrification bacterial classification;
B), the waste water of low carbon source concentration enters the guiding device 14 that is arranged in the body of pond, after guiding device 14 changes fluidised forms, flowed out by the water side of guiding device 14, through the reflective water flow of water conservancy diversion reflection part 5 upwards; The reflective operation face of water conservancy diversion reflection part 5 is that the summit is at upper cone surface;
C), by the biological activity mud in the current drive pond body 12 that reflects upwards upwards, and gradually, the throw out that formation one deck suspends in the pond is designated as and reacts mud layer 11; Described reaction mud layer 11 is pounced on the throw out of following the STOCKS law of building bridge and forming for net.The sludge age of this reaction mud layer 11 is 30 ~ 50.
The thickness of the reaction mud layer 11 that preferably, forms in the step c) is 2 ~ 3 meters.The flow-shape that the makes progress realization adjustment that the thickness of this reaction mud layer can form by changing guiding device is to adapt to different process requirements.
D), the described reaction mud layer 11 that forms in to step c) through water conservancy diversion reflection part reflection current upwards plays the support effect, and form collision with described reaction mud layer 11, under pedesis, carbon source is held back by described reaction mud layer 11, make described reaction mud layer 11 internal carbon source concentration be higher than influent concentration, realize the carbon source enrichment, the denitrification bacterial classification carries out denitrification denitrogenation in described reaction mud layer 11 interior high speed breedings.
In this carbon source enriching method, preferably, described guiding device inside arranges three sections diversion cavity, and three sections coaxial along the vertical direction successively orders of diversion cavity are tightly connected, and three sections diversion cavity edge directions from top to bottom are designated as respectively the first diversion cavity, the second diversion cavity, the 3rd diversion cavity; The feed-water end of guiding device is arranged on described the first diversion cavity;
The first diversion cavity is that the inner chamber of water conservancy diversion straight tube 2 is the right cylindrical chamber; The flow velocity of water is the 0.5-1.2 mm/second in described the first diversion cavity;
The second diversion cavity is the i.e. inner chamber of the first deflection cone cylinder 3 of conical cavity, and top end diameter is less than the bottom diameter; Its top end diameter equals the diameter of the first diversion cavity; The second diversion cavity with the flow velocity 0.5-1.2 mm/second speed change of water to the 0.3-0.5 mm/second;
The 3rd diversion cavity is the inner chamber of the second deflection cone cylinder 4 for conical cavity also, and top end diameter is greater than the bottom diameter, and its top end diameter equals the bottom diameter of the second diversion cavity;
The upflow velocity 0.05-0.1 mm/second that water forms to the described water conservancy diversion reflection part 5 through described the 3rd diversion cavity bottom.
Under the above-mentioned fluidised form condition, the reaction mud layer 11 that formation that can be more satisfactory suspends.
Preferred, the upflow velocity that water forms to the described water conservancy diversion reflection part 5 through described the 3rd diversion cavity bottom is even constant speed.
Claims (3)
1. low-carbon (LC) sewage disposal carbon source enriching apparatus comprises that Chi Tiji is arranged on the water-in on body top, pond, water outlet, is arranged on the mud discharging mouth of body bottom, pond; Correspondingly with described water outlet in the body of pond, be provided with effluent weir; It is characterized in that: the middle part is provided with the guiding device of tubular in the body of described pond, and this guiding device top arranges feed-water end, and this feed-water end is communicated with the water-in of Chi Tishang by inlet channel; The bottom of guiding device is made as downward opening water side, one fixing water conservancy diversion reflection part is set under this water side, the end face of described water conservancy diversion reflection part is water conservancy diversion reflective operation face, this water conservancy diversion reflective operation face is summit cone surface up, this cone surface and the coaxial setting of described guiding device, the diameter of cone surface bottom is greater than the diameter of guiding device water side.
2. low-carbon (LC) sewage disposal carbon source enriching apparatus according to claim 1, it is characterized in that: described guiding device inside arranges three sections diversion cavity, three sections coaxial along the vertical direction successively orders of diversion cavity are tightly connected, and three sections diversion cavity edge directions from top to bottom are designated as respectively the first diversion cavity, the second diversion cavity, the 3rd diversion cavity;
The first diversion cavity is the right cylindrical chamber;
The second diversion cavity is conical cavity, and top end diameter is less than the bottom diameter; Its top end diameter equals the diameter of the first diversion cavity;
The 3rd diversion cavity also is conical cavity, and top end diameter is greater than the bottom diameter, and its top end diameter equals the bottom diameter of the second diversion cavity;
The feed-water end of guiding device is arranged on described the first diversion cavity.
3. low-carbon (LC) sewage disposal carbon source enriching apparatus according to claim 2, it is characterized in that: the corresponding mud scraper that is provided with described water outlet of described pond body inner bottom part, the center driving main shaft of described mud scraper passes the center of described guiding device, and the motor section of mud scraper is divided the top that is arranged on guiding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220389879 CN202717632U (en) | 2012-08-08 | 2012-08-08 | Carbon source enrichment device for low-carbon sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220389879 CN202717632U (en) | 2012-08-08 | 2012-08-08 | Carbon source enrichment device for low-carbon sewage treatment |
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| Publication Number | Publication Date |
|---|---|
| CN202717632U true CN202717632U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220389879 Withdrawn - After Issue CN202717632U (en) | 2012-08-08 | 2012-08-08 | Carbon source enrichment device for low-carbon sewage treatment |
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| CN (1) | CN202717632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757126A (en) * | 2012-08-08 | 2012-10-31 | 山东省肿瘤防治研究院 | Carbon source enrichment device and enrichment method for low carbon sewage treatment |
-
2012
- 2012-08-08 CN CN 201220389879 patent/CN202717632U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757126A (en) * | 2012-08-08 | 2012-10-31 | 山东省肿瘤防治研究院 | Carbon source enrichment device and enrichment method for low carbon sewage treatment |
| CN102757126B (en) * | 2012-08-08 | 2013-08-07 | 山东省肿瘤防治研究院 | Carbon source enrichment device and enrichment method for low carbon sewage treatment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20130807 |
|
| RGAV | Abandon patent right to avoid regrant |