CN101239259B - Sludge return sedimentation pool improved from pipe chute sedimentation pool and improving method thereby - Google Patents
Sludge return sedimentation pool improved from pipe chute sedimentation pool and improving method thereby Download PDFInfo
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- CN101239259B CN101239259B CN2008100346818A CN200810034681A CN101239259B CN 101239259 B CN101239259 B CN 101239259B CN 2008100346818 A CN2008100346818 A CN 2008100346818A CN 200810034681 A CN200810034681 A CN 200810034681A CN 101239259 B CN101239259 B CN 101239259B
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Abstract
The present invention provides a return sludge settler changed by an inclined tube settler, characterized in that the upper reation region is set with a mixing region and a promoting flocculation zone, a blender is set in the mixing region, a promoting mixer and an attachable stainless steel cylinder are set in the promoting flocculation zone, a baffle system is set between a filtering zone and a inclined tube water outlet, a mud zone sets a plug concentrating mud scraper, the mud pipe is connected with a mud runback to water inlet, the mud runback is set with a mud reflux pump, the mud runback is connected with exterior, and a medical feeding point is set in the water inlet and the main settler. The advantages of the invention is that giving full play impact to index such as biological degradation organic matter, nitrogen and phosphorus etc nu changing traditional inclined tube settler, enhancing coagulation efficiency by high effect mixing and mud return, thus the effluent effect is improved, and the solid ratio of the drainable sludge is enhanced, meeting the direct dehydration condition.
Description
Technical field:
The present invention relates to the municipal works field, specifically a kind of sludge return sedimentation pool and remodeling method thereof that is transformed into by tube settler.
Background technology:
At present, traditional tank types such as the conventional treatment of waterworks, Sewage Plant processing and the more employing horizontal sedimentation tank of extraordinary water treatment, accelerator, tube settler.Wherein tube settler is because floor space is little, and water outlet efficient is higher, uses more extensive; But scrape reasons such as mud and flocculating effect because of machinery, disposal ability is limited, and it is bigger to make effluent quality totally improve difficulty; How under the condition of existing pond type, through enhanced flocculation with improve method such as spoil disposal condition, give full play to the mixed flocculation precipitation; And combine means such as various medicaments and aeration to bring into play the biodegradation aspect as far as possible, also need further to optimize.
Summary of the invention:
An object of the present invention is to provide a kind of sludge return sedimentation pool that is transformed into by tube settler, it can improve the water outlet effect thereby reach through the transformation to traditional tube settler.
To achieve these goals, technical scheme of the present invention is: a kind of sludge return sedimentation pool that is transformed into by tube settler comprises main tank body; Main tank body is provided with water inlet pipe and outlet pipe, and main tank body is made up of top reaction zone, transition region, inclined tube exhalant region and sludge discharging area, and sludge discharging area is communicated with discharge pipeline; It is characterized in that the top reaction zone is provided with the mixed zone and promotes flocculation zone, be provided with mixing and blending machine in the mixed zone, promote and be provided with lifting mixer and attached stainless steel cylinder in the flocculation zone; Add baffle system between filtering area and the inclined tube exhalant region; Sludge discharging area is established the pulling flow type concentrated mud scraper, and the external mud return line of discharge pipeline is to water inlet pipe, and this mud return line is provided with sludge reflux pump; This mud return line also is in communication with the outside, and in water inlet pipe and main tank body, all establishes medicament and add a little.This medicament adds point and comprises that the preparatory ozone that is located at water inlet pipe adds a little, and potassium permanganate adds a little and the coagulant dosage point; Establish active carbon in the main tank body Promotion From Within flocculation zone and add a little, diatomite adds a little, mixes in the stirring area and mud return line is established PAM and added a little.Mix stirring area and establish aerating pipelines with promoting in the flocculation zone.
Another object of the present invention is to provide a kind of remodeling method by tube settler transformation sludge return sedimentation pool, it can improve the water outlet effect thereby reach through the transformation to traditional tube settler.
To achieve these goals, technical scheme of the present invention is: a kind of remodeling method by tube settler transformation sludge return sedimentation pool, and this tube settler comprises main tank body; Main tank body is provided with water inlet pipe and outlet pipe; Main tank body is made up of top reaction zone, transition region, inclined tube exhalant region and sludge discharging area, establishes reaction facilities such as grid and partition wall in the reaction zone, and the inclined tube exhalant region is established plastics inclined tube and stainless steel water outlet rectangular channel; Sludge discharging area is provided with mud-removing bucket; Mud-removing bucket is communicated with discharge pipeline, and discharge pipeline links to each other with the top reaction zone, and outlet pipe links to each other with stainless steel water outlet rectangular channel; It is characterized in that this remodeling method may further comprise the steps: A, the grid in the reaction zone of top and part partition wall are removed, and with the mud-removing bucket leveling of sludge discharging area; B, reaction zone is provided with the mixed zone and promotes flocculation zone on top, is provided with mixing and blending machine in the mixed zone, promotes to be provided with in the flocculation zone to promote mixer and attached stainless steel cylinder; Add baffle system between filtering area and the inclined tube exhalant region; Sludge discharging area is established the pulling flow type concentrated mud scraper, and the external mud return line of discharge pipeline is connected to water inlet pipe, and this mud return line is established sludge reflux pump, and this mud return line also is in communication with the outside; C, in water inlet pipe and main tank body, establish medicament respectively and add a little.This medicament adds point and comprises that the preparatory ozone that is located at water inlet pipe adds a little, and potassium permanganate adds a little and the coagulant dosage point, establishes active carbon in the main tank body Promotion From Within flocculation zone to add a little, and diatomite adds a little, mixes the interior mud return line that reaches of stirring area and establishes PAM and add a little.This remodeling method also is included in to mix stirring area and promote in the flocculation zone establishes aerating pipelines.
The present invention makes full use of existing tube settler pond body; Plant equipment and multiple spot medicament through auxiliary add; Realize the efficient function of handling of each; The high-speed mixing mixer guarantees that oxidant, coagulant and returned sludge fully mix with former water, is located at the lifting mixer that promotes the flocculation zone center and attached cylindrical shell and has realized fully mixing of Yuan Shui and pond body interior active mud together, can be according to the variation flexible of flow of inlet water in practical operation; The sludge reflux pump of pond external can be back to the mixed zone, top with the thickened sludge of body bottom, pond mud enrichment region, realizes the muddy water circulation; The aerating pipelines of arranging in the body of pond provides the sufficient dissolved oxygen of sludge microbe in the body of pond, enhanced biological effect.Pond body Internal baffle system makes pond body each several part water distribution more even, is easier to alumen ustum and forms.The various medicaments multi-point adding is realized in the inside and outside, pond, further the strengthening physical flocculation.The pulling flow type concentrated mud scraper of being located at body bottom, pond makes mud focus on backflow of baffle plate bottom or discharging.The invention has the advantages that through the transformation of traditional tube settler being given full play to index effects such as biodegradation organic matter, nitrogen and phosphorus; Reflux through high efficient mixed and mud, improve coagulation efficiency, thereby improve the water outlet effect; And improve the solid content of discharging mud, satisfy direct dehydration conditions.
Description of drawings:
Fig. 1 is the traditional tank type floor map of one embodiment of the invention
Fig. 2 is the A-A profile of Fig. 1
Fig. 3 is the transformation frontal plane sketch map of this embodiment
Fig. 4 is the B-B profile of Fig. 3
Fig. 5 is the transformation back plane sketch map of this embodiment
Fig. 6 is the C-C profile of Fig. 5
The specific embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
The present invention is a kind of sludge return sedimentation pool, and it obtains traditional tube settler transformation.As depicted in figs. 1 and 2; The tradition tube settler comprises main tank body 1, and main tank body is provided with water inlet pipe 2 and outlet pipe 3, and main tank body 1 is made up of top reaction zone 4, transition region 5, inclined tube exhalant region 6 and sludge discharging area 7; Establish grid 8 and facility such as reaction such as partition wall 13 grades in the reaction zone 4; Inclined tube exhalant region 6 is established plastics inclined tube 9 and stainless steel water outlet rectangular channel 10, and sludge discharging area 7 is provided with mud-removing bucket 11, and mud-removing bucket 11 is communicated with discharge pipeline 12; Discharge pipeline 12 links to each other with top reaction zone 4, and outlet pipe 3 links to each other with stainless steel water outlet rectangular channel 10.
Like Fig. 3 and shown in Figure 4, grids in the top reaction zone 48 and partition walls 13 are removed before transforming, and the mud-removing bucket 11 of sludge discharging area 7 put in order flush to the bottom.
Improved sludge return sedimentation pool such as Fig. 5 and shown in Figure 6, reaction zone 4 is provided with mixed zone 14 and promotes flocculation zone 15 on top, is provided with mixing and blending machine 21 in the mixed zone 14; Promote to be provided with in the flocculation zone 15 and promote mixer 16 and attached stainless steel cylinder 17; Add baffle system 18 between filtering area 5 and the inclined tube exhalant region 6, sludge discharging area 7 is established pulling flow type concentrated mud scraper 19, and discharge pipeline 12 external mud return lines 22 are connected to water inlet pipe 2; This mud return line 22 is established sludge reflux pump 20; This mud return line 22 also is in communication with the outside, thereby sludge discharging area 7 bottom mud are back to water inlet pipe 2 or efflux, and in water inlet pipe 2 and main tank body 1, all establishes medicament and add a little.This medicament adds point and comprises that the preparatory ozone that is located at water inlet pipe 2 adds a little 23; Potassium permanganate add a little 24 with coagulant dosage point 25; Establish active carbon in the main tank body 1 Promotion From Within flocculation zone 15 and add a little 27, diatomite adds a little 28, mixes in the stirring area 14 and mud return line 22 is established PAM and added a little 26.Mix stirring area 14 and establish aerating pipelines 19 with promoting in the flocculation zone 15.Should be noted that preparatory ozone add a little 23 and potassium permanganate add a little 24 and coagulant dosage point 25 between certain distance need be arranged.
Its difference with the prior art is: the capital equipment mixing and blending machine 21 that flocculation reaction deposition and mud concentrate, lifting mixer 16 and attached stainless steel cylinder 17, mud scraper 19, plastics inclined tube district 9 and stainless steel water outlet rectangular channel 10 and aerating pipelines 19 all are located in the main tank body 1; Than other sedimentation basin commonly used and depositing reservoir more compact structure; Water distribution is more even, and biological agent is stronger.Promote mixer 16 and control by variable-frequency motor, can more can guarantee effluent quality than other sedimentation basin commonly used and depositing reservoir according to the practical situation flexible of reality with sludge reflux pump 20.
During use; Before the main tank body 1 outer former water that adds preparatory ozone, potassium permanganate and coagulant gets into main tank body 1 by water inlet pipe 2, converge the back with the returned sludge of mud return line 22 and in mixing stirring area 4, fully mix through mixing and blending machine 21, and through after aerating pipelines 29 oxygenations; Add Powdered Activated Carbon, diatomite and PAM again; Through promote mixer 16 and attached stainless steel cylinder 17 thereof promote with the pond in activated sludge fully mix, after water distribution and baffle system 18 cloth water distributions, through water outlets behind inclined tube district 9 and the water outlet rectangular channel 10; Body bottom, pond mud amasss in the concentrated soil discharging area 7 of main tank body 1 bottom after mud scraper 19 promotes and concentrates; Discharged outside the main tank body 1 by discharge pipeline 12, be back to water inlet pipe 2 through the mud return line 22 that is provided with spoil disposal reflux pump 20, unnecessary mud regularly discharges.Wherein the control of mixing and blending machine 21, variable-frequency motor promotes the spoil disposal reflux pump 20 of mixer 16 and attached stainless steel cylinder 17 thereof, variable-frequency motor control, ozone adds a little 23 in advance, potassium permanganate adds a little 24, coagulant dosage point 25, PAM add a little 26, active carbon adds a little 27, diatomite adds a little 28, aerating pipelines system 29, mud scraper 19, plastics inclined tube district 9, stainless steel water outlet rectangular channel 10 and baffle system 18 all belong to prior art; Repeat no more at this; The source of the gas of aerating pipelines 29 is then built jointly with filter back washing system or other aeration air supply system; To save the area; Aerating pipelines 29 structures own are connected with pipeline and also belong to prior art, repeat no more at this.
Also can be provided with sludge concentration meter and supplementary observation facility in main tank body 1 inside, jointly control, realize that mud refluxes and discharging with the spoil disposal reflux pump.
Should note protecting existing pond phosphor bodies structure in the transformation process, carry out with acceptance specification in strict accordance with the existing shape construction of country.
Claims (5)
1. a sludge return sedimentation pool that is transformed into by tube settler comprises main tank body, and main tank body is provided with water inlet pipe and outlet pipe; Main tank body is made up of top reaction zone, transition region, inclined tube exhalant region and sludge discharging area, and sludge discharging area is communicated with discharge pipeline, it is characterized in that the top reaction zone is provided with the mixed zone and promotes flocculation zone; Be provided with mixing and blending machine in the mixed zone, promote and be provided with lifting mixer and attached stainless steel cylinder in the flocculation zone, add baffle system between filtering area and the inclined tube exhalant region; Sludge discharging area is established the pulling flow type concentrated mud scraper, and the external mud return line of discharge pipeline is to water inlet pipe, and this mud return line is provided with sludge reflux pump; This mud return line also is in communication with the outside; And in water inlet pipe and main tank body, all establish medicament and add a little, this medicament adds point and comprises that establishing active carbon in the main tank body Promotion From Within flocculation zone adds a little, and diatomite adds a little; Mix in the stirring area and mud return line is established PAM and added a little, promote mixer and all be connected with variable-frequency motor with sludge reflux pump.
2. sludge return sedimentation pool as claimed in claim 1 is characterized in that: mix stirring area and establish aerating pipelines with promoting in the flocculation zone.
3. transform the remodeling method of sludge return sedimentation pool by tube settler for one kind, this tube settler comprises main tank body, and main tank body is provided with water inlet pipe and outlet pipe; Main tank body is made up of top reaction zone, transition region, inclined tube exhalant region and sludge discharging area, establishes grid and partition wall in the reaction zone, and the inclined tube exhalant region is established plastics inclined tube and stainless steel water outlet rectangular channel; Sludge discharging area is provided with mud-removing bucket; Mud-removing bucket is communicated with discharge pipeline, and discharge pipeline links to each other with the top reaction zone, and outlet pipe links to each other with stainless steel water outlet rectangular channel; It is characterized in that this remodeling method may further comprise the steps: A, the grid in the reaction zone of top and partition wall are removed, and flushed to the bottom the mud-removing bucket of sludge discharging area is whole; B, reaction zone is provided with the mixed zone and promotes flocculation zone on top, is provided with mixing and blending machine in the mixed zone, promotes to be provided with in the flocculation zone to promote mixer and attached stainless steel cylinder; Add baffle system between filtering area and the inclined tube exhalant region; Sludge discharging area is established the pulling flow type concentrated mud scraper, and the external mud return line of discharge pipeline is connected to water inlet pipe, and this mud return line is established sludge reflux pump, and this mud return line also is in communication with the outside; C, in water inlet pipe and main tank body, establish medicament respectively and add a little.
4. remodeling method as claimed in claim 3; It is characterized in that this medicament adds point and comprises that the preparatory ozone that is located at water inlet pipe adds a little; Potassium permanganate adds a little and the coagulant dosage point; Establish active carbon in the main tank body Promotion From Within flocculation zone and add a little, diatomite adds a little, mixes in the stirring area and mud return line is established PAM and added a little.
5. remodeling method as claimed in claim 3 is characterized in that this remodeling method also is included in the mixing stirring area and establishes aerating pipelines with promoting in the flocculation zone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100346818A CN101239259B (en) | 2008-03-14 | 2008-03-14 | Sludge return sedimentation pool improved from pipe chute sedimentation pool and improving method thereby |
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| CN2008100346818A CN101239259B (en) | 2008-03-14 | 2008-03-14 | Sludge return sedimentation pool improved from pipe chute sedimentation pool and improving method thereby |
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| CN101239259A CN101239259A (en) | 2008-08-13 |
| CN101239259B true CN101239259B (en) | 2012-08-22 |
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| CN101830585A (en) * | 2010-05-21 | 2010-09-15 | 中国矿业大学(北京) | Acid mine water treatment system |
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| CN103102041B (en) * | 2011-11-11 | 2016-05-25 | 上海市政工程设计研究总院（集团）有限公司 | A kind of supernatant superimposed bio-contact oxidation combination pond and treatment process thereof |
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| CN106310729B (en) * | 2015-06-15 | 2018-08-10 | 江苏沃尔特环保有限公司 | In set the inclined plate of hexagon reactive tank（Pipe）Sedimentation basin |
| CN105060440B (en) * | 2015-09-10 | 2017-10-27 | 北京博汇特环保科技有限公司 | A kind of depositing reservoir |
| CN105236694B (en) * | 2015-11-16 | 2018-03-27 | 南京大学盐城环保技术与工程研究院 | A kind of system and method for chemical wastewater biochemical tailrace advanced processing |
| CN105461040B (en) * | 2016-01-04 | 2018-08-28 | 上海市政工程设计研究总院（集团）有限公司 | A kind of solid-liquid medium separating treatment pond |
| CN105502744B (en) * | 2016-01-04 | 2019-07-05 | 上海市政工程设计研究总院（集团）有限公司 | A kind of separation of solid and liquid enrichment facility and its method |
| CN111072184A (en) * | 2020-01-09 | 2020-04-28 | 江苏环球环境工程集团有限公司 | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry |
| CN113683271A (en) * | 2021-09-30 | 2021-11-23 | 北京首创生态环保集团股份有限公司 | Efficient sedimentation tank and method modified by suspended filler biological tank |
| CN114180696B (en) * | 2021-12-28 | 2023-11-24 | 张家港市清源水处理有限公司 | Sediment sludge discharge method of triple sedimentation tank |
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| CN1683049A (en) * | 2005-03-03 | 2005-10-19 | 上海市政工程设计研究院 | Full Chinese type settling pond |
| CN201182924Y (en) * | 2008-03-14 | 2009-01-21 | 上海市政工程设计研究总院 | Return sludge flow clarifying basin |
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2008
- 2008-03-14 CN CN2008100346818A patent/CN101239259B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1683049A (en) * | 2005-03-03 | 2005-10-19 | 上海市政工程设计研究院 | Full Chinese type settling pond |
| CN201182924Y (en) * | 2008-03-14 | 2009-01-21 | 上海市政工程设计研究总院 | Return sludge flow clarifying basin |
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