CN109019793A - A kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank - Google Patents

A kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank Download PDF

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Publication number
CN109019793A
CN109019793A CN201810834045.7A CN201810834045A CN109019793A CN 109019793 A CN109019793 A CN 109019793A CN 201810834045 A CN201810834045 A CN 201810834045A CN 109019793 A CN109019793 A CN 109019793A
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CN
China
Prior art keywords
refuse
sludge
pipe
mud
clarification tank
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Pending
Application number
CN201810834045.7A
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Chinese (zh)
Inventor
陈燕波
万年红
周兵
刘金利
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Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
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Central and Southern China Municipal Engineering Design and Research Institute 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.)
Filing date
Publication date
Application filed by Central and Southern China Municipal Engineering Design and Research Institute Co Ltd filed Critical Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Priority to CN201810834045.7A priority Critical patent/CN109019793A/en
Publication of CN109019793A publication Critical patent/CN109019793A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents

Abstract

The present invention proposes that a kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank, including sequentially connected raw water water inlet pipe, mixed zone, flocculation reaction area, plug-flow transition region, settling section, exhalant region and outlet pipe, outer plus body refuse system is set on the basis of its main technical schemes is the return-flow system in existing high efficiency clarification tank body refuse, and the top in flocculation reaction area is arranged in the additional body refuse system, the mud inlet of the additional body refuse system is connected with the secondary settling tank sludge pump house of sewage treatment plant, using resulting subtle sand after the progress silt particle separation of sewage treatment plant excess sludge, it gathers materials on the spot, to realize the purpose of system quick start, and floc density is high, it is efficient with treatment effect, stable advantage, reduce the dosage of PAM again simultaneously, so that operating cost is reduced.

Description

A kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank
Technical field
The present invention relates to technical field of sewage, in particular to a kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank.
Background technique
In recent years, efficient flocculating-clarification (precipitating) pond based on sludge backflow has obtained extensively in advanced treatment of wastewater Using form includes common high efficiency clarification tank plus sand high efficiency clarification tank and magnetic-coagulation high efficiency clarification tank etc..Wherein plus sand is efficient Clarifying basin and magnetic-coagulation high efficiency clarification tank need to add fine sand and magnetic powder, and are separated concentration body refuse in order to fine sand and magnetic Powder recycles, though mud-water separation effect can be improved in both high efficiency clarification tanks, operating cost is higher, and maintenance management is more multiple It is miscellaneous;And common high efficiency clarification tank system is relatively simpler, operating cost is lower, thus application is more.But it is answered in Practical Project With middle discovery, there is also some shortcomings for common high efficiency clarification tank, are in particular in the following aspects:
1, existing common high efficiency clarification tank system starting is slow;
2, enrichment region body refuse amount is few frequent occurrence, shows without what body refuse or body refuse were surprisingly lost for existing common high efficiency clarification tank As, cause reflux without mud, thus causes that flocculation zone sludge concentration is low, and no alumen ustum or alumen ustum are small, hardly possible precipitating, inclined tube top product Mud is serious, and treatment effeciency is not high, and effect is unstable;
3, existing common high efficiency clarification tank must add larger amount of PAM (high polymer coagulant), so that operating cost Increase, and add PAM amount it is slightly larger when the mechanical filters such as subsequent rotary disc filter, accurate filter equipment also will cause it is stifled Plug causes its recoil to be frequently even unable to operate normally.
Summary of the invention
The object of the invention is to propose a kind of advanced treatment of wastewater to solve above-mentioned technical problem and add chamotte mould efficiently clear Clear pond, the clarifying basin increase outer plus body refuse system on the basis of being the circulation inside common high efficiency clarification tank concentration body refuse, and And additional body refuse system is that the separating obtained subtle sand of silt particle is carried out using sewage treatment plant excess sludge, gathers materials on the spot, has System starting is fast, floc density is high, and treatment effect is efficient, stablizes, and reduces PAM dosage, the low advantage of operating cost.
For this purpose, the specific technical solution that the present invention uses is:
A kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank, including sequentially connected raw water water inlet pipe, mixed zone, flocculation Reaction zone, plug-flow transition region, settling section, exhalant region and outlet pipe further include return-flow system and additional body refuse system, institute in body refuse The bottom that settling section is arranged in return-flow system in body refuse is stated, the mud inlet of return-flow system and settling section bottom phase in the body refuse Even, the mud mouth of return-flow system is connected with flocculation reaction area in the body refuse, and the additional body refuse system is arranged in flocculation reaction The top in area, the mud inlet of the additional body refuse system is connected with the secondary settling tank sludge pump house of sewage treatment plant, described additional The mud mouth of body refuse system is connected with flocculation reaction area.
Further, the additional body refuse system includes enters mud pipe, efficient silt particle cyclone separator, organic sludge overflow pipe With inorganic sludge discharge pipe, the mud inlet of the enters mud pipe is connected with the secondary settling tank sludge pump house of sewage treatment plant, it is described into The mud mouth of mud pipe is connected with the mud inlet of efficient silt particle cyclone separator, the efficient silt particle cyclone separator mud mouth point It is not connected with organic sludge overflow pipe and inorganic sludge discharge pipe, the mud mouth of the organic sludge overflow pipe and sewage treatment The biochemical system or sludge treating system of factory are connected, and the mud mouth of the inorganic sludge discharge pipe is connected with flocculation reaction area It connects.
Further, the first frequency conversion speed regulating vertical blender is set in the mixed zone, in first frequency control Coagulant dosage pipe is arranged in the side of vertical stirrer, is arranged in the bottom of the mixed zone sewage leading to flocculation reaction area Communicating pipe.
Further, guide shell is set in the flocculation reaction area, the second frequency control is set in the guide shell Vertical stirrer and flocculant concentration pipe.
Further, described to clarify the sludge condensation area for dividing into the clarification and effluent area and lower part on top, in the clear of top Pool arrangement inclined tube and effluent trough are cleared out, sludge hopper and mud scraper is arranged in the sludge condensation area in lower part.
Further, the bottom of the sludge hopper is provided with body refuse discharge tube, also sets on the body refuse discharge tube There is body refuse emptying pump.
Further, return-flow system includes that sludge backflow pipe and the body refuse being arranged on sludge backflow pipe return in the body refuse Stream pump, one end of the sludge backflow pipe are connected in settling section, and the other end of the sludge backflow pipe is connected to flocculation reaction Area intake on communicating pipe.
A kind of advanced treatment of wastewater that above-mentioned technical proposal is related to adds chamotte mould high efficiency clarification tank, in short includes mixing Area, flocculation reaction area, plug-flow transition region and settling section, mixed zone use mechanical stirring hybrid mode, and flocculation reaction area uses and leads Efficient silt particle cyclonic separation needed for additional body refuse system is arranged in flow cartridge formula mechanic whirl-nett reaction mode, flocculation reaction area top Device, for carrying out the separating treatment of organic body refuse and inorganic body refuse (based on subtle sand) to sewage treatment plant excess sludge, and Inorganic body refuse is added into guide shell bottom inlet pipe;Plug-flow transition region uses waterpower plug-flow mode;Settling section includes on pond The sludge condensation area of the inclined tube (or inclined plate) and effluent trough in clarification and effluent area of portion, pond lower part is equipped with sludge hopper and mud scraper.
The beneficial effects of the present invention are:
A kind of advanced treatment of wastewater provided by the invention adds chamotte mould high efficiency clarification tank, is that mud is concentrated in common high efficiency clarification tank Increase additional body refuse system inside slag on the basis of circulation, and increased additional body refuse system is using the surplus of sewage treatment plant Remaining sludge carries out the separating obtained subtle sand of silt particle, gathers materials on the spot, and system starting is fast, and floc density is high, treatment effect efficiently, Stablize, reduce PAM dosage, operating cost is low, and its advantages are in particular in:
1, what high efficiency clarification tank of the invention added is that sewage treatment plant excess sludge is separating obtained with subtle through silt particle Inorganic body refuse based on sand can quickly improve flocculation zone sludge concentration, play facilitation to the formation of floccule body nucleus, increase wadding Solidifying volume density improves mud-water separation effect, and system starting is fast, and treatment effect is efficient, stablizes.Additional body refuse system can be transported continuously Row, can also intermittent duty, the method for operation is flexible;
2, the additional body refuse system of high efficiency clarification tank of the invention is to carry out silt particle point using sewage treatment plant excess sludge It from gained, gathers materials on the spot, is not necessarily to other additional substances, is not required to additionally put into, PAM dosage can be reduced, reduce operating cost, and And the normal operation for the mechanical filters equipment such as be conducive to subsequent rotary disc filter, accurate filter;
3, the inorganic silt particle that the additional body refuse system of high efficiency clarification tank of the invention is isolated enters flocculation reaction area, will be rich The biochemical system of overflow sludge access sewage treatment plant containing organic matter, the organic matter that primaryization system activity sludge can be improved contain Amount, improve its activity, make full use of carbon source, and the sediment deposition of biochemical system can be reduced, be particularly suitable for south China it is low into The sewage treatment plant of water concentration;
4, the organic matter overflow sludge that is rich in of the additional body refuse system discharge of high efficiency clarification tank of the invention such as accesses sewage Organic matter accounting in sludge can be improved in treatment plant's sludge treating system, realizes sludge dual treatment, convenient for recycling sludge benefit With.
Detailed description of the invention
Fig. 1 is the overall structure diagram that a kind of advanced treatment of wastewater of the present invention adds chamotte mould high efficiency clarification tank.
It is as shown in the figure: 1- raw water water inlet pipe, the mixed zone 2-, 2.1- the first frequency conversion speed regulating vertical blender, 2.2- coagulant Add pipe, 2.3- communicating pipe, 2.4- fills base slope, 3- flocculation reaction area, 3.1- guide shell, and the second frequency conversion speed regulating vertical of 3.2- stirs Mix device, 3.3- flocculant concentration pipe, 4- plug-flow transition region, 5- settling section, 5.1- inclined tube, 5.2- effluent trough, 5.3- sludge hopper, 5.4- mud scraper, 5.5- body refuse discharge tube, 5.6- body refuse emptying pump, 6- exhalant region, 7- outlet pipe, the interior reflux system of 8- body refuse System, 8.1- sludge backflow pipe, 8.2- sludge backflow pump, the additional body refuse system of 9-, 9.1- enters mud pipe, the efficient silt particle eddy flow of 9.2- point From device, 9.3- organic sludge overflow pipe, the inorganic sludge discharge pipe of 9.4-, 10- skimming system.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation The present invention is described in more detail for example.It is understood that described herein, specific examples are only used to explain the present invention, It is not intended to limit the present invention.
As shown in Figure 1, the present embodiment, which is related to a kind of advanced treatment of wastewater, adds chamotte mould high efficiency clarification tank, including sequentially connected Raw water water inlet pipe 1, mixed zone 2, flocculation reaction area 3, plug-flow transition region 4, settling section 5, exhalant region 6 and outlet pipe 7, it is basic herein On further include return-flow system 8 and additional body refuse system 9 in body refuse, the bottom of settling section 5 is arranged in return-flow system 8 in the body refuse Portion, the mud inlet of return-flow system 8 is connected with settling section 5 in the body refuse, the mud mouth of return-flow system 8 and flocculation in the body refuse Reaction zone 3 is connected, by the sludge reflux of settling section 5 into flocculation reaction area 3;The additional setting of body refuse system 9 is anti-in flocculation The top in area 3 is answered, the mud inlet of the additional body refuse system 9 is connected with secondary sedimentation tank of sewage treatment work sludge pump house, described outer The mud mouth of body refuse system 9 is added to be connected with flocculation reaction area 3.
Specifically, the additional body refuse system 9 includes enters mud pipe 9.1, efficient silt particle cyclone separator 9.2, organic sludge Overflow pipe 9.3 and inorganic sludge discharge pipe 9.4, the mud inlet of the enters mud pipe 9.1 and the secondary settling tank sludge pump of sewage treatment plant Room is connected, and the mud mouth of the enters mud pipe 9.1 is connected with the mud inlet of efficient silt particle cyclone separator 9.2, described efficient 9.2 mud mouth of silt particle cyclone separator is connected with organic sludge overflow pipe 9.3 and inorganic sludge discharge pipe 9.4 respectively, described The mud mouth of organic sludge overflow pipe 9.3 is connected with the biochemical system of sewage treatment plant or sludge treating system, described inorganic The mud mouth of sludge discharge pipe 9.4 is connected with the communicating pipe 2.3 of 3 bottom of flocculation reaction area.
Specifically, the mud inlet of the enters mud pipe 9.1 is connected with the secondary settling tank sludge pump house of sewage treatment plant, it is directly sharp It with the sludge of this sewage treatment plant, gathers materials on the spot, it is fast to realize system starting;It is not necessarily to other additional substances simultaneously, and can reduce PAM dosage achievees the purpose that reduce operating cost, and is conducive to the mechanical filters such as subsequent rotary disc filter, accurate filter The normal operation of equipment.
Specifically, the efficient silt particle cyclone separator 9.2 carries out sludge at the separation of organic principle and inorganic constituents Reason, the organic sludge separated are sent by organic sludge overflow pipe 9.3 to the biochemical system of this sewage treatment plant or sludge Reason system, inorganic sludge are then sent into flocculation reaction area 3 concentration for increasing sludge by inorganic sludge discharge pipe 9.4, increased Floc density.
Specifically, the first frequency conversion is arranged in the mixed zone 2 by the way of mechanical stirring mixing in the mixed zone 2 Vertical stirrer 2.1 is adjusted the speed, coagulant dosage pipe 2.2 is set in the side of the first frequency conversion speed regulating vertical blender 2.1, Sewage is led to the communicating pipe 2.3 in flocculation reaction area 3 by the bottom setting of the mixed zone 2, is arranged in the two sides of the bottom of mixed zone 2 Base slope 2.4, can contribute to by sewage well water conservancy diversion into communicating pipe 2.3.
Specifically, the flocculation reaction area 2 is in such a way that guide cylinder type slow mechanical is stirred to react, it is anti-in the flocculation It answers and guide shell 3.1 is set in area 3, the second frequency conversion speed regulating vertical blender 3.2 is set in the guide shell 3.1 and flocculant is thrown Add pipe 3.3.
Specifically, one end of the communicating pipe 2.3 is connected to the bottom of mixed zone 2, the other end of the communicating pipe 2.3 is set It sets in guide shell 3.1, the inorganic sludge discharge pipe 9.4 was connected on the communicating pipe 2.3.
Specifically, the settling section 5 divides for the clarification and effluent area on top and the sludge condensation area of lower part, the clarification on top Exhalant region arranges inclined tube 5.1 and effluent trough 5.2, and sludge hopper 5.3 and mud scraper 5.4 is arranged in the sludge condensation area in lower part, described Water in effluent trough 5.2 is flowed into exhalant region 6, is then flowed out from outlet pipe 7.
Specifically, the bottom of the sludge hopper 5.3 is provided with body refuse discharge tube 5.5, in the body refuse discharge tube 5.5 On be additionally provided with body refuse emptying pump 5.6, except remaining sludge discharge system.
Specifically, return-flow system 8 includes sludge backflow pipe 8.1 and is arranged on sludge backflow pipe 8.1 in the body refuse Sludge backflow pump 8.2, one end of the sludge backflow pipe 8.1 is connected in settling section 5, the sludge backflow pipe 8.1 it is another End was connected on communicating pipe 2.3, and the sludge in settling section 5 is back to again in flocculation reaction area 3 by sludge backflow pipe 8.1.
A kind of advanced treatment of wastewater provided in this embodiment adds chamotte mould high efficiency clarification tank, the course of work are as follows:
Raw water to be processed enters mixed zone 2 by raw water water inlet pipe 1, and mixed zone 2 is stirred mode using Quick mechanical, leads to It crosses the first frequency conversion speed regulating vertical blender 2.1 and coagulant dosage pipe 2.2 being arranged in pond and mixing processing is carried out to raw water, Sewage after treatment enters flocculation reaction area 3 by communicating pipe 2.3.
Flocculation reaction area 3 is stirred to react mode using guide cylinder type slow mechanical, and sewage enters water conservancy diversion by communicating pipe 2.3 In cylinder 3.1, by the second frequency conversion speed regulating vertical blender 3.2 inside guide shell 3.1 and flocculant concentration pipe 3.3 to sewage into Row flocculation reaction processing;Outer plus body refuse system 9 by the way that 3 top of flocculation reaction area is arranged in further increases for flocculation reaction area 3 Add inorganic sludge, additional body refuse is connected with secondary sedimentation tank of sewage treatment work sludge pump house by enters mud pipe 9.1, is revolved by efficient silt particle Stream separator 9.2 carries out the separating treatment of organic principle and inorganic constituents to excess sludge, and inorganic body refuse is passed through inorganic dirt Mud discharge pipe 9.4 is added into 3.1 bottom inlet pipe of guide shell, and organic body refuse is accessed sewage by organic sludge overflow pipe 9.3 The biochemical system or sludge treating system for the treatment of plant.
The water outlet in flocculation reaction area 3 enters settling section 5 by plug-flow transition region 4, and the plug-flow transition region 4 is additionally provided with Skimming system 10.
Settling section 5 includes the clarification and effluent area on pond top and the sludge condensation area of lower part, and clarification and effluent area is disposed with tiltedly Pipe 5.1 and effluent trough 5.2, water outlet that treated enter exhalant region 6 by effluent trough 5.2, are finally discharged by outlet pipe 7;In sludge Enrichment region is equipped with mud scraper 5.4, and bottom is equipped with sludge hopper 5.3,5.3 bottom of sludge hopper is provided with return-flow system 8 in body refuse, mud Return-flow system 8 includes sludge backflow pipe 8.1 and sludge backflow pump 8.2 in slag, is pumped by sludge backflow pipe 8.1 and sludge backflow 8.2 are back to the partial sludge in sludge hopper 5.3 in flocculation reaction area 3, and remaining sludge passes through 5.5 He of body refuse discharge tube Except 5.6 discharge system of body refuse emptying pump.
It should be understood that the part not illustrated in specification is the prior art or common knowledge.The present embodiment is only used It in the explanation invention, rather than limits the scope of the invention, the equivalent replacement that those skilled in the art are the present invention Equal modifications are deemed to fall in invention claims institute protection scope.

Claims (7)

1. a kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank, including sequentially connected raw water water inlet pipe (1), mixed zone (2), Flocculation reaction area (3), plug-flow transition region (4), settling section (5), exhalant region (6) and outlet pipe (7), it is characterised in that: further include Return-flow system (8) and additional body refuse system (9) in body refuse, bottom of return-flow system (8) setting in settling section (5) in the body refuse Portion, the mud inlet of return-flow system (8) is connected with settling section (5) in the body refuse, the mud mouth of return-flow system (8) in the body refuse It is connected with flocculation reaction area (3), the additional body refuse system (9) is arranged in the top of flocculation reaction area (3), the additional body refuse The mud inlet of system (9) is connected with the secondary settling tank sludge pump house of sewage treatment plant, the mud mouth of the additional body refuse system (9) It is connected with flocculation reaction area (3).
2. a kind of advanced treatment of wastewater according to claim 1 adds chamotte mould high efficiency clarification tank, it is characterised in that: described additional Body refuse system (9) includes enters mud pipe (9.1), efficient silt particle cyclone separator (9.2), organic sludge overflow pipe (9.3) and inorganic The mud inlet of sludge discharge pipe (9.4), the enters mud pipe (9.1) is connected with secondary sedimentation tank of sewage treatment work sludge pump house, described The mud mouth of enters mud pipe (9.1) is connected with the mud inlet of efficient silt particle cyclone separator (9.2), the efficient silt particle eddy flow point It is connected respectively with organic sludge overflow pipe (9.3) and inorganic sludge discharge pipe (9.4) from device (9.2) mud mouth, it is described organic The mud mouth of sludge overflow pipe (9.3) is connected with the biochemical system of sewage treatment plant or sludge treating system, the inorganic dirt The mud mouth of mud discharge pipe (9.4) is connected with flocculation reaction area (3).
3. a kind of advanced treatment of wastewater according to claim 2 adds chamotte mould high efficiency clarification tank, it is characterised in that: described mixed It closes and the first frequency conversion speed regulating vertical blender (2.1) is set in area (2), in the first frequency conversion speed regulating vertical blender (2.1) Coagulant dosage pipe (2.2) are arranged in side, are arranged in the bottom of the mixed zone (2) sewage leading to flocculation reaction area (3) Communicating pipe (2.3).
4. a kind of advanced treatment of wastewater according to claim 3 adds chamotte mould high efficiency clarification tank, it is characterised in that: in the wadding Guide shell (3.1) are set in solidifying reaction zone (3), the second frequency conversion speed regulating vertical blender is set in the guide shell (3.1) (3.2) and flocculant concentration pipe (3.3).
5. a kind of advanced treatment of wastewater according to claim 4 adds chamotte mould high efficiency clarification tank, it is characterised in that: the clarification Area (5) is divided into clarification and effluent area and the sludge condensation area of lower part on top, top clarification and effluent area arrange inclined tube (5.1) and Sludge hopper (5.3) and mud scraper (5.4) is arranged in effluent trough (5.2), the sludge condensation area in lower part.
6. a kind of advanced treatment of wastewater according to claim 5 adds chamotte mould high efficiency clarification tank, it is characterised in that: the collection mud The bottom of bucket (5.3) is provided with body refuse discharge tube (5.5), and body refuse discharge is additionally provided on the body refuse discharge tube (5.5) It pumps (5.6).
7. a kind of advanced treatment of wastewater according to claim 3 adds chamotte mould high efficiency clarification tank, it is characterised in that: the body refuse Interior return-flow system (8) includes sludge backflow pipe (8.1) and the sludge backflow being arranged on sludge backflow pipe (8.1) pump (8.2), institute The one end for stating sludge backflow pipe (8.1) is connected in settling section (5), and the other end of the sludge backflow pipe (8.1) is connected to On siphunculus (2.3).
CN201810834045.7A 2018-07-26 2018-07-26 A kind of advanced treatment of wastewater adds chamotte mould high efficiency clarification tank Pending CN109019793A (en)

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Publication number Priority date Publication date Assignee Title
CN111170546A (en) * 2020-01-13 2020-05-19 蓝深集团股份有限公司 High-density clarification tank

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