CN109293066A - A kind of mud rapid flocculation device and flucculation process - Google Patents

A kind of mud rapid flocculation device and flucculation process Download PDF

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Publication number
CN109293066A
CN109293066A CN201811335790.3A CN201811335790A CN109293066A CN 109293066 A CN109293066 A CN 109293066A CN 201811335790 A CN201811335790 A CN 201811335790A CN 109293066 A CN109293066 A CN 109293066A
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CN
China
Prior art keywords
drug storage
priming
plastic tank
tank
screw conveyor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811335790.3A
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Chinese (zh)
Inventor
周庆合
刘德龙
胡实
吴瑞涛
张成君
王硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Fourteen Bureau Group Big Shield Construction Engineering Co Ltd
China Railway 14th Bureau Group Large Shield Engineering Co Ltd
Original Assignee
China Railway Fourteen Bureau Group Big Shield Construction Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Fourteen Bureau Group Big Shield Construction Engineering Co Ltd filed Critical China Railway Fourteen Bureau Group Big Shield Construction Engineering Co Ltd
Priority to CN201811335790.3A priority Critical patent/CN109293066A/en
Publication of CN109293066A publication Critical patent/CN109293066A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • C02F2001/007Processes including a sedimentation step

Abstract

The present invention proposes a kind of mud rapid flocculation device and flucculation process, including framework platform, drug storage plastic tank, fixed pulley, dosing hopper, screw conveyor, priming apparatus and stirring speed reducer;Drug storage plastic tank is mounted in framework platform, and fixed pulley is mounted on framework platform top side and connect with dosing hopper, and dosing hopper outlet is connect with screw conveyor;Screw conveyor feed opening, the water outlet of priming apparatus, drug storage plastic tank tank mouth connect respectively with tee tube, it stirs speed reducer and bottom is set in drug storage plastic tank, the tank body side of drug storage plastic tank is provided with the ring flange medicine outlet connecting with shear pump, and the slurries and medicament shear-mixed that shear pump is used to extract in stirring pool are sent again to sedimentation basin.Technical solution of the present invention, which realizes, quickly to be produced flocculant solution and mix, stands with slurries, and clear water outlet that meet national standards is precipitated, the comprehensive treatment scientific, environmentally friendly to the waste pulp progress in shield-tunneling construction.

Description

A kind of mud rapid flocculation device and flucculation process
Technical field
The invention belongs to environmental protection and shield field of engineering technology, especially a kind of mud rapid flocculation device and flocculation Method.
Background technique
It is more and more in city scope with the raising of fast development and the environmental requirement of high-speed railway and inter-city passenger rail The high-speed railway and inter-city passenger rail project of interior construction use tunnel form.At present both at home and abroad in Construction of City Tunnel, slurry shield With it, the advantages such as efficient, safety, economy occupy the very big share in market for construction.Under various complex geological conditions, muddy water is flat The processing capacity that the Slurry treatment ability of weighing apparatus shield directly restricts the production efficiency of shield-tunneling construction, especially waste pulp directly determines The feasibility that uses of slurry balance shield.Domestic Environment problem is got worse simultaneously, and the ring water of engineering construction is protected and energy conservation subtracts The requirement of row is high, and waste pulp must carry out thorough harmless treatment, and ensure treatment process low-carbon environment-friendly.
One kind that shield engineering slurry is mainly made of water, bentonite clay particle, stickiness soil particle and additive is suspended System, in general, moisture content 70%-80%.During Shield Construction Method Used, being mixed into for shield dregs makes shield The performance of structure engineering slurry is changed, when be not able to satisfy construction in reuse require when, extra mud must just give up It abandons, but the processing disposition of discarded slurry is always the great difficult problem for perplexing engineering construction.Unit in charge of construction is to discarded slurry at present There are mainly two types of processing modes: one is mud is transported to designated area storage by pumping or vehicle-mounted mode to keep it naturally dry Change, or be directly discharged to river and lake, this processing mode not only original backwardness, low efficiency but also seriously destroys ecological ring Border;Another way is to utilize the means such as filtering or centrifugation by slurry dewatering, this mode slurry dewatering low efficiency, treating capacity It is small, equipment investment cost is high, flocculant volume is big, filtering tail water contamination index it is higher, easily to water body generate pollution.Using this side The dewatered dregs of method is also easy to produce secondary argillization, that is, does not meet the requirement of safe disposal, is also unfavorable for the later period to dregs recycling Utilization.Shield is had been unable to meet using the means of filtering or centrifugation for the large-diameter shield based on fine grained, cement particle The demand of structure working security, timeliness and later period dregs resource utilization.Therefore, one is found for shield engineering discarded slurry Safe, economic, environmentally friendly, timely, efficient processing mode have become mud conditioning technology development there is an urgent need to.
Summary of the invention
Technical problem solved by the invention is to provide a kind of mud rapid flocculation device and flucculation process, quickly produces Flocculant solution is mixed with slurries, is stood, and is precipitated clear water outlet that meet national standards, realize to the waste pulp in shield-tunneling construction into Row science, environmentally friendly comprehensive treatment.
The technical solution for realizing the aim of the invention is as follows:
A kind of mud rapid flocculation device, including framework platform, drug storage plastic tank, fixed pulley, dosing hopper, spiral Conveyer, priming apparatus and stirring speed reducer;Drug storage plastic tank is mounted in framework platform, and it is flat that fixed pulley is mounted on rack Platform top side, for transporting flocculant dry powder, and fixed pulley is connect with the arrival end of dosing hopper, and dosing hopper goes out The feed end of mouth end and screw conveyor connects;The feed opening of screw conveyor and the first nozzle of tee tube connect, and water is added to fill The water outlet set is connected by the second nozzle of priming valve door and tee tube, the third nozzle of tee tube and the tank of drug storage plastic tank Mouth connection;It stirs speed reducer and bottom is set in drug storage plastic tank, stirring speed reducer is configured with agitating shaft, the tank of drug storage plastic tank Body side surface near end is provided with a ring flange medicine outlet, and ring flange medicine outlet is connect by dosing valve with shear pump, shears Pump is sent again for extracting the slurries in stirring pool and medicament shear-mixed to sedimentation basin.
Further, mud rapid flocculation device of the invention, priming apparatus are band pump dewatering well.
Further, mud rapid flocculation device of the invention, ring flange medicine outlet bore are 150mm.
Further, mud rapid flocculation device of the invention, drug storage plastics tank volume are 10 cubic metres.
Further, mud rapid flocculation device of the invention, framework platform are 2.5 meters long, 2 meters wide, 4.5 meters high 450H section steel platform.
A kind of mud rapid flocculation method, comprising the following steps:
Step 1: flocculant dry powder being transported to framework platform top using fixed pulley, and flocculant dry powder is poured into In dosing hopper;
Step 2: successively opening priming apparatus, the feed opening of screw conveyor, agitating device, the blanking of screw conveyor Flocculant dry powder, water are added respectively and is stirred into drug storage plastic tank for mouth, priming apparatus;
Step 3: when drug storage plastics tank level reaches the top, successively closing screw conveyor, priming apparatus, stirring dress It sets and continues stirring 40 minutes, obtain flocculant solution;
Step 4: successively opening shear pump, dosing valve, drug storage plastic tank is added flocculant solution to shear pump, cuts simultaneously Pumping is cut to take the slurries of stirring pool to react with flocculant solution shear-mixed and be transported to sedimentation basin;
Step 5: when pond to be precipitated is full, successively closing dosing valve, shear pump, sedimentation basin stands the constantly analysis outward of flocculation group Water recycles suction pump to outlet supernatant liquor, and the sunning of flocculation group is salvaged after outlet.
Further, mud rapid flocculation method of the invention, the priming valve door in priming apparatus are mentioned using the mode of building the pressure Height water outlet hydraulic pressure.
Further, mud rapid flocculation method of the invention, the flocculant solution of a drug storage plastic tank is using 75kg's Flocculant dry powder is mixed with water.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
1, mud rapid flocculation apparatus structure of the invention is simple, using, it is easy to operate, can satisfy shield-tunneling construction scene Demand to flocculant solution;
2, mud rapid flocculation device of the invention using pre-configured flocculant solution and in shear pump directly with Slurries carry out shear-mixed, improve slurries treatment effeciency;
3, the method is simple and quick for mud rapid flocculation of the invention, and slurries treatment effeciency is high, while meeting outlet standard.
Detailed description of the invention
Fig. 1 is mud rapid flocculation apparatus structure schematic diagram of the invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
A kind of mud rapid flocculation device, including framework platform, drug storage plastic tank, fixed pulley, dosing hopper, spiral Conveyer, priming apparatus and stirring speed reducer;Drug storage plastic tank is mounted in framework platform, and it is flat that fixed pulley is mounted on rack Platform top side, for transporting flocculant dry powder, and fixed pulley is connect with the arrival end of dosing hopper, and dosing hopper goes out The feed end of mouth end and screw conveyor connects;The feed opening of screw conveyor and the first nozzle of tee tube connect, and water is added to fill The water outlet set is connected by the second nozzle of priming valve door and tee tube, the third nozzle of tee tube and the tank of drug storage plastic tank Mouth connection;It stirs speed reducer and bottom is set in drug storage plastic tank, stirring speed reducer is configured with agitating shaft, the tank of drug storage plastic tank Body side surface near end is provided with a ring flange medicine outlet, and ring flange medicine outlet is connect by dosing valve with shear pump, shears Pump is sent again for extracting the slurries in stirring pool and medicament shear-mixed to sedimentation basin.
Embodiment 1
A kind of mud rapid flocculation device, as shown in Figure 1, including framework platform, drug storage plastic tank, fixed pulley, adding Spice bucket, screw conveyor, priming apparatus and stirring speed reducer.
Drug storage plastics tank volume is 10 cubic metres, is mounted in framework platform, and framework platform is 2.5 meters long, 2 meters wide, high 4.5 meters of 450H section steel platform.
Fixed pulley is mounted on framework platform top side, for transporting flocculant dry powder, and fixed pulley with plus The arrival end of spice bucket connects, and the outlet end of dosing hopper and the feed end of screw conveyor connect.
The feed opening of screw conveyor and the first nozzle of tee tube connect, and priming apparatus is band pump dewatering well, band pump drop Well is connected by the second nozzle of priming valve door and tee tube, and the third nozzle of tee tube and the tank mouth of drug storage plastic tank connect It connects.
It stirs speed reducer and bottom is set in drug storage plastic tank, stirring speed reducer is configured with agitating shaft.Drug storage plastic tank Tank body side near end be provided with a bore be 150mm ring flange medicine outlet, ring flange medicine outlet by dosing valve with Shear pump connection, the slurries and medicament shear-mixed that shear pump is used to extract in stirring pool are sent again to sedimentation basin.
Embodiment 2
This programme also proposes a kind of mud rapid flocculation method, specifically includes the following steps:
Step 1: divided 3 times using fixed pulley and the flocculant dry powder of 25kg is transported to framework platform top every time, and Flocculant dry powder is poured into dosing hopper;
Step 2: successively opening priming apparatus, the feed opening of screw conveyor, agitating device, the blanking of screw conveyor Mouth, priming apparatus are added flocculant dry powder, water into drug storage plastic tank respectively and are stirred, in priming apparatus plus water Valve improves water outlet hydraulic pressure using the mode of building the pressure, and guarantee completely breaks up flocculant graininess;And by adding the water time to control The lower dose of feed opening, according to the control of the opening time of priming valve door plus water duration;
Step 3: when drug storage plastics tank level reaches the top, successively closing screw conveyor, priming apparatus, avoid elder generation Cut off the water and causes the group's of beating flocculant undissolved, agitating device continues stirring 40 minutes after cutting off the water, so that agglomerate flocculant is completely dissolved, Obtain flocculant solution;
Step 4: successively opening shear pump, dosing valve, drug storage plastic tank is added flocculant solution to shear pump, cuts simultaneously It cuts after pumping takes the slurries of stirring pool to react with flocculant solution shear-mixed and is transported to sedimentation basin;
Step 5: when pond to be precipitated is full, successively closing dosing valve, shear pump, sedimentation basin stands the constantly analysis outward of flocculation group Water recycles suction pump to outlet supernatant liquor, and the sunning of flocculation group is salvaged after outlet.
Present apparatus structure is simple, using, it is easy to operate, can satisfy demand of the shield-tunneling construction scene to flocculant solution, Slurries treatment effeciency is improved simultaneously, correspondingly, this method is simple and efficient, and slurries treatment effeciency is high, while meeting outlet standard.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art For member, without departing from the principle of the present invention, several improvement can also be made, these improvement should be regarded as guarantor of the invention Protect range.

Claims (8)

1. a kind of mud rapid flocculation device, which is characterized in that including framework platform, drug storage plastic tank, fixed pulley, dosing Hopper, screw conveyor, priming apparatus and stirring speed reducer;Drug storage plastic tank is mounted in framework platform, fixed pulley peace Mounted in framework platform top side, for transporting flocculant dry powder, and fixed pulley is connect with the arrival end of dosing hopper, is added The outlet end of spice bucket and the feed end of screw conveyor connect;The feed opening of screw conveyor and the first nozzle of tee tube connect It connects, the water outlet of priming apparatus is connected by the second nozzle of priming valve door and tee tube, the third nozzle of tee tube and drug storage The tank mouth of plastic tank connects;It stirs speed reducer and bottom is set in drug storage plastic tank, stirring speed reducer is configured with agitating shaft, drug storage The tank body side near end of plastic tank is provided with a ring flange medicine outlet, and ring flange medicine outlet passes through dosing valve and shear pump Connection, the slurries and medicament shear-mixed that shear pump is used to extract in stirring pool are sent again to sedimentation basin.
2. mud rapid flocculation device according to claim 1, which is characterized in that priming apparatus is band pump dewatering well.
3. mud rapid flocculation device according to claim 1, which is characterized in that ring flange medicine outlet bore is 150mm.
4. mud rapid flocculation device according to claim 1, which is characterized in that drug storage plastics tank volume is 10 cubes Rice.
5. mud rapid flocculation device according to claim 1, which is characterized in that framework platform is long 2.5 meters, it is 2 meters wide, High 4.5 meters of 450H section steel platform.
6. a kind of mud rapid flocculation method, which comprises the following steps:
Step 1: flocculant dry powder being transported to framework platform top using fixed pulley, and flocculant dry powder is poured into dosing In hopper;
Step 2: successively opening priming apparatus, the feed opening of screw conveyor, agitating device, the feed opening of screw conveyor adds Flocculant dry powder, water are added respectively and is stirred into drug storage plastic tank for water installations;
Step 3: when drug storage plastics tank level reaches the top, successively close screw conveyor, priming apparatus, agitating device after Continuous stirring 40 minutes, obtains flocculant solution;
Step 4: successively opening shear pump, dosing valve, flocculant solution, while shear pump is added to shear pump in drug storage plastic tank The slurries for extracting stirring pool react with flocculant solution shear-mixed and are transported to sedimentation basin;
Step 5: when pond to be precipitated is full, dosing valve, shear pump are successively closed, sedimentation basin stands flocculation group constantly outside bleed, It recycles suction pump to outlet supernatant liquor, the sunning of flocculation group is salvaged after outlet.
7. mud rapid flocculation method according to claim 6, which is characterized in that the priming valve door in priming apparatus uses The mode of building the pressure improves water outlet hydraulic pressure.
8. mud rapid flocculation method according to claim 6, which is characterized in that the flocculant solution of a drug storage plastic tank It is mixed using the flocculant dry powder of 75kg with water.
CN201811335790.3A 2018-11-11 2018-11-11 A kind of mud rapid flocculation device and flucculation process Pending CN109293066A (en)

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CN201811335790.3A CN109293066A (en) 2018-11-11 2018-11-11 A kind of mud rapid flocculation device and flucculation process

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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203061130U (en) * 2013-02-26 2013-07-17 王建强 Flocculant stirring device
CN103951104A (en) * 2014-04-22 2014-07-30 浙江省地质矿产工程公司 Pile foundation construction mud treatment system and mud treatment process
CN104961270A (en) * 2015-06-13 2015-10-07 武亚军 Agent vacuum pre-compression method for treating engineering waste slurry
CN105271610A (en) * 2015-06-18 2016-01-27 北京建研环保设备有限公司 Comprehensive processing process of culturing farm cow dung waste water
CN205187962U (en) * 2015-11-27 2016-04-27 三门峡永龙精煤有限公司 Flocculating agent automatic reagent feeding device
CN107308830A (en) * 2017-07-25 2017-11-03 广西农垦糖业集团红河制糖有限公司 A kind of flocculant dissolved dilution device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203061130U (en) * 2013-02-26 2013-07-17 王建强 Flocculant stirring device
CN103951104A (en) * 2014-04-22 2014-07-30 浙江省地质矿产工程公司 Pile foundation construction mud treatment system and mud treatment process
CN104961270A (en) * 2015-06-13 2015-10-07 武亚军 Agent vacuum pre-compression method for treating engineering waste slurry
CN105271610A (en) * 2015-06-18 2016-01-27 北京建研环保设备有限公司 Comprehensive processing process of culturing farm cow dung waste water
CN205187962U (en) * 2015-11-27 2016-04-27 三门峡永龙精煤有限公司 Flocculating agent automatic reagent feeding device
CN107308830A (en) * 2017-07-25 2017-11-03 广西农垦糖业集团红河制糖有限公司 A kind of flocculant dissolved dilution device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王振: "工程泥浆现场处理技术研究", 《西部探矿工程》 *

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