CN108358491A - A kind of integrated conduct method and mixing feeding device of shield discarded slurry - Google Patents
A kind of integrated conduct method and mixing feeding device of shield discarded slurry Download PDFInfo
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- CN108358491A CN108358491A CN201810107607.8A CN201810107607A CN108358491A CN 108358491 A CN108358491 A CN 108358491A CN 201810107607 A CN201810107607 A CN 201810107607A CN 108358491 A CN108358491 A CN 108358491A
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- Prior art keywords
- curing agent
- waste residue
- mixing
- sensor
- feeding device
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0042—Powdery mixtures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0404—Proportioning
- B28C7/0418—Proportioning control systems therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/062—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors with a pneumatic or hydraulic conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/143—Calcium-sulfate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
- C04B24/383—Cellulose or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
A kind of integrated conduct method of shield discarded slurry, includes the following steps：（1）Discarded slurry is pre-processed to obtain muddy water, mud and particle waste residue；（2）Determination step（1）In obtain the silt content of mud, when silt content >=15%, sandy soil curing agent A2 is added using mixing feeding device and is consolidated, then stirring is pressed into building materials；As silt content ＜ 15%, clay curing agent A1 is added using mixing feeding device and is consolidated, then stirring is pressed into building materials；（3）By step（1）In obtained particle waste residue curing agent is added using mixing feeding device, it is agitated to be pressed into brick.The present invention also provides a kind of mixing feeding devices.The pollution of the diminishbb discarded slurry of the present invention, the problems such as taking up an area, and it is made to obtain secondary use, achieve the purpose that certain economic benefit and energy-saving and emission-reduction.
Description
Technical field
The invention belongs to a kind of places of generated discarded slurry when shield Solid state fermentation technical field more particularly to shield
Reason method and mixing feeding device.
Background technology
In recent years, as the theoretical research of China's soil solidification technique and the gradual of real application research are goed deep into, the country has
Solidified earth is successfully replaced the case of traditional material by many items.Such as Shenyang City is when building new rural village, using soil solidification technique
The village road for having built over thousands of kilometer, works well.In the engineering, directly using local original soil as Building wood
Material, it is possible to reduce a large amount of exploitations of sandstone reduce the discharge of engineering waste and the consumption of transportation power sources, to reduce work
Journey cost, is conducive to energy-saving and emission-reduction and environmental protection.
Waste sludge puddled soil caused by shield machine also belongs to building waste according to the definition of building waste when constructing tunnel
Scope.Due to will produce a large amount of discarded slurry when shield tunnel construction, handle these discarded slurries need to put into it is larger
Manpower and materials increase engineering cost.Meanwhile the storage of these discarded slurries is also a big problem, he involves place
The pollution with underground water is occupied, also the feasible method of neither one is used for handling these discarded slurries at present.Therefore for
The discarded slurry carry out solidified earth recycling just seem it is highly desirable with it is urgent.
Invention content
The technical problem to be solved by the present invention is to：Overcome the shortcomings of to be previously mentioned in background above technology and defect, provide
A kind of integrated conduct method and mixing feeding device of secondary use shield discarded slurry.In order to solve the above technical problems, this hair
The technical solution of bright proposition is：
A kind of integrated conduct method of shield discarded slurry, includes the following steps：
（1）Discarded slurry is pre-processed to obtain muddy water, mud and particle waste residue；
（2）Determination step（1）In obtain the silt content of mud, when silt content >=15%, sandy soil are added using mixing feeding device
Curing agent A2 is consolidated, and then stirring is pressed into building materials；As silt content ＜ 15%, clay is added using mixing feeding device
Curing agent A1 is consolidated, and then stirring is pressed into building materials；
（3）By step（1）In obtained particle waste residue curing agent is added using mixing feeding device, it is agitated to be pressed into brick.
In the integrated conduct method of above-mentioned shield discarded slurry, it is preferred that the pretreatment is used strainer sieve apparatus pair
The discarded slurry carries out layered shaping.
In the integrated conduct method of above-mentioned shield discarded slurry, it is preferred that by step（1）In obtained muddy water using mixing
Additive B, which is added, in feeding device makes muddy water utilize mud at repeatable；Include the component of following parts by weight in the additive B：
15-30 parts of bentonite, 20-30 parts, CMC2-10 parts of foaming agent.It is applicable that additive B, which is mainly used for re-working in muddy water,
Mud is re-applied in slurry balance shield driving, is achieved energy-saving and emission reduction purposes.Certainly, in the present invention can also there is muddy water
Other purposes, if purification filtering is at industrial water.
In the integrated conduct method of above-mentioned shield discarded slurry, it is preferred that the constituent and weight of the curing agent A2
Percentage is：Calcium oxide 2-12%, calcium hydroxide 10-40%, calcium carbonate 5-25%, calcium sulfate 6-28%, calcium chloride 1-10%, surplus
For cement；The addition of the curing agent A2 is subject to the intensity for controlling its consolidation product more than 2.5MPa or more.
In the integrated conduct method of above-mentioned shield discarded slurry, it is preferred that the constituent and weight of the curing agent A1
Percentage is：Calcium oxide 1-20%, calcium hydroxide 5-40%, calcium carbonate 5-30%, calcium sulfate 6-28%, calcium chloride 2-16%, surplus are
Cement；The addition of the curing agent A1 is subject to the intensity for controlling its consolidation product more than 5MPa or more.
In the integrated conduct method of above-mentioned shield discarded slurry, it is preferred that the particle waste residue includes that grain size is less than 2.5mm
Fine grained waste residue and grain size be more than the bulky grain waste residue of 2.5mm, curing agent C processing is added in the fine grained waste residue, described solid
The constituent and weight percent of agent C be：Calcium oxide 2-20%, calcium hydroxide 10-30%, calcium carbonate 10-30%, calcium sulfate
6-20%, calcium chloride 2-20%, surplus are cement；The addition of the curing agent C is more than with the intensity for controlling its consolidation product
Subject to 3MPa or more；Curing agent D processing, the constituent and weight percent of the curing agent D is added in the bulky grain waste residue
For：Calcium oxide 4-30%, calcium hydroxide 10-30%, calcium carbonate 10-30%, calcium sulfate 6-20%, calcium chloride 2-20%, surplus are water
Mud；The addition of the curing agent D is subject to the intensity for controlling its consolidation product more than 5MPa or more.
The technical concept total as one, the present invention also provides in a kind of integrated conduct method of above-mentioned shield discarded slurry
Mixing feeding device, including mixing bunker, for detecting the biography for monitoring muddy water, mud or particle waste residue state in the mixing bunker
Sensor automatically controls the charging component of addition curing agent or additive according to the detection signal of the sensor and for driving
The agitating device of muddy water in mixing bunker, mud or the rotation of particle waste residue is stated, the mixing bunker includes inlet port and outlet port, described
Feed inlet is set to the top of mixing bunker, and the discharge port is set to the lower part of the mixing bunker, and the charging component is set to described mixed
Close the top in storehouse.
In above-mentioned mixing feeding device, it is preferred that the charging component includes the leakage for storing curing agent or additive
Bucket, the nozzle for spraying curing agent or additive and Signal Regulation curing agent or additive fountain height according to the sensor
Electric control valve, the funnel at the top of the nozzle and the mixing bunker by being connected, equipped with connecting tube between funnel and nozzle,
The electric control valve is set in the connecting tube；The agitating shaft that the agitating device includes driving motor, is connected with driving motor
With the paddle on the agitating shaft, the paddle is at least provided with a pair.
In above-mentioned mixing feeding device, it is preferred that the charging component further includes being opened according to the signal of the sensor
Or the air compressor closed, the jet pipe of the air compressor are set in the connecting tube.
In above-mentioned mixing feeding device, it is preferred that the sensor includes adjusting preceding muddy water, mud and particle for detecting
The first sensor of waste residue state and for detect adjust after muddy water, mud and particle waste residue state second sensor, it is described
First sensor is set at the feed inlet of the mixing bunker, and the second sensor is set to the discharge outlet of the mixing bunker；Institute
It states discharge outlet and is additionally provided with and control the control valve that the discharge port is turned on and off according to the feedback signal of the second sensor.
Based on development test interpretation of result, theoretical research and site inspection, before slurry curing soil deep development is feasible
It puts, the recycling of shield tunnel discarded slurry is also feasible.The recycling of slurry curing soil is first by right
Generated discarded slurry carries out certain pretreatment, and large rock mass therein is screened out, according to by experiment match
The curing agent match ratio made matches mud soil, cement, curing agent, and adds water mix, and molding is molded to be expired
The construction material that sufficient intensity requirement and environmental index require.
Compared with the prior art, the advantages of the present invention are as follows：1）The present invention can effectively carry out shield discarded slurry
Secondary use, discarded slurry add corresponding additive or curing agent according to required commercial Slurry purposes difference, repeat
It uses, such as can add different curing agent according to the grain diameter of waste residue and the silt content of waste residue, solidification consolidation is carried out to it, press
Brick or construction material is made.2）The problems such as present invention can reduce the pollution of discarded slurry, take up an area, and it is made to obtain secondary profit
With achieving the purpose that certain economic benefit and energy-saving and emission-reduction.3）Apparatus of the present invention are simple in structure, easy to use, manufacturing cost
Low, the discarded slurry that shield machine generates is divided by being pumped into the feed inlet of mixing bunker after different existing forms, in agitating device
Under effect, muddy water, mud or particle waste residue after overregulating are discharged from discharge port, and sensor detects muddy water, mud in mixing bunker
Slurry or particle waste residue state, then with preset state value relatively come automatically control charging component whether launched into mixing bunker
Curing agent or additive and the amount of dispensing number, it is whole to achieve the purpose that adjust muddy water, mud or particle waste residue state
A device processing procedure is simple, easily-controllable, is not necessarily to excessive manual operation.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the process flow chart of discarded slurry integrated conduct method of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the mixing feeding device in the embodiment of the present invention.
Marginal data：
1, mixing bunker；11, feed inlet；12, discharge port；2, sensor；21, first sensor；22, second sensor；3, it feeds
Component；31, funnel；32, nozzle；33, electric control valve；34, air compressor；35, connecting tube；4, conveyer belt；5, agitating device；
51, agitating shaft；52, paddle；53, driving motor；6, control valve.
Specific implementation mode
To facilitate the understanding of the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but the protection scope of the present invention is not limited to the following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention
Protection domain.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment：
As shown in Figure 1, a kind of integrated conduct method of shield discarded slurry, includes the following steps：
（1）The used strainer sieve apparatus of discarded slurry is pre-processed to obtain muddy water, mud, fine grained waste residue（Grain size is more than
2.5mm）With bulky grain waste residue（Grain size is less than 2.5mm）；
（2）By step（1）In obtained muddy water additive B is added using mixing feeding device muddy water is made to utilize mud at repeatable
Slurry；Wherein, the component of following parts by weight is included in additive B：30 parts of bentonite, CMC8 parts, 30 parts of foaming agent.Additive B master
It is used to re-work discarded slurry for applicable mud, re-applies in slurry balance shield driving, reach energy saving
The purpose of emission reduction；
（3）Determination step（1）In obtain the silt content of mud, when silt content >=15%, sandy soil are added using mixing feeding device
Curing agent A2 is consolidated, and then stirring is pressed into building materials；As silt content ＜ 15%, clay is added using mixing feeding device
Curing agent A1 is consolidated, and then stirring is pressed into building materials；Wherein, the component of following mass percent is included in curing agent A2：
Calcium oxide 6%, calcium hydroxide 20%, calcium carbonate 15%, calcium sulfate 14%, calcium chloride 8%, surplus are cement, the addition of curing agent A2
The intensity for controlling its consolidation product be subject to more than 2.5MPa or more；Include the component of following mass percent in curing agent A1：
Calcium oxide 8%, calcium hydroxide 25%, calcium carbonate 15%, calcium sulfate 14%, calcium chloride 4%, surplus are cement, the addition of curing agent A1
The intensity for controlling its consolidation product be subject to more than 5MPa or more；
（4）By step（1）In obtained fine grained waste residue curing agent C is added, it is agitated to be pressed into brick；Wherein, it is wrapped in curing agent C
Component containing following mass percent：Calcium oxide 8%, calcium hydroxide 30%, calcium carbonate 20%, calcium sulfate 16%, calcium chloride 7%, surplus
For cement, the addition of curing agent C is subject to the intensity for controlling its consolidation product more than 3MPa or more；
（5）By step（1）In obtained bulky grain waste residue curing agent D is added, it is agitated to be pressed into brick；Wherein, it is wrapped in curing agent D
Component containing following mass percent：Calcium oxide 6%, calcium hydroxide 20%, calcium carbonate 14%, calcium sulfate 10%, calcium chloride 8%, surplus
For cement, the addition of curing agent D is subject to the intensity for controlling its consolidation product more than 5MPa or more.
As shown in Fig. 2, the mixing feeding device in the present embodiment, including mixing bunker 1, for detecting in monitoring mixing bunker 1
Muddy water, mud or particle waste residue state（Reach the state needed for final consolidation strength）Sensor 2, according to the inspection of sensor 2
It surveys signal and automatically controls the charging component 3 of addition curing agent or additive and for driving muddy water, mud or particle in mixing bunker 1
The agitating device 5 of waste residue rotation, mixing bunker 1 include feed inlet 11 and discharge port 12, and feed inlet 11 is set to the top of mixing bunker 1,
Discharge port 12 is set to the lower part of mixing bunker 1, and charging component 3 is set to the top of mixing bunker 1, simple in structure, the easy to use, manufacture
At low cost, after feed inlet 11 enters mixing bunker 1, sensor 2 detects its state for muddy water, mud or particle waste residue, and feed component 3
The amount for launching curing agent or additive is controlled to adjust muddy water, mud or particle waste residue according to the testing result of sensor 2
State, agitating device 5 ensure the material in mixing bunker 1 rotation with charging component 3 in curing agent or additive be sufficiently mixed
After be discharged, with best recycling discarded slurry.
In the present embodiment, charging component 3 includes for storing the funnel 31 of curing agent or additive, for spraying curing agent
Or additive nozzle 32 and according to the Signal Regulation curing agent of sensor 2 or the electric control valve 33 of additive fountain height, funnel
31 are connected by nozzle 32 with 1 top of mixing bunker, connecting tube 35 are equipped between funnel 31 and nozzle 32, electric control valve 33, which is set to, to be connected
On take over 35；In the present embodiment, agitating device 5 includes driving motor 53, the agitating shaft 51 being connected with driving motor 53 and is located at
Paddle 52 on agitating shaft 51, paddle 52 is at least provided with a pair.Curing agent or additive are deposited in funnel 31, electrically-controlled valve
Door 33 can receive the signal of sensor 2 to adjust its aperture, and when electric control valve 33 is opened, curing agent or additive pass through spray
Mouth 32 is uniformly sprayed in mixing bunker 1 to be mixed with muddy water, mud or particle waste residue, and funnel 31 can store a large amount of curing agent or add
Add agent, avoids and add repeatedly troublesome in poeration because usage amount is big, while infundibulate is conducive to curing agent or additive glides and sprays,
It will not build up to block and spray unsmooth situation, nozzle 32 can be conducive to and mud by curing agent or additive sprinkling evenly
The mixing of water, mud or particle waste residue is adjusted, and electric control valve 33 is realized with the cooperation of sensor 2 according to muddy water, mud or particle
The state of waste residue automatically adjusts, and avoids the inappropriate problem of amount that curing agent or additive is added.The quantity of paddle 52 can
It is accordingly adjusted and is changed according to actual conditions, to adapt to the state of material in mixing bunker 1.
In the present embodiment, charging component 3 further includes the air compressor 34 being turned on and off according to the signal of sensor 2,
The jet pipe of air compressor 34 is set in connecting tube 35, and air compressor 34 and electric control valve 33 act simultaneously, what jet pipe sprayed
Air-flow contributes to the uniform sprinkling and mixing of curing agent or additive, while under the percussion of air-flow, connecting tube 35 and spray
Blocking is not likely to produce at mouth 32.
In the present embodiment, sensor 2 includes for detecting the first sensing for adjusting preceding muddy water, mud or particle waste residue state
Device 21 and for detect adjust after muddy water, mud or particle waste residue state second sensor 22, first sensor 21 is set to mixed
At the feed inlet 11 for closing storehouse 1, second sensor 22 is set at the discharge port 12 of mixing bunker 1, and two sensors 2 of setting detect respectively
The state of position muddy water, mud or particle waste residue, with the variation of adjusted front and back state, then according to the state before and after adjusting
Difference and preset value control the addition situation of curing agent or additive, in this way setting to the adjusting of state more accurately and timely.
In the present embodiment, it is additionally provided at discharge port 12 and is opened according to the feedback signal control discharge port 12 of second sensor 22
Or the control valve 6 closed.Control valve 6 can control discharge port 12 to be turned on and off, when in mixing bunker 1 material and curing agent or add
When agent being added to mix uneven or curing agent and very few additive amount, preset state is not achieved in the material state in mixing bunker 1
When, second sensor 22 can send out coherent signal, and discharge port can be closed after the feedback signal of the reception second sensor 22 of control valve 6
12, make the material in mixing bunker 1 that can not be discharged, so as to adjustment material state appropriate to reach preset value.
In the present embodiment, the contact of sensor 2 is arranged towards muddy water, mud or particle waste residue region, and contact is towards mud
Testing result is more accurate when water, mud or particle waste residue, and the reaction of sensor 2 is more sensitive.
The conveyer belt of muddy water, mud or particle waste residue after being used to transport adjusting is equipped in the present embodiment, below discharge port 12
4, muddy water, mud or particle waste residue after adjusting are discharged from discharge port 12, then drop down onto conveyer belt 4, and conveyer belt 4 can will be after adjusting
Muddy water, mud or particle waste residue send to ground, with the use of convenient.
Claims (10)
1. a kind of integrated conduct method of shield discarded slurry, which is characterized in that include the following steps：
（1）Discarded slurry is pre-processed to obtain muddy water, mud and particle waste residue；
（2）Determination step（1）In obtain the silt content of mud, when silt content >=15%, sandy soil are added using mixing feeding device
Curing agent A2 is consolidated, and then stirring is pressed into building materials；As silt content ＜ 15%, clay is added using mixing feeding device
Curing agent A1 is consolidated, and then stirring is pressed into building materials；
（3）By step（1）In obtained particle waste residue curing agent is added using mixing feeding device, it is agitated to be pressed into brick.
2. the integrated conduct method of shield discarded slurry according to claim 1, which is characterized in that the pretreatment is use
Filter screen sieve apparatus carries out layered shaping to the discarded slurry.
3. the integrated conduct method of shield discarded slurry according to claim 1 or 2, which is characterized in that by step（1）In
Additive B, which is added, using mixing feeding device in obtained muddy water makes muddy water utilize mud at repeatable；Include in the additive B
The component of following parts by weight：15-30 parts of bentonite, 20-30 parts, CMC2-10 parts of foaming agent.
4. the integrated conduct method of shield discarded slurry according to claim 1 or 2, which is characterized in that the curing agent
The constituent and weight percent of A2 be：Calcium oxide 2-12%, calcium hydroxide 10-40%, calcium carbonate 5-25%, calcium sulfate 6-
28%, calcium chloride 1-10%, surplus is cement；The addition of the curing agent A2 is more than with the intensity for controlling its consolidation product
Subject to 2.5MPa or more.
5. the integrated conduct method of shield discarded slurry according to claim 1 or 2, which is characterized in that the curing agent
The constituent and weight percent of A1 be：Calcium oxide 1-20%, calcium hydroxide 5-40%, calcium carbonate 5-30%, calcium sulfate 6-28%,
Calcium chloride 2-16%, surplus are cement；The addition of the curing agent A1 consolidates the intensity of product more than 5MPa or more to control it
Subject to.
6. the integrated conduct method of shield discarded slurry according to claim 1 or 2, which is characterized in that the particle is useless
Cinder ladle includes fine grained waste residue of the grain size less than 2.5mm and grain size is more than the bulky grain waste residue of 2.5mm, and the fine grained waste residue is added
Curing agent C processing, the constituent and weight percent of the curing agent C are：Calcium oxide 2-20%, calcium hydroxide 10-30%, carbon
Sour calcium 10-30%, calcium sulfate 6-20%, calcium chloride 2-20%, surplus are cement；The addition of the curing agent C is to control its consolidation
The intensity of product is more than subject to 3MPa or more；The bulky grain waste residue is added curing agent D processing, the composition of the curing agent D at
Divide and weight percent is：Calcium oxide 4-30%, calcium hydroxide 10-30%, calcium carbonate 10-30%, calcium sulfate 6-20%, calcium chloride 2-
20%, surplus is cement；The addition of the curing agent D is subject to the intensity for controlling its consolidation product more than 5MPa or more.
7. the mixing feeding device in a kind of integrated conduct method for any one of claim 1-6, which is characterized in that
Including mixing bunker（1）, for detecting monitor the mixing bunker（1）The sensor of interior muddy water, mud or particle waste residue state（2）、
According to the sensor（2）Detection signal automatically control addition curing agent or additive charging component（3）With for driving
The mixing bunker（1）The agitating device of interior muddy water, mud or the rotation of particle waste residue（5）, the mixing bunker（1）Including feed inlet
（11）And discharge port（12）, the feed inlet（11）Set on mixing bunker（1）Top, the discharge port（12）Set on the mixing
Storehouse（1）Lower part, the charging component（3）Set on the mixing bunker（1）Top.
8. mixing feeding device according to claim 7, which is characterized in that the charging component（3）Including being used to store
The funnel of curing agent or additive（31）, nozzle for spraying curing agent or additive（32）With according to the sensor（2）
Signal Regulation curing agent or additive fountain height electric control valve（33）, the funnel（31）Pass through the nozzle（32）With institute
State mixing bunker（1）Top is connected, funnel（31）And nozzle（32）Between be equipped with connecting tube（35）, the electric control valve（33）It is set to
The connecting tube（35）On；The agitating device（5）Including driving motor（53）With driving motor（53）Connected agitating shaft
（51）With positioned at the agitating shaft（51）On paddle（52）, the paddle（52）At least provided with a pair.
9. mixing feeding device according to claim 8, which is characterized in that the charging component（3）Further include according to institute
State sensor（2）The air compressor that is turned on and off of signal（34）, the air compressor（34）Jet pipe be set to it is described
Connecting tube（35）It is interior.
10. the mixing feeding device according to any one of claim 7-9, which is characterized in that the sensor（2）Including
For detecting the first sensor for adjusting preceding muddy water, mud and particle waste residue state（21）With for detect adjust after muddy water, mud
The second sensor of slurry and particle waste residue state（22）, the first sensor（21）Set on the mixing bunker（1）Feed inlet
（11）Place, the second sensor（22）Set on the mixing bunker（1）Discharge port（12）Place；The discharge port（12）Place is also set
Have according to the second sensor（22）Feedback signal control the discharge port（12）The control valve being turned on and off（6）.
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| CN109053056A (en) * | 2018-10-09 | 2018-12-21 | 河南能工巧匠网络科技有限公司 | A method of city-wall brick is prepared using shield waste pulp |
| CN111389853A (en) * | 2019-03-18 | 2020-07-10 | 中国建筑股份有限公司 | Earth pressure balance shield mud curing treatment system |
| CN112720839A (en) * | 2020-12-25 | 2021-04-30 | 安徽砼宇特构科技有限公司 | A muddy water processing apparatus for shield constructs machine |
| CN114716255A (en) * | 2022-03-17 | 2022-07-08 | 南京理工大学 | Ceramsite modifier fired by shield muck and method for sintering ceramsite by shield muck |
| CN114888958A (en) * | 2022-06-09 | 2022-08-12 | 腾达建设集团股份有限公司 | Design method for mixing proportion of single slurry regenerated from waste slurry |
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| CN112720839A (en) * | 2020-12-25 | 2021-04-30 | 安徽砼宇特构科技有限公司 | A muddy water processing apparatus for shield constructs machine |
| CN114716255A (en) * | 2022-03-17 | 2022-07-08 | 南京理工大学 | Ceramsite modifier fired by shield muck and method for sintering ceramsite by shield muck |
| CN114888958A (en) * | 2022-06-09 | 2022-08-12 | 腾达建设集团股份有限公司 | Design method for mixing proportion of single slurry regenerated from waste slurry |
| CN114888958B (en) * | 2022-06-09 | 2024-04-09 | 腾达建设集团股份有限公司 | Method for designing mixing ratio of waste slurry regenerated single slurry |
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