CN113731280B - Mixing device for preparing heavy metal contaminated soil composite passivating agent and use method - Google Patents
Mixing device for preparing heavy metal contaminated soil composite passivating agent and use method Download PDFInfo
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- CN113731280B CN113731280B CN202111025071.3A CN202111025071A CN113731280B CN 113731280 B CN113731280 B CN 113731280B CN 202111025071 A CN202111025071 A CN 202111025071A CN 113731280 B CN113731280 B CN 113731280B
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- 238000002156 mixing Methods 0.000 title claims abstract description 86
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 43
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 138
- 239000002994 raw material Substances 0.000 claims abstract description 57
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000009191 jumping Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 229910021536 Zeolite Inorganic materials 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005341 cation exchange Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910001579 aluminosilicate mineral Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Power Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a mixing device for preparing a heavy metal contaminated soil composite passivating agent and a use method thereof, aiming at the problems that the existing mixing device is inconvenient to stir raw materials in a bidirectional rotating way, continuously and uniformly crush and move to uniformly stir the raw materials.
Description
Technical Field
The invention relates to the technical field of mixing equipment, in particular to a mixing device for preparing a composite passivating agent for heavy metal contaminated soil and a using method.
Background
For the soil, especially the soil polluted by heavy metals, the soil cannot be used as a soil matrix for the growth of crops, and the main reason is that the heavy metal ions in the soil are absorbed by the crops, and after people and livestock eat the crops, the content of the heavy metal ions in the body can be obviously increased, so that the health of the human body is influenced, therefore, the composite passivating agent is scattered into the soil, the heavy metal ions are promoted to react with the passivating agent, and the substance form which is difficult to be absorbed by plants is formed, so that the aim of purifying the soil is fulfilled; the content ranges of the components of zeolite, activated carbon and fly ash in the existing composite passivating agent are 3:1:1 (mass ratio), the zeolite is a porous aluminosilicate mineral with an anionic frame-shaped silicate structure, has larger specific surface area and high cation exchange capacity, and has strong adsorption capacity and ion exchange effect on heavy metals; the activated carbon has the characteristics of larger porosity, rich active functional groups and high cation exchange capacity, and has very strong adsorption capacity and complexation effect on heavy metals; the zeolite and the activated carbon have better adsorptivity to nutrient elements N, P and K, have strong fertilizer retention capacity, are environment-friendly materials, and the fly ash has larger specific surface area, pH value and clay content; has better adsorption capacity to heavy metals and other nutrient elements.
When the composite passivating agent is prepared, various raw materials (zeolite, active carbon and fly ash) are required to be mixed to form the passivating agent, so that mixing equipment is required, most of the existing mixing equipment is simply stirred and mixed by a stirring box, and the existing mixing equipment has some disadvantages:
1. the dual-direction stirring device has the defect that the dual-direction rotation stirring is inconvenient, (most of the dual-direction rotation stirring devices control the stirring shaft to transversely rotate, and the passivating agent is granular powder and is different from water, so that the rapid and uniform mixing is difficult, the mixing effect is poor, and the mixing efficiency is low);
2. The method has the defect that the entering raw materials are inconvenient to continuously and uniformly crush (more blocky raw materials exist during mixing, so that the mixing is uneven and the using effect is affected);
3. it has the disadvantage of inconvenient movement of the uniform stirring, (most of which require removal of the formed passivating agent after mixing, followed by manual individual stirring).
In order to solve the problems that the raw materials are inconvenient to stir in a bidirectional rotating way, continuously and uniformly crush and move and uniformly stir, the mixing device for preparing the heavy metal contaminated soil composite passivating agent and the using method are provided.
Disclosure of Invention
The mixing device for preparing the heavy metal contaminated soil composite passivator and the using method thereof solve the problems that bidirectional rotation stirring, continuous and uniform crushing and uniform stirring of raw materials are inconvenient.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The mixing device comprises a mixing box with an opening at the top, a cover plate is fixedly connected to the top of the mixing box, a feeding circular tube is embedded in the left side of the top of the cover plate, two sides of the bottom of the mixing box are fixedly connected with supports, the bottoms of the two supports are fixedly connected with a U-shaped base, a storage battery is fixedly connected to the left side of the top of the U-shaped base, a tractor connecting seat is fixedly connected to the right side of the top of the U-shaped base, travelling wheels are rotatably arranged at four corners of the bottom of the U-shaped base, the inner wall of the bottom of the mixing box is of a conical structure, the bottom of the mixing box is communicated and fixedly provided with a rectangular discharging tube positioned in the U-shaped base, a driving motor electrically connected with the storage battery is arranged above the cover plate, the top of the up-down flip type transverse and longitudinal bidirectional stirring mixing mechanism is fixedly connected with the driving motor, a linkage type feeding uniform crushing mechanism is arranged on the cover plate, the linkage type feeding uniform crushing mechanism is fixedly sleeved on the outer side of the driving motor, and a discharging mechanism is arranged on the rectangular discharging tube;
The blanking mechanism comprises a striker plate movably sleeved in the rectangular discharging pipe, the right side of the striker plate extends out of the rectangular discharging pipe, a first motor electrically connected with the storage battery is fixedly mounted on the right side of the support on the right side, the left end of an output shaft of the first motor is fixedly connected with a screw rod, and the screw rod is sleeved with threads of the striker plate.
Preferably, the horizontal two-way stirring compounding mechanism of formula of picking from top to bottom includes the rectangular pipe of fixed connection at the mixing box top, the top of rectangular pipe and driving motor's bottom fixed connection, driving motor's output shaft extends to in the rectangular pipe and fixedly connected with reciprocating screw, reciprocating screw's bottom fixedly connected with square pole, the bottom of square pole extends to the mixing box in, the slip cap is equipped with the square pipe of bottom for the shutoff structure on the square pole, two (mixing) shafts are all rotated to the both sides of square pipe, the vertical stirring leaf of outside fixedly connected with of (mixing) shaft, the one end that two (mixing) shafts that are located same horizontal line are close to each other all extends to in the square pipe and fixedly connected with same first gear, the rear side meshing of two first gears has same rack, the top of rack and the bottom fixed connection of square pole, the outside top rotation cover of square pipe is equipped with the annular slab, and the equal fixedly connected with guide bar in both sides of annular slab, the top of two guide bars all extends to the top of apron and fixedly connected with first sliding sleeve on the square pipe, first sliding sleeve slip cap establishes on the rectangular pipe, reciprocating sliding block is equipped with reciprocating sliding block, the both sides fixedly connected with between the inner wall of reciprocating screw respectively.
Preferably, the even broken mechanism of coordinated type feeding is established at the first bevel gear in driving motor output shaft outside including fixed cover, the top right side of apron is inlayed and is equipped with the rectangle inlet pipe, the top fixedly connected with feeder hopper of rectangle inlet pipe, rotate between the both sides inner wall of rectangle inlet pipe and install the round axle, the outside fixedly connected with of round axle has a plurality of broken blades, the both ends of round axle all extend to outside the rectangle inlet pipe, the left end fixedly connected with of round axle and the second bevel gear of first bevel gear engaged with, the fixed cover is equipped with two eccentric wheels on the round axle, the rectangle inlet pipe is located between two eccentric wheels, the slip cap is equipped with the rectangle inner tube in the rectangle inlet pipe, the top fixedly connected with of rectangle inner tube is located the filter screen of broken blade below, the outside bottom fixed cover of rectangle inner tube is equipped with the return shape pole that is located the rectangle inlet pipe below, the top front side and the top rear side of return shape pole all fixedly connected with two locating levers, the top of four locating levers all extends to the top of apron and fixedly connected with same second sliding sleeve, the second sliding sleeve is established on the rectangle inlet pipe, the bottom both sides of second sliding sleeve are all have the ball, the ball and the corresponding ball is located the square inner tube and is located the rectangle locating block and is connected with the corresponding to the square spring on the fixed side of the top of the rectangle sliding sleeve, the sliding sleeve is connected with the ball and the sliding sleeve is connected with the square spring.
Preferably, rectangular perforation which is in sliding connection with the outer side of the baffle plate is formed in the right inner wall of the rectangular discharge pipe, the front side and the rear side of the baffle plate are respectively in sliding contact with the front inner wall and the rear inner wall of the rectangular discharge pipe, a thread groove which is in threaded connection with a screw rod is formed in the right side of the baffle plate, a limit groove is formed in the right side of the bottom of the mixing box, and a limit block which is in sliding connection with the limit groove is fixedly connected to the right side of the top of the baffle plate.
Preferably, rectangular through holes are formed in the inner walls of the two sides of the rectangular pipe, the front inner wall and the rear inner wall of the rectangular through holes are respectively connected with the front side and the rear side of the corresponding connecting seat in a sliding mode, a reciprocating screw hole in threaded connection with the reciprocating screw rod is formed in the top of the reciprocating sliding block, an penetrating hole with the top being provided with an opening is formed in the inner wall of the right side of the rectangular pipe, and the circular shaft is located in the penetrating hole and is not in contact with the inner wall of the penetrating hole.
Preferably, the annular plate internal fixation cover is equipped with first bearing, the inboard outside fixed connection of side pipe of inner circle of first bearing, and first round hole and two guiding holes have been seted up at the top of apron, and first round hole internal fixation cover is equipped with the second bearing, the inboard outside fixed connection of the inner circle of second bearing and side pole, the inner wall of guiding hole and the outside sliding connection of the guiding rod that corresponds.
Preferably, rectangular holes and four second round holes are formed in the top of the cover plate, third round holes are formed in the top of the rectangular block, the inner wall of each rectangular hole is fixedly connected with the outer side of the rectangular feeding pipe, and the inner wall of each second round hole and the inner wall of each third round hole are both in sliding connection with the outer side of the corresponding positioning rod.
Preferably, the inner walls of the two sides of the rectangular feeding pipe are provided with fourth round holes, the inner fixing sleeves of the fourth round holes are provided with third bearings, and the inner rings of the third bearings are fixedly sleeved with the outer sides of the round shafts.
Preferably, still be provided with the stirring mechanism on the rectangle row material pipe, stirring mechanism is including rotating the pivot of installing on the rectangle row material pipe rear side inner wall, movable contact has the stirring pipe between the both sides inner wall of rectangle row material pipe, the outside of stirring pipe is the equidistant silo of dialling of having offered a plurality of fronts and rear side for the opening setting of opening, all fixedly connected with branch on the top inner wall and the bottom inner wall of stirring pipe, the one end that two branches are close to each other respectively with the top and the bottom fixed connection of pivot, the front side fixed mounting of rectangle row material pipe has the second motor with battery electric connection, and the output shaft and the front end fixed connection of pivot of second motor.
The invention also provides a using method of the mixing device for preparing the heavy metal contaminated soil composite passivating agent, which comprises the following steps:
s1: starting a driving motor, wherein an output shaft of the driving motor drives the reciprocating screw rod and the first bevel gear to rotate;
s2: the reciprocating screw rod in the S1 drives the square rod to rotate when rotating, the square rod drives the square tube to horizontally rotate, and the square tube drives the four stirring shafts to horizontally rotate;
S3: when the reciprocating screw rod in the S1 rotates, under the action of a reciprocating screw hole formed in a reciprocating sliding block, the reciprocating sliding block can be driven to circularly move up and down, the reciprocating sliding block drives a first sliding sleeve to circularly slide up and down on a rectangular pipe through two connecting seats, the first sliding sleeve drives an annular plate to circularly move up and down through two guide rods, the annular plate drives a square pipe to circularly slide up and down on a square rod through a first bearing, the square pipe drives two stirring shafts and a plurality of longitudinal stirring blades to circularly bounce up and down, the stirring shafts drive corresponding first gears to circularly move up and down, the first gears do circular forward and backward rotation when moving at the front side of a rack, and the first gears drive the longitudinal stirring blades to longitudinally rotate through corresponding stirring shafts, so that the vertical bounce of the stirring shafts and the longitudinal rotation of the longitudinal stirring blades are realized;
S4: the method comprises the steps that S1, when a first bevel gear rotates, a circular shaft is driven to rotate through a second bevel gear, the circular shaft drives a plurality of broken cutters and two eccentric wheels to rotate, corresponding balls are extruded in an upward collision mode when the eccentric wheels rotate for the first half circle, under the collision extrusion force, the balls jump upwards and drive a second sliding sleeve to slide upwards on a rectangular feeding pipe, the second sliding sleeve stretches four springs, extrusion force on the corresponding balls is gradually relaxed when the eccentric wheels rotate for the second half circle, at the moment, the four springs in a stretching state drive the second sliding sleeve to move downwards, the eccentric wheels continuously rotate and can drive the second sliding sleeve to move up and down in a circulating mode, the second sliding sleeve drives a return-shape rod to move up and down in a circulating mode through four positioning rods, and the return-shape rod drives a filter screen to vibrate up and down in a circulating mode through a rectangular inner pipe;
S5: pouring raw materials to be mixed into a rectangular feeding pipe, wherein a plurality of wall breaking cutters in rotation in S4 can crush the raw materials, the crushed falling raw materials are screened by a filter screen vibrating up and down, the crushed qualified raw materials downwards pass through the filter screen to enter a mixing box, and the large raw materials which are unqualified in filtration are continuously vibrated upwards to the wall breaking cutters to be continuously crushed when the filter screen vibrates, and continuously vibrated and screened, and the effect of gradually and continuously and uniformly crushing is achieved by analogy;
S6: the crushed raw materials in S5 fall into a mixing box, at the moment, the stirring shaft which horizontally rotates in S2 stirs the raw materials in the horizontal direction, at the moment, the stirring shaft which vertically jumps circularly lifts the raw materials in S3, at the moment, the longitudinal stirring blades which longitudinally rotate synchronously stir the raw materials longitudinally, the effect of horizontally and longitudinally stirring the raw materials and circularly lifting the raw materials vertically is achieved, and under the mutual cooperation of the two-way stirring and the lifting the raw materials, the mixing efficiency and uniformity of the passivating agent are improved;
S7: when the passivating agent formed after mixing is moved and stirred, a tractor connecting seat on the U-shaped base is connected with an external traction vehicle, the external traction vehicle drives the U-shaped base and a travelling wheel at the bottom of the U-shaped base to move through the tractor connecting seat, a first motor is reversely started to drive a screw rod to rotate, the screw rod rotates to drive a baffle plate to move rightwards under the action of a threaded hole formed in the baffle plate, the blocking of the top of a rectangular material discharging pipe is relieved, the passivating agent formed after mixing enters the rectangular material discharging pipe downwards at the moment, a second motor is started to drive a rotating shaft to rotate, the rotating shaft drives a stirring circular pipe to rotate through two support rods, the stirring circular pipe drives a plurality of stirring grooves to rotate, and the plurality of stirring grooves sequentially rotate to stir the entering passivating agent downwards evenly, so that the aim of uniformly stirring the moving stirring is fulfilled.
Compared with the prior art, the invention has the beneficial effects that:
The invention is convenient for blanking, is convenient for realizing continuous uniform crushing and bidirectional rotation stirring of raw materials by single drive, can continuously and uniformly screen and crush the entered raw materials, can synchronously and bidirectionally stir and pick up and turn over the raw materials, improves the mixing efficiency and uniformity, is convenient for moving and stirring the mixed passivating agent uniformly, and meets the use requirement.
Drawings
Fig. 1 is a schematic structural diagram of a mixing device for preparing a composite passivating agent for heavy metal contaminated soil according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is an enlarged schematic view of the portion B in FIG. 2;
Fig. 5 is a schematic view of a three-dimensional structure of a rectangular feed pipe, a second sliding sleeve, balls, a circular shaft, an eccentric wheel, a rectangular block, a positioning rod, a spring, a rectangular inner pipe and a connecting piece of a rectangular rod of a mixing device for preparing a composite passivating agent for heavy metal contaminated soil according to the first embodiment of the invention;
fig. 6 is a schematic perspective view of a rectangular tube of a mixing device for preparing a composite passivating agent for heavy metal contaminated soil according to the first embodiment of the present invention;
fig. 7 is a schematic perspective view of a U-shaped base of a mixing device for preparing a composite passivating agent for heavy metal contaminated soil according to an embodiment of the present invention;
Fig. 8 is a schematic structural diagram of a mixing device for preparing a composite passivating agent for heavy metal contaminated soil according to a second embodiment of the present invention;
Fig. 9 is a schematic cross-sectional view of fig. 8.
In the figure: the device comprises a 1U-shaped base, a 2 mixing box, a3 storage battery, a 4 rectangular discharging pipe, a 5 cover plate, a 6 rectangular pipe, a7 driving motor, an 8 reciprocating screw rod, a 9 square rod, a 10 square pipe, a 11 stirring shaft, a 12 longitudinal stirring blade, a 13 first gear, a 14 rack, a 15 annular plate, a 16 first sliding sleeve, a 17 guide rod, a 18 connecting seat, a 19 reciprocating sliding block, a 20 rectangular through hole, a 21 first bevel gear, a 22 rectangular feeding pipe, a 23 round shaft, a 24 round shaft, a 25 rectangular inner pipe, a 26 square rod, a 27 filter screen, a 28 second sliding sleeve, 29 balls, a 30 eccentric wheel, a 31 rectangular block, a 32 positioning rod, a 33 spring, a 34 broken cutter, a 35 baffle plate, a 36 screw rod, a 37 first motor, a 38 stirring round pipe, a 39 stirring groove, a 40 supporting rod, a 41 rotating shaft and a 42 second motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-7, a mixing device for preparing a heavy metal contaminated soil composite passivating agent comprises a mixing box 2 with an opening at the top, a cover plate 5 is fixedly connected to the top of the mixing box 2, a feeding circular pipe is embedded in the left side of the top of the cover plate 5, supports are fixedly connected to the two sides of the bottom of the mixing box 2, a U-shaped base 1 is fixedly connected to the bottoms of the two supports, a storage battery 3 is fixedly connected to the left side of the top of the U-shaped base 1, a tractor connecting seat is fixedly connected to the right side of the top of the U-shaped base 1, travelling wheels are rotatably arranged at four corners of the bottom of the U-shaped base 1, the tractor connecting seat, the U-shaped base 1 and the travelling wheels are utilized to facilitate driving the mixing device through an external tractor, the inner wall of the bottom of the mixing box 2 is in a conical structure, a rectangular discharging pipe 4 positioned in the U-shaped base 1 is communicated and fixed to the bottom of the mixing box 2, a driving motor 7 electrically connected with the storage battery 3 is arranged above the cover plate 5, a vertical bidirectional stirring mechanism is arranged on the cover plate 5, the top of the vertical bidirectional stirring mechanism is fixedly connected with the driving motor 7, a tractor connecting seat is fixedly connected to the driving motor 7, a uniform discharging mechanism is arranged on the cover plate 5, and a uniform discharging mechanism is arranged on the outer side of the crushing motor 4;
The blanking mechanism comprises a baffle plate 35 movably sleeved in the rectangular discharging pipe 4, the right side of the baffle plate 35 extends out of the rectangular discharging pipe 4, a first motor 37 electrically connected with the storage battery 3 is fixedly arranged on the right side of a support seat positioned on the right side, the left end of an output shaft of the first motor 37 is fixedly connected with a screw rod 36, the baffle plate 35 is sleeved on the screw rod 36 in a threaded manner, the baffle plate 35 can be driven to move right or left by using the first screw rod 36, the blocking and blocking of the top of the rectangular feeding pipe 4 can be conveniently and rapidly removed, and blanking is facilitated;
The up-down-picking type transverse and longitudinal bidirectional stirring and mixing mechanism comprises a rectangular pipe 6 fixedly connected to the top of a mixing box 2, the top end of the rectangular pipe 6 is fixedly connected with the bottom of a driving motor 7, the output shaft of the driving motor 7 extends into the rectangular pipe 6 and is fixedly connected with a reciprocating screw rod 8, the bottom end of the reciprocating screw rod 8 is fixedly connected with a square rod 9, the bottom end of the square rod 9 extends into the mixing box 2, a square pipe 10 with the bottom end being in a plugging structure is sleeved on the square rod 9 in a sliding manner, the square pipe 10 can be provided for sliding displacement up and down on the square rod 9 in a sliding manner by utilizing the square pipe 10, the driving motor 7, the reciprocating screw rod 8 and the square rod 9 are sequentially connected, the square pipe 9 can be driven to drive the square pipe 10 to rotate, two sides of the square pipe 10 are rotatably provided with two stirring shafts 11, the outer sides of the stirring shafts 11 are fixedly connected with longitudinal stirring blades 12, one ends of two stirring shafts 11 positioned on the same horizontal line, which are close to each other, extend into a square tube 10 and are fixedly connected with the same first gear 13, the rear sides of the two first gears 13 are meshed with the same rack 14, the top ends of the racks 14 are fixedly connected with the bottom ends of square rods 9, annular plates 15 are sleeved on the top of the outer sides of the square tubes 10 in a rotating mode, guide rods 17 are fixedly connected to the two sides of the annular plates 15, the top ends of the two guide rods 17 extend to the upper side of a cover plate 5 and are fixedly connected with first sliding sleeves 16, the first sliding sleeves 16 are sleeved on a rectangular tube 6 in a sliding mode, reciprocating sliding blocks 19 are sleeved on the reciprocating lead screws 8 in a threaded mode, connecting seats 18 are fixedly connected between the two sides of the reciprocating sliding blocks 19 and the inner walls of the two sides of the first sliding sleeves 16 respectively, and the reciprocating sliding blocks 19 can drive the reciprocating sliding blocks 19 to reciprocate up and down when the reciprocating lead screws 8 rotate by means of the cooperation of the reciprocating sliding blocks 19, the reciprocating slide block 19 which moves up and down is utilized to sequentially drive the guide rod 17, the annular plate 15, the square tube 10 and the stirring shaft 11 to circularly move up and down, so that the effect of circularly lifting up and down can be formed, bidirectional rotation lifting stirring of raw materials is facilitated, and synchronous bidirectional stirring and lifting stirring of the raw materials can be realized;
The linkage type feeding uniform crushing mechanism comprises a first bevel gear 21 fixedly sleeved on the outer side of an output shaft of a driving motor 7, a rectangular feeding pipe 22 is embedded on the right side of the top of a cover plate 5, a feeding hopper is fixedly connected to the top end of the rectangular feeding pipe 22, a circular shaft 23 is rotatably installed between the inner walls of two sides of the rectangular feeding pipe 22, a plurality of broken blades 34 are fixedly connected to the outer side of the circular shaft 23, two ends of the circular shaft 23 extend out of the rectangular feeding pipe 22, the left end of the circular shaft 23 is fixedly connected with a second bevel gear 24 meshed with the first bevel gear 21, two eccentric wheels 30 are fixedly sleeved on the circular shaft 23, the rectangular feeding pipe 22 is positioned between the two eccentric wheels 30, a rectangular inner pipe 25 is sleeved in the rectangular feeding pipe 22 in a sliding manner, a filter screen 27 positioned below the broken blades 34 is fixedly connected to the top end of the rectangular inner pipe 25, two positioning rods 32 are fixedly sleeved on the bottom of the outer side of the rectangular inner pipe 25, two positioning rods 32 are fixedly connected to the front side of the top of the circular shaft 26, four positioning rods 32 are respectively extended to the top of the rectangular feeding pipe 22 and fixedly connected with a second bevel gear 24 meshed with the first bevel gear 21, two eccentric wheels 30 are fixedly connected to the top ends of the circular shaft 23, two spherical rollers 28 are correspondingly connected to the two spherical rollers 28 and are correspondingly arranged on the bottom surfaces of the rectangular feeding pipe 32, two spherical rollers 31 are correspondingly connected to the bottom surfaces of the rectangular feeding pipe 32, and are correspondingly arranged on the bottom surfaces of the rectangular feeding pipe 32, and are correspondingly 31, and are correspondingly connected to the bottom surfaces of the rectangular feeding pipe 32 and are correspondingly arranged on the bottom surface and 31.
In the embodiment, rectangular perforations which are in sliding connection with the outer side of a baffle plate 35 are formed on the inner wall of the right side of a rectangular discharging pipe 4, the front side and the rear side of the baffle plate 35 are respectively in sliding contact with the inner wall of the front side and the inner wall of the rear side of the rectangular discharging pipe 4, a thread groove which is in threaded connection with a screw rod 36 is formed on the right side of the baffle plate 35, a limit groove is formed on the right side of the bottom of a mixing box 2, a limit block which is in sliding connection with the limit groove is fixedly connected on the right side of the top of the baffle plate 35, rectangular through holes 20 are formed on the inner walls of the two sides of a rectangular pipe 6, the inner wall of the front side and the inner wall of the rectangular through holes 20 are respectively in sliding connection with the front side and the rear side of a corresponding connecting seat 18, a reciprocating screw hole which is in threaded connection with a reciprocating screw rod 8 is formed on the top of a reciprocating slide block 19, a penetrating hole which the top is in an opening is formed on the inner wall of the right side of the rectangular pipe 6, a round shaft 23 is positioned in the penetrating hole and is not in contact with the inner wall of the penetrating hole, the inner side of the inner ring of the annular plate 15 is fixedly sleeved with a first bearing, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the square tube 10, the top of the cover plate 5 is provided with a first round hole and two guide holes, the inner side of the inner ring of the second bearing is fixedly sleeved with a second bearing, the inner wall of the guide hole is fixedly connected with the outer side of the square rod 9, the inner side of the guide rod 17 is correspondingly slidably connected, the top of the cover plate 5 is provided with a rectangular hole and four second round holes, the top of the rectangular block 31 is provided with a third round hole, the inner wall of the rectangular hole is fixedly connected with the outer side of the rectangular feeding tube 22, the inner wall of the second round hole and the inner wall of the third round hole are respectively slidably connected with the outer side of the corresponding positioning rod 32, the inner walls of the two sides of the rectangular feeding tube 22 are respectively provided with a fourth round hole, the inner ring of the third bearing is fixedly sleeved with the outer side of the round shaft 23, this embodiment is convenient for the unloading, and the single drive of being convenient for realizes lasting even broken and the bidirectional rotation of raw materials and picks the stirring, can last even screening broken to the raw materials that gets into, can be to the synchronous bidirectional stirring of raw materials with pick the stirring of turning over the material, improves mixing efficiency and homogeneity, satisfies user demand.
The embodiment also provides a using method of the mixing device for preparing the heavy metal contaminated soil composite passivating agent, which comprises the following steps:
S1: starting a driving motor 7, and driving the reciprocating screw rod 8 and the first bevel gear 21 to rotate by an output shaft of the driving motor 7;
s2: the reciprocating screw rod 8 in the S1 drives the square rod 9 to rotate when rotating, the square rod 9 drives the square tube 10 to horizontally rotate, and the square tube 10 drives the four stirring shafts 11 to horizontally rotate;
S3: when the reciprocating screw rod 8 in the S1 rotates, under the action of a reciprocating screw hole formed in the reciprocating slide block 19, the reciprocating slide block 19 can be driven to circularly move up and down, the reciprocating slide block 19 drives the first sliding sleeve 16 to circularly slide up and down on the rectangular pipe 6 through the two connecting seats 18, the first sliding sleeve 16 drives the annular plate 15 to circularly move up and down through the two guide rods 17, the annular plate 15 drives the square pipe 10 to circularly slide up and down on the square rod 9 through the first bearing, the square pipe 10 drives the two stirring shafts 11 and the plurality of longitudinal stirring blades 12 to circularly bounce up and down, the stirring shafts 11 drive the corresponding first gears 13 to circularly move up and down, the first gears 13 circularly rotate positively and negatively when moving on the front side of the racks 14, and the first gears 13 drive the longitudinal stirring blades 12 to longitudinally rotate through the corresponding stirring shafts 11, so that the vertical bouncing of the stirring shafts 11 and the longitudinal rotation of the longitudinal stirring blades 12 are realized;
S4: the first bevel gear 21 in the S1 drives the circular shaft 23 to rotate through the second bevel gear 24, the circular shaft 23 drives the plurality of broken cutters 34 and the two eccentric wheels 30 to rotate, the corresponding balls 29 are collided and extruded upwards when the eccentric wheels 30 rotate for the first half circle, under the collision extrusion force, the balls 29 jump upwards and drive the second sliding sleeve 28 to slide upwards on the rectangular feeding pipe 22, the second sliding sleeve 28 stretches the four springs 33, when the eccentric wheels 30 rotate for the second half circle, the extrusion force on the corresponding balls 29 is gradually relaxed, at the moment, the four springs 33 in the stretched state drive the second sliding sleeve 28 to move downwards, the eccentric wheels 30 can drive the second sliding sleeve 28 to move up and down circularly through the continuous rotation of the eccentric wheels 30, the second sliding sleeve 28 drives the loop bar 26 to move up and down circularly through the four positioning rods 32, and the loop bar 26 drives the filter screen 27 to vibrate up and down circularly through the rectangular inner pipe 25;
S5: pouring raw materials to be mixed into a rectangular feeding pipe 22, at the moment, a plurality of wall breaking cutters 34 in rotation in S4 can crush the raw materials, the crushed falling raw materials are screened by a filter screen 27 vibrating up and down, the crushed qualified raw materials downwards pass through the filter screen 27 to enter a mixing box 2, when the filter screen 27 vibrates, the unqualified bulk raw materials are continuously vibrated upwards to the wall breaking cutters 34 to be continuously crushed, vibration screening is continuously carried out, and the effect of gradually continuously and uniformly crushing is achieved by analogy;
s6: the crushed raw materials in S5 fall into the mixing box 2, at the moment, the stirring shaft 11 which horizontally rotates stirs the raw materials in the horizontal direction, at the moment, the stirring shaft 11 which vertically jumps in S3 circularly lifts the raw materials up and down, at the moment, the longitudinal stirring blades 12 which vertically rotate in S3 synchronously and longitudinally stir the raw materials, the effect of horizontally and longitudinally stirring the raw materials and circularly lifting the raw materials up and down is achieved, and under the mutual cooperation of the two-way stirring and the lifting stirring, the mixing efficiency and uniformity of the passivating agent are improved.
Example two
Referring to fig. 8 to 9, this embodiment differs from the first embodiment in that: the rectangular discharging pipe 4 is further provided with a stirring mechanism, the stirring mechanism comprises a rotating shaft 41 rotatably arranged on the inner wall of the rear side of the rectangular discharging pipe 4, stirring circular pipes 38 are movably contacted between the inner walls of the two sides of the rectangular discharging pipe 4, a plurality of stirring grooves 39 are annularly and equally arranged on the outer sides of the stirring circular pipes 38 at equal intervals, the front sides and the rear sides of the stirring circular pipes are provided with openings, supporting rods 40 are fixedly connected to the inner walls of the top and the bottom of the stirring circular pipes 38, one ends of the two supporting rods 40, which are close to each other, are fixedly connected with the top and the bottom of the rotating shaft 41 respectively, a second motor 42 electrically connected with a storage battery 3 is fixedly arranged on the front side of the rectangular discharging pipe 4, and an output shaft of the second motor 42 is fixedly connected with the front end of the rotating shaft 41 so as to conveniently and uniformly stir the mixed passivating agent.
The embodiment also provides a using method of the mixing device for preparing the heavy metal contaminated soil composite passivating agent, which comprises the following steps:
S1: starting a driving motor 7, and driving the reciprocating screw rod 8 and the first bevel gear 21 to rotate by an output shaft of the driving motor 7;
s2: the reciprocating screw rod 8 in the S1 drives the square rod 9 to rotate when rotating, the square rod 9 drives the square tube 10 to horizontally rotate, and the square tube 10 drives the four stirring shafts 11 to horizontally rotate;
S3: when the reciprocating screw rod 8 in the S1 rotates, under the action of a reciprocating screw hole formed in the reciprocating slide block 19, the reciprocating slide block 19 can be driven to circularly move up and down, the reciprocating slide block 19 drives the first sliding sleeve 16 to circularly slide up and down on the rectangular pipe 6 through the two connecting seats 18, the first sliding sleeve 16 drives the annular plate 15 to circularly move up and down through the two guide rods 17, the annular plate 15 drives the square pipe 10 to circularly slide up and down on the square rod 9 through the first bearing, the square pipe 10 drives the two stirring shafts 11 and the plurality of longitudinal stirring blades 12 to circularly bounce up and down, the stirring shafts 11 drive the corresponding first gears 13 to circularly move up and down, the first gears 13 circularly rotate positively and negatively when moving on the front side of the racks 14, and the first gears 13 drive the longitudinal stirring blades 12 to longitudinally rotate through the corresponding stirring shafts 11, so that the vertical bouncing of the stirring shafts 11 and the longitudinal rotation of the longitudinal stirring blades 12 are realized;
S4: the first bevel gear 21 in the S1 drives the circular shaft 23 to rotate through the second bevel gear 24, the circular shaft 23 drives the plurality of broken cutters 34 and the two eccentric wheels 30 to rotate, the corresponding balls 29 are collided and extruded upwards when the eccentric wheels 30 rotate for the first half circle, under the collision extrusion force, the balls 29 jump upwards and drive the second sliding sleeve 28 to slide upwards on the rectangular feeding pipe 22, the second sliding sleeve 28 stretches the four springs 33, when the eccentric wheels 30 rotate for the second half circle, the extrusion force on the corresponding balls 29 is gradually relaxed, at the moment, the four springs 33 in the stretched state drive the second sliding sleeve 28 to move downwards, the eccentric wheels 30 can drive the second sliding sleeve 28 to move up and down circularly through the continuous rotation of the eccentric wheels 30, the second sliding sleeve 28 drives the loop bar 26 to move up and down circularly through the four positioning rods 32, and the loop bar 26 drives the filter screen 27 to vibrate up and down circularly through the rectangular inner pipe 25;
S5: pouring raw materials to be mixed into a rectangular feeding pipe 22, at the moment, a plurality of wall breaking cutters 34 in rotation in S4 can crush the raw materials, the crushed falling raw materials are screened by a filter screen 27 vibrating up and down, the crushed qualified raw materials downwards pass through the filter screen 27 to enter a mixing box 2, when the filter screen 27 vibrates, the unqualified bulk raw materials are continuously vibrated upwards to the wall breaking cutters 34 to be continuously crushed, vibration screening is continuously carried out, and the effect of gradually continuously and uniformly crushing is achieved by analogy;
S6: the crushed raw materials in S5 fall into the mixing box 2, at the moment, the stirring shaft 11 which horizontally rotates in S2 stirs the raw materials in the horizontal direction, at the moment, the stirring shaft 11 which vertically jumps in S3 circularly lifts the raw materials up and down, at the moment, the longitudinal stirring blades 12 which vertically rotates in S3 synchronously and longitudinally stir the raw materials, the effect of horizontally and longitudinally stirring the raw materials and circularly lifting the raw materials up and down is realized, and under the mutual coordination of the two-way stirring and the lifting the raw materials, the mixing efficiency and uniformity of the passivating agent are improved;
S7: when the passivating agent formed after mixing is moved and stirred, a tractor connecting seat on the U-shaped base 1 is connected with an external traction vehicle, the external traction vehicle drives the U-shaped base 1 and travelling wheels at the bottom of the U-shaped base to move through the tractor connecting seat, a first motor 37 is reversely started to drive a screw rod 36 to rotate, under the action of a threaded hole formed in a baffle plate 35, the screw rod 36 rotates to drive the baffle plate 35 to move rightwards, the blocking of the top of a rectangular discharging pipe 4 is relieved, the passivating agent formed after mixing enters the rectangular discharging pipe 4 downwards at the moment, a second motor 42 is started to drive a rotating shaft 41 to rotate, the rotating shaft 41 drives stirring round pipes 38 to rotate through two supporting rods 40, the stirring round pipes 38 drive a plurality of stirring grooves 39 to rotate, and the plurality of stirring grooves 39 sequentially rotate to uniformly stir down the entering passivating agent, so that the purpose of uniformly stirring and stirring is achieved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The mixing device for preparing the heavy metal contaminated soil composite passivating agent comprises a mixing box (2) with an opening at the top, wherein a cover plate (5) is fixedly connected to the top of the mixing box (2), a feeding circular pipe is embedded in the left side of the top of the cover plate (5), the mixing box is characterized in that supports are fixedly connected to the two sides of the bottom of the mixing box (2), the bottoms of the two supports are fixedly connected with the same U-shaped base (1), a storage battery (3) is fixedly connected to the left side of the top of the U-shaped base (1), a tractor connecting seat is fixedly connected to the right side of the top of the U-shaped base (1), travelling wheels are rotatably arranged at four corners of the bottom of the U-shaped base (1), the inner wall of the bottom of the mixing box (2) is of a conical structure, a driving motor (7) which is electrically connected with the storage battery (3) is arranged above the cover plate (5), an up-down flip-up-down flip type transverse and longitudinal bidirectional mixing mechanism is arranged on the cover plate (5), and the upper and lower bidirectional stirring mechanism is uniformly connected with the driving motor (7), and the upper and lower driving mechanism (7) is fixedly connected with the feeding mechanism (4);
The blanking mechanism comprises a baffle plate (35) movably sleeved in the rectangular discharging pipe (4), the right side of the baffle plate (35) extends out of the rectangular discharging pipe (4), a first motor (37) electrically connected with the storage battery (3) is fixedly arranged on the right side of a support seat positioned on the right side, the left end of an output shaft of the first motor (37) is fixedly connected with a screw rod (36), and the baffle plate (35) is sleeved on the screw rod (36) in a threaded manner;
The vertical and horizontal bidirectional stirring mixing mechanism comprises a rectangular pipe (6) fixedly connected to the top of a mixing box (2), the top end of the rectangular pipe (6) is fixedly connected with the bottom of a driving motor (7), an output shaft of the driving motor (7) extends into the rectangular pipe (6) and is fixedly connected with a reciprocating screw (8), the bottom end of the reciprocating screw (8) is fixedly connected with a square rod (9), the bottom end of the square rod (9) extends into the mixing box (2), square pipes (10) with the bottom end being of a plugging structure are sleeved on the square rod (9) in a sliding manner, two stirring shafts (11) are rotatably arranged on two sides of the square pipe (10), longitudinal stirring blades (12) are fixedly connected to the outer sides of the stirring shafts (11), one ends, which are close to each other, of the two stirring shafts (11) on the same horizontal line extend into a square pipe (10) and are fixedly connected with the same first gear (13), the rear side of the two first gears (13) is meshed with the same square rod (14), the top end of the square pipe of the square rod (9) is fixedly connected with the bottom end of the square rod (9), two sides of the square pipe (10) are rotatably provided with two stirring shafts (11), one end of the two stirring shafts (11) are fixedly connected with a guide plate (17) on the two annular slide sleeve (17), two annular guide plates (17) are fixedly connected with one side of the annular slide sleeve (17), the first sliding sleeve (16) is sleeved on the rectangular pipe (6) in a sliding manner, a reciprocating sliding block (19) is sleeved on the reciprocating screw rod (8) in a threaded manner, and a connecting seat (18) is fixedly connected between two sides of the reciprocating sliding block (19) and inner walls of two sides of the first sliding sleeve (16) respectively;
the linkage type feeding uniform crushing mechanism comprises a first bevel gear (21) fixedly sleeved on the outer side of an output shaft of a driving motor (7), a rectangular feeding pipe (22) is embedded on the right side of the top of a cover plate (5), a feeding hopper is fixedly connected to the top of the rectangular feeding pipe (22), a round shaft (23) is rotatably installed between the inner walls of two sides of the rectangular feeding pipe (22), a plurality of broken blades (34) are fixedly connected to the outer side of the round shaft (23), two ends of the round shaft (23) extend out of the rectangular feeding pipe (22), a second bevel gear (24) meshed with the first bevel gear (21) is fixedly connected to the left end of the round shaft (23), two eccentric wheels (30) are fixedly sleeved on the round shaft (23), the rectangular feeding pipe (22) is located between the two eccentric wheels (30), a rectangular inner pipe (25) is slidably sleeved in the rectangular feeding pipe (22), a round rod (27) is fixedly connected to the top of the rectangular inner pipe (25), a return rod (26) is fixedly sleeved on the outer bottom of the rectangular inner pipe (25) and located below the broken blades (34), a return rod (26) is fixedly connected to the top of the rectangular feeding pipe (22) and is fixedly connected to the top of the two front end of the rectangular feeding pipe (32), the second sliding sleeve (28) is arranged on the rectangular feeding pipe (22) in a sliding sleeved mode, balls (29) are nested on two sides of the bottom of the second sliding sleeve (28), the eccentric wheel (30) is located below the corresponding balls (29) and matched with the balls (29), two rectangular blocks (31) are fixedly connected to the front side and the rear side of the rectangular feeding pipe (22), the rectangular blocks (31) are arranged on corresponding positioning rods (32) in a sliding sleeved mode, springs (33) are fixedly connected between the tops of the rectangular blocks (31) and the bottoms of the second sliding sleeve (28), and the springs (33) are movably sleeved on the corresponding positioning rods (32).
2. The mixing device for preparing the heavy metal contaminated soil composite passivating agent according to claim 1, wherein rectangular perforations which are in sliding connection with the outer side of a baffle plate (35) are formed in the right side inner wall of the rectangular discharging pipe (4), the front side and the rear side of the baffle plate (35) are respectively in sliding contact with the front side inner wall and the rear side inner wall of the rectangular discharging pipe (4), a thread groove which is in threaded connection with a screw (36) is formed in the right side of the baffle plate (35), a limit groove is formed in the right side of the bottom of the mixing box (2), and a limit block which is in sliding connection with the limit groove is fixedly connected to the right side of the top of the baffle plate (35).
3. The mixing device for preparing the heavy metal contaminated soil composite passivating agent according to claim 1, wherein rectangular through holes (20) are formed in inner walls of two sides of the rectangular pipe (6), the front side inner wall and the rear side inner wall of the rectangular through holes (20) are respectively in sliding connection with the front side and the rear side of the corresponding connecting seat (18), a reciprocating screw hole in threaded connection with the reciprocating screw rod (8) is formed in the top of the reciprocating sliding block (19), an penetrating hole with the top being an opening is formed in the inner wall of the right side of the rectangular pipe (6), and the round shaft (23) is located in the penetrating hole and is not in contact with the inner wall of the penetrating hole.
4. The mixing device for preparing the heavy metal contaminated soil composite passivating agent according to claim 1, wherein a first bearing is fixedly sleeved in the annular plate (15), the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the square tube (10), a first round hole and two guide holes are formed in the top of the cover plate (5), a second bearing is fixedly sleeved in the first round hole, the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the square rod (9), and the inner wall of the guide hole is in sliding connection with the outer side of the corresponding guide rod (17).
5. The mixing device for preparing the heavy metal contaminated soil composite passivating agent according to claim 1, wherein a rectangular hole and four second round holes are formed in the top of the cover plate (5), a third round hole is formed in the top of the rectangular block (31), the inner wall of the rectangular hole is fixedly connected with the outer side of the rectangular feeding pipe (22), and the inner wall of the second round hole and the inner wall of the third round hole are both in sliding connection with the outer side of the corresponding positioning rod (32).
6. The mixing device for preparing the heavy metal contaminated soil composite passivating agent according to claim 1, wherein the inner walls of two sides of the rectangular feeding pipe (22) are provided with fourth round holes, a third bearing is fixedly sleeved in the fourth round holes, and an inner ring of the third bearing is fixedly sleeved with the outer side of the round shaft (23).
7. The mixing device for preparing the heavy metal contaminated soil composite passivating agent according to claim 1, wherein the rectangular discharging pipe (4) is further provided with a stirring mechanism, the stirring mechanism comprises a rotating shaft (41) rotatably installed on the inner wall of the rear side of the rectangular discharging pipe (4), stirring circular pipes (38) are movably contacted between the inner walls of the two sides of the rectangular discharging pipe (4), a plurality of stirring grooves (39) which are arranged in an opening mode on the front side and the rear side of each stirring circular pipe (38) are formed in an annular mode at equal intervals, supporting rods (40) are fixedly connected to the inner wall of the top and the inner wall of the bottom of each stirring circular pipe (38), one ends, close to each other, of the two supporting rods (40) are fixedly connected with the top and the bottom of the rotating shaft (41), a second motor (42) which is electrically connected with a storage battery (3) is fixedly installed on the front side of the rectangular discharging pipe (4), and an output shaft of the second motor (42) is fixedly connected with the front end of the rotating shaft (41).
8. The method for using the mixing device for preparing the heavy metal contaminated soil composite passivating agent according to any one of claims 1-7, which is characterized by comprising the following steps:
S1: starting a driving motor (7) to drive the reciprocating screw rod (8) and the first bevel gear (21) to rotate;
S2: when the reciprocating screw rod (8) in the S1 rotates, the four stirring shafts (11) are driven to horizontally rotate by the square rod (9) and the square tube (10) in sequence,
S3: the reciprocating screw rod (8) in the S1 can drive the reciprocating slide block (19) to circularly move up and down when rotating, the reciprocating slide block (19) drives the stirring shaft (11) and the longitudinal stirring blade (12) to circularly jump up and down sequentially through the connecting seat (18), the first sliding sleeve (16), the guide rod (17) and the annular plate (15), the stirring shaft (11) drives the corresponding first gear (13) to simultaneously rotate when moving at the front side of the rack (14), and the first gear (13) drives the longitudinal stirring blade (12) to longitudinally rotate through the corresponding stirring shaft (11);
S4: the first bevel gear (21) in the S1 drives the wall breaking cutter (34) and the eccentric wheel (30) to rotate sequentially through the second bevel gear (24) and the circular shaft (23), the second sliding sleeve (28) can be driven to circularly move up and down by matching with the spring (33) when the eccentric wheel (30) rotates, and the second sliding sleeve (28) drives the filter screen (27) to circularly vibrate up and down sequentially through the four positioning rods (32), the return rod (26) and the rectangular inner tube (25);
S5: pouring raw materials to be mixed into a rectangular feeding pipe (22), wherein a plurality of wall breaking cutters (34) in rotation in the step S4 can crush the raw materials, the crushed falling raw materials are screened by a filter screen (27) vibrating up and down, and the filter screen (27) continuously shakes up the unqualified large raw materials to the wall breaking cutters (34) to be crushed when vibrating, so that gradual continuous and uniform crushing is realized;
S6: the crushed raw materials in the step S5 fall into a mixing box (2), and at the moment, the stirring shaft (11) rotating horizontally in the step S2, the stirring shaft (11) jumping up and down in the step S3 and the longitudinal stirring blades (12) rotating longitudinally synchronously stir the raw materials in two directions and circularly, and the raw materials are stirred up and down in a lifting way to be uniformly and quickly mixed;
S7: when the passivating agent formed after mixing is moved and stirred, a tractor connecting seat on the U-shaped base (1) is connected with an external traction vehicle, the external traction vehicle is driven, a first motor (37) is reversely started to drive a screw rod (36) to rotate, the screw rod (36) rotates to drive a baffle plate (35) to move rightwards and remove blocking, the passivating agent formed after mixing enters a rectangular discharging pipe (4) downwards, a second motor (42) is started to drive a rotating shaft (41) to rotate, the rotating shaft (41) drives a stirring circular pipe (38) to rotate through two supporting rods (40), and the stirring circular pipe (38) drives a plurality of stirring grooves (39) to stir the entering passivating agent downwards evenly in sequence.
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| CN115228416A (en) * | 2022-07-22 | 2022-10-25 | 陈静 | Preparation method and preparation system of polycarboxylate superplasticizer |
| CN115337827B (en) * | 2022-08-16 | 2024-01-16 | 浙江吉瑞通新材料有限公司 | Raw material mixing and forming device for preparing molecular sieve and application method |
| CN115837237A (en) * | 2023-02-27 | 2023-03-24 | 杭州千岛湖啤酒有限公司 | A raw materials mixing equipment for malt beer production |
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