CN207888902U - Intermittent mixing apparatus of powdery row material - Google Patents

Intermittent mixing apparatus of powdery row material Download PDF

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Publication number
CN207888902U
CN207888902U CN201721782180.9U CN201721782180U CN207888902U CN 207888902 U CN207888902 U CN 207888902U CN 201721782180 U CN201721782180 U CN 201721782180U CN 207888902 U CN207888902 U CN 207888902U
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China
Prior art keywords
auger
powder
mixing bowl
row material
mixing apparatus
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CN201721782180.9U
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Chinese (zh)
Inventor
刘建民
赵文志
张志远
韩先瑞
李春明
张宝虎
米国宾
张辰宇
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TIANJIN HIGHWAY ENGINEERING GENERAL Co Ltd
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TIANJIN HIGHWAY ENGINEERING GENERAL Co Ltd
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Abstract

The utility model discloses a kind of intermittent mixing apparatus of powdery row material, including, storage tank to store powder and be provided with high-low-position level-sensing device, while being provided with dust removal by filtration mechanism at top;Powder conveying mechanism, including feed inlet, the auger in storing pot bottom is set, the weighing tank being correspondingly arranged with the discharge port of the auger, rabbling mechanism, including a mixing bowl and agitating paddle therein is set, the top of the cross section of a mixing bowl be it is rectangular, lower part is semicircle, the weighing tank be arranged above a mixing bowl and it is controlled by the powder weighed inject a mixing bowl.The utility model using two groups of powders adds mechanisms, it can be achieved that the powder supply of one or two kinds of or even a variety of powders realizes being quantitatively adding for powder using the cooperation of auger and weighing tank, it can be achieved that the powder of predetermined component predetermined weight weighs addition.

Description

Intermittent mixing apparatus of powdery row material
Technical field
The utility model is related to road and bridge construction machinery, fast construction technical field of construction, more particularly to a kind of intermittent Mixing apparatus of powdery row material.
Background technology
Bumping at bridge-head is made due to relative settlement or the expansion joint destruction at highway end of the bridge and expansion joint (bridge approach) Road surface longitudinal slope occur step cause vehicle by when generate jump the phenomenon that, principle is that road surface difference occurs at back filling behind abutment The sedimentation fracture (sedimentation value is generally 10~30cm, and some is even more than 60cm) of degree, make vehicle by when generate jump and Impact makes driver and passenger feel discomfort of jolting, or even cause vehicle to cause additional impact load to bridges and culverts and road surface Significantly slow down, it is serious to lead to traffic accident (especially vehicle mechanical accident).Therefore, problem of bumping at bridge-head has become height The construction quality of standard highway and the important factor in order of cost.Problem of bumping at bridge-head is always to perplex municipal administration engineering technology One of problem of personnel.It solves the problems, such as bumping at bridge-head, is the vital task of Municipal Infrastructure Management department
The main reason for causing bumping at bridge-head have differential settlement, rigidity mutation and speed and vehicle itself resistance to shock Deng.For urban road road conditions, differential settlement, production occur for the junction mainly between flexible pavement and rigid structure Caused by raw faulting of slab ends.Bridge and roadbed, the composition material on road surface, rigidity, intensity, swell-shrink characteristic etc. have differences, and end of the bridge junction Concentrated stress is easily formed when stress.Under vehicular load, dead load, effect of natural environment, it is heavy that bridge occurs simultaneously with road Drop, but the settling amount of the two has very big difference, the settling amount of road to be much larger than the settling amount of bridge, forms faulting of slab ends, causes to drive a vehicle Shi Fasheng bumping at bridge-head.
CN105000845 disclose it is a kind of applied to Abutment Back backfill lightweight foam soil, including cement, mixing material, Water, conditioning agent, foaming agent, foaming agent, waterproofing agent;Additionally provide a kind of preparation of the lightweight foam soil applied to Abutment Back backfill By plunger pump and air compressor machine foam is made in foaming agent by method, material is mixed by blender, frequency converter control System takes out the speed of slurry, to control the unit weight of final finished;Additionally provide a kind of lightweight foam soil applied to Abutment Back backfill Component on site construction method, the utility model light foam penus light material is small to foundation load after filling, is greatly reduced at ground Intensity is managed, the basement process duration is saved.After lightweight foam soil cast before initial set, there is good mobility, fill self-compaction, it can Conventional fillers are avoided to fill not full defect, application property is strong, the phenomenon that capable of effectively solving bumping at bridge-head.
But the existing autochthonal forming apparatus of foam is complicated, especially when powder mixes, causes bulky, stirs It is bad to mix time long effect difference etc..
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and it is mixed to provide a kind of intermittent powder It attaches together and sets.
Technical solution is used by realize the purpose of this utility model:
A kind of intermittent mixing apparatus of powdery row material, including,
Storage tank to store powder and be provided with high-low-position level-sensing device, while being provided at top and filtering out Dirt mechanism;
Powder adds mechanism, including the auger in storing pot bottom, the discharge port pair with the auger is arranged in feed inlet The weighing tank that should be arranged,
Rabbling mechanism, including a mixing bowl and setting agitating paddle therein, the top of the cross section of a mixing bowl is side Shape, lower part are semicircle, the weighing tank be arranged above a mixing bowl and it is controlled by the powder weighed inject a mixing bowl.
It is fixed on vehicle frame.
The storage tank is multiple, and the auger includes the first auger being arranged in multiple stirring pot bottoms, import The second auger that outlet with first auger is correspondingly arranged, first auger are provided with the multiple and described stirring The corresponding feed inlet of tank, second auger are vertically arranged so that powder is promoted to storage tank, and first auger goes out The import of mouth and the second auger has closed feed bin excessively.
Second auger includes feed cylinder, is centrally positioned in feed cylinder and is passed through in belt transmission by motor Cylinder, the inside spin paddle being arranged in the inner cylinder, and the external spiral paddle that is arranged between inner cylinder and feed cylinder.
The inner cylinder passes through belt transmission by motor.
The top vertex of a mixing bowl is provided with axially extending water distributor, and water outlet direction is provided on the water distributor Towards the trepanning of a mixing bowl side wall.
The dust removal by filtration mechanism includes outer barrel, and the interior support plate in outer barrel inner top is arranged, is fixed at interior support plate The filter cloth bag of lower part, and the pneumatically or electrically percussion mechanism that is arranged above interior support plate.
It is additionally provided with the primary filtration network of 40-60 mesh in the outer barrel bottom.
Compared with prior art, the utility model has the beneficial effects that:
Semi-trailer frame etc. can be used in the vehicle frame of the utility model, and whole device is arranged on vehicle frame, is substantially increased Its mobility, it is only necessary to which simple water route connection can come into operation, and reduce the operation cost of early period and later stage, added using two groups of powders Add mechanism, it can be achieved that the powder of one or two kinds of or even a variety of powders supplies, using the cooperation of auger and weighing tank, it can be achieved that pre- The powder for determining component predetermined weight weighs addition, realizes that being quantitatively adding for powder, rabbling mechanism use the structure of square top and round bottom, subtract The accumulation of few a mixing bowl bottoms material.
Description of the drawings
Fig. 1 show the side structure schematic view of the intermittent mixing apparatus of powdery row material of the utility model;
Fig. 2 show vertical view shown in FIG. 1;
Fig. 3 show side view shown in FIG. 1;
Fig. 4 show the second auger structural schematic diagram;
Fig. 5 show rabbling mechanism structural schematic diagram.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
As shown, a kind of intermittent mixing apparatus of powdery row material of the utility model, including,
Pedestal 1, such as vehicle frame, including vehicle frame,
It is fixed at the two groups of powders addition mechanism on vehicle frame and being set up in parallel, every group of powder addition mechanism includes The auger in storing pot bottom is arranged at least one storage tank 2, feed inlet, and is correspondingly arranged with the discharge port of the auger Weighing tank 3;The holder that the weighing tank includes weighing tank body, is fixedly connected with vehicle frame, weighing tank body setting Pressure sensor is set on the holder and therebetween to realize the measurement of content weight.
Rabbling mechanism 4, including correspond to be fixed on vehicle frame and be arranged a mixing bowl 41 below weighing tank and be arranged and exist The top of agitating paddle 42 in a mixing bowl, the cross section of a mixing bowl is rectangular, and lower part is semicircle, and preferably two side by side The semicircle of tangent setting, the agitating paddle are two groups and are arranged in correspondence with the circle centre position in semicircle;
Semi-trailer frame etc. can be used in the vehicle frame of the utility model, and whole device is arranged on vehicle frame, is substantially increased Its mobility, it is only necessary to which simple water route connection can come into operation, and reduce the operation cost of early period and later stage, added using two groups of powders Add mechanism, it can be achieved that the powder of one or two kinds of or even a variety of powders supplies, using the cooperation of auger and weighing tank, it can be achieved that pre- The powder for determining component predetermined weight weighs addition, realizes that being quantitatively adding for powder, rabbling mechanism use the structure of square top and round bottom, subtract The accumulation of few a mixing bowl bottoms material.
Further, further include axially extending setting with the conveying water pipe 45 and two for being connected to water source and a mixing bowl Both sides and it is formed with the water distributor 43 of trepanning thereon at the top of a mixing bowl;The trepanning is strip and water outlet direction direction is stirred Cylinder side wall is mixed so that water is flowed down along wall;Rabbling mechanism uses the structure of square top and round bottom, reduces the accumulation of a mixing bowl bottoms material, water Both sides are added and are sprayed directly on on inner wall at the top of from a mixing bowl, drive powder to go infiltration type to contact with water using paddle, reduce Water directly falls in caused powder lumping on powder, realizes that two groups of agitating paddles realize final slurry to the stirring of powder and mixing It prepares.
Further, the agitating paddle includes agitating shaft and the center being fixedly connected respectively with agitating shaft stirring The direction of propulsion of leaf and peripheral paddle, the center paddle and peripheral paddle on the contrary, two groups of agitating paddles stirring side To identical.Two agitating paddle parallel intervals are arranged and are separately positioned in semicircular section, and every group of agitating paddle pushes away in an axial direction Realization is sent to mix, material interacts between two groups of agitating paddles, realizes final whole mixing.
Using two groups of agitating paddles and in the axial direction setting actively pushes and pulls material function, and material is multi-direction puddles for completion, especially It is when being mixed using two kinds of materials, when being mixed such as flyash and cement, using flyash to the cement after mixing water into The broken group of row, reduces small group, improves final product quality.
Wherein, the storage tank is multiple, such as 3, and the auger includes being arranged the of multiple stirring pot bottoms The second auger 7 that the outlet of one auger 6, import and first auger is correspondingly arranged, first auger is provided with more A feed inlet corresponding with the described agitator tank, second auger is vertically arranged so that powder is promoted to storage tank, described The first auger outlet and the import of the second auger have it is closed cross feed bin 72 can be real by the cooperation of auger and agitator tank An existing intermittent powder to a variety of categories of auger carries out conveying weighing, simplifies overall structure, utilized feed bin by two Auger connects, and two augers match work, it can be achieved that granular material long distance delivery and promotion.Wherein, second auger It including feed cylinder 71, is centrally positioned in feed cylinder and the inner cylinder 73 by motor by belt transmission, is arranged in the inner cylinder Interior inside spin paddle 74, and the external spiral paddle 75 that is arranged between inner cylinder and feed cylinder, set at the top of the feed cylinder It is equipped with drainage conduit 76, using two groups of promotions, inside and outside two material lifting channels are effectively realized while ensureing to promote speed A large amount of pumps fortune, improve yield, and the second auger is driven using belt, be avoided that load excessive causes when startup is restarted Burn.Meanwhile being designed using the two-stage auger being in series, material is transmitted in closed conduct, is reduced environmental pollution.
As another specific embodiment, which can also be used the design of single-screw paddle, under the embodiment, stand Formula cement transportation device design concept is big ω speed, and rubbing angle and super material stop angle between super material blade, rubbing angle Refer to helicoid and the axial angle of screw rod, angle of stopping is the characteristic that material is formed with blade screw angle, the spiral shell of blade After swing angle degree (slanted angle of helical blade and screw shaft) determines, because of material own characteristic, which also determines, should Much bigger than national design standard of angle, the general angle for increasing angle and reduction 10% or so, and the utility model increases It has been more than 50% in 30-50% or even increased angle, has reached one times, design helical pitch is than national big by 1/3, high 3 times nearly four times of speed Ultrahigh rotating speed, national desin speed 35-90r/m we in 380r/m, as specific embodiment, it is per minute to complete yield position 1 cube, caliber 425mm in feed cylinder, rubbing angle is 15-16 ° between material blade, such as 15.4 °;Inner diameter of steel flue 133mm, spiral Blade diameter 405mm, height 3.5m, lead of screw 350mm.
Preferably, further include the dust removal by filtration being removably disposed at the top of storage tank, weighing tank and a mixing bowl Mechanism 8, the dust removal by filtration mechanism includes outer barrel, and the interior support plate in outer barrel inner top is arranged, is fixed under interior support plate The filter cloth bag in portion, and the pneumatically or electrically percussion mechanism that is arranged above interior support plate, also set up in the outer barrel bottom There are primary filtration network, 40-60 mesh.Using filter mechanism, it can be achieved that the supplement to powder in storage tank and supply, are reduced to outer space Gas pollutes, and uses detachable structure, whole height is reduced, convenient for passing through bridge when highway transportation.
The utility model further simultaneously discloses a kind of foamed cement processing method, includes the following steps,
1) start material addition mechanism and the corresponding powder for storing set amount in the weighing tank,
2) by the first powder, such as cement, a mixing bowl is added and stirs;
3) the second powder is finished as flyash is added in a mixing bowl up to whole powders add after the stirring predetermined time, That is, can be by the cooperation of the first flood dragon and corresponding storage tank, it can be achieved that being quantitatively adding successively for a variety of powders, i.e., first carry out siccative Puddle,
4) conveying water pipe is added in auxiliary agent by auxiliary agent addition mechanism;
5) start water addition mechanism and foaming agent addition mechanism so that a mixing bowl is added in the water of predetermined amount and foaming agent and is stirred It mixes, wherein first add water, remaining water and foaming agent are added again after adding powder water stirring to be slurried;It certainly, also can be by water All after addition and after stirring and being slurried, foaming agent is then added again, foaming agent is from the direct Large Diameter Pipeline in a mixing bowl top center Injection, it is less because foam rupture caused by transmission, improves end product quality.
6) slurry is discharged from stirring rod bottom or side bottom after stirring evenly.
The foamed cement processing method of the utility model, control is simple, and powder is quantitatively adding successively, and advanced dry mash is mixed It closes, then mixed powder stirring is dipped into infiltration type and is contacted with water, complete to add foaming agent after powder is slurried, reduce foaming Mixing time avoids foam from rupturing, and improves integral product quality.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims (8)

1. a kind of intermittent mixing apparatus of powdery row material, which is characterized in that including,
Storage tank to store powder and be provided with high-low-position level-sensing device, while being provided with machine for dust removal by filtration at top Structure;
Powder adds mechanism, including the auger in storing pot bottom is arranged in feed inlet, corresponding with the discharge port of the auger to set The weighing tank set,
Rabbling mechanism, including a mixing bowl and agitating paddle therein is set, the top of the cross section of a mixing bowl be it is rectangular, under Portion is semicircle, the weighing tank be arranged above a mixing bowl and it is controlled by the powder weighed inject a mixing bowl.
2. intermittent mixing apparatus of powdery row material as described in claim 1, which is characterized in that it is fixed on vehicle frame.
3. intermittent mixing apparatus of powdery row material as described in claim 1, which is characterized in that the storage tank be it is multiple, it is described Auger include the first augers being arranged in multiple stirring pot bottoms, what the outlet of import and first auger was correspondingly arranged Second auger, first auger are provided with multiple feed inlets corresponding with the described agitator tank, and second auger is perpendicular Powder is promoted to storage tank, there are closed punishment in advance in the outlet and the import of the second auger of first auger for straight setting Storehouse.
4. intermittent mixing apparatus of powdery row material as claimed in claim 3, which is characterized in that second auger includes feeding Cylinder, is centrally positioned in feed cylinder and the inner cylinder by motor by belt transmission, the inside spin being arranged in the inner cylinder are starched Leaf, and the external spiral paddle that is arranged between inner cylinder and feed cylinder.
5. intermittent mixing apparatus of powdery row material as claimed in claim 4, which is characterized in that the inner cylinder passes through belt by motor Transmission.
6. intermittent mixing apparatus of powdery row material as described in claim 1, which is characterized in that the top vertex of a mixing bowl It is provided with axially extending water distributor, water outlet trepanning of the direction towards a mixing bowl side wall is provided on the water distributor.
7. intermittent mixing apparatus of powdery row material as described in claim 1, which is characterized in that the dust removal by filtration mechanism includes outer Cylinder, is arranged the interior support plate in outer barrel inner top, is fixed at the filter cloth bag of interior support plate lower part, and be arranged on interior support plate The pneumatically or electrically percussion mechanism of side.
8. intermittent mixing apparatus of powdery row material as claimed in claim 7, which is characterized in that be additionally provided in the outer barrel bottom The primary filtration network of 40-60 mesh.
CN201721782180.9U 2017-12-19 2017-12-19 Intermittent mixing apparatus of powdery row material Active CN207888902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721782180.9U CN207888902U (en) 2017-12-19 2017-12-19 Intermittent mixing apparatus of powdery row material

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Application Number Priority Date Filing Date Title
CN201721782180.9U CN207888902U (en) 2017-12-19 2017-12-19 Intermittent mixing apparatus of powdery row material

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Publication Number Publication Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109910177A (en) * 2019-03-06 2019-06-21 中交一航局第四工程有限公司 A kind of cement slurry process equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109910177A (en) * 2019-03-06 2019-06-21 中交一航局第四工程有限公司 A kind of cement slurry process equipment

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