CN105881739B - A kind of Multi-stage stirring formula concrete central mix plant - Google Patents

A kind of Multi-stage stirring formula concrete central mix plant Download PDF

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Publication number
CN105881739B
CN105881739B CN201610452064.4A CN201610452064A CN105881739B CN 105881739 B CN105881739 B CN 105881739B CN 201610452064 A CN201610452064 A CN 201610452064A CN 105881739 B CN105881739 B CN 105881739B
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CN
China
Prior art keywords
level
rubble
belt conveyer
agitator tank
cement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610452064.4A
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Chinese (zh)
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CN105881739A (en
Inventor
陈斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui sunshine India Cements Limited
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Anhui Sunshine India Cements Ltd
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Filing date
Publication date
Application filed by Anhui Sunshine India Cements Ltd filed Critical Anhui Sunshine India Cements Ltd
Priority to CN201711159946.2A priority Critical patent/CN108115833B/en
Priority to CN201610452064.4A priority patent/CN105881739B/en
Publication of CN105881739A publication Critical patent/CN105881739A/en
Application granted granted Critical
Publication of CN105881739B publication Critical patent/CN105881739B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/0806Details; Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/48Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/0422Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
    • B28C7/0431Weighing predetermined amounts of ingredients, e.g. for consecutive delivery using a weighing belt or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/06Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/12Supplying or proportioning liquid ingredients
    • B28C7/126Supply means, e.g. nozzles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a kind of Multi-stage stirring formula concrete central mix plant, including siccative feeding device, Multi-stage stirring device and control device, siccative feeding device is located at the top of Multi-stage stirring device, and siccative feeding device, Multi-stage stirring device electrically connect with control device;Wherein, siccative feeding device includes cement transportation line, sand material pipeline and rubble pipeline, and cement, sand material and rubble enter belt conveyer after the pneumatic conveying of siccative feeding device, and are transported to Multi-stage stirring device by belt conveyer.The present invention is stirred using two sets of agitator tanks setting up and down to concrete, is sufficiently stirred by the concrete stirred twice, and each composition is sufficiently mixed, improve the mobility of concrete, the defects of concrete delivery service is easy to caking shaping is avoided, its is simple in construction, easily operated.

Description

A kind of Multi-stage stirring formula concrete central mix plant
Technical field:
The present invention relates to technical field of concrete production, and in particular to a kind of Multi-stage stirring formula concrete central mix plant.
Background technology:
Concrete is one of the present age most important civil engineering material, and it is by certain ratio by cementing material, aggregate and water Example is prepared, through stirring shaping of vibrating, the artificial stone conserved under certain condition.Concrete stirring system is commonly used in construction Equipment, the aggregates such as cement, rubble, sand and other admixtures, additive and water are mixed and stirred for by it by a certain percentage, into It is concrete component to be poured out again after concrete mortar, after the shaping and drying that vibrates.
Under normal circumstances, there was only a mixing drum on mixer, an independent stir chamber be also only provided with mixing drum, The preparation for completing slurry or concrete that can only be single, function is single, and practicality is not good enough, can not meet modern architecture work The needs of journey, and concrete is merely through a whipping process, it is understood that there may be insufficient situation is stirred, easily produces caking, stream The defects of dynamic property difference.
The content of the invention:
The purpose of the present invention is aiming at the deficiencies in the prior art, there is provided a kind of Multi-stage stirring formula concrete central mix plant.
To achieve the above object, technology solution of the invention is as follows:
A kind of Multi-stage stirring formula concrete central mix plant, including siccative feeding device, Multi-stage stirring device and control dress Put, siccative feeding device is located at the top of Multi-stage stirring device, and siccative feeding device, Multi-stage stirring device are electric with control device Connection;Wherein, siccative feeding device includes cement transportation line, sand material pipeline and rubble pipeline, cement, sand material and broken Stone enters belt conveyer after the pneumatic conveying of siccative feeding device, and is transported to Multi-stage stirring device by belt conveyer; Multi-stage stirring device is two-stage agitating device, including one-level agitator tank and two level agitator tank, and one-level agitator tank is located at two level stirring The surface of tank, one-level agitator tank top are provided with taper loading hopper by one-level adpting flange, taper loading hopper with it is defeated Send the end of belt feeder just corresponding, be provided with dust cover outside taper loading hopper, dust cover to the tail end of belt conveyer and Taper loading hopper cover dust-proof, and taper loading hopper interior welds are magnetic screen cloth, and taper loading hopper stirs with one-level Mix tank junction and be provided with the first changeover valve, the electronic beater mechanism of one-level is provided with outside one-level agitator tank, and set inside it It is equipped with one-level spiral agitator and one-level ultrasonic stirrer;The second rotation is provided between one-level agitator tank, two level agitator tank Valve, second-stage electric beater mechanism is provided with outside two level agitator tank, and it is internally provided with deuterostrophies agitator and two Level ultrasonic stirrer;The bottom of two level agitator tank is provided with concrete outlet, and spiral discharging device, spiral shell are provided with concrete outlet Screw out glassware to be driven by the motor being fixed in mounting seat, motor is connected by connecting electric wire with control device;Spiral discharging device Discharging rod including helical axis and on helical axis, spiral discharging device connect with transfer pipeline.
Multi-stage stirring device also includes water supply component, and water supply component includes the water pump being fixed in mounting seat, and water pump has The water supply conduit extended straight up, water supply conduit are connected with one-level agitator tank, two level agitator tank, set in water supply conduit respectively There are first pressure table, second pressure gauge, first pressure table is corresponding with one-level agitator tank, second pressure gauge and two level agitator tank pair Should;Water pump side is also connected with water tank by water storage pipeline, is provided with inlet valve on water storage pipeline, and water tank also has the One outlet pipeline and the second outlet pipeline, the first outlet pipeline connect with one-level agitator tank, and the second outlet pipeline stirs with two level Tank connects, and is provided with the second flowing water Valve on the second outlet pipeline, the first flowing water Valve is provided with the first outlet pipeline.
Cement transportation line, sand material pipeline and rubble pipeline be respectively connecting to the first buffering chamber, the second buffering chamber with And the 3rd buffering chamber, the first buffering chamber, the second buffering chamber and the 3rd buffering chamber lower part outlet are provided with Electromagnetic Control valve, often Individual Electromagnetic Control valve bottom is provided with a belt conveyer scale, and Electromagnetic Control valve, belt conveyer scale electrically connect with control device, control The weighing data of device record belt conveyer scale processed simultaneously carries out cumulative calculation, and three belt conveyer scales store gravimetric value set in advance, and right Falling material is weighed, once the weight of material of belt conveyer scale total weight reaches the gravimetric value pre-set, control device control Make corresponding Electromagnetic Control valve to close, stop the supply of corresponding material;The bottom of three belt conveyer scales is additionally provided with receiver Material is delivered to Multi-stage stirring device by the belt conveyer of material, belt conveyer.
Cement transportation line includes cement and accepts hopper, and cement accepts hopper and is used to accept the cement that transport vehicle ships, cement The bottom for accepting hopper is provided with the first inclined belt conveyer, and the first inclined belt conveyer stores cement transportation to cement Storehouse, cement storage silo top are provided with cement screen pack, and the bottom of cement storage silo is provided with cement air conveying line, cement The first crusing robot is additionally provided with air conveying line.
Sand material pipeline includes sand material and accepts hopper, and sand material accepts hopper and is used to accept the sand material that transport vehicle ships, sand material The bottom for accepting hopper is provided with the second inclined belt conveyer, and sand material is delivered to sand material and stored by the second inclined belt conveyer Storehouse, sand material storage silo top are provided with sand material screen pack, and the bottom of sand material storage silo is provided with sand material air conveying line, sand material The second crusing robot is additionally provided with air conveying line.
Rubble pipeline includes rubble and accepts hopper, and rubble accepts hopper and is used to accept the rubble that transport vehicle ships, rubble The bottom for accepting hopper is provided with the 3rd inclined belt conveyer, and rubble is delivered to rubble and stored by the 3rd inclined belt conveyer Storehouse, rubble storage silo top are provided with rubble screen pack, and the bottom of rubble storage silo is provided with rubble air conveying line, rubble The 3rd crusing robot is additionally provided with air conveying line.
First changeover valve and the second rotary valve structure are identical, and including rotary shaft, axle sleeve is socketed with outside rotary shaft, Rotary shaft bottom is connected with swingle, and swingle end is fixed with the output shaft company of valve plates, rotary shaft upper end and motor Connect, pulling handle is further fixed in rotary shaft.
First buffering chamber, the second buffering chamber and the 3rd buffering chamber are provided with high-order level-sensing device and low level level-sensing device, High-order level-sensing device and low level level-sensing device electrically connects with control device.
The beneficial effects of the present invention are:The present invention is stirred using two sets of agitator tanks setting up and down to concrete, It is sufficiently stirred by the concrete stirred twice, each composition is sufficiently mixed, and is improved the mobility of concrete, is avoided mixed The defects of native course of conveying is easy to caking shaping is coagulated, its is simple in construction, easily operated.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of siccative feed device;
Fig. 3 is the structural representation of the first changeover valve.
Embodiment:
In order that the above objects, features and advantages of the present invention can be more obvious understandable, below in conjunction with the accompanying drawings to this hair Bright embodiment is described in detail.
As shown in Figure 1-2, Multi-stage stirring formula concrete central mix plant include siccative feeding device 4, Multi-stage stirring device with And control device, siccative feeding device 4 are located at the top of Multi-stage stirring device, siccative feeding device 4, Multi-stage stirring device with Control device electrically connects;Wherein, siccative feeding device 4 includes cement transportation line 41, sand material pipeline 42 and rubble pipeline 43, cement, sand material and rubble enter belt conveyer 419 after the pneumatic conveying of siccative feeding device 4, and by belt conveyor Machine 419 is transported to Multi-stage stirring device;Multi-stage stirring device is two-stage agitating device, including one-level agitator tank 13 and two level stirring Tank 21, one-level agitator tank 13 are located at the surface of two level agitator tank 21, and the top of one-level agitator tank 13 is set by one-level adpting flange Taper loading hopper 11 is equipped with, taper loading hopper 11 and the end of belt conveyer 419 are just corresponding, outside taper loading hopper 11 Portion is provided with dust cover, and dust cover to the tail end and taper loading hopper 11 of belt conveyer 419 cover dust-proof, and taper is entered The interior welds of funnel 11 are magnetic screen cloth, and taper loading hopper 11 is provided with the first rotary valve with the junction of one-level agitator tank 13 Door 12, is provided with the electronic beater mechanism of one-level outside one-level agitator tank 13, and its be internally provided with one-level spiral agitator and One-level ultrasonic stirrer;The second changeover valve 22, two level agitator tank 21 are provided between one-level agitator tank 13, two level agitator tank 21 Outside is provided with second-stage electric beater mechanism, and it is internally provided with deuterostrophies agitator and two level ultrasonic stirrer;Two The bottom of level agitator tank 21 is provided with concrete outlet, and spiral discharging device 23, spiral discharging device 23 are provided with concrete outlet Driven by the motor 25 being fixed in mounting seat 26, motor 25 is connected by connecting electric wire 24 with control device;Spiral discharging device 23 include helical axis and the discharging rod on helical axis, and spiral discharging device 23 connects with transfer pipeline 28.
Multi-stage stirring device also includes water supply component, and water supply component includes the water pump 27 being fixed in mounting seat 26, water pump 27 have the water supply conduit extended straight up, and water supply conduit connects with one-level agitator tank 13, two level agitator tank 21 respectively, send water First pressure table 31, second pressure gauge 33 are provided with pipeline, first pressure table is corresponding with one-level agitator tank 13, second pressure gauge It is corresponding with two level agitator tank 21;The side of water pump 27 is also connected with water tank 36 by water storage pipeline, be provided with water storage pipeline into Penstock 37, water tank 36 also have the first outlet pipeline 32 and the second outlet pipeline 34, and the first outlet pipeline 32 stirs with one-level Mix tank 13 to connect, the second outlet pipeline 34 is connected with two level agitator tank 21, and the second outlet valve is provided with the second outlet pipeline 34 Door 35, the first flowing water Valve is provided with the first outlet pipeline 32.
Cement transportation line 41, sand material pipeline 42 and rubble pipeline 43 are respectively connecting to the first buffering chamber 415, second The buffering chamber 417 of buffering chamber 416 and the 3rd, the first buffering chamber 415, the second buffering chamber 416 and the bottom of the 3rd buffering chamber 417 go out Mouth is provided with Electromagnetic Control valve 152, and each bottom of Electromagnetic Control valve 152 is provided with a belt conveyer scale 418, Electromagnetic Control Valve 152, belt conveyer scale electrically connect with control device, and the weighing data of control device record belt conveyer scale 418 simultaneously carries out accumulative meter Calculate, three belt conveyer scales 418 store gravimetric value set in advance, and falling material is weighed, and claim once belt conveyer scale 418 is accumulative The weight of material of amount reaches the gravimetric value pre-set, and control device controls corresponding Electromagnetic Control valve 152 to close, and stops The supply of corresponding material;The bottom of three belt conveyer scales 418 is additionally provided with the belt conveyer 419 for accepting material, belt conveyer Material is delivered to Multi-stage stirring device by 419.
First buffering chamber 415, the second buffering chamber 416 and the 3rd buffering chamber 417 be provided with high-order level-sensing device 151 and Low level level-sensing device, high-order level-sensing device 151 and low level level-sensing device electrically connect with control device.
Cement transportation line 41 includes cement and accepts hopper 411, and cement accepts hopper 411 and is used to accept the water that transport vehicle ships Mud, the bottom that cement accepts hopper 411 are provided with the first inclined belt conveyer, and the first inclined belt conveyer is by cement transportation To cement storage silo 412, the top of cement storage silo 412 is provided with cement screen pack, and the bottom of cement storage silo 412 is provided with water Mud air conveying line 414, the first crusing robot 413 is additionally provided with cement air conveying line 414.
Sand material pipeline 42 includes sand material and accepts hopper, and sand material accepts hopper and is used to accept the sand material that transport vehicle ships, sand The bottom that material accepts hopper is provided with the second inclined belt conveyer, and sand material is delivered to sand material and deposited by the second inclined belt conveyer Warehouse, sand material storage silo top are provided with sand material screen pack, and the bottom of sand material storage silo is provided with sand material air conveying line, sand The second crusing robot is additionally provided with material air conveying line.
Rubble pipeline 43 includes rubble and accepts hopper, and rubble accepts hopper and is used to accept the rubble that transport vehicle ships, broken The bottom that stone accepts hopper is provided with the 3rd inclined belt conveyer, and rubble is delivered to rubble and deposited by the 3rd inclined belt conveyer Warehouse, rubble storage silo top are provided with rubble screen pack, and the bottom of rubble storage silo is provided with rubble air conveying line, broken The 3rd crusing robot is additionally provided with stone air conveying line.
As shown in figure 3, the first changeover valve and the second rotary valve structure are identical, including rotary shaft 124, rotary shaft Axle sleeve 123 is socketed with outside 124, the bottom of rotary shaft 124 is connected with swingle 125, and the end of swingle 125 is fixed with valve plates 126, the output axis connection of the upper end of rotary shaft 124 and motor 121, pulling handle 122 is further fixed in rotary shaft 124.
The embodiment is to the illustrative present invention, not for the limitation present invention.Any those skilled in the art The embodiment can be modified under the spirit and scope without prejudice to the present invention, therefore the rights protection model of the present invention Enclose, should be as listed by the claim of the present invention.

Claims (6)

  1. A kind of 1. Multi-stage stirring formula concrete central mix plant, it is characterised in that:Filled including siccative feeding device (4), Multi-stage stirring Put and control device, siccative feeding device (4) are located at the top of Multi-stage stirring device, siccative feeding device (4), Multi-stage stirring Device electrically connects with control device;Wherein, siccative feeding device (4) includes cement transportation line (41), sand material pipeline (42) And rubble pipeline (43), cement, sand material and rubble enter belt conveyor after the pneumatic conveying of siccative feeding device (4) Machine (419), and Multi-stage stirring device is transported to by belt conveyer (419);Multi-stage stirring device is two-stage agitating device, including One-level agitator tank (13) and two level agitator tank (21), one-level agitator tank (13) are located at the surface of two level agitator tank (21), one-level Agitator tank (13) top is provided with taper loading hopper (11), taper loading hopper (11) and conveying skin by one-level adpting flange End with machine (419) is just corresponding, is provided with dust cover outside taper loading hopper (11), dust cover is to belt conveyer (419) tail end and taper loading hopper (11) cover dust-proof, and taper loading hopper (11) interior welds are magnetic screen cloth, Taper loading hopper (11) is provided with the first changeover valve (12) with one-level agitator tank (13) junction, and one-level agitator tank (13) is outside Portion is provided with the electronic beater mechanism of one-level, and it is internally provided with one-level spiral agitator and one-level ultrasonic stirrer;One-level The second changeover valve (22) is provided between agitator tank (13), two level agitator tank (21), is provided with outside two level agitator tank (21) Second-stage electric beater mechanism, and it is internally provided with deuterostrophies agitator and two level ultrasonic stirrer;Two level agitator tank (21) bottom is provided with concrete outlet, is provided with spiral discharging device (23) at concrete outlet, spiral discharging device (23) by Motor (25) driving being fixed in mounting seat (26), motor (25) are connected by connecting electric wire (24) with control device;Spiral Discharger (23) includes helical axis and the discharging rod on helical axis, and spiral discharging device (23) connects with transfer pipeline (28);
    Multi-stage stirring device also includes water supply component, and water supply component includes the water pump (27) being fixed in mounting seat (26), water pump (27) there is the water supply conduit extended straight up, water supply conduit connects with one-level agitator tank (13), two level agitator tank (21) respectively It is logical, first pressure table (31), second pressure gauge (33) are provided with water supply conduit, first pressure table and one-level agitator tank (13) are right Should, second pressure gauge is corresponding with two level agitator tank (21);Water pump (27) side is also connected with water tank (36) by water storage pipeline, Inlet valve (37) is provided with water storage pipeline, water tank (36) also has the first outlet pipeline (32) and the second outlet pipeline (34), the first outlet pipeline (32) connects with one-level agitator tank (13), and the second outlet pipeline (34) connects with two level agitator tank (21) It is logical, the second flowing water Valve (35) is provided with the second outlet pipeline (34), the first outlet pipeline is provided with the first water outlet on (32) Valve;
    Cement transportation line (41), sand material pipeline (42) and rubble pipeline (43) be respectively connecting to the first buffering chamber (415), Second buffering chamber (416) and the 3rd buffering chamber (417), the first buffering chamber (415), the second buffering chamber (416) and the 3rd are slow Storage (417) lower part outlet is provided with Electromagnetic Control valve (152), and each Electromagnetic Control valve (152) bottom is provided with one Individual belt conveyer scale (418), Electromagnetic Control valve (152), belt conveyer scale electrically connect with control device, control device record belt conveyer scale (418) weighing data simultaneously carries out cumulative calculation, and three belt conveyer scales (418) store gravimetric values set in advance, and to lower junk Material is weighed, once the weight of material of belt conveyer scale (418) total weight reaches the gravimetric value pre-set, control device control Corresponding Electromagnetic Control valve (152) is closed, and stops the supply of corresponding material;The bottom of three belt conveyer scales (418) is also set up There is the belt conveyer (419) for accepting material, material is delivered to Multi-stage stirring device by belt conveyer (419).
  2. A kind of 2. Multi-stage stirring formula concrete central mix plant according to claim 1, it is characterised in that:Cement transportation line (41) include cement and accept hopper (411), cement accepts hopper (411) and is used to accept the cement that transport vehicle ships, and cement is accepted The bottom of hopper (411) is provided with the first inclined belt conveyer, and the first inclined belt conveyer deposits cement transportation to cement Warehouse (412), cement storage silo (412) top are provided with cement screen pack, and the bottom of cement storage silo (412) is provided with cement Air conveying line (414), the first crusing robot (413) is additionally provided with cement air conveying line (414).
  3. A kind of 3. Multi-stage stirring formula concrete central mix plant according to claim 1, it is characterised in that:Sand material pipeline (42) include sand material and accept hopper, sand material accepts hopper and is used to accept the sand material that transport vehicle ships, and sand material accepts the bottom of hopper The second inclined belt conveyer is provided with, sand material is delivered to sand material storage silo, sand material storage silo by the second inclined belt conveyer Top is provided with sand material screen pack, and the bottom of sand material storage silo is provided with sand material air conveying line, sand material air conveying line On be additionally provided with the second crusing robot.
  4. A kind of 4. Multi-stage stirring formula concrete central mix plant according to claim 1, it is characterised in that:Rubble pipeline (43) include rubble and accept hopper, rubble accepts hopper and is used to accept the rubble that transport vehicle ships, and rubble accepts the bottom of hopper The 3rd inclined belt conveyer is provided with, rubble is delivered to rubble storage silo, rubble storage silo by the 3rd inclined belt conveyer Top is provided with rubble screen pack, and the bottom of rubble storage silo is provided with rubble air conveying line, rubble air conveying line On be additionally provided with the 3rd crusing robot.
  5. A kind of 5. Multi-stage stirring formula concrete central mix plant according to claim 1, it is characterised in that:First changeover valve Identical with the second rotary valve structure, including rotary shaft (124), rotary shaft (124) is outside to be socketed with axle sleeve (123), rotates Axle (124) bottom is connected with swingle (125), and swingle (125) end is fixed with valve plates (126), rotary shaft (124) upper end With the output axis connection of motor (121), pulling handle (122) is further fixed in rotary shaft (124).
  6. A kind of 6. Multi-stage stirring formula concrete central mix plant according to claim 1, it is characterised in that:First buffering chamber (415), the second buffering chamber (416) and the 3rd buffering chamber (417) are provided with high-order level-sensing device (151) and low level material position Meter, high-order level-sensing device (151) and low level level-sensing device electrically connect with control device.
CN201610452064.4A 2016-06-17 2016-06-17 A kind of Multi-stage stirring formula concrete central mix plant Expired - Fee Related CN105881739B (en)

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