CN102490273A - Admixture premixing system and premixing method - Google Patents

Admixture premixing system and premixing method Download PDF

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Publication number
CN102490273A
CN102490273A CN201110397557XA CN201110397557A CN102490273A CN 102490273 A CN102490273 A CN 102490273A CN 201110397557X A CN201110397557X A CN 201110397557XA CN 201110397557 A CN201110397557 A CN 201110397557A CN 102490273 A CN102490273 A CN 102490273A
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China
Prior art keywords
additive
mixer
premix
dilution
admixture
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CN201110397557XA
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CN102490273B (en
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陈炳山
邓秋霞
蔡晓东
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CHENGDU BAOFENG BUILDING MATERIALS CO LTD
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CHENGDU BAOFENG BUILDING MATERIALS CO LTD
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Publication of CN102490273A publication Critical patent/CN102490273A/en
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Abstract

The invention discloses an admixture premixing system. The admixture premixing system is characterized by consisting of the following parts: raw material bins, a batching scale, a mixing machine, an intermediate bin and an admixture cylinder, wherein the raw material bins are used for storing cement and fly ash respectively; the batching scale is used for automatically batching according to formulas; the mixing machine is used fro fully mixing admixtures with the cement and the fly ash which are stored in the raw material bins to form diluted admixtures; the intermediate bin is used for temporarily storing the diluted admixtures; and the admixture cylinder is used for storing the diluted admixtures. The intermediate bin is connected to the admixture cylinder through a pipeline, and the diluted admixtures are delivered from the intermediate bin to an admixture cylindrical silo by means of compressed air. The admixtures are diluted, are mixed, are delivered to the admixture cylindrical silo on the top of a stirring plant by air, and are automatically batched with other materials. The raw materials of the admixtures are only required to be fed on the ground and are automatically delivered to the admixture cylindrical silo on the top of the stirring plant by a machine after being premixed, so that the admixture premixing system is safe and convenient; and the phenomenon that labor safety rules are violated if the admixtures are delivered by self-made indigenous elevators is eliminated.

Description

Additive premix system and method for pre mixing
Technical field
The present invention relates in the construction material the additive delivery device, specifically is a kind of premix system that additive is thrown in.
Technical background
Additive is the organic and inorganic or compound compound of admixture when mixing system, and what mortar additive was commonly used mainly is naphthalene series high-efficiency water-reducing agent, high-efficiency water-reducing agent of poly-carboxylic acid and aliphatic high-efficiency water reducing agent.Naphthalene series high-efficiency water-reducing agent is through the synthetic non-bleed type high efficiency water reducing agent of chemical industry, the chemical name naphthalenesulfonate formaldehyde condensation compound, and it has very strong peptizaiton for the cement particle.To preparing big fluidised form concrete; Cast-in-place concrete and precast member early strong, high-strength requirement are arranged; Good result of use is arranged; Can improve comprehensively and improve the various performances of concrete, be widely used in highway, bridge, dam, port and pier, tunnel, electric power, water conservancy and worker China Democratic National Construction Association engineering, steam-cured and natural curing precast member etc., be the function of improving and regulating concrete or mortar.Wherein the additive performance characteristics is: when concrete strength and the slump are basic identical, can reduce cement consumption 10-25%; When the ratio of mud is constant, the initial slump of concrete is improved more than the 10cm, water-reducing rate can reach 15-25%; Concrete is had significant morning of strong, reinforced effects, and its intensity increase rate is 20-60%; Improve the workability of mortar, improve the physical and mechanical property of concrete comprehensively; Good to various cement adaptabilities, good with other all types of mortar additive compatibility.
Yet the form of directly throwing in is generally taked in the interpolation of additive: such as adopt artificial the input from the facilities of mix storied building top; Or stirring roof, with directly dropping into behind the machine automatic blending.The method has 2 problems: (1) must be transported to the facilities of mix storied building top layer with additive (being generally inner wrapping).It is reported that the general at present native elevator (the employing hoist engine adds cage and track combines) that uses is accomplished this task.There is potential safety hazard in this method hazardous, is that national relevant laws are forbidden.(2) because the consumption of additive seldom, is generally 0.3% of total amount, it is more time-consuming therefore will stirring.
Summary of the invention
The object of the present invention is to provide a kind of additive premix system, overcome the shortcoming that existing method of shipment exists, with pneumatic transmission after the additive diluted mixture to being positioned at the additive silo that stirs roof.
The present invention is achieved in that a kind of additive premix of structure system, it is characterized in that: form by following components,
Former feed bin 103a, 103b are respectively applied for and store cement and flyash;
Burden balance are accomplished batching according to prescription automatically;
Mixer fully mixes the cement and the flyash that store among additive and former feed bin 103a, the 103b, forms the dilution additive;
Intermediate bin is used for the temporary additive that has diluted;
The additive tube is used for storage dilution additive, and intermediate bin is connected to the additive tube through pipeline, and the additive after adopting compressed air dilution is delivered to the additive silo from intermediate bin.
According to a kind of additive premix according to the invention system; It is characterized in that: two former feed bin 103a, its ports of export of 103b are respectively arranged with conveying worm, through conveying worm with cement and ash transfer to burden balance, accomplish batching by burden balance according to prescription; Burden balance are carried mixer through feeding pipe with its raw material; Fully mix additive, cement and flyash by mixer, produce the dilution additive
Wherein mixer is communicated with intermediate bin, is used for the temporary said additive that has diluted.
According to a kind of additive premix according to the invention system, it is characterized in that: be provided with and be convenient to the elevator that additive is thrown in, wherein the elevator low side is used for additive and throws in, and its other end is delivered to additive in the mixer through feeding pipe.
According to a kind of additive premix according to the invention system, it is characterized in that: also comprise deduster, be used for additive premix system dust removing.
According to a kind of additive premix according to the invention system, it is characterized in that: elevator has the Weighing function, can accomplish to control exactly inventory when manual work feeds intake.
According to a kind of additive premix according to the invention system, it is characterized in that: burden balance are made up of scale bucket, LOAD CELLS, instrument and control circuit, and operating personnel are through preestablishing prescription, and burden balance will be accomplished batching according to prescription automatically.
According to a kind of additive premix according to the invention system, it is characterized in that: wherein said former feed bin 103a, 103b are large-scale silo.
According to a kind of additive premix according to the invention system, it is characterized in that: discharge door place, said additive silo lower end is provided with another conveying worm.
The preparatory method for pre mixing of a kind of additive is characterized in that: the technological process of additive dilution is following:
A), manual work drops into elevator with additive, and carries out Weighing;
B), burden balance prepare cement, flyash according to dilution ratio;
C), elevator rises to the top with additive, is poured into mixer then, meanwhile burden balance also enter mixer with the cement for preparing, flyash, are mixed together with additive;
D), mix to accomplish after, the discharge door of mixer is opened, and the additive that mixes is entered intermediate bin; So far the dilution of additive is accomplished;
E), it is for use to be transported to the additive silo with the additive of compressed air after dilution from intermediate bin.
The invention has the advantages that; Said premix system is with the additive dilution and mix the back pneumatic transmission to the additive silo that stirs roof, then with the unclassified stores automatic blending.Its characteristics are following:
(1) because seldom, diluting additive, the consumption of additive adopt the small-power mixer to get final product.
(2) significantly reduced the incorporation time of dry powder and mortar.With 10 cubes double-shaft mixers is example, if additive without premix, generally needs 6 minutes time fully to mix.Then only need 3 to 4 minutes time to get final product behind the additive premix.
(3) raw material of additive only needs to feed intake on ground, and machine is delivered to the additive silo that stirs roof with it automatically behind the premix, and is safe, convenient.The situation of having avoided transporting the violation labor safety rules of additive with the native elevator of self-control takes place.
(4) this premix unit can directly be used to produce additive, reduces cost.
Description of drawings
Fig. 1 is a premix system architecture sketch map according to the invention.
Among the figure: 101, deduster, 102, elevator, 103a, 103b, former feed bin, 104, burden balance, 105, mixer, 106, intermediate bin, 107, the additive tube, 108, conveying worm.
The specific embodiment
Below in conjunction with appended drawings the present invention is made detailed description:
Additive premix according to the invention system is with the additive dilution and mix the back pneumatic transmission to the additive silo that stirs roof, then with the unclassified stores automatic blending.Form by following components:
Former feed bin 103a, 103b are respectively applied for and store cement and flyash;
Burden balance 104 are accomplished batching according to prescription automatically;
Mixer 105 fully mixes the cement and the flyash that store among additive and former feed bin 103a, the 103b, forms the dilution additive;
Intermediate bin 106 is used for the temporary additive that has diluted;
Additive tube 107 is used for storage dilution additive, and intermediate bin 106 is connected to additive tube 107 through pipeline, and adopts compressed air to be delivered to additive silo 107 to the additive after diluting from intermediate bin 106, adopts the gas generator process gas.Discharge door place, said additive silo 107 lower end is provided with another conveying worm 108 with its output.Add agent silo 107 and be installed in roof, such as vertical height 30m, whole system horizontal range 35m.
Wherein said former feed bin 103a, 103b can be large-scale silo.Two former feed bin 103a, its ports of export of 103b are respectively arranged with conveying worm 108; With cement and ash transfer to burden balance 104, accomplish batching by burden balance 104 according to prescription through conveying worm 108, burden balance 104 are carried mixer 105 through feeding pipe with its raw material; Fully mix additive, cement and flyash by mixer 105; Produce the dilution additive, wherein mixer 105 is communicated with intermediate bin 106, is used for the temporary said additive that has diluted.
Be provided with and be convenient to the elevator 102 that additive is thrown in, wherein elevator 102 low sides are used for the additive input, and its other end is delivered to additive in the mixer 105 through feeding pipe.The benefit of elevator 102 is to be used for raw material (additive) is promoted to the top, then raw material is sent into mixer 105.Here said raw material generally is the additive of high concentration.Elevator 102 has the Weighing function, can accomplish to control exactly inventory when manual work feeds intake.Burden balance 104 are made up of scale bucket, LOAD CELLS, instrument and control circuit, and operating personnel are through preestablishing prescription, and burden balance will be accomplished batching according to prescription automatically.
As shown in Figure 1: as also to comprise being provided with deduster 101, be used for additive premix system dust removing.
The preparatory method for pre mixing of additive of wherein above-mentioned premix system, the technological process that adds dilution agent is following:
A), manual work drops into elevator 102 with additive, and carries out Weighing;
B), burden balance 104 prepare cement, flyash according to dilution ratio;
C), elevator 102 rises to the top with additive, is poured into mixer 105 then, meanwhile burden balance 104 also enter mixer 105 with the cement for preparing, flyash, are mixed together with additive;
D), mix to accomplish after, the discharge door of mixer 105 is opened, and the additive that mixes is entered intermediate bin 106; So far the dilution of additive is accomplished;
E), it is for use to be transported to additive silo 107 with the additive of compressed air after dilution from intermediate bin 106.
Compare with existing feed way and to have following characteristics: (1) since the consumption of additive seldom, the dilution additive adopts the small-power mixer to get final product.
(2) significantly reduced the incorporation time of dry powder and mortar.
With 10 cubes double-shaft mixers is example, if additive without premix, generally needs 6 minutes time fully to mix, then only needs 3 to 4 minutes time to get final product behind the additive premix.
With 30 tons in a car mortar is example, divides 4 stirrings, and each 7.5t stirs power 55kw with the 10m mixer.
A directly throws in additive
If directly additive is dropped into mixer and unclassified stores is mixed together, drop into 22.5 kilograms of additives at every turn, mixing time is 5 minutes, a car mortar need stir 20 minutes, power consumption 18.33kw, ton power consumption 0.6111kw.
Throw in additive behind the b premix
If the ratio with 1:9 is diluted additive with the premix unit in advance.Drop into mixer then and unclassified stores is mixed together, mixing time only needs 3 minutes, and a car mortar only need stir 12 minutes, power consumption 11kw.
The premix power consumption 2.665kw that the per car mortar is required, wherein:
Elevator, motor 5.5kw worked power consumption 0.367kw 4 minutes
Little mixer, motor 15kw worked power consumption 1.75kw 7 minutes
Conveyer, 5.5kw worked power consumption 0.55kw 6 minutes
Mixer power consumption and the addition of premix machine power consumption are added up to 13.665kw, ton power consumption 0.4555kw.
The data declaration that c is above adopts additive method for pre mixing of the present invention can reduce a ton power consumption 0.1556kw.If produce 300000 tons then 4.66 ten thousand degree that can economize on electricity per year.
3 raw materials through elevator 102 additives only need to feed intake on ground, and machine is delivered to the additive silo (107) that stirs roof with it automatically behind the premix, and is safe, convenient.The situation of having avoided transporting the violation labor safety rules of additive with the native elevator of self-control takes place.
4 these premix units also can directly be used to produce additive, reduce cost.
The general cost of oneself producing additive is about about 50% of outsourcing valency.By 3000 yuan per ton of outsourcing, own production then is 1500 yuan of tons.If produce 300000 tons in mortar per year,, save 1,350,000 yuan altogether with 900 tons of additives.

Claims (9)

1. additive premix system is characterized in that: forms by following components,
Former feed bin (103a, 103b) is respectively applied for and stores cement and flyash;
Burden balance (104) are accomplished batching according to prescription automatically;
Mixer (105) fully mixes the cement and the flyash that store in additive and the former feed bin (103a, 103b), forms the dilution additive;
Intermediate bin (106) is used for the temporary additive that has diluted;
Additive tube (107) is used for storage dilution additive, and intermediate bin (106) is connected to additive tube (107) through pipeline, and the additive after adopting compressed air dilution is delivered to additive silo (107) from intermediate bin (106).
2. according to the said a kind of additive premix of claim 1 system; It is characterized in that: its port of export of two former feed bins (103a, 103b) is respectively arranged with conveying worm (108); Through conveying worm (108) with cement and ash transfer to burden balance (104); Accomplish batching by burden balance (104) according to prescription, burden balance (104) are carried mixer (105) through feeding pipe with its raw material, fully mix additive, cement and flyash by mixer (105); Produce the dilution additive
Wherein mixer (105) is communicated with intermediate bin (106), is used for the temporary said additive that has diluted.
3. according to the said a kind of additive premix of claim 1 system; It is characterized in that: be provided with and be convenient to the elevator (102) that additive is thrown in; Wherein elevator (102) low side is used for the additive input, and its other end is delivered to additive in the mixer (105) through feeding pipe.
4. according to the said a kind of additive premix of claim 3 system, it is characterized in that: also comprise deduster (101), be used for additive premix system dust removing.
5. according to the said a kind of additive premix of claim 3 system, it is characterized in that: elevator (102) has the Weighing function, can accomplish to control exactly inventory when manual work feeds intake.
6. according to the said a kind of additive premix of claim 1 system, it is characterized in that: burden balance (104) are made up of scale bucket, LOAD CELLS, instrument and control circuit, and operating personnel are through preestablishing prescription, and burden balance will be accomplished batching according to prescription automatically.
7. according to claim 1 or 2 said a kind of additive premix systems, it is characterized in that: wherein said former feed bin (103a, 103b) is large-scale silo.
8. according to the said a kind of additive premix of claim 1 system, it is characterized in that: discharge door place, said additive silo (107) lower end is provided with another conveying worm (108).
9. preparatory method for pre mixing of additive is characterized in that: the technological process of additive dilution is following:
A), manual work drops into elevator (102) with additive, and carries out Weighing;
B), burden balance (104) prepare cement, flyash according to dilution ratio;
C), elevator (102) rises to the top with additive, is poured into mixer (105) then, meanwhile burden balance (104) also enter mixer (105) with the cement for preparing, flyash, are mixed together with additive;
D), mix to accomplish after, the discharge door of mixer (105) is opened, and the additive that mixes is entered intermediate bin (106); So far the dilution of additive is accomplished;
E), it is for use to be transported to additive silo (107) with the additive of compressed air after dilution from intermediate bin (106).
CN201110397557.XA 2011-12-05 2011-12-05 Admixture premixing system and premixing method Expired - Fee Related CN102490273B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104354228A (en) * 2014-10-20 2015-02-18 佛山高品环保技术有限公司 Stirring device for mixing artificial stone raw materials
CN109506749A (en) * 2018-12-20 2019-03-22 攀枝花钢城集团有限公司 Strontium ferrite powder weighs feed proportioning system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201325121Y (en) * 2008-12-25 2009-10-14 官兴田 Continuous batching system for concrete production field
CN201604208U (en) * 2010-03-26 2010-10-13 成都嘉新建材有限责任公司 Improved dry powder production device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201325121Y (en) * 2008-12-25 2009-10-14 官兴田 Continuous batching system for concrete production field
CN201604208U (en) * 2010-03-26 2010-10-13 成都嘉新建材有限责任公司 Improved dry powder production device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104354228A (en) * 2014-10-20 2015-02-18 佛山高品环保技术有限公司 Stirring device for mixing artificial stone raw materials
CN109506749A (en) * 2018-12-20 2019-03-22 攀枝花钢城集团有限公司 Strontium ferrite powder weighs feed proportioning system

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