CN101333134A

CN101333134A - Bio-fertilizer adsorbing agent synthesized from fly ash and gangue and its manufacturing method

Info

Publication number: CN101333134A
Application number: CNA2007101235061A
Authority: CN
Inventors: 张小勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-29
Filing date: 2007-06-29
Publication date: 2008-12-31
Also published as: WO2009003340A1

Abstract

The invention discloses a biofertilizer adsorbent synthesized by coal powder and gangue, and a preparation method. The biofertilizer adsorbent comprises coal powder and gangue, wherein, the coal powder particle diameter is less than or equal to 0.22mm, while the gangue particle diameter is less than or equal to 0.3mm; the coal powder takes up 40% to 50% of the total volume ratio, while the gangue accounts for 50% to 60%. The technical effect of the invention lies in that the biofertilizer adsorbent solves the problem of pollution to staff, soil and future environment caused by the pollutants in the coal powders and gangue. The invention makes scientific use of industrial waste, reduces production costs and effectively reduces the occupation of arable land and also controls the pollution to human and environment caused by coal powders and gangue; the invention replaces the traditional method for producing biofertilizer adsorbent with coal and other natural resources, so as to save energy resources.

Description

A kind of with flyash and coal gangue is bio-fertilizer adsorbing agent synthesized and method for making

Technical field

The present invention relates to a kind of bio-fertilizer adsorbing agent synthesized with flyash and coal gangue, with and method for making.

Background technology

In recent years, domestic tens of families produced the manufacturing enterprise of bio-feritlizer, and employing always as sorbing material, is produced powdery or particulate state bio-feritlizer as the bio-feritlizer sorbent material as the resource-type material of single kind such as coal slime, brown coal, mud coal.Once the someone advised adopting soil, river silt, pond sludge as bio-fertilizer absorbent material.Because the fishy odor of river silt, pond sludge self is too dense, glue degree of being stained with height, in process of manufacture, must have the foul smell of river silt, pond sludge, environment and process for processing personnel can be polluted and endanger.Although river silt, pond sludge are used what cost of cost,, owing to river silt, pond sludge, sticking degree of the being stained with height of soil self.Be not suitable for use in bio-fertilizer absorbent material.Independent flyash or the coal gangue of using be as bio-fertilizer absorbent material, though with low cost, because the quality of the flyash under the independent user mode is fluffy, light weight, volume are bigger than normal, and independently the sole mass of colliery powder weighs, volume is little.Obviously, no matter be independent flyash or all non-desirable suitable sorbent material of bio-fertilizer absorbent that is used as of colliery powder of using.If, let alone bio-fertilizer manufacturing enterprise of domestic existing tens of family, uncontrolled, extensive, the single serial energy type resources such as coal, coal slime, brown coal, mud coal, weathered coal, wilkinite, peat soil, diatomite of independently using are made bio-fertilizer absorbent material, remove artificial increase bio-fertilizer production cost, used the Energy resources of a large amount of preciousnesses.

Summary of the invention

In view of this, the technical problem that mainly solves of the present invention be to provide a kind of use flyash and coal gangue synthetic bio-fertilizer absorbent with and preparation method thereof, utilized industrial waste again, saved the energy effectively.

In order to solve the problems of the technologies described above, technical scheme of the present invention is achieved in that a kind of flyash and coal gangue are bio-fertilizer adsorbing agent synthesized, comprises fly ash grain diameter≤0.22mm, coal gangue particle diameter≤0.3mm; The flyash weight ratio is 40%-50%, and the weight ratio of coal gangue is 50%-60%.

The another kind of technical scheme that solves is flyash and the bio-fertilizer adsorbing agent synthesized method of coal gangue of making, the process following steps:

First step, the flyash of preliminary screening poly-doped impurity separates its impurity that contains, get rid of;

Second step, the flyash that first step is finished carries out break process;

Third step, the flyash that second step is finished carries out fine particle, and powder becomes diameter≤0.22mm particle;

The 4th step, preliminary screening contain the lumped coal spoil of foreign material mixture, and its impurity that contains is separated, gets rid of;

The 5th step, the coal gangue that the 4th step is finished carries out break process;

The 6th step, the coal gangue that the 5th step is finished carries out fine particle, and powder becomes diameter≤0.3mm particle;

The 7th step, according to flyash weight ratio 40%-50%, colliery powder weight ratio 50%-60% synthesizes stirring.

The technique effect that the present invention reaches is as follows:

The present invention has adopted flyash and coal gangue bio-fertilizer absorbent material synthesized, the flyash, coal gangue that will contain impurity through removing, after broken, fine powder handles, according to diameter≤0.22mm flyash, weight ratio 40%-50%, and the colliery powder of diameter≤0.3mm, weight ratio 50%-60%, the machinery of sending into rotating speed 80-100r/min respectively synthesizes whipping appts, and is bio-fertilizer absorbent material synthesized through full and uniform stirring more than 8 minutes.Use selected program with strictness control harmful substance content, thereby solved the pollution goods and materials that contain in flyash and the coal gangue personnel, soil and FUTURE ENVIRONMENT have been constituted any pollution, science is used industrial refuse, turns waste into wealth, and has prevented the pollution that industrial refuse causes.Finish and filled up for a long time both at home and abroad the never historical blank of the special-purpose sorbent material of bio-fertilizer, thereby the traditional coals of present domestic tens of family's bio-fertilizer fertilizer enterprise life-time service can have been reached except 100% replacing whole, coal slime, weathered coal, brown coal, mud coal, peat soil, bentonite in powder, single Energy resources type such as diatomite in powder highly energy-consuming material is as sorbent material, the annual coal of saving millions of approximately tons and even up to ten million tons, the coal slime equal energy source, simultaneously bio-fertilizer manufacturing enterprise has reduced direct production cost significantly, has alleviated coal gangue and flyash effectively to taking of ploughing and to the soil, the water source, the pollution that environments for human survival such as air cause.

Embodiment

In the present invention, flyash and coal gangue are bio-fertilizer absorbent material synthesized, comprise by the original state flyash of fuel-burning power plant discharging, be mingled with the oven coke breeze block that the block size of part, weight differ.Comprise under the colliery that coal production industry colliery discharging piles up and elevate the coal gangue that size shape differs, weight differs, be mingled with downhole production rubbish such as part iron, cable, electric wire, wood interior, after several different separately science treatment process processing, make it to generate uniform flyash of standard-required particulate state and coal gangue synthetic adsorbent material, it is reached fully and satisfy respectively to be used for doing bio-fertilizer production, evenly adsorb the standard that requires of bio-fertilizer bacterium liquid liquid.In order to ensure the normal use of handling back flyash and coal gangue, respectively both are carried out following processing.

Embodiment one

With mixing contain stone, branch, steel, iron and diameter 2～60cm, weight is removed processing at the flyash of the different shape piece oven coke breeze block of 0.1～10kg, uses common screening procedure, adopts the artificial mode to pick out the foreign material that include.Adopt selected screening procedure, whether the content of pollutents such as the cadmium that check contains in the flyash, arsenic, molybdenum, selenium, boron, nickel, chromium, copper, lead the standard that requires up to specification.By the flyash input processing equipment for pulverizing of automatic conveying device after, the unified about 6mm of diameter, the blocky-shaped particle of weight≤0.2kg of being broken into removal of contamination.Flyash is entered meticulous powder treatment unit by transmitting device, carry out the fine particle unification and be processed into diameter≤0.22mm particle, and adopt selected screening routine check to measure once more, whether standard up to specification detects and continuous data to the content of pollutents such as lead contained in the flyash fine powder after the above-mentioned processing, and the powdery fine powdered coal back that disposes is standby.

Primary election mixes foreign material such as containing doping wooden piece not of uniform size, steel, iron block, diameter 5～80cm, weight is the lumped coal spoil of 0.5～120kg, pick out wooden piece, steel, iron, the foreign material such as part, plastic waste, cable waste, waste electric wire that give up that include with the method for artificial preliminary screening program, use common screening procedure screening to clear out of diameter greater than objectionable constituent such as 6cm brim stones.Adopt selected screening procedure to check to measure the content of brim stone, vitriol, sodium ion composition in the Powdered coal gangue particle standard that whether meets the requirements, to be input to processing equipment for pulverizing through the coal gangue after the 5th step process by automatic conveying device, it is included coal gangue be broken into diameter 8cm, the coal gangue fragment of weight≤0.6kg.To be conveyed into the fine processing device through broken coal gangue, unifying thin powdery handles, the unification of fragment coal gangue is processed into particle diameter≤0.3mm, adopt selected screening procedure to check again to measure through the content of nuisance residual components such as brim stone in the later colliery powder powder of processing treatment conformance with standard whether, and metering preservation data, powdery duff spoil powder is standby.To meet diameter≤0.22mm particulate flyash through particle diameter after the processing treatment, according to the nuisance content that detects in the above step as a reference, the content of impurity is big, and the consumption of flyash reduces, and proportional range is controlled at 40%-50%.Particle diameter for the colliery powder of≤0.3mm according to the content of actual residual harmful composition whether conformance with standard and the metering data of preserving be used as reference, the proportional range of colliery powder usage quantity is controlled at 50%-60%.With two flyash, coal gangue automatic conveying device, send into the synthetic whipping appts of machinery of rotating speed 80-100r/min speed respectively, after full and uniform stirring more than 8 minutes, promptly synthetic the generation meets that to produce standard flour coal ash and coal gangue that bio-fertilizer enterprise uses bio-fertilizer absorbent material synthesized.Embodiment two

1, in the present embodiment, in first procedure, use the preliminary screening program to select mixing is contained stone, branch, steel, iron and diameter 2-60cm, weight is handled at the different shape piece oven coke breeze block of 0.1-10kg, the stone that uses common screening procedure to adopt the artificial mode to pick out to include, wood, steel, the tiny foreign material of iron etc.Whether standard and the mensuration of requiring up to specification is measured the preservation data to adopt the concrete content that contains pollutent in the agricultural flyash such as cadmium, arsenic, lead in the selected screening procedure strictness check flyash, then enters the broken treatment process in second road by automatic conveying device.To include the unification of oven coke coal residue and be broken into the block diameter 〉=6cm of fritter, powder mix coal ash half coarse fodder about piece weight size≤0.2kg is standby.

2, mixing is contained foreign material such as wood that the doping size differs, steel, iron block, and 5-80cm, weight are the things such as lumped coal spoil of 0.5-120kg, unification is picked out wooden stick, steel, iron, the foreign material such as part, plastic waste, cable waste, waste electric wire that give up that include through the first road preliminary screening program with the artificial method, uses common screening procedure to filter out piece diameter 〉=harmful solids components such as 6cm brim stone.Adopt the strict check of selected screening procedure to measure that the content of brim stone, vitriol, sodium ion composition in the Powdered coal gangue particle is whether up to specification to require standard and metering to preserve data, then flyash is imported the break process operation by automatic conveying device.It is included the coal gangue size be broken into piece size diameter≤8cm, it is standby to mix bastard coal building stones fragment half coarse fodder about weight≤0.6kg.

3, processing is met by 〉=6cm, standby powder mix coal ash half coarse fodder of piece weight size 〉=0.2kg, with be broken into by 〉=8mm, weight≤0.6kg left and right sides mixing for standby use bastard coal building stones fragment, cadmium in the flyash is checked out in strictness during according to selected screening procedure, whether standard up to specification decides its consumption to the content of pollutent in the agricultural flyash such as lead, the size of data of metering decides the actual amount size of standby mixing half coarse fodder flyash consumption 40-50% proportional range, according to brim stone in the Powdered coal gangue that tests out, vitriol, the content of the sodium ion composition data whether standard up to specification is also measured, as decision coal gangue consumption is 50-60% proportional range actual amount size, send into special-purpose synthetic balanced sorbent material mechanical processing unit simultaneously respectively, give the full and uniform automatic processing of clock time in 50 fens synthetic after, promptly generate and meet that to produce flyash that meets the use standard and coal gangue that bio-fertilizer enterprise uses bio-fertilizer absorbent material synthesized.

The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.

Claims

1, a kind of flyash and coal gangue are bio-fertilizer adsorbing agent synthesized, it is characterized in that, described fly ash grain diameter≤0.22mm, described coal gangue particle diameter≤0.3mm; Described flyash weight ratio is 40%-50%, and the weight ratio of described coal gangue is 50%-60%.

2, making flyash as claimed in claim 1 and the bio-fertilizer adsorbing agent synthesized method of coal gangue is characterized in that,

Second step, the flyash that first step is finished carries out break process;

Third step, the flyash that second step is finished carries out fine particle, and powder becomes the particle of diameter≤0.22mm;

The 6th step, the coal gangue that the 5th step is finished carries out fine particle, and powder becomes the particle of diameter≤0.3mm;