CN101830043A

CN101830043A - Production device and production method of waste clay asphalt modifier

Info

Publication number: CN101830043A
Application number: CN201010179352A
Authority: CN
Inventors: 李滢
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-20
Filing date: 2010-05-20
Publication date: 2010-09-15

Abstract

The invention belongs to the technical field of pavement materials, in particular to a production device and a production method of a waste clay asphalt modifier. The production device is formed by connecting an automatic blending system, a reciprocating screw extruder, a single-screw extruder, an air cooling granulator, a blower, a primary cyclone drying tank, a vibration screen, a blower, a secondary cyclone drying tank, a feeding machine, a packing machine, a sealing machine and the like together by pipelines. The production device has convenient operation and high product qualification rate; and main raw materials are waste clay, so that the invention changes wastes into valuables and does not pollute the pollution. The asphalt modifier produced by the production device can be directly mixed and stirred with asphalt to prepare modified asphalt, or can be directly fed into a mixing machine of asphalt concrete; the prepared modified asphalt mixer is quite convenient to use; and the performances of the prepared modified asphalt mixer completely meets the technical requirement.

Description

A kind of process units of waste clay asphalt modifier and production method

Technical field

The invention belongs to the ground surface material technical field, be specifically related to a kind of process units and production method of waste clay asphalt modifier.

Background technology

Useless carclazyte is in the oil and fat refining process, grease is carried out adsorption bleaching to be handled, after losing activity after the hot pressing filter, can't utilize once more, and produce contain the useless carclazyte of grease, be the sludge residue of a kind of black or grey, contain heterocycle hydrocarbon such as the oil of 5%-35% and a certain amount of colloid, asphalitine, sulfur-bearing oxygen, nitrogen and alkadienes, unsaturated hydrocarbons and fragrance usually and belong to materials such as hydrocarbon.Annual this class waste residue of discharging of China reaches more than the few hundred thousand tonnes of.After domestic general usefulness is further squeezed or means such as wash-out reclaim wherein part oil, promptly fill out, bury, waste treatment such as heap.Chinese patent: the patent No. 200510035206.9 " containing the useless clay treatment technology of grease " provides a kind of de-oiling rate Gao Bingneng to make the de-oiling clay regeneration, the recycling technology of utilizing that contains the useless carclazyte of grease; Chinese patent: the patent No.: 91107392.2 " useless clay dregs comprehensive utilization new methods " place a device of being made up of vacuum heater and condenser by the clay dregs that will give up, the oil that distills is reclaimed in condensation, again that de-oiling is sticking useless clay dregs is pulverized the modified filler that even Cheng Chengyi has reinforcing property, be applied in the rubber, substitute the inorganic filler and the part carbon black of now general powdery.

Above patent provides certain methods to the comprehensive utilization of useless carclazyte, but the requirement that the quality of oil quality that reclaims and regeneration carclazyte does not all reach new product, and the processing technology more complicated.

Pitch is a kind of high-molecular hydrocarbons of complexity, and the road surface that is used to lay is a kind of jointless continuity road surface, and the driving vibration is little, and noise is low, and open to traffic is fast, and maintenance is easy, is the important structure form on China road surface.But because the sharp increase of modern road traffic flow, the axle of freight is heavy constantly to be increased, and requires further to improve road surface resistance to flow, the i.e. ability of anti-rut under the high temperature; Improve flexibility and elasticity, the i.e. ability of cracking resistance under the low temperature; Improve the abrasion performance ability and increase the service life.Therefore, pitch is carried out modification, make it adapt to above-mentioned harsh instructions for use, caused people's attention.At present, adopting modified pitch to solve the problem of road surface anti-high and low-temp, antiskid, durability and large bearing capacity, is one of current domestic and international advanced technology.

Waste clay asphalt modifier process units of the present invention uses in the oil and fat refining process, generation contain the useless carclazyte of grease, produce asphalt modifier and be applied to pavement material, for the application of useless carclazyte provides a kind of new method.Process units of the present invention and produce the example of asphalt modifier with useless carclazyte there is no report.

Summary of the invention

The object of the present invention is to provide a kind of process units and production method of waste clay asphalt modifier, relate to the comprehensive utilization that contains the useless carclazyte of grease.

The process units of the waste clay asphalt modifier that the present invention proposes; connected to form by the road by automatic batching system, reciprocating screw extruder, single screw extrusion machine, air-cooled pelleter, air blast, one-level cyclone drying jar, vibratory sieve, air blast, cyclone drying jar, feeder, packing machine, sack closer, its structure as depicted in figs. 1 and 2.Wherein, automatic batching system 1 directly is connected with reciprocating screw extruder 2, the extrusion of reciprocating screw extruder 2 is connected with single screw extrusion machine 3, and the die head of single screw extrusion machine 3 is connected with air-cooled pelleter 4, and air-cooled pelleter 4 lower part outlet pipes are communicated with first air blast 5; The pipeline of first air blast 5 is connected with one-level cyclone drying jar 6 tops, the bottom of cyclone drying jar 6 is connected with vibratory sieve 7, second air blast 8 is connected with the entrance point of vibratory sieve 7, the other end of vibratory sieve 7 is provided with feed opening, be connected with the 3rd air blast 9, the pipeline of the 3rd air blast 9 is connected with secondary cyclone drying jar 10 tops, secondary cyclone drying jar 10 bottoms are connected with feeder 11, feeder 11 is connected with packing machine 12, product is packed into by packing machine 12 bottoms after the packaging bag, is sealed by sack closer 13.

The method that the process units that utilizes the present invention to propose is produced clay asphalt modifier, concrete steps are as follows: (accompanying drawing 3)

The material of clay asphalt modifier is added reciprocating screw extruder 2 respectively by automatic batching system 1 (the feeding amount is regulated arbitrarily by the PLC control system), the reciprocating screw extruder is pressed the characteristic of material, be preheating to the temperature (design temperature 50-220 ℃) of regulation, under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification, enter single screw extrusion machine 3 then, make material further mix, plastify, and temperature is controlled at optimum temperature (design temperature 120--180 ℃), extrude through die head.Air-cooled pelleter 4 with die head links together with the material of just having extruded, under the cutting knife of rotation at a high speed, is cut into the particle of 1-2 millimeter length.The blower fan on air-cooled pelleter top is sent into material in the export pipeline of air blast 5; under the effect of wind-force; material enters one-level cyclone drying jar 6; behind preliminarily dried, enter the import of vibratory sieve 7 from the bottom; air blast 8 is under the effect of wind-force; with material further dry, screening in vibratory sieve 7; enter the export pipeline of air blast 9 from export pipeline; under the effect of wind-force; after material enters secondary cyclone drying jar 10 continuation dryings; send into packing machine 12 by feeder 11, after weighing automatically, enter packaging bag and seal by sack closer 13.

This asphalt modifier is made of the component of following parts by weight:

100 parts of useless carclazytes;

SBS 40-100 part;

Aromatic naphtha 20-30 part;

Sodium phosphate trimer 1-3 part;

Lubricant 5-15 part;

Stabilizing agent 0.1-0.3 part.

The waste clay asphalt modifier of process units production of the present invention is a graininess, can directly be invested in the mixing machine of bituminous concrete, also can stir, mix, melt with pitch earlier bloated, be prepared into modified pitch after, use high-temperature pipe to be transported in the mixing machine, the preparation bituminous concrete.

The waste clay asphalt modifier that process units of the present invention is produced stores, transportation, uses all very conveniently, and product quality reaches the requirement of modified pitch fully.

Description of drawings

Fig. 1 is apparatus of the present invention plane.

Fig. 2 is apparatus of the present invention elevation.

Fig. 3 is a process chart of the present invention.

Number in the figure: 1 for having the automatic batching system of weighing device, and 2 is the reciprocating screw extruder, and 3 is single screw extrusion machine; 4 is air-cooled pelleter; 5 is first air blast, and 6 is one-level cyclone drying jar, and 7 is vibratory sieve; 8 is second air blast; 9 is the 3rd air blast, and 10 is secondary cyclone drying jar, and 11 is feeder; 12 is packing machine, and 13 is sack closer.

The specific embodiment

The layout of process units of the present invention as depicted in figs. 1 and 2.Further specify the present invention below by an example:

1. waste clay asphalt modifier is made of the component of following column weight amount umber:

Compositions such as useless carclazyte, SBS, aromatic naphtha, activator, lubricant, stabilizing agent, concrete prescription is determined according to technological requirement.

2. process units is bought rations by following requirement:

Automatic batching system 1, reciprocating screw extruder 2 and single screw extrusion machine are chosen from market.Per hour production capacity is 600 kilograms-800 kilograms, and the reciprocating screw extruder adopts the 160kW adjustable speed motor, and single screw extrusion machine adopts the 55kW adjustable speed motor, and temperature of charge is 50-220 ℃.Air-cooled pelleter 4,

air blast

5,8,9, and one-level cyclone drying jar 6 vibratory sieves 7, secondary cyclone drying jar 10, feeder 11, packing machine 12, sack closer 13 is also chosen by market.(generally by supporting the providing of reciprocating screw extruder manufacturer) every equipment of being chosen by market, the production capacity that should take into full account with main process equipment is complementary.

3. production method:

Material is by automatic batching system 1 (the feeding amount is preestablished by the prescription of PLC control system according to concrete technological requirement), add reciprocating screw extruder 2 respectively, the reciprocating screw extruder is pressed the characteristic of material, (design temperature 50-220 ℃), under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification, enter single screw extrusion machine 3 (design temperature 120--180 ℃) then, make material further mix, plastify, and temperature is controlled at optimum temperature, extrude through die head.Air-cooled pelleter 4 with die head links together with the material of just having extruded, under the cutting knife of rotation at a high speed, is cut into the particle of 2-3 millimeter length.Wind-force is sent into particle the pipeline of air blast 5 from the bottom of air-cooled pelleter 4; under the effect of wind-force, material sent into one-level cyclone drying jar 6; behind preliminarily dried, enter the import of vibratory sieve 7 from the bottom; air blast 8 is under the effect of wind-force; material is further dry in vibratory sieve 7; sieve removes to be greater than or less than the particle of 2-3 millimeter simultaneously; enter the export pipeline of air blast 9 from export pipeline; under the effect of wind-force; after material enters secondary cyclone drying jar 10 continuation dryings; send into packing machine 12 by feeder 11, after weighing automatically, enter packaging bag and seal by sack closer 13.

Apparatus of the present invention are easy to operate, and the modified bitumen product qualification rate height of production, capability and performance are stablized, the kind prescription is adjustable arbitrarily, handling safety is reliable, adaptive capacity is strong, non-pollution discharge.

Apparatus of the present invention have applied to suitability for industrialized production.

Process units of the present invention is not limited to the foregoing description.

Claims

1. the process units of a waste clay asphalt modifier is characterized in that being connected to form by the road by automatic batching system, reciprocating screw extruder, single screw extrusion machine, air-cooled pelleter, air blast, one-level cyclone drying jar, vibratory sieve, air blast, cyclone drying jar, feeder, packing machine, sack closer; Wherein, automatic batching system directly is connected with the reciprocating screw extruder, and the extrusion of reciprocating screw extruder is connected with single screw extrusion machine, and the single screw extrusion machine die head is connected with air-cooled pelleter, and air-cooled pelleter lower part outlet pipe is communicated with first air blast; The pipeline of air blast, first air blast is connected with one-level cyclone drying jar top, the bottom of cyclone drying jar is connected with vibratory sieve, second air blast is connected with the entrance point of vibratory sieve, the other end of vibratory sieve is provided with feed opening, is connected with the 3rd air blast, and the pipeline of the 3rd air blast is connected with secondary cyclone drying jar top, secondary cyclone drying jar bottom is connected with feeder, feeder is connected with packing machine, and product is packed into by the packing machine bottom after the packaging bag, is sealed by sack closer.

2. process units according to claim 1, it is characterized in that: automatic batching system, reciprocating screw extruder and single screw extrusion machine be 600 kilograms-800 kilograms of production capacity per hour, the reciprocating screw extruder adopts the 160kW adjustable speed motor, and single screw extrusion machine adopts the 55kW adjustable speed motor.

3. method of utilizing process units as claimed in claim 1 to produce clay asphalt modifier is characterized in that concrete steps are as follows:

The material of clay asphalt modifier is added the reciprocating screw extruder respectively by automatic batching system, the reciprocating screw extruder is pressed the characteristic of material, be preheating to the temperature of regulation, design temperature 50-220 ℃, under the effect of machine inner screw and kneading piece, make mixing of materials, fusion, shearing, modification; Enter single screw extrusion machine then, make material further mix, plastify, and temperature is controlled at 120--180 ℃, extrude through the die head of single screw extrusion machine; Air-cooled pelleter with die head links together with the material of just having extruded, under the cutting knife of rotation at a high speed, is cut into the particle of 1-2 millimeter length; The blower fan on air-cooled pelleter top is sent into material in the export pipeline of first air blast, and under the effect of wind-force, material enters one-level cyclone drying jar; Enter the import of vibratory sieve behind preliminarily dried from the bottom, second air blast is under the effect of wind-force, with material further dry, screening in vibratory sieve 7; Enter the export pipeline of the 3rd air blast from export pipeline, under the effect of wind-force, material enters secondary cyclone drying jar continue drying after, send into packing machine by feeder, after weighing automatically, enter packaging bag and seal by sack closer;