KR100881217B1 - Mixes the construction waste and the system which manufactures the remaking recycling aggregate - Google Patents

Abstract

An apparatus for manufacturing recycling aggregate by mixing construction wastes is provided to select the aggregate, earth and sand, foreign materials, and fine powder through various processes without selecting aggregate, earth and sand, foreign materials, and fine powder in one process. In an apparatus for manufacturing recycling aggregate by mixing construction wastes comprising a first processing part including a first crusher, a second crusher and a first screen, and a third crusher and a second screen sequentially installed to be linked with each other, a second processing part including a fourth crusher and a third screen installed to be linked with each other, and a mixing machine installed to be linked with bottom parts of the first and second processing parts, the apparatus is characterized in that: the mixing machine comprises: a support(41) which is fixed to the ground, and which has a protrusion(41a) formed on one side of a top part thereof, and a roller(41b) formed on one side of a bottom part thereof; a cylinder(43) which is installed on the top part of the support in a downward inclined direction, and which has a mixing unit formed on an inner peripheral surface thereof and a depressed groove(43a) formed on an outer surface thereof such that the protrusion is inserted into the depressed groove, a sprocket wheel(43b) formed on the outer peripheral surface thereof at the lower side of the depressed groove, and a rubber band(43d) formed on the outer peripheral surface thereof such that the rubber band is brought into contact with the roller; a motor(44) installed on one side of the support to drive a chain wound on the sprocket wheel; a hopper(42) which is formed on one side of the top part of the support and has an extension plate(42a) formed on a bottom part thereof; and a spray nozzle(45) installed at an inlet of the cylinder to spray hydrochloric acid stored in a tank(46) into the cylinder. The mixing unit includes circular blades vertically installed along the circumference of the inner peripheral surface of the cylinder at predetermined intervals, and a plurality of vertical blades installed at the lower side of the circular blades and formed in the form of the teeth of a comb.

Description

Mixing the construction waste and the system which manufactures the remaking recycling aggregate}

The present invention relates to a device for manufacturing recycled aggregates by mixing construction wastes, and in particular, recycled aggregates by mixing construction wastes that can produce recycled aggregates such as recycled sand and gravel using only various wastes without using any natural sand at all. It relates to an apparatus for manufacturing.

Construction waste refers to soil, sand, gravel, earth or mixed soil mixed with rubbish and waste materials, concrete blocks, waste wood, asphalt concrete blocks, and construction sludge. One of the main characteristics of construction waste is that it is mostly composed of inorganic material, which is harmless to the human body, and that various kinds of waste are discharged in a mixed state, and its treatment is complicated and difficult. It is said to provide the cause of indifference between the government and industry regarding waste disposal.

Such indifference entailed a waste of valuable resources and caused deterioration of the quality of the recycled aggregates, and most of the utilization of the recycled aggregates was only used for earthworks, such as fill, cover, and landfill.

Therefore, by realizing the recycling through the management of such wastes, it is necessary to actively minimize the environmental pollution, replace the scarce resources, and reduce the cost of the construction industry base.

Construction waste recycling apparatus according to the prior art, one or more shredders (such as jaw crusher, hammer crusher) for crushing construction waste, a magnetic sorter for sorting the iron lumps contained in the construction waste, a net type for sorting aggregates according to the size Screening screen, each device is made of a conveying means (for example, a conveyor) for transporting construction waste (aggregate).

Construction waste sorting technology according to the prior art has a plurality of sorting screens, transfer conveyors to sort the aggregate (crushed soil, foreign matter, fine powder) by the crusher by size / type (aggregate, soil, foreign matter, fine powder) The back is installed on a large site and the aggregate is passed through the sorting screen to be sorted by aggregate and soil.The transported conveyor transports the selected aggregate and soil to another sorting screen, and the foreign matter contained in the aggregate and the soil (combustible waste). ) And also the differentiation through other screening screens.

Therefore, the construction waste sorting technology according to the prior art does not screen aggregate, soil, foreign matter, and fine powder in one process, but sorts through a plurality of processes. As a result, there was a problem that the initial investment cost is large and labor costs for management are high.

In addition, there is a problem that can not produce high-quality recycled aggregates because the reactivity of the chemical components of the aggregate is not homogeneous.

The present invention has been made to solve the above problems of the prior art, and an object of the present invention is to provide a device for producing recycled aggregates by mixing construction waste that can produce high-quality recycled aggregates.

In addition, it is an object of the present invention to provide a device for producing recycled aggregates by mixing the construction waste that can be screened through a number of processes, not aggregates, soil, foreign matter, fines in one process.

The apparatus for producing circulating aggregates by mixing the construction waste according to the present invention for solving the above problems is the primary crusher for primary crushing the construction waste supplied through the conveyor belt to the standard of 40 ~ 100mm, primary crushing Secondary crusher and the first screen for crushing and sorting the construction waste to the size of 6 ~ 40mm, and the third crusher and the second screen for crushing and sorting the construction waste discharged from the third crusher less than 6mm in order A first processing unit installed in association; A second processing unit connected with a fourth chakra and a third screen for crushing and sorting the waste foundry sand and the waste casted yarn supplied to one side through a conveyor belt to 6 mm or less; It is connected to the lower end of the first and second processing unit is configured to include a mixing machine for mixing the construction waste and waste foundry sand and waste main injector with hydrochloric acid, the mixer is fixed to the ground and the projection is formed on one side of the upper side and the lower side A pedestal with a roller is installed on the top of the pedestal so as to be inclined downward, and a mixing means is provided on an inner circumferential surface so that the construction waste, waste foundry sand, and waste main instructor and hydrochloric acid introduced into the groove may be well mixed, and the protrusion may be fitted on the outer surface. And a sprocket wheel is formed on the lower outer peripheral surface of the groove and a rubber band contacting the roller is formed on the outer peripheral surface, and a motor provided on one side of the pedestal and driving the chain wound on the sprocket wheel; It is provided on the upper side of the inside of the cylinder for construction waste, waste foundry sand and waste cast instructor. It consists of a hopper having an extension plate at the bottom to be supplied to the lower part and an injection nozzle which is installed at the inlet of the cylinder and sprays hydrochloric acid stored in the tank into the cylinder, the mixing means having a predetermined curvature and the circumference of the cylindrical inner peripheral surface A circular blade installed vertically at a predetermined interval along the; It consists of a plurality of vertical blades installed in the form of a comb pattern on the lower side of the circular blade, the plurality of vertical blades are longer in length toward the farther from the side closer to the circular blade.

In addition, a second auxiliary screen is further installed below the second screen.

The apparatus for producing circulating aggregate by mixing the construction waste of the present invention configured as described above can produce circulating aggregate having the same performance as natural sand or natural aggregate using only construction waste, waste casting sand, and waste cast steel without using any natural sand. There is an advantage to this.

In addition, hydrochloric acid is supplied to the circulating aggregate having strong alkalinity, and the hydrochloric acid thus supplied is uniformly mixed with the circulating aggregate by the circular blade and the vertical blade, and thus, there is an advantage of producing the circulating aggregate having a homogeneous performance. Here, the vertical blades are longer in length, so the circulating aggregate and hydrochloric acid are more uniformly mixed while being impacted from the vertical blades at the upper side to the vertical blades at the lower side as the cylinder moves from the inlet to the outlet side.

Hereinafter, with reference to the accompanying drawings an embodiment of the apparatus for producing a recycled aggregate by mixing the construction waste according to the present invention will be described in detail.

1 is a block diagram showing a device for producing a recycled aggregate by mixing construction waste according to the present invention, Figure 2 is a block diagram showing a main portion of the device for producing a recycled aggregate by mixing the construction waste according to the present invention. 3 is a perspective view showing a circular blade and a vertical blade installed in the cylinder of the circulation aggregate manufacturing apparatus according to the present invention.

Construction waste applied to the present invention includes a variety of waste soil, waste brick, waste concrete, waste asphalt concrete, coal ash, briquettes (hereinafter referred to as "construction waste").

First, the present invention is the primary crusher 20a for primary crushing the construction waste supplied through the conveyor belt (10a) (10b) to the standard of 40 to 100mm, and the second crushing and sorting again to 6 to 40mm Secondary crusher 20b and first screen 31a, and third crusher 20c and second screen 31b for tertiary crushing and sorting of construction waste discharged to the second crusher 20b to 6 mm or less. The 1st processing part 1 provided in this order is provided.

At this time, the present invention is provided with a magnetic body (3) for sorting the reinforcing bars included in the construction waste in the vicinity of each conveyor belt (10b) to (10g) for supplying the construction waste.

In addition, a second auxiliary screen 31b 'is further installed below the second screen 31b so that construction waste that has passed through the second auxiliary screen 31b' is collected in the hopper 30b, and the second auxiliary screen is installed. Construction waste that has not passed (31b ') is conveyed to the dump for use in medium-sized aggregates via conveyor belts (10g').

In addition, the present invention is between the second crusher 20b and the first screen 31a, between the third car crusher 20c and the second screen 31b, and the fourth crusher 20d and the third. The blower 4 is provided between the screens 31c and is configured to blow light foreign matter such as wood, vinyl, paper, etc. contained in the construction waste and waste foundry sand and waste cast steel into the collection box 5.

In addition, the present invention is a second processing provided with a fourth chakra (20d) and the third screen (31c) for crushing and selecting the waste foundry sand and the waste cast injector supplied to one side through the conveyor belt (10h) (10i) less than 6mm The part 2 is provided.

The present invention also includes a mixer 40 which is installed at the lower end of the first and second processing parts 1 and 2 so as to mix construction waste, waste foundry sand, and waste cast yarn with hydrochloric acid.

The mixer 40 is fixed to the ground and has a protrusion 41a formed on one side of the top, and a pedestal 41 on which a roller 41b is installed on one side of the bottom, and is installed to be inclined downward on the top of the pedestal 41. Mixing means (44c) is provided on the inner circumferential surface and the groove (43a) is fitted to the outer surface so that the construction waste, waste foundry sand and waste cast steel and hydrochloric acid introduced into the groove (43a) and the groove ( A sprocket wheel 43b is formed on the lower outer circumferential surface of 43a), and a rubber band 43d contacting the roller 41b is provided on a cylinder 43 formed on the outer circumferential surface, and on one side of the pedestal 41, and the sprocket wheel 43 A motor 44 for driving the chain 44a wound around 43b) and an upper end side of the pedestal 41 are provided to extend the lower portion to supply construction waste, waste foundry sand, and waste main lecturer to the inside of the cylinder 43. Hopper 42 provided with plate 42a, and cylinder 43 Installed in the inlet and consists of a spray nozzle 45 for spraying hydrochloric acid stored in the tank 46 into the interior of the cylinder.

Here, when the chain 44a of the motor 44 rotates in engagement with the sprocket wheel 43b formed on the upper side of the cylinder 43 and rotates the cylinder 43, the uniform rotational force of the motor 44 is reduced by the cylinder 43. It may not be transmitted well to the bottom of the), but by installing the roller (41b) on the pedestal 41 there is an effect to support the cylinder 43 and to rotate the cylinder 43 uniformly.

The mixing means 44c has a predetermined curvature and has a circular blade 44c-1 vertically installed at regular intervals along the circumference of the inner circumferential surface of the cylinder 43, and has a comb-toothed shape below the circular blade 44c-1. It consists of a plurality of vertical blades (44c-2) that are installed.

The plurality of vertical blades 44c-2 are longer in length from the closer to the circular blade 44c-1.

In addition, the present invention is located at the top of the mixer 40, the upper portion is wide open at the same time the lower portion is provided with a narrow body 51, the inside of the body 51 is inclined to one side to shift mutually The mixer 50 is provided with a plurality of inclination plate 52 is further configured.

At this time, the present invention is configured to further install one or more dust collectors 54, 54a on the top of the body 51 of the mixer 50.

Referring to the operation of the apparatus for producing a circulating aggregate by mixing the construction waste according to the present invention configured as described above are as follows.

First, in the process of conveying the construction waste to one side through the conveyor belt (10a) (10b), the reinforcing bar by the magnetic material (3) and then the construction waste as the primary crusher (20a) of 40 ~ 100mm 1 Will be crushed.

Thereafter, the first crushed construction waste is introduced into the secondary crusher 20b through the conveyor belt 10c and crushed into 6-40 mm, and the oversized secondary crusher 20b passes through the first screen 31a. The crushed material passed through the screen 31a is transferred to the tertiary crusher 20c.

Subsequently, the secondary crushed construction waste is shredded to 6 mm or less in the tertiary crusher 20c and then passed through the second screen 31b, and the oversize is reinserted into the tertiary crusher 20c, and the screen 31b is used. The crushed product passed through is introduced into the mixer 50 through the conveyor belt 10f.

On the other hand, the present invention after shredding and screening the waste foundry sand and the waste cast inlet conveyed to one side through the conveyor belt (10i) to 6mm or less by the fourth chakra (20d) and the third screen (31c) and then conveyor belt (10k) Through the input to the mixer 50.

The present invention is provided with a mixer 50 before the construction waste discharged through the conveyor belt (10f) of the one side and the waste foundry sand and waste cast steel discharged through the conveyor belt (10k) of the other side is introduced into the mixer (40). They are mixed together while passing through the plurality of inclined plates 52.

That is, the construction waste, waste foundry sand, waste cast injector injected into the mixer 50 are mixed with each other while passing through a plurality of inclined plates 52, in which the control valve 6 is provided at the bottom of the mixer 50, and the mixture is mixed downward. The emission of construction waste, waste foundry sand and waste cast instructor will be controlled.

In addition, the upper part of the mixer 50 is provided with a dust collector (54, 54a) to suck the dust generated as the construction waste, waste foundry sand, waste cast instructor falls to remove it.

Construction waste, waste foundry sand, waste cast steel mixed while passing through the mixer 50 as described above is introduced into the mixer 40 and discharged again.

That is, the material introduced into the cylinder 43 through the input hopper 42 is moved to one side while being mixed by the cylinder 43 which is rotated by the driving of the motor 44, wherein the mixer 40 is used. When injected into the appropriate amount of hydrochloric acid through the injection nozzle 45 provided on one side of the strong alkaline waste foundry sand and waste cast steel is changed to neutral and weak alkalinity to be safe against corrosion to be able to produce high quality recycled sand do.

In more detail, the material introduced into the hopper 42 is easily introduced into the cylinder 43 by the lower extension plate 42a. In this case, the cylinder 43 is rotated by the driving of the motor 44 and the chain 44a, and the protrusion 41a and the groove 43a are separated from the outside in the process of rotating the cylinder 43. Will be prevented.

As described above, when the cylinder 43 rotates, the mixing means 44c formed on the inner circumferential surface rotate together to transfer and feed the material introduced into the cylinder 43 to one side. In this case, the injection nozzle installed at the inlet of the cylinder 43 In 45, hydrochloric acid stored in the tank 46 is ejected into the cylinder 43. Here, the circular blade (44c-1) serves to collect the material coming into the cylinder 43 to one side, the vertical blade (44c-2) is longer the longer the circular blade (44c-1) the longer the length Since the material injected through the circular blade 44c-1 falls down as it passes each vertical blade of the plurality of vertical blades 44c-2, it is mixed with hydrochloric acid once more by the impact. Thus, a homogeneous aggregate can be obtained.

When hydrochloric acid is ejected into the cylinder 43 as described above, the waste casting sand and the waste casting yarn which are conveyed to one side while being mixed with the material make neutral and weak alkalinity.

As described above, the reclaimed sand having passed through the cylinder 43 is transported to a predetermined place by the conveyor belt 10k and loaded.

Since the construction waste, waste foundry sand, and waste steel instructor required for the reclaimed sand applied to the present invention are wastes, they are supplied with waste processing costs from construction sites or steel and steel companies immediately at various waste discharge companies. Has the advantage of being relatively inexpensive compared to natural sand.

1 is a block diagram showing a device for producing a recycled aggregate by mixing the construction waste according to the present invention.

Figure 2 is a block diagram showing a main portion of the apparatus for producing a recycled aggregate by mixing the construction waste according to the present invention.

Figure 3 is a perspective view showing a circular blade and a vertical blade installed in the cylinder of the circulation aggregate manufacturing apparatus according to the present invention.

Figure 4 is a sectional view showing a circular blade and a vertical blade installed in the cylinder of the circulation aggregate manufacturing apparatus according to the present invention.

<Explanation of symbols on main parts of the drawings>

10a ~ 10L: Conveyor Belt 20a ~ 20c: Krasha

30a-30c: Hopper 40: Mixer

50: Mixer

Claims (4)

Primary crusher 20a for primary crushing of construction waste supplied through conveyor belts to 40-100mm standard, and secondary crusher 20b for crushing and sorting primary crushed construction waste to 6-40mm standard And a first process in which the first screen 31a and the third screen 20c and the second screen 31b are sequentially connected and installed to crush and sort the construction waste discharged from the secondary crusher 20b to 6 mm or less. Part (1); A second processing unit 2 in which a fourth chakra 20d and a third screen 31c are crushed and disposed to crush and sort the waste foundry sand and the waste casted yarn supplied to one side through a conveyor belt to 6 mm or less; It is installed in the lower end of the first and the second processing unit (1,2) to mix the construction waste consisting of a mixer (40) for mixing construction waste and waste foundry sand and waste main injector with hydrochloric acid to produce a circulating aggregate In the apparatus, The mixer 40 is fixed to the ground and the protrusion 41a is formed on one side of the top and a pedestal 41 having a roller 41b installed on one side of the bottom, and installed downwardly on the top of the pedestal 41. Mixing means (44c) is provided on the inner circumferential surface and the groove (43a) is fitted to the outer surface so that the construction waste, waste foundry sand and waste cast steel and hydrochloric acid introduced into the groove (43a) and the groove ( A sprocket wheel 43b is formed on the lower outer circumferential surface of 43a), and a rubber band 43d contacting the roller 41b is provided on a cylinder 43 formed on the outer circumferential surface, and on one side of the pedestal 41, and the sprocket wheel 43 A motor 44 for driving the chain wound around 43b) and an extension plate 42a at a lower portion of the upper portion of the pedestal 41 so as to supply construction waste, waste foundry sand, and waste cast yarn to the inside of the cylinder 43. ) Is provided with a hopper 42 and the mouth of the cylinder 43 Is installed in the sphere and consists of a spray nozzle 45 for spraying the hydrochloric acid stored in the tank 46 into the interior of the cylinder, The mixing means 44c has a predetermined curvature and has a circular blade 44c-1 vertically installed at regular intervals along the circumference of the inner circumferential surface of the cylinder 43, and has a comb-toothed shape below the circular blade 44c-1. A plurality of vertical blades (44c-2) which are installed as; Construction waste apparatus by mixing the construction waste characterized in that consisting of. The method according to claim 1, The plurality of vertical blades (44c-2) is a device for producing a circulating aggregate by mixing the construction waste, characterized in that the length is gradually longer toward the farther from the side closer to the circular blade (44c-1). The method according to claim 2, A device for manufacturing recycled aggregates by mixing construction wastes, characterized in that the second sub-screen (31b ') is further installed on the lower side of the second screen (31b). The method according to claim 3, Between the lower end of the tertiary crusher 20c and the upper end of the mixer 40 is provided with a mixer 50 for mixing construction waste, waste foundry sand and waste main instructor, The mixer 50 has a wide open upper portion and a narrow hole in the lower portion (); Apparatus for manufacturing a circulating aggregate by mixing the construction waste, characterized in that consisting of; a plurality of inclined plate 52 inclined toward one side to shift to the inside of the body (50).

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