KR100441286B1 - sand and gravel a manufacturing device - Google Patents

Abstract

PURPOSE: To provide an aggregate production apparatus which not only improves productivity and efficiency, but also produces high quality aggregate such as natural aggregate to be suitably used as a material for concrete by removing stone and sand, dust, foreign materials and miscellaneous waste from crushed gravel or waste stone powder. CONSTITUTION: In an aggregate production apparatus comprising a crusher, a storage tank, first sorting machine, first specific gravity separator, second specific gravity separator, first cyclone type dust collector, second dust collector, second sorting machine and a water washing sorting machine (90), the apparatus is characterized in that the water washing sorting machine comprises a sorting tank (91) in which a certain amount of water is contained, a lower part of which is formed in a conical shape, on an inner part of which inclined plates are formed, and which is installed on an upper part of a frame; a conical sorting drum (92) which is installed inside the sorting tank with being inclined to a certain slope, on the inner circumferential surface of which a spiral aggregate transfer plate (92d) is formed, which is rotated by driving of a speed reducer motor (92a), and at one side of which a plurality of discharge blades (92c) are formed to pull up foreign materials; a transfer screw (93) longitudinally installed in an inner part of the lower side of the sorting tank; air injection pipes (94) longitudinally installed at both outer sides of the sorting drum; an injection conveyor (95) installed from the outer side of the sorting tank to the inside of the sorting drum to inject aggregate; an aggregate discharge conveyor (96) positioned at the lower side of the sorting drum and installed with being inclined from the inside to the outside of the sorting tank; a foreign material discharge conveyor (97) installed from the lower side of the discharge blades inside the sorting drum to the outside; and a discharge screw (98) installed upright to a certain height on an outer part at one side of the transfer screw.

Description

Aggregate manufacturing apparatus {sand and gravel a manufacturing device}

The present invention relates to an aggregate manufacturing apparatus for producing aggregates such as sand and gravel from crushed stone powder, waste concrete such as waste concrete, or masato, etc., and waste stone powder or recycled aggregate derived from a process of producing aggregate in a crusher workshop. It is possible to use sand and gravel by removing unnecessary fine particles such as stone powder and soil, dust, cement oxide powder, and fine powder as aggregates from physical properties such as stone powder or slag, sand, and masato (hereinafter referred to as waste stone powder). It relates to an aggregate manufacturing apparatus to produce at a granularity.

In general, aggregates such as sand or gravel used for concrete are mostly collected from rivers, rivers or the sea, washed with water, and produced according to specifications, or crushed in recycling crushing sites of quarries or waste concrete. Aggregate is produced and used by work.

However, recently, the collection of aggregates in rivers, rivers, and seas is a major problem due to the destruction of the natural environment and the depletion of resources. Also, the production of aggregates in waste concrete recycling crushing sites is not only stone powder and cement oxide powder. It is not only unreasonable to produce sand and fine aggregates due to the excessive inclusion of foreign matter such as trash, but it is also a serious reality that even materials for road fill are not used and are left unattended at the workplace, and even low quality aggregates are not produced. Occurrence and waste sludge generation cause serious pollution of the natural environment.

Conventionally, an aggregate manufacturing method for collecting aggregate from stone powder or recycled aggregate stone powder is known in view of the above problems, but this conventional method simply removes foreign matter and fine particles by washing or holding stone powder with water. As a result, problems of environmental pollution due to wastewater treatment, waste sludge and dust treatment, which have been washed with stone powder, were inevitable, and even if there is another known manufacturing process, the cost of excessive facility investment to solve such problems Practicality is not shown due to the increase and the limit of production capacity.

In addition, the aggregate produced in the above manner did not evenly distribute the particles according to the standard, as well as soils, vinyl chips, wood chips, tree roots, and other debris such as trash and cement oxide powder. It was a low quality material that could not guarantee the quality as an aggregate because of its low strength and high water absorption when used as a solvent.

Applicant to the "aggregate manufacturing method and manufacturing apparatus" to produce high quality aggregates as a material for concrete by removing soil, dust, fine powder and cement oxide powder and garbage from waste stone powder to solve these problems As a related technology, it has been filed as a Patent Application No. 2002-0034658, Utility Model Registration Dual Application No. 2002-0018751, Patent Application No. 2002-0046602, and Patent Application No. 2002-0055420.

The present invention is to provide another improved embodiment of the technology related to the "aggregate manufacturing method and manufacturing apparatus" previously filed by the present applicant, the crushed gravel generated in the crushing or recycled crushing site of waste concrete or Provides aggregate production equipment that improves productivity and efficiency while producing high quality natural aggregates suitable for concrete materials by removing soil, dust, cement oxide fine powder (hereinafter referred to as foreign substances) and trash from waste stone powder. The purpose of the present invention is to.

The aggregate manufacturing apparatus according to the present invention includes a crusher for crushing stones and gravel having a large particle size in a waste stone powder to a predetermined standard or less, a storage tank in which the crushed waste stone powder is stored in an appropriate amount, and a large particle aggregate mixed with waste stone powder supplied from the storage tank; First-class separator that selectively removes foreign substances such as vinyl chips, waste wood, tree roots, and steel, and aggregates having a high specific gravity and small-scale foreign matter due to compressed air and strong blowing force. Sediment, dust, and cement oxide fine powder) is separated by scattering and segregation to remove the segregation, the primary gravity separator, and to collect the aggregate and the large specific gravity and small specific gravity again from the collected aggregate and remove segregation A secondary gravity separator for collecting aggregate, a primary dust collector for collecting foreign matter having a small specific gravity separated from aggregate in the primary and secondary gravity separators, and the primary dust collector And a secondary dust collector for capturing the foreign materials excessive fine particles, is composed of the second separator and washing with water separator for screening the aggregates collected from the secondary portion of the separator to the large and small particle size.

1 is a flow chart of the manufacturing process by the aggregate manufacturing apparatus according to an embodiment of the present invention

2 is a general configuration of the aggregate manufacturing apparatus according to the present invention

3 is an installation state diagram of the primary separator according to the present invention;

Figure 4 is a main operation state diagram of the primary separator according to the present invention

5 and 6 are cross-sectional view of the installation state of the primary and secondary gravity separator according to the present invention

7 is a main cross-sectional view of the specific gravity separator according to the present invention;

8 is a side view of main parts of the specific gravity separator according to the present invention;

9 and 10 are cross-sectional view of the operating state of the water washing sorter according to the present invention

11 is a side view of the water washing sorter according to the present invention

12 is a cross-sectional view of the operating state of the primary dust collector according to the present invention

Figure 13 is a cross-sectional view of the operation state of the secondary dust collector according to the present invention

Figure 14 is a sectional view of the main part of the operating state of another embodiment of the primary dust collector according to the present invention;

15 is a general configuration of another embodiment of the aggregate manufacturing apparatus according to the present invention

Figure 16 is an overall configuration of another embodiment of the aggregate manufacturing apparatus according to the present invention

[Explanation of symbols on the main parts of the drawings]

10: crusher 20: reservoir 30: primary separator

32: sorting drum 33: blower 34: rotary drum

40: primary gravity separator 41: separation tank 42: hollow shaft

43: rotary blade 44: injection pipe 45: hopper

46: motor 48: suction fan 50: secondary gravity separator

60: primary dust collector 61: outer cylinder 62: inner cylinder

67: filter case 70: secondary dust collector 71: outer cylinder

72: inner cylinder 75: partition plate 76: filter case

76a: bag filter 77: suction fan 78: shade

80: 2nd separator 90: Water washing separator 91: Sorting tank

92: selection drum

The present invention is to produce a high-quality sand and gravel suitable for concrete utilizing waste stone powder or crushed gravel to be disposed of, the aggregate manufacturing apparatus of an embodiment according to the present invention in Figures 1 to 16 shown in the drawings The composition of the is shown in detail.

First, with reference to Figure 1 will be described in detail with respect to the aggregate manufacturing method according to the aggregate manufacturing apparatus of the present invention for producing aggregate (sand, gravel) from waste stone powder or crushed gravel.

Aggregate manufacturing method according to the aggregate manufacturing apparatus of the present invention is a crushing process (100) for crushing the stone and gravel having a large particle size in the waste stone powder or crushed gravel generated in the quarries and waste concrete recycling crushing plant below a certain standard; A storage step 101 for storing and supplying the crushed waste stone powder; A primary screening process (102) for selectively removing foreign matters such as vinyl chips, waste wood, tree roots, iron materials, and aggregates with large particle size from the waste stone powder to be supplied; An input step (103) for receiving and inputting waste-rock powder in a relatively selected state through the primary screening process; A primary specific gravity separation process 104 for separating aggregates having a large specific gravity and foreign matters having low specific gravity (soil, dust, cement oxide fine powder) from the waste stone powder introduced by the input process and collecting segregation by removing segregation; Receiving the aggregate collected through the first specific gravity separation process and again separating the large specific gravity and the small specific gravity foreign matter and removing segregation to collect the aggregate by the second specific gravity separation process 105; Primary dust collection processes (106) (106a) for collecting foreign matter having a small specific gravity separated from the aggregate in the primary and secondary specific gravity separation processes; A secondary dust collecting step (107) of collecting foreign matters of fine particles that have passed the primary dust collecting step; A particle size adjusting sorting step 108 and a water washing sorting step 108a for sorting the aggregate collected in the second specific gravity separation step into a large and small particle size; It consists of a loading step (109) for loading in order to ship the aggregate of sand and gravel selected in the above.

Waste stone powder or crushed gravel generated in the recycling crushing plant of seoksan and waste concrete are mixed with stones or gravel with large particle size as unnecessary aggregates. Crush to a suitable particle size of 6 ~ 8mm or less.

Waste stone powder passed through the crushing process 100 is put into the storage process 101 to store the waste stone powder in an appropriate amount to block moisture from rain or snow and to maintain a dry state to enable continuous supply, waste stone powder in the storage process 101 The primary screening process (102) to be supplied is made of waste stone powder in a relatively selected state by selecting and removing foreign substances such as vinyl chips, waste wood, tree roots, and iron aggregates mixed with waste stone powder and particles having a large particle size, and inputting them. Provided at 103.

At this time, when the waste stone powder provided to the input step 103 through the primary screening process 102, the moisture content is excessive, such as aggregates having a large specific gravity and foreign matters having a small specific gravity (soil, dust, fine cement oxide powder), etc. In this case, since the separation effect is reduced, the waste-rock powder in a relatively selected state through the primary selection process 102 is introduced into the drying process 110 and sufficiently dried, and then provided to the input process 103.

Drying process 110 is to dry the waste-rock powder sufficiently by using a dryer of the known technique that is heated to 300 ~ 400 ℃, this drying process 110 is not only to increase the separation effect of the aggregate and foreign matter and the existing aggregate and The separation and separation effect of the fine cement oxide powder will be enhanced.

In the above-described primary screening process 102 blows and removes the light vinyl scrap or waste wood while blowing the waste stone powder provided in the storage process 101 by blowing, as an aggregate using a known aggregate sorter Unnecessarily large stones, tree roots, and irons are sorted out and removed.

Waste stone powder in a relatively selected state through the primary screening process 102 is continuously introduced into the primary specific gravity separation process 104 through the belt conveyor or screw conveyor of the input process (103).

Here, the primary specific gravity separation process 104 is applied by the compressed air 111 and a strong blowing force to the waste-rock powder to be introduced to scatter the foreign matter with a small specific gravity in the sealed space to inhale and separate from the aggregate and the aggregate with a large specific gravity falls As the segregation is aggregated in the state of segregation and collision wear is removed, the various foreign matter separated from the aggregate is sucked and transported to the primary dust collection process 106, the collected aggregate is provided to the secondary specific gravity separation process 105. .

The secondary specific gravity separation process 105, in which the aggregate collected in the primary specific gravity separation process 104 is provided, applies compressed air 112 and a strong blowing force to the aggregate that is sequentially input like the primary specific gravity separation process. Small amounts of mixed foreign matter are separated from the aggregate by inhaling by scattering them in a closed space. Aggregates are collected in a state where segregation is collided and removed as the aggregate with high specific gravity falls. Suction is conveyed to the secondary dust collecting process 106a, where the collected aggregate is provided to the particle size adjusting sorting process 108.

On the other hand, the primary dust collecting step (106) (106a) is a process for collecting the foreign matter having a large particle and the specific gravity among the foreign matter in the primary and secondary specific gravity separation process (104, 105), each of the foreign matter is sucked and transported separately. By using the cyclone dust collection method and the bag filter of the known technology, it is possible to collect the foreign matter having large particles, and the foreign matter of the fine particles passing through the primary dust collecting process 106 and 106a is returned to the secondary dust collecting process 107. Suction is transported.

The secondary dust collecting step 107 is a process for collecting finer particles using a cyclone dust collecting method and a bag filter like the primary dust collecting process, wherein the collected dust is 0.074 mm or less and is a mixed material of asphalt. Produced and shipped to Fila and filtered air is vented to the atmosphere.

On the other hand, the aggregate provided as the particle size adjustment screening process 108 in the secondary specific gravity separation process 105 is selected by the particle sorter of sand and gravel suitable for the use by the aggregate selector of the known technique here, and the loading process using a belt conveyor ( 109) is loaded and shipped.

In addition, the present invention is to put the aggregate collected in the secondary specific gravity separation process 105 as needed into the water washing sorting process (108a) to wash the fine dust adsorbed on the aggregate while the sand and gravel suitable for use By sorting by granularity and transferring the selected aggregate to the loading process 109, higher quality sand and gravel can be produced.

The aggregate production method of the present invention is to crush the stone or gravel with a large particle size mixed with waste stone powder or crushed gravel to a certain size through the crushing process (100), vinyl scrap, waste wood, Remove foreign substances such as tree roots and iron, and then scatter the foreign matter (soil, dust, cement oxide fine powder) mixed with waste stone powder or aggregate in the primary and secondary specific gravity separation process (104) (105). Separation, foreign matter unnecessary as aggregate is sucked and transported to the primary and secondary dust collection processes (106) (106a) and (107) to be collected, and the aggregate collected in the secondary specific gravity separation process (105) is a particle size adjustment screening process. (108) or by producing a suitable particle size through the water washing screening process (108a), it is to prevent the environmental pollution due to dust and sludge generation pollution due to waste water treatment.

Next, the configuration of the aggregate manufacturing apparatus according to the present invention for producing aggregate (sand, gravel) as the main raw material of waste stone powder or crushed gravel will be described in detail with reference to FIGS. 2 to 16 shown in the drawings.

The overall configuration of the aggregate manufacturing apparatus according to the present invention is a crusher (10) for crushing stone and gravel having a large particle size in the waste stone powder or crushed gravel generated in the crushing stone and waste concrete recycling crushing plant below a certain standard; A storage tank 20 in which waste stone powder crushed by the crusher 10 is stored in an appropriate amount; A primary separator 30 for selectively removing foreign substances such as vinyl chips, waste wood, tree roots, and iron aggregates from the waste stone powder supplied from the storage tank 20; By applying compressed air and a strong blowing force to the waste-rock powder provided by the primary separator 30 to scatter foreign matters (soil, dust, cement oxide fine powder) having a small specific gravity to separate from the aggregate having a high specific gravity and impact the aggregate wear A primary gravity separator 40 for removing and collecting segregation; By applying compressed air and strong blowing force to the aggregate provided from the primary gravity separator 40, the secondary gravity separator separates and collects the segregation by removing the segregation by colliding and wearing the aggregate with high specific gravity by scattering foreign matter having a small specific gravity. 50); A first cyclone dust collector (60) (60a) for collecting foreign matters in which the foreign matter separated from the aggregates in the primary and secondary specific gravity separators (40) (50) is collected; A secondary dust collector (70) which collects foreign matters of fine particles passing through the primary dust collectors (60) and (60a) and discharges the filtered air into the atmosphere; Characterized in that the aggregate production apparatus that is composed of; secondary separator (80) for sorting the aggregate collected in the secondary specific gravity separator (50) to a large and small particle size.

In the above crusher 10 can be applied to the generalized crusher of the known technique, it is sufficient to crush the stone or gravel with a large particle size mixed with waste stone powder or crushed gravel to a size of 6 ~ 8 mm suitable for use as aggregate, Waste stone powder after the crushing process is put into the storage tank 20 through a belt conveyor or screw conveyor, the storage tank 20 to store the appropriate amount of waste stone powder to block moisture from rain or snow and keep a dry supply Make it possible.

The primary separator 30, through which the waste stone is supplied through the belt conveyor 20a in the storage tank 20, selects and removes foreign substances such as vinyl fragments, waste wood, tree roots, and iron aggregates mixed with the waste stone and removes large aggregates. As a function, the primary separator 30 has a fallopian tube-shaped sorting drum 32 inclined on the support frame 31, and a blower 33 is installed on the inlet 32a, while the belt conveyor of the storage tank 20 is installed. The tip 20a is installed into the inlet 32a.

In addition, the end of the belt conveyor (20a) of the reservoir 20, the rotating drum 34 is installed to the lower side, the rotary drum 34 is rotated by receiving the driving force from the drive roller of the belt conveyor (20a) to the sprocket and chain, A plurality of striking rods 34a are mounted on the circumference on both sides to scatter the waste stone powder supplied, and the blower 33 blows the inside of the rotating drum 34 and the sorting drum 32. The hopper 35 and the belt conveyor 35a are installed at the lower side of the sorting drum 32, and the belt conveyor 36a is also provided at the outlet 36 of the sorting drum 32.

On the other hand, the rotation of the sorting drum 32 in the primary separator 30 selects several rotating rollers, sprockets and chains on the outer periphery of the sorting drum 32 like the aggregate sorter of the known art, and selects them by driving the reduction motor. The drum 32 may be rotated, and a cover 37 is installed outside the sorting drum 32 to prevent scattering of dust and fine powder generated in the sorting process.

Therefore, the primary separator 30 is scattered by the striking rod 34a of the rotating drum 34 which rotates while the waste stone powder supplied to the belt conveyor 20a of the storage tank 20 falls, and at this time, the blower 33 Vinyl fragments and various foreign matters rotted in the waste-rock powder by the wind fly toward the discharge port 36, hit the cover 37 and fall off the belt conveyor 36a, and the aggregate having a large particle size, which is not suitable as aggregate, is discharged from the sorting drum 32. Only the waste-rock powder in a relatively selected state is discharged through the hopper 35 and the belt conveyor 35a by passing through the discharge port 36 and the belt conveyor 36a without passing through the mesh.

The primary gravity separator 40, to which the waste-rock powder in a relatively selected state is supplied from the primary separator 30, has a conical shape having a lower portion opened on the upper portion of the frame 40a, as shown in FIGS. The tank 41, the hollow shaft 42, which is formed by stacking a plurality of injection pipes 44, in which the rotary blade 43 and the nozzle 44a are mounted in the separation tank 41, is stacked up and down, and the separation tank 41. Hopper 45 is installed on the upper side of the hopper is installed and the impeller (45a) is rotated in the inlet, and the motor 46 is provided with a reduction gear 46a to rotate the hollow shaft 42, and the It is composed of a suction fan 48 installed in the upper portion of the separation tank 41 to suction and discharge the scattered foreign matter (soil, dust, cement oxide fine powder).

Separation tank 41 is formed in a conical shape of the lower side is opened in a predetermined size, is fixed to the upper portion of the frame 40a is made to a predetermined height, and the hollow shaft 42 is rotatably mounted vertically inside the vertical The hollow shaft 42 is provided with a plurality of rotary blades 43 having a predetermined angle and a plurality of injection pipes 44 mounted with a plurality of nozzles 44a at different horizontal angles, respectively.

A plurality of rotary blades 43 are radially mounted on the hollow shaft 42 as shown in FIGS. 7 and 8 of the drawing, and sawtooth-shaped crushing grooves 43a are formed at the ends in the rotational direction so that waste stones and aggregates are formed. Increase the contact area of.

On the other hand, the upper side of the separation tank 41 is provided with a hopper 45 into which waste stone powder is introduced, and a vane 45a that is rotated by a reduction motor is mounted on the inlet of the hopper 45 to fix waste stone powder. Rotating in the air, the wing car (45a) is a function of preventing the foreign matter scattered in the interior of the separation tank 41 is discharged to the outside through the hopper (45) while scattering the waste-rock powder.

One side of the hopper 45 is provided with a reduction gear 46a and a motor 46 for rotating the hollow shaft 42, the air supply pipe 47 is rotatable on the inner hollow shaft 42 of the reducer 46a. By installing so that the compressed air is supplied into the hollow shaft 42 that is mounted and rotates, the compressed air can be injected through the nozzle 44a of the injection pipe 44.

A reinforcing plate 41a is mounted on the inner surface of the separation tank 41 up and down, and an annular guide plate 41b inclined inward is installed on the inner surface of the reinforcing plate 41a to prevent wear of the separation tank 41. Prevents and increases durability while inducing waste stone falling in the separation tank 41 inward, where the reinforcing plate 41a and the guide plate 41b do not interfere with the rotation of the rotary blade 43 and the injection pipe 44. Install it.

The primary gravity separator 40 of this structure rotates (600-800 rpm) of the hollow shaft 42, the rotary blade 43, and the injection pipe 44 by the driving of the motor 46, and also the air compressor (in the drawing) (Not shown) and compressed air is supplied to the inside of the hollow shaft 42 through the air supply pipe 47 and compressed air is injected into the nozzle 44a of the injection pipe 44 to the hopper 45. When the powder is added, the waste-rock powder is scattered into the separation tank 41 in accordance with the rotational speed of the vanes 45a.

Waste stone powder thrown into the separation tank 41 is scattered by the blowing of compressed air by the nozzle 44a and the strong blow force in the whirlwind form by the rotary blade 43, and the aggregate having a high specific gravity falls downward. And foreign matters having a small specific gravity (soil, dust, cement oxide fine powder) are scattered to the upper side of the separation tank 41 and sucked and discharged by the strong suction force of the suction fan 48 to separate the aggregate and the foreign matter and fall down. Aggregate is worn by colliding with or crushing the crushing groove (43a) of the rotary blade 43, segregation is removed, and collected in the hopper 49 through the discharge port 41c formed in the lower portion of the conical shape Aggregates are collected, and the aggregate collected in the hopper 49 is provided to the secondary centrifuge 50 again.

The secondary gravity separator 50 is installed in connection with the primary gravity separator 40 described above, and has the same structure as the primary gravity separator 40 and the hopper 49 of the primary gravity separator 40. Aggregate collected at the upper hopper of the separation tank through a belt conveyor or screw conveyor to separate the aggregate and a small amount of soil (soil, dust, cement oxide fine powder) to collect high quality aggregate.

Meanwhile, the aggregate finally collected in the secondary gravity separator 50 is transferred to the secondary separator 80, and the secondary separator 80 is an aggregate separator of a conventionally known technique, which is collected in the secondary gravity separator 50. It is a function of sorting the aggregates into sand and gravel. It consists of a sanding drum and a gravel sorting drum.

In addition, the present invention transfers the aggregate collected in the secondary specific gravity separator (50) to the water washing separator (90) as needed to wash the fine dust adsorbed on the aggregate while the grain size of sand and gravel suitable for use Selecting will produce higher quality aggregates.

The water wash selector 90 has a structure as shown in FIGS. 9 to 11 as shown in the drawing, containing a predetermined amount of water, and having a lower portion formed in a conical shape, and having an inclined plate 91b formed therein, which is installed on the upper portion of the frame 91a. A sorting tank 91; A conical sorting drum 92 installed at a predetermined inclination inside the sorting tank 91 and rotating with a drive of the reduction motor 92a and having a plurality of discharge vanes 92c for raising foreign matter on one side thereof; A transfer screw (93) installed in the longitudinal direction in the lower side of the sorting tank (91); An air injection pipe (94) installed in both longitudinal directions on both sides of the sorting drum (92); An input conveyor 95 installed inside the sorting drum 92 at the outside of the sorting tank 91 to inject aggregate; An aggregate discharge conveyor 96 positioned below the sorting drum 92 and inclined outward from the inside of the sorting tank 91; A foreign substance discharge conveyor (97) installed outwardly under the discharge blade (92c) in the sorting drum (92); It is composed of a discharge screw 98 installed at a predetermined height on one outer end of the transfer screw 93.

The sorting tank 91 is placed in the upper portion of the frame 91a to a predetermined length, the upper portion is opened and the lower portion is formed in a conical shape to contain a predetermined amount of water, the inner both sides are inclined plate in the longitudinal direction 91b is attached, and the selection drum 92 of the conical shape in the longitudinal direction is provided inside the opened upper side, and is mounted to rotate by the drive of the reduction motor 92a.

The sorting drum 92 is composed of a mesh having a spiral aggregate conveying plate 92d formed on an inner circumferential surface thereof, and performs a function of sorting aggregate and foreign matter introduced into the bowl as it is rotated by the driving of the reduction motor 92a. In the upper side of the inner side is rotatably installed at a predetermined inclination, and a plurality of discharge wings (92c) is formed on the open inner circumferential surface of the opposite side into which the aggregate is introduced to lift the foreign matter floating on the water to the upper side in the process of rotation, the upper side The foreign matter discharge conveyor 97 is installed to be located below the discharge wing 92c located in the outside, and foreign substances pulled up by the discharge wing 92c fall on the foreign matter discharge conveyor 97 and are discharged to the outside.

The air injection pipe 94 is installed in the lengthwise direction so as to be submerged in both sides of the selection drum 92 in the inside of the selection tank 91, the air injection pipe 94 is compressed air supplied from the outside Is sprayed on the sorting drum 92 to prevent clogging of the pores of the net while washing the surface of the aggregate.

An input conveyor 95 for introducing aggregate into the sorting drum 92 is provided with a hopper and installed into the sorting drum 92 from the outside of the sorting tank 91 to inject aggregate and sorting drum 92. Aggregate discharge conveyor 96 for transporting and loading the aggregates selected and washed by the outside of the sorting tank 91 is located below the sorting drum 92 in the sorting tank 91 and inclined outwards. It is installed higher than the internal water level of 91 so as to prevent water leakage.

On the other hand, in the lower side of the sorting tank 91 formed in the shape of a cone, a feeding screw 93 which is rotated by the drive of the reduction motor 93a is installed, and an upright side or one side of a predetermined height is provided on one outer end of the feeding screw 93. Slightly inclined so that the discharge screw 98 is installed.

The transfer screw 93 is a function of discharging the foreign matter in the form of sludge that sinks to the bottom surface of the sorting tank 91 to the outside through the discharge screw 98 in the process of screening and washing the aggregate, where the discharge screw 98 Is installed at a position higher than the water level contained in the sorting tank 91 to prevent the leakage of water.

In this configuration, the water wash separator 90 is supplied with the aggregate collected in the secondary gravity separator 50 to the inside of the sorting drum 92, which is partially submerged in the water through the input conveyor 95, and the aggregate is submerged in water. It is sorted while being transported downward by the sorting drum 92 and the spiral aggregate transfer plate 92d which rotates while being rotated, and are also washed by the compressed air of the air spray pipe 94, where the sorted and washed aggregate is sorted drum ( 92 is guided by the inclined plate (91b) through the mesh to fall on the aggregate discharge conveyor (96) to be transported and loaded to the outside, and also the foreign matter floats on the water or sinks to the floor in the form of sludge, foreign matter floating on the water surface Is transported to the outside by the discharge wing 92c of the sorting drum 92 and the foreign matter discharge conveyor 97, and the foreign matter that has sunk to the bottom is discharged to the outside by the transfer screw 93 and the discharge screw 98. .

Therefore, the water wash separator 90 cleans fine fine particles adsorbed to the aggregate collected in the secondary specific gravity separator 50 and selects grains of sand and gravel suitable for use to produce higher quality aggregate. Will be.

Meanwhile, in the present invention, foreign substances (soil, dust, cement oxide fine powder) which are separated from the aggregate in the primary and secondary gravity separators 40 and 50 and sucked out through the suction fan 48 are respectively primary through the duct. The foreign matter large particles are collected by being transferred to the dust collector (60) (60a), the primary dust collector (60) (60a) is the outer cylinder 61 is formed in the lower portion conical in the cyclone dust collecting method as shown in FIG. The inner cylinder 62 having a small diameter is installed on the inner upper portion of the outer cylinder 61, and the outer cylinder 61 is installed on the ground at a predetermined height by the support frame 63 while the screw conveyor is disposed below the outer cylinder 61. 64 is installed.

In addition, a suction fan 65 equipped with an exhaust pipe 66 is mounted on the upper end of the inner cylinder 62 at the upper portion of the outer cylinder 61 to suck foreign matter into the inner cylinder 62 to secondary the exhaust pipe 66 through the exhaust pipe 66. Inflow to the dust collector (70).

The primary dust collector (60) (60a) of this configuration is a method that separates and collects a large particle foreign matter by applying a centrifugal force to the foreign matter such as soil, dust, fine powder introduced into the outer cylinder (61), where the large particle foreign matter Is transported and loaded down by the screw conveyor 64 down the inner circumferential surface of the conical outer cylinder 61 by the action of centrifugal force, and foreign matters having small particles are sucked into the inner cylinder 62 by the suction force of the suction fan 65 and exhausted. Through the 66 is introduced to the secondary dust collector (70).

Meanwhile, as shown in FIG. 13, the secondary dust collector 70 collects foreign matters of particulates flowing through the primary dust collectors 60 and 60a, and a bag filter is installed in a cyclone dust collecting method. The outer cylinder 71 formed as is installed on the ground by the support frame 73, the screw conveyor 74 is mounted on the lower end of the conical shape to discharge and collect the collected foreign matter, the exhaust pipe 66 is installed is installed A partition plate 75 is formed inside the upper side to divide the inner space up and down, and a small inner cylinder 72 is installed at the center of the bottom of the partition plate 75.

A filter case 76 is installed in the center of the upper side of the partition plate 75, which is the upper end of the inner cylinder 72, and a plurality of bag filters 76a are mounted therein, and the outer cylinder in which the bag filters 76a are installed ( By installing the suction fan 77 on the upper portion of the 71 and the shade 78 on the upper side of the suction fan 77, the filtered air passing through the bag filter 76a is naturally discharged into the atmosphere, and the bag The filter 76a can be installed by applying a known technique.

Secondary dust collector (70) of the configuration as described above is a large particle foreign matter introduced into the outer cylinder (71) through the exhaust pipe 66 by the cyclone dust collection method to ride the inner circumferential surface of the conical outer cylinder (71) by the action of centrifugal force It is transported and loaded by the screw conveyor 74, and foreign matter having smaller particles is sucked into the inner cylinder 72 by the suction force of the suction fan 77 and collected while passing through the bag filter 76a. Emissions to the atmosphere.

In addition, FIG. 14 shown in the drawings is another embodiment of the primary dust collector 60, and a bag filter is installed on the primary dust collector 60 without collecting the secondary dust collector 70 to collect foreign matters of particulates. In addition, an inner cylinder 62 and a penetrated filter case 67 are installed above the outer cylinder 61 of the primary dust collector 60, and a plurality of bag filters 67a are mounted inside the filter case 67. By installing the suction fan 65 and the shade 68 on the upper side of the filter case 67, foreign matters of particulates sucked through the inner cylinder 62 by the suction force of the suction fan 65 are collected in the bag filter 67a. The filtered air is discharged to the atmosphere.

On the other hand, Figure 15 is another embodiment of the aggregate manufacturing apparatus according to the present invention waste stone powder in a relatively selected state in the primary separator 30 is introduced into the primary specific gravity separator 40, aggregate and various foreign matter (soil, dust , Finely divided cement oxide powder), and the aggregate collected therein is transferred to the secondary separator 80 to be selected and loaded into a suitable particle size, and the foreign matter separated from the aggregate is transferred to the primary dust collector 60 by suction. The large particles and foreign matters of the particulates are collected in the bag filter, so that the filtered air is discharged into the atmosphere. In this case, although the equipment may be simple and the manufacturing cost may be low, the primary and secondary gravity separators 40 and 50 may be used. ) And the primary and secondary dust collectors 60 and 70 are difficult to produce high-quality aggregates than the embodiment is applied, as well as may cause environmental pollution.

In addition, Figure 16 shown in the drawings is another embodiment of the aggregate manufacturing apparatus according to the present invention, the waste stone powder in a relatively selected state in the primary separator 30 is introduced into the primary specific gravity separator 40 is separated into aggregate and foreign matter Collected and collected aggregate is again put into the secondary specific gravity separator (50) and separated into aggregate and foreign matter, where the aggregate finally collected is transferred to the secondary separator (80) or water wash separator (90). Is produced as aggregate of sand and gravel, foreign matter separated from the aggregate in the primary and secondary specific gravity separator (40, 50) is sucked and transported to the primary dust collector (60) (60a), respectively, the bag filter is installed, the particles The large foreign matter and particulate matter are collected in the bag filter and the filtered air is discharged to the atmosphere.

Therefore, the present invention collects the high-quality aggregate by separating the waste stone powder into aggregate and foreign matter (soil, dust, cement oxide fine powder) in the primary and secondary gravity separator (40) (50), foreign matter separated from the aggregate Silver is collected by passing through the primary and secondary dust collectors 60 and 70 to prevent pollution due to dust, and the foreign matter collected by the primary and secondary dust collectors 60 and 70 is a mixed material of asphalt. It can be used as a Fila.

The preferred embodiments of the present invention have been described above with reference to the present invention, and are not limited to the above embodiments, and those skilled in the art through the above embodiments do not depart from the gist of the present invention. Can be implemented in a variety of changes.

The present invention produces high-quality aggregates from waste stone powder or crushed gravel, which are discarded, so that the recycling of resources and the natural environment can be protected. In particular, since the waste water or dust generation is performed in the most restrained state, there is little pollution problem. Dirt, such as soil, dust, and cement oxide fine powder, produced and discharged from aggregate, provides the effect of using Fila, a mixed material of asphalt.

The present invention produces high-quality aggregates without destruction and pollution of the natural environment, thereby protecting the natural environment and reducing costs, as well as the overall savings and high-purity aggregates through the recycling of waste resources, which are emerging as social problems. The production effect of will be obtained.

Claims (10)

delete delete delete delete A crusher 10 for crushing stones and gravel having a large particle size from waste stone powder to a predetermined standard or less; A storage tank 20 in which waste stone powder crushed by the crusher is stored; A primary separator (30) for selectively removing foreign substances such as vinyl chips, waste wood, tree roots, and iron aggregates from the waste stone powder supplied from the storage tank and aggregates having a large particle size; By applying compressed air and blowing power to the waste stone powder provided by the primary separator, the foreign matter (soil, dust, fine powder) having a small specific gravity is scattered, separated from the aggregate having a large specific gravity, and the aggregate is collided and worn to remove segregation. A primary specific gravity separator 40; By applying compressed air and blowing force to the aggregate provided by the primary gravity separator to separate foreign matter having a small specific gravity by scattering foreign matter having a small specific gravity and secondary gravity separator 50 to collect and remove segregation by collision wear of the aggregate and ; A first cyclone dust collector (60, 60a) for collecting foreign matter separated from aggregate in the primary and secondary gravity separators; A secondary dust collector (70) for collecting foreign matters of particulates having passed through the primary dust collector and discharging the filtered air into the atmosphere; A secondary sorter (80) for sorting the aggregate collected in the secondary specific gravity separator into large and small granularities; In addition, in the aggregate manufacturing apparatus comprising a water washing sorter 90 for washing the fine dust adsorbed to the aggregate collected in the secondary gravity separator, and sorting to the granules of sand and gravel, The water washing separator contains a predetermined amount of water, and the lower portion is formed in a conical shape, and an inclined plate 91b is formed therein, such that the sorting tank 91 installed on the upper portion of the frame 91a and the sorting tank 91 are placed inside the sorting tank 91. A conical selection drum 92 formed with a predetermined slope and having a spiral aggregate conveyance plate 92d formed on the inner circumferential surface, and having several discharge vanes 92c for rotating foreign matter on one side and raising foreign matter on one side thereof. ), The transfer screw 93 installed in the longitudinal direction in the lower side of the sorting tank 91, the air spray pipe 94 provided in the longitudinal direction on both outer sides of the sorting drum 92, the sorting tank 91 An input conveyor (95) installed inside the sorting drum (92) from the outside and an aggregate discharging conveyor (96) positioned below the sorting drum (92) and inclined outward from the sorting tank (91). ), Discharge blade inside the sorting drum 92 (92c) foreign material discharge conveyor is installed outwardly from the bottom (97) and aggregate production apparatus according to claim consisting of a discharge screw (98) is installed onto the upright of a predetermined height on one outer end of said feed screw (93). A crusher 10 for crushing stones and gravel having a large particle size from waste stone powder to a predetermined standard or less; A storage tank 20 in which waste stone powder crushed by the crusher is stored; A primary separator (30) for selectively removing foreign substances such as vinyl chips, waste wood, tree roots, and iron aggregates from the waste stone powder supplied from the storage tank and aggregates having a large particle size; By applying compressed air and blowing power to the waste stone powder provided by the primary separator, the foreign matter (soil, dust, fine powder) having a small specific gravity is scattered, separated from the aggregate having a large specific gravity, and the aggregate is collided and worn to remove segregation. A primary specific gravity separator 40; By applying compressed air and blowing force to the aggregate provided by the primary gravity separator to separate foreign matter having a small specific gravity by scattering foreign matter having a small specific gravity and secondary gravity separator 50 to collect and remove segregation by collision wear of the aggregate and ; A first cyclone dust collector (60, 60a) for collecting foreign matter separated from aggregate in the primary and secondary gravity separators; A secondary dust collector (70) for collecting foreign matters of particulates having passed through the primary dust collector and discharging the filtered air into the atmosphere; A secondary sorter (80) for sorting the aggregate collected in the secondary specific gravity separator into large and small granularities; In addition, in the aggregate manufacturing apparatus comprising a water washing sorter 90 for washing the fine dust adsorbed to the aggregate collected in the secondary gravity separator, and sorting to the granules of sand and gravel, The primary gravity separator may include a separation tank 41 formed in a conical shape having a lower portion opened on an upper portion of the frame 40a, and an injection pipe in which the rotary blade 43 and the nozzle 44a are mounted in the separation tank 41. Hollow shaft (44), the hollow shaft 42 is installed in a plurality of upper and lower parts, the hopper 45 is installed on the upper side of the separation tank 41, the impeller (45a) is inserted into the waste stone powder is rotated in the inlet, the hollow shaft The suction fan 48 rotates 42 and sucks and discharges foreign substances (soil, dust, fine powder) which are installed on the upper side of the motor 46 and the separating tank 41 in which the reduction gear 46a is installed. Aggregate manufacturing apparatus, characterized in that configured. The method of claim 6, Separation tank 41 is an aggregate manufacturing apparatus characterized in that the reinforcing plate (41a) is mounted on the inner surface up and down, the inner surface of the reinforcing plate (41a) is provided with an annular guide plate (41b) inclined inward. The method of claim 6, Rotary blade 43 is a plurality of radially mounted on the hollow shaft 42, the aggregate manufacturing apparatus, characterized in that the sawtooth-shaped crushing groove (43a) formed at the end of the rotation direction. delete delete