KR200331337Y1 - Mixes the construction waste and the system which manufactures the remaking sand - Google Patents

Abstract

The present invention relates to a device for producing recycled sand by mixing construction waste.

The present invention for this purpose is provided with a mixer 40 for mixing the construction waste, waste foundry sand and waste cast steel with hydrochloric acid at the bottom of the tertiary crusher and then transported to one side, the mixer 40, the mixing, Pedestal 41 forms the skeleton of the group 40, each of which has a protrusion (41a) formed on both sides of the upper end; It is provided and rotated at the upper end of the pedestal 41, the inner peripheral surface is provided with a spiral transfer blade 44c, grooves 43a are formed at both ends of the outer surface to fit the projection at the same time, the sprocket wheel 43b on one outer peripheral surface A cylinder 43 formed with a single body; A motor 44 provided at one side of the pedestal 41 to drive a chain wound on a sprocket wheel; A hopper 42 provided at one side of the upper end of the pedestal 41 and having an extension plate 42a at a lower portion thereof to easily supply construction waste, waste foundry sand, and waste cast steel to the inside of the cylinder; An injection nozzle 45 installed near the inlet of the cylinder 43 to eject hydrochloric acid stored in the tank 46 into the cylinder; It is provided on one side of the cylinder 43, the conveyor belt (10L) for transporting the recycled aggregate discharged from the cylinder to a predetermined place; consists of.

The present invention configured as described above is intended to produce recycled sand such as natural sand using only various wastes such as construction waste, waste foundry sand, and waste cast steel without using any natural sand, and the recycled sand is clean and strong. It is durable and has a proper particle size, does not contain organic impurities and salt, and the products produced by the above-mentioned devices are reusable for various construction materials such as mortar, asphalt filling sand, and filling pipe filling. As a result of the test of compressive strength, durability, water absorption, thermal conductivity, adhesive strength and freeze-thawing of bricks made from the above-mentioned recycled sand, excellent properties were obtained. The reliability is greatly improved.

Description

Mixing the construction waste and the system which manufactures the remaking sand}

The present invention relates to a device for manufacturing recycled sand by mixing construction wastes, and more specifically, it is possible to manufacture recycled sand such as natural sand using only various wastes without using natural sand at all. It is designed to be reused for various construction materials such as mortar, asphalt filling sand and buried pipe filler. Also, the produced product can improve the quality of the product and greatly improve the reliability of the product. .

As is well known, a large amount of concrete waste is generated by the reconstruction of apartments and the dismantling of old structures. Also, coal and briquettes, waste casting sand, and waste steel instructors have become a social problem due to lack of landfill. Recycling is the most desirable practice for environmental preservation such as saving construction cost, minimizing secondary environmental pollution and saving natural resources.

Therefore, in the past, a number of applications for recycling various types of construction waste (eg, recycling sand) have been applied, and some are currently used.

However, since the conventional technology is merely a technical level of sorting and crushing recycled aggregates, there is a problem in that it is impossible to produce a material having properties such as natural sand, and the products produced by the conventional technology are re-made with various construction materials. There was a problem that can not be used.

In addition, there was a reclaimed sand production apparatus using waste concrete, coal ash and briquettes, waste cast steel and waste foundry sand in the prior art, but all of the above techniques are not able to produce regenerated sand such as natural sand because the reactivity of chemical components is significantly reduced. This was there.

The present invention has been devised to solve all the problems of the prior art as described above, and can produce recycled sand such as natural sand using only various wastes such as construction waste, waste foundry sand, and waste cast yarn without using any natural sand. The second purpose is to ensure that the reclaimed sand is clean, strong, durable, and have a suitable particle size and to contain no organic impurities, salts, etc., and the third purpose is to The products produced by this product can be reused for various construction materials such as mortar, asphalt filling sand, buried pipe filler, etc. The fourth purpose is to provide the compressive strength, durability, water absorption rate, and thermal conductivity of bricks produced from the reclaimed sand. , Adhesion strength and freeze-thawing test resulted in excellent properties. The fifth objective is that the reclaimed sand is neutral and weak It was confirmed that it is safe against corrosion, and the sixth purpose is to produce recycled sand by mixing construction wastes that can improve the quality of products and enable consumers to greatly improve the reliability of products. To provide.

In order to achieve this purpose, the present invention is a primary crusher that first crushes the construction waste in the process of conveying the construction waste to one side through the conveyor belt, and then the second crusher to crush the construction waste secondly smaller than the first crushing standard. In the construction waste shredding device which is provided with a third crusher for crushing the construction wastes three times smaller than the second crushing standard, the bottom of the third crusher is mixed with the construction waste, the waste foundry sand and the waste main instructor together with hydrochloric acid. Then, the mixer is provided with a mixer for transporting and discharging it to one side, the mixer forming a skeleton of the mixer, the pedestal is formed on each of the upper sides of one side; A cylinder which is rotated at the top of the pedestal and is provided with a spiral feed blade on an inner circumferential surface, and grooves are formed at both ends of the outer surface, and a sprocket wheel is integrally formed on one outer circumferential surface; A motor provided at one side of the pedestal to drive the chain wound around the sprocket wheel; A hopper provided at one side of the upper end of the pedestal and having an extension plate at a lower portion thereof to easily supply construction waste, waste foundry sand, and waste cast steel to the inside of the cylinder; An injection nozzle installed near the inlet of the cylinder to eject hydrochloric acid stored in the tank into the cylinder; Provided on one side of the cylinder, a conveyor belt for transporting the recycled aggregate discharged from the cylinder to a predetermined place; provides a device for producing a recycled sand by mixing the construction waste characterized in that it is provided.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention for achieving this purpose are as follows.

1 is a device for producing recycled sand by mixing the construction waste applied to the present invention

State of use diagram.

Figure 2 is a device for producing recycled sand by mixing the construction waste applied to the present invention

State of Use Flowchart.

Figure 3 is a device for producing recycled sand by mixing the construction waste applied to the present invention

Magnified section.

Figure 4 is a device for producing recycled sand by mixing the construction waste applied to the present invention

An enlarged cross-sectional view of another embodiment of the.

<Explanation of symbols for the main parts of the drawings>

10a to 10L: conveyor belts 20a to 20c; Krasha

30a-30c: Sorting hopper 40: Mixer

41: base 42: hopper

43: cylinder 44: motor

45: spray nozzle 50: mixer

52: slope plate 54,54a: dust collector

The apparatus for producing recycled sand by mixing the construction waste applied to the present invention is configured as shown in Figs.

In the following description of the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The following terms are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and the definitions should be made based on the contents throughout the present specification.

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

First, the present invention is the primary crusher 20a crushing the construction waste first in the process of conveying the construction waste to one side through the conveyor belt (10a) (10b), and then the construction waste smaller than the primary crushing standard In the construction waste crushing apparatus is provided with a secondary crusher 20b to crush secondly, and then the third crusher 20c to crush the construction waste to a third smaller than the secondary crushing standard.

The lower end of the third crusher is provided with a mixer 40 for mixing the construction waste, waste foundry sand and waste cast steel with hydrochloric acid and then transported to one side.

That is, the mixer 40 forms the skeleton of the mixer 40, and is provided with a pedestal 41 having protrusions 41a formed on both sides of one upper end, and rotated on top of the pedestal 41, A cylindrical feed wing 44c is provided on the inner circumferential surface, and grooves 43a are formed at both ends of the outer surface so as to fit the projection 41a, and at one outer circumferential surface, the sprocket wheel 43b is integrally formed with the cylinder 43. It is provided on one side of the pedestal 41, the motor 44 for driving the chain 44a wound on the sprocket wheel 43b, and is provided on one side of the upper end of the pedestal 41, construction waste, waste foundry sand and A hopper 42 having an extension plate 42a at a lower portion thereof and a hydrochloric acid stored in the tank 46 are installed near the inlet of the cylinder 43 to easily supply the waste main lecturer to the inside of the cylinder 43. A spray nozzle 45 for ejecting the inside of the cylinder and the ash provided on one side of the cylinder 43, discharged from the cylinder 43 It is provided with; conveyor belt (10L) for transporting the aggregate to a predetermined place.

The present invention is characterized in that the cylinder 43 is installed to be inclined downward toward the conveyor belt (10L).

In addition, the present invention, as shown in Figure 4 is provided between the top of the mixer 40 and the bottom of the tertiary crusher, a mixer 50 for mixing the construction waste, waste foundry sand and waste cast instructor.

That is, the mixer 50, the upper portion is wide open at the same time the lower portion of the body 51 is formed with a narrow hole, the lower end of the body 51 to adjust the amount of discharge of construction waste, waste foundry sand, waste cast instructor The valve 6 and the inside of the body 51 are provided with a plurality of inclined plates 52 which are inclined to one side to be offset from each other, and one or more dust collectors 54 and 54a are provided at the upper end of the body 51. do.

In the drawings, reference numerals 10c to 10l are conveyor belts, 3 is a magnetic material, 4 is a blower, 5 is a collector, and 11 and 11a are hoppers.

Meanwhile, the present invention may be variously modified and may take various forms in applying the above components.

And it is to be understood that the present invention is not limited to the specific forms mentioned in the above description, but rather includes all modifications, equivalents, and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood that.

Referring to the operation and effect of the device for producing the recycled sand by mixing the construction waste of 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.

Meanwhile, the present invention crushes and sorts the waste foundry sand and the waste casted yarn which are transferred to one side through the conveyor belt 10i to 6 mm or less by the fourth chakra 20d and the third screen 31c, and then the conveyor belt 10k. Through the mixer 50 is put through.

Construction waste discharged through the conveyor belt (10f) of the one side of the present invention and waste casting sand and waste cast steel discharged through the conveyor belt (10k) of the other side is provided in the mixer (50) before being introduced into the mixer (40) It is characterized by being mixed together while passing through a plurality of inclined plates (52).

That is, the construction waste, waste foundry sand and waste cast steel injected into the mixer 50 are mixed with each other while passing through a plurality of inclined plates 52, and at this time, the control valve 6 is provided at the bottom of the mixer 50 to be mixed and lowered. The emission of construction wastes, waste founders and waste instructors 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 and waste cast instructor falls to remove it.

The construction waste, waste foundry sand, and waste cast steel mixed while passing through the mixer 50 as described above are 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 the appropriate amount of hydrochloric acid is injected through the injection nozzle 45 provided at one side, the waste foundry sand and the waste caster are changed to neutral and weak alkalinity so that they are safe against corrosion, thereby producing high-quality recycled sand.

In more detail, the material introduced into the hopper 42 is easily introduced into the cylinder 43 by the lower extension plate 42a. At this time, the cylinder 43 is to be rotated by the drive of the motor 44 and the chain 44a, the projection (41a) and the groove 43a is prevented from being separated to the outside in the process of the cylinder 43 is rotated. Done.

As described above, when the cylinder 43 rotates, the spiral feed blades 44c formed on the inner circumferential surface rotate together to transfer and feed the material introduced into the cylinder 43 to one side, wherein the cylinder 43 is installed at the inlet of the cylinder 43. In the injection nozzle 45, hydrochloric acid stored in the tank 46 is ejected into the cylinder 43.

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 various waste discharge companies, namely, each construction site or steel and steel making company, so it does not cost any material to produce recycled sand. Cost is relatively low compared to natural sand.

As described in detail above, the present invention is intended to solve the natural aggregate problem, which is gradually exhausted, and uses only various wastes such as construction waste, waste foundry sand, and waste cast sand without using natural sand at all. The reclaimed sand is clean, strong, durable, and has a proper particle size and does not contain organic impurities, salts, etc., and the product produced by the above device is a mortar and asphalt filling sand. It is intended to be used as a variety of construction materials, such as filling filler for buried pipe, and the excellent properties of the compressive strength, durability, absorption rate, thermal conductivity, adhesive strength and freeze-thawing test of the brick produced from the reclaimed sand can be obtained. The reclaimed sand is neutral and weakly alkaline and safe against corrosion As a result, the produced product is a very useful design that can improve the quality of the product and greatly improve the reliability of the product.

Claims (3)

Primary crusher 20a which first crushes the construction waste in the process of conveying the construction waste to one side through the conveyor belt, and then secondary crusher 20b which crushes the construction waste secondly smaller than the primary crushing standard. In the construction waste crushing apparatus is provided with a third crusher 20c for crushing the construction waste three times smaller than the second crushing standard again, At the bottom of the tertiary crusher is provided with a mixer 40 for mixing the construction waste, waste foundry sand and waste cast steel with hydrochloric acid and then transporting them to one side, the mixer 40, A pedestal 41 which forms a skeleton of the mixer 40 and has protrusions 41a formed on both sides of one upper end thereof; It is provided at the top of the pedestal 41 and rotated, and a spiral feed blade 44c is provided on the inner circumferential surface, and grooves 43a are formed at both ends of the outer surface so that the protrusion is fitted, and at the same time, a sprocket wheel 43b is provided on one outer circumferential surface. A cylinder 43 formed with a single body; A motor 44 provided at one side of the pedestal 41 to drive a chain wound on a sprocket wheel; A hopper 42 provided at one side of the upper end of the pedestal 41 and having an extension plate 42a at a lower portion thereof to easily supply construction waste, waste foundry sand, and waste cast steel to the inside of the cylinder; An injection nozzle (45) installed near the inlet of the cylinder (43) to eject hydrochloric acid stored in the tank (46) to the inside of the cylinder; Is provided on one side of the cylinder 43, a conveyor belt for transporting the recycled aggregate discharged from the cylinder to a predetermined place (10L); Mixing the construction waste, characterized in that the apparatus for producing a recycled sand. According to claim 1, The cylinder (43) is a device for producing a recycled sand by mixing the construction waste, characterized in that it is installed inclined downward toward the conveyor belt (10L). According to claim 1, Between the upper end of the mixer 40 and the lower end of the tertiary crusher is provided with a mixer 50 for mixing the construction waste, waste foundry sand and waste main instructor, the mixer 50, A body 51 having a wide open upper portion and a narrow lower hole; At the bottom of the body 51, a control valve (6) for controlling the discharge amount of construction waste, waste foundry sand, waste cast steel; A plurality of inclined plates 52 inclined to one side to be offset from each other inside the body 51; At least one dust collector (54) (54a) at the top of the body (51); Mixing the construction waste, characterized in that the apparatus for producing a recycled sand.