KR101791649B1 - Waste injecting apparatus - Google Patents

Waste injecting apparatus Download PDF

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Publication number
KR101791649B1
KR101791649B1 KR1020150075163A KR20150075163A KR101791649B1 KR 101791649 B1 KR101791649 B1 KR 101791649B1 KR 1020150075163 A KR1020150075163 A KR 1020150075163A KR 20150075163 A KR20150075163 A KR 20150075163A KR 101791649 B1 KR101791649 B1 KR 101791649B1
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KR
South Korea
Prior art keywords
waste
compressed air
pipe
drying chamber
outside
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Application number
KR1020150075163A
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Korean (ko)
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KR20150093133A (en
Inventor
이백수
Original Assignee
이백수
주식회사 성일
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Priority to KR1020150075163A priority Critical patent/KR101791649B1/en
Publication of KR20150093133A publication Critical patent/KR20150093133A/en
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Publication of KR101791649B1 publication Critical patent/KR101791649B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
    • F26B17/103—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis with specific material feeding arrangements, e.g. combined with disintegrating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

According to the present invention, there is provided a waste drying apparatus comprising: a multi-structure injection unit extending from an outside of a drying chamber to an inside center of a drying apparatus to inject compressed air and waste, respectively; And a jetting part connected to the end of the charging part so as to be parallel to the drying chamber so that the waste is radially diffused from the inner center part of the drying chamber by the compressed air to be sprayed.

Description

[0001] Waste injecting apparatus [

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste disposal apparatus, and more particularly, to a waste disposal apparatus for disposing waste having a high water content in a drying chamber of a drying apparatus for drying sludge of waste such as food waste, sewage residue, The present invention relates to a waste input device capable of rapidly performing drying by hot air and minimizing glue zone, which is a time required for agglomeration by agglomeration, so that drying efficiency can be improved.

Generally, wastes such as tires, vinyl and plastic used in daily life, food wastes, sewage sludge and animal manure are only partially recycled and mostly buried or incinerated. The method of landfilling dual waste causes a problem that the landfill is secured and the groundwater and the ground are contaminated by the buried waste, and therefore, a method of disposing the waste by incineration is intensively disclosed.

At this time, the moisture contained in the sludge of the waste must be dried before the waste is incinerated. A drying device for drying the waste by using hot air at a high temperature has been disclosed in, for example, Japanese Patent No. 10-1097899.

1 is a schematic view of a conventional waste drying apparatus.

As shown in FIG. 1, the conventional waste drying apparatus includes hot air means 10 for generating hot air at a high temperature / high speed, a high temperature / high speed A drying chamber (40) in which a secondary drying chamber (30) for drying the secondary drying chamber (30) and a secondary drying chamber (30) for secondary drying the waste having passed through the primary drying chamber (20) And a rotating means 50 for rotating the drying chamber 40. The stirring blade formed on the inner wall surface of the tubes of the primary drying chamber 20 and the secondary drying chamber 30 is formed, And is then dropped at a constant height to be evenly dried.

Here, in the conventional waste drying apparatus as described above, the waste input means for inputting waste into the drying chamber includes means for injecting waste into the primary drying chamber 20 having a cylindrical shape along the screw pipe in a state where the waste is stored in a silo, And the like. At this time, in order to improve the drying efficiency, the waste is preceded by a drying operation so that the water content of about 30% is maintained by a separate drying means.

Therefore, the conventional waste drying apparatus requires a large amount of cost for the prior work for lowering the water content of the waste, and since the waste has a high viscosity factor due to a low water content, much power is required to input the waste into the drying chamber .

Further, when the sludge of the waste having a high viscosity coefficient is dried by the hot air and moves in the drying chamber due to the low water content as described above, the glue zone, which is the time for aggregation into a predetermined size lengthened, The agglomerated wastes in the agitating wings or the like formed in the drying chamber are sucked and are not supplied to the secondary drying chamber 30 through the hollow of the primary drying chamber 20, thereby lowering the drying efficiency of the waste.

In the case of the wastes as described above, when the gluzone is lengthened and aggregated into lumps of a predetermined size, incomplete drying occurs in which only a part of the waste lumps are contacted with the hot air, Is lowered.

Accordingly, it is an object of the present invention to provide a waste sludge having a high moisture content of about 60% to 85% by being diffused and supplied into the drying chamber by compressed air, thereby minimizing the glue zone which is a time for rapid drying and lump- And it is an object of the present invention to provide a waste input device capable of having an improved drying efficiency upon drying.

Meanwhile, the object of the present invention is not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to the present invention, there is provided a waste drying apparatus comprising: a multistage input unit extending from an outside of a drying chamber to an inside center of a drying apparatus to supply compressed air and waste, respectively; And a jetting part connected to the end of the charging part so as to be parallel to the drying chamber so that the waste is radially diffused from the inner center of the drying chamber by the compressed air to be sprayed.

Here, the charging unit includes a compressed air charging pipe into which compressed air is supplied from the outside; It is preferable that the waste input pipe having the structure for enclosing the compressed air inlet pipe and the waste input from the outside is constituted by a multiple structure.

Preferably, the charging unit further includes a cooling air inlet pipe having a structure for enclosing the waste input pipe, through which cooling air is introduced from the outside.

In addition, the jetting section includes: a compressed air injection tube communicated with the compressed air injection tube to inject compressed air into the inside of the drying chamber; It is preferable that the waste spray pipe has a structure that surrounds the compressed air spray pipe and communicates with the waste input pipe, and the waste spray pipe is configured to have a multiple structure.

It is also preferable that the compressed air injection pipe is formed at an end opposite to the compressed air injection pipe with a compressed air injection hole having an inclination toward the waste injection pipe surrounding the outside of the compressed air injection pipe.

Further, it is preferable that the waste spraying tube further comprises a vortex blade formed therein at an oblique angle continuously in the longitudinal direction along the wall surface.

The injection unit may further include a cooling air injection pipe having a structure that surrounds the waste injection pipe and into which cooling air is introduced from the outside.

Therefore, according to the present invention, the waste sludge having a high moisture content is diffused and supplied to the inside of the drying chamber by the compressed air, so that the glue zone, which is the time of rapid drying by the hot air and the agglomeration time of the lump, is minimized, Lt; / RTI >

On the other hand, the effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a schematic view of a conventional waste drying apparatus;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a waste-
3 is a side cross-sectional view showing the structure of the injection nozzle in the waste injecting apparatus of FIG. 2; And
Fig. 4 is a front sectional view showing the injection nozzle of Fig. 3; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a side cross-sectional view showing a waste injecting apparatus applied to a waste drying apparatus according to a preferred embodiment of the present invention, FIG. 3 is a side sectional view showing the structure of the injection nozzle in the waste injecting apparatus of FIG. 2, 3 is a front sectional view showing an injection nozzle.

2 to 4, a waste input device 100 according to a preferred embodiment of the present invention is a device for injecting waste into the waste heat exchanger 1 by moving the waste by the hot / A drying chamber (40) in which a secondary drying chamber (40) for secondary drying the waste having passed through the primary drying chamber and the secondary drying chamber for secondary drying by the hot air is formed, (110) extending from the outside of the drying chamber (40) to the inner center of the one end of the primary drying chamber (20) in such a state that the compressed air and waste are introduced into the drying chamber And a jetting section 120 connected perpendicularly to the drying chamber 40 so that the waste is radially diffused from the inner center of the primary drying chamber by compressed air.

Here, the waste drying apparatus includes a primary drying chamber for allowing the waste to be dried while being moved by high-temperature / high-speed hot air generated by the hot air means 10, and a secondary drying chamber for drying the waste passing through the primary drying chamber The second drying chamber 40 is formed in a radial manner at a predetermined interval on the inner walls of the primary drying chamber and the secondary drying chamber, and is continuously and obliquely formed in the longitudinal direction of the inner wall to stir the waste. (Not shown) for rotating the drying chamber 40, which is located outside the secondary drying chamber, and a rotating means (not shown) for rotating the drying chamber 40, (Not shown) in which cooling air is injected into the surface of the secondary drying chamber to cool the surface of the secondary drying chamber through heat exchange, and a cooling chamber And a spiral blade (not shown) formed in a spiral shape on the inner wall to form a vortex flow path so as to quickly cool the surface of the secondary drying chamber while cooling air swirls. 1097899, etc., so that a detailed description thereof will be omitted.

The input unit 110 is a multi-structure input unit that is vertically constructed from the outside to the inner center of one end of the primary drying room so that the compressed air and the waste are introduced into the compressed air inlet pipe 111 And a waste input pipe 112 into which the waste is injected from the outside with a structure for surrounding the compressed air injection pipe 111. [

The compressed air inlet pipe 111 allows compressed air to be injected from the outside into the primary drying chamber so that the waste supplied from the waste input pipe 112 is diffused into the primary drying chamber. And has a pipe structure in which compressed air is introduced into the compressed air inlet 111a during an opening operation according to control of a valve or the like in a state of being connected through a pipe.

The waste input pipe 112 has a structure that encloses the compressed air inlet pipe 111 and allows waste to be injected from the outside so that the waste is diffused into the primary drying chamber by the compressed air introduced through the compressed air inlet pipe 111 And has a pipe structure in which waste is introduced into the waste input port 112a during an opening operation according to control of a valve or the like in a storage space such as a silo.

Since the waste has a high water content of about 60% to 85%, it has a low viscosity and can easily flow along the flow path of the waste input pipe 112 in the form of water and sludge, It can be freely dropped and flowed into the waste inlet 112a of the waste input pipe 112 without a conventional screw pipe or the like in the opening operation according to the control of a valve or the like in the storage space.

The wastewater inlet pipe 112 is further provided with a vortexing vane 112b formed therein at an oblique angle continuously in the longitudinal direction along the wall surface so that the waste input pipe 112 is perpendicular to the primary drying chamber It is preferable that the waste is swirled so as to flow rapidly so as not to be adsorbed on the inner wall surface of the waste input pipe 112 or the like.

The injection unit 110 of the present invention may further include a cooling air inlet pipe 113 having a structure for surrounding the waste input pipe 112 and supplying cooling air from the outside, It is good.

The cooling air inlet pipe 113 prevents the outside of the waste input pipe 112 of the input unit 110 extending to the primary drying room from being heated by hot air to weaken the fire resistance, In addition, at the same time, in order to prevent the waste from being diffused into the primary drying chamber and to be dried inside the waste input pipe 112, And has a pipe structure in which cooling air is introduced into the cooling air inlet 113a during the opening operation.

When the cooling air inlet pipe 113 is formed outside the waste input pipe 112 as described above, as the outside of the waste input pipe 112 is cooled, It is possible to prevent the thick steel member or the refractory member from being used, and thus the manufacturing cost and the maintenance cost can be reduced.

In the meantime, in the present invention, the introduction part 110 is configured to be perpendicular to the drying chamber 40, but it is also possible that the waste may be formed at an oblique angle have.

The jetting section 120 is vertically connected to the end of the charging section 110 so as to be parallel to the drying chamber 40 so that the waste is radially diffused from the inner center of the primary drying chamber by the compressed air, A compressed air injection pipe 121 communicating with the compressed air inlet pipe 111 to inject compressed air into the primary drying chamber and a waste air inlet pipe 112 having a structure to surround the compressed air injection pipe 121, And the waste spray pipe 122 for allowing the waste to be sprayed into the interior of the primary drying chamber.

That is, in the case of the jetting section 120, the housing having the structure of the compressed air injecting tube 121 and the waste injecting tube 122 is integrally or interchangeably provided at the end of the introducing section 110.

The compressed air spraying pipe 121 is connected to the compressed air introducing pipe 111. The compressed air is supplied from the waste input pipe 112 to the waste discharge pipe 122 in a state where the waste is radially diffused into the primary drying chamber 111, A compressed air spray hole 121a having an inclination toward the waste spray pipe 122 surrounding the outside of the compressed air spray pipe 121 is formed at an end opposite to the compressed air injection pipe 111, The waste in the sludge state can be spread by spraying the compressed air.

The waste spraying pipe 122 discharges the waste radially into the primary drying chamber 121 by the compression force of the compressed air injected from the compressed air spraying hole 121a in a state of being connected to the waste input pipe 112 The waste introduced into the waste spray hole 122a formed at the end located inside the primary drying chamber is radially diffused by the compressed air discharged from the compressed air spray hole 121a formed toward the waste spray hole 122a, And dried by the hot air supplied to the inside of the primary drying chamber.

Since the wastes have a high water content of about 60% to 85%, they have a low viscosity and are not yet aggregated into lumps. Therefore, the wastes are introduced into the waste injection pipe 112 and the waste injection pipe 122 in the form of water and sludge The particles can be spread by spraying with the compressed air having a size of about 1 mm to 10 mm by the compressed air as described above to increase the contact area with the hot air per each particle, The drying efficiency can be improved.

The waste spray pipe 122 is further provided with a swirling vane 122b which is formed continuously at an oblique angle in the longitudinal direction along the wall surface so that the waste input pipe 112 is perpendicular to the primary drying chamber When constructed, it is preferred that the waste swirl and flow rapidly and be diffused and dispersed radially into the primary drying chamber while being mixed with the compressed air in this state.

The injection unit 120 of the present invention is preferably configured such that when the charging unit 110 has the cooling air inlet pipe 113, the waste water injection pipe 122 is enclosed and cooling air is supplied from the outside And a cooling air injecting pipe 123 for supplying the cooling air.

The cooling air injection pipe 123 is connected to the cooling air inlet pipe 113 so that the outside of the waste injection pipe 122 of the injection unit 120 located in the primary drying chamber is heated by hot air to weaken the fire resistance And at the same time, to prevent the waste from being diffused into the primary drying chamber and to be dried inside the waste spraying pipe 122, the cooling air is blown through the cooling air spraying hole 123a formed at the end portion So that hot air can not be transmitted to the outside of the waste spray pipe (122).

As the outside of the waste spray pipe 122 is cooled by the cooling air spray pipe 123, the waste spray pipe 122 is exposed to the internal space of the primary drying chamber, It is possible to prevent the thick steel member or the refractory member from being used, and thus the manufacturing cost and the maintenance cost can be reduced.

Hereinafter, the operation of the waste input apparatus 100 according to the preferred embodiment of the present invention will be described in detail.

First, the RPF fuel is burned by the hot air means 10, hot air of high temperature / high speed is supplied to the first movement space through the hot air inflow pipe of the primary drying chamber, and at the same time, 1 Waste is put into the moving space.

At this time, it is preferable that the primary drying chamber is rotated by a rotating means for rotating the secondary drying chamber at a constant speed in a predetermined direction.

Here, waste input by the waste input device 100 is performed by the following operation.

First, compressed air is introduced into the compressed air inlet pipe 111 of the input unit 110, which is vertically formed in the primary drying chamber, and then compressed air is injected into the compressed air injection pipe 121 of the injection unit 120, The compressed air is injected into the primary drying chamber.

After the waste is introduced from the outside into the waste input pipe 112 of the input unit 110 constructed vertically to the primary drying chamber, the waste is injected through the waste injection pipe 122 of the injection unit 120, The waste is radially diffused from the center of the primary drying chamber by the compressed air discharged from the compressed air spraying hole 121a formed toward the waste spraying pipe 122. At this time,

In this case, since the waste has a high water content, it can flow by gravity to the waste input pipe 112 and the waste injection pipe 122 with water and sludge due to a low viscosity, And can be spread by spraying with particles having a size of 1 mm to 10 mm by the compressive force of air.

A cooling air flow tube for covering the outside of the waste injection pipe 112 and the waste injection pipe 122 is formed in the injection unit 110 and the injection unit 120 of the waste input apparatus 100, It is preferable to improve the fire resistance against hot air.

Thereafter, the waste is dried by being moved along the first movement space from one end of the primary drying chamber to the other end by the hot air.

Thereafter, the waste moved to the other end of the primary drying chamber is dried while being moved along the second movement space from the other end of the secondary drying chamber to the one end by the hot air.

The hot air moved along the second movement space to one end of the secondary drying chamber is supplied to the purification means through the exhaust pipe formed at one end of the secondary drying chamber and is discharged into the atmosphere in a state where the harmful substances are purified.

In this case, since the wastes are dispersed and sprayed into particles having a size of 1 mm to 10 mm as described above, the contact area with hot air is increased, and the gluing time due to rapid drying is minimized, thereby enabling complete drying.

Accordingly, the waste sludge having a high water content of about 60% to 85% is diffused and supplied to the inside of the drying chamber by the compressed air, so that the glue zone, which is the time for rapid drying and agglomeration by the hot air, So that the drying efficiency can be improved.

Although the present invention has been described with reference to the specific embodiments, various modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the invention is not to be determined by the embodiments described, but should be determined by equivalents of the claims and the claims.

Claims (8)

(110) extending from the outside of the drying chamber (40) of the waste drying apparatus to the inner center portion and allowing compressed air and waste to be introduced, respectively; And a jetting part 120 connected to the end of the charging part 110 so as to be parallel to the drying chamber 40 so that the waste is radially diffused from the inner center part of the drying chamber 40 by the compressed air,
The charging unit 110,
A compressed air inlet pipe (111) into which compressed air is injected from the outside;
A waste input pipe 112 having a structure for enclosing the compressed air input pipe 111 and receiving waste from the outside; And
A cooling air inlet pipe (113) having a structure for enclosing a waste input pipe (112) and into which cooling air is supplied from the outside is constructed in a multi-structure,
The jetting section (120)
A compressed air injection pipe (121) communicating with the compressed air supply pipe (111) to inject compressed air into the drying chamber (40);
A waste spray pipe (122) having a structure to surround the compressed air spray pipe (121) and communicating with the waste input pipe (112) and discharging the waste into the drying chamber (40); And
And a cooling air injection pipe (123) having a structure for enclosing the waste spray pipe (122) and introducing cooling air from the outside,
The waste input pipe 112,
A vortex blade 112b is formed in the inside in the longitudinal direction along the wall surface and formed at an oblique angle,
The waste dispensing tube (122)
And a vortex blade (122b) formed continuously and longitudinally at an oblique angle along the wall surface. delete delete delete delete 2. The compressor according to claim 1, wherein the compressed air injection pipe (121)
Wherein a compressed air injection hole (121a) inclined toward a waste injection pipe (122) surrounding the outside of the compressed air injection pipe (121) is formed at an end opposite to the compressed air injection pipe (111) Device. delete delete
KR1020150075163A 2015-05-28 2015-05-28 Waste injecting apparatus KR101791649B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150075163A KR101791649B1 (en) 2015-05-28 2015-05-28 Waste injecting apparatus

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Application Number Priority Date Filing Date Title
KR1020150075163A KR101791649B1 (en) 2015-05-28 2015-05-28 Waste injecting apparatus

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KR20150093133A KR20150093133A (en) 2015-08-17
KR101791649B1 true KR101791649B1 (en) 2017-11-03

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100648966B1 (en) 2003-07-18 2006-11-27 장명석 A Food-refuse drier
KR200451768Y1 (en) * 2010-08-26 2011-01-10 (주)에스앤씨 Sludge injection nozzle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100648966B1 (en) 2003-07-18 2006-11-27 장명석 A Food-refuse drier
KR200451768Y1 (en) * 2010-08-26 2011-01-10 (주)에스앤씨 Sludge injection nozzle

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