KR101567444B1 - Filter of hydrothermal carbonization device - Google Patents

Filter of hydrothermal carbonization device Download PDF

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Publication number
KR101567444B1
KR101567444B1 KR1020150074790A KR20150074790A KR101567444B1 KR 101567444 B1 KR101567444 B1 KR 101567444B1 KR 1020150074790 A KR1020150074790 A KR 1020150074790A KR 20150074790 A KR20150074790 A KR 20150074790A KR 101567444 B1 KR101567444 B1 KR 101567444B1
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KR
South Korea
Prior art keywords
hydrothermal
closed type
type reactor
reactor
mesh
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KR1020150074790A
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Korean (ko)
Inventor
주보경
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신명산업 주식회사
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Priority to KR1020150074790A priority Critical patent/KR101567444B1/en
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Publication of KR101567444B1 publication Critical patent/KR101567444B1/en

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Disclosed is a filtering apparatus for a hydrothermal carbonization reactor with enhanced transportability and filtration performance. The filtering apparatus of the present invention generates water vapor pressure and induces hydrothermal carbonization by putting raw materials in a closed reactor (20) and then applying heat thereto, and allows the hydrothermal carbonized materials to be sprayed through a spray nozzle (31) after completion of the hydrothermal carbonization by using the water vapor pressure generated from the closed reactor (20). Furthermore, solidliquid separation takes place as the hydrothermal carbonized materials sprayed through the spray nozzle (31) bump on a multilayered mesh assembly (50), thereby transporting the hydrothermal carbonized materials smoothly and improving filtration performance as well.

Description

[0001] FILTER OF HYDROTHERMAL CARBONIZATION DEVICE [0002]

The present invention relates to a filtration apparatus of a hydrothermal carbonization tank, and more particularly, to a filtration apparatus of a hydrothermal carbonization tank capable of improving transferring and filtering performance of hydrothermal carbide by using steam pressure generated inside a closed type reactor without applying any additional pressure will be.

Biomass refers to organisms (agricultural products or by-products, wood, plants, etc.) that can be used as an energy source or industrial raw material and can be produced indefinitely because they are produced by the action of solar energy, air, water and soil.

In addition, organic waste refers to food waste, wastewater sludge, livestock manure, agricultural byproducts, and is generated daily in daily life and industry.

Solid fuels produced from these biomass and organic wastes are carbon-neutral sources of energy that do not increase CO concentrations in the atmosphere.

Generally, hydrothermalization is a process in which a mixture of a material having a low water content and water or a material having a high water content is heated in a closed reactor, and the water is saturated by heating and the carbonation reaction proceeds as water vapor pressure is generated.

Such hydrothermal carbonization causes the water present in the food wastes, wastewater sludge, livestock sludge, livestock fodder and agricultural by-products of high moisture content to be subjected to the carbonization reaction using the water without being subjected to the drying process, Is a technology that can obtain.

Unlike wastewater sludge, it is difficult to transport woody raw materials through a pipe, and most of the woody raw materials have a relatively larger specific gravity than water, which causes sinking or clogging in the valve during transportation. That is, there is a problem that it is difficult to transport the fuel in the process of producing solid fuel.

US Patent Application Publication No. US2012 / 0110896 (Method for wet torrefaction a biomass 2012.05.10)

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a filtration apparatus for a hydrothermal carbonization tank, which facilitates the transfer in the process of producing a solid fuel having a high calorific value using a hydrocarbonation reaction.

It is still another object of the present invention to provide a method for separating a solid solution from a charcoal which is separated from the inside of a filter by removing a considerable amount of solids and facilitating the transfer to a pipe and separating a solid solution using steam pressure generated inside the closed type reactor, And thus the production time can be shortened.

In order to achieve the above object, the present invention provides a filtration apparatus for a hydrothermal carbonation tank, comprising a raw material feedstock into a closed type reactor, which is heated to generate hydrothermal carbonation, generates steam pressure, and utilizes steam pressure generated in the closed- The hydrothermal carbide injected through the injection nozzle collides with the multi-layer mesh assembly, and the solid-liquid separation is performed.

More preferably, the closed type reactor is connected to a supply flow path connected to a hopper to which a raw material is injected at one side, and a heater and a stirrer are installed inside.

More preferably, a pump is provided at one side of the supply passage connected to the hopper, and a three-way valve is provided at the other side of the supply passage connected to each closed type reactor.

More preferably, the mesh assembly divides the inside of the filter into an upper space and a lower space, and the injection nozzle is installed in the upper space so as to inject the hydrothermal carbide toward the mesh assembly.

More preferably, a door for opening and closing the upper space is provided.

More preferably, the lower space is connected to a return flow path for guiding the carbonized liquid separated by the mesh assembly to the closed type reactor.

More preferably, the return flow path is equipped with a pump for transferring the carbonized liquid to the closed type reactor.

More preferably, the mesh assembly is formed of a plurality of mesh layers, and the mesh layer near the injection nozzle is formed to have a larger mesh size than the mesh layer far from the injection nozzle.

More preferably, a catalyst containing phosphoric acid is added to the closed reactor.

More preferably, when the raw material is woody biomass, a mixed catalyst of calcium chloride and phosphoric acid is added to the closed type reactor.

As described above, the filtration apparatus of the present invention can remove the solids contained in the carbonized liquid using the mesh layer provided in the filter, so that the carbonated liquid can be easily transferred by the return flow path, thereby improving workability.

The filtration apparatus of the hydrothermal carbonation tank according to the present invention has an effect of improving the filtration performance and shortening the filtration time because the hydrothermal carbide is sprayed onto the mesh layer at a high pressure using the steam pressure generated in the closed type reactor. Further, since the closed type reactor does not require a separate cooling time, the production time can be shortened.

In addition, the filtration apparatus of the present invention can reduce the mesh size of the mesh assembly toward the direction far from the injection nozzle, thereby improving the filtration performance and improving the filtration speed .

1 is a state diagram showing a filtration apparatus of a hydrothermal carbonation tank, which is a preferred embodiment of the present invention.
2 is a flow chart illustrating the hydrothermalization process;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a filtering apparatus of a hydrothermal carbonation tank according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Here, the shape, size, ratio, angle, number and the like shown in the accompanying drawings are schematic and may be modified somewhat. 2) Since the drawing is shown by the line of sight of the observer, the direction or position to explain the drawing can be variously changed according to the position of the observer. 3) The same reference numerals can be used for the same parts even if the drawing numbers are different. 4) If 'include', 'have', 'have', etc. are used, other parts can be added unless '~ only' is used. 5) Numerals can also be interpreted as described in the singular. 6) Even if the shape, size comparison, positional relationship, etc. are not described as 'weak or substantial', it is interpreted to include the normal error range. 7) 'after', 'before', 'after', 'after', and 'after' are not used to limit the temporal position. 8) The terms 'first, second, third', etc. are used selectively, interchangeably or repeatedly for convenience of division, and are not construed in a limiting sense. 9) If the positional relationship of the two parts is described as 'on top of', 'on top', 'on bottom', 'on side', 'on side' and so on, This can also be located. 10) When parts are electrically connected to '~ or', parts are interpreted to include not only singles but also combinations, but parts are interpreted solely if they are electrically connected to '~ or'.

FIG. 1 is a state diagram showing a filtration apparatus of a hydrothermal carbonization tank, which is a preferred embodiment of the present invention, and FIG. 2 is a flowchart showing a hydrothermal carbonization process.

1 and 2, a filtration apparatus of a hydrothermal carbonation tank, which is a preferred embodiment of the present invention, includes a hopper 11 into which fuel is input, a hopper 11 through which fuel is supplied, A plurality of closed type reactors 20, a filter 40 connected to the closed type reactor 20 to receive hydrocarbons, and a mesh assembly 50 mounted inside the filter 40 to separate a solid solution do.

The hopper 11 is formed in a funnel shape with a wide opening so that the raw material can be supplied. The raw material to be fed into the hopper 11 is biomass. In the biomass, a material having a low water content is mixed with water, and a material having a high water content is directly supplied to the closed type reactor 20 through the hopper 11.

The hopper 11 is connected to the upper end of the closed type reactor 20 through the supply flow path 10. A pump 12 is mounted in the middle of the supply passage 10. The pump 12 generates a force for transferring the raw material introduced into the hopper 11 to the closed type reactor 20.

The supply flow path 10 is branched so as to be connected to the plurality of closed type reactors 20. A three-way valve 13 is mounted at a point where the supply flow path 10 branches so as to be connected to each closed type reactor 20.

The closed type reactor 20 is configured in a container shape forming a closed space. A heater (21) is mounted inside the closed type reactor (20). The heater 21 may be formed in the inner space or may be disposed on the peripheral surface of the closed reactor 20. Inside the closed type reactor 20, an agitator 22 is mounted. The shape of the stirrer 22 protruding in the form of a branch rotates and mixes the substances therein. The stirrer 22 is preferably connected to the rotating shaft of the motor and rotated.

The lower end of the closed type reactor 20 and the upper end of the filter 40 are mounted so that the connection flow path 30 is communicated. An injection nozzle (31) is mounted on the end of the coupling flow path (30) on the side of the filter (40). The injection nozzle 31 preferably has a shape in which the inner diameter of the injection nozzle 31 is reduced toward the end. However, in the present invention in which the injection nozzle 31 is sprayed at a high pressure by using water vapor pressure, It is also possible.

The filter (40) has a tubular shape having an internal space. A mesh assembly (50) is mounted inside the filter (40). The mesh assembly 50 divides the inner space of the filter 40 into an upper space 41 and a lower space 42. The injection nozzle 31 is mounted on the ceiling of the upper space 41. The injection angle is maintained such that the injection nozzle 31 injects the hydrothermal carbide toward the mesh assembly 50.

A door (60) is formed at one side of the upper space (41) of the filter (40). The solids filtered at the upper end of the mesh assembly 50 can be removed through the door 60. At the entrance of the door 60, a separate transfer tray is mounted, or a basket for collecting solids as shown.

The lower space (42) of the filter (40) is filled with the separated carbonated liquid. One side of the return flow path (70) is connected to the lower space (42). The other side of the return flow passage 70 is connected to the three-way valve 13 provided in the supply flow passage 10. The return flow path 70 is connected to each closed type reactor 20 in accordance with the opening and closing of the three-way valve 13. A valve 71 and a pump 72 are mounted in the middle of the return flow path 70. The pump 72 generates a force to transfer the carbonized liquid filled in the filter 40 to the closed type reactor 20.

The mesh assembly 50 is preferably mounted horizontally within the strainer 40, but may be inclined so that the door 60 may be positioned slightly lower. The mesh assembly 50 has a structure in which a plurality of mesh layers 51, 52, and 53 are stacked. The mesh size of the uppermost mesh layer 51 is the largest, and the mesh size decreases gradually toward the lower end. Each mesh layers 51, 52 and 53 are polypropylene, polyethylene, and may be composed of cotton, nylon, stainless steel (Stainless) or the like, substantially temperature is 150 ~ 180 ℃, pressure material to withstand 5 ~ 10kg / cm 2 . Although stainless steel is preferable, it may be made of a material other than stainless steel.

The operation of the filtration apparatus of the hydrothermal carbonization tank, which is a preferred embodiment of the present invention, is as follows.

As shown in FIG. 2, when materials such as biomass or organic waste are mixed and fed into the hopper 11, the introduced raw material is introduced into the closed type reactor 20 through the supply flow path 10 (S1). At this time, a catalyst including phosphoric acid may be added together with the raw material to promote the hydrothermal reaction. When the raw material is a woody biomass, it is preferable to add a mixed catalyst of calcium chloride and phosphoric acid.

When wood waste is used as a raw material, it is preferable that the raw material is pulverized within 50 mm. Since the moisture content of the wood waste used as raw material is less than 5%, it can be mixed with water to have a water content of 50% or more for the progress of hydrothermal carbonization.

Next, the heater 21 is operated to heat the inside of the closed type reactor 20 to 200 to 300 ° C. By this heat, the hydrothermal reaction of the raw material proceeds (S2).

This reaction does not apply any additional pressure as the temperature of the closed type reactor 20 is raised to generate water vapor pressure. Also, since the material inside the closed type reactor 20 may sink to the bottom due to the specific gravity difference with water, the agitator 22 is operated to stir the reaction time so that the materials can be mixed evenly. And the heat transfer is actively performed by the stirrer 22.

When the temperature of the closed type reactor 20 reaches 180 to 150 ° C. and the saturated water vapor pressure reaches 10 to 5 kg / cm 2, the valve of the closed type reactor 20, in which the hydrocarburization reaction proceeds, (S3) to the filter (40) through the filter (30). In the spraying step S3, the hydrothermal carbide is injected toward the mesh assembly 50 by the injection nozzle 31 provided at the end of the connection passage 30. [ The hot hydrocarbons injected at this time are injected with a strong force by the water vapor pressure in the closed type reactor 20, and the solid liquid separation performance is improved by the force. The hydrothermal carbide injected at a high pressure collides with the mesh assembly 50, and the solid-liquid separation step S4 proceeds.

The mesh assembly 50 has a structure in which the mesh layers 51, 52, and 53 are formed in order from the mesh size to the small mesh size, so that the solid hydrolysis of the hot hydrocarbons injected in a high liquid level is smoothly performed. The carbonized liquid filtered by the mesh assembly 50 passes through the mesh assembly 50 and is filled in the lower space 42.

The carbonized liquid filled in the lower space 42 of the filter 40 is sent to the closed type reactor 20 through the return flow path 70 and proceeds to the reused carbonated liquid step S5.

When the pressure inside the filter 40 reaches 0 kg / cm 2 after discharging the carbonized liquid, the door 60 is opened, and the solids after the drying step S6 are discharged through the door 60 into the upper space 41 And is discharged to the outside.

The discharged solids are processed into solid fuel using a molding machine.

As described above, since the filtration apparatus of the hydrothermal carbonation tank according to the present invention utilizes the water vapor pressure generated inside the closed type reactor 20, the hydrothermal carbide is smoothly conveyed and the hydrothermal carbide is sprayed toward the mesh assembly 50 The filtration performance is improved.

In addition, since the filtration can be performed without a separate cooling step after the hydrothermal reaction, the operation time is shortened.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

10: Supply channel
11: Hopper
20: Closed reactor
30: Connection channel
40: Filter
50: mesh assembly
60: Door
70: return flow path

Claims (10)

The raw material is placed in the closed type reactor 20, heat is applied to the reaction system, hydrothermal carbonization is performed, water vapor pressure is generated,
The hydrothermal carbide having completed the hydrothermal carbonization is injected through the injection nozzle 31 using the steam pressure generated in the closed type reactor 20,
The hydrothermal carbide injected through the injection nozzle 31 collides with the multi-layer mesh assembly 50 to perform solid-liquid separation,
The closed reactor (20) is connected to a supply passage (10) connected to a hopper (11) into which a raw material is charged at one side,
A pump 12 is provided at one side of the supply passage 10 connected to the hopper 11 and a three-way valve 13 is provided at the other side of the supply passage 10 connected to each closed type reactor 20, Is provided in each of the first and second filtration apparatuses. delete delete The apparatus of claim 1, wherein the mesh assembly (50) is mounted in an intermediate region of the filter (40) to divide the interior of the filter into an upper space (41) and a lower space (42) 31) is installed in the upper space (41) so as to inject the hydrothermal carbide toward the mesh assembly (50). The filtration apparatus of claim 4, wherein a door (60) for opening and closing the upper space (41) is provided. 5. The apparatus according to claim 4, wherein the lower space (42)
And a return flow path (70) for guiding the carbonized liquid separated by the mesh assembly (50) to the closed type reactor (20) is connected. 7. The filtration apparatus of the hydrothermal carbonation reactor according to claim 6, wherein the return flow path (70) is equipped with a pump (72) for transferring the carbonized liquid to the closed type reactor (20). The method according to claim 1, wherein the mesh assembly (50) is formed of a plurality of mesh layers, and the mesh layer near the injection nozzle (31) Filtration apparatus of carbonization tank. The filtration apparatus of the hydrothermal carbonation reactor according to claim 1, wherein a catalyst containing phosphoric acid is charged into the closed type reactor (20). The filtration apparatus of the hydrothermal carbonization reactor as claimed in claim 1, wherein when the raw material is a woody biomass, a mixed catalyst of calcium chloride and phosphoric acid is fed into the closed type reactor (20).





KR1020150074790A 2015-05-28 2015-05-28 Filter of hydrothermal carbonization device KR101567444B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111019730A (en) * 2019-12-10 2020-04-17 固始龙海新能源科技有限公司 Multilayer-structure composite biomass granular fuel with stable heat release and preparation method thereof
KR102357549B1 (en) * 2021-04-22 2022-02-09 (주)키나바 Method for producing solid fuel that reduces odor by using hydrothermal carbonization of organic or inorganic waste, and solid fuel produced by the method
GB2620337A (en) * 2021-01-14 2024-01-03 Kinava Co Ltd Method for producing solid fuel with reduced odor using energy-saving hydrothermal carbonization reaction of organic or inorganic waste, and solid fuel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369960B1 (en) * 2013-10-02 2014-03-06 신명산업 주식회사 Manufacturing method for solid fuel using hydrothermal carbonization reaction
KR101481759B1 (en) * 2014-06-18 2015-01-12 이종아 Apparatus for drying sewage sludge by vaccum and method for manufacturing solid fuel with sewage sludge by vaccum

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369960B1 (en) * 2013-10-02 2014-03-06 신명산업 주식회사 Manufacturing method for solid fuel using hydrothermal carbonization reaction
KR101481759B1 (en) * 2014-06-18 2015-01-12 이종아 Apparatus for drying sewage sludge by vaccum and method for manufacturing solid fuel with sewage sludge by vaccum

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111019730A (en) * 2019-12-10 2020-04-17 固始龙海新能源科技有限公司 Multilayer-structure composite biomass granular fuel with stable heat release and preparation method thereof
CN111019730B (en) * 2019-12-10 2021-06-08 固始龙海新能源科技有限公司 Multilayer-structure composite biomass granular fuel with stable heat release and preparation method thereof
GB2620337A (en) * 2021-01-14 2024-01-03 Kinava Co Ltd Method for producing solid fuel with reduced odor using energy-saving hydrothermal carbonization reaction of organic or inorganic waste, and solid fuel
KR102357549B1 (en) * 2021-04-22 2022-02-09 (주)키나바 Method for producing solid fuel that reduces odor by using hydrothermal carbonization of organic or inorganic waste, and solid fuel produced by the method
WO2022225091A1 (en) * 2021-04-22 2022-10-27 (주)키나바 Method for producing solid fuel with reduced odor using energy-saving hydrothermal carbonization reaction of organic or inorganic waste, and solid fuel produced thereby

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