TWI744107B - Recycling device - Google Patents

Abstract

The invention provides a cyclic regeneration device, including a gasification pyrolysis device, a heat exchange device, a carbonization sintering device, a pulverizing device, a first drying device, a stirring device, a granulating device and a second drying device The device uses the gasification and pyrolysis device to gasify and pyrolyze the contained hard fiber material to generate biomass gas, and the heat exchange device collects the biomass fuel gas, cools and condenses it, and transports it to the carbonization sintering device for processing For the biomass gas required for combustion, after the sludge agglomerates are crushed into sludge powder by the pulverizing device, the first drying device dries the sludge agglomerates to reduce the water content, and the stirring device Then add a suitable additive to the sludge powder and stir to form a sludge mixture. The granulation device granulates the sludge mixture and then is dried by the second drying device to reduce the pollution. The water content of the mud mixture is sent to the carbonization sintering device to sinter it at a high temperature to become a plurality of porous materials, and the waste heat generated by the carbonization sintering device can also be used for a power generation device to generate electricity.

Description

Recycling device

The present invention relates to a technology for reusing an agricultural waste with hard fiber material and waste sludge whose heavy metal content is within the range specified by the law of the environmental protection law, especially a kind of gasification of agricultural waste with hard fiber material The biomass gas produced after pyrolysis is used as a fuel, and the biomass gas is used to sinter the sludge mixture in a granular shape and mixed with appropriate additives, so that the waste sludge becomes high under the permissible laws and regulations. Value-added recycling device for porous materials.

In general, sludge or industrial renewable resources will not only produce organic volatile undesirable gases (hazardous gases), but may also contain heavy metals and pathogenic microorganisms. In addition, these sewage sludge or sewage sludge or organic sludge from sewage treatment plants actually contain a large amount of organic matter and rich nutrients needed for plant growth, such as nitrogen, phosphorus, potassium, and magnesium. , Calcium, sulfur and other trace elements.

In addition, although these sludge contains heavy metal components, after proper treatment, the content of these heavy metal components in the sludge can be made to comply with relevant laws and regulations, and the treated sludge can be used as legal conditions. Use of alternative raw materials for construction or building materials required for the construction of sponge cities, such as: cement raw materials or admixtures, asphalt mixtures, artificial granular materials, lightweight aggregates, foamed aggregates, thermal insulation materials or Permeable building materials and other applications, and comply with relevant laws and regulations; in addition, some sludge comes from sewage, reservoir bottom sludge, water plant bottom sludge, water purification plant sludge, municipal sewage plant sludge, general industrial sewage plant sludge or economic Volume reduction of general sludge and other low-hazard sludges. Therefore, when these low-hazard sludges are processed, they contain high-nutrient substances that are beneficial to crops, such as nitrogen, phosphorus, potassium, magnesium, Calcium, sulfur and other trace elements, so it can The treated low-hazard sludge is used as a soil conditioner for agriculture or particles with a water volume adjustment effect, which has quite good economic, environmental, and social benefits.

In addition, agricultural wastes of general hard fiber materials, such as coconut husks, palm husks, long-fiber agricultural wastes, and wood pruning materials, are usually directly burned after being exposed to the sun, causing air pollution, but Proper treatment of these agricultural wastes can produce biomass gas as fuel. In the process of producing biomass gas, the biomass gas is washed, condensed, and other processes to separate the organic mixture and trace amounts. The elements can be used as a natural wood tar liquid for crop nutrients and insect repellent and sterilization after professional process. This wood tar liquid is also commonly known as wood vinegar liquid. After professional process Feeding livestock to reduce the amount of antibiotics, or to reduce the odor of livestock manure and other purposes.

Therefore, how to use the biomass gas produced by gasification and pyrolysis of agricultural waste to sinter harmless waste sludge, so that the waste sludge and agricultural waste can be converted into renewable materials, such as: biochar, organic acid, and biomass Gas and green energy for power generation, etc., will help the reuse of resources to achieve the so-called circular economy.

The purpose of the present invention is to provide a method for sintering waste sludge with heavy metal content in compliance with laws and regulations by using biomass fuel gas generated by gasification and pyrolysis of agricultural waste, and to make the granular sludge into porous sludge with high added value. Recycling device for natural materials. These porous materials have the functions of water absorption, light weight, filtration and catalysis, and the biomass gas produced by them can be used as biomass fuel, thereby reducing the use of fuel, natural gas and other resources to achieve savings The purpose of energy, and the biochar formed by the agricultural waste after gasification and pyrolysis. This biochar can not only be added to the soil for soil improvement purposes, and the generated carbon can be activated by the activation device to become activated carbon. It has a wider range of uses, and it has practical value to achieve resource recycling and enhance the added value of reused products.

In order to achieve the above-mentioned object, the present invention provides a cyclic regeneration device, which sinters a mixture of multiple sludges in granular form by sintering a piece of biomass gas produced by the gasification and pyrolysis process of a plurality of hard fiber materials in a block shape. Become a plurality of porous materials, the recycling device includes a gasification pyrolysis device, a heat exchange device, a carbonization sintering device, a crushing device, a first drying device, a stirring device, a granulation device and a first Two drying devices, wherein the gasification and pyrolysis device includes a first heating space for accommodating the hard fiber materials, a second heating space provided under the first heating space, and a second heating space provided under the first heating space. A partition unit between a heating space and the second heating space, a first heating unit arranged in the first heating space, a pushing unit arranged in the first heating space, and an electrically connecting the first heating unit and The control unit of the pushing unit, wherein the gasification pyrolysis device causes the hard fiber materials to generate the biomass fuel gas, and the hard fiber materials are formed into a plurality of biochars, and the spacer unit has a plurality of continuous Through the through holes to allow the pushing unit to push the biochar formed by the hard fiber materials through the gasification and pyrolysis process to the second heating space; the heat exchange device uses a second heating space A collecting pipeline collects the biomass gas in the first heating space in the gasification pyrolysis device; and the biomass gas is cooled and condensed by the heat exchange device and then transported to the carbonization sintering device as a combustion plant Required gas, and a wood tar liquid produced during cooling and condensation will be collected in a cooling system; secondly, the crushing device will remove sewage sludge, reservoir sludge, water plant sludge, water purification plant sludge or sewage After the plural sludge agglomerates composed of at least one of the sludge in the plant are crushed into plural sludge powders, the sludge powders will be processed by the first drying device equipped with a third heating unit After drying to reduce its moisture content, the dried sludge powder is transported to the mixing device, and the mixing device adds the dried sludge powder and a batching unit of the mixing device At least one additive is stirred to become a sludge mixture containing silicon components, wherein the batching unit provides the additive corresponding to the sludge powder according to the material characteristics of the sludge agglomerates; the granulation device After granulating the sludge mixture from the stirring device, the sludge mixture is formed into the sludge mixture in a granular shape, and then dried by the second drying device Dry and reduce the moisture content of the sludge mixture in granular shape, and transport it to a sintered tube unit of the carbonization and sintering device. The sintered tube unit will make the sludge mixture in granular shape after high temperature sinter It becomes a plurality of porous materials. After the sludge agglomerates are analyzed by the toxic characteristic dissolution process, the heavy metal content of the sludge agglomerates conforms to the law.

Further, the first drying device is further provided with a first thermal connection pipe connected to the carbonization and sintering device, and the second drying device is further provided with a second thermal connection pipe connected to the carbonization and sintering device.

Furthermore, the first drying device measures the weight of the sludge powder before drying and the weight after drying, and makes the sludge powder dry after being dried by the first drying device. The moisture content is between 50% and 80%.

Further, the second heat exchange unit is further provided with a first fractionating pipe for collecting a wood tar liquid produced by condensation of the biomass fuel gas and a cooling system connected to the other end of the first fractionating pipe, and the wood tar liquid Containing organic acids and trace elements, the cooling system collects the wood tar liquid and maintains the temperature between 5°C and 85°C.

Further, the sintered tube unit further has at least one outer tube that rotates in a first direction, a plurality of inner tubes that are provided in a first inner space of each outer tube and can rotate in a second direction, and a plurality of inner tubes, respectively A screw arranged in a second inner space of each inner tube and capable of rotating in a second direction of the inner tube, wherein each of the inner tubes is provided with an input end connected to the second drying device, and each of the outer tubes An output end is connected to a discharging device, and the first inner space, the second inner space, the input end and the output end are connected to each other, and the first direction is different from the second direction.

Furthermore, the second drying device is further provided with a fourth heating unit electrically connected to the control unit. When the sludge mixture is output to the carbonization and sintering device, the moisture content is less than or equal to 30% and greater than 5%.

Further, the additive contains selected from calcium carbonate (CaCO ₃ ), iron oxide (Fe ₂ O ₃ ), aluminum oxide (Al ₂ O ₃ ), calcium oxide (CaO), Ca(OH) ₂ , manganese monoxide (MnO) ), manganese dioxide (MnO ₂ ), silicon _{dioxide (SiO 2} ), calcium sulfate (CaSO ₄ ), calcium phosphate (Ca ₃ (PO ₄ ) ₂ ), aluminum nitride (AlN) and silicon oxynitride (SiOxNy) At least one of the group.

Further, the carbonization and sintering device is provided with a steam generating unit on the second heating unit, and an activation device is provided between the second heating space of the gasification pyrolysis device and the steam generating unit, and the steam generating unit generates The gas will be delivered to the activation device, the biochar will be delivered from the second heating space to the steam generating unit, wherein the biochar in the activation device will react with the gas delivered by the steam generating unit It is converted into plural activated carbon and then output to the outside.

Further, the second heating unit maintains the temperature of the first internal space and the second internal space in the sintered tube unit between 300°C and 1050°C.

Further, a buffer unit is further provided between the second heat exchange unit and the second collection pipe of the heat exchange device.

Therefore, the present invention has the following beneficial effects compared with the prior art: (1) The inner tube and the outer tube of the sintered tube unit of the carbonized sintering device of the present invention are designed in a sub-and-mother type to save space; (2) the present invention Utilize the first thermal connection pipe and the second thermal connection pipe to provide the waste heat generated by the carbonization and sintering device to the first drying device and the second drying device for the heat energy required for drying to achieve recycling; ( 3) The porous materials produced by sintering the sludge in the present invention can be used as agricultural soil improvement materials, alternative raw materials for building materials, or related materials for building materials, and have very good economic and environmental benefits. And social benefits.

100: Recycling device

10: Gasification pyrolysis device

11: The first heating space

12: The second heating space

13: Interval unit

14: The first heating unit

15: control unit

16: Pushing unit

20: Heat exchange device

21: The first collection line

22: The first heat exchange unit

23: The second heat exchange unit

231: The first fractionation line

24: Cooling system

25: Buffer unit

30: Carbonization and sintering device

31: The second collection line

32: The first gas storage unit

33: Fan unit

34: The second heating unit

35: Sintered tube unit

351: Outer Tube

352: First Internal Space

353: Inner Tube

354: second inner space

355: Screw

356: Input

357: output

36: discharge device

37: auxiliary heating unit

38: Steam generating unit

40: Crushing device

50: The first drying device

51: The third heating unit

52: The first hot connection line

60: Stirring device

61: batching unit

70: Granulation device

80: The second drying device

81: The fourth heating unit

82: The second hot connection line

90: activation device

400: hard fiber material

410: Biochar

420: activated carbon

500: Biogas

600: Sludge agglomerates

610: sludge powder

620: Sludge Mixture

700: Porous material

800: wood tar liquid

900: power generation device

X: first direction

Y: second direction

Figure 1: The system configuration diagram of the recycling device of the present invention.

Figure 2: is a schematic diagram of the connection between the gasification pyrolysis device and the heat exchange device of the present invention.

Figure 3 is a schematic diagram of the structure of the carbonization sintering device of the present invention.

Figure 4: is a partial perspective perspective view of the gasification pyrolysis device of the present invention.

Figure 5: is a system configuration diagram of a recycling device according to another embodiment of the present invention.

Here are a few preferred implementation aspects of the technical features and operation methods of this application, which will be described in conjunction with the illustration below for review and reference. Furthermore, the figures in the present invention are not necessarily drawn according to the actual scale for the convenience of explanation, and the proportions in the figures are not used to limit the scope of protection of the present invention.

Regarding the technology of the present invention, please refer to Figures 1 to 4. The recycling device 100 of the present invention is a process of gasification and pyrolysis of a plurality of hard fibrous materials 400 in the form of blocks to produce a raw material. The mass gas 500 is used to sinter a plurality of sludge mixtures 620 in a granular shape to become a plurality of porous materials 700. The recycling device 100 includes a gasification pyrolysis device 10, a heat exchange device 20, and a carbonization sintering device 30. A crushing device 40, a first drying device 50, a stirring device 60, a granulating device 70, a second drying device 80, and an activation device 90.

The gasification pyrolysis device 10, please refer to FIGS. 2 and 4 again, includes a first heating space 11 for accommodating the hard fiber materials 400, and a first heating space 11 provided under the first heating space 11 The second heating space 12, a spacer unit 13 arranged in the first heating space 11 and the second heating space 12, a first heating unit 14 arranged in the first heating space 11, and a first heating unit 14 electrically connected to the first heating space 11 The control unit 15 of a heating unit 14 and a pushing unit 16 which is arranged in the first heating space 11 and electrically connected to the control unit 15, wherein the gasification pyrolysis device 10 causes the hard fiber materials 400 to produce the Biomass fuel gas 500, and the hard fiber materials 400 are formed into a plurality of biochar 410, and the spacer unit 13 has a plurality of through holes 131, so that the pushing unit 16 pushes the hard fiber materials 400 to be gasified The biochar 410 formed after the pyrolysis process falls into the second heating space 12 through the through holes 131, and the second heating space 12 has an inclined surface (not numbered) so that it can be collected and dropped Down to the biochar 410 on the inclined surface, the hard fibrous materials 400 in block shape in this embodiment can be coconut shells or palm husks that have been cut into blocks with a diameter of about 0.5 cm to 10 cm. Husks, rice husks, fruit husks, hard shells, wood chips, waste wood, rice stalks, corn bones, corn stalks, wheat husks, wheat stalks, rusks (space bags discarded after growing mushrooms), bark, branches, bamboo The water content of the hard fiber material 400 is between 3% and 25%. The diameter width of the through holes 131 is substantially larger than the width of the hard fiber material 400, so that the control unit 15 can control the pushing unit 16 to push the biochar 410 after the gasification and pyrolysis process. After passing through the through holes 131, the hard fiber materials 400 fall from the first heating space 11 to the second heating space 12 below, and it is convenient for the user to be heated by the second heating space. The space 12 takes out the hard fiber materials 400 that become the biochar 410 for reuse.

The heat exchange device 20 is connected to the gasification and pyrolysis device 10, and includes a first collection pipe 21 connected to the heating space 11, and a first heat exchange unit connected to the other end of the first collection pipe 21 22 and a second heat exchange unit 23 connected to the other end of the first heat exchange unit 22. In this embodiment, the first heat exchange unit 22 may be a washing tower, and the second heat exchange unit 23 may be a condensing tower , Wherein the second heat exchange unit 23 is further provided with a first fractionating pipe 231 for collecting a wood tar liquid 800 produced by condensation of the biomass gas 500 and a cooling system 24 connected to the other end of the first fractionating pipe 231 The wood tar liquid 800 contains organic acids and trace elements. The cooling system 24 collects the wood tar liquid 800 and maintains the temperature between 5°C and 85°C. The cooling system 24 can utilize the gasification pyrolysis device 10 to maintain the temperature of the wood tar liquid 800 in its cooling system 24, thereby preventing the wood tar liquid 800 from producing oil-water separation, and at the same time speeding up the trace elements and the wood tar liquid 800 contained in the wood tar liquid 800 The contained acetic acid component can be separated. In addition, the first heat exchange unit 22 and the second heat exchange unit 23 of the heat exchange device 20 can be added as multiple groups of the first heat exchange unit 22 according to requirements. With the second heat exchange unit 23.

The carbonization and sintering device 30 is connected to the heat exchange device 20. Please refer to FIG. 3 again. The carbonization and sintering device 30 includes a second collection pipe 31 connected to the second heat exchange unit 23, and a second collection pipe 31 for storing the second heat exchange unit 23. The first gas storage unit 32 of the biomass gas collected by the collection pipeline 31, a fan unit 33 electrically connected to the control unit 15, a second heating unit 34 electrically connected to the control unit 15, and a sintering unit The tube unit 35, wherein the second heating unit 34 burns the mixed gas that has been mixed with the biomass gas 500 in the first gas storage unit 32 and the external air provided by the fan unit 33, that is, the The mixed gas will generate flames from the furnace head (not numbered) of the second heating unit 34, whereby the second heating unit 34 can heat the sintering tube unit 35. Please refer to Fig. 3 again, and the sintering The tube unit 35 further has at least one outer tube 351 that rotates in a first direction X, a plurality of inner tubes 353 that are provided in a first inner space 352 of each outer tube 351 and can rotate in a second direction Y, and A plurality of screws 355 respectively arranged in a second internal space 354 of each inner tube 353 and capable of rotating with the second direction Y of the inner tube 353. The screws 355 are also electrically connected to the control unit 15 and used A turning device (not shown in the figure) makes the inner tube 353 and the outer tube 351 rotate in different directions, wherein each of the inner tubes 353 is provided with an input end 356 connected to the second drying device 80, and the outer tubes 351 Each is provided with an output end 357 connected to a discharging device 36, and the first inner space 352, the second inner space 354, the input end 356 and the output end 357 are in communication with each other, and the first direction X and the first direction X are connected to each other. The two directions Y are different. The carbonization sintering device 30 uses the second heating unit 34 to maintain the temperature of the first internal space 352 and the second internal space 354 in the sintering tube unit 30 between 300° C. and 1050° C. In addition, the carbonization sintering device 30 may further be provided with an auxiliary heating unit 37. When the biomass gas 500 provided to the second heating unit 34 is insufficient, the auxiliary heating unit 37 may provide a heat source or other combustible gas, for example: Natural gas, commercially available gas barrels, etc. are used to heat the carbonization and sintering device 30, and when the carbonization and sintering device 35 generates too much heat, it can be further used as a source of heat for other system equipment. Please refer to Figure 1 again. As shown in FIG. 3, the carbonization sintering device 30 is provided with a steam generating unit 38 on the second heating unit 34, whereby the steam generating unit 38 The water inside the second heating unit 34 can be heated to turn it into gas and output. In this embodiment, it is water vapor, but it is not limited to this.

The crushing device 40 crushes a plurality of sludge agglomerates 600 composed of at least one of sewage sludge, reservoir bottom sludge, water plant bottom sludge, water purification plant sludge or sewage plant sludge into plural sludge Powder 610, wherein the particle size of the sludge powder 610 is greater than or equal to 1mm and less than or equal to 5mm, and after the sludge agglomerates 600 are analyzed by the toxic characteristic dissolution process, the sludge is agglomerated The heavy metal content of the block 600 conforms to the law.

The first drying device 50 includes a third heating unit 51 and a first heat connecting pipe 52 for receiving the waste heat of the carbonization and sintering device 30, wherein the third heating unit 51 will be delivered to the first drying device 50 of the sludge powder 610 is dried, and the first drying device 50 measures the weight of the sludge powder 610 before and after drying, and makes the sludge powder The moisture content of the body 610 after being dried by the first drying device 50 is between 50% and 80%.

The stirring device 60 is connected to the first drying device 50 and includes a batching unit 61 that can provide a plurality of additives. The stirring device 60 receives the sludge powder 610 dried by the first drying device 50, The sludge powder 610 and at least one additive are stirred to form a silicon-containing sludge mixture 620, wherein the batching unit 61 provides the corresponding sludge agglomerates 600 according to the material characteristics of the sludge The additive for sludge powder 610, and the additive is selected from calcium carbonate (CaCO ₃ ), iron oxide (Fe ₂ O ₃ ), aluminum oxide (Al ₂ O ₃ ), calcium oxide (CaO), Ca(OH) ) _2. Manganese monoxide (MnO), manganese dioxide (MnO ₂ ), _{silicon dioxide (SiO 2} ), calcium sulfate (CaSO ₄ ), calcium phosphate (Ca ₃ (PO ₄ ) ₂ ), aluminum nitride (AlN ) And at least one of the group consisting of silicon oxynitride (SiOxNy).

The granulation device 70 is connected to the stirring device 60, and the sludge mixture 620 from the stirring device 60 is subjected to granulation treatment, so that the sludge mixture 620 is formed into granular shapes of the sludge The sludge mixture 620, wherein the granulation device 70 makes the particle size of the sludge mixture 620 in a granular shape greater than or equal to 0.2 mm and less than or equal to 50.0 mm. And the second drying device 80, one end is connected to the granulation device 70 for drying the sludge mixture 620 that has been granulated into a granular shape, and the other end is dried into a granular shape The sludge mixture 620 is transported to the connected carbonization and sintering device 30. The second drying device 80 is also provided with a fourth heating unit 81 electrically connected to the control unit 15 and a receiving device 30 for the carbonization and sintering. The second heat connection pipe 82 for waste heat, wherein the temperature of the second drying device 80 is maintained between 150°C and 300°C, and the granular shape of the sludge mixture 620 is output to the carbonization and sintering device 30 The moisture content is less than or equal to 30% and greater than 5%.

The activation device 90 has an accommodating space and one end is connected to the steam generating unit 38 and receives the gas generated by the steam generating unit 38, and the other end is connected to the second heating of the vaporization pyrolysis device 10 Space 12, and transport the biochar 410 in the second heating space 12 to the accommodating space of the activation device 90, and transport the biochar 410 and the steam generating unit 38 to the activation device 90 The gas reacts and turns into a plurality of activated carbons 420, and the activation device 90 then outputs the activated carbons 420 to the outside.

Wherein, the sludge mixture 620 in a granular shape is dried by the second drying device 80 and then transported to the sintering tube unit 35 of the carbonization and sintering device 30 for high-temperature sintering to become a plurality of the porous materials 700, and the porous materials 700 can be one of porous ceramic particles, porous ceramic soil, porous curbs, lightweight materials, or aggregates. The porous material 700 in this embodiment is porous ceramic particles.

Thereby, the gasification pyrolysis device 10 gasifies and pyrolyzes the hard fiber materials 400 in the first heating space 11 in a block shape to generate the biomass fuel gas 500, and uses the heat exchange device 20 to The biomass gas 500 is subjected to cooling and condensation treatment, and then the biomass gas 500 after cooling and condensation is sent to the carbonization and sintering device 30 as the gas required for combustion, and the wood tar produced during cooling and condensation The liquid 800 is collected in the cooling system 24. Secondly, the pulverizing device 40 pulverizes the sludge agglomerates 600 into the sludge powders 610, and then uses the first drying device 50 to grind the sludge. The sludge powder 610 is dried, so that the sludge powder 610 with a lower moisture content is easy to form the sludge mixture 620 with the additive in the stirring device 60, and the granulation device 70 then the sludge After the mixture 620 is granulated, the sludge mixture 620 in the granular shape is dried for the second time by the second drying device 80, so that the water content of the sludge mixture 620 in the granular shape is low When the sludge 600 of the sludge powder 610 and the sludge mixture 620 in a granular shape are in the sintered tube unit 35, the second heating unit 34 will make the inner tube 353 The temperature of the second inner space 354 to the first inner space 352 of the outer tube 351 is maintained at 300°C to 1050°C, and the second heating unit 34 uses a non-open flame direct heating method to heat the sintered tube unit 35, so The sludge mixtures 620 in the granular shape can have enough time to be uniformly heated and sintered to form the porous materials 700.

In other words, the second heating unit 34 of the carbonization sintering device 30 mixes the biomass fuel gas 500 stored in the first gas storage unit 32 with the external air provided by the fan unit 33, and then mixes them The two gases are ignited and burned to generate a heat source, and the open flame generated by the second heating unit 34 does not directly heat the outer tube 351 and the inner tube 353 of the sintering tube unit 35, but uses indirect heating. When the sludge mixture 620 in a granular shape passes through the first internal space 352 and the second internal space 354, it will be sintered at a high temperature into the porous material 700, and then the output is connected to the output end 357 The device 36 collects, and at the same time, the waste heat generated by the carbonization and sintering device 30 can be transmitted to the first drying device 50 and the first drying device 50 and the second heat connection pipe 82 by using the first heat connection pipe 52 and the second heat connection pipe 82, respectively. The second drying device 80 is used to dry the sludge powder 610 smashed from the sludge agglomerates 600 or the sludge mixture 620 in a granular shape, so that the waste heat can be reused, and also Or when the waste heat generated by the carbon sintering device 30 is too much in the future, a power generation system 900 can be connected to use the waste heat generated by the carbon sintering device 30 to generate electricity.

Please refer to FIG. 5 again, which is a system configuration diagram of a recycling device 100 according to another embodiment of the present invention. The structure and performance of the recycling device 100 of this other embodiment are substantially the same as those of the above-mentioned embodiment. The details are not repeated here. The recycling device 100 of this other embodiment is mainly provided with a buffer unit 25 between the second heat exchange unit 23 of the heat exchange device 20 and the second collection pipe 31. , The buffer unit 25 is further composed of a plurality of buffer tanks, whereby the biomass gas 500 output from the first heating space 11 can be collected and then stably output to the carbonization sintering device 30 for use, that is The biomass gas 500 is first delivered to the buffer unit 25 and then sent to the first gas storage unit 32 for use. The buffer grooves are provided with grooves that are spirally designed along the inner wall surface of the buffer grooves. The wood tar contained in the biomass gas 500 stored in the buffer tank can fall to the bottom of the buffer tank along the spirally designed grooves, which is convenient for collecting wood tar.

In summary, the recycling device of the present invention can replace general high-polluting combustion boilers such as coal, fuel oil, heavy oil, etc., not only can save energy consumption such as liquefied natural gas, gas, etc., but also can reduce air pollution and combustion The wastes, such as bottom ash, fly ash and oil residue, can also reduce operating costs, meet the multi-win aspects of environmental protection, economic and social benefits, and have the following advantages (1) The carbonized sintering device of the present invention The inner tube and the outer tube of the sintered tube unit are designed in a sub-and-socket design to save space; (2) The present invention utilizes the waste heat generated by the carbonization and sintering device by the first thermal connection tube and the second thermal connection tube The heat energy required for drying is provided to the first drying device and the second drying device to achieve recycling; (3) The porosity produced by the sintering of the sludge agglomerates in the present invention The material can be used as an alternative raw material for agricultural soil amendments or building materials, and has very good economic benefits.

The content of the present invention has been described in detail above, but the above are only preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, all equivalent changes and changes made in accordance with the scope of the patent application of the present invention Modifications should still fall within the scope of the patent of the present invention.

100: Recycling device

10: Gasification pyrolysis device

14: The first heating unit

15: control unit

20: Heat exchange device

21: The first collection line

22: The first heat exchange unit

23: The second heat exchange unit

24: Cooling system

30: Carbonization and sintering device

31: The second collection line

34: The second heating unit

38: Steam generating unit

40: Crushing device

50: The first drying device

51: The third heating unit

52: The first hot connection line

60: Stirring device

61: batching unit

70: Granulation device

80: The second drying device

81: The fourth heating unit

82: The second hot connection line

90: activation device

400: hard fiber material

410: Biochar

420: activated carbon

600: Sludge agglomerates

610: sludge powder

620: Sludge Mixture

800: wood tar liquid

900: power generation device

Claims (10)

A cyclic regeneration device, which sinters a plurality of sludge mixtures in a granular shape and sinters them into a plurality of porous materials by gasifying and pyrolyzing a plurality of hard fiber materials in a block shape. The recycling device also contains: A gasification pyrolysis device includes a first heating space for accommodating the hard fiber materials, a second heating space provided under the first heating space, and a second heating space provided between the first heating space and the second heating space. Interval unit of heating space, a first heating unit arranged in the first heating space, a pushing unit arranged in the first heating space, and a control unit electrically connecting the first heating unit and the pushing unit , Wherein the gasification pyrolysis device causes the hard fiber materials to generate the biomass fuel gas, and the hard fiber materials are formed into a plurality of biochar, and the spacer unit has a plurality of through holes, so that the pushing unit The biochar formed by pushing the hard fiber materials through the gasification and pyrolysis process passes through the through holes and falls into the second heating space; A heat exchange device connected to the gasification and pyrolysis device, and includes a first collection pipe connected to the first heating space, a first heat exchange unit connected to the other end of the first collection pipe, and a connection A second heat exchange unit at the other end of the first heat exchange unit; A carbonization sintering device includes a second collection pipeline connected to the second heat exchange unit, a first gas storage unit storing the biomass gas collected by the second collection pipeline, and an electrical connection to the control The fan unit of the unit, a second heating unit electrically connected to the control unit, and a sintered tube unit, wherein the second heating unit will mix the biomass gas of the first gas storage unit with the fan unit External air to heat the sintered tube unit; A pulverizing device to pulverize plural sludge agglomerates composed of at least one of sewage sludge, reservoir sludge, water plant sludge, water purification plant sludge or sewage plant sludge into plural sludge powders ； A first drying device, including a third heating unit, the third heating unit drying the sludge powder conveyed to the first drying device; A stirring device is connected to the first drying device and includes a batching unit that provides at least one additive. The stirring device receives the sludge powder dried by the first drying device and makes the sludge The powder and at least one additive are stirred to form a sludge mixture containing silicon components, wherein the batching unit provides the additive corresponding to the sludge powder according to the material characteristics of the sludge agglomerates; A granulation device, connected to the stirring device, and granulating the sludge mixture from the stirring device, so that the sludge mixture is formed into the sludge mixture in a granular shape; and A second drying device, one end is connected to the granulation device, and the other end is connected to the carbonization and sintering device; Wherein, the sludge mixture in a granular shape is dried by the second drying device and then transported to the sintering tube unit of the carbonization and sintering device for high-temperature sintering to become a plurality of the porous materials; Among them, after analysis of the toxic characteristics of the sludge agglomerates, the heavy metal content of the sludge agglomerates conforms to the law. The recycling device according to claim 1, wherein the first drying device is further provided with a first thermal connection pipe connected to the carbonization and sintering device, and the second drying device is further provided with a connection to the carbonization and sintering device The second heat connection pipeline. The recycling device according to claim 1, wherein the first drying device measures the weight of the sludge powder before drying and the weight after drying, and makes the sludge powder pass The moisture content of the first drying device after drying is between 50% and 80%. The cyclic regeneration device according to claim 1, wherein the second heat exchange unit is further provided with a first fractionation pipe for collecting a wood tar liquid produced by condensation of the biomass fuel gas, and a first fractionation pipe connected to the first fractionation pipe The end of the cooling system, and the wood tar liquid contains organic acids and trace elements, the cooling system collects the wood tar liquid and maintains its temperature at 5°C to 85°C. The recycling device according to claim 1, wherein the sintered tube unit further has at least one outer tube that rotates in a first direction, and a plurality of outer tubes are provided in a first inner space of each outer tube and can move along a first inner space. Two-direction rotating inner tube and a plurality of screws respectively arranged in a second inner space of each inner tube and capable of rotating with the second direction of the inner tube, wherein each of the inner tubes is provided with an input end connected to the inner tube The second drying device, each of the outer tubes is provided with an output end connected to a discharging device, and the first inner space, the second inner space, the input end and the output end are in communication with each other, and the first direction It is different from this second direction. The recycling device according to claim 1, wherein the second drying device is further provided with a fourth heating unit electrically connected to the control unit, and the temperature of the second drying device is maintained at 150°C to 300°C The water content of the granular sludge mixture when it is output to the carbonization and sintering device is less than or equal to 30% and greater than 5%. The recycling device according to claim 1, wherein the additive includes calcium carbonate (CaCO3), iron oxide (Fe2O3), aluminum oxide (Al2O3), calcium oxide (CaO), Ca(OH) ₂ , and oxide Manganese (MnO), manganese dioxide (MnO ₂ ), silicon _{dioxide (SiO 2} ), calcium sulfate (CaSO4), calcium phosphate (Ca3(PO4)2), aluminum nitride (AlN) and silicon oxynitride (SiOxNy) At least one of the group. The cyclic regeneration device according to claim 1, further, the carbonization sintering device is provided with a steam generating unit on the second heating unit, and the second heating space of the gasification pyrolysis device is between the steam generating unit An activation device is also provided. The gas generated by the steam generating unit will be transported to the activation device, and the biochar will be transported from the second heating space to the steam generating unit, wherein the biochar in the activation device It will react with the gas delivered by the steam generating unit and be converted into a plurality of activated carbons before being output to the outside. The recycling device according to claim 5, wherein the second heating unit maintains the temperature of the first internal space and the second internal space in the sintering tube unit between 300°C and 1050°C. According to the cyclic regeneration device of claim 1, further, a buffer unit is further provided between the second heat exchange unit of the heat exchange device and the second collection pipe.

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