CN105737167A - Method and system sectionally utilizing carbonaceous organic matter pyrolysate in heat accumulation type rotating bed - Google Patents
Method and system sectionally utilizing carbonaceous organic matter pyrolysate in heat accumulation type rotating bed Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 87
- 238000009825 accumulation Methods 0.000 title claims abstract description 15
- CVSVTCORWBXHQV-UHFFFAOYSA-N creatine Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 title abstract 7
- 239000005416 organic matter Substances 0.000 title abstract 3
- 238000000197 pyrolysis Methods 0.000 claims abstract description 297
- 239000003054 catalyst Substances 0.000 claims abstract description 39
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000011368 organic material Substances 0.000 claims description 99
- 235000019198 oils Nutrition 0.000 claims description 67
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 49
- 230000011218 segmentation Effects 0.000 claims description 48
- 210000000952 spleen Anatomy 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 230000008569 process Effects 0.000 claims description 41
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 18
- 239000002296 pyrolytic carbon Substances 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 14
- 230000005494 condensation Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 11
- 238000006555 catalytic reaction Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000292 calcium oxide Substances 0.000 claims description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 9
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- 238000013022 venting Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 239000011449 brick Substances 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 235000019476 oil-water mixture Nutrition 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 239000010902 straw Substances 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 239000010903 husk Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000007233 catalytic pyrolysis Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 73
- 239000003921 oil Substances 0.000 description 58
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- 239000000203 mixture Substances 0.000 description 9
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- 239000010813 municipal solid waste Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
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Classifications
-
- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a method and a system sectionally utilizing carbonaceous organic matter pyrolysate in a heat accumulation type rotating bed. The method comprises the following steps: mixing carbonaceous organic matters with a catalyst so as to obtain a raw material to be pyrolyzed; distributing the raw material to be pyrolyzed in a feeding zone in the heat accumulation type rotating bed, and sequentially conveying the raw material to be pyrolyzed in the feeding zone through a drying zone, a middle-temperature pyrolysis zone and a high-temperature pyrolysis zone; carrying out drying treatment in the drying zone and producing steam; carrying out early catalytic pyrolysis treatment in the middle-temperature pyrolysis zone and producing middle-temperature oil gas pyrolysate; carrying out high-temperature pyrolysis treatment in the high-temperature pyrolysis zone so as to produce high-temperature gas pyrolysate and carbon pyrolysate; and introducing one part of high-temperature gas pyrolysate into the drying zone from the high-temperature pyrolysis zone, and carrying out drying treatment on the raw material to be pyrolyzated. The method can sectionally carry out pyrolysis treatment on carbonaceous organic matters and separately carry out further treatment and reutilization on products in each period, so that the utilizing rate of carbonaceous organic matter pyrolysate can be obviously improved.
Description
Technical field
The invention belongs to solid waste resource recovery process field, be specifically related to heat accumulating type rotating bed segmentation and utilize the method and system of carbonaceous organic material thermal decomposition product.
Background technology
Carbonaceous organic material includes house refuse, domestic sludge, biomass etc..Along with economical developing rapidly, constantly the increasing and the raising day by day of living standards of the people of population, the generation amount of China's house refuse sharply increases, the situation is tense for current China garbage-surrounded city, and domestic waste year generation amount has surpassed 2.5 hundred million tons, and the city of 2/3 is surrounded by rubbish.The processing mode that house refuse is commonly used has landfill, burning and compost, wherein landfill, compost etc. have been absorbed in that to take a large amount of land used, product marketing not smooth, the predicament that resource level is low, and although burning can reach the purpose of volume reduction decrement and recycling, it processes but cannot break away from the problem that two English pollute all the time, and Mass disturbance is frequent.
Carbonaceous organic material pyrolysis processing is not owing to producing two English, it is acknowledged as ratio and burns better processing mode, carbonaceous organic material pyrolysis processing can not only clean the minimizing realizing the carbonaceous organic materials such as rubbish, mud, straw and process, environment friendly is strong, and can obtain and be worth higher oil, gas and solid carbon, be a kind of pollute little, invest treatment technology low, that returned.
Existing carbonaceous organic material pyrolytic technique generally comprises pretreatment system, pyrolysis system, cleaning system etc., the subject matter of its existence has: (1) pyrolysis temperature is relatively low, being typically in about 600 DEG C, now carbonaceous organic material pyrolysis is incomplete, and the yield of pyrolysis gas is relatively low；(2) existing carbonaceous organic material pyrolytic technique is collected unified for pyrolysis gas, and pyrolysis gas calorific value is relatively low, can only heat for device, and resource level is relatively low；(3) without catalyst when, productivity and the calorific value of pyrolysis gas are relatively low, and economy is bad；(4) energy consumption of pyrolysis oven is relatively big, and heat utilization efficiency is relatively low.
Therefore, the pyrolytic technique of current carbonaceous organic material need further improvement.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.For this, it is an object of the present invention to propose a kind of heat accumulating type rotating bed segmentation and utilize the method and system of carbonaceous organic material thermal decomposition product, utilize the method and system, by stages carbonaceous organic material can be carried out pyrolysis processing, and carry out the product in its each stage further processing respectively and recycling, and then the utilization rate of carbonaceous organic material thermal decomposition product can be significantly improved.
According to an aspect of the present invention, the present invention proposes a kind of method that heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product, including:
Carbonaceous organic material is mixed with catalyst, in order to obtain pre-pyrolysis feed；
Described pre-pyrolysis feed feed zone in heat accumulating type rotating bed is carried out cloth, and makes the pre-pyrolysis feed in described feed zone sequentially pass through dry section, middle temperature pyrolysis zone and high temperature pyrolysis district, in order in described dry section, be dried process, produce steam；Carrying out pre-catalysis pyrolysis processing in described middle temperature pyrolysis zone, in generation, warm solves oil gas；High temperature pyrolysis process is carried out to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in described high temperature pyrolysis district；
The described high-temperature hot of a part being vented one's spleen is passed in described dry section by described high temperature pyrolysis district, and described pre-pyrolysis feed is carried out described dried.
Thus, the method that the heat accumulating type rotating bed segmentation of the above embodiment of the present invention utilizes carbonaceous organic material thermal decomposition product, adopt heat accumulating type rotating bed that carbonaceous organic material is carried out segmentation pyrolysis, and then so that the follow-up thermal decomposition product to different pyrolysis phase carries out separately utilizing, and then can significantly improve utilization rate.Thus, by the stagewise pyrolysis adopting temperature to gradually rise, and then make temperature pyrolysis oil in middle temperature pyrolysis zone mainly obtains, mainly obtain high-temperature hot in high temperature pyrolysis district and vent one's spleen, and then be possible not only to improve the yield of pyrolysis oil and pyrolysis gas.It addition, the high-temperature hot by the part produced in high temperature pyrolysis district is vented one's spleen for pre-pyrolysis feed being dried process in dry section, it is possible to significantly reduce pyrolysis energy consumption.
It addition, heat accumulating type rotating bed segmentation according to the above embodiment of the present invention utilizes the method for carbonaceous organic material thermal decomposition product can also have following additional technical characteristic:
In some embodiments of the invention, the temperature in described dry section is 300～500 degrees Celsius；Temperature in described middle temperature pyrolysis zone is 600～800 degrees Celsius；Temperature in high temperature pyrolysis district is 900～1200 degrees Celsius.
In some embodiments of the invention, the addition of described catalyst is the 1-20 weight % of described carbonaceous organic material and catalyst gross mass.
In some embodiments of the invention, described catalyst is at least one in calcium oxide, sodium carbonate, iron sesquioxide and nickel oxide.
In some embodiments of the invention, described catalyst includes calcium oxide, sodium carbonate, iron sesquioxide and nickel oxide, wherein, the content of described calcium oxide is 30～50 mass %, the content of described sodium carbonate is 10～20 mass %, the content of described iron sesquioxide is 20～50 mass %, and the content of described nickel oxide is 20～40 mass %.
In some embodiments of the invention, described carbonaceous organic material is at least one in house refuse, mud, straw, rice husk.
According to a further aspect in the invention, the present invention proposes a kind of method that heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product, including:
Undertaken sorting and break process by house refuse, in order to eliminate metal, glass, fragment of brick, and obtain the pretreatment house refuse that particle mean size is not more than 50 millimeters；
Described pretreatment house refuse being mixed with catalyst, in order to obtain pre-pyrolysis feed, the addition of described catalyst is the 10% of described pretreatment house refuse and catalyst gross mass；
Described pre-pyrolysis feed feed zone in heat accumulating type rotating bed is carried out cloth, and makes the pre-pyrolysis feed in described feed zone sequentially pass through dry section, middle temperature pyrolysis zone and high temperature pyrolysis district, in order in described dry section, be dried process, produce steam；Carrying out pre-catalysis pyrolysis processing in described middle temperature pyrolysis zone, in generation, warm solves oil gas；High temperature pyrolysis process is carried out to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in described high temperature pyrolysis district；
The described high-temperature hot of a part being vented one's spleen is passed in described dry section by described high temperature pyrolysis district, and described pre-pyrolysis feed is carried out described dried；
The described high-temperature hot of another part is vented one's spleen and passes into alkali liquor absorption device, prepare pyrolysis gas product；
Described middle warm solves oil gas carry out condensation process and oil-water separation and process, in order to obtain middle warm vent one's spleen, middle temperature pyrolysis oil and pyrolysis water；
Described pyrolysis water is returned and is used for described condensation process；And
Described steam is carried out heat exchange process, and the condensed water obtained is used for described condensation process, the heat reclaimed is returned in described heat accumulating type rotating bed.
By adopting said method that house refuse carries out treatment by stages, and further the product in its each stage is utilized respectively.First, it is to avoid after carbonaceous organic material pyrolysis, pyrolysis gas is discharged through unified collection, more separately utilizes, and the gaseous impurity existed is more, calorific value is relatively low, and the pyrolysis product that can sell tails off, the defect that its economy is poor.Secondly, eliminate the step individually house refuse being heated, and then avoid substantial amounts of steam and mix with follow-up pyrolysis oil, cause oil-water separation pressure.
In accordance with a further aspect of the present invention, the present invention proposes a kind of heat accumulating type rotating bed segmentation and utilizes the system of carbonaceous organic material thermal decomposition product, described heat accumulating type rotating bed is for implementing the method that foregoing heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product
It is followed successively by feed zone, dry section, middle temperature pyrolysis zone, high temperature pyrolysis district and discharge zone according to the raw material direction of motion in described heat accumulating type rotating bed, wherein, between described feed zone and described dry section, between described dry section and described middle temperature pyrolysis zone, described middle temperature pyrolysis zone and described high temperature pyrolysis district, between described high temperature pyrolysis district and described discharge zone, it is respectively arranged with partition wall
Described feed zone has charging aperture, the sintering of described dry section has pre-hot gas inlet, the end region of described dry section has steam outlet, the end region of described middle temperature pyrolysis zone has middle warm and solves oil gas vent, the end region in described high temperature pyrolysis district have high-temperature hot vent one's spleen outlet and pre-heat outlet, described discharge zone have pyrolytic carbon outlet；
Wherein, the pre-heat outlet in described high temperature pyrolysis district is connected with the pre-hot gas inlet of described dry section.
It addition, heat accumulating type rotating bed segmentation according to the above embodiment of the present invention utilizes the system of carbonaceous organic material thermal decomposition product can also have following additional technical characteristic:
In some embodiments of the invention, the heat accumulating type rotating bed segmentation of above-described embodiment utilizes the system of carbonaceous organic material thermal decomposition product to farther include:
Carbonaceous organic material pretreatment unit；
Mixing arrangement, described mixing arrangement has pretreatment carbonaceous organic material entrance, catalyst inlet and pre-pyrolysis material outlet, described pretreatment carbonaceous organic material entrance is connected with described carbonaceous organic material pretreatment unit, and described pre-pyrolysis material outlet is connected with the charging aperture of described heat accumulating type rotating bed；
Alkali liquor absorption pond, described alkali liquor absorption pond has high-temperature hot and vents one's spleen entrance and pyrolysis gas outlet, and the entrance outlet of venting one's spleen with the high-temperature hot of described heat accumulating type rotating bed of venting one's spleen of described high-temperature hot is connected；
Condensing unit, described condensing unit has middle warm and solves oil gas entrance, middle temperature pyrolysis gas outlet and the outlet of middle warm solution profit, and described middle warm solution oil gas entrance solves oil gas vent with the middle warm of described heat accumulating type rotating bed and is connected；
Oily-water seperating equipment, described oily-water seperating equipment has oil-water mixture entrance, pyrolysis water out and pyrolysis oil outlet, and described oil-water mixture entrance solves profit outlet with described middle warm and is connected,
Heat exchanger, described heat exchanger has steam entry, air intake, combustion air outlet and cooling water outlet, and described steam entry is connected with the steam outlet of described heat accumulating type rotating bed.
In some embodiments of the invention, being provided with heat accumulation type radiant tube in the dry section of described heat accumulating type rotating bed, middle temperature pyrolysis zone and high temperature pyrolysis district, described heat accumulation type radiant tube has combustion air inlet, pyrolysis gas entrance and exhanst gas outlet,
Wherein, described combustion air inlet exports with the combustion air of described heat exchanger and is connected, and described pyrolysis gas entrance is connected with the middle temperature pyrolysis gas outlet of described condensing unit.
In some embodiments of the invention, the pyrolysis water out of described oily-water seperating equipment is connected with described condensing unit, and the cooling water outlet of described heat exchanger is connected with described condenser.
Accompanying drawing explanation
Fig. 1 is that heat accumulating type rotating bed segmentation utilizes the method flow diagram of carbonaceous organic material thermal decomposition product according to an embodiment of the invention.
Fig. 2 is that heat accumulating type rotating bed segmentation utilizes the method flow diagram of carbonaceous organic material thermal decomposition product according to an embodiment of the invention.
Fig. 3 is that heat accumulating type rotating bed segmentation utilizes the structural representation of the system of carbonaceous organic material thermal decomposition product according to an embodiment of the invention.
Fig. 4 is that heat accumulating type rotating bed segmentation utilizes the structural representation of the system of carbonaceous organic material thermal decomposition product according to an embodiment of the invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Current China there is also following technical problem for the process of carbonaceous organic material: the moisture content of (1) carbonaceous organic material is higher, if discharged after being directly over pyrolysis, the energy of high-temperature vapor can be wasted.(2) if using merely pyrolysis oven that carbonaceous organic material is heated, operating cost is higher, and temperature-rise period is longer, and treating capacity is less, it is difficult to industrial applications.(3) owing to equipment and technique limit, low temperature pyrogenation (being generally below 600 DEG C) in the employing of a lot of carbonaceous organic material pyrolytic techniques, now pyrolysis oil productivity is higher, it is easy to blocking and corrosion pipeline, causes regular maintenance shut-downs.(4) after carbonaceous organic material pyrolysis, pyrolysis gas is discharged through unified collection, more separately utilizes, and now gaseous impurity is more, calorific value is relatively low, and the pyrolysis product that can sell tails off, and its economy is poor.
For this, according to an aspect of the present invention, the present invention proposes a kind of method that heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product.The method is utilized at least to can solve the problem that one of above-mentioned technical problem.
Method that the heat accumulating type rotating bed segmentation of the specific embodiment of the invention utilize carbonaceous organic material thermal decomposition product is described in detail below with reference to Fig. 1.The method that heat accumulating type rotating bed segmentation according to the specific embodiment of the invention utilizes carbonaceous organic material thermal decomposition product, including:
Carbonaceous organic material is mixed with catalyst, in order to obtain pre-pyrolysis feed；
Described pre-pyrolysis feed feed zone in heat accumulating type rotating bed is carried out cloth, and makes the pre-pyrolysis feed in described feed zone sequentially pass through dry section, middle temperature pyrolysis zone and high temperature pyrolysis district, in order in described dry section, be dried process, produce steam；Carrying out pre-catalysis pyrolysis processing in described middle temperature pyrolysis zone, in generation, warm solves oil gas；High temperature pyrolysis process is carried out to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in described high temperature pyrolysis district；
The described high-temperature hot of a part being vented one's spleen is passed in described dry section by described high temperature pyrolysis district, and described pre-pyrolysis feed is carried out described dried.
Thus, the method that the heat accumulating type rotating bed segmentation of the above embodiment of the present invention utilizes carbonaceous organic material thermal decomposition product, adopt heat accumulating type rotating bed that carbonaceous organic material carries out segmentation pyrolysis, and then undertaken separately utilizing by the thermal decomposition product of different pyrolysis phase, and then utilization rate can be significantly improved.
Specifically, first, the steam temperature that carbonaceous organic material produces through the dry section of heat accumulating type rotating bed is higher, and the moisture steamed, without pyrolysis oil and other components, can be used for heat supply, preheated air, condensation water etc..Secondly, middle temperature pyrolysis zone produce a large amount of in warm solve oil gas, can the pyrolysis oil in centering warm solution oil gas and pyrolysis gas be utilized respectively respectively further.3rd, by adding catalyst, it is possible to the yield of temperature pyrolysis zone pyrolysis oil in raising, and the content of high temperature pyrolysis district pyrolysis gas, the calorific value of pyrolysis oil and pyrolysis gas increases to some extent, remarkable in economical benefits.Passed in dry section it addition, the high-temperature hot of a part is vented one's spleen by described high temperature pyrolysis district, pre-pyrolysis feed is dried process.Reduce the energy required for dried carbonaceous Organic substance, decrease drying time simultaneously, improve the treating capacity of unit interval carbonaceous organic material.
According to a particular embodiment of the invention, heat accumulating type rotating bed segmentation utilizes the temperature in the dry section of the heat accumulating type rotating bed adopted in the method for carbonaceous organic material thermal decomposition product to be 300～500 degrees Celsius；Temperature in middle temperature pyrolysis zone is 600～800 degrees Celsius；Temperature in high temperature pyrolysis district is 900～1200 degrees Celsius.
Thus, carbonaceous organic material, through the dry section of said temperature, can rapidly remove the moisture of wherein 30-50%, and the vapor (steam) temperature produced can reach 200～300 DEG C, and then can be used for heat supply, preheated air, condensation water etc..Through the middle temperature pyrolysis zone of said temperature, substantial amounts of middle warm can be produced and solve oil gas, the content of temperature pyrolysis oil in raising.Through the high temperature pyrolysis district of said temperature, the volatile matter fundamental reaction in Organic substance is complete, and pyrolysis oil is at the also basic second pyrolysis through high temperature pyrolysis district, and produces high-temperature hot and vent one's spleen.Owing to heat accumulating type rotating bed pyrolysis temperature is higher, the productivity of pyrolytic carbon can significantly reduce, and then the method minimizing level is high, and secondary pollution is little, and the disposal costs of solid residue is low.
According to a particular embodiment of the invention, pending carbonaceous organic material can be at least one in house refuse, mud, straw, rice husk.And then the suitability of the method can be improved.
According to a particular embodiment of the invention, the addition of catalyst is the 1-20 weight % of carbonaceous organic material and catalyst gross mass.Thus, pyrolysis efficiency can be significantly improved by catalysis pyrolysis, it addition, control the 1-20 weight % that addition is gross mass of catalyst.The yield of temperature pyrolysis zone pyrolysis oil in can improving further, and the content of high temperature pyrolysis district pyrolysis gas, the calorific value of pyrolysis oil and pyrolysis gas increases to some extent, remarkable in economical benefits.
According to a particular embodiment of the invention, above-mentioned catalyst can be at least one in calcium oxide, sodium carbonate, iron sesquioxide and nickel oxide.Thus can improve catalytic efficiency further.
According to a particular embodiment of the invention, catalyst includes calcium oxide, sodium carbonate, iron sesquioxide and nickel oxide, wherein, the content of described calcium oxide is 30～50 mass %, the content of described sodium carbonate is 10～20 mass %, the content of described iron sesquioxide is 20～50 mass %, and the content of described nickel oxide is 20～40 mass %.
According to a further aspect in the invention, the invention allows for a kind of method that heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product.As in figure 2 it is shown, according to a particular embodiment of the invention, heat accumulating type rotating bed segmentation utilizes the method for carbonaceous organic material thermal decomposition product to include:
Undertaken sorting and break process by house refuse, in order to eliminate metal, glass, fragment of brick, and obtain the pretreatment house refuse that particle mean size is not more than 50 millimeters；
Described pretreatment house refuse being mixed with catalyst, in order to obtain pre-pyrolysis feed, the addition of described catalyst is 10% weight of described pretreatment house refuse and catalyst gross mass；
Described pre-pyrolysis feed feed zone in heat accumulating type rotating bed is carried out cloth, and makes the pre-pyrolysis feed in described feed zone sequentially pass through dry section, middle temperature pyrolysis zone and high temperature pyrolysis district, in order in described dry section, be dried process, produce steam；Carrying out pre-catalysis pyrolysis processing in described middle temperature pyrolysis zone, in generation, warm solves oil gas；Produce to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in described high temperature pyrolysis district；
The described high-temperature hot of a part being vented one's spleen is passed in described dry section by described high temperature pyrolysis district, and described pre-pyrolysis feed is carried out described dried；
The described high-temperature hot of another part is vented one's spleen and passes into alkali liquor absorption device, prepare pyrolysis gas product；
Described middle warm solves oil gas carry out condensation process and oil-water separation and process, in order to obtain middle warm vent one's spleen, middle temperature pyrolysis oil and pyrolysis water；
Described pyrolysis water is returned and is used for described condensation process；And
Described steam is carried out heat exchange process, and the condensed water obtained is used for described condensation process, the heat reclaimed is returned in described heat accumulating type rotating bed.
By adopting said method that house refuse carries out treatment by stages, and further the product in its each stage is utilized respectively.First, it is to avoid after carbonaceous organic material pyrolysis, pyrolysis gas is discharged through unified collection, more separately utilizes, and the gaseous impurity existed is more, calorific value is relatively low, and the pyrolysis product that can sell tails off, the defect that its economy is poor.Secondly, eliminate the step individually house refuse being heated, and then avoid substantial amounts of steam and mix with follow-up pyrolysis oil, cause oil-water separation pressure.
Adopt the above-mentioned method being the heat accumulating type rotating bed segmentation of embodiment and utilizing carbonaceous organic material thermal decomposition product, carbonaceous organic material is carried out pretreatment, remove certain impurity, with after 10 weight % catalyst mix enter heat accumulating type rotating bed, be all provided with in the both sides up and down of material conveyor belt heat accumulation type radiant tube with to rubbish heat.First carbonaceous organic material steams moisture at the dry section of revolving bed, can directly derive the shower water as condenser owing to moisture impurity is less and use after air heat exchanger；Then generate a large amount of pyrolytic behavior and pyrolysis gas in middle temperature pyrolysis zone, the pyrolysis gas now produced can use for heat accumulation type radiant tube heating, and the pyrolytic behavior obtained can obtain pyrolysis oil after oil-water separation；At the pyrolysis gas that the calorific value of high temperature pyrolysis district generation is higher, a part is sold as product, and another part returns to the dry section of heat accumulating type rotating bed by pre-hot gas duct, enters from pre-hot gas inlet, dries offer heat for carbonaceous organic material.The pyrolytic carbon yield that pyrolysis finally gives is very low, and major part is mineral residue, is directly transported to landfill yard and is disposed.The product that whole technique prepares is more, and purposes is relatively wide, essentially inorganic matter in pyrolytic carbon, it does not have secondary pollution problem, it is achieved that real " innoxious, minimizing, resource ".
In accordance with a further aspect of the present invention, the present invention proposes a kind of heat accumulating type rotating bed segmentation and utilizes the system of carbonaceous organic material thermal decomposition product, and this system is adapted for carrying out the method that foregoing heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product.
nullAs shown in Figure 3，The heat accumulating type rotating bed segmentation of the specific embodiment of the invention utilizes in the heat accumulating type rotating bed 100 in the system of carbonaceous organic material thermal decomposition product and is followed successively by feed zone 10 according to the raw material direction of motion、Dry section 20、Middle temperature pyrolysis zone 30、High temperature pyrolysis district 40 and discharge zone 50，Wherein，Between feed zone 10 and dry section 20、Between dry section 20 and middle temperature pyrolysis zone 30、Middle temperature pyrolysis zone 30 and high temperature pyrolysis district 40、Partition wall 60 it is respectively arranged with between high temperature pyrolysis district 40 and discharge zone 50，Feed zone 10 has charging aperture 11，The sintering of dry section 20 has pre-hot gas inlet 21，The end region of dry section 20 has steam outlet 22，The end region of middle temperature pyrolysis zone 30 has middle warm and solves oil gas vent 31，The end region in high temperature pyrolysis district 40 has high-temperature hot and vents one's spleen outlet 41 and pre-heat outlet 42，Discharge zone 50 has pyrolytic carbon outlet 51；Wherein, the pre-heat outlet 42 in high temperature pyrolysis district 40 is connected with the pre-hot gas inlet 21 of dry section 20.
According to a particular embodiment of the invention, heat accumulating type rotating bed segmentation in order to conveniently understand above-described embodiment utilizes the system of carbonaceous organic material thermal decomposition product, and the heat accumulating type rotating bed segmentation utilizing above-described embodiment utilizes the specific implementation method of the system of carbonaceous organic material thermal decomposition product be described below.The method includes:
Carbonaceous organic material is mixed with catalyst, in order to obtain pre-pyrolysis feed；
Pre-pyrolysis feed feed zone 10 in heat accumulating type rotating bed 100 is carried out cloth, and make the pre-pyrolysis feed in feed zone 10 sequentially pass through dry section 20, middle temperature pyrolysis zone 30 and high temperature pyrolysis district 40, to be dried process in dry section 20, produce steam；Carrying out pre-catalysis pyrolysis processing in middle temperature pyrolysis zone 30, in generation, warm solves oil gas；High temperature pyrolysis reaction is carried out to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in high temperature pyrolysis district 40；
The high-temperature hot of the part produced in high temperature pyrolysis district 40 being vented one's spleen is passed in dry section 20 by the pre-heat outlet 42 in high temperature pyrolysis district 40 from pre-hot gas inlet 21, and pre-pyrolysis feed is dried process.
Thus, the heat accumulating type rotating bed segmentation of the above embodiment of the present invention utilizes the system of carbonaceous organic material thermal decomposition product, adopt heat accumulating type rotating bed that carbonaceous organic material carries out segmentation pyrolysis, and then undertaken separately utilizing by the thermal decomposition product of different pyrolysis phase, and then utilization rate can be significantly improved.
Specifically, first, the steam temperature that carbonaceous organic material produces through the dry section of heat accumulating type rotating bed is higher, and the moisture steamed, without pyrolysis oil and other components, can be used for heat supply, preheated air, condensation water etc..Secondly, middle temperature pyrolysis zone produce a large amount of in warm solve oil gas, can the pyrolysis oil in centering warm solution oil gas and pyrolysis gas be utilized respectively respectively further.3rd, by adding catalyst, it is possible to the yield of temperature pyrolysis zone pyrolysis oil in raising, and the content of high temperature pyrolysis district pyrolysis gas, the calorific value of pyrolysis oil and pyrolysis gas increases to some extent, remarkable in economical benefits.Passed in dry section it addition, the high-temperature hot of a part is vented one's spleen by described high temperature pyrolysis district, pre-pyrolysis feed is dried process.Reduce the energy required for dried carbonaceous Organic substance, decrease drying time simultaneously, improve the treating capacity of unit interval carbonaceous organic material.
According to a particular embodiment of the invention, as shown in Figure 4, the heat accumulating type rotating bed segmentation of above-described embodiment utilizes the system of carbonaceous organic material thermal decomposition product can further include: carbonaceous organic material pretreatment unit 200, mixing arrangement 300, alkali liquor absorption pond 400, condensing unit 500, oily-water seperating equipment 600 and heat exchanger 700.
Wherein, mixing arrangement 300 has pretreatment carbonaceous organic material entrance 310, catalyst inlet 320 and pre-pyrolysis material outlet 330, described pretreatment carbonaceous organic material entrance 310 is connected with described carbonaceous organic material pretreatment unit 200, and described pre-pyrolysis material outlet 330 is connected with the charging aperture 11 of described heat accumulating type rotating bed 100.Thus, undertaken sorting and break process by house refuse, in order to eliminate metal, glass, fragment of brick, and obtain the pretreatment house refuse that particle mean size is not more than 50 millimeters；And mix with catalyst, in order to obtain pre-pyrolysis feed.By mixing with catalyst after house refuse is carried out pretreatment, it is possible to improve follow-up pyrolysis efficiency further.
According to a particular embodiment of the invention, alkali liquor absorption pond 400 has high-temperature hot and vents one's spleen entrance 410 and pyrolysis gas outlet 420, and entrance 410 outlet 41 of venting one's spleen with the high-temperature hot of described heat accumulating type rotating bed 100 of venting one's spleen of described high-temperature hot is connected.Thus, individually the high-temperature hot produced in the high temperature pyrolysis district of heat accumulating type rotating bed is vented one's spleen and process, obtain pyrolysis gas product.
According to a particular embodiment of the invention, condensing unit 500 has middle warm and solves oil gas entrance 510, middle temperature pyrolysis gas outlet 520 and middle warm solution profit outlet 530, and middle warm solves oil gas entrance 510 and is connected with the middle warm solution oil gas vent 31 of described heat accumulating type rotating bed 100；Oily-water seperating equipment 600 has oil-water mixture entrance 610, pyrolysis water out 620 and pyrolysis oil outlet 630, and described oil-water mixture entrance 610 solves profit outlet 530 with middle warm and is connected.Thus, individually the middle warm produced in the middle temperature pyrolysis zone of heat accumulating type rotating bed is solved oil gas and be easily separated process, and respectively obtain middle warm and vent one's spleen and middle temperature pyrolysis oil.
According to a particular embodiment of the invention, heat exchanger 700 has steam entry 710, air intake 720, combustion air outlet 730 and cooling water outlet 740, and described steam entry 710 is connected with the steam outlet 22 of described heat accumulating type rotating bed 100.Thus, the steam produced in the dry section of heat accumulating type rotating bed processes, and its heat energy is converted into combustion air, obtains cold water.
According to a particular embodiment of the invention, being provided with heat accumulation type radiant tube (not shown) in the dry section 20 of heat accumulating type rotating bed 100, middle temperature pyrolysis zone 30 and high temperature pyrolysis district 40, heat accumulation type radiant tube has combustion air inlet 71, pyrolysis gas entrance 72 and exhanst gas outlet (not shown).Wherein, combustion air inlet 71 exports 730 with the combustion air of heat exchanger 700 and is connected, and pyrolysis gas entrance 72 is connected with the middle temperature pyrolysis gas outlet 520 of condensing unit 500.Thus above-mentioned recycle-water steam heat energy is converted the combustion air obtained and pass into heat accumulation type radiant tube, middle warm is vented one's spleen by passing into heat accumulation type radiant tube after purified treatment, and then provide heat for heat accumulating type rotating bed, and then save system energy consumption.
According to a particular embodiment of the invention, the thermal source of heat accumulating type rotating bed dry section has two, one is heat accumulation type radiant tube, another is that high-temperature hot is vented one's spleen, therefore the energy required for dried carbonaceous Organic substance is reduced, decrease drying time simultaneously, improve the treating capacity of unit interval carbonaceous organic material.
According to a particular embodiment of the invention, the pyrolysis water out of described oily-water seperating equipment 600 is connected with described condensing unit 500, and the cooling water outlet 740 of described heat exchanger 700 is connected with described condenser 500.Thus, the cold water after the pyrolysis water and steam cooling that in utilization, warm solution Oil-gas Separation obtains uses as the cooling water of condenser, and centering warm solves oil gas and carries out condensation process.Thus can save energy consumption further.
According to a particular embodiment of the invention, the middle warm produced temperature pyrolysis zone in heat accumulating type rotating bed solves oil gas can from extraction in the middle of sidewall, heat accumulating type rotating bed radial canal and ring-shaped furnace bottom, thus it can be prevented that pyrolysis oil is through heat accumulating type rotating bed radial canal second pyrolysis, and then the yield of pyrolysis oil can be significantly improved；The middle warm simultaneously prepared is vented one's spleen and can be used as the fuel gas of heat accumulating type rotating bed radial canal, the advantage taking full advantage of heat accumulating type rotating bed, carbonaceous organic material thermal decomposition product segmentation is utilized, and resource level is high, and operating cost is low.
Heat accumulating type rotating bed segmentation according to the specific embodiment of the invention utilizes the system of carbonaceous organic material thermal decomposition product, initially with house refuse carries out in heat accumulating type rotating bed treatment by stages, and further the product in its each stage is utilized respectively.First, it is to avoid after carbonaceous organic material pyrolysis, pyrolysis gas is discharged through unified collection, more separately utilizes, and the gaseous impurity existed is more, calorific value is relatively low, and the pyrolysis product that can sell tails off, the defect that its economy is poor.Secondly, eliminate the step individually house refuse being heated, and then avoid substantial amounts of steam and mix with follow-up pyrolysis oil, cause oil-water separation pressure.
Heat accumulating type rotating bed segmentation according to the specific embodiment of the invention utilizes the method and system of carbonaceous organic material thermal decomposition product at least to have one of following beneficial effect:
(1) steam temperature that carbonaceous organic material produces through heat accumulating type rotating bed dry section is higher, can reach 200～300 DEG C, and the moisture steamed, without pyrolysis oil and other components, can be used for heat supply, preheated air, condensation water etc..
(2) owing to the thermal source of heat accumulating type rotating bed dry section is vented one's spleen from heat accumulation type radiant tube and high-temperature hot, reduce the energy required for dried carbonaceous Organic substance, decrease drying time simultaneously, improve the treating capacity of unit interval carbonaceous organic material.
(3) a large amount of pyrolysis oil that in heat accumulating type rotating bed, temperature pyrolysis zone produces can as industrial chemicals, middle warm is vented one's spleen and can be used as the fuel gas of heat accumulating type rotating bed radial canal, the advantage taking full advantage of heat accumulating type rotating bed, utilizes carbonaceous organic material thermal decomposition product segmentation, and resource level is high.
(4) owing to heat accumulating type rotating bed pyrolysis temperature is higher, the productivity of pyrolytic carbon is substantially reduced, and minimizing level is high, and secondary pollution is little, and the disposal costs of solid residue is low.
(5) by the catalyst of interpolation 1～20 weight %, improve the yield of middle temperature pyrolysis zone pyrolysis oil and the content of high temperature pyrolysis district pyrolysis gas, the calorific value of pyrolysis oil and pyrolysis gas increases to some extent, remarkable in economical benefits.
Embodiment 1
Adopting certain city's domestic waste is raw material, and msw water content is 55%, its each component percentages such as following table:
The each component percentages of table 1 house refuse (wet basis)
Moisture content be the house refuse of 55% after sorting, eliminate the metal of the overwhelming majority, glass, the inorganic matter such as fragment of brick.Organic substance is delivered to disintegrating apparatus, the catalyst mix of the Organic substance and 10% (percentage by weight) that are crushed to below 50mm uniformly enters heat accumulating type rotating bed afterwards, heat effect through heat accumulating type rotating bed radial canal and pre-steam, the moisture of about 50% can be steamed, now steam temperature reaches 260 DEG C, enters heat exchanger by steam outlet and carries out heat exchange.Moisture content is down to the Organic substance of about 5% along with temperature pyrolysis zone in ring-shaped furnace bottom entrance, the temperature of middle temperature pyrolysis zone can reach 600～700 DEG C, Organic substance produces a large amount of pyrolysis gas liquid mixture at this temperature, and be delivered to condenser and carry out gas-liquid separation, last Organic substance enters high temperature pyrolysis district, fire box temperature reaches 1000 DEG C, volatile matter fundamental reaction in Organic substance is complete, pyrolysis oil is at the also basic second pyrolysis through high temperature pyrolysis district, the high-temperature hot produced vents one's spleen a part as the thermal source of dry section, another part enters alkali liquor absorption device and prepares pyrolysis gas product.Wherein going up radial canal temperature is 900 DEG C, and the temperature of lower radial canal is 1100 DEG C, and through the catalysis pyrolysis of 1.5h, the final pyrolytic carbon produced is discharged by furnace bottom, transports refuse landfill after quenching to.Moisture after heat exchange solves gas-liquid by condenser spray equipment centering warm and carries out Quench, and fuel gas uses as heat accumulating type rotating bed radial canal fuel after purifying.The final high-temperature hot prepared productivity of venting one's spleen is 35%, and the productivity of pyrolysis oil is 6%, and the productivity of pyrolytic carbon is 8%, and all the other are pyrolysis water.
Embodiment 2
Adopting the house refuse of certain community, moisture content is 40%, its each component percentages such as following table:
The each component percentages of table 2 house refuse (wet basis)
Moisture content be the house refuse of 40% after sorting, eliminate the metal of the overwhelming majority, glass, the inorganic matter such as fragment of brick.Organic substance is delivered to disintegrating apparatus, the catalyst mix of the Organic substance and 8% (percentage by weight) that are crushed to below 40mm uniformly enters heat accumulating type rotating bed afterwards, heat effect through heat accumulating type rotating bed radial canal and pre-steam, the moisture of about 37% can be steamed, now steam temperature reaches 240 DEG C, enters heat exchanger by steam outlet and carries out heat exchange.Moisture content is down to the Organic substance of about 3% along with temperature pyrolysis zone in ring-shaped furnace bottom entrance, the temperature of middle temperature pyrolysis zone can reach 700～800 DEG C, Organic substance produces a large amount of pyrolysis gas liquid mixture at this temperature, and be delivered to condenser and carry out gas-liquid separation, last Organic substance enters high temperature pyrolysis district, fire box temperature reaches 1000 DEG C, volatile matter fundamental reaction in Organic substance is complete, pyrolysis oil is at the also basic second pyrolysis through high temperature pyrolysis district, the high-temperature hot produced vents one's spleen a part as the thermal source of dry section, another part enters alkali liquor absorption device and prepares pyrolysis gas product.Wherein going up radial canal temperature is 800 DEG C, and the temperature of lower radial canal is 1100 DEG C, and through the catalysis pyrolysis of 1.3h, the final pyrolytic carbon produced is discharged by furnace bottom, transports refuse landfill after quenching to.Moisture after heat exchange solves gas-liquid by condenser spray equipment centering warm and carries out Quench, and fuel gas uses as heat accumulating type rotating bed radial canal fuel after purifying.The final high-temperature hot prepared productivity of venting one's spleen is 38%, and the productivity of pyrolysis oil is 8%, and the productivity of pyrolytic carbon is 10%, and all the other are pyrolysis water.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, what the schematic representation of above-mentioned term is not necessarily referring to is identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. the method that a heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product, it is characterised in that including:
Carbonaceous organic material is mixed with catalyst, in order to obtain pre-pyrolysis feed；
Described pre-pyrolysis feed feed zone in heat accumulating type rotating bed is carried out cloth, and makes the pre-pyrolysis feed in described feed zone sequentially pass through dry section, middle temperature pyrolysis zone and high temperature pyrolysis district, in order in described dry section, be dried process, produce steam；Carrying out pre-catalysis pyrolysis processing in described middle temperature pyrolysis zone, in generation, warm solves oil gas；Produce to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in described high temperature pyrolysis district；
The described high-temperature hot of a part being vented one's spleen is passed in described dry section by described high temperature pyrolysis district, and described pre-pyrolysis feed is carried out described dried.
2. the method that heat accumulating type rotating bed segmentation according to claim 1 utilizes carbonaceous organic material thermal decomposition product, it is characterised in that
Temperature in described dry section is 300～500 degrees Celsius；
Temperature in described middle temperature pyrolysis zone is 600～800 degrees Celsius；
Temperature in high temperature pyrolysis district is 900～1200 degrees Celsius.
3. the method that heat accumulating type rotating bed segmentation according to claim 1 utilizes carbonaceous organic material thermal decomposition product, it is characterised in that the addition of described catalyst is the 1-20 weight % of described carbonaceous organic material and catalyst gross mass.
4. the method that heat accumulating type rotating bed segmentation according to claim 1 utilizes carbonaceous organic material thermal decomposition product, it is characterised in that described catalyst is at least one in calcium oxide, sodium carbonate, iron sesquioxide and nickel oxide,
Optionally, described catalyst includes calcium oxide, sodium carbonate, iron sesquioxide and nickel oxide, wherein, the content of described calcium oxide is 30～50 mass %, the content of described sodium carbonate is 10～20 mass %, the content of described iron sesquioxide is 20～50 mass %, and the content of described nickel oxide is 20～40 mass %.
5. the method that heat accumulating type rotating bed segmentation according to claim 1 utilizes carbonaceous organic material thermal decomposition product, it is characterised in that described carbonaceous organic material is at least one in house refuse, mud, straw, rice husk.
6. the method that a heat accumulating type rotating bed segmentation utilizes carbonaceous organic material thermal decomposition product, it is characterised in that including:
Undertaken sorting and break process by house refuse, in order to eliminate metal, glass, fragment of brick, and obtain the pretreatment house refuse that particle mean size is not more than 50 millimeters；
Described pretreatment house refuse being mixed with catalyst, in order to obtain pre-pyrolysis feed, the addition of described catalyst is 10 weight % of described pretreatment house refuse and catalyst gross mass；
Described pre-pyrolysis feed feed zone in heat accumulating type rotating bed is carried out cloth, and makes the pre-pyrolysis feed in described feed zone sequentially pass through dry section, middle temperature pyrolysis zone and high temperature pyrolysis district, in order in described dry section, be dried process, produce steam；Carrying out pre-catalysis pyrolysis processing in described middle temperature pyrolysis zone, in generation, warm solves oil gas；High temperature pyrolysis process is carried out to produce high-temperature hot and to vent one's spleen and pyrolytic carbon in described high temperature pyrolysis district；
The described high-temperature hot of a part being vented one's spleen is passed in described dry section by described high temperature pyrolysis district, and described pre-pyrolysis feed is carried out described dried；
The described high-temperature hot of another part is vented one's spleen and passes into alkali liquor absorption device, prepare pyrolysis gas product；
Described middle warm solves oil gas carry out condensation process and oil-water separation and process, in order to obtain middle warm vent one's spleen, middle temperature pyrolysis oil and pyrolysis water；
Described pyrolysis water is returned and is used for described condensation process；And
Described steam is carried out heat exchange process, and the condensed water obtained is used for described condensation process, the heat reclaimed is returned in described heat accumulating type rotating bed.
7. a heat accumulating type rotating bed segmentation utilizes the system of carbonaceous organic material thermal decomposition product, described heat accumulating type rotating bed is for implementing the method that the heat accumulating type rotating bed segmentation any one of claim 1-5 or described in claim 6 utilizes carbonaceous organic material thermal decomposition product, it is characterized in that
It is followed successively by feed zone, dry section, middle temperature pyrolysis zone, high temperature pyrolysis district and discharge zone according to the raw material direction of motion in described heat accumulating type rotating bed, wherein, between described feed zone and described dry section, between described dry section and described middle temperature pyrolysis zone, described middle temperature pyrolysis zone and described high temperature pyrolysis district, between described high temperature pyrolysis district and described discharge zone, it is respectively arranged with partition wall
Described feed zone has charging aperture, the sintering of described dry section has pre-hot gas inlet, the end region of described dry section has steam outlet, the end region of described middle temperature pyrolysis zone has middle warm and solves oil gas vent, the end region in described high temperature pyrolysis district have high-temperature hot vent one's spleen outlet and pre-heat outlet, described discharge zone have pyrolytic carbon outlet；
Wherein, the pre-heat outlet in described high temperature pyrolysis district is connected with the pre-hot gas inlet of described dry section.
8. heat accumulating type rotating bed segmentation according to claim 7 utilizes the system of carbonaceous organic material thermal decomposition product, it is characterised in that farther include:
Carbonaceous organic material pretreatment unit；
Mixing arrangement, described mixing arrangement has pretreatment carbonaceous organic material entrance, catalyst inlet and pre-pyrolysis material outlet, described pretreatment carbonaceous organic material entrance is connected with described carbonaceous organic material pretreatment unit, and described pre-pyrolysis material outlet is connected with the charging aperture of described heat accumulating type rotating bed；
Alkali liquor absorption pond, described alkali liquor absorption pond has high-temperature hot and vents one's spleen entrance and pyrolysis gas outlet, and the entrance outlet of venting one's spleen with the high-temperature hot of described heat accumulating type rotating bed of venting one's spleen of described high-temperature hot is connected；
Condensing unit, described condensing unit has middle warm and solves oil gas entrance, middle temperature pyrolysis gas outlet and the outlet of middle warm solution profit, and described middle warm solution oil gas entrance solves oil gas vent with the middle warm of described heat accumulating type rotating bed and is connected；
Oily-water seperating equipment, described oily-water seperating equipment has oil-water mixture entrance, pyrolysis water out and pyrolysis oil outlet, and described oil-water mixture entrance solves profit outlet with described middle warm and is connected,
Heat exchanger, described heat exchanger has steam entry, air intake, combustion air outlet and cooling water outlet, and described steam entry is connected with the steam outlet of described heat accumulating type rotating bed.
9. heat accumulating type rotating bed segmentation according to claim 8 utilizes the system of carbonaceous organic material thermal decomposition product, it is characterized in that, it is provided with heat accumulation type radiant tube in the dry section of described heat accumulating type rotating bed, middle temperature pyrolysis zone and high temperature pyrolysis district, described heat accumulation type radiant tube has combustion air inlet, pyrolysis gas entrance and exhanst gas outlet
Wherein, described combustion air inlet exports with the combustion air of described heat exchanger and is connected, and described pyrolysis gas entrance is connected with the middle temperature pyrolysis gas outlet of described condensing unit.
10. heat accumulating type rotating bed segmentation according to claim 8 utilizes the system of carbonaceous organic material thermal decomposition product, it is characterized in that, the pyrolysis water out of described oily-water seperating equipment is connected with described condensing unit, and the cooling water outlet of described heat exchanger is connected with described condenser.
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