CN108130106A - Coal heat carrier combines pyrolysis installation - Google Patents
Coal heat carrier combines pyrolysis installation Download PDFInfo
- Publication number
- CN108130106A CN108130106A CN201810096765.8A CN201810096765A CN108130106A CN 108130106 A CN108130106 A CN 108130106A CN 201810096765 A CN201810096765 A CN 201810096765A CN 108130106 A CN108130106 A CN 108130106A
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- CN
- China
- Prior art keywords
- pyrolysis
- coal
- smalls
- warehouse
- batch mixing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
- C10B49/04—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge while moving the solid material to be treated
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
- C10B57/06—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
Abstract
The present invention provides a kind of coal heat carrier joint pyrolysis installation, including smalls feeding mechanism, small beans feeding mechanism, granule pyrolysis of coal filter device and joint pyrolysis mechanism, it is described joint pyrolysis mechanism include pyrolysis warehouse and up and down successively arranged crosswise pyrolysis warehouse in first order stock guide, second level stock guide and at least one batch mixing plate.The present invention carries out batch mixing of turning back using multistage stock guide and batch mixing plate to rotary hearth furnace hot material and smalls and small beans; joint pyrolysis is carried out in mixing process of turning back; protection against oxidation is carried out to rotary hearth furnace hot material in heat exchanging process; and a large amount of high temperature dust raws for being pyrolyzed generation are sent into cooling and dedusting in granule pyrolysis of coal filter device, increase the recycling to heat and raw coke oven gas.
Description
Technical field
The present invention relates to mineral reduction and technical field of coal chemical industry, and in particular to a kind of coal heat carrier joint pyrolysis dress
It puts.
Background technology
Chinese coal reserves account accounts for the 12% of worldwide coal resource, and China's low-order coal reserves account accounts for 50% of coal reserves or so, production
Amount accounts for the 30% of current total amount.It is seen by the forming age of CHINESE COAL, with Jurassic Coal reserves maximum, accounts for about national verified and possess
45% or so of reserves, by the coal that this epoch is formed in addition to only a few anthracite, most of remaining for lignite, jet coal,
The low-order coals such as dross coal and weakly caking coal.In Regional Distribution, on the Inner Mongol, Shaanxi, Xinjiang, Gansu, mountain in large storage capacity segment set
West, six, Ningxia province（Area）, and these areas are the serious deficient places of China's water resource, constrain utilize this to a certain extent
A little low-order coals are processed upgrading industrial expansion.
Many Coal dressing equipments can not accomplish good utilization for the high temperate zone dirt coal gas of generation at present, and then reduce
The utilization rate of coal and the efficiency of production.
Many coal production flow processs cannot accomplish good utilization for the high temperature dust coal gas of generation at this stage：High temperature contains
Dust-laden in dirt coal gas, cleaner effect is undesirable, and when emptying pollutes the environment；Containing higher in high temperature dust coal gas
Heat good can not be used, and reduce production efficiency and the utilization rate of coal；Material is pyrolyzed without adequately mixed
It closes, pyrolysis effect is undesirable.
Invention content
The present invention, which provides one kind, as-reduced thermal material and smalls and small beans to combine rotary hearth heating furnace
The coal heat carrier joint pyrolysis installation of pyrolysis.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of coal heat carrier combines pyrolysis installation, including smalls feeding mechanism, small beans feeding mechanism, granule pyrolysis of coal filtering
Device and joint are pyrolyzed mechanism, and the joint pyrolysis mechanism includes pyrolysis warehouse and arranged crosswise is being pyrolyzed warehouse successively up and down
Interior first order stock guide, second level stock guide and at least one batch mixing plate, the upper end of the pyrolysis warehouse offer rotary hearth furnace
Hot material entrance, smalls entrance and small beans entrance, the first order stock guide are located at rotary hearth furnace hot material entrance and smalls entrance
Lower section, the second level stock guide are located at the lower section of small beans entrance and first order stock guide discharge end.
Further, the upper end of the pyrolysis warehouse is connected by raw coke oven gas tedge with granule pyrolysis of coal filter device,
The upper end of the granule pyrolysis of coal filter device offers raw coke oven gas outlet.
Preferably, the smalls feeding mechanism includes the level-one smalls storehouse connected up and down and two level smalls storehouse and is placed in
Lock material device between level-one smalls storehouse and two level smalls storehouse, between two level smalls storehouse and pyrolysis warehouse.
Preferably, the batch mixing plate is mixed at the middle and upper levels using the upper strata batch mixing plate and lower floor's batch mixing plate of cross arrangement
Flitch is located at the lower section of second level stock guide discharge end, and lower floor's batch mixing plate is located at the lower section of upper strata batch mixing plate discharge end, and upper strata is mixed
Flitch discharge end is close to the inner wall of pyrolysis warehouse.
Preferably, the discharge port of the pyrolysis warehouse is connected with revolution cooling chamber, and the side of the revolution cooling chamber is passed through just
Press exhaust gas.
Preferably, the lower end of the pyrolysis warehouse forms the tapered bored storehouse of heat.
By above technical scheme it is found that the present invention using multistage stock guide and batch mixing plate to rotary hearth furnace hot material and smalls and small
Beans carries out batch mixing of turning back, and joint pyrolysis is carried out in mixing process of turning back, oxygen is carried out to rotary hearth furnace hot material in heat exchanging process
Change protection, and a large amount of high temperature dust raws for being pyrolyzed generation are sent into cooling and dedusting in granule pyrolysis of coal filter device, increase
Recycling to heat and raw coke oven gas, and can improve the dust removing effects to high temperature dust coal gas, effectively reduces pair
The pollution of environment.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
A kind of preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, coal heat carrier joint pyrolysis installation include smalls feeding mechanism 10, small beans feeding mechanism 20,
Granule pyrolysis of coal filter device 30 and joint pyrolysis mechanism 40, wherein joint pyrolysis mechanism include pyrolysis warehouse 41 and up and down according to
Multistage stock guide and batch mixing plate of the secondary arranged crosswise in pyrolysis warehouse.
The smalls feeding mechanism 10 includes the level-one smalls storehouse 11 that connects up and down and two level smalls storehouse 12 and is placed in one
Grade smalls storehouse and two level smalls storehouse between, two level smalls storehouse and pyrolysis warehouse between lock material device 13, equally, small beans into
Lock material is also provided between material mechanism and granule pyrolysis of coal filter device and between granule pyrolysis of coal filter device and pyrolysis warehouse
Device 21, lock material device can carry out material quantitative control, and the lock material device of granule pyrolysis of coal filter device discharge port can
Upper part is kept to have certain space to collect raw coke oven gas.
Multistage stock guide and batch mixing plate in the pyrolysis warehouse 41, for more to entering the raw material being pyrolyzed in warehouse progress
Secondary mixing of turning back fully is pyrolyzed, and in the present embodiment, multistage stock guide and batch mixing plate are led using first order stock guide 42, the second level
Flitch 43, upper strata batch mixing plate 44 and lower floor's batch mixing plate 45, arranged crosswise successively up and down between them, a upper stock guide and batch mixing
The discharge end of plate is placed exactly in the top of next stock guide and batch mixing plate, forms level Four and turns back mixing device so that material energy
It is enough successively to be flowed in warehouse is pyrolyzed, material is made to be sufficiently mixed and be pyrolyzed.
The upper end of the pyrolysis warehouse 41 offers rotary hearth furnace hot material entrance 46, smalls entrance 47 and small beans entrance 48,
The first order stock guide 42 is located at the lower section of rotary hearth furnace hot material entrance and smalls entrance, and the second level stock guide 43 is located at small
The lower section of beans entrance and first order stock guide discharge end, upper strata batch mixing plate 44 are located at the lower section of second level stock guide discharge end,
Lower floor's batch mixing plate 45 is located at the lower section of upper strata batch mixing plate discharge end.The upper strata batch mixing plate discharge end is needed close to pyrolysis warehouse
Inner wall, the tapered bored storehouse 49 of heat can be formed by being pyrolyzed the lower end of warehouse in this way, and the bored storehouse of homogeneous heat makes material depth fully be pyrolyzed.
After combining the material after pyrolysis by being pyrolyzed the discharge port of warehouse, into revolution cooling chamber 50, by adjusting revolution
The rotating speed of kiln is cooled down to control the height of the bored storehouse material of Base Heat in joint pyrolysis installation, the material in hot bored storehouse closes famine simultaneously
Coal gas is serial to downwards revolution cooling kiln adverse current and reveals, and the side for turning round cooling chamber is also passed through positive pressure exhaust gas, and further closing is waste
Coal gas adverse current.
High temperature reduction iron, formed coke, smalls, small beans are pyrolyzed, are completely cut off by level Four mixing arrangement of turning back in the device
Oxygen protectiveness cools down, and generates a large amount of raw coke oven gas, in order to efficiently use the coal gas of high temperature and it is dusted, in pyrolysis storehouse
The upper end of body 41 is connected by two raw coke oven gas tedges 60 with granule pyrolysis of coal filter device 30, granule pyrolysis of coal filtering dress
The upper end put offers raw coke oven gas outlet 31, and high temperature raw coke oven gas is entered by two raw coke oven gas tedges to be filtered with granule pyrolysis of coal
Device, carry out cold filtration after by raw coke oven gas export discharge, into subsequent condensate recycling device after be re-fed into turn bottom heating
In stove.
The operation principle of the present invention is described as follows：
Enter pyrolysis warehouse 41 from rotary hearth furnace hot material entrance 46 through the 1100-1200 DEG C of high temperature reduction material that rotary hearth heating furnace is sent out
In, this is the first via material of joint pyrolysis installation；Smalls is entered behind level-one smalls storehouse 11, two level smalls storehouse 12 by smalls
Mouth 47 enters in pyrolysis warehouse, this is the second road raw material of joint pyrolysis installation；Small beans is by small beans feeding mechanism 20, small
After beans pyrolysis filter device 30, entered in pyrolysis warehouse by small beans entrance 48, this is the third road of joint pyrolysis installation
Raw material.By adjusting the mixing match of the second road smalls raw material and the small beans raw material in third road, make temperature inside joint pyrolysis installation
At 600 DEG C or so, three kinds of materials are turned back in level Four under immixture of the mixing device with the bored storehouse of heat, are fully mixed for degree control
Pyrolysis and protection against oxidation, level Four device of turning back are completely heat exchanged, and protectiveness reduction charing generates big amount temperature and exists
600 DEG C or so of raw coke oven gas, raw coke oven gas rising enter granule pyrolysis of coal device and carry out the next step.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (6)
1. a kind of coal heat carrier combines pyrolysis installation, which is characterized in that including smalls feeding mechanism, small beans feeding mechanism,
Granule pyrolysis of coal filter device and joint pyrolysis mechanism, the joint pyrolysis mechanism include pyrolysis warehouse and intersect successively up and down
First order stock guide, second level stock guide and at least one batch mixing plate being arranged in pyrolysis warehouse, it is described to be pyrolyzed the upper of warehouse
End offers rotary hearth furnace hot material entrance, smalls entrance and small beans entrance, and the first order stock guide is located at rotary hearth furnace hot material and enters
The lower section of mouth and smalls entrance, the second level stock guide are located at the lower section of small beans entrance and first order stock guide discharge end.
2. coal heat carrier according to claim 1 combines pyrolysis installation, which is characterized in that the upper end of the pyrolysis warehouse
It is connected by raw coke oven gas tedge with granule pyrolysis of coal filter device, the upper end of the granule pyrolysis of coal filter device offers waste coal
Gas exports.
3. coal heat carrier according to claim 1 or 2 combines pyrolysis installation, which is characterized in that the smalls charger
Structure include the level-one smalls storehouse that connects up and down and two level smalls storehouse and be placed between level-one smalls storehouse and two level smalls storehouse, two
Lock material device between grade smalls storehouse and pyrolysis warehouse.
4. coal heat carrier according to claim 1 or 2 combines pyrolysis installation, which is characterized in that the batch mixing plate uses
Cross arrangement upper strata batch mixing plate and lower floor's batch mixing plate, at the middle and upper levels batch mixing plate be located under the stock guide discharge end of the second level
Side, lower floor's batch mixing plate are located at the lower section of upper strata batch mixing plate discharge end, and upper strata batch mixing plate discharge end is close to the inner wall of pyrolysis warehouse.
5. coal heat carrier according to claim 1 or 2 combines pyrolysis installation, which is characterized in that the pyrolysis warehouse
Discharge port is connected with revolution cooling chamber, and the side of the revolution cooling chamber is passed through positive pressure exhaust gas.
6. coal heat carrier according to claim 1 or 2 combines pyrolysis installation, which is characterized in that the pyrolysis warehouse
Lower end forms the tapered bored storehouse of heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096765.8A CN108130106A (en) | 2018-01-31 | 2018-01-31 | Coal heat carrier combines pyrolysis installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096765.8A CN108130106A (en) | 2018-01-31 | 2018-01-31 | Coal heat carrier combines pyrolysis installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108130106A true CN108130106A (en) | 2018-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810096765.8A Pending CN108130106A (en) | 2018-01-31 | 2018-01-31 | Coal heat carrier combines pyrolysis installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795459A (en) * | 2018-07-20 | 2018-11-13 | 新疆乾海环保科技有限公司 | A kind of dry coke quenching coupling smalls pyrolytic process and system |
| CN112237980A (en) * | 2020-09-27 | 2021-01-19 | 赣州博立科技有限公司 | High-efficient broken screening plant of tungsten carbide powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102022A (en) * | 2010-12-31 | 2011-06-22 | 清华大学 | Moving bed reactor for medium temperature dry distillation |
| CN104152165A (en) * | 2014-08-19 | 2014-11-19 | 合肥乾海洁净煤技术有限公司 | Gas cycle coal full-particle diameter grading, pyrolyzing and coupling metallurgy reduction technology and system thereof |
| US20170189877A1 (en) * | 2014-05-23 | 2017-07-06 | Battelle Memorial Institute | Dual Bed Pyrolysis System and Method |
| CN207958247U (en) * | 2018-01-31 | 2018-10-12 | 新疆乾海环保科技有限公司 | Coal heat carrier combines pyrolysis installation |
-
2018
- 2018-01-31 CN CN201810096765.8A patent/CN108130106A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102022A (en) * | 2010-12-31 | 2011-06-22 | 清华大学 | Moving bed reactor for medium temperature dry distillation |
| US20170189877A1 (en) * | 2014-05-23 | 2017-07-06 | Battelle Memorial Institute | Dual Bed Pyrolysis System and Method |
| CN104152165A (en) * | 2014-08-19 | 2014-11-19 | 合肥乾海洁净煤技术有限公司 | Gas cycle coal full-particle diameter grading, pyrolyzing and coupling metallurgy reduction technology and system thereof |
| CN207958247U (en) * | 2018-01-31 | 2018-10-12 | 新疆乾海环保科技有限公司 | Coal heat carrier combines pyrolysis installation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795459A (en) * | 2018-07-20 | 2018-11-13 | 新疆乾海环保科技有限公司 | A kind of dry coke quenching coupling smalls pyrolytic process and system |
| CN112237980A (en) * | 2020-09-27 | 2021-01-19 | 赣州博立科技有限公司 | High-efficient broken screening plant of tungsten carbide powder |
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