CN208700980U - A kind of dry coke quenching coupling smalls pyrolysis system - Google Patents
A kind of dry coke quenching coupling smalls pyrolysis system Download PDFInfo
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- CN208700980U CN208700980U CN201821157667.2U CN201821157667U CN208700980U CN 208700980 U CN208700980 U CN 208700980U CN 201821157667 U CN201821157667 U CN 201821157667U CN 208700980 U CN208700980 U CN 208700980U
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Abstract
The utility model provides a kind of dry coke quenching coupling smalls pyrolysis system, dry breath coke is carried out to red coke using the burnt cooling device of ring type breath and is pyrolyzed to smalls is not glued with small beans, smalls will not first be glued and spread and cease burnt cooling device bottom into ring type, the red coke that coke oven is produced again cannot be covered on viscously on smalls, finally the small beans being pyrolyzed in advance is covered on red coke, coal pyrolysis is carried out using the sensible heat of red coke, generates a large amount of high temperature raw coke oven gas, while by red burnt cooling down.The utility model significantly improves coke quality in the way of dry coke quenching, improves the mechanical stability of metallurgical coke, improves the uniformity of coke lumpiness, while reducing the discharge of harmful substance, protects environment.The sensible heat of red coke is utilized, sufficiently exchanges heat pyrolysis with not viscous smalls, the small beans of addition, to generate a large amount of coal gas.It makes full use of thermal energy and generates coal gas, saved the energy and reduced costs.Condensate recycling device condensing recovery coal tar is utilized, and exports and is supplied outside purification coal gas.
Description
Technical field
The utility model relates to coal chemical industry and coal sub-prime sublevel technical fields, and in particular to a kind of dry coke quenching coupling smalls
Pyrolysis system.
Background technique
Chinese coal reserves account accounts for the 12% of worldwide coal resource, and China's low-order coal reserves account accounts for 50% left side of coal reserves
The right side, yield account 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 the whole nation and visited
45% or so of bright reserves, for the coal formed by this epoch in addition to only a few anthracite, most of remaining is lignite, length
The low-order coals such as flame coal, dross coal and weakly caking coal.In Regional Distribution, reserves are largely focused on Inner Mongol, Shaanxi, Xinjiang, sweet
Respectful, Shanxi, six, Ningxia province (area), and these areas are the serious deficient places of China's water resource, are constrained to a certain extent
Processing upgrading industrial expansion is carried out using these low-order coals.
Low-order coal is due to high-moisture, high-volatile, low heat value, and easily spontaneous combustion the characteristics of, to be unsuitable for long term storage
And long-distance transportation, it is considered a kind of low-grade coal resource for a long time, is only used as pit-head power station fuel and near coal-mine gasified raw material at present,
Limit the rational exploitation and utilization of low order coal resource.How Efficient Conversion is just important at one of coal utilization using low-order coal
Problem.
Conventional wet coke quenching method is that red burnt temperature is dropped to 300 degree hereinafter, the steam that quenching generates directly is arranged using water spray
It is put into atmosphere, wastes red a large amount of sensible heats of coke, meanwhile, when coke wet quenching, red coke quick refrigeration can be such that coke crackle increases, coke matter
Amount decline, coke moisture fluctuation is larger, is unfavorable for blast furnace ironmaking production.In addition, the entrainment with steam that coke wet quenching generates remains in coke
Corrosive media and a large amount of dust in charcoal pollute environment and air.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of dry coke quenching coupling smalls pyrolysis system, realizes red
The coupling of parch quenching cooling technology and smalls pyrolytic technique sufficiently recycles the material sensible heat in technique, saves
The energy, while coke quality is significantly improved using Dry Quenching Technology, the discharge of harmful substance is reduced, environment is protected.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of dry coke quenching coupling smalls pyrolysis system, comprising:
Coke oven, ring type quenching cooling device, granule pyrolysis of coal filter device, condensate recycling device, rotary cooling device
And screening plant；
The coke oven refines manufactured red coke and send to the thermal material feed inlet of ring type quenching cooling device, and the ring type quenching is cold
But the material outlet of device is connected with the feed inlet of rotary cooling device, the outlet of the high-temperature gas of ring type quenching cooling device with
The heat source import of granule pyrolysis of coal filter device is connected；
The discharge port of the rotary cooling device is connected with the feed inlet of screening plant, the discharge port of the screening plant
It is divided into four tunnels, exports coke, char particle, coke powder and last coke powder respectively；
The material outlet of the granule pyrolysis of coal filter device is connected with the feed inlet of ring type quenching cooling device, small beans
The gas exit of pyrolysis filter device is connected with the air inlet of condensate recycling device；
The gas circuit outlet of the condensate recycling device is connected with the import of gas fan, and the coal gas after cooling and purifying is through coal gas
Blower a part is outer to be supplied, and it is red burnt cooling that another part is recycled to the participation of ring type quenching cooling device.
The utility model has the following technical effect that
1, different from the conventional dry coke quenching mode for using inert gas, wet breath Jiao Shihong coke quick refrigeration can make coke crackle
Increase, the fluctuation of coke moisture content is larger, and the dry coke quenching mode of the utility model is mildly cooled down using smalls, relative to the burnt mode of wet breath
Coke quality can be made to significantly improve, improve the mechanical stability of coke, while reduce water consumption, reduce the aqueous of coke
Rate also reduces the discharge of harmful substance, protects environment.
2, using the sensible heat of red coke, the not viscous smalls of addition is sufficiently exchanged heat pyrolysis, the production of ring type quenching cooling device is passed through
Raw coal gas of high temperature is entered to preheat small beans in granule pyrolysis of coal filter device and be solved, and the small beans after pre- pyrolysis enters back into
Homogeneous heat is bored in ring type quenching cooling device, to generate a large amount of raw coke oven gas, make full use of thermal energy and generate coal gas, saves
The energy reduces costs；Three kinds of materials of small beans after not viscous smalls, red burnt and preheating are successively spread burnt cooling into ring type breath
Device bottom, effectively cools down red coke, and sufficiently exchanges heat pyrolysis to not viscous smalls.
3, condensing recovery coal tar is carried out to the coal gas after filtering dust using condensate recycling device, and exports purification coal gas
Outer confession.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model dry coke quenching couples smalls pyrolysis system.
Specific embodiment
A kind of preferred embodiment of the utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1, the utility model dry coke quenching coupling smalls pyrolysis system includes:
Coke oven 100, red burnt transfer cart 200, ring type quenching cooling device 300, rotary cooling device 400, screening plant
500, small beans cold filtration 600, condensate recycling device 700.
The discharge port of the coke oven 100 carries out entrucking by the feed inlet of red burnt transfer cart 200, and the red burnt transfer cart is by object
Material is transported to the thermal material feed inlet of ring type quenching cooling device 300.
The material outlet of the ring type quenching cooling device 300 is connected with the feed inlet of rotary cooling device 400, high temperature
Gas vent is connected with the heat source import of granule pyrolysis of coal filter device 600, and the not viscous smalls 310 is cooling by ring type quenching
The material inlet of device 300 enters.
400 discharge port of rotary cooling device is connected with the feed inlet of screening plant 500, and heat exchange hot water passes through circulation
Water pump 410 is recycled to cooling rack 420 and carries out heat exchange, and the cold water after exchange returns to rotary cooling device and recycles.
The discharge port of the screening plant 500 is divided into four tunnels, exports coke 510, char particle 520, coke powder 530 and Mo Jiao respectively
Powder 540.
The material outlet of the small beans cold filtration 600 is connected with the feed inlet of ring type quenching cooling device 300, coal gas
Outlet is connected with the air inlet of condensate recycling device 700；
The gas circuit outlet of the condensate recycling device 700 is connected with the import of gas fan 710, and cooling coal gas is through coal gas wind
Machine 710 pressurizes and externally supplies coal gas, and remaining a part send the connected participation of gas circuit entrance to ring type quenching cooling device 700 cold
But.
The utility model, which is used, is sent to ring type quenching cooling device for raw material (not gluing smalls, small beans), utilizes red coke
Sensible heat carry out that heat exchange pyrogenic processes produce a large amount of coal gas and raw coke oven gas, raw coke oven gas generate after cold filtration, condensing recovery
It purifies coal gas and carries out outer supply.
The working principle of the utility model is illustrated below:
Coking coal 100 is refined by coke oven at red burnt 101；
Ring type quenching cooling device 300 is delivered to by red burnt transfer cart 200 by red burnt 101；
By red burnt 101, not viscous smalls 310 and pre- pyrolysis 601 3 kinds of materials of granule coal in ring type quenching cooling device 300
It is dry while carrying out heat exchange pyrolysis to put out cooling red coke.Coke after cooling, semicoke mixed material 301 are sent into rotary cooling device
400 is further cooling, and the coal gas of high temperature 302 that heat exchange pyrolysis generates is passed into granule pyrolysis of coal filter device 600 to small beans
It is pyrolyzed in advance, and cold filtration is carried out to coal gas.
The paving of red burnt, not viscous three kinds of materials of smalls and small beans enters mode are as follows: will not first glue smalls and spread into ring type breath
Burnt cooling device bottom, then the red coke that coke oven is produced cannot be covered on viscously on smalls, finally cover the small beans after pre- pyrolysis
On Gai Hong coke.
The heat exchange hot water 402 generated when rotary 400 heat exchange of cooling device is pumped by water circulating pump 410 to cool
Water frame 420, the cold water 421 after the heat exchange of cooling rack 420 again return to rotary cooling device 400 and carry out circulating cooling object
Material, material 401 after cooling enter screening plant 500 and carry out sieve classification.
Material is subjected to sieve classification finally by screening plant 500, separates coke 510, char particle 520, coke powder 530 and end
540 4 kinds of products of coke powder.
While the granule pyrolysis of coal filter device 600 is filtered cooling to coal gas of high temperature 302 also to small beans into
The pre- pyrolysis of row.Filtered coal gas 602 enters condensate recycling device 700；
The condensate recycling device 700 further purifies cooling to coal gas, while recycling coal tar.Coal after cooling and purifying
Gas 701 is supplied outside gas fan 710, is partially sent to ring type quenching cooling device 300 and is participated in red burnt 101 cooling.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (1)
1. a kind of dry coke quenching couples smalls pyrolysis system characterized by comprising
Coke oven, ring type quenching cooling device, granule pyrolysis of coal filter device, condensate recycling device, rotary cooling device and sieve
Separating device；
The coke oven refines manufactured red coke and send to the thermal material feed inlet of ring type quenching cooling device, the cooling dress of the ring type quenching
The material outlet set is connected with the feed inlet of rotary cooling device, the high-temperature gas outlet of ring type quenching cooling device and granule
The heat source import of pyrolysis of coal filter device is connected；
The discharge port of the rotary cooling device is connected with the feed inlet of screening plant, and the discharge port of the screening plant is divided into
Four tunnels export coke, char particle, coke powder and last coke powder respectively；
The material outlet of the granule pyrolysis of coal filter device is connected with the feed inlet of ring type quenching cooling device, granule pyrolysis of coal
The gas exit of filter device is connected with the air inlet of condensate recycling device；
The gas circuit outlet of the condensate recycling device is connected with the import of gas fan, and the coal gas after cooling and purifying is through gas fan
A part of outer confession, it is red burnt cooling that another part is recycled to the participation of ring type quenching cooling device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821157667.2U CN208700980U (en) | 2018-07-20 | 2018-07-20 | A kind of dry coke quenching coupling smalls pyrolysis system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821157667.2U CN208700980U (en) | 2018-07-20 | 2018-07-20 | A kind of dry coke quenching coupling smalls pyrolysis system |
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| CN208700980U true CN208700980U (en) | 2019-04-05 |
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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 |
| CN111019680A (en) * | 2019-12-10 | 2020-04-17 | 上海交通大学 | Method for promoting coal coking and improving gas yield and quality |
-
2018
- 2018-07-20 CN CN201821157667.2U patent/CN208700980U/en active Active
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 |
| CN111019680A (en) * | 2019-12-10 | 2020-04-17 | 上海交通大学 | Method for promoting coal coking and improving gas yield and quality |
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