CN205024183U - Coke oven gas processing apparatus - Google Patents
Coke oven gas processing apparatus Download PDFInfo
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- CN205024183U CN205024183U CN201520633988.5U CN201520633988U CN205024183U CN 205024183 U CN205024183 U CN 205024183U CN 201520633988 U CN201520633988 U CN 201520633988U CN 205024183 U CN205024183 U CN 205024183U
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- coke
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Abstract
The utility model discloses a coke oven gas processing apparatus can get rid of the processing apparatus who produces harmful substance in the coke oven for one kind more easily, include: the coal that to pack into carries out the coke oven that high temperature heating formed the coke, arrange the chimney of outside with the coal gas that the coke oven produced, install and make coal gas moves to the mobile flue of chimney in from the coke oven, gets rid of dust and the bag hose of sulphide in the coal gas, install in the mobile flue of coal gas, to the process the coal gas of bag hose adds thermal treatment's heating device, and install in the flow path of coal gas, get rid of the process dioxin in heating device's the coal gas and nitrogen oxide's SCR device. The utility model discloses can make the mixed coal gas of dust that produces in the coke oven through bag hose entrapment dust before being discharged by the chimney, protect all ring edge borders, avoid causing to the harm human and capital equipment, adoption honeycomb's SCR device has increased the area of contact of its and coal gas, and then can get rid of harmful substance more smoothly.
Description
Technical field
The utility model relate to a kind of coal gas processing device, more particularly, is a kind of coke-oven gas treatment unit.
Background technology
For producing blast furnace fuel-coke needed for iron work, coal being loaded coke oven, under the condition more than 1300 DEG C, is heated more than 19 hours, coal starts progressively melting and decomposes, produce volatile component, under this molten state, continue raised temperature, coal will solidify and form coke.
But after coke oven uses for a long time, in stove, the refractory walls of carbonizing chamber can chap, the coal dust produced when loading coal or coal gas by these crack flowing in combustion chambers, then will be discharged from chimney by large flue.
The materials such as the hydrogen sulfide that coke-oven gas (CokeOvenGas " COG ") contains are clog equipment, cause the major cause of topsoil, and in addition, most of composition of coke-oven gas is hydrogen, and it can be used as must selective removal hydrogen sulfide when regenerating thermal source.
Hydrogen sulfide not only pollutes surrounding enviroment, produces serious harm to human body, and pollutes coke oven periphery major equipment, and equipment performance is reduced, and also can excite the discontented of nearby residents, greatly damage the external image of enterprise.
Utility model content
technical task
Propose the utility model for solving above-mentioned existing issue point, its object is as follows.
The first, an object of the present utility model is to provide a kind of objectionable impurities such as dust, moisture, sulphur, nitrogen more effectively removed in coke-oven gas, prevents the coke-oven gas treatment unit of line clogging and the environmental pollution caused thus.
The second, another object of the present utility model is the structure of heating unit improving process coke-oven gas, make temperature increase more stable more effective.
The technical task that the utility model relates to is not limited to above-mentioned problem, and relevant practitioner can clearly understand according to following record the problem or other problem that do not mention.
technical scheme
For reaching described object, the utility model provides a kind of coke-oven gas treatment unit, comprising:
The coal of loading is carried out the coke oven that heat forms coke;
The coal gas that described coke oven produces is discharged to outside chimney;
Be arranged on and make described coal gas move to the flowing flue of described chimney from coke oven, the dust in removal coal gas and the bag filter of sulfide;
Be arranged in the flowing flue of described coal gas, the coal gas through described bag filter carried out to the heating unit of heat treated; And
Be arranged in the flow passage of described coal gas, remove the SCR device of Dioxins and oxynitride in the coal gas of described heating unit.
Heating unit uses coke oven coal gas heating coal gas.
Neutralizing agent input port is housed between described coke oven and described bag filter.
Adopt noble metal catalyst in described SCR device, there is the honeycomb structure increasing itself and coal gas contact area.
Ammonia feeding mechanism with removing oxynitride is housed between described heating unit and SCR device.
Between described bag filter and heating unit, assisted heating device is housed.
The gas temperature flowing into described bag filter reaches 190 DEG C-210 DEG C,
The gas temperature heated by described assisted heating device reaches 210 DEG C-230 DEG C,
290 DEG C-310 DEG C are reached by the gas temperature of above-mentioned heating devices heat.
Described assisted heating device adopts the Gas Flow making to have heated in described coke oven through wherein, is directly disposed to the heat exchanger form of described chimney after carrying out the high temperature conduction of coal gas.
Also comprise the particle collector being equipped with and storing the dust removed through described bag filter.
Also comprise: the mistress with Gas Flow entrance and coal gas relief outlet; And
Have and be arranged on described outer indoor, have opening portion in described relief outlet side, opposite, described opening portion is provided with the interior room of combustion chamber.
The internal diameter of described influx is less than the internal diameter of described relief outlet.
beneficial effect
The beneficial effect of the utility model one embodiment to coke-oven gas treatment unit according to having described structure illustrates as follows:
The first, from the utility model one embodiment coke-oven gas treatment unit, the mix dust coal gas produced in coke oven traps dust through bag filter before being discharged by chimney, protects surrounding enviroment, avoids the harm that causes human body and major equipment.
The second, from the utility model one embodiment coke-oven gas treatment unit, adopt the SCR device of honeycomb structure to increase the contact area of itself and coal gas, and then more successfully can remove objectionable impurities.
3rd, from the utility model one embodiment coke-oven gas treatment unit, adopt two benches heating arrangement can more effectively, more stably heating gas.
4th, from the utility model one embodiment coke-oven gas treatment unit, the structure of heating unit utilizes the diameter difference of influx and relief outlet more easily can control the temperature of coal gas.
5th, from the utility model one embodiment coke-oven gas treatment unit, directly the assisted heating device received from the coal gas of high temperature of coke oven have employed simple heat exchanger form, makes lifting gas temperature more economical and effective.
The beneficial effects of the utility model are not limited to above-mentioned effect, and relevant practitioner can clearly understand according to the record of claims the effect or other effect that do not mention.
Accompanying drawing explanation
Fig. 1 be represent an embodiment coke-oven gas treatment unit of the present utility model main composition part between the skeleton diagram of annexation.
Fig. 2 is the sketch chart of the heating unit structure representing described coke-oven gas treatment unit.
Fig. 3 is the skeleton diagram of the annexation represented between described coke-oven gas treatment unit main composition part.
nomenclature:
100: coke-oven gas treatment unit; 102: neutralizing agent supply opening;
104: particle collector; 106: ammonia feeding mechanism;
110: coke oven; 120: bag filter;
130: heating unit; 131: mistress;
132: interior room; 133: opening portion;
134: influx; 136: relief outlet;
138: combustion chamber; 140:SCR device;
150: scavenger fan device; 160: chimney;
230: assisted heating device.
Embodiment
Below with reference to can the embodiment relevant drawings of specific implementation the utility model object be described, integral part identical in accompanying drawing uses identical title and identical symbol, omits corresponding additional instruction at this.First, with reference to accompanying drawing, embodiment composition of the present utility model is illustrated.
Fig. 1 is the skeleton diagram representing annexation between embodiment coke-oven gas treatment unit 100 chief component of the present utility model.
As shown in the figure, the utility model one embodiment coke-oven gas treatment unit 100 comprises coke oven 110, bag filter 120, heating unit 130, SCR device 140, scavenger fan device 150 and chimney 160.
Described coke oven 110 has the internal space that can load coal, under the state isolated with extraneous air, under the hot conditions more than 1200 DEG C-1300 DEG C, carries out long-time heating to coal, production canescence coke after the volatile component contained in removal coal.
In addition, when producing coke according to the method described above, coke-oven gas (CokeOvenGas or " COG ") is produced based on thermolysis effect when coal destructive distillation, after coal gas is discharged from coke oven 110 side, move to bag filter 120 (BAGFILTER) through being arranged between coke oven 110 and chimney 160 as other shunt conduit in flow of gas path.
Described bag filter 120 has specific filtration, can be made up of non-woven fabrics.So bag filter 120 can play the effect of the dust (dust) removing existence in coal gas etc.
In addition, neutralizing agent supply opening 102 is separately equipped with in described bag filter 120 ingress on coal gas flue, removes sour gas (SOX) by described neutralizing agent.
Specifically, referring to the neutralizing agent supplied by described neutralizing agent supply opening 102 can be sodium bicarbonate etc., utilizes the materials such as sodium bicarbonate to carry out desulfuration operations.
Now, should have the particle collector 104 be connected with described bag filter 120, the dust filtered out by described bag filter 120 is stored in described particle collector 104.
Next, flow into described heating unit 130 by the coal gas of described bag filter 120 to heat.Below with reference to the accompanying drawings 2 pairs of heating units 130 are described in detail.
Fig. 2 is the sketch chart of the heating unit structure representing described coke-oven gas treatment unit, and described heating unit 130 comprises mistress 131 and interior room 132.
Here, described mistress 131 and interior room 132 form the state that girth is in specific isolation.
In addition, the side of described mistress 131 and opposite side have influx 134 and relief outlet 136 respectively, after making coal gas flow into mistress 131 by the flowing-path of described coal gas, again can be discharged to the outside of mistress 131.
In addition, as shown in the figure, have interior room 132 inside described mistress 131, described interior room 132 has and is positioned at and the opening portion 133 at described relief outlet respective direction place and the combustion unit 138 located in the other direction with described opening portion 133.
Now, the internal diameter (A) of the described influx 134 in described mistress 131 must be less than the internal diameter (B) of described relief outlet 136, corresponding with the diameter of the transfer tube that described influx 134 is connected and the diameter of spout 134, corresponding with the diameter of the transfer tube that described relief outlet 136 is connected and the diameter of described relief outlet 136.
Based on above-mentioned composition, when combustion unit 138 starts, described heating unit 130 makes the coal gas of inflow in described mistress 131 and short stay in interior room 132, and utilize the pressure difference caused because of diameter difference to reduce the coal gas velocity of discharge, the gas temperature that the gas temperature of discharge is flowed into relatively rises.
Specifically, set the size of described diameter and described mistress 131 and interior room 132, make the gas temperature of the described bag filter of inflow reach 190 DEG C-210 DEG C, to be heated by heating unit 130 and the gas temperature of discharging reaches 290 DEG C-310 DEG C.
On the one hand, in described heating unit 130, the coal gas that combustion unit 138 uses coke oven to produce heats.That is, described combustion unit 138 obtain coke oven work time produce gas supply after ignition trigger, make operation more economically.
Refer again to described in accompanying drawing 1, coal gas moves to SCR device 140 by described heating unit 130.
Described SCR device 140 uses noble metal catalyst, removes Dioxins remaining in the coal gas by described heating devices heat and oxynitride.Here noble metal catalyst can be the material such as titanium dioxide or Tungsten oxide 99.999.
In addition, although illustrate in detail, SCR device 140 has honeycomb (honeycomb) structure of multilayered structure and band barrier film, expects to increase the contact area of itself and coal gas.
On the one hand, between described heating unit 130 and SCR device 140, ammonia feeding mechanism 106 is housed, to the gas supply ammonia flowing to SCR device 140, makes the removal of oxynitride remaining in coal gas etc. more easy.
The coal gas flowing through described SCR device 140 is discharged to outside by the ventilator in scavenger fan device 150 via chimney 160.
Here, scavenger fan device 150 and ventilator etc. can adopt disclosed variform, in this detailed.
From the utility model one embodiment coke-oven gas treatment unit 100, the mix dust coal gas resulting from coke oven traps dust through described bag filter 120 before discharging from chimney, and protection surrounding enviroment, make human body and major equipment be without prejudice.
In addition, the SCR device 140 of honeycomb structure is adopted more effectively to remove objectionable impurities by the contact area increasing itself and coal gas.
On this basis, while startup utilizes the combustion unit 138 of coal gas, utilize the temperature increase effect of inside and outside cell structure that efficiency of operation can be made to maximize.
Fig. 3 is the skeleton diagram representing annexation between described coke-oven gas treatment unit 200 main composition part.
The present embodiment have employed the structure different from above-described embodiment, increases and have employed assisted heating device 230.Main explanation constructs different assisted heating devices 230 from an embodiment below.
Another embodiment coke-oven gas treatment unit 200 of the utility model comprises coke oven 110, bag filter 120, heating unit 130, SCR device 140 equally, changes fan assembly 150 and chimney 160, and formation and the effect of each part mentioned above are identical with an above-mentioned embodiment.
But, in the present embodiment coke-oven gas treatment unit 200, between described bag filter 120 and heating unit 130, add assisted heating device 230.
Therefore, as shown in the figure, after the coal gas flowing through described assisted heating device 230, heating unit 130 and described SCR device 140 flows into described assisted heating device 230 again, outside is discharged to by chimney 160.
On the one hand, described assisted heating device 230 forms specific heat exchanger form, namely directly utilizes the form from the temperature of the coal gas of high temperature of described coke oven 110.
Although show the form of coal gas by supply after bag filter 120 in Fig. 3, but also can be in different ways, namely described coke oven 110 is directly connected with assisted heating device 230 by other shunt conduit (not shown), makes the coal gas of high temperature in coke oven 110 can directly be supplied to assisted heating device 230.
Specifically, based on said structure, the gas temperature flowing into described bag filter 120 reaches 190 DEG C-210 DEG C, and the gas temperature heated by assisted heating device 230 reaches 210 DEG C-230 DEG C.
In addition, the gas temperature heated by heating unit 130 reaches 290 DEG C-310 DEG C, different from an above-mentioned embodiment, forms the form again heated heating gas, can save the coal gas flowing into SCR device 140 and reach necessary temp required electric power and coal gas.In addition, in the present embodiment, described heating unit 130 uses the coal gas of coke oven 110, is used by sparking mode, achieves the maximization of economic benefit.
Although be illustrated above-described embodiment of the present utility model above, but in addition to the implementation, the utility model can when not departing from aim of the present utility model and scope by other specific modality tool, and this fact is self-explantory concerning those of ordinary skill in the field.Therefore must know above-described embodiment be only used to citing instead of restrictive, that is the utility model is not limited to above-mentioned explanation, can change in right and equivalents.
Such as, we can at each specific position use temperature sensor of the various embodiments described above and pressure transmitter, confirm whether heating unit and boosting decoration normally start, measure the flowing pressure of coal gas, whether in good time assurance produces flase operation and the situation such as whether to break down, and guarantees the smooth operation for the treatment of unit.
Claims (11)
1. a coke-oven gas treatment unit, is characterized in that, comprising:
The coal of loading is carried out the coke oven that heat forms coke;
The coal gas that described coke oven produces is discharged to outside chimney;
Be arranged on and make described coal gas move to the flowing flue of described chimney from coke oven, the dust in removal coal gas and the bag filter of sulfide;
Be arranged in the flowing flue of described coal gas, the coal gas through described bag filter carried out to the heating unit of heat treated; And
Be arranged in the flow passage of described coal gas, remove the SCR device of Dioxins and oxynitride in the coal gas of described heating unit.
2. coke-oven gas treatment unit according to claim 1, is characterized in that, heating unit uses coke oven coal gas heating coal gas.
3. coke-oven gas treatment unit according to claim 1, is characterized in that, neutralizing agent input port is housed between described coke oven and described bag filter.
4. coke-oven gas treatment unit according to claim 1, is characterized in that, adopt noble metal catalyst in described SCR device, has the honeycomb structure increasing itself and coal gas contact area.
5. coke-oven gas treatment unit according to claim 1, is characterized in that, the ammonia feeding mechanism with removing oxynitride is housed between described heating unit and SCR device.
6. coke-oven gas treatment unit according to claim 1, is characterized in that, between described bag filter and heating unit, assisted heating device is housed.
7. coke-oven gas treatment unit according to claim 6, is characterized in that,
The gas temperature flowing into described bag filter reaches 190 DEG C-210 DEG C,
The gas temperature heated by described assisted heating device reaches 210 DEG C-230 DEG C,
290 DEG C-310 DEG C are reached by the gas temperature of above-mentioned heating devices heat.
8. coke-oven gas treatment unit according to claim 6, is characterized in that, described assisted heating device adopts the Gas Flow making to have heated in described coke oven through wherein, is directly disposed to the heat exchanger form of described chimney after carrying out the high temperature conduction of coal gas.
9. coke-oven gas treatment unit according to claim 1, is characterized in that, also comprises the particle collector being equipped with and storing the dust removed through described bag filter.
10. coke-oven gas treatment unit according to claim 1, is characterized in that, also comprise:
There is the mistress of Gas Flow entrance and coal gas relief outlet; And
Have and be arranged on described outer indoor, have opening portion in described relief outlet side, opposite, described opening portion is provided with the interior room of combustion chamber.
11. coke-oven gas treatment unit according to claim 10, is characterized in that,
The internal diameter of described influx is less than the internal diameter of described relief outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0102514 | 2015-07-20 | ||
| KR20150102514 | 2015-07-20 |
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| CN205024183U true CN205024183U (en) | 2016-02-10 |
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| CN201520633988.5U Active CN205024183U (en) | 2015-07-20 | 2015-08-21 | Coke oven gas processing apparatus |
| CN201510515748.XA Pending CN106367125A (en) | 2015-07-20 | 2015-08-21 | Coke oven gas processing apparatus |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510515748.XA Pending CN106367125A (en) | 2015-07-20 | 2015-08-21 | Coke oven gas processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367125A (en) * | 2015-07-20 | 2017-02-01 | 韩国株式会社艾尔利斯 | Coke oven gas processing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101200646B (en) * | 2007-09-02 | 2010-09-08 | 程相魁 | Waste water zero discharging method for coke-oven gas dew-point returning process |
| CN102807902B (en) * | 2012-08-22 | 2014-06-11 | 株洲南方燃气轮机成套制造安装有限公司 | Secondary purification method of coke oven gas |
| CN205024183U (en) * | 2015-07-20 | 2016-02-10 | 耶俄利斯有限公司 | Coke oven gas processing apparatus |
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- 2015-08-21 CN CN201510515748.XA patent/CN106367125A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367125A (en) * | 2015-07-20 | 2017-02-01 | 韩国株式会社艾尔利斯 | Coke oven gas processing apparatus |
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Address after: Han Guoqing Chang North Road Pohang city big iron and steel all road surface 66 street 10 Patentee after: Eyre, South Korea Inc Address before: Han Guoqing Chang North Road Pohang city big iron and steel all road surface 66 fan street, 10 Patentee before: AERIX CO., LTD |