CN204298320U - A kind of heating system - Google Patents
A kind of heating system Download PDFInfo
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- CN204298320U CN204298320U CN201420710852.5U CN201420710852U CN204298320U CN 204298320 U CN204298320 U CN 204298320U CN 201420710852 U CN201420710852 U CN 201420710852U CN 204298320 U CN204298320 U CN 204298320U
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- coke
- stove gas
- burner
- jet pipe
- subtube
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Abstract
The utility model discloses a kind of heating system, for heating the burner of coke oven, comprise: coke-stove gas main pipeline, one end of described coke-stove gas main pipeline connects the air supply source pipeline of described coke oven, and the other end of described coke-stove gas main pipeline connects the first crossover valve and the second crossover valve respectively; Described first crossover valve is arranged between described coke-stove gas main pipeline and the first coke-stove gas subtube; Described first coke-stove gas subtube connects jet pipe under the first kind pusher side burner of jet pipe under the first kind coke side burner of described coke oven, described coke oven respectively; Described second crossover valve is arranged between described coke-stove gas main pipeline and the second coke-stove gas subtube; Described second coke-stove gas subtube connects jet pipe under the Equations of The Second Kind pusher side burner of jet pipe under the Equations of The Second Kind coke side burner of described coke oven, described coke oven respectively.
Description
Technical field
The metallurgical manufacture field of the utility model, particularly relates to a kind of heating system.
Background technology
In coke oven for iron, because coke oven end is in the most border of coking furnace shaft, and directly contact with air layer, therefore heat dissipation capacity is very large, and in 6m coke oven, burner heat dissipation capacity accounts for greatly 3% ~ 5% of whole heat dissipation capacity.Along with the turnaround time of coke oven extends, heat dissipation capacity and then increases, and therefore end flue temperature also will significantly reduce.
In addition, because the load collision in the expansion of body of heater and production process will cause producing crack between stove brick, jamb brick, chute, regenerator sealing wall occur to loosen distortion, body of heater blowby aggravates, a large amount of cold air can be sucked, result also in the reduction of end flue temperature, time serious, end flue temperature can lower than the crystalline form inversion point of silica brick, and then accelerates burner and degrade.
In addition, regulated not at that time when storing top suction, the distribution of coal gas amount is just uneven, causes furnace temperature to fluctuate, also has larger impact to end flue temperature.
When end flue temperature is on the low side for a long time, just there will be the phenomenon that in coke, blackhead is burnt, green coke is on the high side, yield rate is not high.
Utility model content
The utility model provides a kind of heating system, to improve the too low technical problem of coke oven end temperature.
For solving the problems of the technologies described above, the utility model provides a kind of heating system, for heating the burner of coke oven, comprise: coke-stove gas main pipeline, one end of described coke-stove gas main pipeline connects the air supply source pipeline of described coke oven, and the other end of described coke-stove gas main pipeline connects the first crossover valve and the second crossover valve respectively; Described first crossover valve is arranged between described coke-stove gas main pipeline and the first coke-stove gas subtube; Described first coke-stove gas subtube connects jet pipe under the first kind pusher side burner of jet pipe under the first kind coke side burner of described coke oven, described coke oven respectively; Described second crossover valve is arranged between described coke-stove gas main pipeline and the second coke-stove gas subtube; Described second coke-stove gas subtube connects jet pipe under the Equations of The Second Kind pusher side burner of jet pipe under the Equations of The Second Kind coke side burner of described coke oven, described coke oven respectively; When described first crossover valve work, coke-stove gas flows into described coke-stove gas main pipeline, described first coke-stove gas subtube, then to flow under the described first kind coke side burner jet pipe under jet pipe and described first kind pusher side burner, heats the burner of correspondence; When the second crossover valve work, described coke-stove gas flows into described coke-stove gas main pipeline, described second coke-stove gas subtube, then to flow under described Equations of The Second Kind coke side burner jet pipe under jet pipe and Equations of The Second Kind pusher side burner, heats the burner of correspondence.
Preferably, described first crossover valve specifically coke-stove gas crossover valve; Described second crossover valve specifically coke-stove gas crossover valve.
Preferably, described coke-stove gas main pipeline is DN600 pipeline.
Preferably, described first coke-stove gas subtube is DN80 pipeline; Described second coke-stove gas subtube is DN80 pipeline.
Preferably, described system also comprises: the first metal hose, to be connected under the first kind coke side burner of described first coke-stove gas subtube and described coke oven between jet pipe; Second metal hose, to be connected under the first kind pusher side burner of described first coke-stove gas subtube and described coke oven between jet pipe.
Preferably, described system also comprises: the first valve, and described first valve is arranged between described first coke-stove gas subtube and described first metal hose; Second valve, described second valve is arranged between described first coke-stove gas subtube and described second metal hose.
Preferably, described system also comprises: the 3rd metal hose, to be connected under the Equations of The Second Kind coke side burner of described second coke-stove gas subtube and described coke oven between jet pipe; 4th metal hose, to be connected under the Equations of The Second Kind pusher side burner of described second coke-stove gas subtube and described coke oven between jet pipe.
Preferably, described system also comprises: the 3rd valve, and described 3rd valve is arranged between described second coke-stove gas subtube and described 3rd metal hose; 4th valve, described 4th valve is arranged between described second coke-stove gas subtube and described 4th metal hose.
By one or more technical scheme of the present utility model, the utility model has following beneficial effect or advantage:
The heating system of the utility model design, comprising: coke-stove gas main pipeline, one end of described coke-stove gas main pipeline connects the air supply source pipeline of described coke oven, and the other end of described coke-stove gas main pipeline connects the first crossover valve and the second crossover valve respectively; Described first crossover valve is arranged between described coke-stove gas main pipeline and the first coke-stove gas subtube; Described first coke-stove gas subtube connects jet pipe under the first kind pusher side burner of jet pipe under the first kind coke side burner of described coke oven, described coke oven respectively; Described second crossover valve is arranged between described coke-stove gas main pipeline and the second coke-stove gas subtube; Described second coke-stove gas subtube connects jet pipe under the Equations of The Second Kind pusher side burner of jet pipe under the Equations of The Second Kind coke side burner of described coke oven, described coke oven respectively.When for burner air feed, switched by the first crossover valve and the second crossover valve, give corresponding flue by coke gas supply, effectively can solve coke oven end temperature situation on the low side, invest little, quantities is few, easy control, successful.Within the time of implementing burner compensation heating, coke oven end temperature can be stabilized in more than 1100 DEG C, and burner coefficient remains on more than 0.80, and burner coke is ripe good, and without blackhead, burnt and green coke appearance, effectively slow down degrading of jamb brick.
Accompanying drawing explanation
The schematic diagram of the heating system that Fig. 1 provides for the utility model embodiment;
The connection diagram of the coke gas flow control valve that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
In order to make the utility model the technical staff in the technical field more clearly understand the utility model, below in conjunction with accompanying drawing, by specific embodiment, technical solutions of the utility model are described in detail.
In the utility model, we devise a kind of heating system to coke oven end supplementary heating, specifically, are carry out supplementary heating to the burner of the machine of coke oven, the respective of coke side respectively.This system for air supply source with coke-stove gas in coke oven basement coal gas supervisor, is set up the pipeline of DN80, is circular layout respectively at machine, the little bracket place of coke side burner.Under machine, each burner of coke side, be connected with jet pipe under the burner of machine, each burner of coke side by DN80 pipe with metal hose, odd or even number burner is air feed respectively.In addition, in order to heat coke oven end better, each burner quirk has independent gas regulator door, can regulate targetedly according to temperature conditions.Exchange system for exchanging power source, exchanges synchronous with coke oven with blast furnace gas exchange system.
Adopt heating system to after burner supplementary heating, temperature and improving Be very effective, end flue temperature can ensure more than 1100 DEG C, and burner coke is ripe good, the burnt and green coke appearance without blackhead.
Referring to Fig. 1, lower mask body introduces the structure of the heating system that the utility model embodiment provides.
This heating system comprises:
Coke-stove gas main pipeline 101, one end of coke-stove gas main pipeline 101 connects the air supply source pipeline of coke oven, and the other end of coke-stove gas main pipeline 101 connects the first crossover valve 102 and the second crossover valve 103 respectively.Specifically, the first crossover valve 102 specifically coke-stove gas crossover valve; Second crossover valve 103 specifically coke-stove gas crossover valve.And for the selection of coke-stove gas main pipeline 101, the pipeline of DN (nominal diameter) 600 can be selected.
For the first crossover valve 102:
First crossover valve 102 is arranged between coke-stove gas main pipeline 101 and the first coke-stove gas subtube 104.First coke-stove gas subtube 104 also can select the pipeline of DN (nominal diameter) 80.
First coke-stove gas subtube 104 connects jet pipe 106 under the first kind pusher side burner of jet pipe 105 under the first kind coke side burner of coke oven, coke oven respectively.Specifically, this system also comprises the first metal hose 107 and the second metal hose 108.Wherein, the first metal hose 107 to be connected under the first kind coke side burner of the first coke-stove gas subtube 104 and coke oven between jet pipe 105.Second metal hose 108, to be connected under the first kind pusher side burner of the first coke-stove gas subtube 104 and coke oven between jet pipe 106.In addition in order to control the temperature heated better, this system also includes the first valve 109, first valve 109 and is arranged between the first coke-stove gas subtube 104 and the first metal hose 107; Second valve 110, second valve 110 is arranged between the first coke-stove gas subtube 104 and the second metal hose 108.These valves are all coke gas flow control valves.
For the second crossover valve 103:
Second crossover valve 103 is arranged between coke-stove gas main pipeline 101 and the second coke-stove gas subtube 111; Second coke-stove gas subtube 111 connects jet pipe 113 under the Equations of The Second Kind pusher side burner of jet pipe 112 under the Equations of The Second Kind coke side burner of coke oven, coke oven respectively.Specifically, this system also comprises the 3rd metal hose 114 and the 4th metal hose 115.Wherein, the 3rd metal hose 114, to be connected under the Equations of The Second Kind coke side burner of the second coke-stove gas subtube 111 and coke oven between jet pipe 112.4th metal hose 115, to be connected under the Equations of The Second Kind pusher side burner of the second coke-stove gas subtube 111 and coke oven between jet pipe 113.3rd valve the 116, three valve 116 is arranged between the second coke-stove gas subtube 111 and the 3rd metal hose 114; 4th valve the 117, four valve 117 is arranged between the second coke-stove gas subtube 111 and the 4th metal hose 115.These valves are all coke gas flow control valves.
In actual applications, the burner of what first kind coke side burner and Equations of The Second Kind coke side burner represented is diverse location, by coke side burner number consecutively, first kind coke side burner is then the burner being numbered odd number, and Equations of The Second Kind coke side burner is then the burner being numbered even number.Specifically, first kind coke side burner can have one, also can by multiple.Equations of The Second Kind coke side burner can have one, also can have multiple.In addition, pusher side burner and coke side burner similar, the application repeats no more.
When described first crossover valve work, coke-stove gas flows into described coke-stove gas main pipeline, described first coke-stove gas subtube, then to flow under the described first kind coke side burner jet pipe under jet pipe and described first kind pusher side burner, heats the burner of correspondence; When the second crossover valve work, described coke-stove gas flows into described coke-stove gas main pipeline, described second coke-stove gas subtube, then to flow under described Equations of The Second Kind coke side burner jet pipe under jet pipe and Equations of The Second Kind pusher side burner, heats the burner of correspondence.
Referring to Fig. 2, concrete example is used to be described below.
In fig. 2:
1,2,3,4 ..., 25,26,27,28: towards the coke gas flow control valve of coke side 1#, 3#, 5#, 7# ..., 49#, 51#, 53#, 55# combustion chamber burner;
29,30,31,32 ..., 53,54,55,56: towards the coke gas flow control valve of coke side 2#, 4#, 6#, 8# ..., 50#, 52#, 54#, 56# combustion chamber burner;
57,58,59,60 ..., 81,82,83,84: towards the coke gas flow control valve of pusher side 1#, 3#, 5#, 7# ..., 51#, 53#, 55#, 57# combustion chamber burner;
85,86,87,88 ..., 109,110,111,112: towards the coke gas flow control valve of pusher side 2#, 4#, 6#, 8# ..., 50#, 52#, 54#, 56# combustion chamber burner;
101: coke-stove gas main pipeline; 102: the first crossover valves; 103: the second crossover valves.
Dotted line frame represents heating system.
Here is the installation method that the application designs:
(1), on coke oven basement coal gas supervisor, 1 DN80 pipe 101 is drawn, through coke-stove gas crossover valve (the first crossover valve 102), with coke-stove gas crossover valve (the second crossover valve 103), be respectively used to provide coke-stove gas to machine, each flue of coke side burner.Mechanical coke both sides coke oven gas pipe is individually fixed in the little bracket place of coke oven stay.
(2), according to odd or even number requirement, punch on the steam line at jet pipe under corresponding burner and the little bracket place of coke oven respectively, and weld a threaded connection short tube;
(3), use metal hose to be connected with steam line by jet pipe under burner, and at metal hose and coke-stove gas steam line junction, gas flow control valve is installed;
(4), by the pull bar of the switch of supplementary heating with coke oven blast furnace gas exchange system be connected, ensure that the air feed of supplementary heating system meets coke oven double-fire channel circulating-heating.Determine to meet production requirement through debugging;
(5), before pouring coke-stove gas into, steam or N2 is used to purge coke-stove gas steam line, until to diffuse critical point sampling explosion qualified;
(6), open the total gate valve of coke-stove gas steam line, to coke oven end air feed, check that each burner is got angry situation in time.And measure end flue temperature, measure in time, ensure heating effect;
(7), according to coke oven end temperature regime, each burner air demand of adjustment in time, ensures that coke oven end temperature is more than 1100 DEG C, can improve coke oven end coefficient by each burner heater of fine tuning.
(8) implementation result:
By increasing burner bucking-out system, the end flue temperature of 2013 Nian E steel Coking Company West coke ovens improves Be very effective.Compared with 2012, the machine of 3#, 4# coke oven, coke side end flue temperature improve 89/107 DEG C, 82/87 DEG C respectively, and burner coefficient improves 0.09,0.07 respectively.
Front and back burner technical indicator contrast transformed by table 1
By one or more technical scheme of the present utility model, the utility model has following beneficial effect or advantage:
The heating system of the utility model design, comprising: coke-stove gas main pipeline, one end of described coke-stove gas main pipeline connects the air supply source pipeline of described coke oven, and the other end of described coke-stove gas main pipeline connects the first crossover valve and the second crossover valve respectively; Described first crossover valve is arranged between described coke-stove gas main pipeline and the first coke-stove gas subtube; Described first coke-stove gas subtube connects jet pipe under the first kind pusher side burner of jet pipe under the first kind coke side burner of described coke oven, described coke oven respectively; Described second crossover valve is arranged between described coke-stove gas main pipeline and the second coke-stove gas subtube; Described second coke-stove gas subtube connects jet pipe under the Equations of The Second Kind pusher side burner of jet pipe under the Equations of The Second Kind coke side burner of described coke oven, described coke oven respectively.When for burner air feed, switched by the first crossover valve and the second crossover valve, give corresponding flue by coke gas supply, effectively can solve coke oven end temperature situation on the low side, invest little, quantities is few, easy control, successful.Within the time of implementing burner compensation heating, coke oven end temperature can be stabilized in more than 1100 DEG C, and burner coefficient remains on more than 0.80, and burner coke is ripe good, and without blackhead, burnt and green coke appearance, effectively slow down degrading of jamb brick.
Although described preferred embodiment of the present utility model, one of ordinary skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1. a heating system, for heating the burner of coke oven, is characterized in that, comprising:
Coke-stove gas main pipeline, one end of described coke-stove gas main pipeline connects the air supply source pipeline of described coke oven, and the other end of described coke-stove gas main pipeline connects the first crossover valve and the second crossover valve respectively;
Described first crossover valve is arranged between described coke-stove gas main pipeline and the first coke-stove gas subtube; Described first coke-stove gas subtube connects jet pipe under the first kind pusher side burner of jet pipe under the first kind coke side burner of described coke oven, described coke oven respectively;
Described second crossover valve is arranged between described coke-stove gas main pipeline and the second coke-stove gas subtube; Described second coke-stove gas subtube connects jet pipe under the Equations of The Second Kind pusher side burner of jet pipe under the Equations of The Second Kind coke side burner of described coke oven, described coke oven respectively;
When described first crossover valve work, coke-stove gas flows into described coke-stove gas main pipeline, described first coke-stove gas subtube, then to flow under the described first kind coke side burner jet pipe under jet pipe and described first kind pusher side burner, heats the burner of correspondence; When the second crossover valve work, described coke-stove gas flows into described coke-stove gas main pipeline, described second coke-stove gas subtube, then to flow under described Equations of The Second Kind coke side burner jet pipe under jet pipe and Equations of The Second Kind pusher side burner, heats the burner of correspondence.
2. the system as claimed in claim 1, is characterized in that,
Described first crossover valve specifically coke-stove gas crossover valve; Described second crossover valve specifically coke-stove gas crossover valve.
3. the system as claimed in claim 1, is characterized in that, described coke-stove gas main pipeline be DN600 pipeline.
4. system as claimed in claim 3, it is characterized in that, described first coke-stove gas subtube is DN80 pipeline; Described second coke-stove gas subtube is DN80 pipeline.
5. the system as claimed in claim 1, is characterized in that, described system also comprises:
First metal hose, to be connected under the first kind coke side burner of described first coke-stove gas subtube and described coke oven between jet pipe;
Second metal hose, to be connected under the first kind pusher side burner of described first coke-stove gas subtube and described coke oven between jet pipe.
6. system as claimed in claim 5, it is characterized in that, described system also comprises:
First valve, described first valve is arranged between described first coke-stove gas subtube and described first metal hose;
Second valve, described second valve is arranged between described first coke-stove gas subtube and described second metal hose.
7. the system as claimed in claim 1, is characterized in that, described system also comprises:
3rd metal hose, to be connected under the Equations of The Second Kind coke side burner of described second coke-stove gas subtube and described coke oven between jet pipe;
4th metal hose, to be connected under the Equations of The Second Kind pusher side burner of described second coke-stove gas subtube and described coke oven between jet pipe.
8. system as claimed in claim 7, it is characterized in that, described system also comprises:
3rd valve, described 3rd valve is arranged between described second coke-stove gas subtube and described 3rd metal hose;
4th valve, described 4th valve is arranged between described second coke-stove gas subtube and described 4th metal hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710852.5U CN204298320U (en) | 2014-11-24 | 2014-11-24 | A kind of heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710852.5U CN204298320U (en) | 2014-11-24 | 2014-11-24 | A kind of heating system |
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| Publication Number | Publication Date |
|---|---|
| CN204298320U true CN204298320U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420710852.5U Expired - Fee Related CN204298320U (en) | 2014-11-24 | 2014-11-24 | A kind of heating system |
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| CN (1) | CN204298320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135767A (en) * | 2018-10-09 | 2019-01-04 | 鞍钢股份有限公司 | Coke oven compensation heating device and method |
-
2014
- 2014-11-24 CN CN201420710852.5U patent/CN204298320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135767A (en) * | 2018-10-09 | 2019-01-04 | 鞍钢股份有限公司 | Coke oven compensation heating device and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20181124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |