CN203929549U - A kind of device of detection of dynamic coke gasification reaction weightlessness - Google Patents
A kind of device of detection of dynamic coke gasification reaction weightlessness Download PDFInfo
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- CN203929549U CN203929549U CN201420138145.3U CN201420138145U CN203929549U CN 203929549 U CN203929549 U CN 203929549U CN 201420138145 U CN201420138145 U CN 201420138145U CN 203929549 U CN203929549 U CN 203929549U
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- gasification reaction
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Abstract
The utility model provides a kind of device of detection of dynamic coke gasification reaction weightlessness, and its reactor is suspended in electric furnace by hook, and hook is suspended on erecting frame, and erecting frame is placed on electronic scales.Coke, nitrogen and carbon dioxide react in reactor, electric furnace makes to maintain coke in the needed temperature of high reaction in furnace in reactor, thereby make this device can analog blast furnace stove in the current intelligence of coke gasification reaction, the detection of dynamic of the weightless situation of reaction when realization is carried out hot performance detection to blast furnace coke, therefore, can reflect more truly the real reaction situation of coke in blast furnace, can reflect intuitively the Changing Pattern of coke, to blast furnace operating, provide directive function.
Description
Technical field
The utility model relates to a kind of device of detection of dynamic coke gasification reaction weightlessness, by this pick-up unit, blast furnace coke is carried out to hot performance and reacts weightless detection of dynamic.
Background technology
The coke that blast furnace ironmaking is used, enters stokehold and generally need to carry out hot performance detection.At present, conventional pick-up unit is that the pressure environment in atmospheric pressure state or analog blast furnace stove detects, and this detection method can only record a result data.Therefore, can not clearly reflect the real reaction situation of coke in blast furnace, even can not judge well the variation that coke occurs in smelting process, sometimes coke quality has declined, it detects index and but reflects not obviously, particularly during coke quality degradation, can cause conditions of blast furnace not normal, and cannot analyze afterwards clear, the existing weak point of prior art that Here it is.
Utility model content
The technical problems to be solved in the utility model, be exactly for the existing deficiency of prior art, and provide a kind of device of detection of dynamic coke gasification reaction weightlessness, by the detection of this device, can reflect intuitively that coke is at the current intelligence of high reaction in furnace, so that better for blast furnace operating provides valuable reference, instruct better coking to produce.
This programme is achieved by the following technical measures: the device of this detection of dynamic coke gasification reaction weightlessness comprises and is placed on the reactor in electric furnace and is placed on the electronic scales on support, electric furnace is stretched out in the upper end of reactor, on described reactor, be connected with draft tube and escape pipe, on electronic scales, be placed with erecting frame, the upper end of described reactor is connected with hook, and hook is suspended on erecting frame.
Above-mentioned erecting frame comprises crossbeam, vertical beam and triangle crossbeam, and the lower end of vertical beam is fixedly connected with crossbeam, upper end is fixedly connected with triangle crossbeam.
The lower end of above-mentioned support is fixedly connected with shockproof plank, and to prevent that support, electronic scales and reactor from rocking, thereby assurance detects the accuracy of data.
The upper end of above-mentioned reactor leads to thermopair, by the temperature in thermopair Real-Time Monitoring reactor, to guarantee that the temperature in reactor remains at the needed temperature of reaction, guarantees to react and can normally and fully carry out.
In above-mentioned draft tube, be provided with flowmeter, by accurate control of flowmeter, enter the reacting gas in reactor.
Above-mentioned flowmeter is connected with respectively nitrogen cylinder and carbon dioxide cylinder by flexible pipe, by nitrogen cylinder and carbon dioxide cylinder, for reactor provides, reacts needed gas.
The upper cover of above-mentioned reactor is apart from the table 22-28mm of electric furnace, preferably 25mm; The upper end of support is apart from the table 480-520mm of electric furnace, preferred 500mm, and for refractory brick reserves thermal expansion space, on the other hand, the spacing of 500mm can guarantee that thermopair has enough spaces, is also unlikely to make electronic scales to cross heat affecting accuracy on the one hand.
Below above-mentioned electronic scales, be lined with insulating brick, to prevent that electric furnace from exerting an influence to the performance of electronic scales.The range of electronic scales is 0-15kg, and error is ± 0.2g.
Between above-mentioned reactor and electric furnace, adopt insulating brick insulation, to reduce scattering and disappearing of electric furnace heat, with the reactor that guarantees to be suspended in electric furnace, maintain constant temperature of reaction.
The beneficial effect of this programme can learn according to the narration to such scheme, and in the device of this detection of dynamic coke gasification reaction weightlessness, reactor is suspended in electric furnace by hook, and hook is suspended on erecting frame, and erecting frame is placed on electronic scales.Coke and carbon dioxide react in reactor, electric furnace makes to maintain coke in the needed temperature of high reaction in furnace in reactor, thereby make this device can analog blast furnace stove in the current intelligence of coke gasification reaction, the detection of dynamic of the weightless situation of reaction when realization is carried out hot performance detection to blast furnace coke, therefore, can reflect more truly the real reaction situation of coke in blast furnace, can reflect intuitively the Changing Pattern of coke, to blast furnace operating, provide directive function.As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is that 89# coke and 125# coke carry out the curve map of constant temperature test at 1100 ℃.
Fig. 3 is the curve map that 89# coke, 125# coke and the 89# coke picked carry out caloric test.
In figure, 1-electric furnace, 2-reactor, 3-thermopair, 4-draft tube, 5-escape pipe, 6-hook, 7-bolt, 8-insulating brick, 9-flowmeter, 10-support, 11-insulating brick, 12-electronic scales, 13-triangle crossbeam, 14-vertical beam, 15-crossbeam, 16-insulating brick, 17-bolt, the shockproof plank of 18-;
A-flexible pipe, b-flexible pipe, c-nitrogen cylinder, d-carbon dioxide cylinder, e-reduction valve;
The loss of weight amount of A-125# coke, the loss of weight amount of B-89# coke, the loss of weight amount of the 89# coke that C-picks.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
A kind of device of detection of dynamic coke gasification reaction weightlessness, as shown in Figure 1, it comprises the reactor 2 being placed in electric furnace 1 and is placed on the electronic scales 12 on support 10, electronic scales 12 be lined with insulating brick 11 below, insulating brick 11 is positioned on support 10, the range of electronic scales 12 is 0-15kg, error is ± 0.2g, in order to guarantee the true property of number of data, to be fixedly connected with shockproof plank 18 in the lower end of support 10, by shockproof plank 18 damping vibrations, to prevent that shaking the device 2 that induces reaction rocks.
Electric furnace 1 is stretched out in the upper end of reactor 2, make reactor 2 keep being suspended on the state in electric furnace 1, the upper end of described reactor 2 leads to thermopair 3, by thermopair 3, measure in real time the temperature in reactor 2, on reactor 2, be connected with draft tube 4 and escape pipe 5, specifically, draft tube 4 is connected with the lower end of reactor 2, escape pipe 5 is connected with the upper end of reactor 2, make carbon dioxide and coke, under the protective effect of nitrogen, chemical reaction can fully occur, in draft tube 4, be provided with flowmeter 9, flowmeter 9 is connected with respectively nitrogen cylinder c and carbon dioxide cylinder d by the flexible pipe b with reduction valve e and flexible pipe a, nitrogen cylinder c and carbon dioxide cylinder d react needed nitrogen and carbon dioxide for reactor 2 provides, and accurately control and enter nitrogen and the carbon dioxide in reactor 2 by flowmeter 9.
On electronic scales 12, be placed with erecting frame, this erecting frame comprises crossbeam 15, vertical beam 14 and triangle crossbeam 13, and the lower end of vertical beam 14 is fixedly connected with crossbeam 15, upper end is connected with triangle crossbeam 13 by adjusting bolt 17, and triangle crossbeam 13 lies in a horizontal plane on electronic scales 12.The upper end of described reactor 2 is connected with metal hanger 6, on hook 6 crossbeams 15 that are suspended in erecting frame, the housing of the upper cover of reactor 2 and reactor 2 is fixedly connected with by the bolt 7 of band, the lower end of hook 6 hangs on the bolt 7 of band, thereby by linking up with 6, reactor 2 is suspended in electric furnace 1, between reactor 2 and electric furnace 1, adopt insulating brick 8 and insulating brick 16 insulations, when the coke in reactor 2 reacts its mass change, on electronic scales 12, show in real time the variation of data.
The upper cover of reactor 2 is apart from the table 22-28mm of electric furnace 1, preferred 25mm, the upper end of support 10 is apart from the table 480-520mm of electric furnace 1, preferred 500mm, on the one hand for refractory brick reserves thermal expansion space, on the other hand, the spacing of 500mm can guarantee that thermopair has enough spaces, is also unlikely to make electronic scales to cross heat affecting accuracy.
During detection, nitrogen cylinder c and carbon dioxide cylinder d by flexible pipe b and flexible pipe a to the interior supplying nitrogen of reactor 2 and carbon dioxide, and by the flow of flowmeter 9 monitoring nitrogen and carbon dioxide.The furnace chamber of electric furnace 1 is by fireproof insulation brick 16 sealing thermal insulations, the inner chamber of reactor 2 is by insulating brick 8 sealing thermal insulations, make reactor 2 maintain the needed temperature of reaction, carbon dioxide and coke generation chemical reaction, in course of reaction, the weight change of reactor 2 integral body shows in real time on electronic scales 12, reflects the dynamic change of coke gasification reaction by the variation of data.
Choose 89# coke and 125# coke and in reactor, carry out constant temperature test, temperature of reaction is 1100 ℃, and its experimental result as shown in Figure 2.
Choose 89# coke and 125# coke is tested in reactor, temperature of reaction is 1200 ℃, and test findings is as follows:
The 89# coke of choosing 89# coke, 125# coke and picking carries out caloric test in reactor, test structure as shown in Figure 3:
Wherein, 89# coke is 700 ℃ in the temperature of reaction of 0-6min, in the temperature of reaction of 8-20min, is 800 ℃, in the temperature of reaction of 22-32min, is 900 ℃, in the temperature of reaction of 34-56min, is 1000 ℃, in the temperature of reaction of 58-300min, is 1100 ℃;
125# coke is 700 ℃ in the temperature of reaction of 0-6min, in the temperature of reaction of 8-16min, is 800 ℃, in the temperature of reaction of 18-32min, is 900 ℃, in the temperature of reaction of 34-58min, is 1000 ℃, in the temperature of reaction of 60-300min, is 1100 ℃;
The 89# coke of picking is 700 ℃ in the temperature of reaction of 0-6min, in the temperature of reaction of 8-14min, is 800 ℃, in the temperature of reaction of 16-28min, is 900 ℃, in the temperature of reaction of 30-52min, is 1000 ℃, in the temperature of reaction of 54-300min, is 1100 ℃.
The test findings of the coke of choosing different model in a period of time in reactor, test figure is as follows:
Above-mentioned data declaration: by this device, detected online coke strenth loss speed and coke gasification reaction speed; During online detection, during coke weightless 25%, experiment stops, and from table, data see that coke strenth loss speed is large, and reaction rate is very fast, and meanwhile, from analysis of experimental data, 67# coke strenth loss speed is relatively high, and 125# coke gasification reaction speed is relatively very fast.
The advantage of technical solutions of the utility model: this device can analog blast furnace stove in the current intelligence of coke gasification reaction, the detection of dynamic of the weightless situation of reaction when blast furnace coke is carried out to hot performance detection, therefore, can reflect more truly the real reaction situation of coke in blast furnace, the Changing Pattern that can reflect intuitively coke, to blast furnace operating, provide directive function, be conducive to reduce or avoid conditions of blast furnace not normal, be conducive to improve the economic benefit of blast furnace.
In the utility model, without the technical characterictic of describing, can pass through or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned embodiment; the variation that those of ordinary skill in the art makes in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (7)
1. the device of a detection of dynamic coke gasification reaction weightlessness, it is characterized in that: it comprises and is placed on the reactor in electric furnace and is placed on the electronic scales on support, below electronic scales, be lined with insulating brick, the lower end of support is fixedly connected with shockproof plank, electric furnace is stretched out in the upper end of reactor, on described reactor, be connected with draft tube and escape pipe, on electronic scales, be placed with erecting frame, the upper end of described reactor is connected with hook, hook is suspended on erecting frame, wherein, described erecting frame comprises crossbeam, vertical beam and triangle crossbeam, the lower end of vertical beam is fixedly connected with crossbeam, upper end is fixedly connected with triangle crossbeam.
2. the device of detection of dynamic coke gasification reaction weightlessness according to claim 1, is characterized in that: the upper end of described reactor leads to thermopair.
3. the device of detection of dynamic coke gasification reaction weightlessness according to claim 2, is characterized in that: in described draft tube, be provided with flowmeter.
4. the device of detection of dynamic coke gasification reaction weightlessness according to claim 3, is characterized in that: described flowmeter is connected with respectively nitrogen cylinder and carbon dioxide cylinder by flexible pipe.
5. the device of detection of dynamic coke gasification reaction weightlessness according to claim 3, is characterized in that: the upper cover of described reactor is apart from the table 22-28mm of electric furnace, and the upper end of support is apart from the table 480-520mm of electric furnace.
6. the device of detection of dynamic coke gasification reaction weightlessness according to claim 3, is characterized in that: below described electronic scales, be lined with insulating brick, the range of electronic scales is 0-15kg, and error is ± 0.2g.
7. the device of detection of dynamic coke gasification reaction weightlessness according to claim 6, is characterized in that: between described reactor and electric furnace, adopt insulating brick insulation.
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| CN201420138145.3U CN203929549U (en) | 2014-03-26 | 2014-03-26 | A kind of device of detection of dynamic coke gasification reaction weightlessness |
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| CN201420138145.3U CN203929549U (en) | 2014-03-26 | 2014-03-26 | A kind of device of detection of dynamic coke gasification reaction weightlessness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884617A (en) * | 2014-03-26 | 2014-06-25 | 济钢集团有限公司 | Device for dynamically detecting weight loss of coke reaction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884617A (en) * | 2014-03-26 | 2014-06-25 | 济钢集团有限公司 | Device for dynamically detecting weight loss of coke reaction |
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Granted publication date: 20141105 Termination date: 20190326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |