CN203259436U - Thermal difference type coke thermal performance reactor - Google Patents

Thermal difference type coke thermal performance reactor Download PDF

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Publication number
CN203259436U
CN203259436U CN 201320168240 CN201320168240U CN203259436U CN 203259436 U CN203259436 U CN 203259436U CN 201320168240 CN201320168240 CN 201320168240 CN 201320168240 U CN201320168240 U CN 201320168240U CN 203259436 U CN203259436 U CN 203259436U
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sample
coke
hanging basket
galvanic couple
deployment tube
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CN 201320168240
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Chinese (zh)
Inventor
陈鹏
陈细涛
薛改凤
鲍俊芳
詹立志
项茹
宋子逵
任玉明
张雪红
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Wuhan Iron and Steel Co Ltd
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Wuhan Iron and Steel Group Corp
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Abstract

The utility model discloses a thermal difference type coke thermal performance reactor. The thermal difference type coke thermal performance reactor comprises a reactor barrel body, an end cover, a sample separating hanging basket and a suspending piece, wherein a sample isolating plate is arranged in the sample separating hanging basket; the sample isolating plate is used for dividing the sample separating hanging basket into a plurality of isolated sample regions; a long hole is formed in the middle of the sample separating hanging basket; the suspending piece comprises a temperature control couple distributing tube, a master connecting tube and a plurality of temperature measuring couple distributing tubes; the temperature control couple distributing tube and the temperature measuring couple distributing tubes are communicated with the master connecting tube; the master connecting tube is fixedly connected with the end cover; the temperature control couple distributing tube is arranged in the long hole; the plurality of temperature measuring couple distributing tubes are arranged in the corresponding isolated sample regions respectively; a sample plate is arranged at the bottom of the sample separating hanging basket; a plurality of ventilating holes are formed in the sample plate. The thermal difference type coke thermal performance reactor disclosed by the utility model can be used for obtaining differential heat curves of different coke ball samples under the same heating condition and judging the performances of two coke hole wall base materials and the value of the coke porosity according to the change trends of the two differential heat curves.

Description

Thermal different type Thermal Properties of Coke reactor
Technical field
The utility model relates to the coking technology field, refers to particularly a kind of thermal different type Thermal Properties of Coke reactor.
Background technology
Coke is a kind of carbon-based fuel of porous structure, plays the effects such as skeleton, reductive agent in blast furnace.Because its skeleton function, having relatively high expectations of the cold strength of blast furnace operating STRENGTH ON COKE and heat load intensity, at present to characterize mainly be to be undertaken by the post reaction strength of coke among the GB GB/T4000-2008 and coke reactivity to the hot strength of STRENGTH ON COKE, and the barrate strength of the result that the method is measured after by coke gasification reaction characterizes the quality of coke.And coke mainly is subject to the erosion of carbon dioxide in blast furnace and intensity occurs and descend.Do not have at present a kind of suitable method to measure the pore texture of coke and the impact of hole wall host material performance STRENGTH ON COKE reaction rate, the intensity behind the coke gasification reaction also can't obtain in addition.
The utility model content
The purpose of this utility model will provide a kind of thermal different type Thermal Properties of Coke reactor exactly, and this reactor can obtain the state variation situation that melts of coke in coke and the carbon dioxide reaction process in real time when satisfying present Thermal Properties of Coke bioassay standard.Obtain simultaneously the rule that affects of the pore texture of coke and hole wall host material performance STRENGTH ON COKE reaction rate.
For realizing this purpose, the thermal different type Thermal Properties of Coke reactor that the utility model is designed, comprise that the bottom is provided with the reactor shell of draft tube, be arranged on the end cap at reactor shell top, be arranged on minute sample Hanging Basket in the reactor shell, be used for tangling minute suspender of sample Hanging Basket, wherein, described end cap is provided with escape pipe, divide in the sample Hanging Basket and be provided with the sample division board, this sample division board will divide the sample Hanging Basket to be divided into a plurality of isolation sample areas, divide the middle part of sample Hanging Basket to offer slotted hole, described suspender comprises temperature control galvanic couple deployment tube, total connecting pipe and a plurality of thermometric galvanic couple deployment tube, temperature control galvanic couple deployment tube and thermometric galvanic couple deployment tube all are communicated with total connecting pipe, total connecting pipe is fixedly connected with end cap, temperature control galvanic couple deployment tube is inserted slotted hole, described a plurality of thermometric galvanic couple deployment tube is inserted respectively corresponding isolation sample area, the bottom of described minute sample Hanging Basket is sample disc, offers a plurality of air holes on the described sample disc.
Be fixedly connected with by set bolt between described total connecting pipe and the end cap.
Described thermometric galvanic couple deployment tube has two, described temperature control galvanic couple deployment tube is between two thermometric galvanic couple deployment tube, described each thermometric galvanic couple deployment tube side all is fixed with a cross-brace pipe, the sidewall of described minute sample Hanging Basket offers the fixing port that cooperates with the cross-brace pipe, and described fixing port is made of with the vertical pickup groove that is positioned at horizontal pickup groove end horizontal pickup groove.
The beneficial effects of the utility model are: by above-mentioned thermal different type Thermal Properties of Coke reactor and Thermal Properties of Coke analytical approach, can not only carry out simultaneously the coke reactivity of two groups of GB GB/T4000-2008 defineds and the test of post-reaction strength, can also obtain the differential thermal curve of the different coke pellets samples under the identical heating condition, and judge the height of quality and the coke porosity of two parts of coke hole wall host materials by the variation tendency of more above-mentioned two differential thermal curves.Simultaneously, utilize this reactor and Thermal Properties of Coke analytical approach can obtain easily the important parameter of coke reactivity and these two Thermal Properties of Cokes of post reaction strength of coke.In addition, utilize this reactor and Thermal Properties of Coke analytical approach can also obtain easily the rule that affects of coke hole wall host material quality or coke porosity height STRENGTH ON COKE reaction rate.
Description of drawings
Fig. 1 is a kind of structural representation of thermal different type Thermal Properties of Coke reactor;
Fig. 2 is the sectional structure synoptic diagram of minute sample Hanging Basket of thermal different type Thermal Properties of Coke reactor;
Fig. 3 is the vertical view of minute sample Hanging Basket of thermal different type Thermal Properties of Coke reactor;
Fig. 4 is the structural representation of the suspender of thermal different type Thermal Properties of Coke reactor;
Fig. 5 is the structural representation of inverted L-shaped fixing port on minute sample Hanging Basket sidewall;
Fig. 6 is coke differential thermal curve figure corresponding among the embodiment.
Wherein, 1-escape pipe, 2-reactor shell, 3-set bolt, 4-end cap, 5-minute sample Hanging Basket, 5.1-sample division board, 5.2-slotted hole, 5.3-sample disc, 5.4-air hole, 5.5-horizontal pickup groove, 5.6-vertical pickup groove, 6-suspender, 6.1-temperature control galvanic couple deployment tube, 6.2-thermometric galvanic couple deployment tube, 6.3-total connecting pipe, 6.4-cross-brace pipe, 7-draft tube, 8-temperature control galvanic couple, 9-thermometric galvanic couple.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Thermal different type Thermal Properties of Coke reactor shown in Fig. 1 ~ 5, it comprises that the bottom is provided with the reactor shell 2 of draft tube 7, be arranged on the end cap 4 at reactor shell 2 tops, be arranged on minute sample Hanging Basket 5 in the reactor shell 2, be used for tangling minute suspender of sample Hanging Basket 56, wherein, end cap 4 is provided with escape pipe 1, divide in the sample Hanging Basket 5 and be provided with sample division board 5.1, this sample division board 5.1 will divide sample Hanging Basket 5 to be divided into a plurality of isolation sample areas, divide the middle part of sample Hanging Basket 5 to offer slotted hole 5.2, suspender 6 comprises temperature control galvanic couple deployment tube 6.1, total connecting pipe 6.3 and two thermometric galvanic couple deployment tube 6.2, temperature control galvanic couple deployment tube 6.1 and thermometric galvanic couple deployment tube 6.2 all are communicated with total connecting pipe 6.3, total connecting pipe 6.3 is fixedly connected with end cap 4, temperature control galvanic couple deployment tube 6.1 is inserted slotted hole 5.2, two thermometric galvanic couple deployment tube 6.2 are inserted respectively corresponding isolation sample area, dividing the bottom of sample Hanging Basket 5 is sample disc 5.3, offers a plurality of air holes 5.4 on the sample disc 5.3.
In the technique scheme, be fixedly connected with by set bolt 3 between total connecting pipe 6.3 and the end cap 4.
In the technique scheme, thermometric galvanic couple deployment tube 6.2 has two, temperature control galvanic couple deployment tube 6.1 is between two thermometric galvanic couple deployment tube 6.2, each thermometric galvanic couple deployment tube 6.2 side all is fixed with a cross-brace pipe 6.4, divide the sidewall of sample Hanging Basket 5 to offer the inverted L-shaped fixing port that cooperates with cross-brace pipe 6.4, the inverted L-shaped fixing port is made of with the vertical pickup groove 5.6 that is positioned at horizontal pickup groove 5.5 ends horizontal pickup groove 5.5.After cross-brace pipe 6.4 enters the bottom of vertical pickup groove 5.6, rotating to an angle enters horizontal pickup groove 5.5, has realized the vertical spacing of 6 pairs of minutes sample Hanging Baskets 5 of suspender.
Above-mentioned thermal different type Thermal Properties of Coke reactor carries out the method that Thermal Properties of Coke is analyzed, and comprises the steps:
Step 1: two parts of different coke are made respectively two parts of corresponding coke pellets samples;
Step 2: reactor shell 2 is put into heating furnace, and respectively getting weight respectively from two parts of coke pellets samples again is m 1The coke pellets of gram is put into two corresponding isolation sample areas, guarantees that simultaneously the number of coke pellets sample in each isolation sample area is identical, and described two isolation sample areas place in the reactor shell;
Step 2.1: temperature control galvanic couple 8 is passed in total connecting pipe 6.3 access temperature control galvanic couple deployment tube 6.1, two thermometric galvanic couples 9 are passed total connecting pipe 6.3 access respectively in the corresponding thermometric galvanic couple deployment tube 6.2; Temperature control galvanic couple 8 is connected temperature-controlling system, two thermometric galvanic couples 9 are connected moisture recorder;
Step 3: the control heating furnace heats up, and open gas handling system and pass through draft tube 7 to reactor shell 2 interior conveying blanket gas, until heating furnace is warming up to 1095 ~ 1105 ℃, after stablizing certain hour, to reactor shell 2 interior transport of reactant gases bodies, coke pellets is behind reactor shell 2 internal reaction certain hours, close the heating power supply of heating furnace, cut off simultaneously the reacting gas supply, the reaction of coke pellets stops, transfer logical blanket gas to, until the temperature in the reactor shell 2 is down to below 200 ℃, moisture recorder and temperature-controlling system be the temperature of two parts of coke pellets center thermometric galvanic couples 9 and temperature control galvanic couple 8 in the above coke pellets course of reaction of real time record respectively, the temperature of above-mentioned thermometric galvanic couple 9 is temperature of coke pellets, the temperature of temperature control galvanic couple 8 is the environment temperatures in the reactor shell, this environment temperature is used for feeding back to heating furnace, make the environment temperature in the reactor shell in the coke pellets course of reaction, be stabilized in 1095 ~ 1105 ℃, simultaneously, the temperature of calculating in real time above-mentioned two parts of coke pellets center thermometric galvanic couples 9 in the coke pellets course of reaction separately and the difference between the temperature of temperature control galvanic couple 8, and this difference is depicted as respectively differential thermal curve, the variation tendency of more above-mentioned two differential thermal curves, difference changes differential thermal curve greatly, react more violent, coke hole wall host material is relatively poor or the coke porosity is higher; Above-mentioned differential thermal curve can also reflect the state variation situation that melts of coke in coke and the carbon dioxide reaction process, and namely the temperature difference is larger, and it is more serious to melt state;
Step 4: will react the coke pellets that finishes rear cool to room temperature and pour out, every part of reacted coke pellets is weighed, note is m respectively 2Gram and m 3Gram, wherein m 2Gram is the weight of a coke pellets, m 3Gram is the weight of No. two coke pellets;
Step 5: reacted two parts of coke pellets are respectively charged in the corresponding rotary drum, and with the rotating speed rotation certain hour of two rotary drums with 19 ~ 21r/min, then from two rotary drums, take out respectively coke pellets, at last two parts of coke pellets are sieved with round-hole mesh respectively, and the weight of material on each round-hole mesh of weighing, note is m respectively 4Gram and m 5Gram, wherein, m 4Gram is the weight of a coke pellets, m 5Gram is the weight of No. two coke pellets;
Step 6: Calculation of Coke reactivity and post reaction strength of coke, computing method are as follows:
CRI 1=(m 1-m 2)/m 1*100%;
CRI 2=(m 1-m 3)/m 1*100%;
CSR 1=m 4/m 2*100%;
CSR 2=m 5/m 3*100%;
Wherein, CRI 1And CRI 2Be respectively the coke reactivity of a coke pellets and the coke reactivity of No. two coke pellets, CSR 1And CSR 2Be respectively the post reaction strength of coke of a coke pellets and the post reaction strength of coke of No. two coke pellets, namely finished the analysis of Thermal Properties of Coke.Thereby obtained the important parameter of above-mentioned two Thermal Properties of Cokes, this parameter is used for the quality analysis of follow-up coke, provides reference for research affects the molten reaction of the charcoal of coke in ironmaking processes.
In the technique scheme, blanket gas is preferably N 2Gas.Reacting gas is preferably CO 2Gas.
In the step 3 of technique scheme, opening gas handling system is the N of 5L/min by draft tube 7 to reactor shell 2 interior feed flows 2Gas until heating furnace is warming up to 1095 ~ 1105 ℃, after stablizing 5min, is the CO of 5L/min to reactor shell 2 interior feed flows 2Then gas 2 hours close the heating power supply of heating furnace, cuts off simultaneously CO 2The supply of gas transfers the N that through-current capacity is 5L/min to 2Gas is until the temperature in the reactor shell 2 is down to below 200 ℃.
In the step 5 of technique scheme, reacted two parts of coke pellets are respectively charged in the corresponding rotary drum, and with the rotating speed rotation 30min of two rotary drums with 19 ~ 21r/min, then from two rotary drums, take out respectively coke pellets, be respectively the round-hole mesh screening of 10mm with sieve diameter to two parts of coke pellets at last, and the weight of material on each round-hole mesh of weighing, note is m respectively 4Gram and m 5Gram, wherein, m 4Gram is the weight of a coke pellets, m 5Gram is the weight of No. two coke pellets;
In the step 3 of technique scheme, the step that heating furnace intensification, blanket gas and reacting gas are opened is carried out according to the standard of GB GB/T 4000-2008.
The below describes the detailed process of Thermal Properties of Coke analytic approach for example in detail:
Get the coke pellets 200g of No. 1 sample, totally 38; Get the coke pellets 200g of No. 2 samples, totally 38, in the reactor of packing into.Plug temperature control galvanic couple 8 and thermometric galvanic couple 9, be warming up to 1100 ℃ under the condition of logical nitrogen, cut off nitrogen, connect the carbon dioxide through preheating, flow is 5L/min, open record moisture recorder, recording reacting time and temperature.Reacted 2 hours, stopped heating cuts off the carbon dioxide gas circuit, changes logical nitrogen, and flow control is at 5L/min.When sample is cooled to below 200 ℃, with moisture recorder and the temperature-controlling system temperature of two parts of coke pellets center thermometric galvanic couples 9 and temperature control galvanic couple 8 in the above course of reaction of real time record respectively, difference between the temperature of the above-mentioned two parts of coke pellets center thermometric galvanic couples 9 of real-time calculating of while and the temperature of temperature control galvanic couple 8, and this difference is depicted as respectively differential thermal curve, this differential thermal curve is as shown in Figure 6.Then take out coke pellets and weighing, obtaining No. 1 sample quality of coke pellets is 149.84g, the quality of No. 2 samples of coke pellets is 159.72g, then reacted two parts of coke pellets are respectively charged in the corresponding rotary drum, and with the rotating speed rotation 30min of two rotary drums with 19 ~ 21r/min, then from two rotary drums, take out respectively coke pellets, be that to obtain No. 1 sample quality after the round-hole mesh screening of 10mm be 98.37g with sieve diameter respectively to two parts of coke pellets at last, No. 2 sample qualities are 112.75g.
Pass through formula:
CRI 1=(m 1-m 2)/m 1*100%;
CRI 2=(m 1-m 3)/m 1*100%;
CSR 1=m 4/m 2*100%;
CSR 2=m 5/m 3*100%;
Calculate the CRI of No. 1 sample 1=25.08%, CSR 1=65.65%; The CRI of No. 2 samples 2=20.14%, CSR 2=70.59%.
As can be seen from Figure 6, the cooling slope of No. 1 sample and No. 2 samples is similar, the coke gasification reaction speed that two samples are described is similar, but the cooling extent of No. 2 samples is obviously greater than No. 1 sample, the hole wall host material that No. 2 samples are described is second-rate, the heat absorption reflection is comparatively violent, and As time goes on the porosity of coke increases, further heat absorption.So just can judge easily the hole wall host material quality of coke and the porosity of coke.
The content that this instructions is not described in detail belongs to the known prior art of this area professional and technical personnel.

Claims (3)

1. thermal different type Thermal Properties of Coke reactor, it is characterized in that: it comprises that the bottom is provided with the reactor shell of draft tube (7) (2), be arranged on the end cap (4) at reactor shell (2) top, be arranged on minute sample Hanging Basket (5) in the reactor shell (2), be used for tangling the suspender (6) of minute sample Hanging Basket (5), wherein, described end cap (4) is provided with escape pipe (1), divide in the sample Hanging Basket (5) and be provided with sample division board (5.1), this sample division board (5.1) will divide sample Hanging Basket (5) to be divided into a plurality of isolation sample areas, divide the middle part of sample Hanging Basket (5) to offer slotted hole (5.2), described suspender (6) comprises temperature control galvanic couple deployment tube (6.1), total connecting pipe (6.3) and a plurality of thermometric galvanic couple deployment tube (6.2), temperature control galvanic couple deployment tube (6.1) and thermometric galvanic couple deployment tube (6.2) all are communicated with total connecting pipe (6.3), total connecting pipe (6.3) is fixedly connected with end cap (4), temperature control galvanic couple deployment tube (6.1) is inserted slotted hole (5.2), described a plurality of thermometric galvanic couple deployment tube (6.2) are inserted respectively corresponding isolation sample area, described minute the sample Hanging Basket (5) the bottom be sample disc (5.3), offer a plurality of air holes (5.4) on the described sample disc (5.3).
2. thermal different type Thermal Properties of Coke reactor according to claim 1 is characterized in that: be fixedly connected with by set bolt (3) between described total connecting pipe (6.3) and the end cap (4).
3. thermal different type Thermal Properties of Coke reactor according to claim 1 and 2, it is characterized in that: described thermometric galvanic couple deployment tube (6.2) has two, described temperature control galvanic couple deployment tube (6.1) is positioned between two thermometric galvanic couple deployment tube (6.2), described each thermometric galvanic couple deployment tube (6.2) side all is fixed with a cross-brace pipe (6.4), described minute the sample Hanging Basket (5) sidewall offer the fixing port that cooperates with cross-brace pipe (6.4), described fixing port is made of horizontal pickup groove (5.5) and the vertical pickup groove (5.6) that is positioned at horizontal pickup groove (5.5) end.
CN 201320168240 2013-04-07 2013-04-07 Thermal difference type coke thermal performance reactor Expired - Fee Related CN203259436U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196951A (en) * 2013-04-07 2013-07-10 武汉钢铁(集团)公司 Coke thermal performance analyzing method and thermal difference type coke thermal performance reactor
CN108946909A (en) * 2018-07-16 2018-12-07 成都九翼环保科技有限公司 Overcritical water oxidization reactor and its online system for detecting temperature and purposes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196951A (en) * 2013-04-07 2013-07-10 武汉钢铁(集团)公司 Coke thermal performance analyzing method and thermal difference type coke thermal performance reactor
CN108946909A (en) * 2018-07-16 2018-12-07 成都九翼环保科技有限公司 Overcritical water oxidization reactor and its online system for detecting temperature and purposes
CN108946909B (en) * 2018-07-16 2024-04-02 成都九翼环保科技有限公司 Supercritical water oxidation reactor and online temperature detection system and application thereof

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170714

Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs

Patentee after: Wuhan iron and Steel Company Limited

Address before: 430080 Wuchang, Hubei Friendship Road, No. A, block, floor 999, 15

Patentee before: Wuhan Iron & Steel (Group) Corp.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131030

Termination date: 20190407