CN105018113A - Ascension pipe of coke oven and method of applying same to recovery heat of raw coke oven gas - Google Patents
Ascension pipe of coke oven and method of applying same to recovery heat of raw coke oven gas Download PDFInfo
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- CN105018113A CN105018113A CN201510391848.6A CN201510391848A CN105018113A CN 105018113 A CN105018113 A CN 105018113A CN 201510391848 A CN201510391848 A CN 201510391848A CN 105018113 A CN105018113 A CN 105018113A
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- coke oven
- uprising tube
- hanging stick
- spoiler
- outer fluid
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Abstract
An embodiment of the invention discloses an ascension pipe of a coke oven and a method of applying the same to recovery heat of raw coke oven gas. The ascension pipe of the coke oven comprises an inner wall and an outer wall and further comprises a suspension rod fixing rack, a suspension rod and at least one spoiler which is fixedly arranged on the suspension rod; the suspension rod fixing rack is mounted in the ascension pipe of the coke oven; the suspension rod and the suspension rod fixing rack are movably connected, so that the suspension rod is overhung in the ascension pipe of the coke oven and can rotate; at least one outer fluid inlet penetrating through the inner wall and the outer wall is formed on the side wall of the ascension pipe of the coke oven, so that an outer fluid is sprayed to the ascension pipe of the coke oven through the outer fluid inlet and drives the suspension rod and the spoiler to rotate. By adopting the technical scheme provided by the invention, the flow field of raw coke oven gas can be changed, the Reynolds number of coke oven gas flowing is increased and the heat exchange efficiency of the coke oven gas in the ascension pipe is improved, so that the recovery utilization ratio of heat of the coke oven gas is improved and the operating efficiency of the coke oven is improved.
Description
Technical field
The present invention relates to coking process waste heat recovery field, particularly a kind of coke oven coke oven uprising tube and apply the method that it reclaims raw gas heat.
Background technology
Coke-oven plant is in process of coking, 650 DEG C-750 DEG C are about through the raw gas temperature that upcast is overflowed from coking chamber, its heat taken out of accounts for about 36% of coke oven output total heat, generally, coke-oven plant can carry out recycling to this part heat, to realize resources conservation, eco-friendly object.
Now, the raw gas heat recuperation mode that coke-oven plant generally adopts passes into heat transferring medium between the inner and outer wall of coke oven coke oven uprising tube, forms heat exchange layer; As shown in Figure 1, heat transferring medium is passed between the inwall 10 and outer wall 11 of coke oven coke oven uprising tube, after heat transferring medium enters from heat transferring medium entrance 12, heat exchange is carried out with the raw gas entered bottom coke oven coke oven uprising tube, and discharge from heat transferring medium outlet 13, raw gas discharges from the raw gas at coke oven coke oven uprising tube top outlet 14, reclaimed by the heat in raw gas by heat exchange.But in practical application, slow owing to carrying out heat exchange near the raw gas of coke oven coke oven uprising tube centre portions and heat transferring medium, obtain toward contact is following and fully carries out heat exchange, just overflow from coke oven coke oven uprising tube, so this heat recuperation mode heat exchange efficiency is lower, reclaim the limited in one's ability of heat.
Summary of the invention
The embodiment of the invention discloses a kind of coke oven coke oven uprising tube and apply the method that it reclaims raw gas heat, to improve the heat exchange efficiency of raw gas in coke oven coke oven uprising tube, and then improve the recovery utilization rate of raw gas heat.Technical scheme is as follows:
The present invention provide firstly a kind of coke oven coke oven uprising tube, comprises inner and outer wall, also comprises: hanging stick anchor, hanging stick and at least one spoiler be fixed on described hanging stick;
Described hanging stick anchor, is installed in coke oven coke oven uprising tube;
Described hanging stick is flexibly connected with described hanging stick anchor, to make described hanging stick overhang in coke oven coke oven uprising tube, and can rotate;
Described coke oven coke oven uprising tube sidewall is provided with at least one the outer fluid entrance running through described inner and outer wall, to make outer fluid spray into coke oven coke oven uprising tube inside by outer fluid entrance, and drives described hanging stick and spoiler to rotate.
In a kind of preferred implementation of invention, described hanging stick anchor is installed on coke oven coke oven uprising tube internal upper part.
In a kind of preferred implementation of invention, described hanging stick anchor is that hollow out is discoid, and described hanging stick is connected in disk by spoke-like interconnecting piece.
In a kind of preferred implementation of invention, described spoiler and coke oven coke oven uprising tube inwall leave predeterminable range.
In a kind of preferred implementation of invention, described hanging stick is positioned on the axis of described coke oven coke oven uprising tube.
In a kind of preferred implementation of invention, described spoiler is along the axial distribution of hanging stick.
In a kind of preferred implementation of invention, described spoiler comprises at least one in blade and traverse baffle.
Present invention also offers and a kind ofly apply the method that above-mentioned coke oven coke oven uprising tube carries out raw gas heat recuperation, comprising:
Spray into outer fluid by outer fluid entrance to coke oven coke oven uprising tube inside in the cycle of presetting, drive described hanging stick and spoiler to rotate, to change the flow field of raw gas in coke oven coke oven uprising tube.
Wherein, described outer fluid can be gas or the liquid that can change into gas in coke oven coke oven uprising tube.
Described outer fluid is preferably raw gas or ammoniacal liquor.
As seen from the above technical solutions, the present invention by increasing hanging stick free to rotate and being fixed at least one spoiler on hanging stick in coke oven coke oven uprising tube, and coke oven coke oven uprising tube sidewall is provided with outer fluid entrance, to make outer fluid spray into coke oven coke oven uprising tube inside by outer fluid entrance, and described hanging stick and spoiler is driven to rotate; Change the flow field of raw gas with this, add the Reynolds number of raw gas flowing, improve the heat exchange efficiency of raw gas in upcast, and then improve the recovery utilization rate of raw gas heat, enhance the Operating ettectiveness of coke oven.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of coke oven coke oven uprising tube structural representation in prior art;
A kind of coke oven coke oven uprising tube structural representation that Fig. 2 provides for the embodiment of the present invention;
A kind of volution spoiler structural representation that Fig. 3 provides for the embodiment of the present invention;
The one three leaf rotary propeller type spoiler structural representation that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of coke oven coke oven uprising tube that Fig. 2 provides for the embodiment of the present invention, comprises inwall 10 and outer wall 11, also comprises: hanging stick anchor 20, hanging stick 21 and at least one spoiler 22 be fixed on described hanging stick;
Described hanging stick anchor 20, is installed in coke oven coke oven uprising tube;
Described hanging stick 21 is flexibly connected with described hanging stick anchor 20, to make described hanging stick 21 overhang in coke oven coke oven uprising tube, and can rotate;
Described coke oven coke oven uprising tube sidewall is provided with at least one the outer fluid entrance 30 running through described inwall 10 and outer wall 11, to make outer fluid spray into coke oven coke oven uprising tube inside by outer fluid entrance 30, and drives described hanging stick 21 and spoiler 22 to rotate.
In actual applications, heat exchange layer can be formed between inwall 10 and outer wall 11, and pass into heat transferring medium, such as thermal oil, water coolant, air etc., after heat transferring medium enters from heat transferring medium entrance 12, carry out heat exchange with the raw gas entered bottom coke oven coke oven uprising tube, and discharge from heat transferring medium outlet 13, raw gas is discharged from the raw gas outlet 14 at coke oven coke oven uprising tube top, thus realizes the object of raw gas heat recuperation.
It should be noted that, Fig. 2 is a kind of structural representation of coke oven coke oven uprising tube, although there is multiple spoiler 22 and multiple outer fluid entrance 30 in Fig. 2, but do not represent in technical scheme of the present invention, just to there is the spoiler 22 of respective numbers and the outer fluid entrance 30 of respective numbers, Fig. 2 can only represent in technical scheme of the present invention that the concrete quantity that there is the spoiler 22 and outer fluid entrance 30 shown in spoiler 22 and outer fluid entrance 30, figure can not become the restriction to technical solution of the present invention.
The embodiment of the present invention by increasing hanging stick 21 free to rotate and being fixed at least one spoiler 22 on hanging stick 21 in coke oven coke oven uprising tube, and coke oven coke oven uprising tube sidewall is provided with outer fluid entrance 30, to make outer fluid spray into coke oven coke oven uprising tube inside by outer fluid entrance 30, and described hanging stick 21 and spoiler 22 is driven to rotate; Change the flow field of raw gas with this, add the Reynolds number of raw gas flowing, improve the heat exchange efficiency of raw gas in coke oven coke oven uprising tube, and then improve the recovery utilization rate of raw gas heat, enhance the Operating ettectiveness of coke oven.
Said hanging stick 21 is flexibly connected with described hanging stick anchor 20, can be understood as hanging stick anchor 20 and hanging stick 21 can be made constant relative to the relative position of coke oven coke oven uprising tube, makes again hanging stick 21 to rotate freely simultaneously.In actual applications, hanging stick 21 is connected to hanging stick anchor 20 by the mode that bearing can be adopted to connect.
The position of hanging stick anchor 20 in coke oven coke oven uprising tube can be determined according to the actual needs produced by technician, and the present invention does not do concrete restriction at this.Such as, hanging stick anchor 20 can be installed on coke oven coke oven uprising tube internal upper part, can better prevent hanging stick 21 and spoiler 22 from rocking like this.The specific form of hanging stick anchor 20 can be determined by technician, not affect the operation of coke oven coke oven uprising tube, ensures that upper water capping can normally be opened for suitable.Such as, it is discoid that hanging stick anchor can be designed to hollow out, and hanging stick is connected in this disk by spoke-like interconnecting piece.
In addition, it is dismountable that said hanging stick anchor 20 can be designed to relative coke oven coke oven uprising tube, so in case of need, hanging stick anchor 20 can be separated together with hanging stick 21 and spoiler 22 from coke oven coke oven uprising tube, carry out overhauling or other operation.
In actual applications, the base accepting hanging stick anchor 20 can be provided with in coke oven coke oven uprising tube.The specific form of base can be determined by technician, better simply, can be provided with the protrusion member of horizontal direction in coke oven coke oven uprising tube according to the specific form of hanging stick anchor 20, and is laid on it by hanging stick anchor 20 and reach fixing object.
The effect of hanging stick 21 is load spoiler 22, and in actual applications, hanging stick 21 can be positioned on the axis of described coke oven coke oven uprising tube.Its one end is relative with coke oven coke oven uprising tube fixing by hanging stick anchor 20, and the other end overhangs in coke oven coke oven uprising tube.
A crucial part of the present invention is spoiler 22, by the rotation of spoiler 22, causes the disturbance of raw gas in coke oven coke oven uprising tube, thus changes the flow field of raw gas.Therefore, any parts of gas disturbance that can cause under rotation situation are all can as spoiler 22 for realizing technical scheme of the present invention.Consider the practical situation of coke-oven plant, spoiler 22 can adopt at least one in blade and traverse baffle.Said blade or traverse baffle are the conventional parts in this area, and therefore not to repeat here in the present invention, but it should be noted that, the shape of blade or traverse baffle can be determined by technician, and the present invention does not do concrete restriction at this.In actual applications, spoiler 22 can be at an angle with hanging stick 21, to facilitate the outer fluid sprayed into do work to spoiler 22, drives it to rotate to be principle.Better perturbation action can be played to raw gas simultaneously.Concrete, volution spoiler as shown in Figure 3 and three leaf rotary propeller type spoilers shown in Fig. 4 can be adopted.
It should be noted that, the parameter such as quantity, size of spoiler 22 can be determined according to heat transfer effect by technician.
In actual applications, spoiler 22 and coke oven coke oven uprising tube inwall 10 leave predeterminable range, are so both conducive to the installation of hanging stick 21 and spoiler 22, are conducive to again the disturbance of raw gas.Be understandable that, the processing parameter that said predeterminable range can be correlated with the size of coke oven coke oven uprising tube and coke oven coke oven uprising tube is relevant.Therefore, the distance between spoiler 22 to coke oven coke oven uprising tube inwall 10 can determine preferred values by technician according to practical experience or relevant data analysis, and the present invention does not do concrete restriction at this.
In addition, spoiler 22 can be fixed by welding and hanging stick 21, and along the axial distribution of hanging stick, both can equidistantly distribute, also can non-equidistance distribution, specifically adopts which kind of form, is also determined according to heat transfer effect by technician.In case of need, the length of hanging stick 21 can from the lower end of coke oven coke oven uprising tube to the upper end of coke oven coke oven uprising tube, and spoiler 22 upwards can distribute from the lower end of coke oven coke oven uprising tube, can be uniformly distributed, also can non-uniform Distribution.Like this, after raw gas enters upcast, just can carry out disturbance to it, make heat transfer effect better.
Another crucial part of the present invention is that coke oven coke oven uprising tube sidewall is provided with at least one the outer fluid entrance 30 running through described inner and outer wall, coke oven coke oven uprising tube inside is sprayed into by outer fluid entrance to make outer fluid, spoiler 22 is done work, drives hanging stick 21 and spoiler 22 to rotate.
In actual applications, outer fluid entrance 30 can be connected with outer fluid line of pipes, and under pressure, makes outer fluid spray into coke oven coke oven uprising tube inside from outer fluid entrance 30.It should be noted that, the quantity of outer fluid entrance 30, size, shape need technician to determine according to heat transfer effect, and the present invention is in this no limit.In addition, the direction that outer fluid sprays into coke oven coke oven uprising tube by outer fluid entrance 30 is also determined according to heat transfer effect by technician, in actual applications, outer fluid can horizontal direction spray into coke oven coke oven uprising tube inside spoiler 22 is done work; Outer fluid can also spray into coke oven coke oven uprising tube inside and do work to spoiler 22 with certain elevation angle; Outer fluid can also spray into coke oven coke oven uprising tube inside and do work to spoiler 22 with certain angle of depression; Which kind of form of concrete employing, can be determined according to heat transfer effect by technician, the present invention does not do concrete restriction at this.
Corresponding to coke oven coke oven uprising tube embodiment above, present invention also offers and a kind ofly apply the method that any one coke oven coke oven uprising tube above-mentioned carries out raw gas heat recuperation, can comprise:
Spray into outer fluid by outer fluid entrance 30 to coke oven coke oven uprising tube inside in the cycle of presetting, drive described spoiler 22 to rotate, to change the flow field of raw gas in coke oven coke oven uprising tube.
The said default cycle can be determined according to heat transfer effect by technician, and the present invention does not do concrete restriction at this.
Said outer fluid can be understood as gas or can change into the liquid of gas in coke oven coke oven uprising tube.This conversion process can be understood as outer fluid after spraying into upcast inside, in coke oven coke oven uprising tube high temperature effect under, outer fluid is converted into gas by forms such as evaporations.Specific form the present invention of said outer fluid does not limit at this, such as, raw gas or ammoniacal liquor can be adopted as outer fluid.
Owing to increasing hanging stick 21 free to rotate and be fixed at least one spoiler 22 on hanging stick 21 in coke oven coke oven uprising tube, and coke oven coke oven uprising tube sidewall is provided with outer fluid entrance 30, to make outer fluid spray into coke oven coke oven uprising tube inside by outer fluid entrance 30, and described hanging stick 21 and spoiler 22 is driven to rotate; Change the flow field of raw gas with this, add the Reynolds number of raw gas flowing, improve the heat exchange efficiency of raw gas in coke oven coke oven uprising tube, and then improve the recovery utilization rate of raw gas heat, enhance the Operating ettectiveness of coke oven.
In order to investigate the actual effect of technical scheme of the present invention, adopt coke oven coke oven uprising tube as shown in Figure 1 and coke oven coke oven uprising tube as shown in Figure 2 (compared with coke oven coke oven uprising tube as shown in Figure 1, only increase hanging stick anchor, hanging stick and be installed on 3 spoilers on hanging stick, and be provided with 6 outer fluid entrances, coke oven coke oven uprising tube shown in other parameter with Fig. 1 is identical) carry out the heat recuperation contrast experiment of raw gas, wherein, the height of coke oven coke oven uprising tube is 3 meters, and internal diameter is 0.5 meter.
Experimentation is as follows, the heat that the freezing air absorption raw gas that heat exchange layer between the inwall 10 and outer wall 11 of two coke oven coke oven uprising tubes leads to equivalent is respectively brought into, reduce the temperature of raw gas, operating time is the coking cycles of a coking chamber, by the temperature of raw gas outlet and entrance in thermocouple measurement upcast.Through Experimental Comparison, the raw gas gangway temperature difference in the coke oven coke oven uprising tube shown in Fig. 1 is about 100 DEG C, the device shown in Fig. 2, the raw gas gangway temperature difference nearly 160 DEG C, and heat exchange efficiency improves about 60%, and heat transfer effect increases obviously.
Visible, technical scheme of the present invention improves the heat exchange efficiency of raw gas in coke oven coke oven uprising tube really.
Each embodiment in this specification sheets all adopts relevant mode to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a coke oven coke oven uprising tube, comprises inner and outer wall, it is characterized in that, also comprises: hanging stick anchor, hanging stick and at least one spoiler be fixed on described hanging stick;
Described hanging stick anchor, is installed in coke oven coke oven uprising tube;
Described hanging stick is flexibly connected with described hanging stick anchor, to make described hanging stick overhang in coke oven coke oven uprising tube, and can rotate;
Described coke oven coke oven uprising tube sidewall is provided with at least one the outer fluid entrance running through described inner and outer wall, to make outer fluid spray into coke oven coke oven uprising tube inside by outer fluid entrance, and drives described hanging stick and spoiler to rotate.
2. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described hanging stick anchor is installed on coke oven coke oven uprising tube internal upper part.
3. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described hanging stick anchor is that hollow out is discoid, and described hanging stick is connected in disk by spoke-like interconnecting piece.
4. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described spoiler and coke oven coke oven uprising tube inwall leave predeterminable range.
5. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described hanging stick is positioned on the axis of described coke oven coke oven uprising tube.
6. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described spoiler is along the axial distribution of hanging stick.
7. as the coke oven coke oven uprising tube in claim 1-6 as described in any one claim, it is characterized in that, described spoiler comprises at least one in blade and traverse baffle.
8. application rights requires that the coke oven coke oven uprising tube in 1-7 described in any one carries out a method for raw gas heat recuperation, it is characterized in that, comprising:
Spray into outer fluid by outer fluid entrance to coke oven coke oven uprising tube inside in the cycle of presetting, drive described hanging stick and spoiler to rotate, to change the flow field of raw gas in coke oven coke oven uprising tube.
9. method as claimed in claim 8, it is characterized in that, described outer fluid can be gas or the liquid that can change into gas in coke oven coke oven uprising tube.
10. method as claimed in claim 9, it is characterized in that, described outer fluid is raw gas or ammoniacal liquor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391848.6A CN105018113B (en) | 2015-07-06 | 2015-07-06 | A kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application |
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| CN201510391848.6A CN105018113B (en) | 2015-07-06 | 2015-07-06 | A kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application |
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| CN105018113A true CN105018113A (en) | 2015-11-04 |
| CN105018113B CN105018113B (en) | 2017-10-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107216887A (en) * | 2017-06-26 | 2017-09-29 | 中冶华天工程技术有限公司 | Raw coke over gas riser heat exchanger |
| CN108277024A (en) * | 2017-01-05 | 2018-07-13 | 葛霖 | A kind of online coke cleaning apparatus of tedge and its coke cleaning and intensified heat transfer method |
| CN114353557A (en) * | 2022-01-10 | 2022-04-15 | 江苏道和环保科技有限公司 | Coke oven raw gas waste heat recovery device |
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| CN103509564A (en) * | 2012-06-19 | 2014-01-15 | 北京华泰焦化工程技术有限公司 | Heat-exchange type ascending tube and coke oven |
| KR101421805B1 (en) * | 2012-09-28 | 2014-07-22 | 주식회사 포스코 | Formation apparatus of refractory for coke oven ascension pipe |
| CN204779464U (en) * | 2015-07-06 | 2015-11-18 | 北京华泰焦化工程技术有限公司 | Coke oven tedge |
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| CN103509564A (en) * | 2012-06-19 | 2014-01-15 | 北京华泰焦化工程技术有限公司 | Heat-exchange type ascending tube and coke oven |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277024A (en) * | 2017-01-05 | 2018-07-13 | 葛霖 | A kind of online coke cleaning apparatus of tedge and its coke cleaning and intensified heat transfer method |
| CN107216887A (en) * | 2017-06-26 | 2017-09-29 | 中冶华天工程技术有限公司 | Raw coke over gas riser heat exchanger |
| CN114353557A (en) * | 2022-01-10 | 2022-04-15 | 江苏道和环保科技有限公司 | Coke oven raw gas waste heat recovery device |
| CN114353557B (en) * | 2022-01-10 | 2023-11-03 | 江苏道和环保科技有限公司 | Raw coke oven gas waste heat recovery device |
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| CN105018113B (en) | 2017-10-17 |
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Address after: 100176 Fifth Floor 501, Building 15, No. 2, No. 31 Courtyard, Kechuang Thirteenth Street, Daxing Economic and Technological Development Zone, Beijing Patentee after: HUATAI YONGCHUANG (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 101318 14-C, Hui Hui Garden, B zone, Shunyi District airport industry, Beijing Patentee before: BEIJING HUATAI COKING ENGINEERING CONSULTING Corp. |