CN204958800U - Coke oven tedge - Google Patents
Coke oven tedge Download PDFInfo
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- CN204958800U CN204958800U CN201520480168.7U CN201520480168U CN204958800U CN 204958800 U CN204958800 U CN 204958800U CN 201520480168 U CN201520480168 U CN 201520480168U CN 204958800 U CN204958800 U CN 204958800U
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- coke oven
- outer fluid
- uprising tube
- raw gas
- tedge
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Abstract
The embodiment of the utility model discloses coke oven tedge, the coke oven tedge lateral wall is provided with and runs through at least one outer fluid entry of inner wall and outer wall to make inside outer fluid spouts coke oven tedge through outer fluid entry, change the flow field of raw coke oven gas among the coke oven tedge, by foretell technical scheme it is thus clear that, the utility model discloses a fluid entry outside the coke oven tedge lateral wall is provided with at least one to make inside outer fluid spouts coke oven tedge through outer fluid entry, change the flow field of raw coke oven gas, increased the reynolds number of raw coke oven gas flow, improved the heat exchange efficiency of raw coke oven gas in the tedge, and then improved the thermal recycle of raw coke oven gas and rate, strengthened the operation efficiency of coke oven.
Description
Technical field
The utility model relates to coking process waste heat recovery field, particularly a kind of coke oven coke oven uprising tube.
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 utility model embodiment discloses a kind of coke oven coke oven uprising tube, to improve the heat exchange efficiency of raw gas in coke oven coke oven uprising tube, and then improves the recovery utilization rate of raw gas heat.Technical scheme is as follows:
A kind of coke oven coke oven uprising tube, comprise inner and outer wall, 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, changes the flow field of raw gas in coke oven coke oven uprising tube.
Wherein, described outer fluid sprays into coke oven coke oven uprising tube inside by outer fluid entrance, is specially: outer fluid sprays into coke oven coke oven uprising tube inside by outer fluid entrance with the angle of depression of presetting.
Wherein, described outer fluid sprays into coke oven coke oven uprising tube inside by outer fluid entrance, is specially: outer fluid sprays into coke oven coke oven uprising tube inside by outer fluid entrance with the elevation angle of presetting.
Wherein, described outer fluid sprays into coke oven coke oven uprising tube inside by outer fluid entrance, is specially: outer fluid sprays into coke oven coke oven uprising tube inside by outer fluid entrance with horizontal direction.
Wherein, described outer fluid is 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 utility model is by being provided with at least one outer fluid entrance at coke oven coke oven uprising tube sidewall, coke oven coke oven uprising tube inside is sprayed into by outer fluid entrance to make outer fluid, change the flow field of raw gas, 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 utility model embodiment 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 embodiments more of the present utility model, 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 utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of coke oven coke oven uprising tube that Fig. 2 provides for the utility model embodiment, comprise inwall 10 and outer wall 11, coke oven coke oven uprising tube sidewall is provided with at least one the outer fluid entrance 20 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 20, change the flow field of raw gas in coke oven coke oven uprising tube.
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, the quantity of outer fluid entrance 20, size, shape need technician to determine according to heat transfer effect, and the utility model is in this no limit.In addition, the direction that outer fluid sprays into coke oven coke oven uprising tube by outer fluid entrance 20 is also determined according to heat transfer effect by technician, and such as, outer fluid can spray into coke oven coke oven uprising tube inside by outer fluid entrance 20 with the angle of depression of presetting; Also coke oven coke oven uprising tube inside can be sprayed into by outer fluid entrance 20 with the elevation angle of presetting; Coke oven coke oven uprising tube inside can also be sprayed into horizontal direction by outer fluid entrance 20;
In reality is answered, technician can select the one of outer fluid to spray into direction according to heat transfer effect, when being provided with multiple outer fluid entrance 20, can also select the above-mentioned part or all of combination respectively spraying into direction.
In like manner, the size at the said default elevation angle, the angle of depression, can be determined according to heat transfer effect by technician, the utility model does not do concrete restriction at this yet.In actual applications, outer fluid entrance 20 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 20.
It should be noted that, Fig. 2 is a kind of structural representation of coke oven coke oven uprising tube, although there is multiple outer fluid entrance 20 in Fig. 2, but do not represent the outer fluid entrance 20 that just there is respective numbers in the technical solution of the utility model, Fig. 2 can only represent in the technical solution of the utility model that the concrete quantity that there is the outer fluid entrance 20 shown in outer fluid entrance 20, figure can not become the restriction to technical solutions of the utility model.
Visible by the above embodiments, by being provided with outer fluid entrance 20 at coke oven coke oven uprising tube sidewall, coke oven coke oven uprising tube inside is sprayed into by outer fluid entrance 20 to make outer fluid, change the flow field of raw gas, 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 actual applications, outer fluid can be sprayed into by outer fluid entrance 20 to coke oven coke oven uprising tube inside, to change the flow field of raw gas in coke oven coke oven uprising tube in the cycle of presetting when adopting any one coke oven coke oven uprising tube above-mentioned to carry out raw gas heat.
The said default cycle can be determined according to heat transfer effect by technician, and the utility model 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 utility model of said outer fluid does not limit at this, such as, raw gas or ammoniacal liquor can be adopted as outer fluid.
Owing to being provided with outer fluid entrance 20 at coke oven coke oven uprising tube sidewall, coke oven coke oven uprising tube inside is sprayed into by outer fluid entrance 20 to make outer fluid, change the flow field of raw gas, 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 the technical solution of the utility model, 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, 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, and the raw gas gangway temperature difference can reach 130 DEG C, and heat exchange efficiency improves about 30%, and heat transfer effect increases obviously.
Visible, the technical solution of the utility model 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 utility model, be not intended to limit protection domain of the present utility model.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection domain of the present utility model.
Claims (4)
1. a coke oven coke oven uprising tube, comprises inner and outer wall, it is characterized in that:
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, heat exchange layer is formed between described inner and outer wall, and pass into heat transferring medium, after heat transferring medium enters from heat transferring medium entrance, heat exchange is carried out with the raw gas entered bottom coke oven coke oven uprising tube, and discharge from heat transferring medium outlet, raw gas is discharged from the raw gas outlet at coke oven coke oven uprising tube top.
2. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described outer fluid entrance is connected with outer fluid line of pipes.
3. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described coke oven coke oven uprising tube is provided with 6 outer fluid entrances.
4. coke oven coke oven uprising tube as claimed in claim 1, it is characterized in that, described outer fluid is raw gas or ammoniacal liquor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520480168.7U CN204958800U (en) | 2015-07-06 | 2015-07-06 | Coke oven tedge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520480168.7U CN204958800U (en) | 2015-07-06 | 2015-07-06 | Coke oven tedge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204958800U true CN204958800U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520480168.7U Active CN204958800U (en) | 2015-07-06 | 2015-07-06 | Coke oven tedge |
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| CN (1) | CN204958800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429989A (en) * | 2021-07-01 | 2021-09-24 | 中冶焦耐(大连)工程技术有限公司 | Method for preventing or reducing coking of inner wall of ascending pipe of coke oven |
-
2015
- 2015-07-06 CN CN201520480168.7U patent/CN204958800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429989A (en) * | 2021-07-01 | 2021-09-24 | 中冶焦耐(大连)工程技术有限公司 | Method for preventing or reducing coking of inner wall of ascending pipe of coke oven |
| CN113429989B (en) * | 2021-07-01 | 2024-01-26 | 中冶焦耐(大连)工程技术有限公司 | Method for preventing or reducing coking on inner wall of coke oven riser |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |