CN105018113B - A kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application - Google Patents
A kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application Download PDFInfo
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- CN105018113B CN105018113B CN201510391848.6A CN201510391848A CN105018113B CN 105018113 B CN105018113 B CN 105018113B CN 201510391848 A CN201510391848 A CN 201510391848A CN 105018113 B CN105018113 B CN 105018113B
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Abstract
The embodiment of the invention discloses a kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application, wherein, the coke oven coke oven uprising tube includes inner and outer wall, in addition to：Hanging stick fixed mount, hanging stick and at least one spoiler being fixed on the hanging stick；The hanging stick fixed mount, is installed in coke oven coke oven uprising tube；The hanging stick is flexibly connected with the hanging stick fixed mount, so that the hanging stick is overhang in coke oven coke oven uprising tube, and can be rotated；Coke oven coke oven uprising tube side wall is provided through at least one outer fluid entrance of the inner and outer wall, so that outer fluid is sprayed into inside coke oven coke oven uprising tube by outer fluid entrance, and drives the hanging stick and spoiler to rotate.As seen from the above technical solutions, technical scheme can change the flow field of raw coke oven gas, add the Reynolds number of raw coke oven gas flowing, improve the heat exchange efficiency of raw coke oven gas in tedge, and then the recovery utilization rate of raw coke oven gas heat is improved, enhance the Operating ettectiveness of coke oven.
Description
Technical field
The present invention relates to coking process waste heat recovery field, more particularly to a kind of coke oven coke oven uprising tube and the waste coal of its recovery of application
The method of gas heat.
Background technology
Coke-oven plant is in process of coking, and the raw gas temperature escaped from carbonization chamber through tedge is about 650 DEG C -750 DEG C, its
The heat taken out of accounts for 36% or so of coke oven output total amount of heat, and generally, coke-oven plant can be reclaimed to this partial heat
Recycle, to realize resources conservation, environment-friendly purpose.
Now, the raw coke oven gas heat recovery mode that coke-oven plant is typically used is between the inner and outer wall of coke oven coke oven uprising tube
Heat transferring medium is passed through, heat exchange layer is formed；It is situated between as shown in figure 1, being passed through heat exchange between the inwall 10 and outer wall 11 of coke oven coke oven uprising tube
Matter, heat transferring medium from heat transferring medium entrance 12 entrance after, with enters from coke oven coke oven uprising tube bottom raw coke oven gas progress heat exchange, and
From heat transferring medium outlet 13 discharge, raw coke oven gas from the top of coke oven coke oven uprising tube raw coke oven gas outlet 14 discharge, by heat exchange so as to
Heat in raw coke oven gas is reclaimed.But in practical application, due to the raw coke oven gas close to coke oven coke oven uprising tube core with
Heat transferring medium progress heat exchange is slow, has not enough time to fully carry out heat exchange toward contact, is just escaped from coke oven coke oven uprising tube,
So this heat recovery mode heat exchange efficiency is relatively low, the limited in one's ability of heat is reclaimed.
The content of the invention
The embodiment of the invention discloses a kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application, to improve Jiao
The heat exchange efficiency of raw coke oven gas in stove tedge, and then improve the recovery utilization rate of raw coke oven gas heat.Technical scheme is as follows：
Present invention firstly provides a kind of coke oven coke oven uprising tube, including inner and outer wall, in addition to：Hanging stick fixed mount, hanging stick
And at least one spoiler being fixed on the hanging stick；
The hanging stick fixed mount, is installed in coke oven coke oven uprising tube；
The hanging stick is flexibly connected with the hanging stick fixed mount, so that the hanging stick is overhang in coke oven coke oven uprising tube, and energy
Enough rotations；
Coke oven coke oven uprising tube side wall is provided through at least one outer fluid entrance of the inner and outer wall, so that outside
Fluid is sprayed into inside coke oven coke oven uprising tube by outer fluid entrance, and drives the hanging stick and spoiler to rotate.
In a kind of preferred embodiment of invention, the hanging stick fixed mount is installed on coke oven coke oven uprising tube internal upper part.
In a kind of preferred embodiment of invention, the hanging stick fixed mount is that hollow out is discoid, and the hanging stick passes through spoke
Strip connection member is connected in disk.
In a kind of preferred embodiment of invention, the spoiler leaves pre-determined distance with coke oven coke oven uprising tube inwall.
In a kind of preferred embodiment of invention, the hanging stick is located on the axis of the coke oven coke oven uprising tube.
In a kind of preferred embodiment of invention, axial direction distribution of the spoiler along hanging stick.
In a kind of preferred embodiment of invention, the spoiler includes at least one of blade and deflection plate.
Present invention also offers a kind of method for applying above-mentioned coke oven coke oven uprising tube to carry out raw coke oven gas heat recovery, including：
In the default cycle by outer fluid entrance to outer fluid is sprayed into inside coke oven coke oven uprising tube, drive the hanging stick and disturb
Flow rotates, to change the flow field of raw coke oven gas in coke oven coke oven uprising tube.
Wherein, the outer fluid can be gas or the liquid of gas can be changed into coke oven coke oven uprising tube.
The outer fluid is preferably raw coke oven gas or ammoniacal liquor.
As seen from the above technical solutions, the present invention in coke oven coke oven uprising tube by increasing hanging stick free to rotate and solid
Outer fluid entrance is provided with due at least one spoiler on hanging stick, and in coke oven coke oven uprising tube side wall, so that outer fluid passes through
Outer fluid entrance is sprayed into inside coke oven coke oven uprising tube, and drives the hanging stick and spoiler to rotate；Change the flow field of raw coke oven gas with this,
The Reynolds number of raw coke oven gas flowing is added, the heat exchange efficiency of raw coke oven gas in tedge is improved, and then improve raw coke oven gas heat
Recovery utilization rate, enhance the Operating ettectiveness of coke oven.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of coke oven coke oven uprising tube structural representation in the prior art；
Fig. 2 is a kind of coke oven coke oven uprising tube structural representation provided in an embodiment of the present invention；
Fig. 3 is a kind of spiral shape spoiler structural representation provided in an embodiment of the present invention；
Fig. 4 is a kind of three leaves rotary propeller type spoiler structural representation provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 2 is a kind of coke oven coke oven uprising tube provided in an embodiment of the present invention, including inwall 10 and outer wall 11, in addition to：Hanging stick
Fixed mount 20, hanging stick 21 and at least one spoiler 22 being fixed on the hanging stick；
The hanging stick fixed mount 20, is installed in coke oven coke oven uprising tube；
The hanging stick 21 is flexibly connected with the hanging stick fixed mount 20, so that the hanging stick 21 overhangs coke oven coke oven uprising tube
It is interior, and can rotate；
Coke oven coke oven uprising tube side wall is provided through at least one outer fluid entrance 30 of the inwall 10 and outer wall 11,
So that outer fluid is sprayed into inside coke oven coke oven uprising tube by outer fluid entrance 30, and the hanging stick 21 and spoiler 22 is driven to rotate.
In actual applications, heat exchange layer can be formed between inwall 10 and outer wall 11, and is passed through heat transferring medium, such as heat conduction
Oil, cooling water, air etc., heat transferring medium is after the entrance of heat transferring medium entrance 12, with the waste coal entered from coke oven coke oven uprising tube bottom
Gas carries out heat exchange, and is discharged from heat transferring medium outlet 13, and raw coke oven gas is discharged from the raw coke oven gas outlet 14 at the top of coke oven coke oven uprising tube,
So as to realize the purpose of raw coke oven gas heat recovery.
It should be noted that Fig. 2 is a kind of structural representation of coke oven coke oven uprising tube, although occur in that multiple disturb in Fig. 2
Flow 22 and multiple outer fluid entrances 30, it is not intended that there is the spoiler 22 of respective numbers in technical scheme
With the outer fluid entrance 30 of respective numbers, Fig. 2 can only represent that there is spoiler 22 and outer fluid in technical scheme enters
The spoiler 22 and the particular number of outer fluid entrance 30 shown in mouth 30, figure can not turn into the limit to technical solution of the present invention
It is fixed.
The hanging stick 21 free to rotate by increasing in coke oven coke oven uprising tube of the embodiment of the present invention and it is fixed on hanging stick 21
At least one spoiler 22, and coke oven coke oven uprising tube side wall is provided with outer fluid entrance 30, so that outer fluid passes through outer fluid
Entrance 30 is sprayed into inside coke oven coke oven uprising tube, and drives the hanging stick 21 and spoiler 22 to rotate；Change the flow field of raw coke oven gas with this,
The Reynolds number of raw coke oven gas flowing is added, the heat exchange efficiency of raw coke oven gas in coke oven coke oven uprising tube is improved, and then improve raw coke oven gas
The recovery utilization rate of heat, enhances the Operating ettectiveness of coke oven.
Described hanging stick 21 is flexibly connected with the hanging stick fixed mount 20, it can be understood as hanging stick fixed mount 20 can make to hang
Bar 21 is constant relative to the relative position of coke oven coke oven uprising tube, while enabling hanging stick 21 to rotate freely again.In actual applications,
Hanging stick 21 can be connected to hanging stick fixed mount 20 by the way of bearing connection.
Position of the hanging stick fixed mount 20 in coke oven coke oven uprising tube be can by technical staff according to production be actually needed come
Determine, the present invention is not especially limited herein.For example, hanging stick fixed mount 20 can be installed on coke oven coke oven uprising tube internal upper part, this
Sample can preferably prevent hanging stick 21 and spoiler 22 from rocking.The concrete form of hanging stick fixed mount 20 can be by technical staff be Lai really
It is fixed, not influence the operation of coke oven coke oven uprising tube, it is ensured that top manhole cover can normally be opened and is advisable.For example, hanging stick fixed mount can
To be designed to that hollow out is discoid, hanging stick is connected in the disk by spoke-like connection member.
In addition, described hanging stick fixed mount 20 can be designed to that relative coke oven coke oven uprising tube is dismountable, so needing
In the case of, hanging stick fixed mount 20 can be separated together with hanging stick 21 and spoiler 22 from coke oven coke oven uprising tube, be examined
Repair or other operations.
In actual applications, the base for accepting hanging stick fixed mount 20 can be provided with coke oven coke oven uprising tube.Base it is specific
Form can be determined by technical staff, better simply, can be in coke oven coke oven uprising tube according to the specific shape of hanging stick fixed mount 20
Formula is provided with the protrusion member of horizontal direction, and hanging stick fixed mount 20 is laid reaches fixed purpose thereon.
The effect of hanging stick 21 is load spoiler 22, in actual applications, and hanging stick 21 can be located at the coke oven and rise
On the axis of pipe.Its one end is relatively fixed by hanging stick fixed mount 20 and coke oven coke oven uprising tube, and the other end overhangs coke oven coke oven uprising tube
It is interior.
One of the present invention is it is critical that spoiler 22, by the rotation of spoiler 22, causes in coke oven coke oven uprising tube
The disturbance of raw coke oven gas, so as to change the flow field of raw coke oven gas.Therefore, it is any can cause under rotation situation gas disturb part all
It is that can be used to realize technical scheme as spoiler 22.In view of the actual conditions of coke-oven plant, spoiler 22 can
To use at least one of blade and deflection plate.Described blade or deflection plate is part commonly used in the art, the present invention
Therefore not to repeat here, but it should be recognized that the shape of blade or deflection plate can be determined by technical staff, the present invention is herein
It is not especially limited.In actual applications, spoiler 22 can be at an angle with hanging stick 21, to facilitate the outer fluid of penetrating
Spoiler 22 is done work, drives it to rotate to be principle.More preferable perturbation action can be played to raw coke oven gas simultaneously.Specifically, can be with
Using three leaf rotary propeller type spoilers shown in spiral shape spoiler as shown in Figure 3 and Fig. 4.
It should be noted that the parameter such as the quantity of spoiler 22, size can by technical staff according to heat transfer effect come
It is determined that.
In actual applications, spoiler 22 leaves pre-determined distance with coke oven coke oven uprising tube inwall 10, so not only improves hanging stick
21 and the installation of spoiler 22, be conducive to the disturbance of raw coke oven gas again.It is understood that described pre-determined distance can be with coke oven
The related technological parameter of the size and coke oven coke oven uprising tube of riser is relevant.Therefore, spoiler 22 and coke oven coke oven uprising tube inwall 10 it
Between distance preferred values can be determined according to the data analysis of practical experience or correlation by technical staff, the present invention is herein not
Make specific limit.
In addition, spoiler 22 can be fixed by welding with hanging stick 21, and it is distributed, both can equidistantly divides along the axial direction of hanging stick
Cloth, can also non-equidistantly distributed, be also by technical staff determines according to heat transfer effect specifically using which kind of form.Needing
Will in the case of, 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 can be with
Distribution upwards, can be uniformly distributed since the lower end of coke oven coke oven uprising tube, can also non-uniform Distribution.So, when raw coke oven gas enters
Enter after tedge, it is possible to which it is disturbed so that heat transfer effect is more preferably.
Another of the present invention is it is critical that coke oven coke oven uprising tube side wall is provided through the inner and outer wall extremely
A few outer fluid entrance 30, so that outer fluid is sprayed into inside coke oven coke oven uprising tube by outer fluid entrance, does work to spoiler 22,
Driving hanging stick 21 and spoiler 22 rotate.
In actual applications, outer fluid entrance 30 can be connected with outer fluid feed-line, and under pressure, be made
Outer fluid is sprayed into inside coke oven coke oven uprising tube from outer fluid entrance 30.It should be noted that the quantity of outer fluid entrance 30, size,
Shape needs technical staff according to heat transfer effect to determine, the present invention is not limited thereto.In addition, outer fluid passes through outflow
The direction that body entrance 30 sprays into coke oven coke oven uprising tube is also by technical staff determines according to heat transfer effect, in actual applications, outside
Fluid can be sprayed into horizontal direction and spoiler 22 is done work inside coke oven coke oven uprising tube；Outer fluid can also be sprayed into certain elevation angle
Spoiler 22 is done work inside coke oven coke oven uprising tube；Outer fluid can also be sprayed into inside coke oven coke oven uprising tube to flow-disturbing with certain angle of depression
Piece 22 does work；Which kind of form is specifically used, can be determined by technical staff according to heat transfer effect, the present invention does not make specific herein
Limit.
Corresponding to coke oven coke oven uprising tube embodiment above, present invention also offers on any one above-mentioned coke oven of one kind application
The method that riser carries out raw coke oven gas heat recovery, can include：
The spoiler is driven to outer fluid is sprayed into inside coke oven coke oven uprising tube by outer fluid entrance 30 in the default cycle
22 rotations, to change the flow field of raw coke oven gas in coke oven coke oven uprising tube.
The described default cycle can be determined that the present invention does not make specific limit herein by technical staff according to heat transfer effect
It is fixed.
Described outer fluid can be understood as gas or the liquid of gas can be changed into coke oven coke oven uprising tube.The conversion
Process can be understood as outer fluid after tedge inside is sprayed into, and in the presence of coke oven coke oven uprising tube high temperature, outer fluid passes through
The forms such as evaporation are converted into gas.The concrete form of described outer fluid is of the invention herein without limiting, it is for instance possible to use
Raw coke oven gas or ammoniacal liquor are used as outer fluid.
Due to increasing in coke oven coke oven uprising tube hanging stick 21 free to rotate and be fixed on hanging stick 21 at least one disturb
Flow 22, and coke oven coke oven uprising tube side wall is provided with outer fluid entrance 30, so that outer fluid sprays into Jiao by outer fluid entrance 30
Inside stove tedge, and the hanging stick 21 and spoiler 22 is driven to rotate；Change the flow field of raw coke oven gas with this, add raw coke oven gas
The Reynolds number of flowing, improves the heat exchange efficiency of raw coke oven gas in coke oven coke oven uprising tube, and then improves the recovery profit of raw coke oven gas heat
With rate, the Operating ettectiveness of coke oven is enhanced.
In order to investigate the actual effect of technical scheme, using coke oven coke oven uprising tube as shown in Figure 1 and such as Fig. 2 institutes
The coke oven coke oven uprising tube shown (compared with coke oven coke oven uprising tube as shown in Figure 1, only increases hanging stick fixed mount, hanging stick and is installed on
3 spoilers on hanging stick, and 6 outer fluid entrances are provided with, other parameters are identical with the coke oven coke oven uprising tube shown in Fig. 1) enter
The heat recovery contrast experiment of row raw coke oven 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, and the heat exchange layer between the inwall 10 and outer wall 11 of two coke oven coke oven uprising tubes leads to equivalent respectively
Cold air absorbs the heat that raw coke oven gas is brought into, reduces the temperature of raw coke oven gas, the operating time is the coking cycles of a carbonization chamber,
Pass through the temperature of raw coke oven gas outlet and entrance in thermocouple measurement tedge.By Experimental Comparison, the coke oven coke oven uprising tube shown in Fig. 1
In the raw coke oven gas gateway temperature difference be about 100 DEG C, the device shown in Fig. 2, nearly 160 DEG C of the raw coke oven gas gateway temperature difference, heat exchange effect
Rate improves about 60%, and heat transfer effect increase is obvious.
It can be seen that, technical scheme improves the heat exchange efficiency of raw coke oven gas in coke oven coke oven uprising tube really.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (9)
1. a kind of coke oven coke oven uprising tube, including inner and outer wall, it is characterised in that also include：Hanging stick fixed mount, hanging stick and it is fixed on
At least one spoiler on the hanging stick；
The hanging stick fixed mount, is installed in coke oven coke oven uprising tube；
The hanging stick is flexibly connected with the hanging stick fixed mount, so that the hanging stick is overhang in coke oven coke oven uprising tube, and can be revolved
Turn；
Coke oven coke oven uprising tube side wall is provided through at least one outer fluid entrance of the inner and outer wall, so that outer fluid
Sprayed into by outer fluid entrance inside coke oven coke oven uprising tube, and drive the hanging stick and spoiler to rotate, the outer fluid is waste coal
Gas or ammoniacal liquor.
2. coke oven coke oven uprising tube as claimed in claim 1, it is characterised in that the hanging stick fixed mount is installed in coke oven coke oven uprising tube
Top.
3. coke oven coke oven uprising tube as claimed in claim 1, it is characterised in that the hanging stick fixed mount is that hollow out is discoid, described
Hanging stick is connected in disk by spoke-like connection member.
4. coke oven coke oven uprising tube as claimed in claim 1, it is characterised in that the spoiler leaves pre- with coke oven coke oven uprising tube inwall
If distance.
5. coke oven coke oven uprising tube as claimed in claim 1, it is characterised in that the hanging stick is located at the axis of the coke oven coke oven uprising tube
On.
6. coke oven coke oven uprising tube as claimed in claim 1, it is characterised in that axial direction distribution of the spoiler along hanging stick.
7. the coke oven coke oven uprising tube as described in any one claim in claim 1-6, it is characterised in that the spoiler bag
Include at least one of blade and deflection plate.
8. the method that the coke oven coke oven uprising tube in a kind of application claim 1-7 described in any one carries out raw coke oven gas heat recovery,
It is characterised in that it includes：
The hanging stick and spoiler are driven to outer fluid is sprayed into inside coke oven coke oven uprising tube by outer fluid entrance in the default cycle
Rotation, to change the flow field of raw coke oven gas in coke oven coke oven uprising tube.
9. method as claimed in claim 8, it is characterised in that the outer fluid is raw coke oven gas or ammoniacal liquor.
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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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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107216887B (en) * | 2017-06-26 | 2023-08-04 | 中冶华天工程技术有限公司 | Coke oven raw gas rising pipe heat exchanger |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101421805B1 (en) * | 2012-09-28 | 2014-07-22 | 주식회사 포스코 | Formation apparatus of refractory for coke oven ascension pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103509564B (en) * | 2012-06-19 | 2016-01-13 | 北京华泰焦化工程技术有限公司 | A kind of heat exchange type ascending tube and coke oven |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101421805B1 (en) * | 2012-09-28 | 2014-07-22 | 주식회사 포스코 | Formation apparatus of refractory for coke oven ascension pipe |
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