CN208562267U - A kind of raw coke oven gas step recycling coal tar oil system - Google Patents
A kind of raw coke oven gas step recycling coal tar oil system Download PDFInfo
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- CN208562267U CN208562267U CN201821174135.XU CN201821174135U CN208562267U CN 208562267 U CN208562267 U CN 208562267U CN 201821174135 U CN201821174135 U CN 201821174135U CN 208562267 U CN208562267 U CN 208562267U
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- heat exchanger
- coke oven
- oven gas
- raw coke
- coal tar
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Abstract
The utility model discloses a kind of raw coke oven gas step recycling coal tar oil system, including bracket and multiple heat exchangers, heat exchanger includes First Heat Exchanger, second heat exchanger, third heat exchanger and the 4th heat exchanger, and exchanger base offers tar outlet, first, second, third and fourth heat exchanger is successively spaced setting, it is connected to above First Heat Exchanger with the second heat exchanger top, it is connected to below second heat exchanger with above third heat exchanger, it is connected to below third heat exchanger with the 4th heat exchanger top, the utility model solves stepless technical problem when coal tar recovering in the prior art.
Description
Technical field
The utility model relates to technical field of coal chemical industry more particularly to a kind of raw coke oven gas step to recycle coal tar oil system.
Background technique
In coal chemical industry, the oil-poor status in China can be made up by preparing coal tar using lignite low temperature pyrogenation.Currently, lignite
It is to be pyrolyzed in internal heat type vertical retort, coal tar is by heat exchanger come condensing recovery, then to the coal of acquisition
Tar is collected, and coal tar is finally obtained；Existing collection mode is all uniformly to recycle, and the coal tar oil quality recycled in this way is different
It causes, is not easy to recycle.
Grant number are as follows: the utility model of 203266024 U of CN discloses a kind of device for extracting coal tar, including solidification
Room and the bend pipe being arranged in solidification room further include the ether bottle and dry ice chest being connected respectively by pipeline with solidification room；It is curved
Pipe one end is connected with raw coke oven gas air supply tube, and the other end is connected with exhaust pipe, and bend pipe is located at the outdoor bottom of solidification and is additionally provided with coal tar
Oily accumulator tank.The device, which mixes using dry ice to can reach close to one 77 DEG C of cold environment with ether, solidifies the coal tar in raw coke oven gas
Oil, so that it becomes the solid particle of coal tar, the solid particle of these coal tar slides along bend pipe into coal under the effect of gravity
In tar accumulator tank, remaining raw coke oven gas is flowed out from the exhaust pipe above bend pipe；The patent or entirety are recycled, can not
Accomplish classification recycling.
Utility model content
The purpose of the utility model is to provide a kind of raw coke oven gas steps to recycle coal tar oil system, solves coal in the prior art
Tar stepless technical problem when recycling.
A kind of raw coke oven gas step recycling coal tar oil system, including bracket and multiple heat exchangers, the heat exchanger include first
Heat exchanger, the second heat exchanger, third heat exchanger and the 4th heat exchanger, and exchanger base offers tar outlet, described
One, second, third and the 4th heat exchanger are successively spaced setting, are connected to above the First Heat Exchanger with the second heat exchanger top,
It is connected to below second heat exchanger with above third heat exchanger, connects below the third heat exchanger with the 4th heat exchanger top
It is logical.
Based on the above technical solution, the utility model can also do following improvement:
Further, the diameter of the First Heat Exchanger be greater than the second heat exchanger diameter, it is described second, third and the 4th
The diameter of heat exchange is all the same, and the beneficial effect using this step is to realize that the classification of coal tar is returned using various sizes of heat exchanger
It receives.
Further, the height of the First Heat Exchanger is greater than the height of the second heat exchanger, the height of the third heat exchanger
Degree is greater than the height of the second heat exchanger, and the height of third heat exchanger is consistent with the height of the 4th heat exchanger, using having for this step
Beneficial effect is that the classification recycling of coal tar is realized by various sizes of heat exchanger.
Further, the tar outlet of second, third and the 4th exchanger base is in same horizontal line, and described the
The tar outlet of two exchanger bases is higher than the tar outlet of First Heat Exchanger bottom, is easy for coke using the beneficial effect of this step
The collection of oil.
Further, the First Heat Exchanger bottom is provided with raw coke oven gas import, and the 4th exchanger base is provided with
Raw coke oven gas outlet, the beneficial effect using this step be realize flue gas under into it is lower go out, raising collection efficiency.
The utility model has the beneficial effects that
The utility model provides a kind of raw coke oven gas step recycling coal tar oil system, can be realized coal tar by multiple heat exchangers
The recycling of oil, while the size between heat exchanging device is limited, and is collected so as to complete the staged of coal tar；This is practical
New structure is simple, easy to operate, and collecting effect is good.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural representation of raw coke oven gas step recycling coal tar oil system described in the utility model specific embodiment
Figure；
Fig. 2 is a kind of top view of raw coke oven gas step recycling coal tar oil system described in the utility model specific embodiment；
Appended drawing reference:
1- bracket；2- heat exchanger；3- tar outlet；4- raw coke oven gas import；The outlet of 5- raw coke oven gas；
201- First Heat Exchanger；The second heat exchanger of 202-；203- third heat exchanger；The 4th heat exchanger of 204-.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", "upper", "lower", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom" "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figure 1, 2, a kind of raw coke oven gas step provided by the utility model recycles coal tar oil system, including bracket 1
With multiple heat exchangers 2, the heat exchanger 2 includes First Heat Exchanger 201, the second heat exchanger 202, third heat exchanger 203 and the 4th
Heat exchanger 204, and 2 bottom of heat exchanger offers tar outlet 3, the First Heat Exchanger 201, the second heat exchanger 202, third
Heat exchanger 203 and the 4th heat exchanger 204 are successively spaced setting, 201 top of First Heat Exchanger and 202 top of the second heat exchanger
Connection, second heat exchanger, 202 lower section be connected to above third heat exchanger 203,203 lower section of third heat exchanger and the 4th
It is connected to above heat exchanger 204；The utility model is that raw gas temperature is cooled down using heat exchanger, corresponding different temperature collection
Oil quality is different, and classification recycling is exactly for preferably oil recovery；
The raw coke oven gas import of First Heat Exchanger is connected in lower section, top and the second heat exchanger by bend pipe in the utility model
Lead to, then the outlet of the second exchanger base and the inlet communication above third heat exchanger, and so on, guarantee raw coke oven gas most
Big travelling route, sufficiently cools down raw coke oven gas with this, while the utility model offers tar below each heat exchanger
Outlet, is conducive to collect in this way.
Wherein, the diameter of the First Heat Exchanger 201 is greater than the diameter of the second heat exchanger 202, it is described second, third and the
The diameter of four heat exchange is all the same, and the height of the First Heat Exchanger 201 is greater than the height of the second heat exchanger 202, and the third is changed
The height of hot device 203 is greater than the height of the second heat exchanger 202, and the height of the height of third 203 devices of heat exchange and the 4th heat exchanger 204
Degree is consistent；The size of the utility model heat exchanging device is limited, so that various sizes of heat transfer space is provided, such raw coke oven gas
The temperature reduced inside heat exchanger is different, and the oil quality of temperature collections different in this way is different, can be classified to coal tar
It collects.
Wherein, second heat exchanger 202,204 bottom of third heat exchanger 203 and the 4th heat exchanger tar outlet 3 at
In same horizontal line, the tar outlet 3 of 202 bottom of the second heat exchanger is higher than the tar outlet of 201 bottom of First Heat Exchanger
3, the collecting tank of different height can be placed in this way, be conducive to the collection of tar.
Wherein, 201 bottom of First Heat Exchanger is provided with raw coke oven gas import 4,204 bottom of the 4th heat exchanger setting
Have raw coke oven gas export 5, realize under flue gas into it is lower go out, improve collection efficiency.
When the utility model is used, 600 DEG C of the temperature of raw coke oven gas import 4；The flue gas exit temperature of First Heat Exchanger 201
It is 320 DEG C；The smoke inlet temperature of second heat exchanger is 320 DEG C, and flue gas exit temperature is 200 DEG C；The flue gas of third heat exchanger
Inlet temperature is 200 DEG C, and flue gas exit temperature is 97 DEG C；4th heat exchanger smoke inlet temperature is 97 DEG C, flue gas exit temperature
It is 60 DEG C, the temperature that raw coke oven gas reduces in each heat exchanger is inconsistent, and different temperature corresponds to the coal tar of different qualities, with this
Complete the classification recycling of coal tar.
In the specification of the utility model, numerous specific details are set forth.It is to be appreciated, however, that the reality of the utility model
Applying example can practice without these specific details.In some instances, well known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this specification.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (5)
1. a kind of raw coke oven gas step recycles coal tar oil system, which is characterized in that including bracket and multiple heat exchangers, the heat exchanger
Including First Heat Exchanger, the second heat exchanger, third heat exchanger and the 4th heat exchanger, and exchanger base offers tar and goes out
Mouthful, first, second, third and fourth heat exchanger is successively spaced setting, the First Heat Exchanger top and the second heat exchanger
Top connection, the second heat exchanger lower section and third heat exchanger top are connected to, the third heat exchanger lower section and the 4th heat exchange
Connection above device.
2. a kind of raw coke oven gas step according to claim 1 recycles coal tar oil system, which is characterized in that first heat exchange
The diameter of device is greater than the diameter of the second heat exchanger, and the diameter that second, third exchanges heat with the 4th is all the same.
3. a kind of raw coke oven gas step according to claim 2 recycles coal tar oil system, which is characterized in that first heat exchange
The height of device is greater than the height of the second heat exchanger, and the height of the third heat exchanger is greater than the height of the second heat exchanger, and third
The height of heat exchanger is consistent with the height of the 4th heat exchanger.
4. a kind of raw coke oven gas step according to claim 3 recycles coal tar oil system, which is characterized in that described second, the
The tar outlet of three and the 4th exchanger base is in same horizontal line, and the tar outlet of second exchanger base is higher than the
The tar outlet of one exchanger base.
5. a kind of raw coke oven gas step according to claim 4 recycles coal tar oil system, which is characterized in that first heat exchange
Device bottom is provided with raw coke oven gas import, and the 4th exchanger base is provided with raw coke oven gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174135.XU CN208562267U (en) | 2018-07-23 | 2018-07-23 | A kind of raw coke oven gas step recycling coal tar oil system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174135.XU CN208562267U (en) | 2018-07-23 | 2018-07-23 | A kind of raw coke oven gas step recycling coal tar oil system |
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| CN208562267U true CN208562267U (en) | 2019-03-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164009A (en) * | 2021-12-06 | 2022-03-11 | 江苏中天能源设备有限公司 | Coke oven riser waste heat recovery device and control method thereof |
-
2018
- 2018-07-23 CN CN201821174135.XU patent/CN208562267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164009A (en) * | 2021-12-06 | 2022-03-11 | 江苏中天能源设备有限公司 | Coke oven riser waste heat recovery device and control method thereof |
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