CN208054905U - A kind of modified coal tar pitch medial launder draw-out device that can improve service life - Google Patents
A kind of modified coal tar pitch medial launder draw-out device that can improve service life Download PDFInfo
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- CN208054905U CN208054905U CN201820310734.3U CN201820310734U CN208054905U CN 208054905 U CN208054905 U CN 208054905U CN 201820310734 U CN201820310734 U CN 201820310734U CN 208054905 U CN208054905 U CN 208054905U
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- vertical slot
- medial launder
- delivery pipe
- coal tar
- tar pitch
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Abstract
Vertical slot one and vertical slot two are connected in parallel to by delivery pipe two on a kind of modified coal tar pitch medial launder draw-out device that can improve service life, including medial launder, submerged pump, blister cooler, medial launder, delivery pipe one, the nitrogen gas control valve installed in nitrogen tube and steam pipe, steam control valve, nitrogen tube, its delivery pipe one after medial launder；Submerged pump has installation on vertical slot one and vertical slot two；The lower part of every submerged pump is connected with delivery pipe three, and delivery pipe three is connect with the delivery pipe one before blister cooler；It is respectively equipped with high temperature cut-off valve and regulating valve in the delivery pipe two being connect with vertical slot one and vertical slot two.The utility model can prevent submerged pump from occurring coking even the problem of blocking, improving unit operation rate, and simple in structure, and submerged pump only needs one to open one standby, can decrease or even eliminate security risk, extend the modified coal tar pitch production cycle.
Description
Technical field
The utility model is related to a kind of process units of pitch, particularly belong to a kind of medial launder extraction dress of modified coal tar pitch
It sets.
Background technology
Modified coal tar pitch is the higher product of a kind of added value produced in high temperature coal-tar deep-processing process.It is dripped with high temperature
Green difference lies in hard pitches only to be required to softening point, and modified coal tar pitch not only requires softening point, also to pitch group
The indexs such as point content, coking value have strict demand, to ensure the variety and quality of modified coal tar pitch.
The technique of domestic production modified coal tar pitch mostly uses greatly autoclave pyrocondensation polymerizing technology at present, even if asphalt stock is in reaction kettle
Interior heating occurs polycondensation reaction and is prepared.Its modified coal tar pitch technique is generally connected using 2 ~ 3 reaction kettles, and will be qualified
Modified coal tar pitch enters the asphalt high-level tank of feeding asphalt moulding unit after medial launder, then the cooling of modified pitch blister cooler.
Before the utility model, modified coal tar pitch medial launder draw-out device：On modified coal tar pitch medial launder there are four installations
Modified coal tar pitch extract submerged pump, and using two open two it is standby by the way of tissue production.In actual production, often due to modified coal tar pitch
In medial launder, there are coking phenomenons and thermal polycondensation to react, after running a period of time, two submerged pump conveyance conduits in operation
And the phenomenon that coking even blocks can occur simultaneously in the impeller of pump, cause submerged pump pump amount insufficient, even at stand-by state
The phenomenon that other two submerged pumps also will appear coking or even block, cannot equally reach use condition when needing to start.For
This and when repairing, since the flash oil that thermal polycondensation generates is easy involuntary ignition during dismantle submerged pump, exist seriously
Security risk, bring very big difficulty to maintenance.
Through retrieval:
The document that Chinese Patent Application No. is 201521005416.9 is disclosed about modified coal tar pitch reaction kettle and centre
Connect the design of U-tube between slot, medial launder draw-out device uses four submerged pumps, and two open two standby, and the mode of continuous drawing is taken out
Take modified coal tar pitch.Its there are still coking and blocking submerged pump pipeline, it is with short production cycle, maintenance is difficult the problems such as.
The document that Chinese Patent Application No. is 201520942660.1, it discloses a kind of " modified coal tar pitch continuous production systems
System " technology.The document is about a kind of modified coal tar pitch continuous process system, includes mainly revaporizer, the first reaction kettle, the
Two reaction kettles and pitch height set slot, and medial launder draw-out device is not described in detail.
Chinese Patent Application No. is the document of 201120321135.X, discloses a kind of entitled " stove-autoclave modified coal tar pitch
The technology of production system " is that tubular type heating can mainly be adjusted flexibly about a kind of furnace-kettle type modified pitch production system
Heater outlet temperature and each temperature of reaction kettle, to pitch toluene insolubles（TI）And quinoline insolubles（QI）It is adjusted, it is not right
Medial launder draw-out device is described in detail.
Utility model content
The utility model even blocks up in view of the deficienciess of the prior art, providing one kind and can prevent submerged pump from coking occur
The problem of plug, improves unit operation rate, and simple in structure, and submerged pump only needs one to open one standby, can decrease or even eliminate security risk,
Extend the modified coal tar pitch medial launder draw-out device of modified coal tar pitch production cycle.
Realize the technical measures of above-mentioned purpose：
A kind of modified coal tar pitch medial launder draw-out device that can improve service life, including medial launder, submerged pump, Vaporizing cooling
The delivery pipe one connected between device, medial launder and blister cooler, the nitrogen installed in the delivery pipe one before blister cooler
The nitrogen gas control valve installed on the steam control valve installed on tracheae and steam pipe, steam pipe, nitrogen tube, it is：In centre
Vertical slot one and vertical slot two are connected in parallel to by delivery pipe two in delivery pipe one after slot；Submerged pump is in vertical slot one and stands
There is installation on formula slot two；The lower part of every submerged pump is connected with delivery pipe three, delivery pipe three with it is defeated before blister cooler
Pipe one is sent to connect；It is respectively equipped with high temperature cut-off valve and regulating valve in the delivery pipe two being connect with vertical slot one and vertical slot two.
It is：It is separately connected on medial launder, vertical slot one and vertical slot two by tail gas absorption pipe, on tail gas absorption pipe
Equipped with tail gas control valve, tail gas absorption pipe is connect with column for smoke purification.
It is：It is connected separately with liquid level gauge on medial launder and vertical slot one and vertical slot two.
It is：Submerged pump controls for frequency conversion type.
The prior art is compared, and the utility model has following features：
First, the utility model installs two vertical slots of modified coal tar pitch, a submerged pump pipeline coking and blocking or appearance event
It can be cut off immediately with modified coal tar pitch medial launder after barrier, switch to the vertical slot operation of another modified coal tar pitch rapidly, it will not be because of
It does not pump the problem of measuring and influences modified coal tar pitch production.
Second, the vertical sump volume of the utility model is small, facilitate lifting and cleaning, and can be to avoid modified coal tar pitch medial launder
High temperature and easy spontaneous combustion bring security risk to the maintenance of pump, after the cooling of vertical slot, are cleared up and are restored in the short time, can be with
Reach standby condition, avoid the occurrence of four submerged pumps in the past while not measuring the phenomenon that causing modified coal tar pitch promptly to stop production above, extends
Production cycle of modified coal tar pitch.
Third, the vertical slot flash steam of the modified coal tar pitch of the utility model is clean outer by flue gas washing column by flue
It arranges, the small flash steam in space is less on vertical tank liquor, and a small amount of flash steam of generation can be siphoned away by fume pipe immediately, prevent flue gas
The safety and environmental accident brought that leaks.
That is the utility model can prevent submerged pump from the problem of coking even blocks occur, and improve unit operation
Rate, and simple in structure, submerged pump only need one to open one standby, can decrease or even eliminate security risk, extend the modified coal tar pitch production cycle.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In figure：1-medial launder, 2-submerged pumps, 3-blister coolers, 4-delivery pipes one, 5-liquid level gauges, 6-nitrogen
Pipe, 7-steam pipes, 8-steam control valves, 9-nitrogen gas control valves, 10-delivery pipes two, 11-vertical slots one, 12-vertical slots
Two, 13-delivery pipes three, 14-high temperature cut-off valves, 15-regulating valves, 16-tail gas absorption pipes, 17-tail gas control valves.
Specific implementation mode
It is described further below in conjunction with the accompanying drawings：
A kind of modified coal tar pitch medial launder draw-out device that can improve service life, including medial launder 1, submerged pump 2, vaporization it is cold
But using the delivery pipe 1 of welding manner connection, before blister cooler 3 between device 3, medial launder 1 and blister cooler 3
Pacify on the steam control valve 8 installed in the nitrogen tube 6 and steam pipe 7 that are welded to connect in delivery pipe 1, steam pipe 7, nitrogen tube 6
On the nitrogen gas control valve 9 of dress, its delivery pipe 1 after medial launder 1 by delivery pipe 2 10 be connected in parallel vertical slot 1 and
Vertical slot 2 12；Submerged pump 2 has installation on vertical slot 1 and vertical slot 2 12；The lower weld of every submerged pump 2 connects
It is connected to delivery pipe 3 13, delivery pipe 3 13 is used with the delivery pipe 1 before blister cooler 3 and is welded to connect；With vertical slot
1 and the delivery pipe 2 10 that is welded to connect of vertical slot 2 12 on be respectively provided with high temperature cut-off valve 14 and regulating valve 15.
It is also respectively welded on medial launder 1, vertical slot 1 and vertical slot 2 12 and is connected with tail gas absorption pipe 16, tail gas is inhaled
Tail gas control valve 17 is housed, tail gas absorption pipe 16 is connect with column for smoke purification in closed tube 16.
It also resides in and is respectively provided with liquid level gauge 5 on medial launder 1 and vertical slot 1 and vertical slot 2 12, with real-time control
Liquid level in medial launder 1 ensures steady production, prevents the vertical tank liquor position of modified coal tar pitch too high or too low.
Why in medial launder 1 and vertical slot 1 and vertical slot 2 12 it is equipped with tail gas absorption pipe 16, and is washed with flue gas
Net tower is connected, to prevent the uncontrollable discharge of flue gas.
Submerged pump 2 uses frequency conversion type electric current（30A）It is controlled.Why submerged pump uses variable frequency adjustment, is in
Between 2 12 Liquid level modified coal tar pitch extracted amount of slot 1, vertical slot 1 and vertical slot.
Practical principle
When operation, the modified coal tar pitch through medial launder 1 flows through delivery pipe 2 10, into vertical slot 1 or vertical slot 2 12,
Again through and delivery pipe 3 13 on vertical slot 1 or vertical slot 2 12 enter blister cooler 3, after flow into head tank again.
The liquid level in 5 real-time control medial launder 1 of liquid level gauge prevents from modifying vertical slot to ensure steady production in operation
One 11 or vertical slot, 2 12 liquid level is too high or too low and influences production.
Present embodiment is only the best example, not to the restricted implementation of technical solutions of the utility model.
Claims (4)
1. a kind of modified coal tar pitch medial launder draw-out device that can improve service life, including medial launder, submerged pump, Vaporizing cooling
The delivery pipe one connected between device, medial launder and blister cooler, the nitrogen installed in the delivery pipe one before blister cooler
The nitrogen gas control valve installed on the steam control valve installed on tracheae and steam pipe, steam pipe, nitrogen tube, it is characterized in that：?
Vertical slot one and vertical slot two are connected in parallel to by delivery pipe two in delivery pipe one after medial launder；Submerged pump is in vertical slot one
And there is installation on vertical slot two；The lower part of every submerged pump is connected with delivery pipe three, delivery pipe three with before blister cooler
Delivery pipe one connect；It is respectively equipped with high temperature cut-off valve and adjusting in the delivery pipe two being connect with vertical slot one and vertical slot two
Valve.
2. a kind of modified coal tar pitch medial launder draw-out device that can improve service life as described in claim 1, it is characterised in that：
It is separately connected on medial launder, vertical slot one and vertical slot two by tail gas absorption pipe, tail gas control valve is housed on tail gas absorption pipe,
Tail gas absorption pipe is connect with column for smoke purification.
3. a kind of modified coal tar pitch medial launder draw-out device that can improve service life as described in claim 1, it is characterised in that：
It is connected separately with liquid level gauge on medial launder and vertical slot one and vertical slot two.
4. a kind of modified coal tar pitch medial launder draw-out device that can improve service life as described in claim 1, it is characterised in that：
Submerged pump is frequency control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310734.3U CN208054905U (en) | 2018-03-07 | 2018-03-07 | A kind of modified coal tar pitch medial launder draw-out device that can improve service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310734.3U CN208054905U (en) | 2018-03-07 | 2018-03-07 | A kind of modified coal tar pitch medial launder draw-out device that can improve service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208054905U true CN208054905U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820310734.3U Active CN208054905U (en) | 2018-03-07 | 2018-03-07 | A kind of modified coal tar pitch medial launder draw-out device that can improve service life |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396421A (en) * | 2019-08-19 | 2019-11-01 | 七台河宝泰隆新能源有限公司 | A kind of preventing mean and method of restructuring asphalt tower pipeline coking and blocking pipeline |
-
2018
- 2018-03-07 CN CN201820310734.3U patent/CN208054905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396421A (en) * | 2019-08-19 | 2019-11-01 | 七台河宝泰隆新能源有限公司 | A kind of preventing mean and method of restructuring asphalt tower pipeline coking and blocking pipeline |
| CN110396421B (en) * | 2019-08-19 | 2024-02-02 | 七台河宝泰隆新能源有限公司 | Device and method for preventing coking and blockage of modified asphalt tower pipeline |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220223 Address after: 430000 No. 339, chemical Avenue, Qingshan District, Wuhan City, Hubei Province Patentee after: Wuhan Baoju carbon material Co.,Ltd. Address before: 430083 Gate No. 2, Qingshan District, Hubei, Wuhan Patentee before: WUHAN IRON AND STEEL Co.,Ltd. |