CN205662496U - Separation recovery system suitable for tar in gasification gas - Google Patents
Separation recovery system suitable for tar in gasification gas Download PDFInfo
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- CN205662496U CN205662496U CN201620582053.3U CN201620582053U CN205662496U CN 205662496 U CN205662496 U CN 205662496U CN 201620582053 U CN201620582053 U CN 201620582053U CN 205662496 U CN205662496 U CN 205662496U
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- intervalve
- separation
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- tar
- recovery system
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Abstract
The utility model relates to a separation recovery system suitable for tar in gasification gas belongs to the relevant technical equipment field of coal gasification and biomass gasification. It is main including the cooling body, conveying unit and the separating mechanism that communicate in proper order, separating mechanism has shell, the inside hybrid tube that has many vertical settings of shell, be outer pipe, intervalve and inlayer pipe in the hybrid tube follow extroversion in proper order, the top parallel and level of outer pipe, intervalve and inlayer pipe, and the top of intervalve and inlayer pipe is closed, and the inner chamber between outer pipe and the intervalve is linked together with conveying unit, wherein, the tar that the cooling body will gasify in the gas cools off into solid -liquid mixture, and solid -liquid mixture carries out permeation separation in conveying unit gets into the hybrid tube. The utility model discloses a design brand -new structure, can make that the tar of gasification in the gas cools off, pump sending and separation, very big reduction the cost of separation tar.
Description
Technical field
The present invention relates to coal gasification and gasification of biomass technical equipment field, specifically, relate to a kind of being suitable for
In the separation and recovery system that gasification gas is coal-tar middle oil.
Background technology
Tar is coal or the biomass product in gasification reaction process, and it exists along with gasification gas, is substantially divided into weight
Matter tar and tar light oil, its complicated component, it is slightly soluble in water, is dissolved in benzene, ethanol, ether, chloroform, acetone etc. most organic molten
Agent.Tar at high temperature can crack, in gaseous state together with gasification gas, but in the case of less than 200 DEG C, so that it may
To be condensed into liquid, become dark thick grease, affect equipment for gasification and stablize and safe operation, cause energy dissipation, reduce
Gasification efficiency.
A certain amount of precipitation is there is, to ring in the polynuclear aromatic race in tar ingredients in the purification and combustion process of gasification gas
Border and human health constitute serious harm.
Take suitable processing method to gasification gas is coal-tar middle oil, reduce tar component in gasification gas, improve gasification gas
Quality, is an important subject of biomass gasification technology.
At present, the processing method that gasification gas is coal-tar middle oil has Physical and chemical method.Physical has cyclonic separation, wet type clean
Change, dry cleaning etc..Chemical method has chemical high temperature pyrolysis to convert and chemical catalysis cracks conversion etc..At present, domestic gasification projects
Using more is multistage wet method combined in physical method.
The common cooling and purifying process of High Temperature Gas activating QI is: material is output High Temperature Gas activating QI after gasifying process, if needed
Want purified treatment, then High Temperature Gas activating QI needs cooling and purifying, and cooling and purifying adopts the technology that spray washing+electricity under normal circumstances
Catch tar device, use the oxygen content of the electrical tar precipitator gas to processing to have strict requirements, 2% can not be more than under normal circumstances,
To prevent from exploding in electrical tar precipitator.And the gas that gasifies typically all contains a certain amount of tar, at washing and electrical tar precipitator
Double acting under can remove more than 95%, but the tar removed is generally attached on ash, also needs to if be used
Carry out follow-up separation circuit.
It is in place of the deficiencies in the prior art: tar and waste water causes secondary pollution；A large amount of tar can not utilize, and causes the energy
Loss；The tar removed is generally attached on ash, needs, through multiple stage separation operation, to reclaim and circulate if be used
Equipment is huge.
Therefore, it is necessary to design a kind of new coke tar recovery system, solve the problems referred to above.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of be applicable to gasify gas coal-tar middle oil point
From recovery system.The present invention, by designing brand-new structure, can make the tar in gasification gas carry out cooling down, pump and separating.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of it is applicable to the coal-tar middle oil separation and recovery system of gas that gasifies, including:
Cooling body；
Cooling body is sequentially communicated with supply unit and separating mechanism；
Described separating mechanism has shell, and enclosure has many vertically arranged mixing tubes；
Described mixing tube is followed successively by outer tube, intervalve and inner tube from outside to inside；
Outer tube, intervalve are concordant with the top of inner tube, and intervalve and the top seal of inner tube, outer tube with in
Between inner chamber between pipe be connected with supply unit；
Wherein, the tar in gasification gas is cooled to solidliquid mixture by cooling body, and solidliquid mixture enters through supply unit
Enter and mixing tube carries out permeability and separation.
Preferably, described supply unit is high-pressure pump.
Preferably, described cooling body includes cooling wall, and the lower section of cooling wall is provided with mixed collection device, mixed collection device
It is connected with supply unit.
Preferably, the top of described shell has mixing tube joint, and the inner chamber that outer tube is formed with intervalve is mixed with described
Conjunction pipe is connected.
Preferably, in every mixing tube, the length of outer tube, intervalve and inner tube increases successively；
The bottom of described shell has at least three collecting bin, outer tube, intervalve and inner tube respectively with a collection
Storehouse is connected.
Preferably, the inwall of described intervalve is provided with pressure transducer.
Preferably, the inwall of described inner tube is provided with liquid level sensor.
Preferably, described outer tube is stainless steel tube, and intervalve is hydrophilic ceramic fiber tube, and inner tube is that hydrophobic is received
Rice ceramic fiber tube.
Preferably, the outer surface of described cooling wall has hydrophobic coat.
While said structure scheme is provided, present invention also offers the above-mentioned separation and recovery system of a kind of application and carry out Jiao
The method of separating of oil recovery, step is as follows:
A, cooling body start, and containing burnt oil gasification Qi Chong contact cooling mechanism, then tar cooling becomes solid-liquid mixing
Thing；
B, solidliquid mixture are delivered to mixing tube through supply unit；
C, solidliquid mixture permeability and separation in mixing tube；
D, collection separate product.
The invention has the beneficial effects as follows:
(1) by chiller, tar cooling is formed solidliquid mixture, then utilize the mixing tube that existing material is made
Carry out permeability and separation, make the ash in mixture, water and tar be separated, it is simple to tar is carried out subsequent recovery utilization.
(2) device overall structure is simple, and cost is cheap, it is possible to reduce tar cost recovery greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of separating mechanism in the present invention；
Wherein, 1, gasification gas passage, 2, cooling body, 3, mixed collection device, 4, supply unit, 5, mixing tube joint, 6,
Close closure plate, 7, shell, 8, mixing tube, the 9, first collecting bin, the 10, second collecting bin, the 11, the 3rd collecting bin, 12, outer tube,
13, intervalve, 14, inner tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment 1: a kind of be applicable to the coal-tar middle oil separation and recovery system of gas that gasifies, its structure as depicted in figs. 1 and 2, bag
Include:
Cooling body 2, supply unit 4 and the separating mechanism being sequentially communicated.
Described cooling body 2 includes cooling wall, and the lower section of cooling wall is provided with mixed collection device 3, and mixed collection device 3 is with defeated
Unit 4 is sent to be connected.Described mixed collection device 3, with gasification gas passage 1 be connected, cooling body 2 be positioned at gasification gas passage 1 it
Between.As preferably selecting, the left side that can make gasification gas passage 1 is High Temperature Gas activating QI passage, and right side is that low temperature gasification gas leads to
Road.
According to different needs, described supply unit 4 can be chosen as high-pressure pump, or other underflow pumping installations.
Separating mechanism mainly includes shell 7, the top of shell 7 and mixing tube joint 5 airtight connection, and the bottom of shell 7 is certainly
Under on successively with the first collecting bin the 9, second collecting bin 10 and the 3rd collecting bin 11 airtight connection.
There are the many mixing tubes being vertically arranged 8 and for fixing the skeleton of mixing tube 8 in shell, every mixing tube 8
Structure is identical.Mixing tube 8 is followed successively by outer tube 12, intervalve 13 and inner tube 14, outer tube 12, intervalve 13 and within outer
The length of inner tube 14 increases successively；Cavity and the first collecting bin 9 between described outer tube 12 and intervalve 13 are connected, in
Between the cavity that formed with inner tube 14 of pipe 13 and the second collecting bin 10 be connected, the inner chamber of inner tube 14 and the 3rd collecting bin 11
It is connected.
As another kind of structure, outer tube 12, intervalve 13 can also be identical with the entire length of inner tube 14, then only
Dialysate is independently collected when bottom collection.
It should be noted that the top of described intervalve 13 and inner tube 14 is closed closure plate 6 and closes, such structure can
Only to make outer tube 12 be connected with mixing tube joint 5 with the inner chamber of intervalve 13.
For the ease of monitoring, the inwall of intervalve 13 is provided with pressure transducer, also on the inwall of inner tube 14
Being provided with liquid level sensor, the inside of inner tube 14 has mechanical collection apparatus.
The material of the body of three, particularly as follows: outer tube 12 is stainless steel tube, intervalve 13 is hydrophilic ceramic fibre
Pipe, inner tube 14 is hydrophobic nanometre ceramic fiber tube.
The Main Function of cooling body 2 is to drop to the solidifying temperature separated out with tar of water-cooled by out of breath for high-temperature gasification, is used
Equipment surface material be hydrophobic ceramic material, flying dust, tar with condensed water fall into lower section mixed collection device 3 in.
Embodiment 2: the separation and recovery system described in a kind of Application Example 1 carries out the side of the gasification coal-tar middle oil separation and recovery of gas
Method, key step is as follows:
A, cooling body 2 start, and cooling wall is lowered the temperature, and rush contact cooling wall containing burnt oil gasification gas, then tar is lowered the temperature into
For solidliquid mixture, fall into mixed collection device 3；
B, solidliquid mixture are delivered to mixing tube joint 5 from the discharging opening of mixed collection device 3 through supply unit 4, then enter
Enter the cavity between outer tube 12 and intervalve 13 (intervalve 13 alternatively referred to as water and tar dialysis layer)；With intervalve 13 not
With under the effect of pressure reduction, solidliquid mixture is to intervalve 13 and inner tube 14 (layer is breathed in inner tube 14 alternatively referred to as tar dialysis)
The cavity water-dialyzing formed and tar, then ash has been left between outer tube 12 and intervalve 13, later falls into the first receipts
Collection storehouse 9；High pressure blow-gas is used to discharge subsequently；
C, under the effect of inner tube 14, when the mixture of water and tar reaches certain pressure, tar starts to pass through in a large number
The outer surface of inner tube 14 enters the inside of inner tube 14, thus realizes tar and separate with water, then flows into the second collecting bin
10；Concurrently, according to hydraulic pressure timing, the water in the second collecting bin 10 is carried out outer row by pump；
D, tar, along the inwall of inner tube 14, are flowed downward to the 3rd collecting bin 11, are passed by liquid level during collection
Sensor knows the volume of tar in real time, finally realizes the trapping of tar.
In the present invention, by the osmos tube of three unlike materials, utilize material behavior and the material percent of pass of each layer
Dialyse separating mixture,
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (9)
1. one kind is applicable to the separation and recovery system that gasification gas is coal-tar middle oil, it is characterised in that including:
Cooling body；
Cooling body is sequentially communicated with supply unit and separating mechanism；
Described separating mechanism has shell, and enclosure has many vertically arranged mixing tubes；
Described mixing tube is followed successively by outer tube, intervalve and inner tube from outside to inside；
Outer tube, intervalve are concordant with the top of inner tube, and intervalve and the top seal of inner tube, outer tube and intervalve
Between inner chamber be connected with supply unit；
Wherein, the tar in gasification gas is cooled to solidliquid mixture by cooling body, and solidliquid mixture enters mixed through supply unit
Close in pipe and carry out permeability and separation.
Separation and recovery system the most according to claim 1, it is characterised in that described supply unit is high-pressure pump.
Separation and recovery system the most according to claim 1, it is characterised in that described cooling body includes cooling wall, cooling
The lower section of wall is provided with mixed collection device, and mixed collection device is connected with supply unit.
Separation and recovery system the most according to claim 1, it is characterised in that the top of described shell has mixing tube and connects
Head, the inner chamber that outer tube is formed with intervalve is connected with described mixing tube.
Separation and recovery system the most according to claim 1, it is characterised in that in every mixing tube, outer tube, intervalve and
The length of inner tube increases successively；
The bottom of described shell has at least three collecting bin, outer tube, intervalve and inner tube respectively with a collecting bin phase
Connection.
Separation and recovery system the most according to claim 1, it is characterised in that be provided with pressure on the inwall of described intervalve
Sensor.
Separation and recovery system the most according to claim 1, it is characterised in that be provided with liquid level on the inwall of described inner tube
Sensor.
Separation and recovery system the most according to claim 1, it is characterised in that described outer tube is stainless steel tube, intervalve
For hydrophilic ceramic fiber tube, inner tube is hydrophobic nanometre ceramic fiber tube.
Separation and recovery system the most according to claim 3, it is characterised in that the outer surface of described cooling wall has hydrophobic and is coated with
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582053.3U CN205662496U (en) | 2016-06-14 | 2016-06-14 | Separation recovery system suitable for tar in gasification gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582053.3U CN205662496U (en) | 2016-06-14 | 2016-06-14 | Separation recovery system suitable for tar in gasification gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205662496U true CN205662496U (en) | 2016-10-26 |
Family
ID=57154579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620582053.3U Withdrawn - After Issue CN205662496U (en) | 2016-06-14 | 2016-06-14 | Separation recovery system suitable for tar in gasification gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205662496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925320A (en) * | 2016-06-14 | 2016-09-07 | 山东大学 | Separating and recycling system and method applicable to tar in gasified gas |
-
2016
- 2016-06-14 CN CN201620582053.3U patent/CN205662496U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925320A (en) * | 2016-06-14 | 2016-09-07 | 山东大学 | Separating and recycling system and method applicable to tar in gasified gas |
| CN105925320B (en) * | 2016-06-14 | 2019-01-15 | 山东大学 | A kind of separation and recovery system and method for the tar suitable for the gas that gasifies |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161026 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161026 Effective date of abandoning: 20190115 |
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| AV01 | Patent right actively abandoned |