CN105838398A - Pyrolysis reactor with dust collection device - Google Patents
Pyrolysis reactor with dust collection device Download PDFInfo
- Publication number
- CN105838398A CN105838398A CN201610357108.5A CN201610357108A CN105838398A CN 105838398 A CN105838398 A CN 105838398A CN 201610357108 A CN201610357108 A CN 201610357108A CN 105838398 A CN105838398 A CN 105838398A
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- CN
- China
- Prior art keywords
- pyrolysis reactor
- dust
- chamber
- riser
- dust arrester
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
Abstract
The invention discloses a pyrolysis reactor with a dust collection device. The pyrolysis reactor comprises a material inlet and a material outlet. The pyrolysis reactor is characterized in that the dust collection device (8) is partially embedded into the pyrolysis reactor (10). The dust collection device is arranged inside the pyrolysis reactor, no external heat source is needed, and the temperature of the dust collection device is slightly lower than that of the hearth of the pyrolysis reactor, so that secondary pyrolysis or condensation of tar can be effectively avoided, the dust collection efficiency is high, and the operation is simple.
Description
Technical field
The present invention relates to chemical field, particularly relate to a kind of pyrolysis reactor including dust arrester.
Background technology
China is a rich coal, the country of oil-poor, few gas, and energy resource structure is based on the especially middle low-rank coal of coal, rationally profit
By middle low-rank coal resource, the energy resource structure improving China is very significant considering that.Containing extremely abundant oil in middle low-rank coal
Gas resource, effectively extracts petroleum resources contained therein and can not only improve China's energy resource structure, alleviates energy scarcity
Problem, also has huge economic worth.
Coal pyrolysis preparation oil, gas, the method for charcoal are one of effective ways of petroleum resources in low-order coal in extraction.But, burnt
Oil dust-laden problem is always the difficult problem in coal pyrolysis technology.Current dedusting technology is mainly cyclone dust collection technology, metal screen
Dedusting technology, grain bed dedusting technology.The efficiency of dust collection of cyclone dust collection technology is relatively low, metal filter screen dedusting technology bear temperature
Spending generation high temperature corrosion relatively low, easy and oxidation, grain bed dedusting technology efficiency is higher.But current dedusting technology is the most external
Formula, is both needed to heating and thermal insulation in high-temperature oil gas dust removal process, it is to avoid the second pyrolysis of tar or condensation, causes tar to lose.
Summary of the invention
In order to solve the problems referred to above, the present invention provides a kind of pyrolysis reactor including dust arrester, is partially submerged into by dust arrester
In pyrolysis reactor, it is not necessary to adding external heat source, dust arrester temperature is slightly below pyrolysis reactor fire box temperature, can effectively keep away
Exempting from second pyrolysis or the condensation of tar, efficiency of dust collection is high, simple to operate.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of pyrolysis reactor including dust arrester, described pyrolysis reactor 10 includes material inlet, material outlet, its feature
It is: dust arrester 8 is partially embedded in pyrolysis reactor 10；Described dust arrester 8 include dust chamber 8-3, riser 8-2,
Collection chamber 8-9, wherein, the top of riser 8-2 connects with the top of dust chamber 8-3, the bottom of riser 8-2 and dust chamber
The bottom connection of 8-3, dust chamber 8-3 and riser 8-2 is connected composition loop checking installation；Dust chamber 8-3 is positioned at pyrolysis reactor
In 10, riser 8-2 and collection chamber 8-9 is positioned at outside pyrolysis reactor 01；It is internal that dust chamber 8-3 stretches into pyrolysis reactor 10
Sidewall be provided with the sidewall that duct 8-4, dust chamber 8-3 be adjacent with collection chamber 8-9 and dust chamber 8-3 and collection chamber 8-9 shares
On be again provided with duct 8-4；The top of riser 8-2 is provided with ash-laden gas outlet 8-1, and the bottom of riser 8-2 is provided with wind
Cap 8-6.
Preferably, described pyrolysis reactor also includes that distributing device 3, described distributing device 3 have cloth blast cap 4, described cloth blast cap 4
In being located at pyrolysis reactor 10 and be positioned at the positive lower end of material inlet.
Further, the distance between described cloth blast cap 4 and the material inlet of pyrolysis reactor 10 is 100～500mm.
Preferably, described pyrolysis reactor also includes multiple radiant tube 5, and described radiant tube 5 uses friendship in pyrolysis reactor 10
Wrong arrangement, the distance between described radiant tube 5 is 100～500mm.
Preferably, the sidewall of described collection chamber 8-9 is provided with pyrolysis oil gas vent 8-5.
Preferably, a diameter of 2-10mm of described duct 8-4.
Further, described duct 8-4 is evenly distributed on the sidewall of dust chamber 8-3.
Preferably, described dust arrester 8 also include dividing plate 8-7, described dividing plate 8-7 be arranged on connection dust chamber 8-3 bottom with
In the pipeline of the bottom of riser 8-2, described dividing plate 8-7, for regulating the inlet-outlet flow balance of filter medium, simultaneously facilitates and opens
The loading of filter medium during dynamic pyrolysis reactor.
Further, described dividing plate is push-pull valve or butterfly valve.
The invention has the beneficial effects as follows: dust arrester is partially embedded into inside pyrolysis reactor, it is not necessary to add external heat source, remove
Dirt unit temp is slightly below pyrolysis reactor fire box temperature, can be prevented effectively from second pyrolysis or the condensation of tar, the mistake of dust arrester
Filter medium can be recycled, and efficiency of dust collection is high, simple to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pyrolysis reactor including dust arrester of the present invention.
Fig. 2 is the structural representation of the dust arrester of the present invention.
Fig. 3 is the duct layout drawing of the dust arrester of the present invention.
Wherein: 1, feed bin, 2, feed auger, 3, distributing device, 4, cloth blast cap, 5, radiant tube, 6, fuel gas inlet, 7,
Exhanst gas outlet, 8, dust arrester, 8-1, ash-laden gas export, 8-2, riser, 8-3, dust chamber, 8-4, duct, 8-5,
Pyrolysis oil gas vent, 8-6, blast cap, 8-7, dividing plate, 8-9, collection chamber, 9, discharging spiral, 10, pyrolysis reactor.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Bright it is further elaborated.Should be appreciated that specific embodiment described herein, and need not only in order to explain the present invention
In limiting the present invention.
With reference to Fig. 1, Fig. 2, Fig. 3.
The invention provides a kind of pyrolysis reactor including dust arrester, dust arrester 8 is partially embedded into pyrolysis reactor 10
In, the top of pyrolysis reactor 10 is provided with material inlet, and the bottom of pyrolysis reactor 10 is provided with material outlet.
Dust arrester 8 includes dust chamber 8-3, riser 8-2, collection chamber 8-9, wherein, the top of riser 8-2 and filter dirt
The top connection of room 8-3, the bottom of riser 8-2 connects with the bottom of dust chamber 8-3, dust chamber 8-3 and riser 8-2 phase
Connection constitutes loop checking installation.
Dust chamber 8-3 is positioned at pyrolysis reactor 10, and the inner side of dust chamber 8-3 extend into the inside of pyrolysis reactor 10, and
The outside of dust chamber 8-3 is fixed on the sidewall of pyrolysis reactor 10, accommodates filter medium in dust chamber 8-3.Riser 8-2
It is positioned at outside pyrolysis reactor 10 with collection chamber 8-9.Collection chamber 8-9 is connected with the lateral wall of dust chamber 8-3.
Dust chamber 8-3 stretches into the sidewall within pyrolysis reactor and is provided with duct 8-4.Dust chamber 8-3 adjacent with collection chamber 8-9 and
It is again provided with duct 8-4 on the sidewall that dust chamber 8-3 and collection chamber 8-9 shares.
The top of riser 8-2 is provided with ash-laden gas outlet 8-1, and the bottom of riser 8-2 is provided with blast cap 8-6.
The sidewall of described collection chamber 8-9 is provided with pyrolysis oil gas vent 8-5, and such as, pyrolysis oil gas vent 8-5 can be located at and filter
On the sidewall that sidewall shared for dirt room 8-3 and collection chamber 8-9 is relative.
Described pyrolysis reactor 10 also includes that distributing device 3, described distributing device 3 have cloth blast cap 4, and heat is located at by described cloth blast cap 4
Solution reactor 10 is interior and is positioned at the positive lower end of material inlet.
Distance between described cloth blast cap 4 and the material inlet of pyrolysis reactor 10 is 100～500mm.
Described pyrolysis reactor 10 also includes multiple radiant tube 5, and described radiant tube 5 uses staggered cloth in pyrolysis reactor 10
Putting mode, the distance between described radiant tube 5 is 100～500mm.
A diameter of 2-10mm of described duct 8-4.
Described duct 8-4 is evenly distributed on the sidewall of dust chamber 8-3.
Dust arrester 8 also includes that dividing plate 8-7, described dividing plate 8-7 are arranged on the bottom of connection dust chamber 8-3 with riser 8-2's
In the pipeline of bottom, for regulating the inlet-outlet flow balance of filter medium, simultaneously facilitate filter medium when starting pyrolysis reactor
Load.
Described dividing plate 8-7 is push-pull valve or butterfly valve.
Accommodating filter medium in dust chamber 8-3, the particle diameter of described filter medium is 5-20mm.
Described filter medium is Ceramic Balls.
It is internal that dust chamber 8-3 is positioned at pyrolysis reactor 10, and this is designed with the temperature helping utilize pyrolysis reactor 10.
The top of described riser 8-2 is provided with ash-laden gas outlet 8-1；The bottom of described riser 8-2 is provided with blast cap 8-6,
For being blown into gas in described riser 8-2.The top of riser 8-2 connects with the top of dust chamber 8-3, riser 8-2
Bottom connect with the bottom of dust chamber 8-3, riser 8-2 and dust chamber 8-3 form loop.Pyrolysis oil gas is stretched by dust chamber
The duct 8-4 entered on the sidewall within pyrolysis reactor enters dust chamber 8-3 and flows through filter medium, by filter medium
Collision can remove dust, thus removes the dust in pyrolysis oil gas, and then the pyrolysis oil gas of removing dust is another by dust chamber 8-3
Duct 8-4 on side sidewall (i.e. the sidewall that dust chamber 8-3 and collection chamber 8-9 shares) enters collection chamber 8-9, thus from heat
Solve oil gas vent 8-5 to discharge.Inside riser 8-2, it is blown into gas by the blast cap 8-6 bottom riser 8-2, on the one hand blows
Sweep the dust on the filter medium being adsorbed with dust, on the other hand the filter medium through purge is blown and cycle back to filter dirt
Room 8-3, to recycle.
Further, with reference to Fig. 1, the material inlet of pyrolysis reactor 10 is connected with feed auger 2, feed auger 2 and feed bin
1 is connected；The material outlet of pyrolysis reactor 10 is connected with discharging spiral 9.
The workflow of the present embodiment is: it is anti-that the particle diameter coal dust less than 3mm is fallen to pyrolysis by feed bin 1 through feed auger 2
In answering device 10, after distributing device 3 cloth, contact generation pyrolytic reaction with radiant tube 5 (600 DEG C), react half obtained
Jiao Dui, to furnace bottom, is discharged by discharging spiral 9；Pyrolysis oil gas (500 DEG C), via dust arrester 8 dust removal process, enters into condensation
Piece-rate system, thus isolated tar and pyrolysis gas.
Wherein, dust chamber's 8-3 inner filter media is the Ceramic Balls of particle diameter 5mm, and 8-4 aperture, dust arrester duct is 3mm.
Measuring the tar dustiness before and after dedusting, measurement result is shown in Table 1.
Before and after table 1 dedusting, tar dustiness compares
| Tar dustiness before dedusting | Tar dustiness after dedusting |
| 14.59% | 4.32% |
Thermal decomposition product measurement result respectively is shown in Table 2.
Table 2 thermal decomposition product is distributed
| Title | Tar/% | Semicoke/% | Pyrolysis gas/% | Pyrolysis water/% |
| Pyrolysis productivity | 11.17 | 65.28 | 13.05 | 10.5 |
| Lattice gold productivity | 10.35 | 71.15 | 9.75 | 8.75 |
Above by embodiment, the present invention is described in detail, it should be appreciated that those skilled in the art is the most permissible
In the range of without departing from this invention technological thought, carry out change and the amendment of various ways.The technical scope of the present invention
It is not limited to content described above, it is necessary to determine its protection domain according to right.
Claims (9)
1. include that a pyrolysis reactor for dust arrester, pyrolysis reactor (10) include material inlet, material outlet, its
It is characterised by: dust arrester (8) is partially embedded in pyrolysis reactor (10)；Dust arrester (8) include dust chamber (8-3),
Riser (8-2), collection chamber (8-9), wherein, the top of riser (8-2) connects with the top of dust chamber (8-3),
The bottom of riser (8-2) connects with the bottom of dust chamber (8-3), and dust chamber (8-3) is connected with riser (8-2)
Constitute loop checking installation；Dust chamber (8-3) is positioned at pyrolysis reactor (10), riser (8-2) and collection chamber (8-9)
It is positioned at pyrolysis reactor (10) outward；Dust chamber (8-3) stretches into the sidewall within pyrolysis reactor and is provided with duct (8-4),
Set as on the sidewall that dust chamber (8-3) is adjacent with collection chamber (8-9) and dust chamber (8-3) is shared with collection chamber (8-9)
There is duct (8-4)；The top of riser (8-2) is provided with ash-laden gas outlet (8-1), and the bottom of riser (8-2) is arranged
There is blast cap (8-6).
The pyrolysis reactor including dust arrester the most according to claim 1, it is characterised in that: pyrolysis reactor (10)
Also including that distributing device (3), distributing device (3) have cloth blast cap (4), cloth blast cap (4) is located in pyrolysis reactor (10)
And it is positioned at the positive lower end of material inlet.
The pyrolysis reactor including dust arrester the most according to claim 2, it is characterised in that: cloth blast cap (4) with
Distance between the material inlet of pyrolysis reactor (10) is 100～500mm.
The pyrolysis reactor including dust arrester the most according to claim 1, it is characterised in that: pyrolysis reactor (10)
Including multiple radiant tubes (5), radiant tube (5) uses interlaced arrangement mode, described radiant tube in pyrolysis reactor (10)
(5) distance between is 100～500mm.
The pyrolysis reactor including dust arrester the most according to claim 1, it is characterised in that: collection chamber (8-9)
Sidewall be provided with pyrolysis oil gas vent (8-5).
The pyrolysis reactor including dust arrester the most according to claim 1, it is characterised in that: dust arrester (8)
Also include that dividing plate (8-7), dividing plate (8-7) are arranged on the bottom of connection dust chamber (8-3) and the bottom of riser (8-2)
Pipeline in.
The pyrolysis reactor including dust arrester the most according to claim 6, it is characterised in that: dividing plate (8-7) is
Push-pull valve or butterfly valve.
The pyrolysis reactor including dust arrester the most according to claim 1, it is characterised in that: described duct (8-4)
A diameter of 2-10mm.
The pyrolysis reactor including dust arrester the most according to claim 8, it is characterised in that: described duct (8-4)
It is evenly distributed on the sidewall of dust chamber (8-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357108.5A CN105838398A (en) | 2016-05-26 | 2016-05-26 | Pyrolysis reactor with dust collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357108.5A CN105838398A (en) | 2016-05-26 | 2016-05-26 | Pyrolysis reactor with dust collection device |
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| Publication Number | Publication Date |
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| CN105838398A true CN105838398A (en) | 2016-08-10 |
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| CN201610357108.5A Pending CN105838398A (en) | 2016-05-26 | 2016-05-26 | Pyrolysis reactor with dust collection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281372A (en) * | 2016-08-16 | 2017-01-04 | 华能国际电力股份有限公司 | A kind of pyrolysis reactor utilizing solid thermal carriers and continuous pyrolysis method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762097A (en) * | 2015-04-13 | 2015-07-08 | 陕西煤业化工集团神木天元化工有限公司 | Rotary furnace low-order powdered coal pyrolysis upgrading method with coal gas circulation |
| CN205774311U (en) * | 2016-05-26 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | Pyrolysis reactor including dust arrester |
-
2016
- 2016-05-26 CN CN201610357108.5A patent/CN105838398A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762097A (en) * | 2015-04-13 | 2015-07-08 | 陕西煤业化工集团神木天元化工有限公司 | Rotary furnace low-order powdered coal pyrolysis upgrading method with coal gas circulation |
| CN205774311U (en) * | 2016-05-26 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | Pyrolysis reactor including dust arrester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281372A (en) * | 2016-08-16 | 2017-01-04 | 华能国际电力股份有限公司 | A kind of pyrolysis reactor utilizing solid thermal carriers and continuous pyrolysis method |
| CN106281372B (en) * | 2016-08-16 | 2022-01-14 | 华能国际电力股份有限公司 | Pyrolysis reactor utilizing solid heat carrier and continuous pyrolysis method |
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Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Applicant after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Applicant before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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Effective date of abandoning: 20190716 |