CN206447827U - A kind of pyrolyzing sludge desorption apparatus - Google Patents
A kind of pyrolyzing sludge desorption apparatus Download PDFInfo
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- CN206447827U CN206447827U CN201720097046.9U CN201720097046U CN206447827U CN 206447827 U CN206447827 U CN 206447827U CN 201720097046 U CN201720097046 U CN 201720097046U CN 206447827 U CN206447827 U CN 206447827U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The utility model is related to sludge treatment field, and in particular to a kind of pyrolyzing sludge desorption apparatus, including：Pyrolysis desorption body of heater, pyrolysis desorption and the transmission of sludge for sludge, the pyrolysis desorption body of heater is the nested structure of interior exocoel, including, the pyrolysis desorption chamber of sludge and the heating chamber being coated on outside the pyrolysis desorption chamber are held, the pyrolysis desorption intracavitary is provided with conveying mechanism；The pyrolysis desorption body of heater is divided into, upper furnace body and lower furnace body setting up and down, set hot gas rising passway to connect both heating chambers between the upper furnace body and lower furnace body, set material dropping channel to connect both pyrolysis desorption chambers between the upper furnace body and lower furnace body；Hot gas generating means；Material inlet, is arranged on the one end of the upper furnace body away from the material dropping channel；Material outlet, is arranged on the one end of the lower furnace body away from the material dropping channel；Mixed gas passage, is connected with the pyrolysis desorption chamber；Exhanst gas outlet.
Description
Technical field
The utility model is related to sludge treatment field, and in particular to a kind of pyrolyzing sludge desorption apparatus.
Background technology
With the unconventionaloil pool development process such as shale gas, tight gas, the use scale of oil-base mud gradually increases.Oil base
Mud has the advantages that in good rheological property, vena caval filter performance and lubricity, but drilling process, the production of the solid controlling circulatory system
Raw oil-base mud and landwaste mixture（Abbreviation oil-based drill cuttings）Be processed into for a huge the difficult problem of environmental protection.In oil base mud
Starch in cyclic process, the equipment such as vibrating sieving machine, desander, desilter, centrifuge can constantly produce varigrained landwaste and mud
Mixture, mineral oil content belongs to catastrophe risk waste more than 20%, will cause into natural environment serious soil and
Underground water pollution accident, serious destruction is caused to ecological environment, directly produces harm to human health, therefore, and exploitation is to useless
Abandoning the rational treatment technology of oil-base mud turns into domestic urgent problem.
Domestic maturation is to use LRET technologies at present, i.e., carrying out mechanically decoupled --- heating --- to oil-based drill cuttings reclaims
It is desorbed medicament to recycle, has the disadvantage that equipment investment is higher, treatment agent is expensive.Occupation area of equipment is larger, is difficult reality
Now handled with brill.
At present, some Oilfield Companies use microbiological treatment technical finesse oil-based drill cuttings, are to oil using microbial bacterial
Base drilling cuttings carry out soil can farming formula function repair and improve, utilize the petroleum hydrocarbon in microorganism decomposition oil-based drill cuttings and other
Organic matter, but this method has the disadvantage that processing time is long, is difficult to realize large-scale.For many years, it is domestic to never have a skill
Art and economically viable " oil-base mud " treating method and apparatus.Also some oil fields are entered using pyrolysis desorption technology to oil-base mud
Row processing, refers to reclaim after most liquid phase separations condensation in landwaste under anoxybiotic heating condition, so as to realize drilling cuttings
The purpose separated with oil.
Utility model content
There is provided a kind of pyrolyzing sludge desorption apparatus for the problem of the purpose of this utility model is to solve in background technology.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of pyrolyzing sludge desorption apparatus, including：
Pyrolysis desorption body of heater, pyrolysis desorption and the transmission of sludge for sludge, the pyrolysis desorption body of heater is inside and outside
The nested structure of chamber, including, hold the pyrolysis desorption chamber of sludge and the heating chamber being coated on outside the pyrolysis desorption chamber, the heat
Solution desorption intracavitary is provided with conveying mechanism；
The pyrolysis desorption body of heater is divided into, upper furnace body and lower furnace body setting up and down, between the upper furnace body and lower furnace body
Set hot gas rising passway to connect both heating chambers, material dropping channel is set between the upper furnace body and lower furnace body by two
The pyrolysis desorption chamber connection of person；
Hot gas generating means, for producing hot gas, including burner and gas distributing chamber, the gas distributing chamber respectively at
It is connected with the heating chamber and the burner of the lower furnace body；
Material inlet, is arranged on the one end of the upper furnace body away from the material dropping channel；
Material outlet, is arranged on the one end of the lower furnace body away from the material dropping channel；
Mixed gas passage, gaseous mixture is produced for transmitting in pyrolysis desorption process, is connected with the pyrolysis desorption chamber；
Exhanst gas outlet, is arranged at the top of the pyrolysis desorption body of heater, and connected with the heating chamber.
In order to which the pyrolysis desorption stove reached in the effect of pyrolysis desorption, this programme includes pyrolysis desorption chamber and heating chamber
Two pieces of different heating regions, indirectly heat is carried out in heating chamber by combustion gas, in pyrolysis desorption intracavitary simultaneously, passes through auger
Rolling directly heats effect between reaching material, and heat transfer, heat radiation and the triple role of thermal convection current, material can be realized simultaneously
It is heated evenly so that the heated volatilization of volatile organic matter in oily sludge forms gas mixture.In addition, pyrolysis desorption stove
The internal transmission direction of greasy filth and the flow direction of hot gas are reverse so that hot gas forms what temperature one by one was gradually reduced along its flow direction
Temperature province so that heating temperature of the greasy filth on its transporting direction then gradually rises, and meets in oil-sludge treatment, according to drying,
The processing sequence of pyrolysis, has saved the energy and equipment volume.
Preferably, the pyrolysis desorption apparatus also includes gas generator, the gas generator is that nitrogen is filled
Put or superheated steam producer, the gas vent of the gas generator is directly connected with pyrolysis desorption chamber.
Conventional thermal desorption technology is by being heated to soil physics, allowing pollutant to volatilize and be separated with soil, discharge
Pollutant takes the technology discharged again after the absorption of activated carbon gas collection, unified collection processing again, in this process, generally adopts
Mode of heating is indirectly heat, and thermal source is arranged on outside heating furnace, and then the oily sludge in stove is heated.
The pyrolysis desorption method of this programme be then by be gas generator produce protection gas so that oily sludge heating
Intracavitary carries out indirectly heat by combustion gas, in pyrolysis desorption intracavitary simultaneously by protecting gas in the protective atmosphere of anaerobic or anoxic
Directly heated, volatile organic matter is separated in a gaseous form, volatile organic matter generation pyrolytic reaction is not formed
Solid, liquid, gas three-phase product.Wherein, gas phase refers mainly to the micro-molecular gas such as methane, hydrogen, carbon monoxide, organic hydrocarbon, liquid phase
It is then the compositions such as water, vinegar liquid, tar, exists in vapour form at a temperature of pyrolysis desorption reaction, therefore, for not volatile
Organic matter is also separated in a gaseous form in the air-liquid two-phase that pyrolytic process is produced, and remainder is then finally with the shape of solid-state charcoal
Formula is remained, therefore pyrolysis desorption is a physicochemical process.Compared with conventional pyrolysis desorption technology, pyrolysis desorption
The scope of the applicable pollutant of technology is wider, and the effect of processing is more thorough, it is adaptable to oil gas field scene greasy filth, oil-based drill cuttings,
Refinery " three mud " and by the recycling of petroleum substance depth contaminated soil and harmless treatment etc..
Preferably, the described pyrolysis desorption apparatus also includes exhaust gas treating device, the exhaust gas treating device includes, and sprays
Device, steam trap, water tank and fixed gas outlet, the spray thrower is connected with the mixed gas passage, and the water tank is arranged on
Spray thrower bottom, the air inlet of the steam trap is connected with the exhaust outlet of the spray thrower, the row of the steam trap
Liquid mouthful is located at the tank top, and the water tank is connected by water pump and water pipe with the shower of the spray thrower.
Condensable gas in the mixed gas for being produced mixed gas passage by spray thrower absorb, remaining incondensable gas
Separated after then being dried by steam trap, set water tank to be used to use as the water circulation of spray thrower.
Preferably, the hot gas rising passway is coated on the outside of the material dropping channel, the design coated completely can
To cause oily sludge whole heated effect in its whole transmitting procedure, it is ensured that the effect of process heat solution desorption.
Preferably, the hot gas rising passway and the material dropping channel are apart from one another by setting, the design is easy to set
Standby manufacture.
Preferably, the pyrolysis desorption body of heater, material inlet and material outlet are arranged in the first skid, the hot gas
Generating means and the exhaust gas treating device are arranged in the second skid, detachable between first skid and second skid
Formula is connected.
Preferably, setting pressure relief safety valve at the top of the mixed gas passage, it is ensured that the air pressure balance of whole equipment.
Preferably, the conveying mechanism is shaftless screw auger, it can effectively prevent sludge from adhering on auger, simultaneously
Increase heating surface area of the oily sludge in pyrolysis desorption intracavitary.
Preferably, the gas distributing chamber is connected by ajutage with the heating chamber of the lower furnace body, the gas point
Connected with room by air inlet pipe with the burner.
Preferably, the gas distributing chamber outer wall is provided with relief hole, row pressure during for equipment operation exception is improved
The security of equipment.
Preferably, pyrolysis desorption body of heater includes, two upper furnace bodies and two lower furnace bodies, two upper furnace bodies plus
Hot chamber is interconnected, and the heating chamber of two lower furnace bodies is interconnected, and is improved while the relative floor space for reducing equipment
Treating capacity.
In summary, the beneficial effects of the utility model：
1. a kind of pyrolyzing sludge desorption apparatus described in the utility model, by way of inside and outside Hybrid Heating, is improved
Heating effect, the processing to oily sludge is more thorough.
2. a kind of pyrolyzing sludge desorption apparatus described in the utility model, can thoroughly remove can not carry out machinery point in greasy filth
From oil, recycling can be realized as fuel by reclaiming the oil content removed.
3. a kind of pyrolyzing sludge desorption apparatus described in the utility model, can run under micro-vacuum state, and internally
By protecting gas to realize, oxygen-free atmosphere is protected, and greatly improves the security of equipment.
4. a kind of pyrolyzing sludge desorption apparatus described in the utility model, available for the drying of sludge, dehydration, thermal desorption and
In a variety of handling process such as pyrolysis desorption, wide usage is good.
5. a kind of pyrolyzing sludge desorption apparatus described in the utility model, not only applied to greasy filth field, in addition to lives
In the fields such as sewage, biochemical sludge, chemical engineering sludge, chemical plant residual, soil remediation, house refuse, biomass, feces of livestock and poultry.
Brief description of the drawings
Fig. 1 is three-dimensional structure diagram of the present utility model；
Fig. 2 is the sectional view of pyrolysis desorption body of heater in the utility model；
Fig. 3 is the sectional view of exhaust gas treating device in the utility model
Fig. 4 is the structural representation of embodiment 4 in the utility model；
Fig. 5 is the structural representation of embodiment 5 in the utility model.
Embodiment
Specific examples below is only to explain of the present utility model, and it is not to limitation of the present utility model, sheet
Art personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read,
But as long as all being protected in right of the present utility model by Patent Law.
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
According to Fig. 1~Fig. 3, a kind of pyrolyzing sludge desorption apparatus, including：
Pyrolysis desorption body of heater 1, pyrolysis desorption and the transmission of sludge for sludge, pyrolysis desorption body of heater 1 is interior exocoel
Nested structure, including, hold sludge pyrolysis desorption chamber 101 and be coated on pyrolysis desorption chamber 101 outside heating chamber 102, heat
Conveying mechanism 103 is provided with solution desorption chamber 101, conveying mechanism 103 is shaftless screw auger；Pyrolysis is desorbed 1 point of body of heater, on
The upper furnace body 1A and lower furnace body 1B of lower setting, set the adding both of hot gas rising passway 11 between upper furnace body 1A and lower furnace body 1B
Hot chamber 102 is connected, and sets material dropping channel 12 to connect both pyrolysis desorption chambers 101 between upper furnace body 1A and lower furnace body 1B
Logical, hot gas rising passway 11 is with material dropping channel 12 apart from one another by setting；
Hot gas generating means 2, for producing hot gas, including burner 21 and gas distributing chamber 22,12 points of gas distributing chamber
It is not connected in the heating chamber 102 and burner 21 with lower furnace body 1B, gas distributing chamber 22 passes through ajutage 221 and lower furnace body
1B heating chamber 102 is connected, and gas distributing chamber 22 is connected by air inlet pipe 223 with burner 21, and the outer wall of gas distributing chamber 22 is set
It is equipped with relief hole 222；
Material inlet 3, is arranged on the one end of upper furnace body 1A away from material dropping channel 12；
Material outlet 4, is arranged on the one end of lower furnace body 1B away from material dropping channel 12；
Mixed gas passage 5, gaseous mixture is produced for transmitting in pyrolysis desorption process, is connected, is mixed with pyrolysis desorption chamber 101
The top of gas passage 5 sets pressure relief safety valve 51；
Exhanst gas outlet 6, is arranged on the top of pyrolysis desorption body of heater 1, and connect with heating chamber 102.
Exhaust gas treating device 8, exhaust gas treating device 8 includes, spray thrower 81, steam trap 82, water tank 83 and fixed gas outlet
84, spray thrower 81 is connected with mixed gas passage 5, and water tank 83 is arranged on the bottom of spray thrower 81, the air inlet of steam trap 82 with
The exhaust outlet of spray thrower 81 is connected, and the leakage fluid dram of steam trap 82 is located at the top of water tank 83, and water tank 83 passes through water pump 831 and water
Pipe 832 is connected with the shower 811 of spray thrower 81.
Embodiment 2：
According to Fig. 1, pyrolysis desorption body of heater 1, material inlet 3 and material outlet 4 are arranged in the first skid 91, hot gas
Generating means 2 and exhaust gas treating device 8 are arranged in the second skid 92, detachable company between the first skid 91 and the second skid 92
Connect.
Embodiment 3：
Pyrolysis desorption apparatus is also included to show in gas generator figure, and gas generator is nitrogen gas generating device or overheat
Steam raising plant, the gas vent of gas generator is directly connected with pyrolysis desorption chamber 101, passes through nitrogen or superheated steam
Oily sludge is directly heated in the protective atmosphere of anaerobic or anoxic as protection gas.
Embodiment 4：
According to Fig. 4, pyrolysis desorption body of heater 1 includes, two upper furnace body 1A and two lower furnace body 1B, two upper furnace bodies
1A heating chamber 102 is interconnected, and two lower furnace body 1B heating chamber 102 is interconnected.
Embodiment 5：
It is with the difference of above-described embodiment 1, according to Fig. 5, hot gas rising passway 11 is coated on material and falls to leading to
The outside of road 12.
Claims (10)
1. a kind of pyrolyzing sludge desorption apparatus, it is characterised in that including：
Pyrolysis desorption body of heater（1）, pyrolysis desorption and the transmission of sludge for sludge, the pyrolysis desorption body of heater（1）To be interior
The nested structure of exocoel, including, hold the pyrolysis desorption chamber of sludge（101）Chamber is desorbed with the pyrolysis is coated on（101）Outer
Heating chamber（102）, the pyrolysis desorption chamber（101）Inside it is provided with conveying mechanism（103）；
The pyrolysis desorption body of heater（1）It is divided into, upper furnace body setting up and down（1A）And lower furnace body（1B）, the upper furnace body（1A）With
Lower furnace body（1B）Between set hot gas rising passway（11）By both heating chambers（102）Connection, the upper furnace body（1A）With under
Body of heater（1B）Between set material dropping channel（12）Both pyrolysis are desorbed chamber（101）Connection；
Hot gas generating means（2）, for producing hot gas, including burner（21）And gas distributing chamber（22）, the gas distribution
Room（12）Respectively at the lower furnace body（1B）Heating chamber（102）And the burner（21）It is connected；
Material inlet（3）, it is arranged on the upper furnace body（1A）Away from the material dropping channel（12）One end；
Material outlet（4）, it is arranged on the lower furnace body（1B）Away from the material dropping channel（12）One end；
Mixed gas passage（5）, gaseous mixture is produced for transmitting in pyrolysis desorption process, with the pyrolysis desorption chamber（101）Connection；
Exhanst gas outlet（6）, it is arranged on the pyrolysis desorption body of heater（1）Top, and with the heating chamber（102）Connection.
2. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the pyrolysis desorption apparatus also includes
There is a gas generator, the gas generator is nitrogen gas generating device or superheated steam producer, the gas generator
Gas vent is directly desorbed chamber with pyrolysis（101）It is connected.
3. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the described pyrolysis desorption apparatus is also
Including exhaust gas treating device（8）, the exhaust gas treating device（8）Including spray thrower（81）, steam trap（82）, water tank（83）With
Fixed gas is exported（84）, the spray thrower（81）With the mixed gas passage（5）It is connected, the water tank（83）It is arranged on spray thrower
（81）Bottom, the steam trap（82）Air inlet and the spray thrower（81）Exhaust outlet be connected, steam separation
Device（82）Leakage fluid dram be located at the water tank（83）Top, the water tank（83）Pass through water pump（831）And water pipe（832）With it is described
Spray thrower（81）Shower（811）It is connected.
4. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the hot gas rising passway（11）
It is coated on the material dropping channel（12）Outside.
5. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the hot gas rising passway（11）
With the material dropping channel（12）Apart from one another by setting.
6. a kind of pyrolyzing sludge desorption apparatus according to claim 3, it is characterised in that the pyrolysis is desorbed body of heater（1）、
Material inlet（3）And material outlet（4）It is arranged on the first skid（91）It is interior, the hot gas generating means（2）At the tail gas
Manage device（8）It is arranged on the second skid（92）It is interior, first skid（91）With second skid（92）Between detachable company
Connect.
7. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the mixed gas passage（5）Top
Portion sets pressure relief safety valve（51）.
8. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the gas distributing chamber（22）It is logical
Cross ajutage（221）With the lower furnace body（1B）Heating chamber（102）Connection, the gas distributing chamber（22）Pass through air inlet pipe
（223）With the burner（21）Connection.
9. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that the gas distributing chamber（22）Outside
Wall is provided with relief hole（222）.
10. a kind of pyrolyzing sludge desorption apparatus according to claim 1, it is characterised in that pyrolysis desorption body of heater（1）Bag
Include, two upper furnace bodies（1A）And two lower furnace bodies（1B）, two upper furnace bodies（1A）Heating chamber（102）It is interconnected,
Two lower furnace bodies（1B）Heating chamber（102）It is interconnected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720097046.9U CN206447827U (en) | 2017-01-25 | 2017-01-25 | A kind of pyrolyzing sludge desorption apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720097046.9U CN206447827U (en) | 2017-01-25 | 2017-01-25 | A kind of pyrolyzing sludge desorption apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635081A (en) * | 2017-01-25 | 2017-05-10 | 浙江宜可欧环保科技有限公司 | Pyrolyzation and desorption device for sludge |
-
2017
- 2017-01-25 CN CN201720097046.9U patent/CN206447827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635081A (en) * | 2017-01-25 | 2017-05-10 | 浙江宜可欧环保科技有限公司 | Pyrolyzation and desorption device for sludge |
| WO2018137388A1 (en) * | 2017-01-25 | 2018-08-02 | 浙江宜可欧环保科技有限公司 | Sludge pyrolysis desorption apparatus |
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