CN106904806A - The integrated treatment reactor and processing method of a kind of sludge wet oxidation - Google Patents
The integrated treatment reactor and processing method of a kind of sludge wet oxidation Download PDFInfo
- Publication number
- CN106904806A CN106904806A CN201710285278.1A CN201710285278A CN106904806A CN 106904806 A CN106904806 A CN 106904806A CN 201710285278 A CN201710285278 A CN 201710285278A CN 106904806 A CN106904806 A CN 106904806A
- Authority
- CN
- China
- Prior art keywords
- sludge
- reactor
- gas
- zoneofoxidation
- guide shell
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses the integrated treatment reactor and processing method of sludge wet oxidation, reactor includes pyrohydrolysis area and zoneofoxidation and the outside bag of reactor is provided with heat-preserving heating jacket, and the bottom that agitator and pyrohydrolysis area are provided with pyrohydrolysis area is provided with slag-drip opening；Guide shell is set in zoneofoxidation, and guide shell is set along the short transverse of zoneofoxidation and the top of guide shell has extension mouth；It is provided with the side wall of zoneofoxidation at the top of sludge import, product exit and gas access and zoneofoxidation and is provided with gas vent, sludge import is opened in the lower section of the extension mouth of guide shell, gas access is opened in the lower section of sludge import and positioned at the bottom of zoneofoxidation, product exit is opened in the top of the extension mouth of guide shell, gas access and the first gas distributor connection being arranged between guide shell and the side wall of zoneofoxidation, are provided with sludge disperser at sludge import.Processing method then carries out the integrated treatment of sludge wet-type oxidation degradation using above-mentioned reactor.
Description
Technical field
The present invention relates to the technical field of Treatment of Sludge, more particularly, it is related to a kind of integration of sludge wet oxidation
Treatment reactor and processing method.
Background technology
Sludge wet oxidation is, after the another Treatment of Sludge mode after burning, landfill, anaerobic fermentation, aerobic compost, to utilize
Gaseous oxidant " wet combustion " is carried out to the organic matter in sludge under high temperature, high pressure with reach sludge reduction, it is innoxious,
Stabilized purpose.
Existing Wet Oxidation Process all contains two critical process steps substantially：1) preprocessing process of sludge, city
(viscosity of aqueous about 80%) is big, low without mobility, mass-and heat-transfer efficiency, directly processes for the particularly municipal dewatered sludge of political affairs sludge
There is very big difficulty, all first sludge can be pre-processed typically before wet oxidation, change the proterties of dewatered sludge, reduce viscous
Degree, increase mobility, this process is the pyrohydrolysis of sludge by the way of；2) oxidation of pyrohydrolysis sludge, it is dirty in pyrohydrolysis
Sludge is further processed at high temperature under high pressure using oxygen/air on the basis of mud.
In the prior art, Chinese patent literature CN104341082A is entered in hydrolytic reaction pot using high-temperature steam to sludge
It is input into high-temperature oxydation tower after row pyrohydrolysis to be aoxidized, Chinese patent literature CN102786190A is using the liquid of heat in pretreatment
Input oxidation reactor is further processed after carrying out pyrohydrolysis to primary sludge in device.But at such sludge wet oxidation
Two main devices have been comprised at least in reason flow：Pyrohydrolysis reactor (or preatreating reactors) and wet oxidation reaction device,
Reaction system is numerous and diverse, floor space is high, economy is low.
It is existing to be related in sludge wet oxidation patent most of reactor using semi-batch tank reactor, such as China specially
Sharp document CN201981109U, Chinese patent literature CN105776794A.Sludge enters reactor from entrance, at high temperature under high pressure
Sludge outlet discharge after maintenance certain residence time from below.But such reactor mass-transfer efficiency is low, stirring is uneven very
Hot-spot is easily caused, the mode of operation of semi-batch is also more bothered.Meanwhile, the wet oxidation process of sludge is a heat release
Reaction, can produce the gaseous product of HTHP, existing sludge wet-type oxidation technology to be directed to this portion gas all only after oxidation
The heat in waste gas is make use of, but in fact in the gas of reactor discharge still containing some oxygen of reaction that is not able to do in time
Gas.
The content of the invention
In order to solve technical problem present in prior art, it is an object of the invention to provide a kind of heat for having merged sludge
Hydrolysis and oxidizing process and ensure abundant mass transfer and reaction sludge wet oxidation integrated treatment reactor and processing method.
An aspect of of the present present invention provides a kind of integrated treatment reactor of sludge wet oxidation, and the reactor includes
The outside bag of zoneofoxidation and reactor positioned at the pyrohydrolysis area of reactor lower part and positioned at reactor middle and upper part is provided with insulation
Heating mantle, wherein,
The bottom that agitator and pyrohydrolysis area are provided with the pyrohydrolysis area is provided with slag-drip opening；
Guide shell is set in the zoneofoxidation, and the guide shell is set along the short transverse of zoneofoxidation and guide shell
Top has extension mouth；Sludge import, product exit and gas access and zoneofoxidation are provided with the side wall of the zoneofoxidation
Top is provided with gas vent, and the sludge import is opened in the lower section of the extension mouth of the guide shell, and the gas access is opened
It is located at the lower section of sludge import and positioned at the bottom of zoneofoxidation, the product exit is opened in the extension mouth of the guide shell
Top, wherein, the gas access and the first gas distributor being arranged between the guide shell and the side wall of zoneofoxidation connect
Connect, sludge disperser is provided with the sludge import.
One embodiment of integrated treatment reactor according to sludge wet oxidation of the present invention, in the pyrohydrolysis area
Agitator is magnetic stirrer, and the rotary shaft of the magnetic stirrer is not directly connected to transmission with the output shaft of motor；The row
The quantity of cinder notch is at least one.
One embodiment of integrated treatment reactor according to sludge wet oxidation of the present invention, the heat-preserving heating jacket
Heating medium is electricity, oily or steam, and when using oil or steam as heating medium, the Heat preservation puts and is additionally provided with Jie
Matter entrance and media outlet.
One embodiment of integrated treatment reactor according to sludge wet oxidation of the present invention, in reactor start-up most
The first stage is heated using the heat-preserving heating jacket to reactor, and heating is stopped after stable reaction, wherein, on reactor also
It is provided with temperature measuring unit and pressure measuring unit.
One embodiment of integrated treatment reactor according to sludge wet oxidation of the present invention, the gas access is passed through
Gaseous oxidant be oxygen and/or air, the sludge that the sludge import is passed through is the sludge that water content is 80~90%；Institute
It is 150~350 DEG C to state the reaction temperature in reactor, and pressure is 2~20MPa.
One embodiment of integrated treatment reactor according to sludge wet oxidation of the present invention, the top of the zoneofoxidation
With the gas compartment, reacted waste gas passes through gas vent outflow reactor after entering the gas compartment, wherein, a part
Waste gas is back in reactor after pressurizeing again, and another part waste gas is used to preheat fresh sludge or gaseous oxidant or direct
Discharged after carrying out vent gas treatment.
One embodiment of integrated treatment reactor according to sludge wet oxidation of the present invention, the side wall of the zoneofoxidation
On be additionally provided with circulating air entrance, the circulating air entrance by external gas circuit be connected with the gas vent with will a part it is useless
Gas is back in reactor, wherein, the circulating air entrance is opened in the lower section of sludge import and in the top of gas access, institute
The second gas distributor connection stated circulating air entrance and be arranged between the guide shell and the side wall of zoneofoxidation.
It is wet using above-mentioned sludge another aspect provides a kind of integral treatment method of sludge wet oxidation
The integrated treatment reactor of formula oxidation carries out the integrated treatment of sludge wet-type oxidation degradation, the sludge after being processed.
One embodiment of integral treatment method according to sludge wet oxidation of the present invention, methods described includes following step
Suddenly：
A, first by the liquid level lifting control in reactor to aoxidizing more than product exit, the gas for being forced into predetermined pressure
Agent passes through gas access and first gas distributor into uniform bubbling in the zoneofoxidation of reactor, while opening heat-preserving heating jacket
Temperature in reactor is heated to predetermined temperature；
B, sludge is passed through in reactor after the sludge disperser of sludge import disperses, sludge sinks to reactor lower part
Pyrohydrolysis area and in the presence of agitator mix, hydrolysis become sludge slurry；The sludge slurry pyrohydrolysis area top with
Current enter zoneofoxidation and by the up-flow interior circulation inside and outside guide shell and the gaseous oxidant haptoreaction and release
Substantial amounts of reaction heat, heating is stopped after question response stabilization；
C, the bulk sandstone that deposition is intermittently discharged from slag-drip opening, recycle by after the reaction that gas vent flows out
Waste gas, the sludge from after product exit extraction, until complete sludge wet-type oxidation degradation treatment, wherein, sludge is taken out
Output is highly controlled with the normal level of liquid being able to maintain that in reactor.
One embodiment of integral treatment method according to sludge wet oxidation of the present invention, a part of waste gas is added again
It is back in reactor after pressure, another part waste gas is used to preheat fresh sludge or gaseous oxidant or tail gas is directly carried out
Discharged after treatment.
The present invention incorporates sludge pyrohydrolysis and two processes of sludge wet oxidation in sludge wet oxidation process, same
Realize that sludge wet oxidation is processed in one reactor, be effectively improved the economy of sludge wet oxidation equipment, it is reasonable in design
And it is workable；Present invention reduces the limit value to feed sludge water content, from the dewatered sludge without mobility, (80% contains
Water) it is applicable to the sludge (90% water content) with mobility, directly fed without pretreatment；Reactor is out
Waste gas in include unreacted oxygen, during waste gas reenters reactor by extraneous gas circulation, improve gas anti-
The residence time in device is answered, sludge degradation efficiency is improve, the utilization rate of oxygen is also improved.
Brief description of the drawings
Fig. 1 shows the structure of the integrated treatment reactor of sludge wet oxidation according to an exemplary embodiment of the present invention
Schematic diagram.
Fig. 2 shows the structural representation of sludge disperser.
Description of reference numerals：
1- reactors, 2- pyrohydrolysis area, 3- zoneofoxidations, 4- agitators, 5- slag-drip openings, 6- guide shells, 7- extension mouths, 8- are dirty
Mud import, 9- product exits, 10- gas accesses, 11- gas vents, 12- circulating air entrance, 13- gas circulators, 14- first
Gas distributor, 15- second gas distributors.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent or with similar purpose by other
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
The invention provides a kind of reactor for being integrated with sludge hot hydrolysis-oxidation process, reactor is divided into pyrohydrolysis area
And zoneofoxidation, zoneofoxidation is formal to use the up-flow interior circulation reaction formation having compared with high mass transfer efficiency, is discharged after reaction
Waste gas passes through to be again introduced into the residence time of raising oxygen in reactor, having taken into account economy, reaction efficiency and treatment
The many aspects such as effect.
The structure and principle first to the integrated treatment reactor of sludge wet oxidation of the present invention are carried out specifically below
It is bright.
Fig. 1 shows the structure of the integrated treatment reactor of sludge wet oxidation according to an exemplary embodiment of the present invention
Schematic diagram.
As shown in figure 1, exemplary embodiment of the invention, the integrated treatment reactor of the sludge wet oxidation
The outside bag of zoneofoxidation 3 and reactor 1 including the pyrohydrolysis area 2 positioned at the bottom of reactor 1 and positioned at the middle and upper part of reactor 1
It is provided with heat-preserving heating jacket (not shown).Wherein, the pyrohydrolysis area 2 of bottom is used to realize the pyrohydrolysis of sludge, and zoneofoxidation 3 is used for real
The oxidative degradation of existing pyrohydrolysis sludge, heat-preserving heating jacket then realizes the heating and insulation effect to reactor.
Specifically, agitator 4 is provided with pyrohydrolysis area 2 and the bottom in pyrohydrolysis area 2 is provided with slag-drip opening 5.Hot water
Solution area 2 is located at the bottom of reactor, then when reactor works, sludge is into can directly sink to bottom and in high temperature after reactor
Hydrolyzed in the pyrohydrolysis area 2 of high pressure, the sludge after hydrolysis turns into the slurry condition that particle diameter is small, mobility is high, thus, it is possible to upper
Zoneofoxidation under the drive of portion's current into top carries out oxidative degradation.
Preferably, the agitator 4 in pyrohydrolysis area 2 uses magnetic stirrer, and magnetic stirrer rotary shaft not with
The output shaft of motor is directly connected to transmission, solves the problems, such as mechanical agitator with reactor bearing sealing failure and leakage, agitator 4
Lasting stirring action the sludge is uniformly heated, it is to avoid the situation of hot-spot.The slag-drip opening energy of the bottom of pyrohydrolysis area 2
Than larger solid of not allowing, such as bulk sandstone, the quantity of slag-drip opening 5 is preferably at least one to enough periodically discharge proportion.
The heat-preserving heating jacket for being heated to reactor is provided with outside reactor 1, the heating medium of heat-preserving heating jacket can
With using electricity, oil or steam, when using oil or steam as heating medium when, Heat preservation put be additionally provided with medium inlet and
Media outlet.And, it is only necessary to the initial period started in reactor 1 is heated using heat-preserving heating jacket to reactor 1, dirty
Liberated heat is enough to maintain the normal operation of whole reactor after mud starts reaction, and heating can be stopped after stable reaction.
For the ease of the temperature and pressure situation in detection reactor 1, temperature measuring unit and pressure measuring unit are additionally provided with reactor 1 (not
Show).
Also, guide shell 6 is provided with zoneofoxidation 3, guide shell 6 is set and water conservancy diversion along the short transverse of zoneofoxidation 3
The top of cylinder 6 has extension mouth 7；Sludge import 8, product exit 9 and gas access 10 and oxygen are provided with the side wall of zoneofoxidation 3
The top for changing area 3 is provided with gas vent 9, and sludge import 8 is opened in the lower section of the extension mouth 7 of guide shell 6, and gas access 10 is opened
It is located at the lower section of sludge import 8 and positioned at the bottom of zoneofoxidation 3, product exit 9 is opened in the upper of the extension mouth 7 of guide shell 6
Side, gas access 10 and the first gas distributor 14 being arranged between guide shell 6 and the side wall of zoneofoxidation 3 are connected, and sludge enters
Sludge disperser is provided with mouth 8.Wherein, first gas distributor 14 is in fact that ring is located at outside guide shell 6 and can lead
Equably realize that gas sprays and is distributed, the gas vent court of first gas distributor 15 between flow cartridge 6 and the side wall of zoneofoxidation 3
Upper setting.Fig. 2 shows the structural representation of sludge disperser, as shown in Fig. 2 sludge disperser is AND DEWATERING FOR ORIFICE STRUCTURE form, greatly
Block sludge enters reactor after sludge disperser is dispersed into fritter, is conducive to effectively carrying out for subsequent treatment.Additionally, in order to
The extraction of product is convenient for, product exit 9 is preferably provided in the opposite side of sludge import.
Wherein, the gaseous oxidant that gas access 10 is passed through is oxygen and/or air, preferably oxygen；Sludge import 8 is led to
The sludge for entering is the sludge that water content is 80~90%, and reactor of the invention reduces the limitation to feed sludge water content,
It is applicable to the sludge (90% is aqueous) with mobility from the dewatered sludge (80% is aqueous) without mobility, without pretreatment
Directly feed；The mud that product exit 9 is used for after continuous extraction, the liquid level in maintenance reaction device；Gas vent 11
Then it is used to discharge the waste gas after sludge reaction.Preferably, the reaction temperature in reactor of the present invention 1 is 150~350 DEG C, pressure
It is 2~20MPa.
Zoneofoxidation 3 is actually up-flow inner circulation structure, passes through by the gaseous oxidant (air/oxygen) after pressurization
Gas access 10 and first gas distributor 14 enter zoneofoxidation 3, drive the pyrohydrolysis mud in bed to flow up, and form gas
Liquid solid three-phase fluid.When three-phase fluid reach guide shell 6 extension mouth 7 height when, gas kept because the small buoyancy of density is big to
Upper flowing is turned over greatly stream because of density and is entered in extension mouth 7 and inside guide shell 6 up to gas vent 11, liquid and sludge bulky grain
Guide shell 6 is flowed downward out, the exterior space between guide shell 6 and zoneofoxidation side wall is reentered, continued under the drive of air-flow
Flow up, form the self-loopa process that a complete cycle cake maintains whole reaction system.Mud granule is in guide shell 6
Outer not section circulation, increased residence time of the sludge in zoneofoxidation 3, and the organic matter in sludge is fully degraded and obtained everywhere
Sludge after reason.It follows that the set location of above-mentioned each mouth of reactor is closely related with overall structure and technique and non-
Often important, it directly determines that can reaction be normally carried out and circulate normally maintain.
Air and/or oxygen are entered after reactor 1 by gas access 10, are transported upwards in reactor in bubbling mode
Mud is moved and driven in the interior circulation of reactor 1.A large amount of minute bubbles, minute bubbles can be formed by controlling gas flow in zoneofoxidation 3
Specific surface area is larger, it is possible to increase the mass-transfer efficiency of gas-liquid-solid three-phase.Reacted waste gas (including unreacted air, oxygen,
Vapor and the gas of reaction generation) from ullage leave reaction zone and discharge.Wherein, the top of zoneofoxidation 3 also has gas
Body space, reacted waste gas passes through the outflow reactor 1. of gas vent 11 again after entering the gas compartment by foam removal
Preferably, in order to effectively utilize reacted waste gas, after a part of waste gas pressurizes again through the grade of gas circulator 13
It is recycled back in reactor 1, another part waste gas is used to preheat fresh sludge or gaseous oxidant or directly carries out tail gas
Discharged after treatment, improve the utilization rate of oxygen.
Accordingly, circulating air entrance 12 is additionally provided with the side wall of zoneofoxidation 3, circulating air entrance 12 is by external gas circuit
It is connected with gas vent 11 and is back in reactor 1 with by a part of waste gas, wherein, circulating air entrance 12 is opened in sludge import
8 lower section and in the top of gas access 10, circulating air entrance 12 and is arranged between guide shell 6 and the side wall of zoneofoxidation 3
Second gas distributor 15 is connected.Similarly, second gas distributor 15 is in fact also that ring is located at outside guide shell 6 and can
Gas ejection is equably realized between guide shell 6 and the side wall of zoneofoxidation 3 and in the top of first gas distributor 14 and divide
Cloth, the gas vent of second gas distributor 16 is set upward, improves the gas residence time in the reactor, and further carry
Sludge degradation efficiency high and oxygen utilization rate.
For the defect of sludge wet oxidation processing equipment in the prior art, the present invention proposes a kind of highly integrated anti-
Device is answered, the pyrohydrolysis and oxidizing process of sludge has been merged, practicality is higher；Also, reactor of the invention is actually a kind of
Up-flow interior circulation flow reactor, sludge bubble ratio in reactor interior circulation ensure that its residence time, and reactor
Surface area is larger, and alternate contact is good and mass-transfer efficiency is high；Additionally, reacted waste gas circulation is passed through reactor by the present invention again
In, the gaseous oxidant residence time in the reactor can be increased, the utilization rate of oxygen is improved, carried significantly in economy
Rise.To sum up, the present invention proposes rational solution for prior art, tries hard to be found most in economy and treatment effeciency
Good scheme, in can be applied to Practical Project in the future.
Next, then the integral treatment method to sludge wet oxidation of the invention is specifically described.It is of the invention
Method carries out the integrated treatment of sludge wet-type oxidation degradation using the integrated treatment reactor of above-mentioned sludge wet oxidation, obtains
Sludge after to treatment.Specifically, the method is comprised the following steps：
A, first by the liquid level lifting control in reactor to aoxidizing more than product exit, the gas for being forced into predetermined pressure
Agent passes through gas access and first gas distributor into uniform bubbling in the zoneofoxidation of reactor, while opening heat-preserving heating jacket
Temperature in reactor is heated to predetermined temperature；
B, sludge is passed through in reactor after the sludge disperser of sludge import disperses, sludge sinks to reactor lower part
Pyrohydrolysis area and in the presence of agitator mix, hydrolysis become sludge slurry；The sludge slurry pyrohydrolysis area top with
Current enter zoneofoxidation and by the up-flow interior circulation inside and outside guide shell and the gaseous oxidant haptoreaction and release
Substantial amounts of reaction heat, heating is stopped after question response stabilization；
C, the bulk sandstone that deposition is intermittently discharged from slag-drip opening, recycle by after the reaction that gas vent flows out
Waste gas, the sludge from after product exit extraction, until complete sludge wet-type oxidation degradation treatment, wherein, sludge is taken out
Output is highly controlled with the normal level of liquid being able to maintain that in reactor.
During reaction, it is back in reactor after preferably a part of waste gas is pressurizeed again, by another part
Waste gas be used to preheat fresh sludge or gaseous oxidant or directly carry out vent gas treatment after discharge.
With reference to specific embodiment to the integrated treatment reactor and processing method of sludge wet oxidation of the invention
It is described further.
Integrated treatment reactor shown in Fig. 1 is used for sludge oxidative degradation, is needed liquid level before reactor start-up first
It is promoted to more than product exit.Air and/or oxygen pressing are entered to 5MPa and from gas access and first gas distributor
Uniform bubbling is carried out in the zoneofoxidation of reactor, drives current to be circulated in inside reactor when bubble is moved upwards.
The start-up temperature of the heating mantle maintenance reaction device of reactor external insulation is at 250 DEG C.Heating medium can using electricity,
Oil or steam, when using oil or steam, correspondingly set medium inlet and outlet on muff.Reactor heating is only needed to
Carried out within a period of time that device has just started, liberated heat is enough to maintain the normal of whole reactor after sludge starts reaction
Operation.
The sludge that water content is 80~90% is passed through from the sludge disperser dispersion of sludge import, sludge sinks to bottom
Pyrohydrolysis area simultaneously starts to mix in the presence of magnetic stirrer, hydrolyzes, and sludge character changes, by not having consolidating for mobility
Body is changed into the slurry with certain fluidity, then enters zoneofoxidation and air and/or oxygen with current at the top in pyrohydrolysis area
Gas haptoreaction simultaneously releases substantial amounts of reaction heat.Temperature measuring unit is set on reactor to monitor the temperature in reactor as 250 DEG C,
I.e. when external heat is stopped after stable reaction, the reaction heat maintenance reaction released using reaction is carried out.
Reacted mud is extracted out from product exit, and extracted amount is highly controlled with maintaining normal level of liquid.Mud with
Gas is flowed up between guide shell and zoneofoxidation side wall, and when reaching expansion open height, heavier mud granule ploughs under water conservancy diversion
Cylinder inside and from guide shell bottom outflow reenter circulation.Slurries gas content outside guide shell is high, density is low and to
Upper flowing；Slurries gas content inside guide shell is low, density is high and moves downward, and maintains the self-loopa of whole reaction system
Journey.Cyclic process increased residence time of the sludge in zoneofoxidation, and the organic matter in sludge is fully degraded.Reacting
Cheng Zhong, the bulk sandstone for being deposited on bottom is intermittently discharged from the slag-drip opening of reactor bottom.
Reacted waste gas (including gas of unreacted air, oxygen, vapor and reaction generation) flows upwards out liquid
Face enters the gas compartment with reactor top, by passing through gas vent outflow reactor after the demister of top.A part is useless
Gas is forced into slightly above system pressure and returns to reactor, another part from recyclegas entrance again under gas circulation pumping action
Waste gas enters downstream and can be used to preheat fresh sludge or oxidant by heat exchanger, can also be directly over vent gas treatment dress
Postpone discharge.
In sum, integrated treatment reactor of the invention and processing method incorporate dirt in sludge wet oxidation process
Mud pyrohydrolysis and two processes of sludge wet oxidation, realize that sludge wet oxidation is processed in same reactor, effectively carry
The economy of sludge wet oxidation equipment high, it is reasonable in design and workable；Present invention reduces aqueous to feed sludge
The limit value of amount, from the dewatered sludge (80% water content) without mobility to the sludge (90% water content) with mobility
It is applicable, directly fed without pretreatment；Unreacted oxygen is included in reactor waste gas out, waste gas passes through outside gas
Body circulation is reentered in reactor, improves the gas residence time in the reactor, improves sludge degradation efficiency, is also carried
The utilization rate of oxygen high.
The invention is not limited in foregoing specific embodiment.The present invention is expanded to and any in this manual disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of integrated treatment reactor of sludge wet oxidation, it is characterised in that the reactor includes being located at reactor
The outside bag of the pyrohydrolysis area of bottom and the zoneofoxidation positioned at reactor middle and upper part and reactor is provided with heat-preserving heating jacket, its
In,
The bottom that agitator and pyrohydrolysis area are provided with the pyrohydrolysis area is provided with slag-drip opening；
Guide shell, short transverse setting and the top of guide shell of the guide shell along zoneofoxidation are set in the zoneofoxidation
With extension mouth；The top of sludge import, product exit and gas access and zoneofoxidation is provided with the side wall of the zoneofoxidation
Gas vent is provided with, the sludge import is opened in the lower section of the extension mouth of the guide shell, and the gas access is opened in
The lower section of sludge import and positioned at the bottom of zoneofoxidation, the product exit is opened in the upper of the extension mouth of the guide shell
Side, wherein, the gas access and the first gas distributor being arranged between the guide shell and the side wall of zoneofoxidation are connected,
Sludge disperser is provided with the sludge import.
2. the integrated treatment reactor of sludge wet oxidation according to claim 1, it is characterised in that the pyrohydrolysis area
In agitator be magnetic stirrer, the rotary shaft of the magnetic stirrer is not directly connected to transmission with the output shaft of motor；Institute
The quantity for stating slag-drip opening is at least one.
3. the integrated treatment reactor of sludge wet oxidation according to claim 1, it is characterised in that the Heat preservation
The heating medium of set is electricity, oily or steam, and when using oil or steam as heating medium, the Heat preservation puts and also sets up
There are medium inlet and media outlet.
4. the integrated treatment reactor of sludge wet oxidation according to claim 1, it is characterised in that in reactor start-up
Initial period reactor is heated using the heat-preserving heating jacket, after stable reaction stop heating, wherein, reactor
On be additionally provided with temperature measuring unit and pressure measuring unit.
5. the integrated treatment reactor of sludge wet oxidation according to claim 1, it is characterised in that the gas access
The gaseous oxidant being passed through is oxygen and/or air, and the sludge that the sludge import is passed through is the dirt that water content is 80~90%
Mud；Reaction temperature in the reactor is 150~350 DEG C, and pressure is 2~20MPa.
6. the integrated treatment reactor of sludge wet oxidation according to claim 1, it is characterised in that the zoneofoxidation
There is the gas compartment, reacted waste gas to pass through gas vent outflow reactor after entering the gas compartment on top, wherein, one
Portion is back in reactor after pressurizeing again, another part waste gas be used to preheating fresh sludge or gaseous oxidant or
Discharged after directly carrying out vent gas treatment.
7. the integrated treatment reactor of sludge wet oxidation according to claim 6, it is characterised in that the zoneofoxidation
Circulating air entrance is additionally provided with the wall of side, the circulating air entrance is connected with by one by external gas circuit with the gas vent
Waste gas is divided to be back in reactor, wherein, the circulating air entrance is opened in the lower section of sludge import and in the upper of gas access
Side, the circulating air entrance and the second gas distributor connection being arranged between the guide shell and the side wall of zoneofoxidation.
8. a kind of integral treatment method of sludge wet oxidation, it is characterised in that using any one of claim 1 to 7 institute
Stating the integrated treatment reactor of sludge wet oxidation carries out the integrated treatment of sludge wet-type oxidation degradation, after being processed
Sludge.
9. the integral treatment method of sludge wet oxidation according to claim 8, it is characterised in that methods described include with
Lower step：
A, first by the liquid level lifting control in reactor to leading to more than product exit, the gaseous oxidant for being forced into predetermined pressure
Gas access and first gas distributor into uniform bubbling in the zoneofoxidation of reactor are crossed, while open heat-preserving heating jacket will be anti-
The temperature in device is answered to be heated to predetermined temperature；
B, sludge is passed through in reactor after the sludge disperser of sludge import disperses, sludge sinks to the heat of reactor lower part
Hydrolysis area and in the presence of agitator mix, hydrolysis become sludge slurry；The sludge slurry pyrohydrolysis area top with current
Into zoneofoxidation and by the up-flow interior circulation inside and outside guide shell and the gaseous oxidant haptoreaction and release a large amount of
Reaction heat, question response stabilization after stop heating；
C, the bulk sandstone that deposition is intermittently discharged from slag-drip opening, recycle by the reacted useless of gas vent outflow
Gas, the sludge from after product exit extraction, until the wet-type oxidation degradation treatment of sludge is completed, wherein, sludge extracted amount
Highly it is controlled with the normal level of liquid being able to maintain that in reactor.
10. the integral treatment method of sludge wet oxidation according to claim 9, it is characterised in that by a part of waste gas
Again it is back in reactor after pressurizeing, another part waste gas is used to preheat fresh sludge or gaseous oxidant or is directly entered
Discharged after end of line gas disposal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285278.1A CN106904806B (en) | 2017-04-27 | 2017-04-27 | Integrated treatment reactor for wet oxidation of sludge and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285278.1A CN106904806B (en) | 2017-04-27 | 2017-04-27 | Integrated treatment reactor for wet oxidation of sludge and treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106904806A true CN106904806A (en) | 2017-06-30 |
| CN106904806B CN106904806B (en) | 2023-04-25 |
Family
ID=59209877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710285278.1A Active CN106904806B (en) | 2017-04-27 | 2017-04-27 | Integrated treatment reactor for wet oxidation of sludge and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106904806B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758830A (en) * | 2017-11-22 | 2018-03-06 | 江苏省环境科学研究院 | The reactor of dismountable wet oxidation processing waste water |
| CN108218217A (en) * | 2018-04-11 | 2018-06-29 | 王丽 | A kind of preform for fiber manufacturing manufactures device |
| CN108773992A (en) * | 2018-04-02 | 2018-11-09 | 苏伊士水务工程有限责任公司 | Sludge treatment system and method for treating sludge by using same |
| CN109970315A (en) * | 2019-03-08 | 2019-07-05 | 同济大学 | A kind of High Efficiency Thermal hydrolysis apparatus and method of municipal sludge |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155848A (en) * | 1976-06-25 | 1979-05-22 | Nippon Petrochemicals Co., Ltd. | Wet oxidation of wastes with circulation |
| KR810000774B1 (en) * | 1978-12-26 | 1981-07-06 | 제이므즈 에이취 루우서 | Removal of solids from a wet oxidation reactor |
| DE4427843C1 (en) * | 1994-07-28 | 1996-01-18 | Mannesmann Ag | Deep shaft reactor for wet oxidn. of sludge |
| US5674405A (en) * | 1995-07-28 | 1997-10-07 | Modar, Inc. | Method for hydrothermal oxidation |
| US20040060863A1 (en) * | 2001-02-14 | 2004-04-01 | Hojsqaard Soren J. | Method and installation for the thermal hydrolysis of sludge |
| JP2004243280A (en) * | 2003-02-17 | 2004-09-02 | Kurita Water Ind Ltd | Method and apparatus for aerobic digestion process of sludge |
| CN1668539A (en) * | 2002-08-05 | 2005-09-14 | Otv股份有限公司 | Method and facility for treatment of sludge derived from biological water purification facilities |
| FR2874513A1 (en) * | 2004-08-25 | 2006-03-03 | Commissariat Energie Atomique | DIPOSITIVE AND PLANT FOR INJECTING PARTICULATE MATERIALS IN AN ENCLOSURE AND ASSOCIATED METHOD. |
| CN101037271A (en) * | 2007-04-28 | 2007-09-19 | 阮文权 | Biological desulfurizing device for transforming sulfur-containing compound to elemental sulfur |
| US20090308726A1 (en) * | 2008-06-17 | 2009-12-17 | Forschungszentrum Karlsruhe Gmbh | Process and device for converting biomass to gaseous products |
| CN201981109U (en) * | 2011-01-30 | 2011-09-21 | 北京绿创生态科技有限公司 | Stabilization kettle for sludge treatment |
| DE102010062833B3 (en) * | 2010-12-10 | 2012-06-06 | Helmholtz-Zentrum Für Umweltforschung Gmbh - Ufz | Hydrothermal carbonization of biomass in a deep shaft reactor, comprises providing flowable starting mixture, supplying the starting mixture and maintaining the downstream reducing conditions |
| KR20120071623A (en) * | 2010-12-23 | 2012-07-03 | 한국건설기술연구원 | Flow guide type gpv-wao reactor |
| CN102786190A (en) * | 2012-07-06 | 2012-11-21 | 北京绿创生态科技有限公司 | Method for rapid recycling of sludge |
| CN103030206A (en) * | 2012-12-20 | 2013-04-10 | 新奥科技发展有限公司 | Supercritical water treatment device and method |
| CN103391988A (en) * | 2010-10-29 | 2013-11-13 | 埃讷肯公司 | Production of synthesis gas by heating oxidized biomass with a hot gas obtained from the oxidation of residual products |
| CN103848528A (en) * | 2012-12-04 | 2014-06-11 | 株式会社理光 | Fluid purification system |
| US20150191384A1 (en) * | 2012-06-20 | 2015-07-09 | Degremont | Method for treating organic waste, in particular sludge from wastewater treatment plants, and facility for implementing said method |
| CN105060662A (en) * | 2015-07-28 | 2015-11-18 | 彭丽 | Sludge treating method and apparatus |
| CN205170774U (en) * | 2015-10-30 | 2016-04-20 | 上海市政工程设计研究总院（集团）有限公司 | Mud schizolysis gasification equipment |
| CN105776794A (en) * | 2016-03-22 | 2016-07-20 | 上海环谷投资管理有限公司 | Method for catalytic wet oxidation of industrial sludge |
| CN205528607U (en) * | 2016-02-24 | 2016-08-31 | 东方电气集团东方锅炉股份有限公司 | Device is utilized to living beings |
| CN105967490A (en) * | 2016-06-27 | 2016-09-28 | 东方电气集团东方锅炉股份有限公司 | Method and continuous system for treating wet organic waste |
| CN206736052U (en) * | 2017-04-27 | 2017-12-12 | 东方电气集团东方锅炉股份有限公司 | A kind of integrated treatment reactor of sludge wet oxidation |
-
2017
- 2017-04-27 CN CN201710285278.1A patent/CN106904806B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155848A (en) * | 1976-06-25 | 1979-05-22 | Nippon Petrochemicals Co., Ltd. | Wet oxidation of wastes with circulation |
| KR810000774B1 (en) * | 1978-12-26 | 1981-07-06 | 제이므즈 에이취 루우서 | Removal of solids from a wet oxidation reactor |
| DE4427843C1 (en) * | 1994-07-28 | 1996-01-18 | Mannesmann Ag | Deep shaft reactor for wet oxidn. of sludge |
| US5674405A (en) * | 1995-07-28 | 1997-10-07 | Modar, Inc. | Method for hydrothermal oxidation |
| US20040060863A1 (en) * | 2001-02-14 | 2004-04-01 | Hojsqaard Soren J. | Method and installation for the thermal hydrolysis of sludge |
| CN1668539A (en) * | 2002-08-05 | 2005-09-14 | Otv股份有限公司 | Method and facility for treatment of sludge derived from biological water purification facilities |
| JP2004243280A (en) * | 2003-02-17 | 2004-09-02 | Kurita Water Ind Ltd | Method and apparatus for aerobic digestion process of sludge |
| FR2874513A1 (en) * | 2004-08-25 | 2006-03-03 | Commissariat Energie Atomique | DIPOSITIVE AND PLANT FOR INJECTING PARTICULATE MATERIALS IN AN ENCLOSURE AND ASSOCIATED METHOD. |
| CN101037271A (en) * | 2007-04-28 | 2007-09-19 | 阮文权 | Biological desulfurizing device for transforming sulfur-containing compound to elemental sulfur |
| US20090308726A1 (en) * | 2008-06-17 | 2009-12-17 | Forschungszentrum Karlsruhe Gmbh | Process and device for converting biomass to gaseous products |
| CN103391988A (en) * | 2010-10-29 | 2013-11-13 | 埃讷肯公司 | Production of synthesis gas by heating oxidized biomass with a hot gas obtained from the oxidation of residual products |
| DE102010062833B3 (en) * | 2010-12-10 | 2012-06-06 | Helmholtz-Zentrum Für Umweltforschung Gmbh - Ufz | Hydrothermal carbonization of biomass in a deep shaft reactor, comprises providing flowable starting mixture, supplying the starting mixture and maintaining the downstream reducing conditions |
| KR20120071623A (en) * | 2010-12-23 | 2012-07-03 | 한국건설기술연구원 | Flow guide type gpv-wao reactor |
| CN201981109U (en) * | 2011-01-30 | 2011-09-21 | 北京绿创生态科技有限公司 | Stabilization kettle for sludge treatment |
| US20150191384A1 (en) * | 2012-06-20 | 2015-07-09 | Degremont | Method for treating organic waste, in particular sludge from wastewater treatment plants, and facility for implementing said method |
| CN102786190A (en) * | 2012-07-06 | 2012-11-21 | 北京绿创生态科技有限公司 | Method for rapid recycling of sludge |
| CN103848528A (en) * | 2012-12-04 | 2014-06-11 | 株式会社理光 | Fluid purification system |
| CN103030206A (en) * | 2012-12-20 | 2013-04-10 | 新奥科技发展有限公司 | Supercritical water treatment device and method |
| CN105060662A (en) * | 2015-07-28 | 2015-11-18 | 彭丽 | Sludge treating method and apparatus |
| CN205170774U (en) * | 2015-10-30 | 2016-04-20 | 上海市政工程设计研究总院（集团）有限公司 | Mud schizolysis gasification equipment |
| CN205528607U (en) * | 2016-02-24 | 2016-08-31 | 东方电气集团东方锅炉股份有限公司 | Device is utilized to living beings |
| CN105776794A (en) * | 2016-03-22 | 2016-07-20 | 上海环谷投资管理有限公司 | Method for catalytic wet oxidation of industrial sludge |
| CN105967490A (en) * | 2016-06-27 | 2016-09-28 | 东方电气集团东方锅炉股份有限公司 | Method and continuous system for treating wet organic waste |
| CN206736052U (en) * | 2017-04-27 | 2017-12-12 | 东方电气集团东方锅炉股份有限公司 | A kind of integrated treatment reactor of sludge wet oxidation |
Non-Patent Citations (5)
| Title |
|---|
| KEVIN HII等: "A review of wet air oxidation and Thermal Hydrolysis technologies in sludge treatment" * |
| KEVINHII等: "A review of wet air oxidation and Thermal Hydrolysis technologies in sludge treatment", 《BIORESOURCE TECHNOLOGY》 * |
| 张宏哲: "剩余污泥低碳循环处理及资源化利用技术研究", 《安全、健康和环境》 * |
| 李维成等: "污泥湿式氧化试验研究及经济性分析", 《动力工程学报》 * |
| 罗宿星等: "市政污水处理厂剩余污泥减量化处理", 《广州化工》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758830A (en) * | 2017-11-22 | 2018-03-06 | 江苏省环境科学研究院 | The reactor of dismountable wet oxidation processing waste water |
| CN107758830B (en) * | 2017-11-22 | 2023-09-05 | 江苏省环境科学研究院 | Detachable wet oxidation wastewater treatment reactor |
| CN108773992A (en) * | 2018-04-02 | 2018-11-09 | 苏伊士水务工程有限责任公司 | Sludge treatment system and method for treating sludge by using same |
| CN108773992B (en) * | 2018-04-02 | 2024-08-20 | 苏伊士环境科技(北京)有限公司 | Sludge treatment system and method for treating sludge by using same |
| CN108218217A (en) * | 2018-04-11 | 2018-06-29 | 王丽 | A kind of preform for fiber manufacturing manufactures device |
| CN109970315A (en) * | 2019-03-08 | 2019-07-05 | 同济大学 | A kind of High Efficiency Thermal hydrolysis apparatus and method of municipal sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106904806B (en) | 2023-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206736052U (en) | A kind of integrated treatment reactor of sludge wet oxidation | |
| CN106904806A (en) | The integrated treatment reactor and processing method of a kind of sludge wet oxidation | |
| CN113511788B (en) | Organic solid waste wet oxidation treatment system and treatment process thereof | |
| CN105152506B (en) | High-temperature microaerobic-anaerobic digestion method for organic sludge | |
| CN106687418B (en) | Hydrothermal carbonization method and device for optimal mixing of sludge and steam | |
| WO2021128723A1 (en) | System and method for treating acrylic acid and ester waste water thereof | |
| CN208561948U (en) | A kind of organic wastewater catalytic ozonation processing system | |
| AU2877695A (en) | Wet oxidation system | |
| CN105085338B (en) | The production method and device of DMDS | |
| CN106315885A (en) | System and method for simultaneously performing circulation utilization on sewage, sludge and domestic garbage | |
| CN105502842B (en) | The waste water Fenton oxidation life assemblage processing method and its device that a kind of sludge circulation utilizes | |
| CN209555166U (en) | A kind of high humidity biomass gasification system | |
| CN113087192B (en) | Treatment system and method for cephalosporin wastewater | |
| CN210237230U (en) | Oxidation pond of printing and dyeing wastewater | |
| CN205270320U (en) | Kitchen garbage total matter deoiling system | |
| CN103894238A (en) | Equipment for converting combustible and explosive slurry into powder | |
| CN214781454U (en) | Sludge treatment system | |
| CN206872837U (en) | A kind of enriching apparatus for spraying gas-lifting type anaerobic methane oxidation microorganism | |
| CN105692951B (en) | The waste water iron-carbon reduction processing method and its device that a kind of iron cement recycles | |
| CN215327204U (en) | Efficient wet-type anaerobic reactor for treating kitchen waste | |
| CN205061839U (en) | Mud deoiling system | |
| CN212975145U (en) | Reation kettle is used in polyurethane waterproof coating production | |
| CN211733961U (en) | Processing system of waste water in sour production of H | |
| CN114832765A (en) | System and method for preparing acetylene and synthetic gas from natural gas | |
| CN206203975U (en) | The continuous wet-type oxidation technology equipment of degrading high concentration organic wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |