CN108862971A - A kind of highly viscous slurry temperature elevation system step by step - Google Patents
A kind of highly viscous slurry temperature elevation system step by step Download PDFInfo
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- CN108862971A CN108862971A CN201810596149.9A CN201810596149A CN108862971A CN 108862971 A CN108862971 A CN 108862971A CN 201810596149 A CN201810596149 A CN 201810596149A CN 108862971 A CN108862971 A CN 108862971A
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- heat exchanger
- temperature
- preheating
- high temperature
- hydrolytic decomposition
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- 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
- C02F11/086—Wet air oxidation in the supercritical state
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
Abstract
The invention discloses a kind of highly viscous slurry temperature elevation system step by step, including preheating hydrolytic decomposition pot, product pump, high temperature and pressure heat exchanger, reaction treatment unit, heat source, take heat utilization unit and subsequent processing units.For highly viscous slurry, it is handled by the strength mechanical disturbance rapid first-order heating in preheating hydrolytic decomposition pot with pyrohydrolysis viscosity reduction, and the heating strategy step by step of the second level preheating in high temperature and pressure heat exchanger, effectively realize the quasi- high efficient heat exchanging heating and lower resistance conveying for being preheated to supercritical temperature sludge, it has effectively pushed including sludge, efficient, the inexpensive implementation of all kinds of slurry supercritical water harmless treatments such as greasy filth, oil-sand, high viscosity organic matter and resource utilization process.
Description
Technical field
The invention belongs to sewage sludge harmlessness Treatment and recoveries to utilize field, in particular to a kind of highly viscous slurry rises step by step
Warm system.
Background technique
With All population capacities sustainable growth, industrialization, Development of China's Urbanization are quickly propelled, and town domestic sewage discharge amount is year by year
Rise.The emission pollution problem of all kinds of slurries such as greasy filth, oil-sand, high viscosity organic matter including sludge is prominent, with sludge
For processing, sludge quantity caused by the conventional treatment method of municipal sewage is sharply increased, according to statistics, annual whole nation moisture content
80% sludge yield has surpassed 30,000,000 tons.Its water content is big, and water is not easy to remove, and containing the salinity of suitable share, heavy metal,
The Pathogenic organisms such as toxic organic pollutant, bacterium and parasitic ovum difficult to degrade give out the smell of stench.Treatment of Sludge is set
The investment applied usually accounts for the 30%~40% of gross investment, even more than 50%.Processing and disposition to sludge have caused state
The great attention of family.Traditional treatment method, such as concentration, digestion, dehydration, landfill and composting process are intended to reduce moisture percentage in sewage sludge,
Improve sludge shape, but cannot accomplish thoroughly innoxious.Burning disposal is thorough, but can generate bioxin, SOX、NOXAnd flying dust
Etc. harmful substances.
Research and part industrial practice prove both at home and abroad, (refer to that temperature and pressure is respectively higher than 374.15 using supercritical water
DEG C, the special state water of 22.12MPa) peculiar property, supercritical water treatment technology (including supercritical Water Oxidation Technology, super faces
The water technology in boundary) the thorough harmless treatment and resource utilization of municipal sludge can be effectively realized.Supercritical water oxidation
Technology is that quick, thorough homogeneous reaction occurs using the sludge organic matter and oxidant that are completely soluble in supercritical water,
Carbon in organic matter is converted to carbon dioxide, and for the cycling of elements such as chlorine, sulphur, phosphorus at corresponding inorganic salts, nitrogen is most absolutely
Number is converted to nitrogen, realizes the effective, harmlessization processing of sludge.Supercritical water gasification technology is to be not added or adding small amounts
Under the premise of agent, so that organic matter homogeneous phase condition in supercritical water issues the reaction such as unboiled water solution, pyrolysis, generate based on hydrogen
Flammable gaseous product.
However, supercritical water treatment is a kind of high-temperature high-voltage reaction, pending mud, greasy filth etc., which are preheated, boosts to super face
Boundary's temperature, pressure is essential.The economy of supercritical water treatment technology is significantly improved with the increase of sludge solid content,
Thus the sludge solid content of super critical water treatment system charging is generally greater than 10wt.%.However, sewage sludge viscosity is with sludge solid content
Raising and improve, the room temperature viscosity of 10wt.% solid content sludge is usually above 10000mpa.s.
As it can be seen that all kinds of slurries such as high viscosity organic matter by taking sludge as an example have, poor fluidity, resistance coefficient be high, thermally conductive system
Therefore how the low disadvantage of number it is most important realizes that the low-resistance boosting conveying of highly viscous slurry heats up with high efficient heat exchanging.
Summary of the invention
It is big, heat exchange temperature rise effect difference in order to solve above-mentioned highly viscous slurry boosting transporting resistance existing in the prior art
Problem, the purpose of the present invention is to provide a kind of highly viscous slurry temperature elevation systems step by step.
The present invention is to be achieved through the following technical solutions:
A kind of highly viscous slurry disclosed by the invention temperature elevation system step by step, including:It is high to preheat hydrolytic decomposition pot, product pump, high temperature
Pressure heat exchanger, heat source, takes heat utilization unit and subsequent processing units at reaction treatment unit;
It is equipped with heat exchanger tube in preheating hydrolytic decomposition pot, enters preheating hydrolysis by the preheated hydrolytic decomposition pot entrance of pretreated slurry
Tank, the outlet of preheating hydrolysis tank shell are connected through product pump and high temperature and pressure inner tube of heat exchanger, the outlet of high temperature and pressure inner tube of heat exchanger
It is connected to reaction treatment unit;Thermal source outlet is connect with high temperature and pressure heat exchanger outer tube, high temperature and pressure heat exchanger outer tube outlet warp
Heat utilization unit is taken to be connected to the entrance of heat exchanger tube, the outlet of heat exchanger tube is connected to subsequent processing units;
Bypass control valve is set between heat exchanger tube import and export, for controlling the dirt of preheating hydrolysis tank shell outlet outflow
Mud temperature is not less than 170 DEG C;Bypass control valve is set between high temperature and pressure heat exchanger outer tube import and export, for maintaining high temperature height
Pressure inner tube of heat exchanger outlet sludge temperature reaches target supercritical water temperature.
Preferably, the preheating hydrolytic decomposition pot is the volumetric heat exchanger of the first order, and high temperature and pressure heat exchanger is the second level
Double pipe heat exchanger, but not limited to this, other can be realized the restriction for belonging to claim of similar functions.
Preferably, further include that pretreated allotment homogeneous unit is carried out to slurry, deploy in homogeneous unit to offer being used for
Slurry and the allotment entrance of water is added, the outlet for deploying homogeneous unit is connected to preheating hydrolytic decomposition pot arrival end through screw pump.
Preferably, stable-pressure device is equipped in preheating hydrolysis tank top.
Preferably, the agitating device being driven by motor is additionally provided in preheating hydrolytic decomposition pot.
It is further preferred that agitating device includes the drive shaft being connected to the motor, along drive shaft above heat exchanger tube pipeloop
One disc turbine type impeller-agitator is respectively set with lower section.
Preferably, the operating temperature of product pump is not less than 200 DEG C, and pressure is not less than 30MPa.
Preferably, when react in reaction treatment unit heat release when, fluid after reaction can be used as high temperature heat source, press
According to energy grade grade needed for component, it is followed successively by high temperature and pressure heat exchanger, heat utilization unit and preheating hydrolytic decomposition pot is taken to provide heat.
It is further preferred that reaction treatment unit merges use with heat source, it is used as high temperature heat source together, is changed for high temperature and pressure
Hot device takes heat utilization unit and preheating hydrolytic decomposition pot to provide heat.
Preferably, it is equipped on the pipeline that preheating hydrolytic decomposition pot is connected with product pump for monitoring the outlet of preheating hydrolysis tank shell
First thermometer of slurry temperature;It is equipped on the pipeline that high temperature and pressure heat exchanger is connected with reaction treatment unit for monitoring height
The second temperature meter of warm high pressure heat exchanger inner tube outlet slurry temperature.
Preferably, the slurry further includes all kinds of slurries such as greasy filth, oil-sand, organic matter other than sludge.
Preferably, the operation in subsequent processing units of the present invention, including:Depth harmless treatment, such as deamination take off
Phosphorus, except COD etc., cool down, condensation, the operation such as decompression, gas-liquid-solid three-phase separation.
Preferably, heat utilization unit is taken to be not limited to externally to be heated using heat source affluence heat, producing steam, or directly
Heat other process sections.
Compared with prior art, the invention has the following beneficial technical effects:
Highly viscous slurry disclosed by the invention temperature elevation system, including preheating hydrolytic decomposition pot, product pump, high temperature and pressure heat exchange step by step
The components such as device, reaction treatment unit and heat source;Highly viscous slurry is first completed into rapid first-order heating and heat in preheating hydrolytic decomposition pot
Viscosity reduction is hydrolyzed, then the slurry after level-one heating treatment is delivered to high temperature and pressure heat exchanger after product pump, completes second level preheating
Heating step by step.When level-one heating treatment, preheating temperature in hydrolytic decomposition pot and be up to 170 degrees Celsius or more, hydrolysis occurs for slurry,
Part of cellular material is broken, and colloidal substance dissolution, viscosity declines rapidly, will significantly increase slurry and change in second level high temperature and pressure
Heat exchange heating ability in hot device, reduces flow resistance of the slurry in heat exchanger and subsequent pipeline equipment, meanwhile, make in hydrolysis
Macromolecular with lower some of complex will be decomposed into the simple organic molecule for being easy to degrade, and be conducive to improve the innoxious place of subsequent slurry
The reaction efficiency of reason or resource utilization.Temperature elevation system of the invention passes through the design of two-stage heating structure, can effectively realize
The quasi- high efficient heat exchanging heating and lower resistance conveying for being preheated to supercritical temperature slurry, has effectively pushed including sludge, oil
All kinds of slurry supercritical water harmless treatments such as mud, oil-sand, high viscosity organic matter and resource utilization process it is efficient, inexpensive
Implement.
Further, the present invention is heated up using the twin-stage of the jacketed heat exchange of heat pipe of volumetric heat exchanger and is designed, and preheats hydrolytic decomposition pot
As first order volumetric heat exchanger, a disc turbine type leaf is respectively set in the upper and lower of internal axial direction spiral heat exchange tube circle
Take turns blender.Under the forceful action of two disc turbine type impeller-agitators, high-viscosity sludge has in preheating hydrolytic decomposition pot
Axial, tangential systemic circulation, and have tangential and radial eddying motion, Multidimensional and Hybrid, shear flow is presented, disturbance is violent, heat exchange
The pipe surface coefficient of heat transfer is high, greatly enhances homogeneous and the heat absorption heating of sludge.
Further, when in reaction treatment unit being exothermic reaction, reaction treatment unit is high temperature heat source, enough for height
Warm high pressure heat exchanger provides heat.The technology of the present invention is according to energy grade grade, and fluid is as second level high temperature after successively reacting
High pressure heat exchanger, the heat source for taking heat utilization unit, level-one preheating hydrolytic decomposition pot realize the classification reasonable distribution benefit of system thermal energy
With.
Further, it is equipped with stable-pressure device in preheating hydrolysis tank top, can effectively maintains regenerator preheating hydrolysis ladle bowl
Internal pressure is stable and liquid does not vaporize.
Detailed description of the invention
Fig. 1 is the highly viscous slurry temperature elevation system structural schematic diagram step by step of the embodiment of the present invention 1;
Fig. 2 is the highly viscous slurry temperature elevation system structural schematic diagram step by step of the embodiment of the present invention 2.
Wherein, 1- screw pump;2- preheats hydrolytic decomposition pot;3- product pump;4- high temperature and pressure heat exchanger;5- heat exchanger tube;6- pressure stabilizing
Device;U1- deploys homogeneous unit;U2- reaction treatment unit;U3- heat source;U2/U3- supercritical water oxidation unit;U4- takes
Heat utilization unit;U5- subsequent processing units;The first bypass control valve of V1-;The second bypass control valve of V2-;The first thermometer of T1-;
T2- second temperature meter.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
Embodiment 1
Referring to Fig. 1, a kind of highly viscous slurry of the invention temperature elevation system step by step, including:Preheat hydrolytic decomposition pot 2, product pump 3,
High temperature and pressure heat exchanger 4, heat source U3, takes heat utilization unit U4 and subsequent processing units U5 at reaction treatment unit U2;
It is equipped with heat exchanger tube 5 in preheating hydrolytic decomposition pot 2, is entered by preheated 2 housing inlet port of hydrolytic decomposition pot of pretreated slurry
Hydrolytic decomposition pot 2 is preheated, preheating 2 housing outlets of hydrolytic decomposition pot are connected through product pump 3 and 4 inner tube of high temperature and pressure heat exchanger, and high temperature and pressure is changed
Hot 4 inner tube outlet of device is connected to reaction treatment unit U2;The outlet heat source U3 is connect with 4 outer tube of high temperature and pressure heat exchanger, and high temperature is high
The outlet of pressure 4 outer tube of heat exchanger is taken heat utilization unit U4 to be connected to the entrance of heat exchanger tube 5, and the outlet of heat exchanger tube 5 is connected to subsequent
Processing unit U5;
First bypass control valve V1 is set between 5 import and export of heat exchanger tube, for controlling preheating 2 housing outlets of hydrolytic decomposition pot
The sludge temperature of outflow is not less than 170 DEG C;Bypass control valve V2 is set between 4 outer tube import and export of high temperature and pressure heat exchanger, is used for
4 inner tube outlet sludge temperature of high temperature and pressure heat exchanger is maintained to reach target supercritical water temperature.
Further include that pretreated allotment homogeneous unit U1 is carried out to slurry, deploys on homogeneous unit U1 and offer for being added
Slurry and the allotment entrance of water, the outlet for deploying homogeneous unit U1 are connected to preheating 2 housing inlet port of hydrolytic decomposition pot through screw pump 1
End.It is equipped with stable-pressure device 6 at the top of preheating hydrolytic decomposition pot 2, pressure stabilization in regenerator preheating 2 shell of hydrolytic decomposition pot is maintained and liquid is not
Vaporization.It is additionally provided with the agitating device being driven by motor in preheating hydrolytic decomposition pot 2, agitating device includes the driving being connected to the motor
A disc turbine type impeller-agitator is respectively arranged along drive shaft in axis above and below 5 pipeloop of heat exchanger tube.In two disk whirlpools
Under the forceful action of wheeled impeller-agitator, high-viscosity sludge has axial, tangential systemic circulation in preheating hydrolytic decomposition pot, and cuts
To the eddying motion with radial direction, Multidimensional and Hybrid, shear flow is presented, acutely, heat exchanger tube surface film thermal conductance is high, greatly for disturbance
Enhance homogeneous and the heat absorption heating of sludge.
The operating temperature of product pump 3 is not less than 200 DEG C, and pressure is not less than 30MPa.
Simultaneously in order to preferably monitor system ramp case, it is equipped on the pipeline that preheating hydrolytic decomposition pot 2 is connected with product pump 3
For monitoring the first thermometer T1 of preheating hydrolysis tank shell outlet slurry temperature, in high temperature and pressure heat exchanger 4 and reaction treatment
Unit U2 connected pipeline is equipped with T2 based on the second temperature by monitoring 4 inner tube outlet slurry temperature of high temperature and pressure heat exchanger.
The highly viscous slurry of the present embodiment temperature elevation system step by step, when in use:
Process object by taking sludge as an example, complete in allotment homogeneous unit U1 at sludge allotment homogeneous by sludge and allotment water
Reason, then sludge is delivered in preheating 2 shell of hydrolytic decomposition pot by 1 strength of screw pump.On the heat exchanger tube 5 inside preheating hydrolytic decomposition pot 2,
Under the action of lower two disc turbine type impeller-agitators, multi-dimensional complicated shearing motion occurs in preheating hydrolytic decomposition pot 2 for sludge, complete
It at further homogeneous, and disturbs strongly, and is rapidly warming up to preheating 2 housing outlets of hydrolytic decomposition pot from the heat absorption of 5 wall surface of heat exchanger tube
Sludge temperature is not less than 170 DEG C (temperature is monitored to obtain by the first thermometer T1), induces the generation of hydrolysis.High viscosity is dirty
In preheating hydrolytic decomposition pot 2 after further shearing homogeneous and hydrolysis, viscosity will be remarkably decreased to close to pure water mud, be become
Low viscosity sludge slurry.Low viscosity sludge exchanges heat after high temperature and pressure product pump 3 is forced into supercritical pressure into high temperature and pressure
4 inner tube of device, 4 inner tube outlet of high pressure-temperature high pressure heat exchanger are connected to reaction treatment unit U2.Heat source U3 exchanges heat through high temperature and pressure
4 outer tube of device, which is introduced into, to be taken in heat utilization unit U4, takes heat utilization unit U4 to be connected to the entrance of heat exchanger tube 5, to heat preheating water
Solve high-viscosity sludge in 2 shell of tank.The first bypass control valve V1 is for guaranteeing preheating 2 shell of hydrolytic decomposition pot between heat exchanger tube 5 is imported and exported
It exports sludge temperature and is not less than 170 degrees Celsius.Later, fluid enters subsequent processing units U5 after reaction, completes fluid after reaction
Depth harmless treatment such as deamination, dephosphorization, except COD etc., deep temperature reduction, the sequence of maneuvers such as decompression, gas-liquid-solid three-phase separation, most
It is innoxious eventually to be discharged into external environment.
Embodiment 2
It referring to fig. 2, is another highly viscous slurry of the invention temperature elevation system, including preheating hydrolytic decomposition pot 2, product pump step by step
3, high temperature and pressure heat exchanger 4, reaction treatment unit U2 and heat source U3.Its main component and connection relationship are different with embodiment 1
It is, it is assumed that in the embodiment, exothermic supercritical water oxidation has occurred in reaction treatment unit U2, then reaction treatment unit
U2 merges into supercritical water oxidation unit U2/U3 at the same time as heat source, with both heat source U3.
The highly viscous slurry of the present embodiment temperature elevation system step by step, at work:
Sludge and allotment water complete sludge in allotment homogeneous unit U1 and deploy homogenization, and then sludge is by screw pump
1 strength is delivered in high temperature and pressure preheating 2 shell of hydrolytic decomposition pot, 5 upper and lower two disks of heat exchanger tube inside preheating hydrolytic decomposition pot 2
Under the action of turbine type impeller-agitator, in preheating hydrolytic decomposition pot 2 multi-dimensional complicated shearing motion occurs for sludge, completes further
Homogeneous;Disturbance is strong, and is rapidly warming up to preheating 2 housing outlets sludge temperature T1 of hydrolytic decomposition pot not from the heat absorption of 5 wall surface of heat exchanger tube
Lower than 170 DEG C, the generation of hydrolysis is induced.High-viscosity sludge is in preheating hydrolytic decomposition pot 2 by further shearing homogeneous and hydrolysis
After reaction, viscosity will be remarkably decreased to close to pure water, become low viscosity sludge slurry.Low viscosity sludge is through high temperature and pressure material
After pump 3 is forced into supercritical pressure, it is warming up to that target is super to face into 4 inner tube of high temperature and pressure heat exchanger and from the heat absorption of outer tube hot fluid
Boundary's temperature (temperature is measured by second temperature T2), subsequently enters supercritical water oxidation unit U2/U3.Overcritical water oxygen
Another entrance for changing reaction member U2/U3, is connected to oxidant supply unit, sludge and oxidant in supercritical water oxidation list
Quick exothermic oxidation reaction occurs in the U2/U3 of position.Fluid enters after supercritical water oxidation unit U2/U3 exports pyroreaction
4 outer tube of high temperature and pressure heat exchanger, the heat source as inner tube sludge;Second bypass control valve V2 is changed by controlling to adjust high temperature and pressure
Thermal fluid flow in hot device outer tube bypass is faced with guaranteeing that 4 inner tube outlet sludge temperature of high temperature and pressure heat exchanger is in suitably super
Boundary's temperature.Fluid is entered by the outlet of 4 outer tube of high temperature and pressure heat exchanger after reaction takes heat utilization unit U4, according to heat in system
Wealth may be selected externally heated, sell steam, or directly heat other process sections.Then, heat utilization unit is taken
Fluid enters heat exchanger tube 5 in preheating hydrolytic decomposition pot 2 after U4 outflow reaction, with high-viscosity sludge in heating preheating 2 shell of hydrolytic decomposition pot.It changes
Bypass control valve V1 is for guaranteeing that preheating 2 housing outlets sludge temperature of hydrolytic decomposition pot is not less than 170 degrees Celsius between heat pipe 5 is imported and exported.
Later, fluid enters subsequent processing units U5 after reaction, complete the depth harmless treatment of fluid after reaction for example deamination, dephosphorization,
Except COD etc., deep temperature reduction, the sequence of maneuvers such as decompression, gas-liquid-solid three-phase separation are finally innoxious to be discharged into external environment.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of highly viscous slurry temperature elevation system step by step, which is characterized in that including:Preheat hydrolytic decomposition pot (2), product pump (3), high temperature
High pressure heat exchanger (4), heat source (U3), takes heat utilization unit (U4) and subsequent processing units (U5) at reaction treatment unit (U2);
Preheating hydrolytic decomposition pot (2) in be equipped with heat exchanger tube (5), by the preheated hydrolytic decomposition pot of pretreated slurry (2) housing inlet port into
Entering to preheat hydrolytic decomposition pot (2), preheating hydrolytic decomposition pot (2) housing outlets are connected through product pump (3) and high temperature and pressure heat exchanger (4) inner tube,
High temperature and pressure heat exchanger (4) inner tube outlet is connected to reaction treatment unit (U2);Heat source (U3) outlet and high temperature and pressure heat exchanger
(4) outer tube connects, and the outlet of high temperature and pressure heat exchanger (4) outer tube is taken heat utilization unit (U4) to be connected to the entrance of heat exchanger tube (5),
The outlet of heat exchanger tube (5) is connected to subsequent processing units (U5);
The first bypass control valve (V1) is set between heat exchanger tube (5) import and export, is gone out for controlling preheating hydrolytic decomposition pot (2) shell
The sludge temperature of mouth outflow is not less than 170 DEG C;The second Bypass Control is set between high temperature and pressure heat exchanger (4) outer tube import and export
Valve (V2), for maintaining high temperature and pressure heat exchanger (4) inner tube outlet sludge temperature to reach target supercritical water temperature.
2. highly viscous slurry according to claim 1 temperature elevation system step by step, which is characterized in that further include slurry is carried out it is pre-
The allotment homogeneous unit (U1) of processing deploys the entrance offered on homogeneous unit (U1) for slurry and allotment water to be added,
The outlet for deploying homogeneous unit (U1) is connected to preheating hydrolytic decomposition pot (2) housing inlet port end through screw pump (1).
3. highly viscous slurry according to claim 1 temperature elevation system step by step, which is characterized in that pushed up in preheating hydrolytic decomposition pot (2)
Portion is equipped with stable-pressure device (6).
4. highly viscous slurry according to claim 1 temperature elevation system step by step, which is characterized in that in preheating hydrolytic decomposition pot (2)
It is additionally provided with the agitating device being driven by motor.
5. highly viscous slurry according to claim 4 temperature elevation system step by step, which is characterized in that agitating device includes and motor
A disc turbine type impeller-agitator is respectively arranged above and below heat exchanger tube (5) pipeloop along drive shaft in connected drive shaft.
6. highly viscous slurry according to claim 1 temperature elevation system step by step, which is characterized in that the work temperature of product pump (3)
Degree is not less than 200 DEG C, and pressure is not less than 30MPa.
7. the temperature elevation system step by step of highly viscous slurry described according to claim 1~any one of 6, which is characterized in that when anti-
It answers when reacting heat release in processing unit (U2), the fluid after reaction can be used as high temperature heat source, according to energy needed for component
Grade grade is followed successively by high temperature and pressure heat exchanger (4), heat utilization unit (U4) and preheating hydrolytic decomposition pot (2) is taken to provide heat.
8. the temperature elevation system step by step of the highly viscous slurry according to any one of claim 7, which is characterized in that reaction treatment
Unit (U2) merges use with heat source (U3), is used as high temperature heat source together.
9. the temperature elevation system step by step of highly viscous slurry described according to claim 1~any one of 6, which is characterized in that pre-
The pipeline that pyrohydrolysis tank (2) is connected with product pump (3), which is equipped with, exports the of slurry temperature for monitor preheating hydrolysis tank shell
One thermometer (T1).
10. the temperature elevation system step by step of highly viscous slurry described according to claim 1~any one of 6, which is characterized in that in height
The pipeline that warm high pressure heat exchanger (4) is connected with reaction treatment unit (U2) is equipped with for monitoring in high temperature and pressure heat exchanger (4)
The second temperature meter (T2) of pipe outlet slurry temperature.
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CN109851187A (en) * | 2019-01-31 | 2019-06-07 | 西安交通大学 | It is a kind of using conduction oil as the sludge supercritical water oxidation system and method for sludge treatment of heat transferring medium |
CN112373970A (en) * | 2020-11-23 | 2021-02-19 | 上海健康医学院 | Liquid material conveying system for producing Chinese herbal medicine toothpaste |
CN112624547A (en) * | 2020-12-23 | 2021-04-09 | 江苏省环境科学研究院 | Sludge oxidation treatment system and method |
CN112661382A (en) * | 2020-12-16 | 2021-04-16 | 湖南军信环保股份有限公司 | High-temperature pyrohydrolysis integrated device |
CN113354228A (en) * | 2021-06-30 | 2021-09-07 | 中国石油化工股份有限公司 | Method for treating oily sludge through supercritical water oxidation |
CN115771985A (en) * | 2022-12-16 | 2023-03-10 | 湖南汉华京电清洁能源科技有限公司 | Dirty oil sludge resource utilization system |
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