CN109020113A - A kind of sludge continuous hydrothermal processing unit of multistage flash distillation - Google Patents
A kind of sludge continuous hydrothermal processing unit of multistage flash distillation Download PDFInfo
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- CN109020113A CN109020113A CN201810889741.8A CN201810889741A CN109020113A CN 109020113 A CN109020113 A CN 109020113A CN 201810889741 A CN201810889741 A CN 201810889741A CN 109020113 A CN109020113 A CN 109020113A
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- reactor
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- sludge
- pulp
- flash distillation
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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
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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
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Abstract
The invention discloses a kind of sludge continuous hydrothermal processing units of multistage flash distillation, comprising: sequentially connected original mud surge bunker, homogeneous reactor, pulp reactor, hydrothermal reactor, flashing reactor, the pulp reactor is equipped at least one, the flashing reactor is equipped at least two, it sequentially connects between each pulp reactor and between each flashing reactor, wherein, the homogeneous reactor and pulp reactor arranged from front to back also connects one to one with each flashing reactor from rear to preceding arrangement.Present device is simple, simple process, to efficiency of sludge treatment height, effectively reduces energy consumption.
Description
Technical field
The present invention relates to the technical fields of solid waste processing, are related to a kind of municipal or industrial sludge modification skill
The sludge continuous hydrothermal processing unit of art more particularly to a kind of multistage flash distillation.
Background technique
Urbanization process is getting faster in recent years, and the yield and handling rate of city domestic sewage are also higher and higher, although
Various methods are taken, to cut down the output of municipal sludge, total amount is still with annual 10% increasing rate.Sludge treatment plant
Sludge be typically all to reach about 80% moisture content with " anaerobic digestion-dosing dehydration ", then transport to sanitary filling field
Landfill.80% sludge still has certain mobile performance, makes troubles to landfill operation, and there are the hidden of secondary pollution
Suffer from.As country is for the reinforcement of municipal sludge final disposal management, municipal sludge is urgently to be resolved at sludge treatment plant
Problem.
Hydrothermal technology can make insoluble mud granule disintegrate, cell rupture, and the release of cell organic matter goes forward side by side one
One-step hydrolysis, improves the biodeposition and dehydration property of sludge, while improving the biodegradability of sludge and its liquid phase.
Hydrothermal technique has worldwide had the Engineering Projects of dozens of municipal sludge project.At home, Beijing, black
" hydro-thermal " technology is all made of in the ground Treatment of Sludge engineerings such as rich, Changsha, Shaoyang, Xiangyang, Wuxi, Hefei, Zhenjiang；Meanwhile by living
It builds in " the city sludge treatment plant specific resistance to filtration technical manual " of portion's publication and clearly illustrates the excellent of " hydro-thermal " technical principle
Gesture, it is seen then that hydrothermal technique has become a kind of mainstream technology of municipal sludge process field.
But it makes a general survey of domestic and international each family and is engaged in hydrothermal process system used by the company of hydrothermal technique, largely use and be
Batch-type hydrothermal process, using the less of continous way hydrothermal process.About application No. is 201220133792.6, it is entitled
" municipal sludge continous way hydro-thermal-flash distillation plant utility model patent discloses the device that a kind of pair of municipal sludge is handled, though
The right device can be realized the minimizing to municipal sludge processing, innoxious and recycling purpose, but the device is in treatment effeciency
It still needs further improvement in the quality to Treatment of Sludge.
Summary of the invention
It is an object of the present invention to provide a kind of sludge continuous hydrothermal processing units of multistage flash distillation, to solve original dirt
The problem that mud treatment effeciency is not high enough, processing quality is not high enough.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows: a kind of sludge of multistage flash distillation is continuous
Hydrothermal treatment device, comprising: be arranged successively former mud surge bunker, homogeneous reactor, the pulp reactor, hydro-thermal of connection from front to back
Reactor, flashing reactor, the pulp reactor are equipped at least one, and the flashing reactor is equipped at least two, each slurry
Change between reactor and sequentially connect between each flashing reactor, wherein the homogeneous reactor that arranges from front to back and
Pulp reactor also connects one to one with each flashing reactor from rear to preceding arrangement.Specifically, it is opened from homogeneous
Begin to reactor number consecutively 1,2 ... n-1, n, n+1 ... 2n-1, wherein 1 is homogeneous reactor, n is hydrothermal reactor,
Being greater than 1 less than n is pulp reactor, is flashing reactor greater than n.Wherein, 2n-1 is dodged to 1 flash distillation, 2n-2 to 2
N+1 is steamed ... ... to flash to n-1, and so on, n receives external next primary steam.
Further, between the pulp reactors at different levels between the raw material surge bunker and homogeneous reactor, connected
Be equipped at least one charging pump, between the hydrothermal reactor and the most preceding flashing reactor of arrangement, be connected it is at different levels
At least one sequence valve is equipped between the flashing reactor.
Further, the flashing reactor bottom of arrangement position most end is connected with air port towards the flashing reactor one
The aeration heat-exchanger rig at end also is provided with air port between the homogeneous reactor and the flashing reactor of arrangement position most end
Towards the aeration heat-exchanger rig of the homogeneous reactor one end.
Further, the aeration heat-exchanger rig is Aeration fan, vacuum pump, steam jet ejector or their combination.
From the heat transfer process that afterbody is flashed to homogeneous, because the temperature of sludge has been reduced in afterbody flashing reactor
Corresponding temperature, i.e., 100 degree or so under normal pressure can not rely on nature pressure release evaporative cooling, therefore use Aeration fan, vacuum
The ancillary equipments such as pump, steam jet ejector carry out.
Further, the hydrothermal reactor is additionally provided with the primary steam pipeline outside connection, is used for hydrothermal reactor
Inside provides the steam of high temperature and pressure, and control valve is equipped on the jet chimney.
Preferably, it there are three the flashing reactor is set, and is sequentially connected in series.
Compared with prior art, the sludge continuous hydrothermal processing unit of multistage flash distillation provided by the present invention, reached as
Lower technical effect:
1, equipment is simple, technology profile, and homogeneous-pulp 1- pulp 2- hydro-thermal-flash distillation 1- flash distillation 2- flashes 3- septate heat transfer.
2, multistage flash distillation is used, flash distillation number is at 2 times or more, and preferably 3 times~4 times, it is possible to reduce the temperature of every grade of heating
Difference reduces steam usage amount.
3, countercurrent multistage exchanges heat, and can effectively increase the driving force of heat transfer between grade and grade, increases vapor absorption efficiency.
4, using the above elevated temperature fluid conveyance technology of boiling point, it can be compressed air either high steam, realize water
Temperature before hot final heating can reach boiling point or more, so that multistage continuous processing is obtained the steam similar with batch technology and disappears
Consumption.
5, most end level-one aeration heat exchange or steam mechanical compression (steam jet ejector), make flash distillation after sludge steam latent heat into
One step utilizes.
6, before final sludge enters next technique unit, obtaining hot liquid using septate heat transfer (can be middle water, filter
Liquid, biogas slurry etc.) it is used for the homogeneous of raw sewage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sludge continuous hydrothermal processing unit of multistage flash distillation described in the embodiment of the present invention.
Fig. 2 is that the structure of the sludge continuous hydrothermal processing unit of multistage flash distillation described in a preferred embodiment of the invention is shown
It is intended to.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail, but not as a limitation of the invention.
As shown in Figure 1, a kind of sludge continuous hydrothermal processing unit of multistage flash distillation disclosed in the embodiment of the present invention, packet
Include: sequentially connected original mud surge bunker 1, homogeneous reactor 3, pulp reactor 4, hydrothermal reactor 6, flashing reactor (8,
10), the pulp reactor 4 is equipped at least one, and the flashing reactor is equipped at least two, for convenience of explanation, this reality
It applies pulp reactor in example and is provided only with one, flashing reactor is provided only with two, and between each pulp reactor and each flash distillation is anti-
It answers and sequentially connects between device, wherein the homogeneous reactor 3, the pulp reactor 4 arranged from front to back, also and from rear to preceding
Each flashing reactor (8,10) of arrangement connects one to one.That is, 12 row of being also connected with of homogeneous reactor
Column position is the flashing reactor 10 of most end, and it is penultimate for arranging the forward pulp reactor 4 connection arrangement position
The flashing reactor 8, the hydrothermal reactor 6, which is installed on, to be arranged the last pulp reactor 4 and arranges most preceding institute
It states between flashing reactor 8, and so on.Wherein, the hydrothermal reactor 6 is additionally provided with the external pipe 17 outside connection, should
External pipe 17 is used as primary steam pipeline, introduces external steam as highest heat source, sludge is heated to temperature needed for highest
Degree.A control valve 13 is additionally provided between the external pipe 17.The appliance arrangement is simple, simple process, to efficiency of sludge treatment
Height effectively reduces energy consumption.
Be equipped between the pulp reactors at different levels between the raw material surge bunker 1 and homogeneous reactor 3, connected to
A few charging pump, conveys respective reaction medium into reactor when ensuring that material lacks in reactor, the hydro-thermal is anti-
It answers device 3 and arranges and be equipped at least one between the flashing reactors at different levels between the most preceding flashing reactor 8, connected
A sequence valve, by sequence valve, it can be achieved that the long-range control of valve.
10 lower part of the flashing reactor of arrangement position most end is also connected with aeration heat-exchanger rig 11, anti-in the homogeneous
It answers and the aeration heat exchange for connecting the homogeneous reactor one end is also installed between device and the flashing reactor of arrangement position most end
Device 16.By being aerated heat-exchanger rig, it is anti-the heat of the sludge in the last one flashing reactor can be given homogeneous as far as possible
Device is answered, steam resource is further saved.From the heat transfer process that afterbody is flashed to homogeneous, because of afterbody flash distillation reaction
In device, the temperature of sludge has had been reduced to corresponding temperature under normal pressure, i.e., 100 degree or so, can not be by nature pressure release evaporation drop
Temperature, therefore carried out using ancillary equipments such as Aeration fan, vacuum pump, steam jet ejectors.
The aeration heat-exchanger rig can be Aeration fan, vacuum pump, steam jet ejector or their combination.The exposure
One or more can be set in gas heat-exchanger rig.Steam mechanical compression is commonly called as MVR, and similar Roots vaccum pump is that flash distillation is anti-
It answers device to be pumped to vacuum, both vapor compression is sent to homogeneous reactor.Steam jet ejector is similar jet pump, is produced using high velocity vapor
Raw negative pressure, suction flashing reactor to vacuum.Aeration is to use compressed air, and air is blasted afterbody flashing reactor liquid
Phase carries steam and send to homogeneous reactor.
Carry out the application principle that the present invention will be described in detail by taking Fig. 2 as an example below.
It is shown in Figure 2, in mono- preferred embodiment of Fig. 2, there are two the pulp reactor is set, respectively successively
The level-one pulp reactor 4 and second level pulp reactor 6 of connection, the flashing reactor is respectively sequentially connected there are three setting
Primary flash reactor 10, two-stage flash reactor 12 and three stages of flashing reactor 14, the hydrothermal reactor 8 be set to two
Between grade pulp reactor 6 and primary flash reactor 10, it is equipped between level-one pulp reactor 4 and second level pulp reactor 6
Second level pulp charging pump 5 is equipped with hydro-thermal charging pump 7,8 He of hydrothermal reactor between second level pulp reactor 6 and hydrothermal reactor 8
Valve 9 is equipped between primary flash reactor 10, hydrothermal reactor 8 also opens the external pipe 22 of connection outside atmosphere, should
External pipe 22 be equipped with control valve 17, between primary flash reactor 10 and two-stage flash reactor 12 be equipped with valve 11, two
It is equipped with three stages of flashing charging pump 13 between grade flashing reactor 12 and three stages of flashing reactor 14, is aerated the blowing of heat-exchanger rig 15
Mouthful opposite three stages of flashing reactor 14, homogeneous reactor 3 are also connected with its opposite aeration heat-exchanger rig 16 of blowing mouth.It is former
Sludge in pug storehouse 1 is raw sludge；Sludge in homogeneous reactor 8 is known as homogeneous sludge；In level-one pulp reactor 4
Sludge becomes level-one pulp sludge；Sludge in second level pulp reactor 6 becomes and grade pulp sludge；In hydrothermal reactor 8
Sludge is known as hydro-thermal sludge；Sludge in primary flash reactor 10 is known as primary flash sludge；10 row of primary flash reactor
Weary steam out is full flashing steam；Sludge in two-stage flash reactor 12 is known as two-stage flash sludge；Two-stage flash is anti-
The weary steam for answering device 12 to be discharged is secondary flash steam；Sludge in three stages of flashing reactor 14 is known as three stages of flashing sludge；Three
The weary steam that grade flashing reactor 14 is discharged is flash-off steam three times.
In fact, pulp reactor is provided at least two, flashing reactor is provided at least three preferably, so more can
Reduce energy consumption, for example, since homogeneous to reactor number consecutively 1,2 ... n-1, n, n+1 ... 2n-1, wherein 1
For homogeneous reactor, n is hydrothermal reactor, and it is flashing reactor greater than n that being greater than 1 less than n, which is pulp reactor,.Wherein,
2n-1 is flashed to 1 flash distillation, 2n-2 to 2 flash distillation ... ... n+1 to n-1, and so on, n receives the primary steam that outside is come.Due to
The temperature and pressure of sludge successively increases during passing sequentially through each reactor, when n, that is, it is anti-to enter hydro-thermal
It answers device to reach highest, is then successively reduced to normal pressure.The pressure of 2n-1 may be not as good as the height of n-1, so cannot dodge to n-1
It steams, therefore 2n-1 is set to 1 flash distillation, the so normal operation to guarantee flash distillation.
The step of this carries out Treatment of Sludge using the sludge continuous hydrothermal processing unit of multistage flash distillation disclosed in this invention
It is as follows:
1) water factory carrys out mud and enters former mud surge bunker 1；Raw sludge is continuously conveyed through homogeneous charging pump 2 into homogeneous reactor
3, raw sludge is preheated for the first time by the flash-off steam three times from three stages of flashing reactor 14；When raw sludge is containing solid
When rate is higher than 20%, need into homogeneous reactor 3 pump dilute medium (mud after hydro-thermal, dehydration filtrate, biogas slurry, sewage, from
Water etc.), raw sludge is diluted, is quenched；
2) homogeneous sludge is by the micro-positive pressure in homogeneous reactor 3, and overflow enters level-one pulp reactor 4, and with come from
Flash-off steam carries out second of mixing preheating in two-stage flash reactor 12；
3) sludge is continuously conveyed into second level pulp reactor 6 by second level pulp charging pump 5 for level-one pulp sludge,
Third time, which is carried out, with the flash-off steam from primary flash reactor 10 mixes preheating；
4) raw material into hydrothermal reactor 8, being saturated with high temperature is continuously conveyed through hydro-thermal charging pump 7 in second level pulp sludge
Steam carries out being heated to reacting required temperature to second level pulp sludge, and stays for some time；
5) hydro-thermal sludge passes through the pressure difference of hydrothermal reactor 8 and primary flash reactor 10, and continuous self-flowing enters level-one sudden strain of a muscle
It steams in reactor 10, carries out flash distillation cooling for the first time, while obtaining full flashing steam, the preheating for second level pulp sludge；
6) primary flash sludge dodges the pressure difference of reactor 10 and two-stage flash reactor 12 by level-one, and continuous self-flowing enters
In two-stage flash reactor 12, second of flash distillation cooling is carried out, while obtaining secondary flash steam, for level-one pulp sludge
Preheating；
7) two-stage flash sludge dodges charging pump 13 through three-level, is continuously conveyed into three stages of flashing reactor 14, by sudden and violent
Gas heat-exchanger rig 15 (such as Aeration fan or vacuum pump), which carries out third time to the sludge in three stages of flashing reactor 14, to be forced to dodge
It steams, obtained flash-off steam three times is used for the preheating of homogeneous sludge；Wherein, the primary flash reactor, two-stage flash are given
The heating temperature difference of reactor to three stages of flashing reactor successively reduces.
8) three stages of flashing sludge, after necessary cooling heat transferring, can Direct Dehydration or anaerobic digestion, hydro-thermal sludge is direct
Dehydration can be obtained the dehydrated sludge cake of solid content 40~65%, and hydro-thermal sludge carries out anaerobic digestion, and conversion rate of organic matter is 50%~
70%.
Sludge treatment equipment disclosed in this invention, one side are to be carried out using the means of multistage continuous hydrothermal to sewage
Processing, compared with prior art, has the advantages that
1, equipment is simple, concise in technology, and homogeneous-pulp 1- pulp 2- hydro-thermal-flash distillation 1- flash distillation 2- flashes 3- septate heat transfer.
2, multistage flash distillation is used, flash distillation number is at 2 times or more, and preferably 3 times~4 times, it is possible to reduce the temperature of every grade of heating
Difference, sludge from room temperature to final hydrothermal temperature, the temperature difference be it is certain, after being divided into stepped heating, the temperature difference between every grade is just
It can reduce, can also reduce steam usage amount.
3, countercurrent multistage exchanges heat, and can effectively increase the driving force of heat transfer between grade and grade, increases vapor absorption efficiency.
4, using the above elevated temperature fluid conveyance technology of boiling point, it can be compressed air either high steam, realize water
Temperature before hot final heating can reach boiling point or more, so that multistage continuous processing is obtained the steam similar with batch technology and disappears
Consumption.
5, most end level-one aeration heat exchange or steam mechanical compression (steam jet ejector), make flash distillation after sludge steam latent heat into
One step utilizes.
6, before final sludge enters next technique unit, obtaining hot liquid using septate heat transfer (can be middle water, filter
Liquid, biogas slurry etc.) it is used for the homogeneous of raw sewage.
For batch-type hydrothermal process, sludge treatment equipment disclosed in this invention is using Multistage continuous hydro-thermal
Means sludge is handled, have the advantages that
(1) multi-stage flash process is used, while realizing flash distillation steam explosion, steam utilization efficiency is improved, reduces flash distillation
The tear strength of pipeline, valve, while using special cermacis flash distillation regulating valve and flash distillation pipeline, it substantially increases in flash process
Equipment dependability.
(2) multistage flash distillation, step heat exchange, have greatly recycled exhaust steam, have reduced energy consumption.It is anti-by multistage flash distillation
It answers the weary Steam Recovery between device and multistage homogeneous, pulp reactor to utilize, improves the logarithmic temperature difference in system, improve and change
The thermal efficiency, reduces the increasing extent of temperature of feedstock vapor heating, and then reduces original steam consumption.The original of general hydrothermal system at present
Steam consumption is 0.3~0.4t/t sludge, and by the technology, 0.15~0.2t/t sludge can be reduced to.
(3) it by reducing hydrothermal system energy consumption, realizes the Urban sludge treatment system energy to control oneself even and exports, improve city
The recycling of city's Treatment of Sludge is horizontal.
(4) continuous processing is used, system front end pulp reactor charging and discharging are continuous state, and charging discharges to reaction
The disturbance of device is smaller, more stable (the pulp reactor with sequence batch technique of the state parameters such as pulp temperature of reactor, concentration, viscosity
Than), therefore, the municipal sludge of higher concentration can be handled.
(5) by way of being aerated or vacuumizing, pressure flash distillation is carried out to the sludge in three stages of flashing reactor, it can be most
The thermal energy by sludge middle-low grade of limits forwards the form for steam, the preheating of reuse to this system front end raw sludge
And homogeneous, to reduce the consumption of feedstock vapor, while reducing subsequent sludge amount of cooling water.
(6) continous way hydrothermal process is used, boiler system installation load, exhaust treatment system Design cooling load are reduced；
Meanwhile the specifications and models of each delivery pump in hydrothermal system, blender reduce, utilization rate of equipment and installations is higher.
(7) continous way hydrothermal process is used, technique overall process point is less, and control loop uses " liquid level VS pump/adjusting
The simple control loop such as valve ", " pressure VS regulating valve ", " temperature VS regulating valve ", " flow VS regulating valve ", therefore system is simpler
It is single, reliable；High degree of automation, work efficiency is high, labor intensity is low.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (6)
1. a kind of sludge continuous hydrothermal processing unit of multistage flash distillation, comprising: be arranged successively the former mud buffering of connection from front to back
Storehouse, homogeneous reactor, pulp reactor, hydrothermal reactor, flashing reactor, which is characterized in that the pulp reactor is equipped with
At least one, the flashing reactor is equipped at least two, between each pulp reactor and between each flashing reactor sequentially
Series connection, wherein the homogeneous reactor and pulp reactor arranged from front to back, also respectively and from each of rear to preceding arrangement
The flashing reactor connects one to one.
2. the sludge continuous hydrothermal processing unit of multistage flash distillation as described in claim 1, which is characterized in that the raw material buffering
At least one charging pump, the hydro-thermal are equipped between the pulp reactors at different levels between storehouse and homogeneous reactor, connected
At least one is equipped between reactor and the most preceding flashing reactor of arrangement, between the connected flashing reactors at different levels
A sequence valve.
3. the sludge continuous hydrothermal processing unit of multistage flash distillation as described in claim 1, which is characterized in that arrangement position most end
The flashing reactor lower part be also connected with aeration heat-exchanger rig, described in the homogeneous reactor and arrangement position most end
The aeration heat-exchanger rig for connecting the homogeneous reactor wherein one end is also installed between flashing reactor.
4. the sludge continuous hydrothermal processing unit of multistage flash distillation as claimed in claim 3, which is characterized in that the aeration heat exchange
Device is Aeration fan, vacuum pump, steam jet ejector or their combination.
5. the sludge continuous hydrothermal processing unit of multistage flash distillation as described in claim 1, which is characterized in that the hydro-thermal reaction
Device is additionally provided with the primary steam pipeline outside connection, for the steam to offer high temperature and pressure inside hydrothermal reactor, in the steaming
Steam pipe road is equipped with control valve.
6. the sludge continuous hydrothermal processing unit of multistage flash distillation as described in claim 1, which is characterized in that the pulp reaction
Device is equipped at least two, and is sequentially connected in series；The flashing reactor is equipped at least three, and is sequentially connected in series.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109879557A (en) * | 2019-02-28 | 2019-06-14 | 上海同济普兰德生物质能股份有限公司 | A kind of sludge slurrying device |
| CN110526543A (en) * | 2019-09-20 | 2019-12-03 | 南京中电环保固废资源有限公司 | A kind of system and method coupling coal-fired incineration disposal suitable for sludge |
| CN111013517A (en) * | 2019-12-26 | 2020-04-17 | 四川深蓝环保科技有限公司 | Continuous organic solid waste thermal hydrolysis treatment system and method |
| CN113800732A (en) * | 2021-09-07 | 2021-12-17 | 东方电气集团东方电机有限公司 | Sludge pyrohydrolysis device and control method thereof |
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| CN109879557A (en) * | 2019-02-28 | 2019-06-14 | 上海同济普兰德生物质能股份有限公司 | A kind of sludge slurrying device |
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| CN113800732A (en) * | 2021-09-07 | 2021-12-17 | 东方电气集团东方电机有限公司 | Sludge pyrohydrolysis device and control method thereof |
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