CN102531314A - Sludge water heat drying treatment device and flashing reactor thereof - Google Patents
Sludge water heat drying treatment device and flashing reactor thereof Download PDFInfo
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- CN102531314A CN102531314A CN2011104470765A CN201110447076A CN102531314A CN 102531314 A CN102531314 A CN 102531314A CN 2011104470765 A CN2011104470765 A CN 2011104470765A CN 201110447076 A CN201110447076 A CN 201110447076A CN 102531314 A CN102531314 A CN 102531314A
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Abstract
The invention provides a sludge water heat drying treatment device and a flashing reactor thereof. The sludge water heat drying treatment device comprises a homogeneous reactor, a slurry reactor, a hydrothermal reactor and the flashing reactor which are sequentially connected. The homogeneous reactor is used for chopping and agitating materials, then the materials are delivered to the slurry reactor for even preheating, hydrothermal reaction is conducted to the preheated materials in the hydrothermal reactor, the materials are stored in the flashing reactor and the recovered steam of the flashing reactor can be fed into the slurry reactor and/or the hydrothermal reactor. When the sludge water heat drying treatment device is under certain temperature and pressure, viscous organic matters in sludge are hydrolyzed, the colloid structure of the sludge is destructed and bond water is facilitated to be separated from solid particles. The flashing reactor can buffer-store the materials after the hydrothermal reaction, the flashing steam is recovered and the goal of fully utilizing the heat energy of the steam is achieved.
Description
Technical field
The present invention relates to sludge water heat drying processing technology field, particularly a kind of sludge water heat drying treatment unit and flashing reactor thereof.
Background technology
Be accompanied by fast development and the people of the global economy growing interest to environment, sewage load increases at a high speed, has caused the rapid expansion of sludge yield.At present, China's annual discharging dewatered sludge is about 5,000,000 tons, and quantity is also constantly increasing.If the improper meeting of sludge treatment causes serious secondary pollution, and the investment of sludge treatment and working cost are huge, account for 25%～65% of investment of entire sewage factory and working cost, become the heavy burden that the municipal sewage plant faces.Therefore, how economical, efficiently dispose excess sludge, realize that sludge stabilizing, innoxious, resource utilization are the current important topics that solve be badly in need of.
Contain a large amount of microorganism cellss and organism colloid in the mud, caused the sludge dewatering difficulty, the dehydrated sludge cake water ratio is up to about 80% usually.The means of sludge disposal mainly comprise compost, landfill and burning.
When mud was used for compost material, it was moisture to 50～60% to need to add the amendment reduction usually, and the amendment total amount that needs to add is about 60% of mud, and like finding no sale of sludge composting product, sludge quantity does not only reduce increase on the contrary.
Mud is admitted with garbage sanitary filling field in domestic indivedual city; Because moisture percentage in sewage sludge is high, cause landfill operation difficulty, leachate quality deterioration and landfill heap body unstable easily, therefore; In fact, at present most domestic garbage sanitary filling field refusal mud is marched into the arena.
Burning is the effective means that realizes sludge reduction, and the calorific value that requires usually to burn material according to the average shale level of municipal sludge, has only water ratio could satisfy this requirement less than 50% o'clock greater than 1200 kcal/kg.Therefore the dehydrated sludge cake of water ratio 80% all should not be directly handled in landfill, compost and burning, and for satisfying disposal standard and arts demand, water ratio will be reduced to below 60% at least.How efficient low-consume ground is reduced to 60% with moisture percentage in sewage sludge by 80%, becomes the key problem in technology that ensures that mud is effectively disposed.This adopts the mummification mode usually.But sludge drying need consume a large amount of energy, and as adopting the steam mummification, one ton of mud need consume the steam of 0.8-1 ton, and running cost is high.
The sludge dewatering difficulty is that to this, people have done a large amount of correlative studys because the water in the mud receives the constraint of multiple reactive force.The hydro-thermal drying technique is a kind of rapidly treatment process of development in recent years, through with the mud heating, under certain temperature and pressure, makes the viscosity hydrolysis of organic matter in the mud, destroys the colloidal structure of mud, can improve dewatering and anaerobic digestion performance simultaneously.With the increase of hydrothermal temperature and pressure, the particle collision probability increases, and intergranular collision has caused the destruction of colloidal structure, and irreducible water is separated with solid particulate.In addition, heating is decomposed the protein in the mud, and cell breaks, and the moisture in the born of the same parents is released.The mud of process hydrothermal treatment consists is under the situation of not adding flocculation agent, and mechanical dehydration can make water ratio be reduced to significantly below 50%, has improved the dewatering of mud greatly, reaches the possibility that Sludge Disposal Techniques develops to low-cost, sustainable direction.
But existing sludge water heat drying treatment unit exists the problem that reaction effect is relatively poor, the material continuity is relatively poor, so the efficient of sludge water heat drying is still very low.
Summary of the invention
The invention provides a kind of sludge water heat drying treatment unit and flashing reactor thereof, can carry out the hydro-thermal drying and other treatment to mud continuously, improved hydro-thermal mummification efficient.
In order to realize above purpose, technical scheme of the present invention is:
The invention provides a kind of sludge water heat drying treatment unit, comprising: the homogeneous reactor drum that is linked in sequence, pulp reactor drum, hydrothermal reactor and flashing reactor;
Said homogeneous reactor drum comprises the first reactor drum tank body and stretches to intravital first whisking appliance of first reactor tank that first material inlet from first reactor drum tank body bottom inputs to first material outlet of the intravital material of first reactor tank after first whisking appliance shreds and stirs, from the first reactor drum tank body top and exports the pulp reactor drum to;
First vapour pipe that said pulp reactor drum comprises the second reactor drum tank body, stretches to intravital second whisking appliance of second reactor tank and can in the second reactor drum tank body, feed steam; Second material inlet from the second reactor drum tank body top inputs to the even preheating of steam that the intravital material of second reactor tank is fed by first vapour pipe, and exports hydrothermal reactor to through stir back, second material outlet from the second reactor drum tank body bottom of second whisking appliance;
Second vapour pipe that said hydrothermal reactor comprises the 3rd reactor drum tank body, stretches to intravital the 3rd whisking appliance of the 3rd reactor tank and can in the 3rd reactor drum tank body, feed steam; Input to steam even heating pressurization that the intravital material of the 3rd reactor tank feeds by second vapour pipe, hydro-thermal reaction takes place from the tertium quid material on the 3rd reactor drum tank body top inlet, and export flashing reactor to through stir back, tertium quid material outlet of the 3rd whisking appliance from the 3rd reactor drum tank body bottom;
Said flashing reactor comprises the 4th reactor drum tank body and the vapor recovery pipe that is communicated with the 4th reactor drum tank body; The 4th reactor drum tank body stores material; And the steam that this material is interior is back to pulp reactor drum and/or hydrothermal reactor through the vapor recovery pipe; The top of the 4th reactor drum tank body has the 4 materials inlet, and the bottom has the 4 materials outlet.
Preferably, said flashing reactor comprises the 4th reactor drum tank body, is arranged on intravital material baffle of the 4th reactor tank and vapor recovery pipe,
The 4 materials inlet of the 4th reactor drum tank body is arranged at the top of the sidewall of the 4th reactor drum tank body; The 4 materials outlet is arranged at the bottom of the 4th reactor drum tank body; Mud material from hydrothermal reactor output inputs in the 4th reactor drum tank body from the 4 materials inlet; The top of the 4th reactor drum tank body has the flash distillation mouth, and the 4th reactor drum tank body is erected at and supports on the skirt
The contiguous said 4 materials inlet of said material baffle is provided with, and inputs to the intravital material impact of the 4th reactor tank steam that material baffle produced and exports from the flash distillation mouth.
Preferably, an end of said vapor recovery pipe is communicated with the flash distillation mouth, and the other end is communicated with first vapour pipe of pulp reactor drum and/or second vapour pipe of hydrothermal reactor.
Preferably, the surperficial and said 4 materials inlet of said material baffle is vertical.
Preferably, the diameter of said 4 materials outlet is than big one or two grade of diameter of said 4 materials inlet.
Preferably, said the 4th reactor drum tank body further comprises a plurality of temperature monitors that are positioned at the 4th reactor drum tank body different heights place.
The present invention also provides a kind of flashing reactor of sludge water heat drying treatment unit, and said sludge water heat drying treatment unit comprises homogeneous reactor drum, pulp reactor drum, hydrothermal reactor and the flashing reactor that is linked in sequence,
Said flashing reactor comprises the reactor drum tank body, is arranged on intravital material baffle of reactor tank and vapor recovery pipe,
The material inlet of said reactor drum tank body is arranged at the top of the sidewall of reactor drum tank body; Material outlet is arranged at the bottom of reactor drum tank body; From the mud material of hydrothermal reactor output in material inlet inputs to the reactor drum tank body; The top of said reactor drum tank body has the flash distillation mouth, and said reactor drum tank body is erected at and supports on the skirt
The contiguous said material inlet setting of said material baffle inputs to the intravital material of reactor tank and impacts the steam that said material baffle produces and export from the flash distillation mouth.
Preferably, an end of said vapor recovery pipe is communicated with the flash distillation mouth, and the other end is communicated with the vapour pipe of pulp reactor drum and/or the vapour pipe of hydrothermal reactor.
Preferably, said material baffle is surperficial vertical with said material inlet.
Preferably, the diameter of said material outlet is than big one or two grade of diameter of said material inlet.
Preferably, said reactor drum tank body further comprises a plurality of temperature monitors that are positioned at reactor drum tank body different heights place.
Sludge water heat drying treatment unit of the present invention is directed against the problem that existing sludge treatment equipment reaction effect is poor, the material continuity is relatively poor; Based on sludge water heat drying treatment technology; Through mud is pulverized, heated, under certain temperature and pressure, with the viscosity hydrolysis of organic matter in the mud; Destroy the colloidal structure of mud, impel irreducible water to separate with solid particulate.
In addition, because treating processes links up between four reactor drums of sludge water heat drying treatment unit of the present invention, the reactor drum input and output material does not have stop, therefore can make the hydro-thermal drying and other treatment process of mud be in the state of continuous operation.
The flashing reactor that is used for sludge water heat drying treatment unit provided by the invention is used for the material after the buffer memory hydro-thermal reaction, and through material baffle and vapor-recovery unit are set, can reclaim flash-off steam, reaches the purpose that makes full use of steam thermal energy.
Description of drawings
Fig. 1 is the structural representation of sludge water heat drying treatment unit of the present invention;
Fig. 2 is the structural representation of the flashing reactor of sludge water heat drying treatment unit of the present invention.
Embodiment
The invention provides a kind of sludge water heat drying treatment unit and flashing reactor thereof, can carry out the hydro-thermal drying and other treatment to mud continuously, improved hydro-thermal mummification efficient.
Fig. 1 is the structural representation of sludge water heat drying treatment unit of the present invention.As shown in Figure 1, sludge water heat drying treatment unit of the present invention comprises homogeneous reactor drum 101, pulp reactor drum 102, hydrothermal reactor 103 and the flashing reactor 104 that is linked in sequence.
Wherein, homogeneous reactor drum 101 comprises the first reactor drum tank body and stretches to intravital first whisking appliance of first reactor tank.First material inlet 111 of homogeneous reactor drum 101 is arranged on the bottom of the first reactor drum tank body, and first material outlet 112 is arranged on the top of the sidewall of the first reactor drum tank body.The mud material in first material inlet 111 inputs to the first reactor drum tank body, after the chopping of first whisking appliance and stirring, exports pulp reactor drum 102 to by first material outlet 112 through HPP.
Second vapour pipe 313 that hydrothermal reactor 103 comprises the 3rd reactor drum tank body, stretches to intravital the 3rd whisking appliance of the 3rd reactor tank and can in the 3rd reactor drum tank body, feed steam.The tertium quid material inlet 311 of hydrothermal reactor 103 is arranged on the top of the sidewall of the 3rd reactor drum tank body, and tertium quid material outlet 312 is arranged on the bottom of the 3rd reactor drum tank body lower cover.The steam even heating pressurization that inputs in the 3rd reactor drum tank body and feed by second vapour pipe 313 from tertium quid material inlet 311 from the mud material of hydrothermal reactor 103 output; Under this temperature and pressure; In the 3rd reactor drum tank body hydro-thermal reaction taking place, and stirs afterwards, exports flashing reactor 104 to from tertium quid material outlet 312 through the 3rd whisking appliance.
Sludge water heat drying treatment unit of the present invention is to utilize hydro-thermal drying and other treatment principle, and mud is carried out deep dehydration.Under certain temperature and pressure, mud generation hydro-thermal reaction, viscosity organism generation hydrolysis wherein, thus the colloidal structure of destruction mud impels irreducible water to separate with solid particulate.In addition, heating also can make the protein in the mud decompose, and cell breaks, and the moisture in the born of the same parents is released, and carry out mechanical dehydration water ratio is reduced significantly, thus the dewatering of raising mud.
Wherein, homogeneous reactor drum 101 is one-level pre-processing devices of sludge water heat drying treatment unit, and it is big to be primarily aimed at material viscosity, and gluey semi-solid characteristics design.It utilizes intravital first whisking appliance of first reactor tank to shred material at a high speed and the material that shreds is stirred.Through with the material chopping, can reduce the particle size and the weight of mud, thereby impel more separate easily of irreducible water and solid particulate.In addition,, make material stir more easily, make material reach the purpose of homogeneous through reducing the particle size of mud.
In addition; Because first material inlet of homogeneous reactor drum 101 is arranged at the bottom of the first reactor drum tank body; First material outlet is arranged at the top of the first reactor drum tank body, form to stir the problem of blind area thereby can avoid material in homogeneous reactor drum 101, to pile up, and helps material and can pile with the first reactor drum tank body; Guarantee that input and output material does not have the stop of accumulation, make material in sludge water heat drying treatment unit, keep the state of operation continuously.
Further; Pulp reactor drum 102 can further be provided with a plurality of temperature monitors that are positioned at the different positions place; Thereby adjust the air flow of first vapour pipe according to the intravital temperature of charge of second reactor tank, make material can preheat equably, and fully stir.Through being set, 102 pairs of mud materials of pulp reactor drum preheat processing; The process that will heat, pressurize the mud material is decomposed in pulp reactor drum 102 and hydrothermal reactor 103 carries out respectively; Can shorten the time that mud reacts in hydrothermal reactor 103, and realize saving the purpose of the energy.Because the residence time of mud material in pulp reactor drum and hydrothermal reactor all shortens, can guarantee that therefore material is in the state that continuous operation is handled.
Further; Hydrothermal reactor 103 can further be provided with a plurality of temperature monitors that are positioned at the different positions place; Thereby adjust the air flow of second vapour pipe according to the intravital temperature of charge of the 3rd reactor tank, make material can heat equably, and fully stir.In addition, hydrothermal reactor 103 can adopt the intermittently mode of input and output material, so that the hydro-thermal reaction of material is more abundant.
Further, flashing reactor 104 can further be provided with a plurality of temperature monitors that are positioned at the different positions place, after material reaches drop temperature, and can be through the material after the dehydration from 4 materials outlet output.
Owing under certain temperature and pressure, can make the viscosity hydrolysis of organic matter in the mud, destroy the colloidal structure of mud, can improve dewatering and anaerobic digestion performance simultaneously.And along with the increase of hydrothermal temperature and pressure, the particle collision probability increases, and intergranular collision has caused the destruction of colloidal structure, and irreducible water is separated with solid particulate.In addition, heating is decomposed the protein in the mud, and cell breaks, and the moisture in the born of the same parents is released.So the sludge water heat drying treatment unit of the application of the invention, the mud of process hydrothermal treatment consists is under the situation of not adding flocculation agent, and mechanical dehydration can make water ratio be reduced to significantly below 50%, has improved the dewatering of mud greatly.And sludge water heat drying treatment unit of the present invention is simple in structure, and can realize energy recycling, therefore can reduce the cost that sludge drying is handled greatly.
Fig. 2 is the structural representation of the flashing reactor of sludge water heat drying treatment unit of the present invention.As shown in Figure 2, the flashing reactor 104 of sludge water heat drying treatment unit of the present invention comprises reactor drum tank body 201, be arranged on the material baffle 202 in the reactor drum tank body 201 and be used to reclaim the vapor recovery pipe 203 of flash-off steam.
The material inlet 204 of reactor drum tank body 201 is arranged at the top of the sidewall of reactor drum tank body 201, and material outlet 205 is arranged at the bottom of reactor drum tank body 201, and material inlet 204 is communicated with the material outlet of the hydrothermal reactor of sludge water heat drying treatment unit.Reactor drum tank body 201 is erected at and supports on the skirt 208.
The position of material baffle 202 contiguous material inlets 204 is provided with; When in hydrothermal reactor, passing through hydro-thermal reaction, being decomposed into liquid material when material inlet 204 feeds in the reactor drum tank bodies 201 basically; Owing to impact material baffle 202; Steam thermal energy unnecessary in the material is discharged, and the flash-off steam of release can be discharged through the flash distillation mouth 206 that is positioned at reactor drum tank body 201 tops.
Use for the energy that reclaims these flash-off steams and to it; Flashing reactor of the present invention further is provided with vapor recovery pipe 203; One end of vapor recovery pipe 203 is communicated with flash distillation mouth 206, and its other end is communicated with the vapour pipe of the pulp reactor drum of sludge water heat drying treatment unit and/or the vapour pipe of hydrothermal reactor.Because in pulp reactor drum and hydrothermal reactor, all need in tank body, feed steam to impel mud material generation hydro-thermal reaction, the flash-off steam that therefore reclaims can be fully used, thereby reaches the effect of save energy.
Preferably; Material inlet 204 employing tangentials get into; Therefore, surface that can material baffle 202 is set to vertical with the direction of material picture library 204, makes the mud material can fully impact material baffle 202 like this; Help steam and receive that impacting the back discharges more heats, thereby improve the utilization ratio of flash-off steam.
Preferably; In order to control the mud material temperature; Be convenient to set discharging time according to temperature of charge, flashing reactor of the present invention further comprises a plurality of temperature monitors 207 that are positioned at the different positions place, thereby adjusts when discharging according to the temperature of charge in the reactor drum tank body 201.
Cotton-shaped solid accumulation occurs and form obstruction for fear of material outlet 205, the caliber of material outlet 205 should be tried one's best greatly, and to guarantee the unimpeded of discharging, promptly the diameter of material outlet 205 should be greater than the diameter of material inlet 204.Preferably, big one or two grade of the diameter of the comparable material inlet 204 of the caliber of material outlet 205.For example the caliber of material inlet 204 is DN50, and material outlet 205 calibers exceed one or two grade so, are taken as DN65 or DN80.
Further, for fear of material sagging phenomenon occurring, the outside surface of the internal surface of reactor drum tank body 201 and material baffle 202 all need carry out polished finish, and its material should be chosen as according to material characteristic and has erosion resistance and anti abrasive material.
The flashing reactor of sludge water heat drying treatment unit of the present invention is used for buffer memory through the mud material of hydro-thermal reaction, when material reaches suitable temperature, carries out discharging.Further; Flashing reactor of the present invention is through being provided with material baffle near the material inlet of reactor drum tank body; Make material when feeding material inlet, impact material baffle, so that wherein unnecessary flash-off steam can discharge, and through this flash-off steam being back to the pulp reactor drum of sludge water heat drying treatment unit and the vapour pipe of hydrothermal reactor; Make steam thermal energy to be used fully, thereby realize the effect of save energy.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (11)
1. a sludge water heat drying treatment unit is characterized in that, comprising: the homogeneous reactor drum that is linked in sequence, pulp reactor drum, hydrothermal reactor and flashing reactor;
Said homogeneous reactor drum comprises the first reactor drum tank body and stretches to intravital first whisking appliance of first reactor tank that first material inlet from first reactor drum tank body bottom inputs to first material outlet of the intravital material of first reactor tank after first whisking appliance shreds and stirs, from the first reactor drum tank body top and exports the pulp reactor drum to;
First vapour pipe that said pulp reactor drum comprises the second reactor drum tank body, stretches to intravital second whisking appliance of second reactor tank and can in the second reactor drum tank body, feed steam; Second material inlet from the second reactor drum tank body top inputs to the even preheating of steam that the intravital material of second reactor tank is fed by first vapour pipe, and exports hydrothermal reactor to through stir back, second material outlet from the second reactor drum tank body bottom of second whisking appliance;
Second vapour pipe that said hydrothermal reactor comprises the 3rd reactor drum tank body, stretches to intravital the 3rd whisking appliance of the 3rd reactor tank and can in the 3rd reactor drum tank body, feed steam; Input to steam even heating pressurization that the intravital material of the 3rd reactor tank feeds by second vapour pipe, hydro-thermal reaction takes place from the tertium quid material on the 3rd reactor drum tank body top inlet, and export flashing reactor to through stir back, tertium quid material outlet of the 3rd whisking appliance from the 3rd reactor drum tank body bottom;
Said flashing reactor comprises the 4th reactor drum tank body and the vapor recovery pipe that is communicated with the 4th reactor drum tank body; The 4th reactor drum tank body stores material; And the steam that this material is interior is back to pulp reactor drum and/or hydrothermal reactor through the vapor recovery pipe; The top of the 4th reactor drum tank body has the 4 materials inlet, and the bottom has the 4 materials outlet.
2. sludge water heat drying treatment unit according to claim 1 is characterized in that,
Said flashing reactor comprises the 4th reactor drum tank body, is arranged on intravital material baffle of the 4th reactor tank and vapor recovery pipe,
The 4 materials inlet of the 4th reactor drum tank body is arranged at the top of the sidewall of the 4th reactor drum tank body; The 4 materials outlet is arranged at the bottom of the 4th reactor drum tank body; Mud material from hydrothermal reactor output inputs in the 4th reactor drum tank body from the 4 materials inlet; The top of the 4th reactor drum tank body has the flash distillation mouth, and the 4th reactor drum tank body is erected at and supports on the skirt
The contiguous said 4 materials inlet of said material baffle is provided with, and inputs to the intravital material impact of the 4th reactor tank steam that material baffle produced and exports from the flash distillation mouth.
3. sludge water heat drying treatment unit according to claim 2 is characterized in that an end of said vapor recovery pipe is communicated with the flash distillation mouth, and the other end is communicated with first vapour pipe of pulp reactor drum and/or second vapour pipe of hydrothermal reactor.
4. according to claim 2 or 3 described sludge water heat drying treatment unit, it is characterized in that said material baffle surface is vertical with said 4 materials inlet.
5. according to claim 2 or 3 described sludge water heat drying treatment unit, it is characterized in that the diameter of said 4 materials outlet is than big one or two grade of diameter of said 4 materials inlet.
6. according to claim 2 or 3 described sludge water heat drying treatment unit, it is characterized in that said the 4th reactor drum tank body further comprises a plurality of temperature monitors that are positioned at the 4th reactor drum tank body different heights place.
7. the flashing reactor of a sludge water heat drying treatment unit, said sludge water heat drying treatment unit comprises homogeneous reactor drum, pulp reactor drum, hydrothermal reactor and the flashing reactor that is linked in sequence,
It is characterized in that,
Said flashing reactor comprises the reactor drum tank body, is arranged on intravital material baffle of reactor tank and vapor recovery pipe,
The material inlet of said reactor drum tank body is arranged at the top of the sidewall of reactor drum tank body; Material outlet is arranged at the bottom of reactor drum tank body; From the mud material of hydrothermal reactor output in material inlet inputs to the reactor drum tank body; The top of said reactor drum tank body has the flash distillation mouth, and said reactor drum tank body is erected at and supports on the skirt
The contiguous said material inlet setting of said material baffle inputs to the intravital material of reactor tank and impacts the steam that said material baffle produces and export from the flash distillation mouth.
8. the flashing reactor of sludge water heat drying treatment unit according to claim 7 is characterized in that, an end of said vapor recovery pipe is communicated with the flash distillation mouth, and the other end is communicated with the vapour pipe of pulp reactor drum and/or the vapour pipe of hydrothermal reactor.
9. according to the flashing reactor of claim 7 or 8 described sludge water heat drying treatment unit, it is characterized in that said material baffle surface is vertical with said material inlet.
10. according to the flashing reactor of claim 7 or 8 described sludge water heat drying treatment unit, it is characterized in that the diameter of said material outlet is than big one or two grade of diameter of said material inlet.
11. the flashing reactor according to claim 7 or 8 described sludge water heat drying treatment unit is characterized in that, said reactor drum tank body further comprises a plurality of temperature monitors that are positioned at reactor drum tank body different heights place.
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| CN2011104470765A CN102531314B (en) | 2011-12-28 | 2011-12-28 | Sludge water heat drying treatment device and flashing reactor thereof |
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| CN2011104470765A CN102531314B (en) | 2011-12-28 | 2011-12-28 | Sludge water heat drying treatment device and flashing reactor thereof |
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| CN105347637A (en) * | 2015-12-14 | 2016-02-24 | 北京洁绿科技发展有限公司 | Continuous sludge pyrohydrolysis system and method |
| CN106795023A (en) * | 2014-09-23 | 2017-05-31 | Bma布伦瑞克机器制造有限公司 | For the method and system of sewage disposal |
| CN107056013A (en) * | 2017-05-24 | 2017-08-18 | 中国东方电气集团有限公司 | A kind of device and method for handling sludge |
| 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 |
| CN114620901A (en) * | 2022-03-31 | 2022-06-14 | 浙江天地环保科技股份有限公司 | Biogas slurry flue gas pyrohydrolysis coupling system for biogas engineering |
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| CN114620901A (en) * | 2022-03-31 | 2022-06-14 | 浙江天地环保科技股份有限公司 | Biogas slurry flue gas pyrohydrolysis coupling system for biogas engineering |
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