CN102219346A - System for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air - Google Patents
System for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air Download PDFInfo
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- CN102219346A CN102219346A CN 201110137154 CN201110137154A CN102219346A CN 102219346 A CN102219346 A CN 102219346A CN 201110137154 CN201110137154 CN 201110137154 CN 201110137154 A CN201110137154 A CN 201110137154A CN 102219346 A CN102219346 A CN 102219346A
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- 239000010802 sludge Substances 0.000 title claims abstract description 44
- 238000001035 drying Methods 0.000 title abstract description 14
- 239000002912 waste gas Substances 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 239000003546 flue gas Substances 0.000 claims description 37
- 238000005382 thermal cycling Methods 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 12
- 239000002918 waste heat Substances 0.000 claims description 10
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 7
- 238000010410 dusting Methods 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 abstract 5
- 238000001149 thermolysis Methods 0.000 abstract 2
- 239000000428 dust Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000011229 interlayer Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 235000019634 flavors Nutrition 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a system for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air. The system comprises a sludge drying machine, wherein a sludge spiral conveying core shaft is arranged in the sludge drying machine; a hot circulating air outlet is formed on one side of the sludge drying machine; a sludge feed port is formed at the upper end of one side of the sludge drying machine; a sludge discharge port and a hot circulating air inlet are formed on the other side of the sludge drying machine; and a dried waste gas outlet of the sludge drying machine is formed above one side near the sludge feed port. The system is characterized in that: the dried sludge discharged from the sludge discharge port is conveyed to the feed port above a thermolysis furnace through a conveying belt and an elevator; a smoke outlet of the thermolysis furnace is communicated with a dioxin combustion chamber for decomposing dioxin in the smoke; a high-temperature smoke outlet of the dioxin combustion chamber is connected with a heat exchanger through a high-temperature pipeline; and the cooled smoke is led to a power spray device and a bag-type dust remover to be treated and then is discharged to air through a chimney. The system can heat air by utilizing the high-temperature smoke generated in the sludge burning process to indirectly dry sludge, can recycle hot air, and is economical, practical, energy-saving and environment-friendly.
Description
Technical field
The present invention relates to the sludge incineration treatment technology, particularly a kind of waste heat that utilizes sludge incineration to produce carries out drying system and the oven dry and the treatment system of mud oven dry.
Background technology
Processing to mud has dual mode usually: a kind of is the method for burying, another kind is a burning method, though the method for burying does not need huge equipment cost, but need the wide place of burying, constantly increase today that the soil reduces day by day at population, the soil is valuable, is human conditions on which persons or things depend for existence, and bury easy polluted underground water source, cause the environmental issue of serious secondary pollution.And the sludge incineration processing becomes lime-ash with sludge incineration, reduced the waste amount, and avoided polluted source, therefore sludge incineration is handled and is had advantages such as minimizing is obvious, the cycle short, innoxious, required in addition site area is much smaller than the area in buried type refuse tip, so the high temperature incineration mode becomes the main selection of sludge treatment gradually.
Yet because the water ratio height (80%) of mud, calorific value is low, directly burning needs to add a large amount of auxiliary fuels, causes the operating cost of its burning too high, and the energy that expends is excessive, not only have a strong impact on the economic benefit of its sludge treatment, and do not have the environmental benefit of carbon reduction.
Mud can produce obnoxious flavoures such as foul smell, chlorine in the process of oven dry, so must carry out harmless treatment to the waste gas that produces, if directly dry mud with steam or flue gas, harmless treatment has increased no small difficulty to waste gas to have a large amount of water vapour in the waste gas, and the increase of tolerance has also improved the input of tail gas treatment device.
If as the heating medium of oven dry mud manufacturing accuracy, sealed precision, the material of drying plant proposed higher requirement with high temperature oil, water vapor, caused the manufacturing cost increase.
The present invention proposes a kind of high-temperature flue gas that utilizes the burning sludge process to be produced and produces high temperature air by efficient heat exchanger, dries the method for mud indirectly with high temperature air, and economical and practical, the energy-conserving and environment-protective of this method are the potential methods of a kind of novelty.
Summary of the invention
Problem in view of above-mentioned existence, the present invention has introduced a kind of mud oven dry and treatment system of utilizing waste heat to produce the high temperature circulation air, this system not only can effectively handle the mud of sanitary sewage disposal factory, and can utilize the waste gas (flue gas) that sludge incinerator discharges to produce high temperature air by heat exchanger, dry mud indirectly with high temperature air; High temperature air circulates in the air flue of sealing, and the air of lowering the temperature behind the oven dry mud is got back to heat exchanger again through using economical and practical, energy-conserving and environment-protective after the heat exchange repeatedly.
Technical program of the present invention lies in: a kind of mud oven dry and treatment system of utilizing waste heat to produce the high temperature circulation air, comprise that inside is provided with the mud dryer of mud helical feed mandrel, one side of described mud dryer is provided with the thermal cycling air and is positioned at the sludge inlet of upper end, its opposite side is provided with mud discharge port and thermal cycling air intlet, the oven dry waste gas outlet of described mud dryer is arranged near sludge inlet one side top, it is characterized in that: the opening for feed that is sent to the thermal decomposition furnace top from the oven dry mud of mud discharge port discharge through conveying belt and lift, the flue gas exhaust mouth of described thermal decomposition furnace is connected with the dual firing chamber that is used for decomposing the flue gas dioxin, the high-temperature flue gas venting port of described dual firing chamber is connected with heat exchanger through high-temperature pipe, flue gas leads to dusting device and sack cleaner is handled after cooling off, after chimney enter in the atmosphere.
Above-mentioned heat exchanger is made of high-temperature heat exchanger and low temperature heat exchanger series connection, the thermal cycling air of described mud dryer is pumped to low temperature heat exchanger and high-temperature heat exchanger and high-temperature flue gas through recirculation blower and is carried out heat exchange, and the thermal cycling air of described high-temperature heat exchanger is connected with the thermal cycling air intlet of mud dryer through the high temperature circulation pipeline.
On the connecting pipeline between the thermal cycling air of above-mentioned mud dryer and the recirculation blower circulating air aeration valve that communicates with atmosphere is installed, on the described high temperature circulation pipeline electric heater that is used for the boosting hot blast is installed.
The oven dry waste gas outlet of above-mentioned mud dryer is connected with condenser with connecting pipeline through induced draft fan, is sent to dual firing chamber's combustion decomposition through condensed gas by induced draft fan and connecting pipeline and handles.
Advantage of the present invention:
1. before the pyrolyzing sludge burning mud is dried processing, the water content of mud can be dropped to 45% from 80%,, make mud be easy to burning owing to improved the calorific value of mud.The sludge incineration process flashes to water vapour to water and needs a large amount of fuel, has therefore reduced the water content of mud, but mud fuel saving when burning.Reduced the water vapour that sludge incineration produces, the concentration that also makes flue gas is easy to the spontaneous combustion of flue gas in dual firing chamber not by excessive dilution, dual firing chamber can add less or not refuel just can decompose the obnoxious flavour dioxin in the flue gas.Sludge incineration certainly will increase exhaust gas volumn if produce a large amount of water vapour, and the subsequent disposal of flue gas has been increased difficulty, certainly will improve the equipment input cost.The flue gas that contains water vapour can produce the haze phenomenon at throat when chimney is discharged.Therefore the oven dry processing before the sludge incineration is an extremely important link in sludge incinerating system, and it plays very important effect to the energy-saving and emission-reduction of total system, the investment of minimizing equipment.
2. utilize high-temperature flue gas that sludge incineration produces through high-temperature heat exchanger, low temperature heat exchanger with air heating to 500 ℃, high temperature air is dried processing by the spiral dryer to mud as heating medium, makes the water content of mud drop to 45%.Owing to adopt the indirect mode heating, high temperature air separates with smelly, waste gas that the mud oven dry produces, and high temperature air can recycle in an airtight air flue, reduces the consumption of thermal source.High temperature air under the application normal pressure is as heating medium, and than using water vapor, other medium of high temperature wet goods requires to have reduced many to sealing, the manufacturing accuracy of drying plant.Because water vapour is high temperature and high pressure gas, high pressure gas are higher to the bonding surface seal request of container pressure-bearing and each container.The container of high pressure gas will be made according to the standard of pressurized vessel, though high temperature oil is not a high pressure, high temperature oil container, transport pipe are made olefiant leakage and polluted the environment if sealing is improper.Therefore use all corresponding raising of device fabrication precision of water vapour, high temperature oil.And use the high-temperature pressure air not have pressure, and the leakage of high-temperature pressure air can not pollute environment yet.So its equipment is also simple relatively, low cost of manufacture.
3. usually the Incineration of waste system all will be provided with the flue gas cool-down system, the effect of flue gas cool-down system be exactly allow high-temperature flue gas (dual firing chamber's temperature out can up to 1100 ℃) but cool to the temperature range of follow-up fume treatment auxiliary works better.The present invention utilizes efficient heat exchanger to replace the flue gas cool-down system promptly to reach the cooling flue gas and provides thermal source for the mud oven dry again.It is that the waste gas (high-temperature flue gas) that makes full use of the sludge incinerator generation is handled carrying out the mud oven dry before the sludge incineration that common dryer all will independently provide thermal source, native system, reaches energy-conservation, reduces discharging the purpose of environmental protection.
Description of drawings
Fig. 1 is the drying machine structure synoptic diagram.
Fig. 2 is the system architecture synoptic diagram of embodiments of the invention.
Fig. 3 is a sludge treatment technique schema of the present invention.
Among the figure: 1 is refractory materials, and 2 are the thermal cycling air, and 3 is sludge inlet, 4 is the helical feed mandrel, and 5 are mud oven dry conveying interlayer, and 6 are the oven dry waste gas outlet, 7 is helical intake, and 8 are the oven dry waste gas outlet, and 9 is the mud discharge port, 10 are the thermal cycling air intlet, and 11 is inlet plenum, and 12 is conveying belt, 13 is chapelet, and 14 is thermal decomposition furnace, and 15 is dual firing chamber, 16 is high-temperature heat exchanger, and 17 is low temperature heat exchanger, and 18 is dusting device, 19 is sack cleaner, 20 is induced draft fan, and 21 is chimney, and 22 is the mud dryer, 23 is recirculation blower, 24 is aeration valve, and 25 is electric heater, and 26 is condenser.
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. are described in detail below.
Please refer to accompanying drawing 1 and Fig. 2, a kind of mud oven dry and treatment system of utilizing waste heat to produce the high temperature circulation air of the present invention, comprise that inside is provided with the mud dryer 22 of mud helical feed mandrel 4, the axle center of helical feed mandrel 4 is a helical intake, can lead to high temperature air, make its high temperature air carry out indirect heat exchange with mud abundantly; Described mud helical feed mandrel one end is provided with high temperature air inlet plenum 11, above inlet plenum 11, be provided with thermal cycling air intlet 10, this form gas-storing capacity is big, also solved simultaneously turnover gas and connected, seal a difficult problem, atm number is convenient to carry interlayer to carry high temperature air to helical feed mandrel and mud oven dry.Insulation form high insulating effect in air chamber adopts.Helical feed mandrel 4 has air inlet port at axle head air chamber place, and this intake method has overcome with the screwed union air input little, the defective of high temperature element easy to wear, and inlet mouth need not sealing.Mud oven dry carries interlayer 5 air flues to be provided with spoiler, and spoiler is put 12 spoilers along axis direction every 2 meters, circumferentially.Spoiler has improved the turbulence level of gas, makes by the mud oven dry to carry the rate of heat exchange of the high temperature air of interlayer to be improved.Helical intake 7 places in the helical feed mandrel, and high-temperature gas has increased turbulivity along helicoidal flow, has improved rate of heat exchange.Be provided with thermal cycling air 2 at the discharge chamber left surface.Carry interlayer 5 upper left sides to establish sludge inlet 3 in the mud oven dry, the lower right is provided with mud discharge port 9, middle two air outlets 6,8 oven dry waste gas outlets for mud drying course generation hot steam and waste gas, it is characterized in that: the opening for feed that is sent to thermal decomposition furnace 14 tops from the oven dry mud of mud discharge port 9 discharges through conveying belt 12 and chapelet 13, the flue gas exhaust mouth of described thermal decomposition furnace 14 is connected with the dual firing chamber 15 that is used for decomposing the flue gas dioxin, the high-temperature flue gas venting port of described dual firing chamber 15 is connected with heat exchanger through high-temperature pipe, flue gas leads to dusting device 18 and sack cleaner 19 is handled after cooling off, after chimney 21 enter in the atmosphere.
Above-mentioned heat exchanger is made of high-temperature heat exchanger 16 and low temperature heat exchanger 17 series connection, the thermal cycling air of described mud dryer 22 is pumped to low temperature heat exchanger 17 and high-temperature heat exchanger 16 and high-temperature flue gas through recirculation blower 23 and is carried out heat exchange, and the thermal cycling air of described high-temperature heat exchanger 16 is connected with the thermal cycling air intlet of mud dryer 22 through the high temperature circulation pipeline.
On the connecting pipeline between the thermal cycling air 2 of above-mentioned mud dryer 22 and the recirculation blower 23 the circulating air aeration valve 24 that communicates with atmosphere is installed, the electric heater 25 that is used for the boosting hot blast is installed on the described high temperature circulation pipeline.
The oven dry waste gas outlet 6,8 of above-mentioned mud dryer 22 is connected with condenser 26 with connecting pipeline through induced draft fan, is sent to dual firing chamber's 15 combustion decomposition through condensed gas by induced draft fan and connecting pipeline and handles.
Technical process of the present invention is as follows:
Please refer to Fig. 3, the mud after the oven dry of drying machine is handled is sent into the burning of pyrolyzing sludge stove, and the pyrolyzing sludge combustion processes can produce flue gas, contains the dioxin obnoxious flavour in the flue gas.Dioxin at high temperature is easy to decompose, and stops 1s at 1000 ℃, and stopping the number microsecond at 1100 ℃ can decompose fully.Since mud in the pyrolysis temperature of pyrolysis oven usually between 180 ℃-600 ℃.For De dioxin in the flue gas is decomposed, flue gas is transported to dual firing chamber, dual firing chamber is equipped with two-section type diesel combustion machine, the unlatching amplitude of combustion engine or close by automatically control of design temperature (design temperature feeds back to the PLC Controlling System by thermopair) is playing a heater stage, because furnace temperature is lower, need to open combustion engine dual firing chamber is carried out heat temperature raising, during the pyrolysis gas spontaneous combustion, furnace temperature can rise rapidly and reach design temperature, and auxiliary combustion equipment is then closed automatically.Being warmed to 1000 ℃ through dual firing chamber thoroughly decomposes dioxin.Enter efficient heat exchanger through dual firing chamber's incendiary high-temperature flue gas through high-temperature pipe.Through high-temperature heat exchanger, (common heat exchanger working temperature is no more than 400 ℃ to low temperature heat exchanger heat, and 1000 ℃ of the working temperatures of the heat exchanger of this system, material, structure to heat exchanger have proposed particular requirement, material will adopt high temperature material, because working temperature is at 1000 ℃, the amount of expanding with heat and contract with cold of heat exchanger is big, therefore structure being had particular requirement) exchange is warmed to 500 ℃ with the heating medium-air of dryer from 150 ℃, and flue gas is also reduced to 180 ℃ from 1000 ℃ through heat exchange temperature.Flue gas passes through dusting device (activity charcoal powder or slaked lime etc.) again, sack cleaner reaches emission standard after chimney is drained.
500 ℃ of air are through the inlet plenum of pipe-line transportation to dryer, deliver to the mud oven dry respectively by inlet plenum and carry air flue in interlayer air flue and the spiral mandrel, in mud oven dry conveying interlayer air flue and spiral mandrel air flue, be equipped with special structure to increase the heat exchange specific area, improve rate of heat exchange.Get back to pipeline from the dryer discharge chamber behind the high temperature air process spiral dryer, pipeline is the airtight recycle system, and air is got back to dryer again behind heat exchanger.Mud drops to 45% through high temperature air oven dry water content from 80%, sends into the burning of pyrolyzing sludge stove again through the mud of oven dry.
The present invention does not limit to above-mentioned preferred forms, and anyone can draw other various forms of mud oven dry and treatment systems of utilizing waste heat to produce the high temperature circulation air under enlightenment of the present invention.All equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (4)
1. a mud that utilizes waste heat to produce the high temperature circulation air is dried and treatment system, comprise that inside is provided with the mud dryer of mud helical feed mandrel, one side of described mud dryer is provided with the thermal cycling air and is positioned at the sludge inlet of upper end, its opposite side is provided with mud discharge port and thermal cycling air intlet, the oven dry waste gas outlet of described mud dryer is arranged near sludge inlet one side top, it is characterized in that: the opening for feed that is sent to the thermal decomposition furnace top from the oven dry mud of mud discharge port discharge through conveying belt and lift, the flue gas exhaust mouth of described thermal decomposition furnace is connected with the dual firing chamber that is used for decomposing the flue gas dioxin, the high-temperature flue gas venting port of described dual firing chamber is connected with heat exchanger through high-temperature pipe, flue gas leads to dusting device and sack cleaner is handled after cooling off, after chimney enter in the atmosphere.
2. a kind of mud oven dry and treatment system of utilizing waste heat to produce the high temperature circulation air according to claim 1, it is characterized in that: described heat exchanger is made of high-temperature heat exchanger and low temperature heat exchanger series connection, the thermal cycling air of described mud dryer is pumped to low temperature heat exchanger and high-temperature heat exchanger and high-temperature flue gas through recirculation blower and is carried out heat exchange, and the thermal cycling air of described high-temperature heat exchanger is connected with the thermal cycling air intlet of mud dryer through the high temperature circulation pipeline.
3. a kind of mud oven dry and treatment system of utilizing waste heat to produce the high temperature circulation air according to claim 2, it is characterized in that: on the connecting pipeline between the thermal cycling air of described mud dryer and the recirculation blower circulating air aeration valve that communicates with atmosphere is installed, on the described high temperature circulation pipeline electric heater that is used for the boosting hot blast is installed.
4. a kind of mud oven dry and treatment system of utilizing waste heat to produce the high temperature circulation air according to claim 1, it is characterized in that: the oven dry waste gas outlet of described mud dryer is connected with condenser with connecting pipeline through induced draft fan, is sent to dual firing chamber's combustion decomposition through condensed gas by induced draft fan and connecting pipeline and handles.
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| CN 201110137154 CN102219346B (en) | 2011-05-26 | 2011-05-26 | System for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air |
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| CN 201110137154 CN102219346B (en) | 2011-05-26 | 2011-05-26 | System for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air |
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| CN102219346B CN102219346B (en) | 2012-12-05 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435082A (en) * | 2011-10-28 | 2012-05-02 | 北京建筑材料科学研究总院有限公司 | Two-phase heat exchanger and system utilizing cement kiln waste heat to dry sludge |
| CN102603150A (en) * | 2011-10-26 | 2012-07-25 | 友达光电股份有限公司 | Closed air circulation sludge dryer |
| CN103288321A (en) * | 2013-04-28 | 2013-09-11 | 浙江中科兴环能设备有限公司 | Sludge anhydration system |
| CN103657520A (en) * | 2013-12-31 | 2014-03-26 | 昆明特康科技有限公司 | Powder material and liquid material mixing equipment |
| CN103750504A (en) * | 2013-12-31 | 2014-04-30 | 昆明特康科技有限公司 | Quick normal-temperature drying equipment and normal-temperature drying method for pine pollens |
| CN104591516A (en) * | 2014-12-01 | 2015-05-06 | 嵊州领航信息科技有限公司 | Excrement drying apparatus capable of circulating waste heat |
| CN107973500A (en) * | 2017-10-25 | 2018-05-01 | 中国石油化工股份有限公司 | A kind of excess sludge mixed hydrolysis processing unit and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008114173A (en) * | 2006-11-06 | 2008-05-22 | Sumitomo Osaka Cement Co Ltd | Method and apparatus for treating high-water content organic waste |
| CN101618930A (en) * | 2009-07-28 | 2010-01-06 | 清华大学 | Mud drying system and use method thereof |
| CN101913744A (en) * | 2010-07-22 | 2010-12-15 | 清华大学 | Biophysical drying device and method of continuous flow sludge |
| CN202109741U (en) * | 2011-05-26 | 2012-01-11 | 福建庄讯环保科技有限公司 | Sludge baking and treatment system utilizing waste heat to generate high-temperature circulation air |
-
2011
- 2011-05-26 CN CN 201110137154 patent/CN102219346B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008114173A (en) * | 2006-11-06 | 2008-05-22 | Sumitomo Osaka Cement Co Ltd | Method and apparatus for treating high-water content organic waste |
| CN101618930A (en) * | 2009-07-28 | 2010-01-06 | 清华大学 | Mud drying system and use method thereof |
| CN101913744A (en) * | 2010-07-22 | 2010-12-15 | 清华大学 | Biophysical drying device and method of continuous flow sludge |
| CN202109741U (en) * | 2011-05-26 | 2012-01-11 | 福建庄讯环保科技有限公司 | Sludge baking and treatment system utilizing waste heat to generate high-temperature circulation air |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603150A (en) * | 2011-10-26 | 2012-07-25 | 友达光电股份有限公司 | Closed air circulation sludge dryer |
| CN102435082A (en) * | 2011-10-28 | 2012-05-02 | 北京建筑材料科学研究总院有限公司 | Two-phase heat exchanger and system utilizing cement kiln waste heat to dry sludge |
| CN102435082B (en) * | 2011-10-28 | 2013-07-31 | 北京建筑材料科学研究总院有限公司 | Two-phase heat exchanger and system utilizing cement kiln waste heat to dry sludge |
| CN103288321A (en) * | 2013-04-28 | 2013-09-11 | 浙江中科兴环能设备有限公司 | Sludge anhydration system |
| CN103657520A (en) * | 2013-12-31 | 2014-03-26 | 昆明特康科技有限公司 | Powder material and liquid material mixing equipment |
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