CN107677063A - A kind of energy-saving safe clean moulded coal drying system - Google Patents

A kind of energy-saving safe clean moulded coal drying system Download PDF

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Publication number
CN107677063A
CN107677063A CN201711177482.8A CN201711177482A CN107677063A CN 107677063 A CN107677063 A CN 107677063A CN 201711177482 A CN201711177482 A CN 201711177482A CN 107677063 A CN107677063 A CN 107677063A
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CN
China
Prior art keywords
flue gas
air
moulded coal
clean moulded
temperature flue
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Application number
CN201711177482.8A
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Chinese (zh)
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CN107677063B (en
Inventor
杨年龙
蔡伦
王士洪
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Hubei Jinlu Energy Saving Co ltd
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Building Material Energy Saving Apparatus General Plant Huangshi
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Priority to CN201711177482.8A priority Critical patent/CN107677063B/en
Publication of CN107677063A publication Critical patent/CN107677063A/en
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Publication of CN107677063B publication Critical patent/CN107677063B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The present invention relates to clean moulded coal to dry field, specifically a kind of energy-saving safe clean moulded coal drying system, including revolving direct current diffusion type air register, interior circulation clean moulded coal drying machine outlet connection dry-dedusting system, rotation direct current diffusion type air register includes a mixing wind tube, one end of mixing wind tube is high-temperature flue gas entry, and the other end is mixed flue gas outlet, and tangential close to high-temperature flue gas entry end is provided with low-temperature flue gas entrance；Several separate drying chambers are arranged with left and right sides of interior circulation clean moulded coal dryer inner, centre forms a passageway run through, and enterprising air channel, middle air -return duct are provided with from top to bottom in passageway, lower air inlet duct, middle air -return duct are connected with revolving the low-temperature flue gas entrance of direct current diffusion type air register；The outlet of dry-dedusting system is connected respectively with the low-temperature flue gas entrance of blower fan A entrances and rotation direct current diffusion type air register；Safe and efficient, energy-conserving and environment-protective of the invention, suitable for the improvement to existing clean moulded coal drying system.

Description

A kind of energy-saving safe clean moulded coal drying system
Technical field
The present invention relates to molding materials to dry field, specifically a kind of energy-saving safe clean moulded coal drying system.
Background technology
Filter Tuber For Clean Coal is together well mixed with dry powder or liquid additive by coke powder or anchracite duff, using forming machine by its Flat ball type shape coal is made, because " wet bulb " low intensity, flexible type, crushes, it is therefore desirable to just have its moisture control within 3% Received shipment is defeated, preserves, the requirement of burning, so the drying of clean moulded coal turns into one of crucial process.
Existing clean moulded coal drying system is as shown in figure 1, by blower fan A1, blower fan B4, blower fan C7, hot-blast stove 2, wind-mixer 3, drying machine 5, wet dust collector system 6 forms, and 750 ~ 900 DEG C of high-temperature flue gas caused by hot-blast stove 2 are by natural air distribution by temperature Be adjusted to 90 ~ 100 DEG C and drying machine 5 be sent into by blower fan B4, flue gas by the cloth air channel in drying machine 5 and moulded coal contact heat-exchanging, To moulded coal dry, the high humidity low-temperature flue gas after having dried by further being purified by wet dedusting system 6 after cyclone collection dust, Flue gas after the completion of purification directly discharges, caused coal slime by being recycled after further handling, this system be from coal and Convert in the pelletizing drying line of miberal powder compacting, certain application has also been obtained in moulded coal dries production, but in actual life Problems with during production be present：
1st, the dry flue gas for being sent into drying machine is to carry out air distribution using natural air, larger with air quantity so that into drying machine cigarette Close to 20%, coal briquette easily catches fire the oxygen content of gas in drying machine, can only be controlled less than 100 so being sent into and drying built-in temperature DEG C, when being such as higher than 100 DEG C, then the situation that coal briquette burns in drying machine occurs；
2nd, high-temperature flue gas is quenched irregular, and flue-gas temperature caused by hot-blast stove is at 750 ~ 900 DEG C, it is necessary to which temperature is reduced into 90 ~ 100 DEG C, air is approximately the amount of 10 times of flue gas if carrying out distribution using 25 DEG C of natural air, the uniformity of its distribution is produced compared with Big influence, the condition of production site is limited to, the flue limited length after distribution so that the unilateral temperature of flue gas is higher than 100 DEG C so that the higher situation for causing coal briquette to burn of local temperature in drying machine；
3rd, because heat smoke is to be blasted by blower fan malleation in drying machine, the top pan feeding and bottom discharging airborne dust of drying machine are very big, In-situ production environment is severe；
4th, dried fume afterheat temperature is about 65 ~ 85 DEG C, and exit gas directly discharges, and without recycling, is caused a large amount of Heat-energy losses.
The content of the invention
The purpose of the present invention be exactly in order to solve existing clean moulded coal drying system have in actual production process it is upper State problem, there is provided a kind of energy-saving safe clean moulded coal drying system.
The present invention concrete scheme be：A kind of energy-saving safe clean moulded coal drying system, including blower fan A, blower fan A outlet with Hot-blast stove is connected, and a hot-blast stove exiting flue gas part is discharged by safety valve, and a part connects rotation direct current by high-temperature valve and spread Formula air register, rotation direct current diffusion type air register outlet connecting fan B, the interior circulation clean moulded coal drying machine of blower fan B connections, interior circulation Clean moulded coal drying machine outlet connection dry-dedusting system, the rotation direct current diffusion type air register include a cylindric mixed wind Pipe, one end of mixing wind tube is high-temperature flue gas entry, and the other end is mixed flue gas outlet, and the mixing wind tube enters close to high-temperature flue gas The tangential of mouthful end is provided with low-temperature flue gas entrance, divides wind equipped with least different cylindrical shape of two-stage radius along total length inside mixing wind tube Cylinder, per fraction air duct and mixing wind tube is coaxially arranged, from high-temperature flue gas entry end to mixed flue gas outlet end, divides the radius one of air duct Level one-level increase, is fixed in mixing wind tube, per fraction air duct, all circumferentially face is evenly distributed with per fraction air duct by support bar Divide air holes；The interior circulation clean moulded coal drying machine has a square shell, is arranged with left and right sides of enclosure some Individual separate drying chamber, a passageway run through is formed between two row drying chambers, is set successively from top to bottom in the passageway There is an enterprising air channel, middle air -return duct, lower air inlet duct, the enterprising air channel, middle air -return duct, what lower air inlet duct contacted with each drying chamber Side is designed with the air distribution plate with air holes, and drying chamber is communicated by the air distribution plate with air channel；Set at the top of drying machine along total length There is distributing trough, each drying chamber is corresponded to below distributing trough and is designed with deflector chute, is provided with below deflector chute and is used to collect drying chamber top Discharge the upper dust gathering arrester of flue gas in portion；Dry motor spindle to be located at below drying chamber equipped with the discharge bucket being connected with drying chamber, each go out Discharger is housed below hopper, sieving plate is housed below discharger, is connected below sieving plate and demarcation strip is housed, set below demarcation strip There is belt conveyer, also next part dust hood is provided with along total length above sieving plate below discharge bucket in passageway, dry motor spindle and set There is support frame, the middle air -return duct is connected with revolving the low-temperature flue gas entrance of direct current diffusion type air register；The dry-dedusting system Enter including dust-precipitator, dust-precipitator outlet connecting fan C, the flue gas part discharge of blower fan C outlet, another part with blower fan A The low-temperature flue gas entrance of mouth and rotation direct current diffusion type air register connects respectively.
Enterprising air channel of the present invention and/or lower air inlet duct be divided into by a total air channel be arranged in drying machine both sides and Three middle air channels are formed, and three air channels communicate with total air channel.
Discharge bucket and discharger of the present invention are flexible sealing structure.
The level detector for detecting material position in drying chamber is additionally provided with the top of drying chamber of the present invention.
Mixing wind tube of the present invention is provided with one layer of heat preservation material on the surface at high-temperature flue gas entry end.
Low-temperature flue gas entry number of the present invention is 1 ~ 4.
Of the present invention point of air holes is axially disposed strip.
Operation principle：High-temperature flue gas after hot-blast stove is handled is in the presence of blower fan B from rotation direct current diffusion type air distribution The high-temperature flue gas entry end of the mixing wind tube of device enters, and to the Outlet-side flow of mixing wind tube, low-temperature flue gas is cut from mixing wind tube is arranged in Upward low-temperature flue gas entrance enters, and is divided into two parts, and a part passes through gap per the support bar of fraction air duct to mixing wind tube Outlet-side flow, another part through the first fraction air duct point air holes radially flow be sufficiently mixed with high-temperature flue gas after again To the Outlet-side flow of mixing wind tube, after the first fraction air duct and low-temperature flue gas are sufficiently mixed the temperature of high-temperature flue gas significantly under Drop；Mix, make with the low-temperature flue gas of point air holes through the second fraction air duct again when mixed flue gas flow to the second fraction air duct Mixed flue gas further cools；By this process, mixed flue gas during to mixing wind tube Outlet-side flow one-level one-level by Step cooling, finally reaches preferable state of temperature and enters drying machine；Wet molding materials are sent into interior circulation cleaning by conveyer Distributing trough at the top of moulded coal drying machine, it is evenly dispersed to by deflector chute in each drying chamber, treats that material is covered with whole drying By controlling the withdrawal rate of discharger below discharge bucket after chamber, material is slowly moved down under gravity, pass through Quenched good flue gas is sent into enterprising air channel and lower air inlet duct by blower fan simultaneously, and flue gas is by dividing air holes to enter each drying chamber； Enterprising air channel can be adjusted with lower air inlet duct flue-gas temperature and flow, make drying chamber by the temperature and flow that adjust flue gas Interior material is divided into rapid draing and dries two processes at a slow speed：Part more than wherein enterprising air channel is flash drying process, Flue gas flow direction herein is flowed up after entering drying chamber from enterprising air channel, and last flue gas is discharged by upper dust gathering arrester；Under enter Part between air channel and enterprising air channel is drying process at a slow speed, and flue gas flow direction herein is after lower air inlet duct enters drying chamber Flow up, turn again in rotation direct current diffusion type air register in the presence of blower fan B after then discharging by middle air -return duct Row air distribution, and it is recycled into air inlet duct up and down；Dried material is completed by drying chamber and includes powder and molding materials, by going out Discharger below hopper is sent into sieving plate screening, and molding materials are fallen among demarcation strip above sieving plate, and powder is from screening Demarcation strip both sides are fallen on below plate, so that molding materials are fallen on the inside of belt conveyer, powder is fallen on the outside of belt conveyer, Flue gas containing powder is discharged under suction function by next part dust hood, upper dust gathering arrester and the ash-laden gas quilt of next part dust hood discharge Powder is collected rear direct recycling after dust-precipitator is gathered and passed through processing, and flue gas is transported to wind in the presence of blower fan C Machine A arrival end and the low-temperature flue gas arrival end of rotation direct current diffusion type air register are re-circulated utilization.
The invention has the advantages that：1st, interior circulation clean moulded coal drying machine will using interior air channel bilateral cloth wind mode Flue gas is fully contacted by cloth wind structure with material, and drying effect is good；2nd, interior circulation clean moulded coal drying machine in setting by returning Air channel and lower air inlet duct are dried at a slow speed to material, by material evenly drying, are avoided the heat of existing drying machine damaged, are improved into Type material yield rate；3rd, through overwinding direct current after the low humidity flue gas discharged by air -return duct in interior circulation clean moulded coal drying machine is extracted out Diffusion type air register is participated in flue gas recirculation again, has saved the energy, reduces flue gas oxygen content, improves security；4、 The material of discharge is cooled down and gathered dust using by the low temperature wind of next part dust hood；5th, by setting sieving plate and demarcation strip to make Powder and molding materials are separated during discharging, and environmental pollution is individually sieved after avoiding existing drying machine discharge；6th, it is of the invention Rotation direct current diffusion type air register sets multistage to divide air duct with point air holes, makes high-temperature flue gas fully mixed rapidly with low-temperature flue gas Close, cooling rate greatly improves；The part that low-temperature flue gas axially flows along mixing wind tube simultaneously, low temperature guarantor can be carried out to wind-mixer Shield, avoids localized hyperthermia from being damaged to caused by wind-mixer.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing clean moulded coal drying system；
Fig. 2 is the schematic diagram of the present invention；
Fig. 3 is the front view of circulation clean moulded coal drying machine in the present invention；
Fig. 4 is Fig. 3 left view；
Fig. 5 is Fig. 4 A-A views；
Fig. 6 is Fig. 4 B-B views；
Fig. 7 is the partial enlarged view of interior circulation clean moulded coal drying machine discharging screening part；
Fig. 8 is the three-dimensional view of present invention rotation direct current diffusion type air register；
Fig. 9 is Fig. 8 front view；
In figure：1- blower fans A, 2- hot-blast stove, 3- wind-mixers, 4- blower fans B, 5- drying machine, 6- wet dust collector systems, 7- blower fans C, 8- Direct current diffusion type air register, 801- low-temperature flue gas entrances are revolved, 802- divides air duct, 803- high-temperature flue gas entries, 804- insulation materials, 805- divides air holes, 806- support bars, 807- mixed flue gas outlets, 808- mixing wind tubes, the interior circulation clean moulded coal drying machines of 9-, 901- Distributing trough, 902- deflector chutes, 903- shells, the enterprising air channels of 904-, 905- drying chambers, air -return duct in 906-, air inlet duct under 907-, 908- discharge buckets, 909 dischargers, 910- sieving plates, 911- demarcation strips, the upper dust gathering arresters of 912-, 913- rapid draing section flue gases, 914- level detectors, 915- dryer section flue gases at a slow speed, 916- next part dust hoods, 917- support frames, ash-laden gas under 918-, 919- conveyings Belt feeder, 920- air distribution plates.
Embodiment
Referring to Fig. 1-9, the present embodiment is a kind of energy-saving safe clean moulded coal drying system, including blower fan A1, blower fan A1 go out Mouth is connected with hot-blast stove 2, and the exiting flue gas part of hot-blast stove 2 is discharged by safety valve, and a part is straight by high-temperature valve connection rotation Diffusion type air register 8 is flowed, rotation direct current diffusion type air register 8 exports connecting fan B4, and circulation clean moulded coal is done in blower fan B4 connections Dry machine 9, interior circulation clean moulded coal drying machine 9 export connection dry-dedusting system 10, and the rotation direct current diffusion type air register 8 includes One cylindric mixing wind tube 808, one end of mixing wind tube 808 is high-temperature flue gas entry 803, and the other end is mixed flue gas outlet 807, the mixing wind tube 808 close to high-temperature flue gas entry end 803 it is tangential on be provided with low-temperature flue gas entrance 801, mixing wind tube 808 Air duct 802 is divided in inside along total length equipped with least different cylindrical shape of two-stage radius, coaxial with mixing wind tube 808 per fraction air duct 802 Arrangement, from high-temperature flue gas entry end 803 to mixed flue gas outlet end 807, divides the radius one-level one-level of air duct 802 to increase, every grade Air duct 802 is divided to be fixed on by support bar 806 in mixing wind tube 808, all circumferentially face is evenly distributed with a point wind per fraction air duct 802 Hole 805；The interior circulation clean moulded coal drying machine 9 has a square shell 903, and the inside of shell 903 left and right sides is symmetrically set Have several separate drying chambers 905, form a passageway run through between two row drying chambers 905, in the passageway from Enterprising air channel 904, middle air -return duct 906, lower air inlet duct 907, the enterprising air channel 904, middle air -return duct are up to sequentially provided with down 906, lower air inlet duct 907 and the side that each drying chamber 905 contacts are designed with the air distribution plate 920 with air holes, and drying chamber 905 is logical The air distribution plate 920 is crossed to communicate with air channel；The top of drying machine 9 is provided with distributing trough 901 along total length, and the lower section of distributing trough 901 is corresponding every Individual drying chamber 905 is designed with deflector chute 902, and the side of deflector chute 902 is provided with the upper collection for being used for collecting the top of drying chamber 905 discharge flue gas Dust hood 912；The bottom of drying machine 9 is located at the lower section of drying chamber 905 equipped with the discharge bucket 908 being connected with drying chamber 905, each discharge bucket 908 lower sections are equipped with discharger 909, and the lower section of discharger 909 is equipped with sieving plate 910, and the connection of the lower section of sieving plate 910 is equipped with demarcation strip 911, the lower section of demarcation strip 911 is provided with belt conveyer 919, and the top of 908 lower section sieving plate of discharge bucket 910 is located in passageway also along complete Long to be provided with next part dust hood 916, the bottom of drying machine 9 is provided with support frame 917, the middle air -return duct 906 and rotation direct current diffusion type air distribution The low-temperature flue gas entrance 801 of device 8 connects；The dry-dedusting system 10 includes dust-precipitator, dust-precipitator outlet connecting fan C7, wind The flue gas part discharge of machine C7 outlet, another part and blower fan A1 entrances and the low temperature cigarette of rotation direct current diffusion type air register 8 Gas entrance 801 connects respectively.
Enterprising air channel 904 described in the present embodiment and lower air inlet duct 907 one of them or both be by a total wind Road, which is divided into, is arranged in the both sides of drying machine 9 and three middle air channels composition, and three air channels communicate with total air channel, preferred embodiment two Person is to be divided into the both sides of drying machine 9 and three middle air channels by a total air channel to form.
Discharge bucket 908 described in the present embodiment and discharger 909 are flexible sealing structure.
The top of drying chamber 905 is additionally provided with the level detector for detecting material position in drying chamber 905 described in the present embodiment 914。
Mixing wind tube 808 described in the present embodiment is provided with one layer of heat preservation material 804 on the surface at high-temperature flue gas entry end 803.
The quantity of low-temperature flue gas entrance 801 described in the present embodiment is 1 ~ 4, specially 2.
It is axially disposed strip to divide air holes 805 described in the present embodiment.

Claims (7)

1. a kind of energy-saving safe clean moulded coal drying system, including blower fan A, blower fan A outlets are connected with hot-blast stove, it is characterized in that： A hot-blast stove exiting flue gas part is discharged by safety valve, and a part connects rotation direct current diffusion type air register, rotation by high-temperature valve Direct current diffusion type air register exports connecting fan B, and clean moulded coal drying machine is circulated in blower fan B connections, and interior circulation clean moulded coal is done Dry machine outlet connection dry-dedusting system, the rotation direct current diffusion type air register include a cylindric mixing wind tube, mixing wind tube One end be high-temperature flue gas entry, the other end is mixed flue gas outlet, and the mixing wind tube being cut close to high-temperature flue gas entry end Be provided with low-temperature flue gas entrance upwards, at least different cylindrical shape of two-stage radius, which is housed, along total length inside mixing wind tube divides air duct, every grade Divide air duct and mixing wind tube coaxially arranged, from high-temperature flue gas entry end to mixed flue gas outlet end, divide the radius one-level one-level of air duct Increase, it is fixed on per fraction air duct by support bar in mixing wind tube, per fraction air duct, all circumferentially face is evenly distributed with a point air holes； The interior circulation clean moulded coal drying machine has a square shell, and it is mutually only that several are arranged with left and right sides of enclosure Vertical drying chamber, a passageway run through is formed between two row drying chambers, upper air inlet is sequentially provided with from top to bottom in the passageway Road, middle air -return duct, lower air inlet duct, the enterprising air channel, middle air -return duct, lower air inlet duct are set with the side that each drying chamber contacts There is the air distribution plate with air holes, drying chamber is communicated by the air distribution plate with air channel；Distributing trough is provided with along total length at the top of drying machine, Corresponding each drying chamber is designed with deflector chute below distributing trough, is provided with below deflector chute and is used to collect discharge flue gas at the top of drying chamber Upper dust gathering arrester；Motor spindle is dried to be located at below drying chamber equipped with the discharge bucket being connected with drying chamber, each discharge bucket lower section dress There is discharger, sieving plate is housed below discharger, is connected below sieving plate and demarcation strip is housed, belt conveyor is provided with below demarcation strip Machine, is also provided with next part dust hood in passageway above sieving plate below discharge bucket along total length, and drying motor spindle is provided with support frame, institute State middle air -return duct and be connected with revolving the low-temperature flue gas entrance of direct current diffusion type air register；The dry-dedusting system includes dust-precipitator, Dust-precipitator exports connecting fan C, the flue gas part discharge of blower fan C outlet, and another part expands with blower fan A entrances and rotation direct current The low-temperature flue gas entrance for dissipating formula air register connects respectively.
2. a kind of energy-saving safe clean moulded coal drying system according to claim 1, it is characterized in that：The enterprising air channel And/or lower air inlet duct is to be divided into being arranged in drying machine both sides and three middle air channels and forming by a total air channel, three wind Road communicates with total air channel.
3. a kind of energy-saving safe clean moulded coal drying system according to claim 1, it is characterized in that：The discharge bucket and unload Glassware is flexible sealing structure.
4. a kind of energy-saving safe clean moulded coal drying system according to claim 1, it is characterized in that：At the top of the drying chamber It is additionally provided with the level detector for detecting material position in drying chamber.
5. a kind of energy-saving safe clean moulded coal drying system according to claim 1, it is characterized in that：The mixing wind tube is in height The surface at warm smoke inlet end is provided with one layer of heat preservation material.
6. a kind of energy-saving safe clean moulded coal drying system according to claim 1, it is characterized in that：The low-temperature flue gas enters Mouth quantity is 1 ~ 4.
7. a kind of energy-saving safe clean moulded coal drying system according to claim 1, it is characterized in that：Described point of air holes is edge Axial arranged strip.
CN201711177482.8A 2017-11-23 2017-11-23 Safe energy-saving clean molded coal drying system Active CN107677063B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711177482.8A CN107677063B (en) 2017-11-23 2017-11-23 Safe energy-saving clean molded coal drying system

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Application Number Priority Date Filing Date Title
CN201711177482.8A CN107677063B (en) 2017-11-23 2017-11-23 Safe energy-saving clean molded coal drying system

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CN107677063A true CN107677063A (en) 2018-02-09
CN107677063B CN107677063B (en) 2023-06-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109579501A (en) * 2018-11-23 2019-04-05 张晶晶 The crushing drying system of sticky fermentative feedstuff of microbe
CN117361838A (en) * 2023-10-16 2024-01-09 秦皇岛尼科环境科技有限公司 Sludge heatless drying method based on multidirectional air drying box

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090780A5 (en) * 1970-04-27 1972-01-14 Universal Oil Prod Co
CN101377379A (en) * 2008-10-08 2009-03-04 东北电力大学 Coal ash drying device
CN101870897A (en) * 2010-07-09 2010-10-27 山东天力干燥设备有限公司 Process for carrying out strengthening circulation, stage grinding and quality improvement on lignite by utilizing superheated steam and system thereof
CN104482751A (en) * 2014-12-11 2015-04-01 华南农业大学 Method and device for eliminating thermal inertia of hot air drier
CN104776702A (en) * 2014-01-10 2015-07-15 神华集团有限责任公司 Dryer or pyrolyzer
CN205402713U (en) * 2016-02-26 2016-07-27 中冶华天工程技术有限公司 Take flue gas stove for blast furnace coal injection of heat accumulation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090780A5 (en) * 1970-04-27 1972-01-14 Universal Oil Prod Co
CN101377379A (en) * 2008-10-08 2009-03-04 东北电力大学 Coal ash drying device
CN101870897A (en) * 2010-07-09 2010-10-27 山东天力干燥设备有限公司 Process for carrying out strengthening circulation, stage grinding and quality improvement on lignite by utilizing superheated steam and system thereof
CN104776702A (en) * 2014-01-10 2015-07-15 神华集团有限责任公司 Dryer or pyrolyzer
CN104482751A (en) * 2014-12-11 2015-04-01 华南农业大学 Method and device for eliminating thermal inertia of hot air drier
CN205402713U (en) * 2016-02-26 2016-07-27 中冶华天工程技术有限公司 Take flue gas stove for blast furnace coal injection of heat accumulation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109579501A (en) * 2018-11-23 2019-04-05 张晶晶 The crushing drying system of sticky fermentative feedstuff of microbe
CN117361838A (en) * 2023-10-16 2024-01-09 秦皇岛尼科环境科技有限公司 Sludge heatless drying method based on multidirectional air drying box
CN117361838B (en) * 2023-10-16 2024-05-14 秦皇岛尼科环境科技有限公司 Sludge heatless drying method based on multidirectional air drying box

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