CN103115478A - Drying equipment - Google Patents
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- CN103115478A CN103115478A CN2013100531434A CN201310053143A CN103115478A CN 103115478 A CN103115478 A CN 103115478A CN 2013100531434 A CN2013100531434 A CN 2013100531434A CN 201310053143 A CN201310053143 A CN 201310053143A CN 103115478 A CN103115478 A CN 103115478A
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Abstract
The invention provides drying equipment which comprises an inert gas feeding device, a vibration fluidized drying device and a multichannel microwave drying device. The inert gas feeding device is connected with the vibration fluidized drying device and the multichannel microwave drying device through pipelines and used for inputting inert gases to the vibration fluidized drying device and the multichannel microwave drying device. A wet material feeding valve is for feeing wet materials is arranged on the vibration fluidized drying device, and the vibration fluidized drying device is further provided with a pre-drying material discharge valve for discharging the wet materials after the wet materials undergo fluidized drying. A discharge port portion of the pre-drying material discharge valve is connected with a material discharge channel for conveying pre-drying materials to the multichannel microwave drying device which is connected with the material discharge channel. The multichannel microwave drying device is further provided with an end product drying material discharge valve for discharging the pre-drying materials after the pre-drying materials undergo microwave drying.
Description
Technical field
The present invention relates to the technical field of coal drying, relate in particular to a kind of drying equipment.
Background technology
Low-order coal (comprise brown coal, ub-bituminous coal and washing after coal slime) contains a lot of inherent water, and Coal ' moisture does not wait up to 15%-70%.Coal resource is abundant at a low price, if not because in it, water is high, is a kind of fuel or industrial chemicals of high-quality, therefore reduces the interior water in existing low-order coal, and is significant to improving ature of coal.
Because the moisture coal of height (low-order coal) caloric value is low, it is to improve the effective way of ature of coal that low-order coal is carried out drying.In present drying means, general rotary drier, fluidized bed dryer, tube drier, spiral dryer and the vibration percolation bed dryer etc. of adopting, the various coal heating power drying processes that adopt are after hot-blast stove adds hot-air, the high-temperature gas of its generation enters drying equipment, after high-temperature gas and hydrogenous coal are completed the matter heat exchange, dry to realize coal.Wherein hot-air is to flow through in drying equipment after forming negative pressure by air-introduced machine, after the dust in removing hot blast discharged to atmosphere.
It has following shortcoming:
Under the oxygen enrichment state, no matter high temperature or low temperature drying technology and equipment, because coal contacts in heat exchanging process with middle high-temperature flue gas, produce the flammable explosive gas such as coal dust, carbon monoxide, methane, under dry gas is rich in Oxygen Condition, all there are the flammable explosive gas that produces in dry run and burning or the explosion danger of coal dust, easily cause the generation of explosion accident, safety in production is caused a hidden trouble and endangers.In dry run, easily produce a large amount of coal dusts and enter in the dried tail gas circulation, use present control of dust technology and equipment to be difficult to reach the effect of dried tail gas control of dust and condensation, easily cause the pollution of surrounding air and water.Because dried tail gas is taken away a part of heat energy and heating power, make the efficient of water in dried material lower, the efficiency of heating surface and the energy utilization rate of drying system are lower.The heating power drying equipment comprises boiler, drier, tail gas condensing dust-collecting equipment etc., defective that the area that it takies and volume are larger etc.
Summary of the invention
The object of the invention is to overcome defective of the prior art, a kind of drying equipment safe, simple in structure that uses is provided.
Technical scheme of the present invention provides a kind of drying equipment, comprise inert gas feedway, vibratory fluidized drying device and Multi-channel microwave drying device, wherein said inert gas feedway is connected with described Multi-channel microwave drying device with described vibratory fluidized drying device respectively by pipeline, is used for inputting inert gas in described vibratory fluidized drying device and described Multi-channel microwave drying device; Be provided with on described vibratory fluidized drying device for the wet stock supply valve of supplying with wet stock, also be provided with on described vibratory fluidized drying device for the predrying material dump valve of described wet stock through discharging after fluidized drying, the discharge oral area of described predrying material dump valve is connected with for carry the discharging channel of predrying material to described Multi-channel microwave drying device; Described Multi-channel microwave drying device is connected with described discharging channel, also is provided with the finished product dried material dump valve of discharging after microwave drying for described predrying material on described Multi-channel microwave drying device.
Further, it also comprises the tail gas recycle EGR, described tail gas recycle EGR is connected with described Multi-channel microwave drying device with described vibratory fluidized drying device respectively, be used for reclaiming the tail gas that described vibratory fluidized drying device and described Multi-channel microwave drying device produce, described tail gas recycle EGR is connected with described inert gas feedway, and being used for the tail gas that will reclaim, to be delivered to described inert gas feedway through control of dust, after dewatering recycling.
Further, it also comprises the waste heat recovery EGR, described waste heat recovery EGR is connected with described Multi-channel microwave drying device and is converted to for reclaiming described Multi-channel microwave drying device the waste heat that produces in microwave and microwave importing process by electric energy, described waste heat recovery EGR is connected with described inert gas feedway, and it is recycling that the waste heat that is used for reclaiming is delivered to described inert gas feedway.
Further, described inert gas feedway comprises hot-blast stove and air blast, is provided with the pressure-reducing cushioning device in the exhaust duct of described air blast.
Further, described vibratory fluidized drying device comprises a body, be arranged at described bed body bottom isolation spring, be arranged at described bed body bottom shock electric machine, be arranged at described bed body bottom and be used for spraying a plurality of bottom blowing nozzles of inert gas and being arranged at a plurality of top blast nozzles that are positioned at described bed body top in described vibratory fluidized drying device, be connected with the bottom blowing air collecting box between the pipeline of described bottom blowing nozzle and described inert gas feedway, be connected with the top blast duct set between the pipeline of described top blast nozzle and described inert gas feedway.
Further, described top blast duct set comprises that collection wind house steward and many collection wind are in charge of, describedly collect the centre that wind house steward projection vertically is positioned at described bed body, many collection wind is in charge of the both sides that are arranged at equably described collection wind house steward, and every collection wind is in charge of and is provided with a plurality of described top blast nozzles.
Further, a plurality of described bottom blowing nozzles are many linear described bed body bottoms of being arranged in equably, describedly collect that wind is in charge of projection on described bed body and the bottom blowing nozzle of linear array is parallel to each other.
Further, described Multi-channel microwave drying device comprises the material-conveying belt of carrying described predrying material and is arranged on the microwave dryer that is used for described predrying material is carried out microwave drying treatment in described Multi-channel microwave drying device.
Further, described microwave dryer comprises waveguide arm, waveguide house steward and is positioned at a plurality of microwave generators of described material-conveying belt top, wherein each described microwave generator comprises the upper waveguide cover that is positioned at described material-conveying belt top and is positioned at described material-conveying belt below lower waveguide cover for reception repercussions corresponding with described upper waveguide cover, each described lower waveguide cover all is connected with described waveguide arm, and described waveguide arm is connected with described waveguide house steward and is collected to described waveguide house steward for the waste heat that a plurality of described lower waveguide covers are received.
Further, described Multi-channel microwave drying device comprises material-conveying belt and microwave dryer, described microwave dryer comprises waveguide arm, waveguide house steward and is positioned at a plurality of microwave generators of described material-conveying belt top, wherein each described microwave generator comprises the upper waveguide cover that is positioned at described material-conveying belt top and is positioned at described material-conveying belt below lower waveguide cover for reception repercussions corresponding with described upper waveguide cover, and each described lower waveguide cover all is connected with described waveguide arm; Described waste heat recovery EGR comprises thermoconverter, described waveguide house steward is connected by pipeline with the waste heat recovery EGR, described waveguide arm is connected with described waveguide house steward and is collected to described waveguide house steward for the waste heat that a plurality of described lower waveguide covers are received, be passed to described thermoconverter by water again, via described thermoconverter, described waste heat converted to be passed to described inert gas feedway after hot blast recycling.
Further, described tail gas recycle EGR comprises dust arrester and the condenser that is connected with described dust arrester, be provided with the vibratory fluidized drying device blast pipe that is connected with described dust arrester on described vibratory fluidized drying device, be provided with the Multi-channel microwave drying device blast pipe that is connected with described dust arrester on described Multi-channel microwave drying device.
Further, the tail gas that produces in described vibratory fluidized drying device in turn through described vibratory fluidized drying device blast pipe, enter control of dust in described dust arrester, enter described condenser and dewater after, be passed to described inert gas feedway recycling; The tail gas that produces in described Multi-channel microwave drying device in turn through described Multi-channel microwave drying device blast pipe, enter control of dust in described dust arrester, enter described condenser and dewater after, be passed to described inert gas feedway recycling.
Further, be provided with for the gauge tap of controlling inert gas flow on the pipeline that is connected between described inert gas feedway and described Multi-channel microwave drying device.
Further, remained on below 90 ℃ by the temperature of the withering described predrying material of microwave in described Multi-channel microwave drying device.
Further, the inert gas that produces in described inert gas feedway comprises nitrogen and carbon dioxide.
Further, described wet stock supply valve, described predrying material dump valve and described finished product dried material dump valve are the star-shape feeding valve.
Further, in described inert gas feedway, oxygen concentration is no more than 8%.
Adopt technique scheme, have following beneficial effect:
By the inert gas feedway is set, dry materials is in the inert gas environment of anoxic, make material air-isolation in the inlet and outlet process of vibratory fluidized drying device and Multi-channel microwave drying device by wet stock supply valve, predrying material dump valve and finished product dried material dump valve star-shape feeding valve, remain material dry processing in inert atmosphere, the many high potential safety hazards that do not have burning or the blast of inflammable and explosive gas and dust of baking temperature.Before the whole dry heat of shorter microwave drying time, adopt the convection type dry heat, make the material water ratio decrease.
It is dry in advance that material first passes through vibratory fluidized drying device, then enter the Multi-channel microwave drying device and carry out drying, improved drying efficiency.The Quick uniform drying of heating using microwave has reduced the possibility of surperficial overheated, case-hardening and stress crack, has improved the quality of product.
Integral system equipment makes equipment compacter, and equipment size reduces, only accounts for very little floor space.Waste heat, tail gas are recycled, and saved the energy, have reduced environmental pollution.
Description of drawings
Fig. 1 is the structural representation of a kind of drying equipment provided by the invention;
Fig. 2 is that a kind of drying equipment shown in Figure 1 is along the cutaway view of C-C direction;
Fig. 3 is that a kind of drying equipment shown in 1 is along the cutaway view of A-A direction;
Fig. 4 is that a kind of drying equipment shown in 1 is along the cutaway view of B-B direction.
The Reference numeral table of comparisons:
100-inert gas feedway; 101-hot-blast stove; 102-pressure-reducing cushioning device;
103-air blast; 104-air blast; 105-pipeline;
106-gauge tap;
200-vibratory fluidized drying device; 201-bed body; 202-isolation spring;
203-shock electric machine; 204-wet stock supply valve; 205-predrying material dump valve;
206-discharging channel; 207-collection wind house steward; 208-collection wind is in charge of;
209-bottom blowing air collecting box; 210-bottom blowing nozzle; 211-top blast nozzle;
212-vibratory fluidized drying device blast pipe; 213-pipeline;
300-Multi-channel microwave drying device; 301-material-conveying belt; 302-drive;
303-microwave dryer; 304-microwave generator; 305-upper waveguide cover;
306-lower waveguide cover; 307-waveguide arm; 308-waveguide house steward;
309-finished product dried material dump valve; 310-Multi-channel microwave drying device blast pipe;
311-pipeline;
400-waste heat recovery EGR; 401-thermoconverter; 402-collector;
500-tail gas recycle EGR; 501-dust arrester; 502-condenser;
The 503-blower fan;
D-fuel; E-discharging atmosphere; F-wet stock; G-predrying material;
H-finished product dried material; J-air; K-cooling water; L-hot water;
M-control of dust; N-condensation.
The specific embodiment
Further illustrate the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of drying equipment provided by the invention, comprise inert gas feedway 100, vibratory fluidized drying device 200 and Multi-channel microwave drying device 300, wherein inert gas feedway 100 is connected with Multi-channel microwave drying device 300 with vibratory fluidized drying device 200 respectively for to vibratory fluidized drying device 200 and the interior input inert gas of Multi-channel microwave drying device 300 by pipeline 105; Be provided with on this vibratory fluidized drying device 200 for the wet stock supply valve 204 of supplying with wet stock F, also be provided with the predrying material dump valve 205 through discharging after fluidized drying for wet stock F on this vibratory fluidized drying device 200, the discharge oral area of this predrying material dump valve 205 is connected with for carry the discharging channel 206 of predrying material G to Multi-channel microwave drying device 300; This Multi-channel microwave drying device 300 is connected with discharging channel 206, also is provided with the finished product dried material dump valve 309 of discharging after microwave drying for predrying material G on this Multi-channel microwave drying device 300.
Inert gas feedway 100:
Above-mentioned inert gas feedway 100 comprises hot-blast stove 101 and air blast 104, is provided with pressure-reducing cushioning device 102 in the exhaust duct of this air blast 104.
At interior introducing one cover gas or solid combustion device or the hot-blast stove 101 of inert gas feedway 100, fuel D enters hot-blast stove 101, or fuel gas (or solid) when burning, can be with airborne oxygen burning-off, remaining nitrogen and carbon dioxide are made drying medium.Due in Sui's process, certainly lead to excess gas in system, thereby increase internal pressure.In order to make the system can continued operation, thus must be at the in-built venting pressure-reducing cushioning device 102 of air blast 104 exhaust ducts, so that pressure can enter atmosphere with portion gas F when being added to a certain value.
Preferably, a kind of drying equipment provided by the invention, it also comprises tail gas recycle EGR 500, the tail gas that this tail gas recycle EGR 500 is connected with Multi-channel microwave drying device 300 with vibratory fluidized drying device 200 respectively and produces for reclaiming vibratory fluidized drying device 200 and Multi-channel microwave drying device 300, this tail gas recycle EGR 500 is connected for tail gas that will recovery through control of dust with inert gas feedway 100, it is recycling to be delivered to inert gas feedway 100 after dewatering.
Preferably, a kind of drying equipment provided by the invention, it also comprises waste heat recovery EGR 400, this waste heat recovery EGR 400 is connected with Multi-channel microwave drying device 300 and is converted to for reclaiming Multi-channel microwave drying device 300 waste heat that produces in microwave and microwave importing process by electric energy, and this waste heat recovery EGR 400 is connected with inert gas feedway 100, and to be delivered to inert gas feedway 100 for waste heat that will recovery recycling.
Vibratory fluidized drying device 200:
as shown in Fig. 1-2, vibratory fluidized drying device 200 comprises a body 201, be arranged at the isolation spring 201 of a body 201 bottoms, be arranged at the shock electric machine 203 of a body 201 bottoms, being arranged at a body 201 bottoms is used for spraying a plurality of bottom blowing nozzles 210 of inert gas and being arranged at a plurality of top blast nozzles 211 that are positioned at a body 201 tops in vibratory fluidized drying device 200, be connected with bottom blowing air collecting box 209 between the pipeline 105 of this bottom blowing nozzle 210 and inert gas feedway 100, be connected with the top blast duct set between the pipeline 105 of this top blast nozzle 211 and inert gas feedway 100.
Above-mentioned top blast duct set comprises that collection wind house steward 207 and many collection wind are in charge of 208, this collects the centre that wind house steward 207 projection vertically is positioned at a body 201, many collection wind are in charge of 208 both sides that are arranged at equably collection wind house steward 207, and every collection wind is in charge of and is provided with a plurality of top blast nozzles 211 on 207.
A plurality of bottom blowing nozzles 210 are a many linear body 201 bottoms of being arranged in equably, collect wind be in charge of 208 on bed body 201 projection and the bottom blowing nozzle 210 of linear array be parallel to each other.A plurality of bottom blowing nozzles 210 are arranged on a body 201 bottoms uniformly, and be the bottom that many linears are arranged in a body 201 equably, every collects wind to be in charge of 208 projections on bed body 201 all parallel respectively with many straight lines that a plurality of bottom blowing nozzles 210 form, be staggered, be staggeredly set with bottom blowing nozzle 210 thereby be arranged on the top blast nozzle 211 that collection wind is in charge of on 208, can better carry out the drying processing to the wet stock F that enters vibratory fluidized drying device 200.
The inertia dry gas that inert gas feedway 100 produces low oxygen content is sent into vibratory fluidized drying device 200 by blower fan 104, wet stock F enters vibratory fluidized drying device 200 by wet stock supply valve 204, form fluosolids on bed body 201, bed body 201 bottoms are provided with isolation spring 201 and shock electric machine 203, effect by shock electric machine 203 and isolation spring 201 can make a body 201 vibrations, processes better wet stock F is carried out drying.The inertia dry gas sprays fully to mix with wet stock F fluosolids by bottom blowing nozzle 210 and top blast nozzle 211 and carries out heat exchange, makes the moisture evaporation of wet stock F, and the predrying material dump valve 205 of predrying material G of discharge enters Multi-channel microwave drier 300.The dry water vapour that contains dust of producing enters tail gas recycle EGR 500, and its water vapour condensation is discharged, and the gas of cooling promotes recirculation through blower fan 503 and gets back to inert gas feedway 100 recyclings.
Multi-channel microwave drying device 300:
As Fig. 1, Fig. 3 and shown in Figure 4, Multi-channel microwave drying device 300 comprises the material-conveying belt 301 of carrying predrying material G and is arranged on the microwave dryer 303 that is used for predrying material G is carried out microwave drying treatment in Multi-channel microwave drying device 300.
Multi-channel microwave drying device 300 utilizes microwave energy preferentially to transfer on the dried material hydrone, make hydrone vibration and rotation in the electric field that microwave produces of material by polarization, merit is applied on molecule, and temperature rises, and hydrone just is evaporated from predrying material G.Material-conveying belt is driven by drive 302 and rotates, predrying material G continuous drying on material-conveying belt 301 is processed, and reach the purpose of drying effect by adjusting irradiation time and microwave power, the finished product dried material H that final drying is completed discharges from finished product dried material dump valve 309, has realized the suitability for industrialized production of material micro-wave drying.
Waste heat recovery EGR 400:
As shown in Figure 1, waste heat recovery EGR 400 comprises thermoconverter 401, waveguide house steward 308 is connected by pipeline with waste heat recovery EGR 400, waveguide arm 307 is connected with waveguide house steward 308 and is collected to waveguide house steward 308 for the waste heat that a plurality of lower waveguide covers 306 are received, be passed to thermoconverter 401 by water again, via thermoconverter 401, waste heat converted to be passed to inert gas feedway 100 after hot blast recycling.
After waveguide house steward 308 collects waste heat, it is passed to collector 402 in waste heat recovery EGR 400, by hot water L, waste heat is passed to thermoconverter 401 again and converts hot blast to, by blower fan 103, hot blast is passed to hot-blast stove 101 and carries out recycling.Add air J to be beneficial to realize the heat conversion in thermoconverter 401, and its also in the Multi-channel microwave drying device 300 input cold water K be beneficial to cooling.
Tail gas recycle EGR 500:
As shown in Figure 1, tail gas recycle EGR 500 comprises dust arrester 501 and the condenser 502 that is connected with dust arrester 501, be provided with the vibratory fluidized drying device blast pipe 212 that is connected with dust arrester 501 on above-mentioned vibratory fluidized drying device 200, be provided with the Multi-channel microwave drying device blast pipe 310 that is connected with dust arrester on above-mentioned Multi-channel microwave drying device 300.Dust arrester 501 is connected with vibratory fluidized drying device blast pipe 212 by pipeline 213, and it is used for vibratory fluidized drying device 200 and Multi-channel microwave drying device 300 dust are siphoned away by pipeline 311 and Multi-channel microwave drying device blast pipe 310.
The tail gas that produces in vibratory fluidized drying device 200 in turn through vibratory fluidized drying device blast pipe 212, enter the interior control of dust M of dust arrester 501, enter condenser 502, carry out being passed to inert gas feedway 100 by blower fan 503 recycling after condensation N dewaters; The tail gas that produces in Multi-channel microwave drying device 300 in turn through Multi-channel microwave drying device blast pipe 310, enter the interior control of dust M of dust arrester 501, enter condenser 502, carry out being passed to inert gas feedway 100 by blower fan 503 recycling after condensation N dewaters.
Be provided with for the gauge tap 106 of controlling inert gas flow on the pipeline 105 that is connected between above-mentioned inert gas feedway 100 and described Multi-channel microwave drying device 300.
Preferably, remained on below 90 ℃ by the temperature of the withering predrying material G of microwave in Multi-channel microwave drying device 300.By controlling predrying material G(coal) time of stopping in Multi-channel microwave drying device 300, make predrying material G(coal) temperature remain on below 90 ℃, the hydrocarbon of short chain just can not volatilize from matrix of coal, has guaranteed that the quality of coal can not reduce.
The inert gas that produces in inert gas feedway 100 comprises nitrogen and carbon dioxide.Certainly this inert gas can also can be realized the inert gas of said function for other.And in the inert gas feedway, oxygen concentration is no more than 8%, is specially adapted to be afraid of the drying of oxidation material, as coal and alloy powder preparation etc.
Above-mentioned wet stock supply valve 204, predrying material dump valve 205 and finished product dried material dump valve 309 are the star-shape feeding valve.Make material air-isolation in the inlet and outlet process of vibratory fluidized drying device and Multi-channel microwave drying device by wet stock supply valve, predrying material dump valve and finished product dried material dump valve star-shape feeding valve, remain material dry processing in inert atmosphere, the many high potential safety hazards that do not have burning or the blast of inflammable and explosive gas and dust of baking temperature.
A kind of drying equipment provided by the invention, it has following beneficial effect:
1, shortened drying time, before the whole dry heat of Multi-channel microwave drying device, adopted convection type vibratory fluidized drying device dry heat, made the material water ratio decrease.Enter in Multi-channel microwave drying device heating process, the volume type heat forms rapidly, causes the acceleration of transmittance process, and making drying time is 1/4 left and right of convective drying required time, has improved drying efficiency.
2, improved product quality, in the Multi-channel microwave drying device, the microwave rapid and uniform heating is dry, has reduced that the material surface is overheated, the possibility of case-hardening and stress crack.
3, reduce the size of equipment, integral system makes structure compacter, thereby needs very little floor space can realize dry materials.
4, reduced operating cost, microwave energy in the Multi-channel microwave drying device produces in a combined heat and power production system, and all reproducible waste heats, waste gas are recycled, finally reduced labour's expense, Energy Intensity Reduction 20%-50%, save operating cost, and avoided environmental pollution.
5, improved job safety, dry for flammable or inflammable and explosive material, the security control of heating process is vital.A kind of drying equipment provided by the invention makes material dry being in the inert gas environment of anoxic all the time, the many high potential safety hazards that do not have burning or the blast of inflammable and explosive gas and dust of baking temperature.
Above-described is only principle of the present invention and preferred embodiment.Should be pointed out that for the person of ordinary skill of the art, on the basis of the principle of the invention, can also make some other modification, also should be considered as protection scope of the present invention.
Claims (17)
1. a drying equipment, is characterized in that, comprises inert gas feedway, vibratory fluidized drying device and Multi-channel microwave drying device,
Wherein said inert gas feedway is connected with described Multi-channel microwave drying device with described vibratory fluidized drying device respectively by pipeline, is used for inputting inert gas in described vibratory fluidized drying device and described Multi-channel microwave drying device;
Be provided with on described vibratory fluidized drying device for the wet stock supply valve of supplying with wet stock, also be provided with on described vibratory fluidized drying device for the predrying material dump valve of described wet stock through discharging after fluidized drying, the discharge oral area of described predrying material dump valve is connected with for carry the discharging channel of predrying material to described Multi-channel microwave drying device;
Described Multi-channel microwave drying device is connected with described discharging channel, also is provided with the finished product dried material dump valve of discharging after microwave drying for described predrying material on described Multi-channel microwave drying device.
2. a kind of drying equipment according to claim 1, it is characterized in that, it also comprises the tail gas recycle EGR, described tail gas recycle EGR is connected with described Multi-channel microwave drying device with described vibratory fluidized drying device respectively, be used for reclaiming the tail gas that described vibratory fluidized drying device and described Multi-channel microwave drying device produce, described tail gas recycle EGR is connected with described inert gas feedway, and being used for the tail gas that will reclaim, to be delivered to described inert gas feedway through control of dust, after dewatering recycling.
3. a kind of drying equipment according to claim 1, it is characterized in that, it also comprises the waste heat recovery EGR, described waste heat recovery EGR is connected with described Multi-channel microwave drying device, be used for reclaiming described Multi-channel microwave drying device and converted to the waste heat that produces in microwave and microwave importing process by electric energy, described waste heat recovery EGR is connected with described inert gas feedway, and it is recycling that the waste heat that is used for reclaiming is delivered to described inert gas feedway.
4. a kind of drying equipment according to claim 1, is characterized in that, described inert gas feedway comprises hot-blast stove and air blast, is provided with the pressure-reducing cushioning device in the exhaust duct of described air blast.
5. a kind of drying equipment according to claim 1, it is characterized in that, described vibratory fluidized drying device comprises a body, be arranged at described bed body bottom isolation spring, be arranged at described bed body bottom shock electric machine, be arranged at described bed body bottom and be used for spraying a plurality of bottom blowing nozzles of inert gas and being arranged at a plurality of top blast nozzles that are positioned at described bed body top in described vibratory fluidized drying device
Be connected with the bottom blowing air collecting box between the pipeline of described bottom blowing nozzle and described inert gas feedway, be connected with the top blast duct set between the pipeline of described top blast nozzle and described inert gas feedway.
6. a kind of drying equipment according to claim 5, it is characterized in that, described top blast duct set comprises that collection wind house steward and many collection wind are in charge of, describedly collect the centre that wind house steward projection vertically is positioned at described bed body, many collection wind is in charge of the both sides that are arranged at equably described collection wind house steward, and every collection wind is in charge of and is provided with a plurality of described top blast nozzles.
7. a kind of drying equipment according to claim 6, is characterized in that, a plurality of described bottom blowing nozzles are many linear described bed body bottoms of being arranged in equably, describedly collects that wind is in charge of projection on described bed body and the bottom blowing nozzle of linear array is parallel to each other.
8. a kind of drying equipment according to claim 1, it is characterized in that, described Multi-channel microwave drying device comprises the material-conveying belt of carrying described predrying material and is arranged on the microwave dryer that is used for described predrying material is carried out microwave drying treatment in described Multi-channel microwave drying device.
9. a kind of drying equipment according to claim 8, it is characterized in that, described microwave dryer comprises the waveguide arm, waveguide house steward and a plurality of microwave generators that are positioned at described material-conveying belt top, wherein each described microwave generator comprises the upper waveguide cover that is positioned at described material-conveying belt top and is positioned at described material-conveying belt below lower waveguide cover for reception repercussions corresponding with described upper waveguide cover, each described lower waveguide cover all is connected with described waveguide arm, described waveguide arm is connected with described waveguide house steward and is collected to described waveguide house steward for the waste heat that a plurality of described lower waveguide covers are received.
10. a kind of drying equipment according to claim 3, it is characterized in that, described Multi-channel microwave drying device comprises material-conveying belt and microwave dryer, described microwave dryer comprises waveguide arm, waveguide house steward and is positioned at a plurality of microwave generators of described material-conveying belt top, wherein each described microwave generator comprises the upper waveguide cover that is positioned at described material-conveying belt top and is positioned at described material-conveying belt below lower waveguide cover for reception repercussions corresponding with described upper waveguide cover, and each described lower waveguide cover all is connected with described waveguide arm;
Described waste heat recovery EGR comprises thermoconverter, and described waveguide house steward is connected by pipeline with the waste heat recovery EGR,
Described waveguide arm is connected with described waveguide house steward and is collected to described waveguide house steward for the waste heat that a plurality of described lower waveguide covers are received, be passed to described thermoconverter by water again, via described thermoconverter, described waste heat converted to be passed to described inert gas feedway after hot blast recycling.
11. a kind of drying equipment according to claim 2 is characterized in that, described tail gas recycle EGR comprises dust arrester and the condenser that is connected with described dust arrester,
Be provided with the vibratory fluidized drying device blast pipe that is connected with described dust arrester on described vibratory fluidized drying device, be provided with the Multi-channel microwave drying device blast pipe that is connected with described dust arrester on described Multi-channel microwave drying device.
12. a kind of drying equipment according to claim 11, it is characterized in that, the tail gas that produces in described vibratory fluidized drying device in turn through described vibratory fluidized drying device blast pipe, enter control of dust in described dust arrester, enter described condenser and dewater after, be passed to described inert gas feedway recycling;
The tail gas that produces in described Multi-channel microwave drying device in turn through described Multi-channel microwave drying device blast pipe, enter control of dust in described dust arrester, enter described condenser and dewater after, be passed to described inert gas feedway recycling.
13. a kind of drying equipment according to claim 1 is characterized in that, is provided with for the gauge tap of controlling inert gas flow on the pipeline that is connected between described inert gas feedway and described Multi-channel microwave drying device.
14. a kind of drying equipment according to claim 1 is characterized in that, the temperature by the withering described predrying material of microwave in described Multi-channel microwave drying device remains on below 90 ℃.
15. a kind of drying equipment according to claim 1 is characterized in that, the inert gas that produces in described inert gas feedway comprises nitrogen and carbon dioxide.
16. a kind of drying equipment according to claim 1 is characterized in that, described wet stock supply valve, described predrying material dump valve and described finished product dried material dump valve are the star-shape feeding valve.
17. according to claim 1-16, the described a kind of drying equipment of any one claim, is characterized in that, in described inert gas feedway, oxygen concentration is no more than 8%.
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| CN201310053143.4A CN103115478B (en) | 2013-02-17 | 2013-02-17 | Drying equipment |
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| CN201310053143.4A CN103115478B (en) | 2013-02-17 | 2013-02-17 | Drying equipment |
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| CN103115478A true CN103115478A (en) | 2013-05-22 |
| CN103115478B CN103115478B (en) | 2015-04-29 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105258484A (en) * | 2015-11-25 | 2016-01-20 | 广东三水大鸿制釉有限公司 | Pigment and printing glaze drying equipment |
| CN105526792A (en) * | 2015-12-22 | 2016-04-27 | 神华集团有限责任公司 | Material drying system |
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| CN106277714A (en) * | 2016-08-16 | 2017-01-04 | 绿水股份有限公司 | A kind of sludge drying system of high thermal driving force |
| CN108362100A (en) * | 2018-02-26 | 2018-08-03 | 成都菲斯普科技有限公司 | A kind of drying equipment of medicinal loquat |
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| CN103571513A (en) * | 2013-10-15 | 2014-02-12 | 长沙通发高新技术开发有限公司 | Process system for utilizing waste heat in coking coal preparation process |
| CN103571513B (en) * | 2013-10-15 | 2016-12-07 | 长沙通发高新技术开发有限公司 | The process system of UTILIZATION OF VESIDUAL HEAT IN is carried out in coking coal preparation technique |
| CN104707670A (en) * | 2013-12-17 | 2015-06-17 | 北方华锦化学工业集团有限公司 | Solid catalyst surface excess impregnation liquid removing method and solid catalyst surface excess impregnation liquid removing equipment |
| CN104193831A (en) * | 2014-08-19 | 2014-12-10 | 高水龙 | Device for producing hydroxypropyl methyl cellulose in dustless manner |
| CN105258484A (en) * | 2015-11-25 | 2016-01-20 | 广东三水大鸿制釉有限公司 | Pigment and printing glaze drying equipment |
| CN105526792A (en) * | 2015-12-22 | 2016-04-27 | 神华集团有限责任公司 | Material drying system |
| CN106123550A (en) * | 2016-08-04 | 2016-11-16 | 江苏新光数控技术有限公司 | Automatically drying equipment is transmitted |
| CN106277714A (en) * | 2016-08-16 | 2017-01-04 | 绿水股份有限公司 | A kind of sludge drying system of high thermal driving force |
| CN106277714B (en) * | 2016-08-16 | 2019-11-26 | 绿水股份有限公司 | A kind of sludge drying system of high thermal driving force |
| CN108362100A (en) * | 2018-02-26 | 2018-08-03 | 成都菲斯普科技有限公司 | A kind of drying equipment of medicinal loquat |
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