CN105036511B - Sugar refinery filter mud microwave dewatering and drying treatment process and dewatering and drying device - Google Patents
Sugar refinery filter mud microwave dewatering and drying treatment process and dewatering and drying device Download PDFInfo
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- CN105036511B CN105036511B CN201510439551.2A CN201510439551A CN105036511B CN 105036511 B CN105036511 B CN 105036511B CN 201510439551 A CN201510439551 A CN 201510439551A CN 105036511 B CN105036511 B CN 105036511B
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Abstract
A sugar refinery filter mud microwave dewatering and drying treatment process comprises the steps of 1 predewatering, 2 filter mud preheating and 3 microwave dewatering. A dewatering and drying device for the treatment process comprises a filter mud dewatering device, a high frequency furnace and a filter mud microwave drying device. The filter mud dewatering device comprises a spiral squeezing mechanism formed by a spiral squeezing rod, a filter screen barrel surrounding the periphery of the spiral squeezing rod in sequence, and a push-pull outer shell. A feeding opening is formed in the upper portion of the front end of the filter screen barrel, a mud discharging opening is formed in the rear end of the filter screen barrel, a sugar water collecting basin is arranged at the bottom of the filter screen barrel, a mud discharging conveying belt is arranged on the lower portion of the mud discharging opening, and a pressing ring adjusting mechanism is arranged on the mud discharging opening. The filter mud microwave drying device comprises a combustion chamber, a secondary combustion and heat exchange chamber and a drying box, a feeding opening and a moisture removing opening are formed in the top of the drying box, a discharging opening is formed in the bottom of the tail end of the drying box, and a plurality of layers of conveying belts, heating exchange pipes and a microwave pipe are mounted in the drying box. The process is reasonable in design, high in efficiency, high in speed, low in cost and free of pollution, soil can be prevented from being subjected to secondary pollution of filter mud, and waste is changed into wealth.
Description
Technical field
The present invention relates to a kind of processed technique and device, particularly to a kind of filter mud of sugar refinery microwave dehydration dried
Technique and dewatering drying device.
Background technology
From Caulis Sacchari sinensis extract sugarcane juice in addition to containing more sugar composition, also various inorganic matters and organic non-sugar impurities,
The presence of these non-sugars, has influence on extraction and the product quality of sucrose, therefore, sugar refinery for crushing sugar cane sugarcane juice it is necessary to
Carry out clean and clear process, in sugarcane juice, add lime cream etc. as clarifier, so that some non-saccharide fractional precipitations is separated, obtain pellucid syrup
It is refined into commerieal sugar；And the hydrate molecule group precipitate being formed after cane juice clarification, become filter mud after vacuum suction filter dehydration and push away
Go out.
In order to improve clarifying effect, in clarifying process in addition to adding lime cream, also it is passed through carbon dioxide or sulfur dioxide, root
Different according to clarifier used, defecation method is referred to as lime method, carbonatation process, sulfurous method, and the group origin cause of formation of filter mud of sugar refinery is clear
Clearing method is different and different, except containing substantial amounts of moisture, fiber, sugar, waxiness, protein, organic acid, outside soil, also due to
Fining process is different and produces a large amount of Calcium Carbonate, calcium sulfite precipitate, also contain in the aqueous solution of sulfurous method sugar mill mud
A certain amount of sulfite ion, these ions form a hydrate molecule group, if flowing back to soil, calcium contained therein from
Son, sulfite ion are enriched with for a long time, the serious problems such as soil property calcification, soil property can be caused hardened.
The mode of the post processing to filter mud for the sugar manufacturing industry at present is all simple fermented manure or processes directly without any
Flow back to soil, in filter mud (hydrate molecule group), contained harmful components are all unprocessed, not only can destroy soil, and in filter mud
Substantial amounts of odor pollution can be produced in placement process.
Content of the invention
It is an object of the invention to provide a kind of filter mud of sugar refinery microwave dehydration dry treatment process and dewatering drying device, with
Overcome the above-mentioned deficiency existing for prior art.
The technical scheme solving above-mentioned technical problem is: a kind of dehydration of filter mud of sugar refinery microwave dehydration dry treatment process is done
Dry device, including filter mud dehydration device, coreless induction furnace and filter mud microwave drier；
Described filter mud dehydration device includes support and is contained in screw press mechanism on support, described screw press
Mechanism includes the screw press bar being horizontally mounted, the screen tube being enclosed in screw press bar periphery successively and plug-type shell, spiral shell
One end of spinning press chamber is in transmission connection with drive mechanism by sprocket wheel, and the upper front end of screen tube is set and communicated with screw press bar
Charging aperture, filter screen tube rear end sets out mud mouth, and the bottom of screen tube sets sucrose solution and collects basin, and mud mouth bottom sets out mud conveyer belt, institute
State and at mud mouth, be provided with pressure ring governor motion；
Described filter mud microwave drier includes combustor, second-time burning and heat-exchanging chamber and drying baker, filters with being dried
The combustor of mud gasification combustion engine is arranged on the front portion outside drying baker, before second-time burning and heat-exchanging chamber are arranged in drying baker
End, the escape pipe that filter mud gasification combustion engine is dried of combustor is connected with second-time burning and heat-exchanging chamber, outside drying baker tail end
If circulation of tail gas airduct and circulation of tail gas blower fan, the top of drying baker is provided with feed hopper and moisture exhausting port, and drying baker tail end bottom sets
Discharging opening；
It is horizontally installed with Multi-layer transmission band, about each layer transmission belt, tip position staggers it may be assumed that top layer passes in described drying baker
Dynamic band right-hand member corresponds to feed hopper, and the left end of second layer transmission belt grows the left end of top layer transmission belt, the right-hand member of third layer transmission belt
Grow the right-hand member of second layer transmission belt, and so on；The carriage direction end of bottom transmission belt is corresponding with the discharging opening of bottom；
Described transmission belt is in transmission connection with the drive mechanism being arranged on outside drying baker by chain, adjacent two layers transmission belt
Rotation direction is contrary, and it may be assumed that top layer transmission belt is from feed hopper one end to left movement, second layer transmission belt moves right, and third layer passes
Dynamic band to left movement, and so on；The transmission belt of the same direction of motion is in transmission connection with same drive mechanism；
The transmission belt top of bottom is provided with the microwave tube for heating, is provided with use between other layer of transmission belt in addition to bottom
In the heat-exchange tube of heating, described heat-exchange tube left end is communicated with the air channel of second-time burning and heat-exchanging chamber, and right-hand member is followed with tail gas
Bostle pipe communicates；
The described box top that is dried is provided with multiple self-loopa hot-air blowers communicating with drying baker；
The moisture exhausting port of box top is dried communicate with the exhaust-gas treatment tank outside drying baker, described circulation of tail gas airduct and drying
Case top layer transmission belt upper channel communicates；Described drying baker surrounding sets heat-insulation layer；
Described transmission belt is made using stainless steel material, and transmission belt bottom is provided with cylinder.
Further technical scheme is: described coreless induction furnace includes high frequency switch board, coil and metal inductor high temperature, high
Frequency switch board is used for producing high frequency electric, and high frequency electric produces ultrahigh speed rotating excitation field via coil, the metal sensing in magnetic field
Body is rapidly heated to high temperature 300-500 degree, and filter mud is heated rapidly to more than 120 degree, destroys its water clusters so as to easy entry
Follow-up microwave dehydration；The rated power of coreless induction furnace is 30kw, and treating capacity is 100 ton day.
Due to taking technique scheme, a kind of filter mud of sugar refinery microwave dehydration dry treatment process of the present invention and dehydration dry
Dry device has following beneficial effects:
1. this technique adopts three kinds of different dewatering drying devices, and efficiency high, speed are fast, and technological design rationally, is processed into
This is cheap.
Because microwave can only work to the hydrone within material, and coreless induction furnace can only be externally heated, the two combination,
Air and material integrally can be heated to uniform temperature in moment by radio-frequency preheating chamber, be then fed in microwave treater, material is whole
Carry out microwave infiltration again after body heating, hyperpyrexia can be produced rapidly the water in material is changed into water vapour discharge, whole dewatering process
Efficiently rapid.
2. whole set process of the present invention is only used clean energy resource electric power as unique energy source, does not produce any additional contamination, symbol
Cyclization guaranteed request, the power consumption of mechanical expression dewaterer is extremely low, and a treating capacity is the equipment of 100 ton day only using the drive of 18kw motor
Dynamic, support the use radio-frequency preheating chamber and microwave treater, general power is less than 100kw, it is designed to multiple layer metal conveyer belt knot
Structure, had both improve efficiency and the microwave irradiation rate of heat exchange, improves energy consumption efficiency ratio, can greatly reduce equipment volume again；
3., below 20%, overall reduced training is obvious, 10,000 tons of former filter for the sugar mill mud moisture content after the dehydration of this technique
Mud, after dehydration, can reduce by 60% weight, and volume reduces more than 80%, about dehydration filter mud calorific capacity 2500 kilocalorie, both can be straight
Connect and mix the bagasse stove burning into sugar refinery itself as fuel, or be hybridly prepared into biomass fuel and supply other boiler combustions, also can make
For inserts, for construction materials such as firing porous bricks, on the one hand can solve filter mud backflow and lead to the serious of soil secondary pollution
Problem, on the other hand make use of the three wastes, energy saving.
Below, in conjunction with embodiment to a kind of filter mud of sugar refinery microwave dehydration dry treatment process of the present invention and dehydrate
The technical characteristic of device is further described.
Brief description
Fig. 1 is filter mud dehydration device structural representation；
Fig. 2 is filter mud microwave drier structural representation；
Fig. 3 is the a-a sectional view of Fig. 2；
In figure:
1-support, 2-screw press bar, 3-charging aperture, 4-screen tube, 5-plug-type shell, 6-pressure ring is adjusted
Mechanism, 7-sprocket wheel, 8-mud extraction conveyer belt, 9-mud mouth, 10-sucrose solution collection basin, 11-combustor, 12-drying baker,
121-heat-insulation layer, 122-moisture exhausting port, 13-second-time burning and heat-exchanging chamber, 14-drive mechanism, 15-self-loopa hot blast
Machine, 16-transmission belt, 17-heat-exchange tube, 18-feed hopper, 19-circulation of tail gas airduct, 20-circulation of tail gas blower fan, 21-
Microwave tube, 22-discharging opening.
Specific embodiment
Embodiment one
A kind of filter mud of sugar refinery microwave dehydration dry treatment process, comprises the following steps:
1) predrainage
Sugar mill mud mud discharging mouth from sugar refinery sets up conveyer belt, and the moisture content after vacuum suction filter is 80% about, sposh
The sugar mill mud of shape is delivered to filter mud dehydration device charging aperture, pushes importing via helical blade and carries out reducing squeezing, about 15 points
Zhong Hou, obtains the fine grained chippings shape dehydration filter mud of moisture content 55%～60%, discharges from the mud extraction conveyer belt of filter mud dehydration device；
2) filter mud preheating
Import the quick heating of coreless induction furnace 5 minutes, high frequency furnace chamber by processing the fine grained chippings shape dehydration filter mud obtaining through step 1)
Interior temperature 300-500 ° c, destroys filter mud water clusters structure, obtains half dry filter mud of moisture content 45% about；
3) microwave dehydration
Will be through step 2) obtain half dry filter mud import filter mud microwave drier in be dehydrated 10 minutes, obtain moisture content 20%
Following dehydration filter mud.
Embodiment two
A kind of dewatering drying device of filter mud of sugar refinery microwave dehydration dry treatment process, including filter mud dehydration device, high frequency
Stove and filter mud microwave drier:
Filter mud dehydration device: described filter mud dehydration device includes support 1 and is contained in the pressafiner on support
Structure, described screw press mechanism includes the screw press bar 2 being horizontally mounted, the screen tube being enclosed in screw press bar periphery successively
4 and plug-type shell 5, one end of screw press bar is in transmission connection by sprocket wheel 7 and drive mechanism, and the upper front end of screen tube sets
The charging aperture 3 communicating with screw press bar, filter screen tube rear end sets out mud mouth 9, and the bottom of screen tube sets sucrose solution and collects basin 10, mud extraction
Mouth bottom sets out mud conveyer belt 8, is provided with pressure ring governor motion 6 at described mud mouth.
Filter mud microwave drier: described filter mud microwave drier includes combustor 11, second-time burning and heat-exchanging chamber
13 and drying baker 12, it is arranged on the front portion outside drying baker 12, second-time burning with the combustor 11 that filter mud gasification combustion engine is dried
And heat-exchanging chamber 13 is arranged on the front end in drying baker 12, combustor 11 be dried the escape pipe of filter mud gasification combustion engine with secondary
Burning and heat-exchanging chamber 13 are connected, drying baker 12 tail end peripheral hardware circulation of tail gas airduct 19 and circulation of tail gas blower fan 20, drying baker
Top be provided with feed hopper 18 and moisture exhausting port 122, drying baker tail end bottom sets out material mouth 22；
It is horizontally installed with Multi-layer transmission band 16, about each layer transmission belt, tip position staggers it may be assumed that top layer in described drying baker
Transmission belt right-hand member corresponds to feed hopper, and the left end of second layer transmission belt grows the left end of top layer transmission belt, the right side of third layer transmission belt
End grows the right-hand member of second layer transmission belt, and so on；The carriage direction end of bottom transmission belt and the discharging opening pair of bottom
Should；
Described transmission belt is in transmission connection with the drive mechanism being arranged on outside drying baker by chain, adjacent two layers transmission belt
Rotation direction is contrary, and it may be assumed that top layer transmission belt is from feed hopper one end to left movement, second layer transmission belt moves right, and third layer passes
Dynamic band to left movement, and so on；The transmission belt of the same direction of motion is in transmission connection with same drive mechanism；
The transmission belt top of bottom is provided with the microwave tube 21 for heating, is provided between other layer of transmission belt in addition to bottom
For the heat-exchange tube 17 of heating, described heat-exchange tube left end communicates with the air channel of second-time burning and heat-exchanging chamber 13, right-hand member and
Circulation of tail gas airduct 19 communicates；
The described box top that is dried is provided with multiple self-loopa hot-air blowers 15 communicating with drying baker；
The moisture exhausting port of box top is dried communicate with the exhaust-gas treatment tank outside drying baker, described circulation of tail gas airduct 19 with dry
Dry case top layer transmission belt upper channel communicates；Described drying baker surrounding sets heat-insulation layer；
Described transmission belt is made using stainless steel material, and transmission belt bottom is provided with cylinder.
Coreless induction furnace: described coreless induction furnace includes high frequency switch board, coil and metal inductor high temperature, high frequency switch board is used for
Produce high frequency electric, high frequency electric produces ultrahigh speed rotating excitation field via coil, the metal inductor in magnetic field is rapidly heated
To high temperature 300-500 degree, filter mud is heated rapidly to more than 120 degree, destroys its water clusters so as to the follow-up microwave of easy entry takes off
Water；The rated power of coreless induction furnace is 30kw, and treating capacity is 100 ton day.
Claims (2)
1. a kind of dewatering drying device of filter mud of sugar refinery microwave dehydration dry treatment process, including filter mud dehydration device, coreless induction furnace
With filter mud microwave drier；
Described filter mud dehydration device includes support (1) and is arranged on screw press mechanism on support, described pressafiner
Structure includes the screw press bar (2) being horizontally mounted, the screen tube (4) being enclosed in screw press bar periphery successively and plug-type shell
(5), one end of screw press bar is in transmission connection with drive mechanism by sprocket wheel (7), and the upper front end of screen tube sets and spiral pressure
The charging aperture (3) that press chamber communicates, filter screen tube rear end sets out mud mouth (9), and the bottom of screen tube sets sucrose solution and collects basin (10), mud mouth
Bottom sets out mud conveyer belt (8), is provided with pressure ring governor motion (6) at described mud mouth；
It is characterized in that: described filter mud microwave drier includes combustor (11), second-time burning and heat-exchanging chamber (13) and does
Dry case (12), is arranged on drying baker (12) front portion outward, second-time burning with the combustor (11) that filter mud gasification combustion engine is dried
And heat-exchanging chamber (13) is arranged on the front end in drying baker (12), the escape pipe that filter mud gasification combustion engine is dried of combustor (11)
It is connected with second-time burning and heat-exchanging chamber (13), drying baker (12) tail end peripheral hardware circulation of tail gas airduct (19) and circulation of tail gas wind
Machine (20), the top of drying baker is provided with feed hopper (18) and moisture exhausting port (122), and drying baker tail end bottom sets out material mouth (22)；
It is horizontally installed with Multi-layer transmission band (16), about each layer transmission belt, tip position staggers it may be assumed that top layer passes in described drying baker
Dynamic band right-hand member corresponds to feed hopper, and the left end of second layer transmission belt grows the left end of top layer transmission belt, the right-hand member of third layer transmission belt
Grow the right-hand member of second layer transmission belt, and so on；The carriage direction end of bottom transmission belt is corresponding with the discharging opening of bottom；
Described transmission belt is in transmission connection with the drive mechanism being arranged on outside drying baker by chain, the operating of adjacent two layers transmission belt
In opposite direction it may be assumed that top layer transmission belt is from feed hopper one end to left movement, second layer transmission belt moves right, third layer transmission belt
To left movement, and so on；The transmission belt of the same direction of motion is in transmission connection with same drive mechanism；
The transmission belt top of bottom is provided with the microwave tube (21) for heating, is provided with use between other layer of transmission belt in addition to bottom
In the heat-exchange tube (17) of heating, described heat-exchange tube left end is communicated with the air channel of second-time burning and heat-exchanging chamber (13), right-hand member
Communicate with circulation of tail gas airduct (19)；
The described box top that is dried is provided with multiple self-loopa hot-air blowers (15) communicating with drying baker；
The moisture exhausting port of box top is dried communicate with the exhaust-gas treatment tank outside drying baker, described circulation of tail gas airduct (19) be dried
Case top layer transmission belt upper channel communicates；Described drying baker surrounding sets heat-insulation layer；
Described transmission belt is made using stainless steel material, and transmission belt bottom is provided with cylinder.
2. the dewatering drying device of a kind of filter mud of sugar refinery microwave dehydration dry treatment process according to claim 1, it is special
Levy and be: described coreless induction furnace includes high frequency switch board, coil and metal inductor high temperature, high frequency switch board is used for producing high frequency
Electric current, high frequency electric produces ultrahigh speed rotating excitation field via coil, and the metal inductor in magnetic field is rapidly heated to high temperature
300-500 degree, filter mud is heated rapidly to more than 120 degree, destroys its water clusters so as to the follow-up microwave dehydration of easy entry；High frequency
The rated power of stove is 30kw, and treating capacity is 100 ton day.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439551.2A CN105036511B (en) | 2015-07-23 | 2015-07-23 | Sugar refinery filter mud microwave dewatering and drying treatment process and dewatering and drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439551.2A CN105036511B (en) | 2015-07-23 | 2015-07-23 | Sugar refinery filter mud microwave dewatering and drying treatment process and dewatering and drying device |
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| CN105036511A CN105036511A (en) | 2015-11-11 |
| CN105036511B true CN105036511B (en) | 2017-02-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399302B (en) * | 2015-12-21 | 2017-10-10 | 广东金颢轩环境工程设备科技有限公司 | A kind of depth sludge magnetization dehydration treatment method |
| CN106809866A (en) * | 2017-02-10 | 2017-06-09 | 山东星光生物科技有限公司 | A kind of sugar mill mud high-efficiency comprehensive utilization method and device |
| CN109231764B (en) * | 2018-10-30 | 2023-11-14 | 明阳(宁波)环保科技有限公司 | Microwave hot air jet flow cooperative drying device |
| CN109682169B (en) * | 2018-12-25 | 2020-06-16 | 四川英诺环保设备有限公司 | Paint waste residue drying method |
| CN111928270A (en) * | 2020-06-30 | 2020-11-13 | 广西国发能源科技有限公司 | Method for treating sugar refinery filter mud as steam power generation renewable fuel |
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Patent Citations (7)
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| JP2003126899A (en) * | 2001-10-25 | 2003-05-07 | Daiki Sangyo:Kk | Method and apparatus for organic cake heat treatment |
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