CN202193705U - Sludge drying chamber - Google Patents
Sludge drying chamber Download PDFInfo
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- CN202193705U CN202193705U CN2011202488295U CN201120248829U CN202193705U CN 202193705 U CN202193705 U CN 202193705U CN 2011202488295 U CN2011202488295 U CN 2011202488295U CN 201120248829 U CN201120248829 U CN 201120248829U CN 202193705 U CN202193705 U CN 202193705U
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Abstract
The utility model discloses a sludge drying chamber. The sludge drying chamber comprises intakes (10) of working substance air, wind channels (11) of working substance air and a sludge dryer (6) and is characterized in that the number of the intakes (10) of working substance air is two or more than two, and working substance air temperature in at least one intake (10) of working substance air is different from that in other intakes (10) of working substance air. The sludge with different humidity can be heated by using working substance air with different temperatures, so that the sludge drying effect can be improved comprehensively.
Description
Technical field
The utility model relates to a kind of drying sludge chamber, particularly relates to the drying sludge chamber of improving the heat integration rate.
Background technology:
Drying sludge is the process of an energy net disbursement, energy charge be used in account for running cost in the standard dehumidification system ratio greater than 80%.Therefore sludge treatment belongs to the highly energy-consuming industry, and the energy is the important substance basis of national economy, and it directly has influence on national security, Sustainable development and social stability.In sludge handling process, cut down the consumption of energy, enhanced heat exchange, raising energy utilization ratio become subject matter.Both alleviated the economical load of country to sludge treatment, the recycling to energy in the mud has positive pushing effect again, and development prospect is wide.
In the at present existing sludge drying equipment, no matter be that direct type or indirect type all are to adopt thermal source directly to feed sludge-drying in the drying plant.Each is interrupted in the different qualities that showed and the mud characteristic with the multi-form moisture that exists at exsiccant to have ignored mud.For example, when the humidity of mud is big, if adopt pyritous working medium air heating; Though exsiccant speed is high,, need very big heat energy because wet amount is big; And obtaining of high temperature refrigerant air need to consume more, the fine energy more, is a kind of drying mode of poor efficiency so do like this; And the working medium air of employing lesser temps; As the working medium air that adopts heat pump is when removing to heat the higher mud of mass dryness fraction; Almost can't therefrom take away moisture content, consume a lot of working medium air and but can't reach the exsiccant purpose, the result who causes is the waste of significant amount of energy.How according to the demand of drying sludge, comprehensive efficient realization drying effect just becomes problem anxious to be solved.
Summary of the invention:
The utility model is exactly in order to solve the above problems, and provides a kind of humidity according to mud different, the difference of its dry demand, and the drying sludge chamber that the working medium air of employing differing temps improves comprehensive drying efficiency; On the other hand, the hot and humid gas that utilizes sludge-drying to produce according to its actual drying power, carries out drying to wetter mud, further improves the efficient of drying sludge.
Concrete; The utility model provides a kind of drying sludge chamber; Described drying sludge chamber comprises the intake 10 of working medium air, the air channel 11 and the sludge dryer 6 of working medium air; The quantity that it is characterized in that described working medium air intake 10 is more than two and two, and has at least a working medium air intake 10 interior working medium ATs to be different from the temperature of the working medium air of other working medium air intakes 10.
Described working medium air intake 10 is transported to mud 4 places of humidity different on the sludge dryer 6 through air channel 11.
Described working medium air is according to the different corresponding dry different mud 4 of temperature, the little mud 4 of working medium dry air water cut that temperature is high, the big mud 4 of working medium dry air water cut that temperature is low.
Described working medium air has different temperature, and the working medium air further heats up through interchanger 21 is set, and obtains the high working medium air of temperature.
The mud 4 of described working medium dry air different humidity, the mud 4 that water cut is big adopts temperature low, the working medium dry air that air quantity is big; The mud 4 that water cut is little adopts temperature high, the working medium dry air that air quantity is little.
Described sludge dryer 6 comprises travelling belt 5 and the working medium air air outlet 12 of drying to travelling belt 5; Described travelling belt 5 is arranged according to upper-lower position; The air channel 11 of each travelling belt 5 and correspondence is in different zones; Interval 8 is arranged between each zone, on the described interval 8 passage 9 is arranged, the described top travelling belt 5 that is positioned at is toppled over mud through the passage 9 downward one deck travelling belts 5 on the interval 8.
The damp-heat air that described working medium dry air mud 4 backs produce is delivered to damp-heat air relief outlet 16 through wind channel 15, discharges drying sludge chamber 1.
Described passage 9 has damp-heat air to pass through, and the damp-heat air of handling the little mud generation of water cut flows through described passage 9, gets into the zone of handling the high mud of humidity, finally discharges drying sludge chamber 1 through damp-heat air exhaust outlet 3.
Also be provided with branch branch air duct 22 on the described wind channel 15; This minute, branch air duct 22 was communicated with the corresponding air channel 11 of sludge dryer 6 of high humidities; Branch air duct 22 was provided with air-valve 23 in described minute, and the air-supply side in wind channel 15 and the junction of dividing branch air duct 22 is provided with air-valve 20; And air-valve 20 is an interlocked relationship with air-valve 23, and when air-valve 20 was opened, air-valve 23 cut out, and when air-valve 20 cut out, air-valve 23 was opened.
The condition that air-valve 23 on described minute branch air duct 22 is opened is: when the mud humidity following sludge dryer 6 in less than 55% the time, simultaneously above the interior mud humidity of sludge dryer 6 greater than 60%; The condition that air-valve 23 on described minute branch air duct 22 cuts out is: when the mud humidity in the following sludge dryer 6 more than or equal to 55% the time, perhaps above mud humidity in the sludge dryer 6 smaller or equal to 60%.
The condition that air-valve 23 on described minute branch air duct 22 is opened is: the relative humidity of the damp-heat air of discharging when following sludge dryer 6 is below 80%, and this humidity is lower than the humidity of the mud in the top sludge dryer 6; The condition that air-valve 23 on described minute branch air duct 22 cuts out is: when the relative humidity of the damp-heat air that following sludge dryer 6 is discharged 80% and more than, perhaps the humidity of damp-heat air is equal to or higher than the humidity of the mud in the top sludge dryer 6.
The sludge dryer that provides according to the utility model; Can remove the big mud of dry regain through the working medium air of the low big air quantity of drying temperature; Remove the little mud of dry regain through working medium air than high dry temperature; Through improving exsiccant efficient, make whole production line to move with certain speed, improved the drying efficiency of whole moisture eliminator.
In addition; Because mud in the difference of each stage water cut, through 8 different partition areas being set at interval, adopts the working medium dry air mud of differing temps in different partition areas; The high-temperature zone inner drying is the less mud of water cut simultaneously; The relative humidity of the damp-heat air after coming out is not too large, and certain temperature is arranged, and is feeding cryodrying district continuation sludge-drying.
Description of drawings
Fig. 1 is the drying sludge chamber synoptic diagram of the utility model embodiment one;
Fig. 2 is the drying sludge chamber synoptic diagram of the utility model embodiment two;
Fig. 3 is the drying sludge chamber synoptic diagram of the utility model embodiment three;
Fig. 4 is the drying sludge chamber synoptic diagram of the utility model embodiment four;
Fig. 5 is the drying sludge chamber synoptic diagram of the utility model embodiment five;
Fig. 6 needs the synoptic diagram of heat for different humidity in the drying sludge process.
Wherein: 1 is the drying sludge chamber, and 2 are wet mud inlet; 3 is the total exhaust outlet of damp-heat air; 4 is the mud on the travelling belt; 5 is travelling belt; 6 is sludge dryer; 7 is the mud relief outlet; 8 is at interval; 9 is passage; 10 is working medium air intake; 11 is the air channel; 12 is working medium air air outlet; 13 is the damp-heat air flow direction; 14 is the working medium air-flow direction; 15 is wind channel; 16 is exhaust outlet; 17 is the air inducing blower fan; 18 is the mud storing plate; 19 is total fan; 20 is the air-valve on the wind channel; 21 is interchanger; 22 for dividing branch air duct, and 23 for dividing the air-valve on the branch air duct.
Embodiment
Come the technical scheme of the utility model is further specified through specific embodiment below.
Embodiment one
As shown in Figure 1, drying sludge chamber 1 comprises a plurality of working medium air intakes 10, and a plurality of working medium air are introduced air channel 11; Sludge dryer 6, damp-heat air exhaust outlet 3, wherein; The working medium air flows along working medium air-flow direction 14, gets into drying sludge chamber 1 through working medium air intake 10, through heat drying mud in sludge dryer 6; The damp-heat air that forms leaves sludge dryer 6 according to damp-heat air flow direction 13, and discharges drying sludge chamber 1 from damp-heat air exhaust outlet 3; Wherein three working medium air are introduced the working medium AT difference in the air channel 11, heat the mud in one of them sludge dryer.Also promptly, drying sludge chamber 1 comprises at least two and plural working medium air intake, and has at least the working medium AT of a working medium air intake to be different from the temperature of the working medium air of other working medium air intakes.Sludge dryer 6 is through the direct perhaps indirect heating mud of working medium air in the utility model; It can be the fluidized-bed sludge drying mechanism; The working medium air carries out drying to the mud grain in the fluidized-bed, thereby reaches the exsiccant purpose through the air port of this device bottom; Can be the disc type sludge drying mechanism also, long drying sludge passage is arranged, the working medium air be in this passage, with the heat exchange of mud reversed flow; Can also be the hollow paddle type sludge drying installation, stir mud,, when stirring, heat and drying through feeding the working medium air in the air channel in blade through blade.More than these drying installations can be as sludge dryer 6 in the utility model; Also can be used as the combination of a plurality of sludge dryers 6; And but be not limited to these devices, it is every that directly perhaps the drying installation of indirect heating mud can through the working medium air.In embodiment one, sludge drying mechanism 6 can be one of a plurality of sludge drying mechanisms, adopts the working medium air of differing temps at a plurality of sludge drying mechanisms 6; Sludge dryer 6 also can be the part of a cover sludge drying mechanism, and promptly this cover sludge drying mechanism comprises a plurality of sludge dryers 6, and adopts the working medium air of differing temps at a plurality of sludge dryers 6.
Need need the more stage of heat in difficult exsiccant stage or drying to sludge dryer, adopt the higher working medium air of temperature to raise the efficiency.In conjunction with Fig. 1 and Fig. 2, the part among Fig. 2 in the frame of broken lines is a sludge dryer 6, comprises mud travelling belt 5, be on the travelling belt 5 mud 4 be connected on the air channel 11, and to the air port 12 of mud 4 air-supplies.Mud 4 blows the working medium air through the air port 12 that is arranged on the travelling belt to mud, heat drying mud on travelling belt 5.Further, have among Fig. 2 go up in following three air channels 11, get into drying sludge chambers 1 through working medium air intake 11, remove the mud 4 on dry three travelling belts 5 under in last respectively, also can think the mud in the sludge dryer 6.Can find out wet sludge handling process among Fig. 2, the wettest mud gets into kiln 1 from kiln 1 vertical wet mud inlet 2, drops on the uppermost travelling belt 5; Dry through 11 air-supplies of uppermost air channel, slowly move on to the right side from the left side of travelling belt 5, fall on the intermediary travelling belt 5; Dry through 11 air-supplies of intermediary air channel, slowly move on to the left side from the right side of travelling belt 5, fall on the following travelling belt 5; Dry through 11 air-supplies of following air channel; Slowly move on to the right side from the left side of travelling belt 5, fall into mud and store in the dividing plate 18, finally dried mud is discharged drying sludge chambers 1 from mud relief outlet 7.
Promptly the mud at uppermost travelling belt 5 is the wettest mud, when mud humidity is big, more moisture content is arranged between solid matter, and the working medium air lower with temperature just can heat, and takes away moisture content faster; Mud on nethermost travelling belt is the mud of doing, and after the humidity of mud reduces, mainly is the inner moisture content of solid particulate; If adopt the low working medium air of temperature; Almost can't therefrom get rid of moisture content, it is very low that the translational speed of this travelling belt will become, thereby influence the travelling speed of whole drying sludge chamber; And through increasing the temperature of working medium air; Can get rid of the moisture content in the mud granule faster, help the efficient and the equilibrium of the heating of whole drying sludge chamber, make all indoor transmission of drying sludge have higher travelling speed.
In drying sludge chamber 1 shown in Figure 2; The temperature of the working medium air in the following air channel 11 will be higher than the temperature of the working medium air in the middle and top air channel 11; The mud that the working medium air heating of the comparatively high temps like this in the air channel 11 is done; Heating efficiency than cryogenic fluid air is high, thereby has improved the efficient of whole drying sludge chamber; Above air channel 11 in the temperature of working medium air to be lower than in the middle of with following air channel 11 in the temperature of working medium air, owing to the working medium air of lesser temps just can effectively heat the mud with dry high humidity, simultaneously; Because the working medium air ratio of lesser temps is easy to obtain; Particularly can obtain,, only need a spot of high-grade energy just can obtain several times heat energy because the heating efficiency of heat pump is higher through heat pump; So see from the energy that drops into and the drying effect of obtaining; The bigger mud of humidity has higher efficient with the working medium dry air of lesser temps, promptly can obtain the dehydrating amount of bigger mud through less energy input.
In sum; The working medium air of differing temps is transported to the mud place of different humidity through the air channel, particularly, the working medium air is according to the different corresponding dry different mud of temperature; The little mud of working medium dry air water cut that temperature is high, the big mud of working medium dry air water cut that temperature is low.In specification sheets, the meaning that water cut is bigger is the amount of the moisture content that is contained in the mud of unit weight; The humidity of mud is meant the relative humidity of mud, and the sludge moisture content of mud ingress is 100%, and the ratio of the sludge moisture content of the water cut of current mud and 100% water cut is the water cut of current mud.
Embodiment two
As shown in Figure 2, present embodiment and embodiment one difference are, and be concrete; The sludge dryer 6 that present embodiment adopts comprises travelling belt 5 and the air port 12 of drying to travelling belt; The working medium air blows on the mud 4 through air port 12, behind working medium air heating and the sludge-drying 4, forms damp-heat air; Final damp-heat air flows to total exhaust outlet 3 according to damp-heat air flow direction 13 indicated directions, discharges drying sludge chamber 1 through total fan 19.Wet mud gets into drying sludge chamber 1, and describes in embodiment one in the indoor transportation of drying sludge, heating and exsiccant process, and this place no longer repeats.
In addition; In the present embodiment; Different working medium ATs is to be provided with interchanger 21 by the following air channel 11 that needs high temperature air working medium; Further heat through 21 pairs of working medium air of interchanger, make that 11 interior working medium air further heat up from this air channel on original temperature basis, obtain the high working medium air of temperature.
In addition, in the present embodiment, exsiccant different humidity mud as required, the mud that water cut is big adopts the low working medium air of temperature, through the big working medium dry air mud of air quantity; The mud that water cut is little adopts the high working medium air of temperature, through the little working medium dry air mud of air quantity.For the big mud of water cut; Mainly make dry progress reach the production schedule of drying sludge chamber through the air quantity that improves the working medium air; For the little mud of water cut, mainly make dry progress reach the production schedule of drying sludge chamber through the temperature that improves the working medium air.
In addition; Because travelling belt 5 is arranged according to upper-lower position; The air channel 11 of each travelling belt 5 and correspondence is in different zones; Be provided with interval 8 between the adjacent areas, on the interval 8 passage 9 arranged, be positioned at top travelling belt 5 and topple over through the mud after the processing of one's respective area through the passage 9 downward one deck travelling belts 5 on the interval 8.As shown in Figure 2; Because mud relief outlet 7 is in closing condition when normal operation; So the air channel 11 in following zone continues to send under the situation of working medium air; The damp-heat air in bottom zone can pass through passage 9 and get into the intermediary zone along damp-heat air flow direction 13, and, compile the zone of damp-heat air above damp-heat air flow direction 13 gets into that region intermediate produces; And then the damp-heat air that compiles the upper zone generation is discharged drying sludge chambers 1 through damp-heat air exhaust outlet 3 through total fan 19.That is, the damp-heat air of handling the low mud generation of water cut flows through passage 9, gets into the zone of handling the big mud of water cut, finally discharges the drying sludge chamber through damp-heat air exhaust outlet 3.
Because the sludge moisture content of lower region is little; And the temperature of working medium air is high, so the temperature of its damp-heat air is higher, and regain is smaller; Can't pollute and influence the drying sludge situation of middle and upper zone; And such setting can not make the downward surface current of the bigger damp-heat air of humidity moving, has guaranteed the mud that damp-heat air can not pollute or the humidification water cut is little.
In addition; The heat form of working medium air is that middle air channel and air channel, bottom adopt the common interchanger to bring up to certain temperature in the present embodiment; The temperature of working medium air is further improved in the air channel, bottom again through interchanger; The temperature that has so just formed the working medium air in following three air channels in going up is different, and the situation of ladder rising.Help making the working medium AT in middle and following air channel that certain temperature difference is arranged, guarantee that two drying sludges in the zone have higher efficient.
All the other are not stated and partly see embodiment one for details, no longer repeat.
Embodiment three
As shown in Figure 3; The difference of present embodiment and embodiment two is; The heat form of working medium air is that interchanger 21 is separately adopted in middle air channel and air channel, bottom respectively, and the temperature of the working medium air in also promptly middle air channel and the following air channel is confirmed by the requirement of its technology.Being illustrated in figure 6 as different humidity in the drying sludge process needs the synoptic diagram of heat, and X-coordinate is mud humidity W, and coordinate figure is the ratio of actual water cut and total water content (100%); Ordinate zou is the energy Q that sludge-drying needs; Unit is kilowatt per hour, and this kind mud is under the intermediate moisture situation, and concrete is when regain 35-60%; Because mud granule and water have formed similar colloid; So the heat that drying needs can be higher than regain less than 35% and 60% situation high with regain, present embodiment is when this mud of drying, and the temperature in middle air channel can be higher than the temperature in following air channel; So that accelerate dry this similar colloidal mud, thereby improve the comprehensive drying efficiency in drying sludge chamber 1.
All the other are not stated and partly see embodiment two for details, no longer repeat.
Embodiment four
As shown in Figure 4; The difference of present embodiment and embodiment three is; Be provided with wind channel 15 on travelling belt 5 next doors, after 17 suctions of air inducing blower fan, damp-heat air is discharged drying sludge chamber 1 from exhaust outlet 16 to the damp-heat air that produces behind the working medium dry air mud through wind channel 15.Can effectively utilize the space in the drying sludge chamber 1 like this, the mutual pollution of stopping damp-heat air fully.
All the other are not stated and partly see embodiment three for details, no longer repeat.
Embodiment five
As shown in Figure 5; The difference of present embodiment and embodiment four is that travelling belt 5 next doors below humidity is little are provided with wind channel 15, and wind channel 15 removes and is provided with exhaust outlet 16 damp-heat air discharge drying sludge chamber 1; Also has the branch air duct 22 of branch; This minute, branch air duct 22 made damp-heat air be discharged to the corresponding air channel 11 of upper belt of high humidity, with the working medium air mixed at this place, improved the ability of its heat drying mud.As shown in Figure 5, minute branch air duct 22 is provided with air-valve 23, and the air-supply side in wind channel 15 and the junction of dividing branch air duct 22 is provided with air-valve 20, the flow direction of the control damp-heat air that is used for producing on the following travelling belt.Air-valve 23 on minute branch air duct 22 cuts out, when air-valve on the wind channel 15 20 is opened, below the damp-heat air that produces of sludge dryer 6 discharge outside the drying sludge chambers 1 through exhaust outlet 16; Air-valve 23 on minute branch air duct 22 is opened, when the air-valve 20 on the wind channel 15 cuts out, below the damp-heat air that produces of sludge dryer 6 through dividing branch air duct 22, enter into the corresponding air channel 11 of upper belt of high humidity.That is, and the air-valve on the wind channel 15 20 be interlocked relationship with dividing the air-valve 23 on the branch air duct 22, and when air-valve 20 was opened, air-valve 23 cut out, when air-valve 20 cuts out, and air-valve 23 unlatchings.
Because it is higher below the heating than the damp-heat air outflow temperature of sludge-drying; And because less than the moisture content that can discharge in the sludge-drying, and the damp-heat air that forms has the ability of higher temperature and higher absorption moisture content; Particularly; Wet mud temperature in the top sludge dryer is low, high humidity, and its heating needs higher temperature and big air quantity with drying.And the damp-heat air that following sludge dryer is discharged can improve the temperature of working medium air in the top air channel on the one hand, can improve the air quantity in the air channel simultaneously, further improves the efficient of drying sludge.
In the present embodiment; Mud humidity below is below 45%, and the humidity of the damp-heat air that produces behind the pyritous working medium dry air mud is less than 40%, and this damp-heat air is according to damp-heat air direction 13; Deliver in the top air channel 11 through minute branch air duct 22; After its working medium air mixed, be used for dry above the wettest mud in the sludge dryer 6, the mud humidity at this place is more than 70%.The damp-heat air that attracts from below has improved the AT that gets into sludge dryer 6 on the one hand, has improved the air quantity that gets into sludge dryer 6 on the other hand, can improve the heat drying efficient of sludge dryer 6 significantly.
But when following sludge dryer 6 exsiccant mud humidity were big, the temperature of the damp-heat air of generation can be lower, and the humidity of the damp-heat air that produces can be bigger, is worth with regard to the mud in the top sludge dryer not being carried out exsiccant.So, need the humidity through judging the indoor mud of following drying sludge come indirect drawing, whether the damp-heat air of its generation is suitable carries out drying to top mud.Shown in present embodiment, the pyritous damp-heat air is to be used to heat wet mud satisfying under the certain condition, thereby improves the whole efficiency of drying sludge.Through overtesting with research and analyse; When the mud humidity in the following sludge dryer 6 less than 55% the time; Mud humidity simultaneously in the sludge dryer 6 was greater than 60% o'clock; Unlatching divides the air-valve 23 on the branch air duct 22, closes wind channel 15 and divides the air-supply side of the junction of branch air duct 22 to be provided with air-valve 20, makes the damp-heat air that produces in the following sludge dryer 6 enter into the air channel 11 of top sludge dryer 6 correspondences; When the mud humidity in the following sludge dryer 6 more than or equal to 55% the time; Mud humidity in the perhaps top sludge dryer 6 was smaller or equal to 60% o'clock; Air-valve 23 on the close fork air channel 22; Open the air-valve 20 on the wind channel 15, make the damp-heat air that produces in the following sludge dryer 6 discharge drying sludge chamber 1 through exhaust outlet 16.Can better improve so controlled, the pollution of avoiding producing humidity.
All the other are not stated and partly see embodiment four for details, no longer repeat.
Embodiment six
The difference of present embodiment and embodiment five is that the damp-heat air flow direction that the following sludge dryer 6 of its control is discharged is to realize through the relative humidity of judging damp-heat air.The relative humidity of the damp-heat air of discharging when following sludge dryer 6 is more than 80%; Air-valve 23 on the close fork air channel 22; Open the air-valve 20 on the wind channel 15, make the damp-heat air that produces in the following sludge dryer 6 discharge drying sludge chamber 1 through exhaust outlet 16; The relative humidity of the damp-heat air of discharging when following sludge dryer 6 is below 80%; And when this humidity is lower than the humidity of the mud in the top sludge dryer 6; Open the air-valve 23 that divides on the branch air duct 22; Close wind channel 15 and divide the air-supply side of the junction of branch air duct 22 to be provided with air-valve 20, make the damp-heat air that produces in the following sludge dryer 6 enter into the air channel 11 of top sludge dryer 6 correspondences.Can directly assess the ability of the mud in the sludge dryer 6 of participating in above the drying like this, effectively make full use of the heat and the wettability power of damp-heat air, improve the drying efficiency of drying sludge chamber 1.Relative humidity judgement through air is easy to detect; And the current psychromatic ratio of mud is more difficult to get direct detected value; The reckoning value error that perhaps obtains is bigger, so judge through the relative humidity of air, can directly draw through Hygrothermograph; Perhaps read, be convenient to unit judgement and control through the transmitter of humiture.
All the other are not stated and partly see embodiment five for details, no longer repeat.
Claims (7)
1. drying sludge chamber; Described drying sludge chamber comprises the intake (10) of working medium air, the air channel (11) and the sludge dryer (6) of working medium air; The quantity that it is characterized in that described working medium air intake (10) is more than two and two, and has at least the interior working medium AT of a working medium air intake (10) to be different from the temperature of the working medium air of other working medium air intakes (10).
2. drying sludge according to claim 1 chamber, (11) are transported to sludge dryer (6) and go up the mud (4) of different humidity and locate through the air channel to it is characterized in that described working medium air intake (10).
3. drying sludge according to claim 1 chamber is characterized in that described working medium air has different temperature, and the working medium air further heats up through interchanger (21) is set, and obtains the high working medium air of temperature.
4. according to each described drying sludge chamber among the claim 1-6; It is characterized in that described sludge dryer (6) comprises travelling belt (5) and the working medium air air outlet (12) of drying to travelling belt (5); Described travelling belt (5) is arranged according to upper-lower position; The air channel (11) of each travelling belt (5) and correspondence is in different zones; (8) are at interval arranged between each zone, passage (9) is arranged on described interval (8), the described top travelling belt (5) that is positioned at is toppled over mud through the downward one deck travelling belt (5) of the passage (9) on the interval (8).
5. according to each described drying sludge chamber among the claim 1-6, it is characterized in that the damp-heat air of described working medium dry air mud (4) back generation is delivered to damp-heat air relief outlet (16) through wind channel (15), discharge drying sludge chamber (1).
6. drying sludge according to claim 7 chamber; It is characterized in that described passage (9) has damp-heat air to pass through; The damp-heat air of handling the little mud generation of water cut flows through described passage (9); Get into the zone of handling the high mud of humidity, finally discharge drying sludge chamber (1) through damp-heat air exhaust outlet (3).
7. drying sludge according to claim 8 chamber; It is characterized in that also being provided with on the described wind channel (15) branch branch air duct (22); This minute branch air duct (22) is communicated with the corresponding air channel (11) of sludge dryer (6) of high humidity; Described minute branch air duct (22) be provided with air-valve (23), the air-supply side in wind channel (15) and the junction of dividing branch air duct (22) is provided with air-valve (20); And air-valve (20) and air-valve (23) are interlocked relationship, and when air-valve (20) was opened, air-valve (23) cut out, and when air-valve (20) when closing, air-valve (23) is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202488295U CN202193705U (en) | 2011-07-12 | 2011-07-12 | Sludge drying chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202488295U CN202193705U (en) | 2011-07-12 | 2011-07-12 | Sludge drying chamber |
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| CN202193705U true CN202193705U (en) | 2012-04-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875000A (en) * | 2011-07-12 | 2013-01-16 | 北大工学院绍兴技术研究院 | Sludge drying chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875000A (en) * | 2011-07-12 | 2013-01-16 | 北大工学院绍兴技术研究院 | Sludge drying chamber |
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Effective date of registration: 20121113 Address after: 312000 city of Shaoxing province Zhejiang Paojiang Industrial Zone crossing together Patentee after: Shaoxing Institute of Technology, College of Engineering, PKU Patentee after: Chongqing Endurance Shanhua Special Vehicle Co., Ltd. Address before: Shaoxing Institute of technology in Zhejiang province 312000 Shaoxing Paojiang Industrial Zone together at Peking University Institute of Technology Patentee before: Shaoxing Institute of Technology, College of Engineering, PKU |
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