CN108862986A

CN108862986A - Sludge treating system

Info

Publication number: CN108862986A
Application number: CN201810644965.2A
Authority: CN
Inventors: 王良源
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-06
Filing date: 2016-01-06
Publication date: 2018-11-23
Also published as: CN108821537A; CN105439416B; CN108840540A; CN105439416A

Abstract

The present invention relates to sludge treating systems, including transmitting device, water removing structure and drying device, the drying device includes furnace body, for to the charging gear that material is added in furnace body, for collecting the material-receiving device of the material in furnace body after drying, it is by the first air inlet that extraneous hot gas introducing furnace is intracorporal to wind apparatus, and the agitating device for being stirred and crushing to material.Wherein, agitating device includes the second shaft, is threaded through in the cavity of the furnace body, and second shaft has venting cavity, several puff prots are provided on the venting cavity, the jet direction of the puff prot is not overlapped not parallel with the mixing direction of the mixing direction of the agitating shaft and the blade；When to dry materials, hot gas introduces in furnace body cavity through the first air inlet, the rotation of second shaft drives the mixing component in the second shaft constantly to be stirred along the radial and axial of the second shaft to material, enable material in furnace body along the axially and radially rolling of the second shaft, increase the time that material is stirred, increases the area of material and hot gas heat convection.In addition, crushing material can also be formed the smaller material of particle, further increase the area of material Yu hot gas heat convection, improve the drying efficiency and drying effect of material by mixing component.

Description

Sludge treating system

Technical field

The present invention relates to technical field of sludge treatment, and in particular to a kind of sludge treating system.

The present invention is divisional application, female case application No. is：201610009711.4 entitled：Treatment of Sludge system System, application are artificial：Wang Liangyuan, the applying date be：On January 6th, 2016.

Background technique

Sludge is the product in sewage disposal process, containing a large amount of organic matter, heavy metal and mould etc., if being not added subsequent Processing environment can be caused seriously to pollute, therefore, often sludge is carried out concentration and dehydration, but by this processing after Moisture percentage in sewage sludge usually 70% or more, also need further to be dried sludge.

The drying system used in the prior art to drying sludge, structure is mostly such as Chinese patent literature Drying system disclosed in CN201058838Y, including furnace body, the batcher being connect with the feed inlet of furnace body, the outlet with furnace body The spray column of mouth connection.Wherein, furnace body includes setting in the intracorporal transmission shaft of furnace, is arranged on transmission shaft outer wall and radially extends Several hollow blades, hollow blade and furnace body outer wall are heated by being passed through high-temperature gas into transmission shaft, so that in furnace body Form hot environment.For this drying system during to dry materials, material is in inboard wall of furnace body, transmission shaft and blade outer wall In the cavity of formation, under the rotation of transmission shaft, blade stirs material along the direction that transmission shaft rotates, so that material is in the cavity It is stirred, and carries out heat convection between blade outer wall, transmission shaft outer wall and inboard wall of furnace body.

But above-mentioned drying system, material are transmitted the unidirectional blade stirring of axis always, carry out along same direction Rolling, on the one hand can reduce the heat-transfer effect in later period, and it is long that material is stirred interval time, cannot fully stir material It mixes；On the other hand, for material biggish for some humidity, it will cause along same direction rolling and bonded between material, shadow The shatter value for ringing material, is unfavorable for heat convection, causes heat exchange efficiency low, drying effect is bad.

In addition, in the prior art, when the intracorporal material of furnace is dried using gas, generally requiring in the outer of furnace body Portion's setting heating device heats gas, and the gas after heating is then passed into furnace interior again, this causes entirely dry Structure is complicated for drying system.

Summary of the invention

Therefore, technical problem to be solved by the present invention lies in overcome drying system in Treatment of Sludge in the prior art dry Low efficiency, drying effect be bad and complicated defect, so that providing one kind can be improved drying efficiency, improves drying effect And the simple sludge treating system of structure.

For this purpose, the present invention provides a kind of sludge treating system, including

Transmitting device has two-stage transmission surface, and first order transmission surface is located at the upper side of second level transmission surface, and the first order passes It is connected between the chances of losing games and second level transmission surface by transition apparatus, the sludge that the transmitting device can mix solid-liquid is from first The head end of grade transmission surface is transported to the tail end of first order transmission surface, and imported into second level transmission surface by transition apparatus, and from The head end of second level transmission surface is transported to the tail end of second level transmission surface；

Water removing structure, including the apopore being arranged in each transmission surface, and in each transmission surface being capable of phase Change the pressing plate of height to transmission surface, the pressing plate is used to squeeze the moisture in the sludge；

The tail end of the second level transmission surface of the transmitting device is arranged in drying device, and is located at the second level and transmits The side-lower in face is dried for receiving the sludge from second level transmission surface, and to the sludge；The drying Device includes

Furnace body, horizontally disposed, feed inlet, the discharge port for being added, taking out with cavity, for material, feed inlet The tail end setting of the second level transmission surface of corresponding drying device, receives the sludge from second level transmission surface；

First rotating shaft is threaded through in the cavity of the furnace body, has installation cavity, if being provided on the inner wall of the installation cavity Dry heating wire, the heating wire generate heat when being powered, and the first rotating shaft is made of Heat Conduction Material；

Second shaft is set in the first rotating shaft, and venting cavity is formed between the first rotating shaft, the ventilation Several puff prots, the mixing direction and the blade of the jet direction of the puff prot and the agitating shaft are provided on chamber Mixing direction be not overlapped not parallel, the central axes of the jet direction of the puff prot and the feed inlet form 30-50 degree folder Angle；

Agitating shaft is arranged on the outer wall of second shaft, and the radial direction towards second shaft extends, and edge Second shaft axial outer wall distribution it is multiple；

Blade is inclined on the agitating shaft to be multiple, and the distance between adjacent described blade is not more than 30mm；

The puff prot is between the adjacent agitating shaft, the central axes of the puff prot and the angle of the second shaft of water Less than the angle of the agitating shaft and the second shaft.

As preferred embodiment, the central axes of the feed inlet are intersected with the inclination of the central axes of second shaft, It is formed and is greater than 90 degree of angles less than 150 degree.

As preferred embodiment, the blade is removably set on the agitating shaft, and the mixing component also wraps Locking member is included, for the blade to be locked at the required position on the agitating shaft.

As preferred embodiment, multiple agitating shafts are distributed in multiple spaced peripheries of second shaft On, at least one agitating shaft is distributed on each periphery of second shaft.

As preferred embodiment, the agitating shaft on adjacent circumferential face is located on different vertical planes.

As preferred embodiment, the agitating shaft is at least four, and four agitating shafts are separately positioned on described On four peripheries of the second shaft, and four agitating shafts are successively set on respectively in the Z-direction of second shaft Top exterior walls on, outside the bottom on the front outer wall in Y direction, on the rear portion outer wall in Y direction and in Z-direction On wall.

Angle of the blade tilted set on the agitating shaft is greater than 0 ° and is less than or equal to 20 °；The blade Spacing between the edge and the inboard wall of furnace body of inboard wall of furnace body side is 0.5-10 centimetres.

Two neighboring agitating shaft is not more than 500mm along the axial distance in the second shaft axial direction；Agitating shaft and the furnace The distance in internal portion is not less than 1000mm.

Technical solution provided by the invention, has the following advantages that：

1. sludge treating system provided by the invention, sludge is transferred to the second level from first order transportation surface and transported by transmitting device In the chances of losing games, in the process, the pressing plate being arranged on each transportation surface squeezes sludge, squeezes out the moisture in sludge, Water droplet is discharged from apopore, carries out preliminarily dried to sludge, then, the sludge after preliminarily dried is entered in drying device and carried out It is further dried, which includes furnace body, has feed inlet, discharge port on furnace body；First rotating shaft is threaded through the furnace body Cavity in, there is installation cavity, several heating wire are provided on the inner wall of the installation cavity, the heating wire generates heat when being powered, The first rotating shaft is made of Heat Conduction Material；Second shaft is set in the first rotating shaft, and between the first rotating shaft Venting cavity is formed, several puff prots, the jet direction of the puff prot and the agitating shaft are provided on the venting cavity The mixing direction of mixing direction and the blade is not overlapped not parallel, the jet direction of the puff prot and the feed inlet Central axes form 30-50 degree angle, and agitating shaft is arranged on the outer wall of second shaft, towards the diameter of second shaft Extend to direction, and multiple along the distribution of the axial outer wall of second shaft；Blade is inclined at described stir to be multiple It mixes on axis, the distance between adjacent described blade is not more than 30mm；The puff prot is described between the adjacent agitating shaft The central axes of puff prot and the angle of the second shaft of water are less than the angle of the agitating shaft and the second shaft.

This drying device, when material is dried, material is added in the cavity of furnace body through feed inlet, meanwhile, second Shaft rotation drives the mixing component in the second shaft constantly to be stirred along the radial and axial of the second shaft to material, Mixing component includes the agitating shaft being arranged on the second shaft outer wall, and the radial direction of agitating shaft towards the second shaft extends, more A agitating shaft is distributed along the axial outer wall of the second shaft；And multiple blades, blade tilted set is on agitating shaft.Second Under shaft rotation, agitating shaft and blade are as the second shaft rotates, and multiple agitating shafts and blade are simultaneously in the axis of the second shaft Material is stirred to radial direction, and in whipping process, blade can comminuting matter, and material can be thrown to furnace body Cavity in so that material not only rolls in furnace body, additionally it is possible to be moved in furnace body cavity, increase hot gas in material and cavity The heat convection area of stream, to improve heat exchange efficiency.Also, several puff prots are provided on the venting cavity, the spray The jet direction of port is not overlapped not parallel with the mixing direction of the mixing direction of the agitating shaft and the blade；Described The airintake direction of one air inlet with the jet direction of the puff prot is not parallel is not overlapped, to increase the dimension of stirring, keep away Exempt from only to stir material in one direction, so that material is bonded together, influences the loosening degree of material；In addition, mixing component While stirring material, additionally it is possible to by crushing material, form the smaller material of particle, further increase material and hot gas pair The area for flowing heat exchange, improves the drying efficiency of material；After band material is dried, through being fallen on material-receiving device under discharge port, and by It is transported away.Also, above-mentioned drying device further includes connecting tube, and the venting cavity is connected by connecting tube and first gas outlet It connects, first gas outlet is not opened simultaneously with the puff prot, so that the intracorporal gas of furnace can be collected further It utilizes.In addition, the central axes of the jet direction of the puff prot and the feed inlet form 30-50 degree angle, that is, puff prot Central axes and the air inlet central axes formed 30-50 degree angle, this makes the material come in from feed inlet, can for spray The gas that port sprays carries out eddy flow overturning, improves stirring and drying effect.

In addition, first rotating shaft, is threaded through in the cavity of the furnace body, there is installation cavity, set on the inner wall of the installation cavity Several heating wire are equipped with, the heating wire generates heat when being powered, and the first rotating shaft is made of Heat Conduction Material, so as to utilize position It is heated in the heating wire in first rotating shaft for the gas in the venting cavity, so that heating and dry together as one, First rotating shaft is arranged inside the second shaft, space utilization rate is improved, so that mechanism is simple.

Meanwhile the puff prot, between the adjacent agitating shaft, the air-flow for spraying puff prot is to stirring Axis stirring less than material roll, stir and dry, the central axes of the puff prot and the angle of the second shaft of water are small In the angle of the agitating shaft and the second shaft, so that the puff prot plays auxiliary stirring, desiccation always, in turn The traffic direction of whole material is not interfered with, does not influence the effect that discharges.

2. sludge treating system provided by the invention, the central axes of the feed inlet and the central axes of second shaft are inclined Monoclinic phase is handed over, and is formed and is greater than 90 degree of angles less than 150 degree.So that sludge, which can pass through feed inlet, enters dry dress In the furnace body set.

3. sludge treating system provided by the invention, blade are removably set on agitating shaft, mixing component further includes lock Tight part, for blade to be locked at the required position on agitating shaft.Blade moves on agitating shaft, in adjustment blade and furnace body Gap between wall is driven down by blade with changing blade to material stirring and crushing effect and material, moves in furnace body State, so that it is determined that material meets the drying demand of different material in the furnace intracorporal residence time.

4. sludge treating system provided by the invention, multiple agitating shafts are distributed in multiple spaced circles of the second shaft On circumferential surface, at least one agitating shaft is distributed on each periphery of the second shaft.When the rotation of the second shaft, the second shaft band It moves the agitating shaft on multiple peripheries and blade thereon is stirred and crushes to material, be located on the second shaft axial direction Material can by the periphery of the second shaft of corresponding position agitating shaft and blade stir and crush, it is ensured that in furnace body Material can be stirred and be crushed by blade, and the effect for stirring and crushing is more evenly, improves the effect of dry materials.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the top view of the drying device provided in embodiment 1；

Fig. 2 is the structural schematic diagram of furnace body in the drying system provided in embodiment 1；

Fig. 3 is the right view of the furnace structure schematic diagram provided in Fig. 2；

Fig. 4 is the cooperation schematic diagram of first rotating shaft and the second shaft；

Fig. 5 is the arrangement schematic diagram for the sludge treating system that embodiment 1 provides.

Description of symbols in figure：1- furnace body；11- feed inlet；12- discharge port；The first air inlet of 13-；The first outlet of 14- Mouthful；3- material-receiving device；4- is to wind apparatus；The second shaft of 5-；6- agitating shaft；7- blade；8- locking member；9- dust-extraction unit；91- Two air inlets；92- third gas outlet；10- first pipe；15- air distribution device；16- second pipe；17- first rotating shaft；18- spray Port；19- heating wire.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.

Embodiment 1

As shown in figure 5, the present embodiment provides a kind of sludge treating systems, including

Transmitting device has two-stage transmission surface, and first order transmission surface 200 is located at the upper side of second level transmission surface 300, the It is connected between Primary Transmit face 200 and second level transmission surface 300 by transition apparatus 500, the transmitting device can be by solid-liquid Mixed sludge is transported to the tail end of first order transmission surface 200 from the head end of first order transmission surface 200, and leads by transition apparatus Enter to second level transmission surface 300, and is transported to the tail end of second level transmission surface from the head end of second level transmission surface 300；

Water removing structure, including the apopore 400 being arranged in each transmission surface, and in each transmission surface can Relative transport face changes the pressing plate 100 of height, and the pressing plate is used to squeeze the moisture in the sludge；

Furnace body 1, horizontally disposed, feed inlet 11, the discharge port 12 for being added, taking out with cavity, for material, into The tail end setting of the second level transmission surface of the corresponding drying device of material mouth 11, receives the sludge from second level transmission surface, such as Fig. 1 It is shown,

First rotating shaft is threaded through in the cavity of the furnace body 1, is had installation cavity, is provided on the inner wall of the installation cavity Several heating wire, the heating wire generate heat when being powered, and the first rotating shaft is made of Heat Conduction Material；

Second shaft 5, is set in the first rotating shaft, and venting cavity is formed between the first rotating shaft, described logical It is provided with several puff prots on air cavity, the mixing direction of the jet direction of the puff prot and the agitating shaft 6 and described The mixing direction of blade 7 is not overlapped not parallel, the central axes formation 30- of the jet direction of the puff prot and the feed inlet 11 50 degree of angles；

Agitating shaft 6 is arranged on the outer wall of second shaft 5, and the radial direction towards second shaft 5 extends, And it is distributed along the axial outer wall of second shaft 5 multiple；

Blade 7 is inclined on the agitating shaft 6, the distance between adjacent described blade 7 is not more than to be multiple 30mm；

The puff prot is between the adjacent agitating shaft 6, the central axes of the puff prot and the folder of the second shaft of water 5 Angle is less than the angle of the agitating shaft 6 and the second shaft 5.

Sludge is transferred to the second level from first order transportation surface and transported by sludge treating system provided by the invention, transmitting device On face, in the process, the pressing plate being arranged on each transportation surface squeezes sludge, squeezes out the moisture in sludge, water Drop from apopore be discharged, to sludge carry out preliminarily dried, then, the sludge after preliminarily dried enter in drying device carry out into One step is dry, which includes furnace body, has feed inlet, discharge port on furnace body；First rotating shaft is threaded through the furnace body In cavity, there is installation cavity, several heating wire are provided on the inner wall of the installation cavity, the heating wire generates heat when being powered, institute First rotating shaft is stated to be made of Heat Conduction Material；Second shaft is set in the first rotating shaft, and the shape between the first rotating shaft At venting cavity, several puff prots are provided on the venting cavity, the jet direction of the puff prot is stirred with the agitating shaft Mix direction and the blade mixing direction be not overlapped it is not parallel, in the jet direction of the puff prot and the feed inlet Axis forms 30-50 degree angle, and agitating shaft is arranged on the outer wall of second shaft, towards the radial direction of second shaft Direction extends, and multiple along the distribution of the axial outer wall of second shaft；Blade is inclined at the stirring to be multiple On axis, the distance between adjacent described blade is not more than 30mm；The puff prot is between the adjacent agitating shaft, the spray The central axes of port and the angle of the second shaft of water are less than the angle of the agitating shaft and the second shaft.

As preferred embodiment, the water outlet at the position that it connect with corresponding transportation surface of the pressing plate 100 The aperture in hole is greater than the aperture of the apopore far from the two junction, consequently facilitating uniformly draining.

As preferred embodiment, the central axes of the feed inlet 11 and the central axes of second shaft 5 tilt phase It hands over, is formed and be greater than 90 degree of angles less than 150 degree.So that sludge, which can pass through feed inlet, enters drying device In furnace body.

As further preferred embodiment, blade 7 be inclined at the angle on 6 outer wall of agitating shaft be greater than 0 ° and Less than or equal to 20 °.For example, blade 7, which is tilted 1 °, 3 °, 5 °, 7 °, 10 °, 12 °, 15 °, 20 ° etc., is equiangularly arranged in agitating shaft On 6, the blade 7 being inclined on agitating shaft 6 not only plays the role of stirring action, and there are also comminuting matters.Comprehensively consider material Stirring and pulverization are arranged on agitating shaft 6 it is further preferred that blade 7 is tilted 5 ° -10 °, and blade 7 is on agitating shaft 6 Inclined angle is usually no more than 20 °, otherwise can weaken blade 7 to the mixing effect of material.

As further preferred embodiment, blade 7 is removably set on agitating shaft 6, and mixing component further includes lock Tight part 8, for blade 7 to be locked at the required position on agitating shaft 6.Blade 7 moves on agitating shaft 6, adjustment blade 7 with Gap between 1 inner wall of furnace body, to change under blade 7 drives material stirring and crushing effect and material by blade 7, Motion state in furnace body 1, so that it is determined that residence time of the material in furnace body 1, meets the drying demand of different material.

For example, some material particles are smaller, agitating shaft 6 and blade 7 primarily serve stirring action in the drying process, can be with Spacing between 1 inner wall of blade 7 and furnace body is tuned up, so that material there are more spaces in furnace during being driven by blade 7 Movement and rolling, exchange heat with the hot gas in 1 cavity of furnace body in body 1.On the contrary, needing if some material particles are big in stirring Material is crushed simultaneously, to accelerate drying efficiency, reduces residence time of the material in furnace body 1, so that it may by blade 7 with Spacing between 1 inner wall of furnace body is turned down, the crushing effect of reinforced blade 7.

As more preferably preferred embodiment, when the radius of furnace body 1 is 30-40 centimetres, by the close furnace body 1 of blade 7 Spacing between 1 inner wall of edge and furnace body of inner wall side is set as 0.5-10 cm range, such as 0.5 centimetre, 1 centimetre, 2 lis Rice, 3 centimetres, 5 centimetres, 8 centimetres, 10 centimetres etc., so that forming reserved space between 1 inner wall of the edge of blade 7 and furnace body. More preferably range is 4-5 centimetres, still, must actually be determined according to parameters such as the performance of material itself, dry requirements.

It is removably set on the preferred embodiment on agitating shaft 6 as blade 7, blade 7 is plate, and agitating shaft 6 is along axis Line opens up sliding slot on direction, and blade 7 is inserted directly into sliding slot, slides at required position to blade 7, angle needed for tilting When, directly blade 7 is locked on agitating shaft 6 with locking member 8, such as nut or pin, plug-in unit.That is, blade 7 is tiltedly mounted on In the sliding slot of agitating shaft 6.As deformation, blade 7 can also be the plate with intermediate throughholes, and the outer wall of agitating shaft 6 has outer spiral shell Line, blade 7 are set on agitating shaft 6, and fixed with locking member 8, such as nut, pin etc..Further, it is also possible to using the prior art Middle others carriage or update device, move blade 7 on agitating shaft 6, and then fixed by locking member 8.

As preferred embodiment, multiple agitating shafts 6 are distributed in multiple spaced peripheries of the second shaft 5 On, at least one agitating shaft 6 is distributed on each periphery of the second shaft 5.When the rotation of the second shaft 5,5 band of the second shaft It moves the agitating shaft 6 on multiple peripheries and blade thereon 7 is stirred and crushes to material, be located at 5 axial direction side of the second shaft Upward material can by the periphery of the second shaft of corresponding position 5 agitating shaft 6 and blade 7 stir and crush, really Protecting material in furnace body 1 can be stirred and be crushed by blade 7, and the effect for stirring and crushing is more evenly, improves dry materials Effect.

Of agitating shaft 6 is set for the number of agitating shaft 6 is set on each periphery, on preferably each periphery Number is four, and four agitating shafts 6 are located at the quartering point of the periphery, so that the material at co-located place, It is continuously agitated and is crushed by four agitating shafts 6 on the periphery of corresponding section and the blade 7 on agitating shaft 6, between stirring Every time it is shorter, increase material and hot gas contact area, further improve the efficiency that material is dried.Each circumference 6 numbers of agitating shaft on face can also be five, six, seven, eight etc., most preferably, several are stirred in addition to four Axis 6 is evenly distributed at the Along ent of the periphery.

As further preferred embodiment, multiple agitating shafts 6 are distributed in multiple spaced circles of the second shaft 5 On circumferential surface, the spacing for being provided with adjacent two periphery of agitating shaft 6 is preferably 5-15 centimetres, such as 5 centimetres, 6 centimetres, 7 Centimetre, 7.5 centimetres, 8 centimetres, 10 centimetres, 12 centimetres, 15 centimetres etc..Optimal spacing is 7.5-10 centimetres.

As further preferred embodiment, the agitating shaft 6 on adjacent circumferential face is located on different vertical planes.This When, the material in adjacent position is stirred and is crushed by agitating shaft 6, the blade 7 on different vertical planes, adjacent material The direction being stirred is inconsistent, and the motion profile of adjacent material is also inconsistent, further such that material is in mixing in the cavity State will not be bonded together, and improve the loosening degree of material, it is easier to be carried out heat convection with hot gas, be further increased Heat exchange efficiency.

As more preferably preferred embodiment, agitating shaft 6 is four, and four agitating shafts 6 are separately positioned on the second shaft 5 On four peripheries, and four agitating shafts 6 are successively set on respectively in the top exterior walls in the Z-direction of the second shaft 5, Y-axis In bottom outer wall on rear portion outer wall on front outer wall on direction, in Y direction and in Z-direction.Agitating shaft 6 uses This arrangement mode, in 5 rotation process of the second shaft, two agitating shafts 6 in top exterior walls and bottom outer wall are to the second shaft 5 The torque of generation can be balanced mutually, and two agitating shafts 6 on adjacent front outer wall and rear portion outer wall generate the second shaft 5 Torque mutually balance so that the second shaft 5, agitating shaft 6 and blade 7 operate more stable, avoid the generation of the second shaft 5 Oscillation phenomenon improves the service life of drying oven.

As 6 several variant embodiments of agitating shaft, the number of agitating shaft 6 can also be 8,12,16 Etc. namely the quantity of agitating shaft 6 be 4n, wherein n >=1, every four agitating shafts 6 repeat above-mentioned arrangement mode and are arranged second On the outer wall of shaft 5.

Another variant embodiment several as agitating shaft 6, the number of agitating shaft 6 can also for 5,6,7, 8 etc., multiple agitating shafts 6 are separately positioned on the different peripheries of the second shaft 5, and from the radial direction of the second shaft 5, Multiple agitating shafts 6 are distributed on the radial circumference of the second shaft 5, are most preferably the Along ents positioned at 5 radial circumference of the second shaft Place, such as agitating shaft 6 are six, and six agitating shafts 6 are distributed on six peripheries, and from the radial direction of the second shaft 5, six A agitating shaft 6 is located just at six Along ents of the periphery of the second shaft 5, and material is stirred and is crushed multi-facetedly.

In above embodiment, the shape of blade 7 can be rectangular, trapezoidal, fan-shaped, the peach heart etc. other shapes, shape Shape is not especially limited, in addition, the surface of blade 7 can be smooth plane, is also possible to the song with certain radian transition Face or the surface of other moulding are ok.

As the variant embodiment of mixing component, mixing component can also include setting in the axial outer wall of the second shaft 5 On several connecting rods, and several fins in connecting rod, row of the fin in connecting rod are set around connecting rod outer wall Mode for cloth can be rotated similar to the arrangement mode of fan blade in the prior art, fin around the axis direction of connecting rod, And then to be stirred and crush to material.In addition, mixing component can also be that can be realized stirring and crushing in the prior art Other agitating devices or grinding device of material.

As preferred embodiment, further includes to wind apparatus 4, be hot-blast stove to wind apparatus 4, the gas outlet of hot-blast stove is logical Cross second pipe 16 and be connected to the first air inlet 13, the hot gas of hot-blast stove is delivered in the cavity of furnace body 1, make hot gas with Material carries out direct heat convection.As deformation, can also be to wind apparatus 4 in the prior art can be by hot gas through first Air inlet 13 is delivered to the device in the cavity of furnace body 1, for example, extraneous air is thermally formed the heat of required temperature by heater Hot wind is directly pumped into the cavity of furnace body 1 by blower by wind later.

It further include air distribution device 15 as further preferred embodiment, the gas outlet of air distribution device 15 is connected to Two pipelines 16 are mixed for introducing external air into second pipe 16 with the hot gas in second pipe 16.It is mainly at this time It prevents the hot gas temperature being delivered in 1 cavity of furnace body to wind apparatus 4 excessively high, shadow is generated to furnace body 1, agitating shaft 6 and blade 7 It rings, reduces the hot gas of excessive temperature by introducing extraneous cold air in second pipe 16, form the heat of required temperature Gas.

Preferably, air distribution device 15 may include blower, extraneous air is directly pumped into second by blower according to demand In pipeline 16；As long as in the prior art can by extraneous air delivery to second pipe 16 device or equipment all may be used With.Again, it is preferred to which being arranged one in air distribution device 15 is able to detect the volume content that outside air enters in second pipe 16 Detector, in time to enter second pipe 16 in gas flow test, convenient for whether needing to open air distribution device 15.

It further include dust-extraction unit 9 as more preferably preferred embodiment, dust-extraction unit 9 includes cyclone cylinder, and cyclone cylinder has Second air inlet 91, the second gas outlet and third gas outlet 92.Wherein, the second air inlet 91 is connected to the first gas outlet 14, Second gas outlet is in communication with the outside, and third gas outlet 92 is connected to by first pipe 10 with the cavity to wind apparatus 4, for that will remove Gas after dirt is mixed with to the hot gas in wind apparatus 4, the hot gas of moisture content needed for being formed.

Specifically, material in furnace body 1 by drying after, will be in furnace body 1 and after material-heat-exchanging through the second air inlet 91 Gas introduces in cyclone cylinder；Under the action of blower, gas is spinned the movement of rising in cyclone cylinder, in uphill process, The solid particle and liquid contained in gas is got rid of on the inner wall of cyclone cylinder, under the effect of gravity, solid particle With liquid deposition in the bottom of cyclone cylinder；And get rid of solid particle, liquid a part of gas through the second gas outlet directly arrange to Outside air, another part gas are then transported in the cavity to wind apparatus 4 through third gas outlet 92, with give 4 chamber of wind apparatus Intracorporal hot gas is mixed, so that the portion gas after dedusting is recycled, reduces heat required for heating hot gas Amount.

In addition, moisture content is generally in 20%-30% in gas after dedusting, and to the moisture content of hot gas in wind apparatus 4 Almost 0%, the dedusting gas that moisture content is 20%-30% is introduced in wind apparatus 4, is mixed with dry hot gas It closes, to form moisture content as the hot gas of 6%-15%, this hot gas is introduced into the efficiency and effect in furnace body 1 with material-heat-exchanging Fruit, than being more preferable with the efficiency and effect of material-heat-exchanging in 0% dry hot gas introducing furnace body 1 by moisture content.Because of hot gas Contain a small amount of moisture in body, in specific heat capacity of the specific heat capacity that identical environment is lauched greater than air, dry same amount of material, Heat required for water is smaller, to reduce the heat of dried material needs, improves drying efficiency, but aqueous in hot gas Rate is unsuitable excessively high, and excessively high rear heat exchange efficiency can decline instead, and then, the optimum moisture content of hot gas is controlled in 6%-15%.

It can also include charging gear 2, material-receiving device 3 as the embodiment of deformation.Wherein, charging gear 2 is preferably Batcher in the prior art, such as elevator, and the hopper being mounted on feed inlet 11, when with charging gear 2, institute The material for stating second level transportation surface is transferred directly to charging gear 2, and the feed opening of elevator is opposite or extend into hopper all It can be with.Material-receiving device 3 is preferably screw conveyor perhaps belt conveyor and chain transfer or directly in discharge port A discharging bin is arranged in 12 lower sections.

As the preferred of feed inlet 11, discharge port 12, the first air inlet 13 and the first gas outlet 14 opened up on furnace body 1 Embodiment feed inlet 11 is provided on the radial side wall of furnace body 1, discharge port 12 is provided with furnace as shown in Figures 2 and 3 For body 1 in the bottom outer wall in Z-direction, the first air inlet 13 is provided with the furnace body 1 at feed inlet 11 along Z-direction On top exterior walls on, the first gas outlet 14 is provided with furnace body 11 in the top exterior walls in Z-direction, and with discharge port 12 Position is opposite.

In short, when to dry materials, first according to performance of material, such as moisture content, particle size, degree of drying etc. Parameter, to adjust the spacing between 1 inner wall of blade 7 and furnace body, the angle and second that blade 7 is obliquely installed on agitating shaft 6 Spacing in shaft 5 between two neighboring periphery；And according to the amount of the hot gas in the amount of addition material, introducing furnace body 1, come Calculate material stops the degree of drying that how long can reach necessary requirement in furnace body 1, and can be by multiple Test, obtains the optimized parameter that each material is dried, to prepare the drying oven of relevant parameter and have the drying oven Drying system.

It is worth noting that also can be omitted the first air inlet in above embodiment of the invention, at this point, only passing through Puff prot air inlet.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims

1. a kind of sludge treating system, which is characterized in that including

Transmitting device, has two-stage transmission surface, and first order transmission surface is located at the upper side of second level transmission surface, first order transmission surface (200) it is connected between second level transmission surface (300) by transition apparatus (500), the transmitting device can mix solid-liquid Sludge the tail end of first order transmission surface is transported to from the head end of first order transmission surface, and imported into the second level by transition apparatus Transmission surface, and it is transported to from the head end of the second level transmission surface tail end of second level transmission surface；

Water removing structure, including the apopore (400) being arranged in each transmission surface, and in each transmission surface being capable of phase Change the pressing plate (100) of height to transmission surface, the pressing plate is used to squeeze the moisture in the sludge；

Drying device is arranged in the tail end of the second level transmission surface of the transmitting device, and is located at the second level transmission surface Side-lower is dried for receiving the sludge from second level transmission surface, and to the sludge；The drying device Including

Furnace body (1), horizontally disposed, feed inlet (11), the discharge port (12) for being added, taking out with cavity, for material, The tail end setting of the second level transmission surface of the corresponding drying device of feed inlet (11), receives the sludge from second level transmission surface；

First rotating shaft is threaded through in the cavity of the furnace body (1), has installation cavity, if being provided on the inner wall of the installation cavity Dry heating wire, the heating wire generate heat when being powered, and the first rotating shaft is made of Heat Conduction Material；

Second shaft (5), is set in the first rotating shaft, and venting cavity is formed between the first rotating shaft, the ventilation It is provided with several puff prots on chamber, the mixing direction of the jet direction of the puff prot and the agitating shaft (6) and described The mixing direction of blade (7) is not overlapped not parallel, and the jet direction of the puff prot and the axis of the feed inlet (11) are linear At 30-50 degree angle；

Agitating shaft (6) is arranged on the outer wall of second shaft (5), and the radial direction towards second shaft (5) is prolonged It stretches, and multiple along the distribution of the axial outer wall of second shaft (5)；

Blade (7) is inclined on the agitating shaft (6), the distance between adjacent described blade (7) is not more than to be multiple 30mm；

The puff prot is between the adjacent agitating shaft (6), the central axes of the puff prot and the folder of the second shaft of water (5) Angle is less than the angle of the agitating shaft (6) and the second shaft (5)；

The central axes of the feed inlet (11) are intersected with the inclination of the central axes of second shaft (5), are formed and are less than greater than 90 degree 150 degree of angle；

The blade (7) is removably set on the agitating shaft (6), and the mixing component further includes locking member (8), and being used for will The blade (7) is locked at the required position on the agitating shaft (6).

2. sludge treating system according to claim 1, it is characterised in that：Multiple agitating shafts (6) are distributed in described second On multiple spaced peripheries of shaft (5), at least one is distributed on each periphery of second shaft (5) and stirs Mix axis (6).

3. sludge treating system according to claim 2, it is characterised in that：Agitating shaft (6) on adjacent circumferential face is located at On different vertical planes.

4. sludge treating system according to claim 3, it is characterised in that：The agitating shaft (6) is at least four, four The agitating shaft (6) is separately positioned on four peripheries of second shaft (5), and four agitating shafts (6) are respectively Be successively set in the top exterior walls in the Z-direction of second shaft (5), on the front outer wall in Y direction, Y-axis side In bottom outer wall on upward rear portion outer wall and in Z-direction.

5. sludge treating system according to claim 4, it is characterised in that：The blade (7) is inclined at described stir The angle on axis (6) is mixed to be greater than 0 ° and be less than or equal to 20 °；The edge of close furnace body (1) inner wall side of the blade (7) with Spacing between furnace body (1) inner wall is 0.5-10 centimetres.

6. sludge treating system according to claim 5, it is characterised in that：Two neighboring agitating shaft (6) is along second turn Axial distance in axis (5) axial direction is not more than 500mm；Agitating shaft (6) is not less than 1000mm at a distance from the furnace interior.