CN105439416B

CN105439416B - Sludge treating system

Info

Publication number: CN105439416B
Application number: CN201610009711.4A
Authority: CN
Inventors: 王良源
Original assignee: 王良源
Current assignee: Huaian Zhongshun Environmental Protection Technology Co., Ltd.
Priority date: 2016-01-06
Filing date: 2016-01-06
Publication date: 2018-08-03
Anticipated expiration: 2036-01-06
Also published as: CN108821537A; CN108840540A; CN105439416A; CN108862986A

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, material-receiving device for collecting the material in furnace body after drying, wind apparatus, and the agitating device for being stirred and crushing to material will be given by the first air inlet in extraneous hot gas introducing furnace body.Agitating device includes the second shaft, it is threaded through in the cavity of the furnace body, second shaft has venting cavity, is provided with several puff prots on the venting cavity, the jet direction of the puff prot and the mixing direction of the mixing direction of the agitating shaft and the blade are misaligned not parallel；When to dry materials, hot gas is introduced through the first air inlet in furnace body cavity, and the rotation of the second shaft drives the mixing component in the second shaft constantly to be stirred to material along the radial and axial of the second shaft.

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.

Background technology

Sludge is the product in sewage disposal process, containing a large amount of organic matter, heavy metal and mould etc., if being not added with follow-up 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 the transmission shaft being arranged in furnace body, 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 heat convection is carried out 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, are carried out along same direction always Rolling, on the one hand can reduce the heat-transfer effect in later stage, and it is long that material is stirred interlude, cannot fully stir material It mixes；On the other hand, it for the larger material of some humidity, can cause to bond between material along same direction rolling, 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 material in furnace body 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 Drying system is complicated.

Invention content

Therefore, technical problem to be solved by the present invention lies in overcome drying system in Treatment of Sludge in the prior art to dry Efficiency is low, drying effect is bad and complicated defect, can improve drying efficiency to provide one kind, improve drying effect And sludge treating system simple in structure.

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

There is transmitting device two-stage transmission surface, first order transmission surface to be located above the side of second level transmission surface, and the first order passes It is connected by transition apparatus between the chances of losing games and second level transmission surface, 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 that is 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；

Drying device is arranged the tail end in the second level transmission surface of the transmitting device, and is transmitted positioned at the second level Processing is dried for receiving the sludge for coming from second level transmission surface, and to the sludge in the side-lower in face；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 transmitting device, receives the sludge for coming 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 jet direction of the puff prot and the mixing direction of the agitating shaft and the blade are provided on chamber Mixing direction it is misaligned 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 The axial outer wall distribution for second shaft is multiple；

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

For the puff prot between the adjacent agitating shaft, the central axes of the puff prot and the angle of the second shaft are small In the angle of the agitating shaft and the second shaft.

As preferred embodiment, the central axes of the feed inlet are tilted with the central axes of second shaft intersects, It is formed and is more than 90 degree of angles for being 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 more 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 stove 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, jet direction and the agitating shaft of the puff prot are provided on the venting cavity The mixing direction of mixing direction and the blade is misaligned not parallel, jet direction and the feed inlet of the puff prot Central axes form 30-50 degree angles, 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 multiple, is inclined at described stir 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 are less than the angle of the agitating shaft and the second shaft with the angle of the second shaft of water.

This drying device, when material is dried, material is added through feed inlet in the cavity of furnace body, meanwhile, second Shaft rotation drives the mixing component in the second shaft constantly to be stirred to material along the radial and axial of the second shaft, 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 gas port and the mixing direction of the mixing direction of the agitating shaft and the blade are misaligned not parallel；Described The airintake direction of one air inlet and the jet direction of the puff prot are not parallel misaligned, to increase the dimension of stirring, keep away Exempt from only to stir material in one direction so that material is bonded together, and 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, fall on material-receiving device through 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 gas in furnace body can be collected further It utilizes.In addition, the jet direction of the puff prot and the central axes of the feed inlet form 30-50 degree angles, that is, puff prot The central axes of central axes and the air inlet form 30-50 degree angles, this makes the material come in from feed inlet, can be spray The gas that gas 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 for the gas in the venting cavity in the heating wire in first rotating shaft, so that heating and dry together as one, First rotating shaft is arranged inside the second shaft, improves space availability ratio so that mechanism is simple.

Meanwhile the puff prot is between the adjacent agitating shaft so that the air-flow that puff prot sprays can be 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 more than 90 degree of angles for being 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 material stirring and crushing effect and material by blade with changing blade, is moved in furnace body State, so that it is determined that residence time of the material in furnace body, meets the drying demand of different material.

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 second shaft rotates, 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 crushed by blade, and the effect for stirring and crushing is evenly, improves the effect of dry materials.

Description of the drawings

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 are briefly described, it should be apparent that, in being 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, other drawings may also be obtained based on these drawings.

Fig. 1 is the vertical 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.

Reference sign in figure：1- furnace bodies；11- feed inlets；12- discharge ports；The first air inlets of 13-；The first outlets of 14- Mouthful；3- material-receiving devices；4- is to wind apparatus；The second shafts of 5-；6- agitating shafts；7- blades；8- locking members；9- dust-extraction units；91- Two air inlets；92- thirds gas outlet；10- first pipes；15- air distribution devices；16- second pipes；17- first rotating shafts；18- sprays Gas port；19- heating wire.

Specific implementation mode

Technical scheme 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 The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.

As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other 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

There is transmitting device two-stage transmission surface, first order transmission surface 200 to be located above the side of second level transmission surface 300, the It is connected by transition apparatus 500 between Primary Transmit face 200 and second level transmission surface 300, 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 is led 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 that is 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 Material mouth 11 corresponds to the tail end setting of the second level transmission surface of drying device, receives the sludge for coming 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 jet direction of the puff prot and the mixing direction of the agitating shaft 6 and described The mixing direction of blade 7 is misaligned not parallel, and the jet direction of the puff prot forms 30- with the central axes of 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 multiple, is inclined on the agitating shaft 6, the distance between adjacent described blade 7 is not more than 30mm；

The puff prot is between the adjacent agitating shaft 6, the folder of the central axes and the second shaft of water 5 of the puff prot 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 is discharged from apopore, carries out preliminarily dried to sludge, then, the sludge after preliminarily dried enters in drying device into traveling One step is dried, 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, the jet direction of the puff prot and stirring for the agitating shaft are provided on the venting cavity The mixing direction for mixing direction and the blade is misaligned not parallel, in the jet direction of the puff prot and the feed inlet Axis forms 30-50 degree angles, 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 multiple, is inclined at the stirring 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 gas port are less than the angle of the agitating shaft and the second shaft with the angle of the second shaft of water.

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 more 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 more than 90 degree of angles for being 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 more 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 that is inclined on agitating shaft 6 not only plays the role of stirring action and also has comminuting matter.Consider material Stirring and pulverization are arranged it is further preferred that blade 7 is tilted 5 ° -10 ° on agitating shaft 6, and blade 7 is on agitating shaft 6 Inclined angle is usually no more than 20 °, otherwise can weaken mixing effect of the blade 7 to 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 stove 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, if some material particles are big, need in stirring Material is crushed simultaneously, to accelerate drying efficiency, reduces residence time of the material in furnace body 1, so that it may with 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 ranges, 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. It more preferably ranging from 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, waits for that blade 7 slides at required position, tilts required angle 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, are used in combination locking member 8 to fix, such as nut, pin etc..Further, it is also possible to using the prior art Middle others carriage or update device, make blade 7 be moved 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 second shaft 5 rotates, 5 band of the second shaft It moves the agitating shaft 6 on multiple peripheries and blade 7 thereon 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 It protects material in furnace body 1 can be stirred and crushed by blade 7, and the effect for stirring and crushing is 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 that is provided with two adjacent peripheries of agitating shaft 6 is preferably 5-15 centimetres, for example, 5 centimetres, 6 centimetres, 7 Centimetre, 7.5 centimetres, 8 centimetres, 10 centimetres, 12 centimetres, 15 centimetres etc..Best 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 movement locus 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, top exterior walls are with two agitating shafts 6 in bottom outer wall to the second shaft 5 The torque of generation can be balanced mutually, and adjacent front outer wall generates the second shaft 5 with two agitating shafts 6 on the outer wall of rear portion 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 a variant embodiment of 6 numbers 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.

As another variant embodiment of 6 numbers of agitating shaft, the number of agitating shaft 6 can also be 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 the 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, can also be the song with certain radian transition Face or the surface of other moulding can.

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 for being arranged in connecting rod around connecting rod outer wall, row of the fin in connecting rod 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 realize 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 wind turbine by wind later.

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 wind turbine, extraneous air is directly pumped into second by wind turbine 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 the volume content that outside air enters in second pipe 16 can be detected by being arranged one in air distribution device 15 Detector, in time to enter second pipe 16 in gas flow test, convenient for whether need open air distribution device 15.

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, forms the hot gas of required moisture content.

Specifically, material in the furnace body 1 by drying after, through the second air inlet 91, will in furnace body 1 with after material-heat-exchanging Gas introduces in cyclone cylinder；Under the action of wind turbine, 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 internal face 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 to through third gas outlet 92 in the cavity to wind apparatus 4, and give wind apparatus 4 chamber Internal hot gas is mixed so that the portion gas after dedusting is recycled, and reduces the heating required heat of 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, it is interior more preferable with the efficiency and effect of material-heat-exchanging than the dry hot gas introducing furnace body 1 for being 0% by moisture content.Because of hot gas Containing a small amount of moisture in body, the specific heat capacity of water is more than the specific heat capacity of air under identical environment, when drying same amount of material, The required heat smaller of water improves drying efficiency to reduce the heat of dried material needs, 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%.

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 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 either 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 opened on the radial side wall of furnace body 1, discharge port 12 is opened in stove as shown in Figures 2 and 3 For body 1 in the bottom outer wall in Z-direction, the first air inlet 13 is opened in the furnace body 1 at feed inlet 11 along Z-direction On top exterior walls on, the first gas outlet 14 is opened in 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 Experiment, 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 in the above embodiment of the invention, the first air inlet can also be omitted, 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 there is two-stage transmission surface, first order transmission surface to be located above the side of second level transmission surface, first order transmission surface (200) it is connected by transition apparatus (500) between second level transmission surface (300), 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) that is 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；

The tail end in the second level transmission surface of the transmitting device is arranged in drying device, and positioned at the second level transmission surface Processing is dried for receiving the sludge for coming from second level transmission surface, and to the sludge in side-lower；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 transmitting device of feed inlet (11), receives the sludge for coming 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 jet direction of the puff prot and the mixing direction of agitating shaft (6) and blade (7) Mixing direction is misaligned not parallel, and the jet direction of the puff prot forms 30-50 degree with the central axes of the feed inlet (11) 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 multiple, is inclined on the agitating shaft (6), the distance between adjacent described blade (7) is not more than 30mm；

The puff prot is between the adjacent agitating shaft (6), the angle of the central axes of the puff prot and the second shaft (5) Less than the angle of the agitating shaft (6) and the second shaft (5).

2. sludge treating system according to claim 1, it is characterised in that：The central axes of the feed inlet (11) with it is described The central axes of second shaft (5) tilt intersection, are formed and are more than 90 degree of angles for being less than 150 degree.

3. 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 stir is distributed on each periphery of second shaft (5) Mix axis (6).

4. sludge treating system according to claim 2, 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 2, it is characterised in that：The blade (7) is inclined at described stir The angle on axis (6) is mixed to be more 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.