CN105439416A - Sludge treatment system - Google Patents
Sludge treatment system Download PDFInfo
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- CN105439416A CN105439416A CN201610009711.4A CN201610009711A CN105439416A CN 105439416 A CN105439416 A CN 105439416A CN 201610009711 A CN201610009711 A CN 201610009711A CN 105439416 A CN105439416 A CN 105439416A
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- rotating shaft
- stir
- shaft
- blade
- transmission face
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/16—Treatment of sludge; Devices therefor by de-watering, drying or thickening using drying or composting beds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Abstract
The invention relates to a sludge treatment system, comprising a conveying device, a dewatering structure and a drying device; the drying device comprises a furnace body, a charging device for charging materials into the furnace body, a collecting device for collecting dried materials in the furnace body, an air feeder introducing external air into the furnace body by a first air inlet and a stirring device for stirring and crushing the materials. The stirring device comprises a second rotary shaft which is arranged in a cavity of the furnace body in a penetrating manner, and the second rotary shaft has a venting cavity; the venting cavity is provided with a plurality of air jet holes; an air jet direction of the air jet holes is not coincided and is not parallel with a stirring direction of the stirring shaft and a stirring direction of a blade; when the materials are dried, hot air is introduced into the cavity of the furnace body by the first air inlet, and the second rotary shaft rotates to drive a stirring assembly on the second rotary shaft to continuously stir the materials along a radial direction and an axial direction of the second rotary shaft.
Description
Technical field
The present invention relates to technical field of sludge treatment, be specifically related to a kind of sludge treating system.
Background technology
Mud is the product in sewage treatment process, containing a large amount of organism, heavy metal and mould etc., if do not add follow-up process can cause severe contamination to environment, therefore, often to carry out concentrated and processed to mud, but the moisture percentage in sewage sludge after this process, usually more than 70%, also needs to carry out drying treatment further to mud.
To the dehumidification system that drying sludge adopts in prior art, its structure is dehumidification system disclosed in Chinese patent literature CN201058838Y mostly, comprises body of heater, the feeding machine be connected with the opening for feed of body of heater, the spray column be connected with the air outlet of body of heater.Wherein, body of heater comprises the transmission shaft be arranged in body of heater, is arranged on some hollow blades of also radial extension on transmission shaft outer wall, by passing into high-temperature gas to hollow blade and furnace body outer wall heating in transmission shaft, makes formation hot environment in body of heater.This dehumidification system is in dry materials process, material is in the cavity of inboard wall of furnace body, transmission shaft and blade outer wall formation, under the rotation of transmission shaft, blade stirs material along the direction of drive axis, material is stirred in cavity, and and carries out convective heat exchange between blade outer wall, transmission shaft outer wall and inboard wall of furnace body.
But, above-mentioned dehumidification system, material is transmitted the unidirectional blade stirring of axle all the time, rolls along same direction, and can reduce the heat-transfer effect in later stage on the one hand, it is long that material is stirred interlude, can not fully to material stirring; On the other hand, for the material that some humidity are larger, can cause between material along the rolling of same direction and bond, affect the shatter value of material, be unfavorable for convective heat exchange, cause heat exchange efficiency low, drying effect is bad.
In addition, in prior art, when utilizing gas to carry out drying to the material in body of heater, often need to heat gas at the outer setting heating unit of body of heater, and then the gas after heating is passed into furnace interior, this causes whole dehumidification system complex structure.
Summary of the invention
Therefore, technical problem to be solved by this invention to be to overcome in prior art that in sludge treatment, dehumidification system drying efficiency is low, drying effect is bad and baroque defect, thus provides one can improve drying efficiency, improve drying effect and the simple sludge treating system of structure.
For this reason, the invention provides a kind of sludge treating system, comprise
Transmitting device, there is two-stage transmission face, first step transmission face is positioned at above the side in transmission face, the second stage, connected by transition apparatus between first step transmission face and transmission face, the second stage, the mud that solid-liquid can mix by described transmitting device is transported to the tail end in first step transmission face from the head end in first step transmission face, and import to transmission face, the second stage through transition apparatus, and be transported to the tail end in transmission face, the second stage from the head end in transmission face, the second stage;
Water removing structure, comprises the posticum be arranged on each transmission face, and be positioned on each transmission face can relative transport face change height pressing plate, described pressing plate is for squeezing the moisture in described mud;
Drying installation, is arranged on the tail end in the transmission face, the second stage of described transmitting device, and is positioned at the side-lower in transmission face, the described second stage, for receiving the mud coming from transmission face, the second stage, and carries out drying treatment to described mud; Described drying installation comprises
Body of heater, is arranged in the horizontal direction, the opening for feed, the discharge port that have cavity, add, take out for material, and the tail end in the transmission face, the second stage of the corresponding drying installation of its opening for feed is arranged, and receives the mud coming from transmission face, the second stage;
First rotating shaft, is located in the cavity of described body of heater, has installation cavity, and the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, and described first rotating shaft is that thermally conductive material is made;
Second rotating shaft, be set in described first rotating shaft, and and form venting cavity between described first rotating shaft, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of the mixing direction of described stir shaft and described blade, and the jet direction of described tuyere and the axis of described opening for feed form 30-50 degree angle;
Stir shaft, is arranged on the outer wall of described second rotating shaft, and the radial direction towards described second rotating shaft extends, and multiple along the axial outer wall distribution of described second rotating shaft;
Blade, for multiple, be inclined on described stir shaft, the distance between adjacent described blade is not more than 30mm;
Described tuyere is between adjacent described stir shaft, and the axis of described tuyere and the angle of water second rotating shaft are less than the angle of described stir shaft and the second rotating shaft.
As preferred embodiment, the axis of described opening for feed tilts crossing with the axis of described second rotating shaft, is formed and is greater than the angle that 90 degree are less than 150 degree.
As preferred embodiment, described blade is removably set on described stir shaft, and described mixing component also comprises locking piece, for described blade lock being fixed on the desired location place on described stir shaft.
As preferred embodiment, multiple stir shaft is distributed on the multiple spaced periphery of described second rotating shaft, and each periphery of described second rotating shaft is distributed with at least one stir shaft.
As preferred embodiment, the stir shaft on adjacent circumferential face is positioned on different vertical planes.
As preferred embodiment, described stir shaft is at least four, four described stir shafts are separately positioned on four peripheries of described second rotating shaft, and in bottom outer wall on rear portion outer wall on anterior outer wall in four described stir shafts are successively set in the Z-direction of described second rotating shaft respectively top exterior walls, in Y direction, in Y direction and in Z-direction.
The described blade lean angle be arranged on described stir shaft is greater than 0 ° and is less than or equal to 20 °; Spacing between the edge of the close inboard wall of furnace body side of described blade and described inboard wall of furnace body is 0.5-10 centimetre.
Adjacent two stir shafts are not more than 500mm along the second rotating shaft axial distance axially; The distance of stir shaft and described furnace interior is not less than 1000mm.
Technical scheme provided by the invention, tool has the following advantages:
1. sludge treating system provided by the invention, mud is transferred to the transportation surface of the second stage from first step transportation surface by transmitting device, in the process, the pressing plate be arranged on each transportation surface squeezes mud, squeezes out the moisture in mud, water droplet is discharged from posticum, carry out preliminarily dried to mud, then, the mud after preliminarily dried enters into drying installation and carries out further drying, this drying installation comprises body of heater, body of heater has opening for feed, discharge port; First rotating shaft, is located in the cavity of described body of heater, has installation cavity, and the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, and described first rotating shaft is that thermally conductive material is made; Second rotating shaft, be set in described first rotating shaft, and and form venting cavity between described first rotating shaft, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of the mixing direction of described stir shaft and described blade, the jet direction of described tuyere and the axis of described opening for feed form 30-50 degree angle, stir shaft, be arranged on the outer wall of described second rotating shaft, radial direction towards described second rotating shaft extends, and multiple along the axial outer wall distribution of described second rotating shaft; Blade, for multiple, be inclined on described stir shaft, the distance between adjacent described blade is not more than 30mm; Described tuyere is between adjacent described stir shaft, and the axis of described tuyere and the angle of water second rotating shaft are less than the angle of described stir shaft and the second rotating shaft.
This drying installation, when carrying out drying to material, material adds in the cavity of body of heater through opening for feed, simultaneously, second axis of rotation drives the mixing component in the second rotating shaft constantly stirring along the radial and axial of the second rotating shaft material, mixing component comprises the stir shaft be arranged on the second rotating shaft outer wall, and stir shaft extends towards the radial direction of the second rotating shaft, and multiple stir shaft is along the axial outer wall distribution of the second rotating shaft; And multiple blade, blade lean is arranged on stir shaft.Under the second axis of rotation, stir shaft and blade are all along with the second axis of rotation, multiple stir shaft and blade stir material in the axis of the second rotating shaft and radial direction simultaneously, and in whipping process, blade can comminuting matter, and can throw in the cavity of body of heater by material, material is not only rolled in body of heater, can also move in body of heater cavity, increase the convective heat exchange area of hot gas flow in material and cavity, thus improve heat exchange efficiency.Further, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of the mixing direction of described stir shaft and described blade; The airintake direction of described first inlet mouth does not overlap with the jet direction of described tuyere is not parallel, thus adds the dimension of stirring, avoids only stirring material in one direction, material is bonded together, affects the loosening degree of material; In addition, mixing component, while stirring material, by crushing material, can also form the material that particle is less, increase the area of material and hot gas convective heat exchange further, improve the drying efficiency of material; After band material is dried, drops on material receiving apparatus under discharge port, and be transferred away.Further, above-mentioned drying installation also comprises pipe connecting, and described venting cavity is connected with described first air outlet by pipe connecting, opens when described first air outlet is different from described tuyere, thus makes the gas in body of heater can by further Collection utilization.In addition, the jet direction of described tuyere and the axis of described opening for feed form 30-50 degree angle, also be, the axis of tuyere and the axis of described inlet mouth form 30-50 degree angle, this makes the material of coming in from opening for feed, eddy flow upset can be carried out for the gas of tuyere ejection, improve and stir and drying effect.
In addition, first rotating shaft, is located in the cavity of described body of heater, has installation cavity, the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, described first rotating shaft is that thermally conductive material is made, thus the nichrome wire being positioned at the first rotating shaft can be utilized to be the gas heating being positioned at described venting cavity, thus heating and drying are integrated, it is inner that first rotating shaft is arranged on the second rotating shaft, improves space availability ratio, make mechanism simple.
Simultaneously, described tuyere is between adjacent described stir shaft, the air-flow that tuyere is sprayed can to stir shaft stir less than material roll, stir and drying, the axis of described tuyere and the angle of water second rotating shaft are less than the angle of described stir shaft and the second rotating shaft, thus make described tuyere play auxiliary stirring, desiccation all the time, and then the traffic direction of overall material can not be had influence on, do not affect discharging effect.
2. sludge treating system provided by the invention, the axis of described opening for feed tilts crossing with the axis of described second rotating shaft, is formed and is greater than the angle that 90 degree are less than 150 degree.Thus mud can be entered in the body of heater of drying installation by opening for feed smoothly.
3. sludge treating system provided by the invention, blade is removably set on stir shaft, and mixing component also comprises locking piece, for blade lock being fixed on the desired location place on stir shaft.Blade moves on stir shaft, and the gap between adjustment blade and inboard wall of furnace body, to change blade to material stirring and crushing effect, and material is driven down by blade, kinestate in body of heater, thus determine the residence time of material in body of heater, meet the dry demand of different material.
4. sludge treating system provided by the invention, multiple stir shaft is distributed on the multiple spaced periphery of the second rotating shaft, and each periphery of the second rotating shaft is distributed with at least one stir shaft.When the second axis of rotation, second rotating shaft drive the stir shaft on multiple periphery and on blade material is stirred and pulverizes, the material be positioned on the second rotating shaft axial direction due can both be stirred by the stir shaft on the periphery of corresponding position second rotating shaft and blade and pulverize, guarantee that in body of heater, material all can be stirred by blade and pulverize, and stir and pulverize effect evenly, improve the effect of dry materials.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The vertical view of drying installation of Fig. 1 for providing in embodiment 1;
Fig. 2 is the structural representation of body of heater in the dehumidification system that provides in embodiment 1;
The right view of furnace binding schematic diagram of Fig. 3 for providing in Fig. 2;
Fig. 4 is the cooperation schematic diagram of the first rotating shaft and the second rotating shaft;
Fig. 5 is the layout schematic diagram of the sludge treating system that embodiment 1 provides.
Description of reference numerals in figure: 1-body of heater; 11-opening for feed; 12-discharge port; 13-first inlet mouth; 14-first air outlet; 3-material receiving apparatus; 4-is to wind apparatus; 5-second rotating shaft; 6-stir shaft; 7-blade; 8-locking piece; 9-cleaning apparatus; 91-second inlet mouth; 92-the 3rd air outlet; 10-first pipeline; 15-air distribution device; 16-second pipe; 17-first rotating shaft; 18-tuyere; 19-nichrome wire.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In addition, if below in the described different embodiment of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
As shown in Figure 5, the present embodiment provides a kind of sludge treating system, comprises
Transmitting device, there is two-stage transmission face, first step transmission face 200 is positioned at above the side in transmission face, the second stage 300, connected by transition apparatus 500 between first step transmission face 200 and transmission face, the second stage 300, the mud that solid-liquid can mix by described transmitting device is transported to the tail end in first step transmission face 200 from the head end in first step transmission face 200, and import to transmission face, the second stage 300 through transition apparatus, and be transported to the tail end in transmission face, the second stage from the head end in transmission face, the second stage 300;
Water removing structure, comprises the posticum 400 be arranged on each transmission face, and be positioned on each transmission face can relative transport face change height pressing plate 100, described pressing plate is for squeezing the moisture in described mud;
Drying installation, is arranged on the tail end in the transmission face, the second stage of described transmitting device, and is positioned at the side-lower in transmission face, the described second stage, for receiving the mud coming from transmission face, the second stage, and carries out drying treatment to described mud; Described drying installation comprises
Body of heater 1, is arranged in the horizontal direction, the opening for feed 11, the discharge port 12 that have cavity, add, take out for material, and the tail end in the transmission face, the second stage of the corresponding drying installation of its opening for feed 11 is arranged, and receives the mud coming from transmission face, the second stage, as shown in Figure 1,
First rotating shaft, is located in the cavity of described body of heater 1, has installation cavity, the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, and described first rotating shaft is that thermally conductive material is made;
Second rotating shaft 5, be set in described first rotating shaft, and and form venting cavity between described first rotating shaft, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of described stir shaft 6 and the mixing direction of described blade 7, and the jet direction of described tuyere and the axis of described opening for feed 11 form 30-50 degree angle;
Stir shaft 6, is arranged on the outer wall of described second rotating shaft 5, and the radial direction towards described second rotating shaft 5 extends, and multiple along the axial outer wall distribution of described second rotating shaft 5;
Blade 7, for multiple, be inclined on described stir shaft 6, the distance between adjacent described blade 7 is not more than 30mm;
Described tuyere is between adjacent described stir shaft 6, and the axis of described tuyere and the angle of water second rotating shaft 5 are less than the angle of described stir shaft 6 and the second rotating shaft 5.
Sludge treating system provided by the invention, mud is transferred to the transportation surface of the second stage from first step transportation surface by transmitting device, in the process, the pressing plate be arranged on each transportation surface squeezes mud, squeezes out the moisture in mud, water droplet is discharged from posticum, carry out preliminarily dried to mud, then, the mud after preliminarily dried enters into drying installation and carries out further drying, this drying installation comprises body of heater, body of heater has opening for feed, discharge port; First rotating shaft, is located in the cavity of described body of heater, has installation cavity, and the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, and described first rotating shaft is that thermally conductive material is made; Second rotating shaft, be set in described first rotating shaft, and and form venting cavity between described first rotating shaft, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of the mixing direction of described stir shaft and described blade, the jet direction of described tuyere and the axis of described opening for feed form 30-50 degree angle, stir shaft, be arranged on the outer wall of described second rotating shaft, radial direction towards described second rotating shaft extends, and multiple along the axial outer wall distribution of described second rotating shaft; Blade, for multiple, be inclined on described stir shaft, the distance between adjacent described blade is not more than 30mm; Described tuyere is between adjacent described stir shaft, and the axis of described tuyere and the angle of water second rotating shaft are less than the angle of described stir shaft and the second rotating shaft.
This drying installation, when carrying out drying to material, material adds in the cavity of body of heater through opening for feed, simultaneously, second axis of rotation drives the mixing component in the second rotating shaft constantly stirring along the radial and axial of the second rotating shaft material, mixing component comprises the stir shaft be arranged on the second rotating shaft outer wall, and stir shaft extends towards the radial direction of the second rotating shaft, and multiple stir shaft is along the axial outer wall distribution of the second rotating shaft; And multiple blade, blade lean is arranged on stir shaft.Under the second axis of rotation, stir shaft and blade are all along with the second axis of rotation, multiple stir shaft and blade stir material in the axis of the second rotating shaft and radial direction simultaneously, and in whipping process, blade can comminuting matter, and can throw in the cavity of body of heater by material, material is not only rolled in body of heater, can also move in body of heater cavity, increase the convective heat exchange area of hot gas flow in material and cavity, thus improve heat exchange efficiency.Further, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of the mixing direction of described stir shaft and described blade; The airintake direction of described first inlet mouth does not overlap with the jet direction of described tuyere is not parallel, thus adds the dimension of stirring, avoids only stirring material in one direction, material is bonded together, affects the loosening degree of material; In addition, mixing component, while stirring material, by crushing material, can also form the material that particle is less, increase the area of material and hot gas convective heat exchange further, improve the drying efficiency of material; After band material is dried, drops on material receiving apparatus under discharge port, and be transferred away.Further, above-mentioned drying installation also comprises pipe connecting, and described venting cavity is connected with described first air outlet by pipe connecting, opens when described first air outlet is different from described tuyere, thus makes the gas in body of heater can by further Collection utilization.In addition, the jet direction of described tuyere and the axis of described opening for feed form 30-50 degree angle, also be, the axis of tuyere and the axis of described inlet mouth form 30-50 degree angle, this makes the material of coming in from opening for feed, eddy flow upset can be carried out for the gas of tuyere ejection, improve and stir and drying effect.
In addition, first rotating shaft, is located in the cavity of described body of heater, has installation cavity, the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, described first rotating shaft is that thermally conductive material is made, thus the nichrome wire being positioned at the first rotating shaft can be utilized to be the gas heating being positioned at described venting cavity, thus heating and drying are integrated, it is inner that first rotating shaft is arranged on the second rotating shaft, improves space availability ratio, make mechanism simple.
Simultaneously, described tuyere is between adjacent described stir shaft, the air-flow that tuyere is sprayed can to stir shaft stir less than material roll, stir and drying, the axis of described tuyere and the angle of water second rotating shaft are less than the angle of described stir shaft and the second rotating shaft, thus make described tuyere play auxiliary stirring, desiccation all the time, and then the traffic direction of overall material can not be had influence on, do not affect discharging effect.
As preferred embodiment, the aperture of the posticum near its position be connected with corresponding transportation surface of described pressing plate 100 is greater than the aperture of the posticum away from both junctions, thus is convenient to even draining.
As preferred embodiment, the axis of described opening for feed 11 tilts crossing with the axis of described second rotating shaft 5, is formed and is greater than the angle that 90 degree are less than 150 degree.Thus mud can be entered in the body of heater of drying installation by opening for feed smoothly.
As further preferred embodiment, blade 7 is inclined at angle on stir shaft 6 outer wall for being greater than 0 ° and being less than or equal to 20 °.Such as, tilted by blade 71 °, 3 °, 5 °, 7 °, 10 °, 12 °, 15 °, 20 ° etc. and be equiangularly arranged on stir shaft 6, the blade 7 be inclined on stir shaft 6 not only has stirring action to also have the effect of comminuting matter.Consider stirring and the porphyrization of material, further preferably, tilted by blade 75 °-10 ° and be arranged on stir shaft 6, blade 7 is generally no more than 20 ° in the angle of stir shaft 6 surface thereof, otherwise can weaken the mixing effect of blade 7 pairs of materials.
As further preferred embodiment, blade 7 is removably set on stir shaft 6, and mixing component also comprises locking piece 8, for blade 7 being locked in the desired location place on stir shaft 6.Blade 7 moves on stir shaft 6, gap between adjustment blade 7 and body of heater 1 inwall, to change blade 7 pairs of material stirrings and crushing effect, and material is driven down by blade 7, kinestate in body of heater 1, thus determine the residence time of material in body of heater 1, meet the dry demand of different material.
Such as, some material particles is less, in drying process, stir shaft 6 and blade 7 mainly play stirring action, spacing between blade 7 and body of heater 1 inwall can be tuned up, make material by blade 7 drive process, more space is had to move in body of heater 1 and roll, with the hot gas heat exchange in body of heater 1 cavity.On the contrary, if some material particles is large, needs to pulverize material while stirring, accelerate drying efficiency, reduce the residence time of material in body of heater 1, just the spacing between blade 7 and body of heater 1 inwall can be turned down, the crushing effect of reinforced blade 7.
As more preferred embodiment good, when the radius of body of heater 1 is 30-40 centimetre, spacing between the edge of the close body of heater 1 inwall side of blade 7 and body of heater 1 inwall is set to 0.5-10 cm range, such as 0.5 centimetre, 1 centimetre, 2 centimetres, 3 centimetres, 5 centimetres, 8 centimetres, 10 centimetres etc., to make to form reserving space between the edge of blade 7 and body of heater 1 inwall.More preferred scope is 4-5 centimetre, but, actually must to determine according to parameters such as the performance of material itself, dry requirements.
The preferred implementation on stir shaft 6 is removably set on as blade 7, blade 7 is plate, stir shaft 6 in the axial direction on offer chute, blade 7 is directly inserted in chute, treat that blade 7 slides into desired location place, during the required angle that tilts, directly with locking piece 8, blade 7 is locked on stir shaft 6, such as nut or pin, plug-in unit.Also namely, blade 7 is inclined and mounted in the chute of stir shaft 6.As distortion, blade 7 can also for having the plate of intermediate throughholes, and the outer wall of stir shaft 6 has outside screw, and blade 7 is set on stir shaft 6, and fix with locking piece 8, such as nut, pin etc.In addition, other carriage or update device can also to be adopted in prior art, blade 7 is moved on stir shaft 6, and then the part 8 that is locked is fixed.
As preferred embodiment, multiple stir shaft 6 is distributed on the multiple spaced periphery of the second rotating shaft 5, each periphery of the second rotating shaft 5 is distributed with at least one stir shaft 6.When the second rotating shaft 5 is rotated, second rotating shaft 5 drive the stir shaft 6 on multiple periphery and on blade 7 pairs of materials stir and pulverize, the material be positioned on the second rotating shaft 5 axial direction due can both be stirred by the stir shaft 6 on the periphery of corresponding position second rotating shaft 5 and blade 7 and pulverize, guarantee that in body of heater 1, material all can be stirred by blade 7 and pulverize, and stir and pulverize effect evenly, improve the effect of dry materials.
For each periphery being arranged the number of stir shaft 6, the number preferred each periphery being arranged stir shaft 6 is four, four stir shafts 6 lay respectively at the fourth class branch place of this periphery, to make the material being positioned at same position place, ceaselessly stirred by the blade 7 on the stir shaft of four on the periphery of corresponding section 6 and stir shaft 6 and pulverize, stir interlude shorter, increase the contact area of material and hot gas, improve the dried efficiency of material further.Stir shaft 6 number on each periphery, except four, can also be five, six, seven, eight etc., best, several stir shafts 6 is evenly distributed on the Along ent place of this periphery.
As further preferred embodiment, multiple stir shaft 6 is distributed on the multiple spaced periphery of the second rotating shaft 5, the spacing being provided with two adjacent peripheries of stir shaft 6 is preferably 5-15 centimetre, such as 5 centimetres, 6 centimetres, 7 centimetres, 7.5 centimetres, 8 centimetres, 10 centimetres, 12 centimetres, 15 centimetres etc.Best spacing is 7.5-10 centimetre.
As further preferred embodiment, the stir shaft 6 on adjacent circumferential face is positioned on different vertical planes.Now, the material being in adjacent position is undertaken stirring and pulverizing by the stir shaft 6 on different vertical plane, blade 7, the direction that adjacent material is stirred is inconsistent, the movement locus of adjacent material is also inconsistent, make material be in admixture further in cavity, can not be bonded together, improve the loosening degree of material, easier and hot gas carries out convective heat exchange, improves heat exchange efficiency further.
As more preferred embodiment good, stir shaft 6 is four, four stir shafts 6 are separately positioned on four peripheries of the second rotating shaft 5, and in bottom outer wall on rear portion outer wall on anterior outer wall in four stir shafts 6 are successively set in the Z-direction of the second rotating shaft 5 respectively top exterior walls, in Y direction, in Y direction and in Z-direction.Stir shaft 6 adopts this arrangement mode, in the second rotating shaft 5 rotation process, two stir shafts 6 in top exterior walls and bottom outer wall can balance mutually to the moment that the second rotating shaft 5 produces, two stir shafts 6 on adjacent anterior outer wall and rear portion outer wall balance mutually to the moment that the second rotating shaft 5 produces, what the second rotating shaft 5, stir shaft 6 and blade 7 were operated is more steady, avoid the second rotating shaft 5 to vibrate, improve the work-ing life of drying oven.
As a variant embodiment of stir shaft 6 number, the number of stir shaft 6 can also be 8,12,16 etc., also namely the quantity of stir shaft 6 is 4n, wherein n >=1, and every four stir shafts 6 repeat above-mentioned arrangement mode and are arranged on the outer wall of the second rotating shaft 5.
As another variant embodiment of stir shaft 6 number, the number of stir shaft 6 can also be 5, 6, 7, 8 etc., multiple stir shaft 6 is separately positioned on the different peripheries of the second rotating shaft 5, and observe from the radial direction of the second rotating shaft 5, multiple stir shaft 6 is distributed on the radial circumference of the second rotating shaft 5, the Along ent place being positioned at the second rotating shaft 5 radial circumference best, such as stir shaft 6 is six, six stir shafts 6 are distributed on six peripheries, and observe from the radial direction of the second rotating shaft 5, six stir shafts 6 are just positioned at six Along ent places of the periphery of the second rotating shaft 5, material stirred multi-facetedly and pulverize.
In above-mentioned embodiment, the shape of blade 7 can be square, trapezoidal, fan-shaped, the peach heart etc. other shapes, and its shape does not do concrete restriction, in addition, the surface of blade 7 can be smooth plane, also can be the curved surface with certain radian transition, or the surface of other moulding can.
As the variant embodiment of mixing component, mixing component can also comprise the some union levers be arranged on the axial outer wall of the second rotating shaft 5, and the some fins be arranged on around union lever outer wall on union lever, the arrangement mode of fin on union lever can the arrangement mode of similar prior art fan blade, fin can rotate around the axis direction of union lever, and then stirs material and pulverize.In addition, mixing component can also for realizing other whipping apptss or the shredding unit of stirring and comminuting matter in prior art.
As preferred embodiment, also comprising to wind apparatus 4, is hotblast stove to wind apparatus 4, and the air outlet of hotblast stove is connected to the first inlet mouth 13 by second pipe 16, the hot gas of hotblast stove is delivered in the cavity of body of heater 1, makes hot gas and material carry out direct convective heat exchange.As distortion, can also for hot gas can be delivered to the device in the cavity of body of heater 1 in prior art through the first inlet mouth 13 to wind apparatus 4, such as, the air heating in the external world is formed temperature required hot blast by well heater, afterwards by blower fan by the cavity of direct for hot blast suction body of heater 1.
As further preferred embodiment, also comprise air distribution device 15, the air outlet of air distribution device 15 is connected to second pipe 16, for being introduced by outside air in second pipe 16, mixes with the hot gas in second pipe 16.Now mainly prevent the hot gas temperature that is delivered in body of heater 1 cavity to wind apparatus 4 too high, body of heater 1, stir shaft 6 and blade 7 are had an impact, by introducing the hot gas that extraneous freezing air reduces excessive temperature in second pipe 16, form temperature required hot gas.
As preferably, air distribution device 15 can comprise blower fan, and blower fan is by direct for the air in external world suction second pipe 16 according to demand; As long as or the device that the air in the external world can be delivered in prior art in second pipe 16 or equipment can.In addition, in air distribution device 15, preferably arrange one can detect the detector that outside air enters the volume content in second pipe 16, in time the gas volume entered in second pipe 16 is tested, be convenient to the need of unlatching air distribution device 15.
As more preferred embodiment good, also comprise cleaning apparatus 9, cleaning apparatus 9 comprises cyclone cylinder, and cyclone cylinder has the second inlet mouth 91, second air outlet and the 3rd air outlet 92.Wherein, second inlet mouth 91 is connected to the first air outlet, air outlet 14, second and is in communication with the outside, and the 3rd air outlet 92 is communicated with giving the cavity of wind apparatus 4 by the first pipeline 10, for being mixed with the hot gas given in wind apparatus 4 by the gas after dedusting, form the hot gas of required water ratio.
Specifically, after material is dried in body of heater 1, through the second inlet mouth 91, the gas in body of heater 1 and after material-heat-exchanging is introduced in cyclone cylinder; Under the effect of blower fan, gas spin in cyclone cylinder rise motion, in uphill process, the solid particulate contained in gas and liquid are got rid of on the inner-wall surface of cyclone cylinder, under the effect of self gravitation, solid particulate and liquid deposition are in the bottom of cyclone cylinder; And get rid of solid particulate, liquid a part of gas through the second air outlet directly discharged to outside air, another part gas is then transported to in the cavity of wind apparatus 4 through the 3rd air outlet 92, mix with the hot gas given in wind apparatus 4 cavity, portion gas after dedusting is recycled, reduces the heat required for heat hot gas.
In addition, in gas after dedusting, water ratio is generally at 20%-30%, and be almost 0% to the water ratio of hot gas in wind apparatus 4, be that the dedusting gas of 20%-30% is introduced in wind apparatus 4 by water ratio, mix with the hot gas of drying, to form the hot gas that water ratio is 6%-15%, this hot gas is introduced in body of heater 1 with the efficiency of material-heat-exchanging and effect, than the dry hot gas by water ratio being 0% introduce in body of heater 1 with the efficiency of material-heat-exchanging and better effects if.Because, containing a small amount of moisture in hot gas, under equivalent environment, specific heat of water holds and is greater than the specific heat capacity of air, and during the material of dry identical amount, the heat required for water is less, thus reduce the heat of dried material needs, improve drying efficiency, but the water ratio in hot gas is unsuitable too high, too high rear heat exchange efficiency can decline on the contrary, so the optimum moisture content of hot gas controls at 6%-15%.
As the embodiment of distortion, feeding device 2, material receiving apparatus 3 can also be comprised.Wherein, feeding device 2 is preferably feeding machine of the prior art, such as lift, and the hopper be arranged on opening for feed 11, when having feeding device 2, the material of described second stage transportation surface is directly transferred to feeding device 2, and the feed opening of lift faces toward or extend into can in hopper.Material receiving apparatus 3 is preferably worm conveyor, or rotary conveyor and chain transfer, or directly below discharge port 12, arranges a discharging bin.
As the opening for feed 11 that body of heater 1 is offered, discharge port 12, first inlet mouth 13 and the first air outlet 14 preferred embodiment, as shown in Figures 2 and 3, opening for feed 11 is opened on the sidewall of body of heater 1 radial direction, discharge port 12 be opened in body of heater 1 along in Z-direction bottom outer wall on, first inlet mouth 13 is opened in the body of heater 1 at close opening for feed 11 place along in the top exterior walls in Z-direction, first air outlet 14 is opened in body of heater 11 along in the top exterior walls in Z-direction, and relative with the position of discharge port 12.
In a word, when to dry materials, first according to the performance of material, the parameters such as such as water ratio, size, degree of drying, adjust the spacing between blade 7 and body of heater 1 inwall, the angle that blade 7 is arranged in stir shaft 6 surface thereof, and the spacing in the second rotating shaft 5 between adjacent two peripheries; And according to adding the amount of material, introducing the amount of the hot gas in body of heater 1, calculate material in body of heater 1, stop the degree of drying that how long just can reach necessary requirement, and can by test repeatedly, draw the optimized parameter that each material is dried, thus prepare the drying oven of relevant parameter and there is the dehumidification system of this drying oven.
What deserves to be explained is, in above-mentioned embodiment of the present invention, also can omit the first inlet mouth, now, only by tuyere air inlet.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. a sludge treating system, is characterized in that, comprises
Transmitting device, there is two-stage transmission face, first step transmission face is positioned at above the side in transmission face, the second stage, connected by transition apparatus (500) between first step transmission face (200) and transmission face, the second stage (300), the mud that solid-liquid can mix by described transmitting device is transported to the tail end in first step transmission face from the head end in first step transmission face, and import to transmission face, the second stage through transition apparatus, and be transported to the tail end in transmission face, the second stage from the head end in transmission face, the second stage;
Water removing structure, comprises the posticum (400) be arranged on each transmission face, and be positioned on each transmission face can relative transport face change height pressing plate (100), described pressing plate is for squeezing the moisture in described mud;
Drying installation, is arranged on the tail end in the transmission face, the second stage of described transmitting device, and is positioned at the side-lower in transmission face, the described second stage, for receiving the mud coming from transmission face, the second stage, and carries out drying treatment to described mud; Described drying installation comprises
Body of heater (1), arrange in the horizontal direction, the opening for feed (11), the discharge port (12) that there is cavity, add, take out for material, the tail end in the transmission face, the second stage of its opening for feed (11) corresponding drying installation is arranged, and receives the mud coming from transmission face, the second stage;
First rotating shaft, is located in the cavity of described body of heater (1), has installation cavity, and the inwall of described installation cavity is provided with some nichrome wire, heating during described nichrome wire energising, and described first rotating shaft is that thermally conductive material is made;
Second rotating shaft (5), be set in described first rotating shaft, and and form venting cavity between described first rotating shaft, described venting cavity is provided with several tuyeres, the jet direction of described tuyere does not overlap not parallel with the mixing direction of the mixing direction of described stir shaft (6) and described blade (7), and the jet direction of described tuyere and the axis of described opening for feed (11) form 30-50 degree angle;
Stir shaft (6), is arranged on the outer wall of described second rotating shaft (5), and the radial direction towards described second rotating shaft (5) extends, and multiple along the axial outer wall distribution of described second rotating shaft (5);
Blade (7), for multiple, be inclined on described stir shaft (6), the distance between adjacent described blade (7) is not more than 30mm;
Described tuyere is positioned between adjacent described stir shaft (6), and the axis of described tuyere and the angle of water second rotating shaft (5) are less than the angle of described stir shaft (6) and the second rotating shaft (5).
2. sludge treating system according to claim 1, is characterized in that: the axis of described opening for feed (11) tilts crossing with the axis of described second rotating shaft (5), is formed and is greater than the angle that 90 degree are less than 150 degree.
3. sludge treating system according to claim 1, it is characterized in that: described blade (7) is removably set on described stir shaft (6), described mixing component also comprises locking piece (8), for described blade (7) being locked in the desired location place on described stir shaft (6).
4. the sludge treating system according to Claims 2 or 3, it is characterized in that: multiple stir shaft (6) is distributed on the multiple spaced periphery of described second rotating shaft (5), and each periphery of described second rotating shaft (5) is distributed with at least one stir shaft (6).
5. sludge treating system according to claim 4, is characterized in that: the stir shaft (6) on adjacent circumferential face is positioned on different vertical planes.
6. the sludge treating system according to any one of claim 2-5, it is characterized in that: described stir shaft (6) is at least four, four described stir shafts (6) are separately positioned on four peripheries of described second rotating shaft (5), and in bottom outer wall on rear portion outer wall on anterior outer wall in four described stir shafts (6) are successively set in the Z-direction of described second rotating shaft (5) respectively top exterior walls, in Y direction, in Y direction and in Z-direction.
7. the sludge treating system according to any one of claim 2-5, is characterized in that: described blade (7) angle be inclined on described stir shaft (6) is greater than 0 ° and is less than or equal to 20 °; Spacing between the edge of close body of heater (1) the inwall side of described blade (7) and described body of heater (1) inwall is 0.5-10 centimetre.
8. sludge treating system according to claim 7, is characterized in that: adjacent two stir shafts (6) are not more than 500mm along the second rotating shaft (5) axial distance axially; Stir shaft (6) is not less than 1000mm with the distance of described furnace interior.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644965.2A CN108862986A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810645679.8A CN108840540A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810645688.7A CN108821537A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201610009711.4A CN105439416B (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009711.4A CN105439416B (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810645679.8A Division CN108840540A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810645688.7A Division CN108821537A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810644965.2A Division CN108862986A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105439416A true CN105439416A (en) | 2016-03-30 |
| CN105439416B CN105439416B (en) | 2018-08-03 |
Family
ID=55550129
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810645688.7A Withdrawn CN108821537A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201610009711.4A Active CN105439416B (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810644965.2A Withdrawn CN108862986A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810645679.8A Withdrawn CN108840540A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810645688.7A Withdrawn CN108821537A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644965.2A Withdrawn CN108862986A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
| CN201810645679.8A Withdrawn CN108840540A (en) | 2016-01-06 | 2016-01-06 | Sludge treating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN108821537A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575800A (en) * | 1978-12-04 | 1980-06-07 | Fuso Kensetsu Kogyo Kk | Drying method of sludge using plurality of sludge drying tank and unit therefor |
| CN2876651Y (en) * | 2006-02-20 | 2007-03-07 | 孙德华 | Screw stirring type drum drier |
| CN200968766Y (en) * | 2006-10-30 | 2007-10-31 | 四川雷鸣生物环保工程有限公司 | High-temperature circulating flue gas agitating drying machines |
| CN102464441A (en) * | 2010-11-18 | 2012-05-23 | 江都苏能电气设备有限公司 | Drying device for drying sludge by using flue gas |
| CN104422265A (en) * | 2013-08-29 | 2015-03-18 | 双龙集团有限公司 | Flat-paddle drying machine and flat-paddle drying method |
-
2016
- 2016-01-06 CN CN201810645688.7A patent/CN108821537A/en not_active Withdrawn
- 2016-01-06 CN CN201610009711.4A patent/CN105439416B/en active Active
- 2016-01-06 CN CN201810644965.2A patent/CN108862986A/en not_active Withdrawn
- 2016-01-06 CN CN201810645679.8A patent/CN108840540A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575800A (en) * | 1978-12-04 | 1980-06-07 | Fuso Kensetsu Kogyo Kk | Drying method of sludge using plurality of sludge drying tank and unit therefor |
| CN2876651Y (en) * | 2006-02-20 | 2007-03-07 | 孙德华 | Screw stirring type drum drier |
| CN200968766Y (en) * | 2006-10-30 | 2007-10-31 | 四川雷鸣生物环保工程有限公司 | High-temperature circulating flue gas agitating drying machines |
| CN102464441A (en) * | 2010-11-18 | 2012-05-23 | 江都苏能电气设备有限公司 | Drying device for drying sludge by using flue gas |
| CN104422265A (en) * | 2013-08-29 | 2015-03-18 | 双龙集团有限公司 | Flat-paddle drying machine and flat-paddle drying method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108821537A (en) | 2018-11-16 |
| CN105439416B (en) | 2018-08-03 |
| CN108840540A (en) | 2018-11-20 |
| CN108862986A (en) | 2018-11-23 |
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Effective date of registration: 20190529 Address after: 223400 Xingang Electronics Industrial Park, Lianshui Economic Development Zone, Huai'an City, Jiangsu Province, south of Provincial Highway 235 and east of Xingxing Avenue Patentee after: Huaian Zhongshun Environmental Protection Technology Co., Ltd. Address before: 325000 Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 529, No. 15 Road, No. 2 Road Patentee before: Wang Liangyuan |
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