CN105819651A - Device for drying sludge with bottom air admission structure - Google Patents
Device for drying sludge with bottom air admission structure Download PDFInfo
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- CN105819651A CN105819651A CN201510006493.4A CN201510006493A CN105819651A CN 105819651 A CN105819651 A CN 105819651A CN 201510006493 A CN201510006493 A CN 201510006493A CN 105819651 A CN105819651 A CN 105819651A
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Abstract
The invention provides a device for drying sludge with a bottom air admission structure. The device comprises a casing, wherein, a drying chamber used for drying the sludge is formed by a space in the casing. A stirring device used for stirring the sludge is arranged in the drying chamber, wherein, the stirring device comprises a rotation shaft and a stirring component fixed on the rotation shaft. A feed inlet used for the to-be-dried sludge and an air outlet used for discharging the dried gas after the sludge is dried are arranged on the upper part of the drying chamber, and a discharge hatch used for the dried sludge is arranged on the circumferential wall of the drying chamber. A communication port is formed on a base plate of the casing, so that the dried gas outside the casing can be introduced into the drying chamber. A support apparatus is provided for supporting the casing, the base plate departs from the ground with a certain distance by the support apparatus, so that the casing and the base plate have a certain space. The invention also provides a method for drying the sludge by using the sludge drying device.
Description
Technical field
The present invention relates to sludge drying field, and relate generally to a kind of mud drying device, in particular to the mud drying device of bottom air inlet of a kind of monomeric form and utilize the method that this mud drying device is dried mud.
Background technology
Development along with urbanization, need produced sewage quantity in commercial production to be processed and life to be gradually increased, and the quantum of output as the side-product mud after sewage disposal also can be increasing, but, relative to sewage, the process of mud seems increasingly difficult.At present, Sewage Plant typically uses the method concentrated and be dehydrated that mud carries out the process of early stage, in order to from more than 90%, the moisture content of mud is reduced to 60-80%, and the mud processed through early stage generally carries out filling, solidifying and drying and other treatment.Landfill is a kind of relatively simple processing method, but, owing to the moisture content of mud is the highest, once environment is suitable for, mud can produce fermentation thus cause the pollution to surrounding enviroment, and cured reduces the moisture content of mud by the method blending additive, but sludge quantity can increase, therefore, it is impossible to realize the decrement of mud.Drying and other treatment is a kind of preferably processing method, both mud can have been avoided to occur that fermentation causes secondary pollution, it is also beneficial to the recycling to the mud after processing, but, current sludge drying device, the especially sludge drying device of monomeric form also exists some defects, thus causes the mummification efficiency of mud low and energy resource consumption is big, it is difficult to meet needs.
Chinese invention patent (CN101186422A) proposes a kind of enclosed multi-chamber fluidized bed drying method for sludge, wherein, this method needs to be blended in mud by the inert particle of such as river sand before drying sludge, afterwards by high pressure, high-temperature gas from the bottom of fluid bed through air distribution plate is blown into fluidized bed dryer so that mud mixture is dried, and the mud after mummification blown afloat to cross overflow plate step by step after be then exhausted from fluid bed.It is the least and expend the energy that this method does not only result in the amount of the mud every time wanting mummification, and therefore, its efficiency is the lowest, it is difficult to realize continuous and large-scale sludge drying operation.
The Chinese utility model patent (CN201000261Y) being filed by the present applicant and authorizing proposes a kind of mud low-temperature drier, and wherein use iron shot is as heat transfer medium, and is placed in by iron shot on the foraminate baffle plate of band, and mud then covers iron shot.The cryogenic gas of certain pressure is inputted from bottom and is passed to aperture and directly acts on mud.Although iron shot can be directly heated by this mode, and it is made to transfer heat in the mud of surrounding, but, in order to prevent iron shot from dropping from aperture, the aperture of aperture is less than the diameter of iron shot, and iron shot is clouded on aperture, thus blocks the entrance of thermal medium.This method is difficult to ensure that the mud on iron shot obtains more heat, and the mummification causing mud is inefficient.Therefore, this drying device not only consumes the energy and is also not reaching to the intended purpose improving mummification efficiency.
Chinese utility model patent (CN203319838U) proposes a kind of sludge solidification processing agitator, wherein by Double shaft stirring device, the mud put in stir chamber and curing materials are constantly stirred, make mud and curing materials uniformly mix, thus reduce the purpose of moisture percentage in sewage sludge.Although this blender employing blending dry powder the mode stirred solidify, to reach the effect of similar mummification, but this method only makes dry powder carry out hydration reaction with the moisture in mud, but the moisture in mud and harmful substance can not be removed, but also add the difficulty of sludge quantity and subsequent treatment, and the mud after solidification is caused to be utilized again.
From the foregoing, sludge treatment device of the prior art or method all also exist clearly disadvantageous, it is difficult to adapt to ever-increasing mud handling capacity.Due to the characteristic that the viscosity of mud is high, easily caking and difficulty crush, accordingly, it would be desirable to such a equipment, this equipment had both saved the energy can also make the abundant mummification of mud, thus avoids the occurrence of the secondary pollution to environment of the mud after process.
Summary of the invention
In order to overcome the deficiencies in the prior art, present applicant has proposed the mud drying device of the bottom air inlet of a kind of monomeric form.In the mud drying device of the present invention, while mud being stirred due to the turning device in hothouse, mud is implemented to shear and broken by its blade stirred on assembly rotated around rotary shaft or ratchet, improve mud and dry gas contact frequency, thus solve the problem that inside and outside portion degree of drying that mud occurs in dry run is uneven.
In the mud drying device of the present invention; enable to be dried gas by the connected entrance formed on the base plate of hothouse enter hothouse from the bottom of mud and contact with mud; and along with turning device is to the shearing of mud, broken and stir; the granularity of mud constantly changes and changes towards powderization; and then improve sponginess and the mobility of mud, accelerate being dried of mud.
In the mud drying device of the present invention, by air-blast device, blower unit or/and the configuration of heater, accelerate and outside be dried the gas flowing towards hothouse, promote contacting of dry gas and mud, improve drying efficiency.
The mud drying device of the bottom air inlet of the monomeric form of the present invention has that mummification efficiency is high, and energy consumption is low, and floor space is little and adaptable feature, is completely suitable for the needs of existing market.Densely populated due in city, and sewage treatment plant arranges dispersion, therefore, in the case of need not the equipment changing in sewage treatment plant on a large scale, is suitable to arrange the mud drying device of this monomeric form.
Mud is constantly stirred, shears the compound action of the air inlet with broken and connected entrance from the base plate being arranged on housing by the assembly that stirs of the turning device that arranges in hothouse mud sufficiently can be contacted with the dry gas in entrance hothouse by the mud drying device of the bottom air inlet of the present invention, thus solve a mud viscosity difficult problem high, that easily caking, difficulty crush, improve the mummification efficiency of mud.
Accompanying drawing explanation
The structure of technical scheme, advantage and technique effect is described in detail, wherein below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is the partial lengthwise sectional view of the mud drying device of the bottom air inlet of the present invention;
Fig. 2 is the transverse sectional view of the mud drying device shown in Fig. 1;
Fig. 3 is body and the schematic perspective view of base plate of the housing of mud drying device;
Fig. 4 is the schematic perspective view of the turning device used in mud drying device;
Fig. 5 be arrange in the hothouse of mud drying device turning device schematic perspective view；
Fig. 6 is the local longitudinal direction cross-sectional schematic of another embodiment of the mud drying device of the bottom air inlet of the present invention；
Fig. 7 is the transverse sectional view of the mud drying device shown in Fig. 6；And
Fig. 8 is the schematic perspective view of the dry gas distributing device used in mud drying device.
Detailed description of the invention
Fig. 1 and 2 shows a preferred embodiment of the mud drying device of the bottom air inlet according to the present invention, schematically shows the structure of device the most respectively with longitudinal partial sectional view and transverse sectional view.As it can be seen, the mud drying device 1 of bottom air inlet has housing (or shell), turning device 7 and support means 11 generally.Housing includes body 2 and the upper cover (or lid) 3 being arranged on body 2 and base plate 4.Body 2, upper cover 3 form the hothouse 6 with certain inner space together with base plate 4.Turning device 7 is arranged in hothouse 6, for shearing, crushes and stirs the mud being deposited on base plate 4.Housing is raised away from ground or floor B a certain distance h by support means 11.
As shown in the figure, the upper cover 3 of housing is separately provided for introduce the charging aperture 8 of mud to be dried and the tail gas after discharging dry mud or the air vent 10 of dry gas, and the discharging opening 9 for the mud being dried it is being provided with away from the body 2 near the base plate 4 of charging aperture 8, the i.e. end wall of hothouse 6.Although the discharging opening 9 that figure 1 illustrates is arranged on the end wall of housing, but it is contemplated that what discharging opening 9 was arranged on body 2 includes end wall and the circumferential wall of sidewall and the optional position of base plate 4, namely the circumferential wall of hothouse and the optional position of bottom.Alternatively, it is also possible to arrange the discharging opening position at circumference wall according to the sludge product of desired different water cut.Forming at least one connected entrance 5 on base plate 4, to allow air in air or dry gas below mud drying device 1, i.e. the bottom of hothouse 6 is in connected entrance 5 enters into hothouse 6.As it can be seen, for supporting the form that the device 11 of housing is support, wherein, two supports lay respectively at the two ends of housing and are in base plate 4 location below.It addition, support means can also use alternate manner or structure, the such as form such as plate, pillar.This configuration causes there is certain space between the base plate 4 of housing and ground B so that the air in air is possible not only in space flow freely, and allows also to air and be flowed in hothouse 6 by the connected entrance 5 on base plate 4.The support illustrated can make air enter the space between base plate 4 and ground B from four direction, thus beneficially air at the flowing underneath of housing and is entered in hothouse 6 by connected entrance 5.
Fig. 3 shows the body of housing and the preferred embodiment of base plate, and wherein, body 2 and base plate 4 can pass through attachment means such as bolt, weld or riveting etc. is fixed together.The shape of body 2 is rectangular but it also may be susceptible to other shape, such as square, ellipse, polygon etc..Forming the connected entrance 5 of various shape on base plate 4, it includes arch door shape 5a, triangle 5b, rectangle 5c, trapezoidal 5d, circular 5e, polygon 5f etc..Certainly, the shape of connected entrance is not limited only to shown shape, and it can have and includes regular or irregular random geometry, and, these difform connected entrances 5 can be distributed in any position of base plate 4.In other words, connected entrance 5 had not both had shape and quantitative restriction not to have the restriction in queueing discipline yet, can be as desired to determine.In other words, the shape of connected entrance 5, quantity and distribution are associated with sludge quantity to be dried.The setting of connected entrance 5 makes the air outside housing or dry gas to pass therethrough to be entered in hothouse 6 by the bottom of housing, to contact with mud.As it can be seen, body 2 and base plate 4 at mud drying device 1 middle shell are two parts, and they can be fitted together such as welding, bolt or riveting etc. by known connected mode.But, as required can also be by body 2 and upper cover 3 or base plate 4 molding integral with one another.
Fig. 4 shows a preferred embodiment of the turning device used in mud drying device.Turning device 7 have rotary shaft 701 and be fixed in rotary shaft 701 stir assembly 702, wherein, stir assembly 702 and rotate together with rotary shaft 7, to shear, broken and stir mud.It is provided with five in the rotary shaft 701 of turning device 7 and stirs assembly 702, and each assembly 702 that stirs has four blades extended radially outwardly out by rotary shaft 701 respectively or ratchet 702, therefore, stirs assembly 702 and is similar to propeller on profile.Assembly and blade thereon or the quantity of ratchet is stirred of course, it is possible to arrange according to the sludge quantity wanting mummification.In other words, it can be one or more for stirring assembly 702, and can arrange one or more blade or ratchet 703 on assembly 702 each stirring.Blade shown in figure or ratchet 703 are welded and fixed in rotary shaft 701 but it also may use other fixed form, such as, bolt, riveting etc..It addition, the assembly 701 that stirs of turning device 7 can be with other different configuration or shape.Such as, blade or ratchet are fixed on an axle ring or axle sleeve, afterwards axle ring or axle sleeve are fixedly mounted on the rotating shaft.Can also be designed be similar to the plate-like of gear by stirring assembly 702
Fig. 5 shows the preferred embodiment arranging turning device in the hothouse of mud drying device.The two ends of the rotary shaft 701 of turning device 7 can be separately positioned on body 2, the i.e. opposite end walls of hothouse 6 in the hole 201 formed by such as bearing (not shown) so that turning device 7 is arranged in housing along the longitudinal direction G of housing or main body.It addition, rotary shaft 701 can also pass (not shown) in the support means in the outside that the hole 201 on body 2 is arranged on the opposite end walls being arranged on housing.As shown in Figure 1, external impetus equipment can drive turning device 7 by the power input 18 arranged on one end of rotary shaft 701, can also be transferred power in power input 18 by actuating device, and power input 18 can be the such as drive disk assembly such as gear, belt wheel.
Seeing Fig. 1 and 2, the mud drying device 1 of the bottom air inlet of the present invention can make to be dried gas such as air and enter hothouse from the bottom of hothouse to realize being dried mud.Along with mud to be dried to be dried is sent in hothouse 6 by unshowned conveyer device, external impetus equipment drives rotary shaft 701 to rotate by power input 18, and rotating of rotary shaft drives the fixed thereon assembly 702 that stirs to rotate, so make to stir the blade on assembly 702 or mud is sheared by ratchet 703, broken and stir.At this moment, the air of the flowing in space below the base plate 4 of mud drying device 1 also passes through connected entrance 5 and flows in hothouse 6, thus is dried mud through mud.Tail gas after entering hothouse 6 and contacting with mud therein or dry gas flow air vent 10, be discharged in air or enter gas handling system afterwards to carry out follow-up process.After being dried after a while, the moisture content of mud significantly reduces, and mud after drying is discharged from discharging opening 9.
Owing to the mud drying device 1 of the bottom air inlet of the present invention is provided with connected entrance 5 on the bottom of hothouse 6 namely base plate 4, therefore it is dried gas and can enter the bottom of hothouse 6 from the connected entrance 5 that passes below of mud drying device 1, and discharge from the mud face from it that passes beneath of hothouse 6.This mode is totally different from conventional prior art, first, the method of the present invention and common hotter gas are similar to the phenomenon of aerial flowing from ground, by means of support means 11, mud drying device 1 is raised from ground B, to reserve certain space between base plate 4 and ground B, thus the air of the flowing in following space can from the bottom natural of mud drying device 1 connected entrance 5 through base plate 4 be flowed in hothouse 6.Secondly, the present invention changes and blowed dry gas or by compressed gas by force from the traditional drying mode of the bottom of device conveying from top to the mud in hothouse in the past.Blow dry gas from top, can only be dried the upper surface of sludge blanket, and carry compressed gas by force from the bottom of device only to desiccation a fraction of basal surface of the sludge blanket of lay.The method of the present invention is to make the dry gas such as air entered through connected entrance 5 interact with the mud stirred; it is dried the frequency that gas contacts with mud to increase; and; stir while assembly stirs mud at turning device; stir the blade on assembly or ratchet block or the fragment of mud are sheared and crushed, and then make the granularity of mud taper into and powder.The granularity of mud constantly change and the raising of drying sludge degree promotes the flowing by connected entrance of the dry gas, therefore, the gas flow entering hothouse will increase, thus shortens the time of drying sludge.This method changes the mode in the past the most only carrying out local desiccation at the upper surface of sludge blanket or basal surface so that drying sludge efficiency significantly improves.It addition, in fig. 2, although illustrate the form that support means is support, but those skilled in the art are it is contemplated that the form such as plate, pillar, and can also be arranged as required to multiple jury strut or support.The support illustrated can make air enter the space between base plate 4 and ground B from four direction, thus be conducive to being dried gas or air and at housing flowing underneath and pass through connected entrance 5 and enter in hothouse 6.
Fig. 6 and 7 shows another preferred embodiment of the mud drying device of the bottom air inlet of the present invention, represents this improved plan with longitudinal partial sectional view and transverse sectional view the most respectively.In Fig. 6 and 7, parts same or similar with the embodiment shown in Fig. 1 and 2 are indicated by the same numerals, and therefore, the structure of these parts, shape and function applicant repeat no more, and only describe different parts or device.
As it has been described above, the mud drying device 1 of the bottom air inlet of the present invention utilizes the connected entrance 5 formed on the bottom of hothouse 6 or base plate 4 to make to be dried gas enters hothouse 6, and then through mud to improve the contact frequency being dried gas with mud.Although this method has good drying effect for prior art, but need nonetheless remain for further improving.Enter the speed of hothouse in order to improve dry gas, can be that the mud drying device 1 of bottom air inlet additionally configures air-blast device 12, blower unit 13, gas distributing device 14 or heater.
As shown in Figures 6 and 7, in the space of the lower section that gas distributing device 14 is arranged on mud drying device 1, namely in the space below of the base plate 4 of housing, and supported by support means but it also may be suspended on the base plate 4 of housing by suspension bracket (not shown).Gas distributing device 14 is in casing form, and is formed on its side plate for receiving the air inlet 15 of dry gas, and forms the gas outlet 16 for dry gas of providing and delivering on plate thereon.The gas outlet 16 of gas distributing device 14 can be formed at the upper surface except it or top panel, namely any position beyond the surface of base plate 4, and can have variously-shaped.Air inlet 15 can also be arranged on other position.
Fig. 8 shows a preferred embodiment of gas distributing device 14.As it can be seen, gas distributing device 14 is cuboid and the gas outlet 16 forming various shape thereon on surface or top panel, it includes arch door shape 16a, triangle 16b, rectangle 16c, trapezoidal 16d, circular 16e, polygon 16f etc..Each of these gas outlets shape all shapes with the connected entrance 5 shown in Fig. 3 correspond to each other, and corresponding connected entrance and gas outlet 16 are communicated with each other by conduit or pipeline 17.Therefore, it can make connected entrance 5 corresponding with the shape of corresponding connected entrance and gas outlet with the cross sectional shape of each pipeline 17 of gas outlet 16, in order to dry gas can be swimmingly in connected entrance 5 enters hothouse 6.Additionally, pipeline 17 can also the same form using flexible duct of image tube road 12a with 13a, so that difform connected entrance and gas outlet can be connected, and the cross sectional shape of one end of pipeline 17 can also be made corresponding with the gas outlet 16 of gas distributing device 14, and the cross sectional shape of the other end of pipeline 17 is made corresponding with the shape of the connected entrance 5 on base plate 4.In another embodiment, it is possible to use a flexible manifold road substitutes gas distributing device 14, and substitutes pipeline 17 with the other flexible arm corresponding with the quantity of the connected entrance 5 on base plate 4, and this can play the effect being dried gas to hothouse 6 conveying equally.Additionally, gas distributing device 14 can also be arranged on other place beyond the space between housing and ground, and can be other shapes such as cylinder, tank body, ellipsoid.
See Fig. 7, mud drying device 1 may be included in the unshowned air-blast device of Fig. 6 12, wherein, air-blast device 12 connects with gas distributing device 14 with air inlet 15 through pipeline 12a, to feed dry gas in gas distributing device 14, and make to be dried gas through the gas outlet 16 of gas distributing device 14 and connected entrance 5 and enter in hothouse 6.Air-blast device 12 can be used to the flowing accelerating to be dried gas.Equally, mud drying device 1 can also include blower unit 13, and wherein, blower unit 13 connects with hothouse 6 with the air vent 10 on the top being positioned at housing through pipeline 13a.Blower unit 13 can accelerate the tail gas outflow from hothouse 6.It is transported to gas distributing device 14 and the dry gas that enters in hothouse 6 can be such as hot gas, the dry medium of gas, hot-air, gas at normal temperature or frozen gas etc. containing chemical substance, it is also possible to be the dry medium of formulated.Typically, air-blast device can be aerator or fan, and blower unit can be air-introduced machine.Furthermore it is possible to substitute air-blast device 12 with pressurizer, so that dry gas is transported to gas distributing device 14 with certain pressure, accelerate to flow into hothouse 6 so that being dried gas.Equally, it is also possible to substitute the blower unit 13 flowing with quickening tail gas with decompressor, thus improve sludge drying efficiency.
For needing the mud utilizing hot drying gas to be dried, heater (not shown) can be set, so that the dry gas being transported in hothouse 6 to be heated.Heater can be provided separately within upstream position or the downstream position of air-blast device, it is also possible to integrates with air-blast device, in order to is transported in gas distributing device 14 by the dry gas of heating.
Seeing Fig. 6 and 7, similar with the mud drying device of the bottom air inlet in Fig. 1 and 2, this improved plan equally makes to be dried gas and enters hothouse from the bottom of hothouse, but more preferable to the drying effect of mud.When configuring air-blast device 12, external impetus makes turning device 7 operate, and wherein, rotary shaft 701 drive is stirred assembly 702 and rotated, and then promotes each blade or ratchet constantly to shear, stir and crush mud.Meanwhile, dry gas in piping 12a is blown into gas distributing device 14, and is thus dried gas and is allocated and passes through corresponding pipeline 17 and arrive corresponding connected entrance 5 from the gas outlet 16 of gas distributing device 14 by air-blast device 12.Under the effect of air-blast device, it is dried gas and enters the flow faster of hothouse 6 through connected entrance 5, thus be conducive to being dried gas and mud is dried, shorten the drying time of mud.When configuring blower unit 13, complete to be dried the tail gas of work or dry gas leaves the flow faster of hothouse 6 under the effect of blower unit 13, serve equally and accelerate to be dried the effect that gas contacts with mud, and the tail gas discharged from air vent 10 can be transported to exhaust treatment system and carry out subsequent treatment.When configuring heater, before dry gas enters into gas distributing device 14, it is heated, in order to utilize hot drying gas that the mud in hothouse 6 is dried.By the hot drying gas effect to mud, the evaporation of the moisture in mud is made to accelerate being dried of mud, this efficiency being equally beneficial for improving drying sludge.Therefore, the configuration of each device above-mentioned further increases sludge drying efficiency.It is understood that as required, air-blast device 12, blower unit 13 and heater both can be separately configured and can also combine configuration.
In addition, as shown in figs. 1 and 3, in order to be favorably improved the drying effect of mud, charging aperture 8 on upper cover 3 advantageously can be arranged close to one end of mud drying device 1, and the discharging opening 9 on body 2 is arranged close to the other end of mud drying device 1, and air vent 10 is arranged adjacent to charging aperture 8, and, turning device 7 is designed with the effect not only can stirred mud but also mud can be promoted to move at the longitudinal direction G of housing.So, the mud high along with moisture content namely mud to be dried are transported to hothouse 6 be dried process and dry gas being progressively dried mud from connected entrance 5 from charging aperture 8, the moisture content of mud can be gradually lowered, and mud is also progressively pushed to discharging opening 9 while stirring mud by turning device 7.So, the driest the closer to the mud of discharging opening 9, and be dried gas and just become the most smooth and easy when near the connected entrance 5 of discharging opening.Therefore, the dry gas of the connected entrance 5 near discharging opening 9 can also be dried on the longitudinal direction G of mud drying device 1 namely along the surface of mud after dried mud, thus, extends the time of contact of dry gas and mud.
Although list in this application multiple preferred embodiment, but the present invention is not limited only to the content arrived mentioned by description, all parts in the mud drying device of the bottom air inlet of the present invention or device can be changed by the above-mentioned design philosophy of the present invention and retrofit by those skilled in the art completely, and these changes or remodeling are all within the concept of the present invention.
Claims (16)
1. a bottom air inlet mud drying device, described mud drying device includes:
Housing, wherein, the space in described housing constitutes the hothouse in order to dewatered sludge；
The turning device for stirring mud being arranged in described hothouse, described turning device includes rotary shaft and at least one being fixed in described rotary shaft stirs assembly；
It is arranged on the upper part of described hothouse for the charging aperture of mud to be dried and the air vent of the dry gas after being dried mud, and the discharging opening for dried mud being arranged on the circumferential wall of described hothouse；And
At least one connected entrance being formed on the base plate of described housing, to allow the dry gas outside housing to enter described hothouse；And
For supporting the support means of described housing, described support means makes described base plate leave ground certain distance, in order to have certain space between described housing and ground.
Mud drying device the most according to claim 1, it is characterised in that at least one connected entrance described on described base plate has regular or irregular shape.
Mud drying device the most according to claim 1 and 2, it is characterised in that at least one connected entrance described includes multiple connected entrance, wherein, the plurality of connected entrance be respectively provided with different shapes and on described base plate disorder distribution.
4. according to the mud drying device according to any one of claim 1-3, it is characterized in that, on described turning device described at least one stir assembly there is at least one blade or ratchet, wherein, at least one blade described or ratchet extend radially outwardly out from described rotary shaft, with described at least one stir when assembly rotates shear, broken and stir mud.
5. according to the mud drying device according to any one of claim 1-4, it is characterised in that it also includes air-blast device, and wherein, described air-blast device connects with described hothouse through at least one connected entrance described.
6. according to the mud drying device according to any one of claim 1-5, it is characterised in that it also includes gas distributing device, and wherein, gas distributing device includes the air inlet for being dried gas and at least one gas outlet.
7. according to the mud drying device according to any one of claim 1-6, it is characterized in that, it also includes air-blast device, wherein, described air-blast device connects with the described air inlet of gas distributing device, and at least one gas outlet described of described gas distributing device connects with at least one connected entrance described.
8. according to the mud drying device according to any one of claim 1-7, it is characterised in that described gas distributing device is arranged in the described space between described housing and ground.
9. according to the mud drying device according to any one of claim 1-8, it is characterized in that, at least one gas outlet described of gas distributing device includes multiple gas outlet, and described at least one connected entrance includes that multiple connected entrance, the quantity of wherein said multiple gas outlets or shape can be identical or different with the quantity of the plurality of connected entrance or shape.
10. according to the mud drying device according to any one of claim 1-9, it is characterised in that it also includes blower unit, and wherein, described blower unit connects with described hothouse through described air vent.
11. according to the mud drying device according to any one of claim 1-10, it is characterised in that it also includes heater, and wherein, described heater is arranged on the upstream of described air-blast device, downstream or is integrally formed therewith.
12. according to the mud drying device according to any one of claim 1-11, it is characterized in that, described at least one stir assembly and include multiple stirring assembly, and described at least one blade or ratchet include multiple blade or ratchet, wherein, the plurality of assembly that stirs is arranged in described rotary shaft at certain intervals, and the plurality of blade or ratchet axially on be arranged at certain intervals in described rotary shaft.
The method that 13. 1 kinds of mud drying devices used according to any one of the claims carry out sludge drying, said method comprising the steps of:
By the charging aperture for mud to be dried arranged in the upper part of hothouse, mud is sent in hothouse；
Utilize the assembly that stirs rotated around rotary shaft for stirring the turning device of mud being arranged in described hothouse to stir mud, and while stirring mud, the blade or the ratchet that stir assembly are sheared and crush mud；
The dry gas allowing hull outside enters in described hothouse by the connected entrance being arranged on the base plate of described housing, to contact with mud；And
By the tail gas after dewatered sludge and the mud after mummification respectively by the air vent of the dry gas after being used for dewatered sludge be used for the discharging opening of dried mud and discharge.
14. sludge drying methods according to claim 13, it is characterized in that, its step also including blowing dry gas: by air-blast device, dry gas is blown into the air inlet of gas distributing device, and is assigned it to the connected entrance on the base plate of hothouse by least one gas outlet described in described gas distributing device.
15. according to the sludge drying method described in claim 13 or 14, it is characterised in that its step also including drawing tail gas: by blower unit, from described air vent, the tail gas after dry mud is drawn described hothouse.
16. according to the mud drying device according to any one of claim 13-15, it is characterised in that it also includes the step of heat drying gas: heated, by heater, the dry gas entering described hothouse or described gas distributing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510006493.4A CN105819651A (en) | 2015-01-07 | 2015-01-07 | Device for drying sludge with bottom air admission structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510006493.4A CN105819651A (en) | 2015-01-07 | 2015-01-07 | Device for drying sludge with bottom air admission structure |
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| CN201510006493.4A Pending CN105819651A (en) | 2015-01-07 | 2015-01-07 | Device for drying sludge with bottom air admission structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083603A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its method of dewatered sludge |
| CN108083600A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its method of dewatered sludge |
| CN112479541A (en) * | 2019-09-12 | 2021-03-12 | 广州新致晟环保科技有限公司 | Sludge drying device and using method thereof |
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| WO2007040318A1 (en) * | 2005-10-04 | 2007-04-12 | Jeongwoo Ms Co., Ltd. | Method of and apparatus for drying sludge |
| JP2007255807A (en) * | 2006-03-24 | 2007-10-04 | Ube Machinery Corporation Ltd | Stirring dryer |
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| WO2007040318A1 (en) * | 2005-10-04 | 2007-04-12 | Jeongwoo Ms Co., Ltd. | Method of and apparatus for drying sludge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108083603A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its method of dewatered sludge |
| CN108083600A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its method of dewatered sludge |
| CN112479541A (en) * | 2019-09-12 | 2021-03-12 | 广州新致晟环保科技有限公司 | Sludge drying device and using method thereof |
| CN112479541B (en) * | 2019-09-12 | 2024-05-24 | 广州正晟科技有限公司 | Sludge drying device and use method thereof |
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