CN105819647A - Bottom drying-type sludge drying device and bottom drying-type sludge drying method - Google Patents
Bottom drying-type sludge drying device and bottom drying-type sludge drying method Download PDFInfo
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- CN105819647A CN105819647A CN201510006479.4A CN201510006479A CN105819647A CN 105819647 A CN105819647 A CN 105819647A CN 201510006479 A CN201510006479 A CN 201510006479A CN 105819647 A CN105819647 A CN 105819647A
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Abstract
The invention provides a bottom drying-type sludge drying device. The bottom drying-type sludge drying device comprises a casing, wherein, a splitter plate is arranged in the casing, so that the space in the casing is divided into a first drying chamber and a second drying chamber. 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 first drying chamber, and a discharge hatch used for the dried sludge is arranged on the circumferential wall of the first drying chamber. An air inlet of the dried gas used for the to-be-dried sludge is arranged on the circumferential wall or the bottom of the second drying chamber. A communication port is formed on the splitter plate. A sludge stirring apparatus is arranged in the first drying chamber, wherein, the sludge stirring apparatus comprises a rotation shaft and a stirring component fixed on the rotation shaft, and the stirring component is used for stirring the sludge. 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, in particular to the bottom dry type mud drying device of a kind of monomeric form and utilize the method that this mud drying device is dried mud.
Background technology
Sewage treatment plant usually produces substantial amounts of mud after having processed sewage.These mud typically use the method concentrated or be dehydrated to carry out early stage process, in order to from more than 90%, the moisture content of mud is reduced to 60-80%, can fill processed mud afterwards, solidify or drying and other treatment.Landfill easily makes sludge fermentation cause the secondary pollution to environment, and solidification or drying equipment are owing to efficiency is low and energy consumption big, and reduced training is poor and is difficult to implement subsequent treatment.
Chinese invention patent (CN101186422A) proposes a kind of enclosed multi-chamber fluidized bed drying method for sludge.Fluid bed employed in this method not only expends the energy and efficiency is the lowest, it is difficult to realizes continuous and large-scale sludge drying and processes.
The Chinese utility model patent (CN201000261Y) being filed by the present applicant and authorizing proposes a kind of mud low-temperature drier.Although this drying device realizes certain mud decrement, but the time of consuming is long, the most not only consumes the energy but also be not reaching to the intended purpose improving mummification efficiency.
Chinese utility model patent (CN203319838U) proposes a kind of sludge solidification processing agitator.This blender by stirring by mud and dry powder blend to realize the solidification of mud, the most do not remove the moisture in mud, also add the volume of mud, and cause the mud after solidification to be utilized again.
Chinese utility model patent (CN201463472U) proposes a kind of step type multistage structure strong wind drier.This drying machine is by being laid in mud on step drying table and from lateral and bottom conveying compressed gas, and mud is moved by compressed gas.Therefore, this drying machine needs to consume the substantial amounts of energy, and the most bodies of drying table are the biggest, and floor space is big, it is difficult to realizes large-scale sludge drying and processes.
Accordingly, it is desirable to provide the mud drying device that a kind of energy consumption is low, volume is little, decrement is big and method.
Summary of the invention
In order to overcome the deficiencies in the prior art, present applicant has proposed the bottom dry type mud drying device of a kind of monomeric form.In the mud drying device of the present invention, owing to the turning device in hothouse is to the continuous shear stress of mud, broken and stir, mud is made frequently to contact with dry gas, thus the problem that the inside and outside portion degree of drying that occurs during solving drying sludge is uneven.
In the mud drying device of the present invention, it is dried gas and from bottom, mud is dried by the connected entrance formed on the demarcation strip separating the first hothouse and secondary drying chamber arranged in housing.Along with turning device is to the shearing of mud, broken and stir, the granularity of mud constantly changes, and causes the mobility of mud to strengthen, thus is conducive to the driest gas to enter the first hothouse.
In the mud drying device of the present invention, improving dry gas by air-blast device and enter the speed of the first hothouse, thus accelerate to be dried the flowing velocity of gas, the dry gas of promotion is fully contacted with mud, improves mummification efficiency.
In the mud drying device of the present invention, by arranging heater, the heating of dry gas is improved the drying efficiency of mud.
In the mud drying device of the present invention, by arranging the turning device that at least two is arranged side by side in the first hothouse, wherein, at least two turning device multiple stir assembly can interlaced arrangement each other, not only increase the drying efficiency of mud drying device, so that the total of mud drying device is compacter.
The mud drying device of the present invention is substantially monomeric form, and it has, and mummification efficiency is high, energy consumption is low, floor space is little, decrement is big and adaptable feature, is completely suitable for the needs of existing market.Owing in densely populated city, the setting of sewage treatment plant more disperses, therefore, in the case of few equipment changed in existing sewage treatment plant, just can configure the mud drying device of this monomeric form.
The mud drying device of the present invention and method utilize the turning device arranged in the first hothouse stir assembly constantly shear, the broken and mud that stirs in the first hothouse, make mud be fully contacted with dry gas.The mud drying device of the present invention and method can solve the problem that the viscosity of a mud difficult problem strong, that easily caking and difficulty crush, significantly remove the moisture in mud, and the graininess of mud is changed into granular, thus improve the mummification efficiency of mud, reduce energy consumption simultaneously.
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 bottom dry type mud drying device of the present invention;
Fig. 2 is the sectional view of the mud drying device taken transverse along Fig. 1;
Fig. 3 is the schematic perspective view of the first hothouse of the mud drying device of Fig. 1；
Fig. 4 represents the schematic perspective view of the turning device in the first hothouse arranged in figure 3；
Fig. 5 is the schematic perspective view of the another embodiment of turning device；
Fig. 6 is the schematic perspective view of the secondary drying chamber in Fig. 1；
Fig. 7 is the partial cross sectional view of the another embodiment of the bottom dry type mud drying device of the present invention;
Fig. 8 is the schematic perspective view of the demarcation strip of the curved surface in Fig. 7；And
Fig. 9 represents the schematic perspective view of the turning device in the first hothouse arranged in the figure 7.
Detailed description of the invention
Fig. 1 and 2 schematically shows a preferred embodiment of the bottom dry type mud drying device of the present invention respectively with the form longitudinally cut open and laterally cut open.As it can be seen, the bottom dry type mud drying device 1 of the present invention is generally in monomeric form and it includes housing, wherein, it is provided with demarcation strip 4 in housing, thus the inner space of housing is separated into the first hothouse 6a and secondary drying chamber 6b.Demarcation strip 4 being formed the connected entrance 5 for connection the first hothouse 6a and secondary drying chamber 6b, can enter into the first hothouse 6a from secondary drying chamber 6b so that being dried gas.Although as it can be seen, the first hothouse 6a and secondary drying chamber 6b arranges up and down but it also may there is other arrangement form.Housing includes body 2, upper cover (or lid) 3 and base plate 4a, and wherein, the upper part of body 2, upper cover 3 and demarcation strip 4 constitute the first hothouse 6a, and the lower part of body 2, demarcation strip 4 and base plate 4a constitute secondary drying chamber 6b.But, housing can be formed by multiple parts or constructed in various ways, such as, the upper part of body 2 can be integrally formed with demarcation strip 4, wherein, by the bottom used above as the first hothouse 6a of demarcation strip, and the lower part of body 2 is fixed on demarcation strip, wherein, by the top used below as secondary drying chamber 6b of demarcation strip.Furthermore it is also possible to the lower part of body 2 be integrally formed with demarcation strip 4 or base plate, or cancel base plate 4a, body 2 is arranged on the B of ground etc..
As shown in the figure, the upper cover 3 of housing is respectively provided with and introduces the charging aperture 8 of mud to be dried to be dried and be dried the tail gas of mud or the air vent 10 of dry gas for discharging, and on the end wall of the upper part away from the body 2 near the demarcation strip 4 of charging aperture 8, be provided with the discharging opening 9 for the mud being dried.In a further embodiment, as required the charging aperture 8 or air vent 10 that are used for the first hothouse 6a can be arranged on the optional position in one of them of body 2 and upper cover 3, namely the optional position of the upper part of the first hothouse 6a.Equally, discharging opening 9 can be arranged on the optional position of the circumferential wall including sidewall and end wall of the upper part of body 2, namely the optional position of the circumferential wall of the first hothouse 6a.
Demarcation strip 4 can be formed one or more connected entrance 5.As it is shown on figure 3, be formed with multiple difform connected entrance 5 on demarcation strip 4, it can include trapezoidal 5a, rectangle 5b, polygon 5c, and pentagon, circle, T-shaped etc..The shape of connected entrance is not limited only to the geometry of shown rule, it is also possible to have irregular geometry, and, these difform connected entrances can be randomly distributed in any position on demarcation strip 4.In other words, connected entrance 5 does not limit in quantity, shape and queueing discipline, can be as desired to determine.
Figure 4 illustrates the preferred embodiment arranging two turning device 7a, 7b for stirring mud in the first hothouse 6a, wherein, two turning devices 7a, 7b are parallel to each other and horizontally disposed along the longitudinal direction G of housing.Each turning device 7a, 7b have rotary shaft 701a, 701b and fixing multiple assembly 702a, 702b of stirring for stirring mud on the rotating shaft, and each turning device 7a, 7b can have varying number or heteroid stir assembly 702a, 702b.Fig. 5 shows the preferred embodiment of the turning device of the present invention, wherein, turning device 7 have rotary shaft 701 and be fixed in rotary shaft 701 stir assembly 702a, 702b, 702c and 702d for stirring the multiple of mud.From the turning device shown in Fig. 4 to stir assembly different, these stir assembly and are respectively provided with different configuration or shape.Stirring assembly 702a and include four blades or ratchet 703a, and stir assembly 702b and include three blades or ratchet 703b, they are similar to the blade of propeller on profile, and one of them blade or ratchet can long than other.Stirring assembly 702c and have the plate-like being similar to gear, wherein, the periphery at disc portion has outwardly directed protuberance or short blade or ratchet 703c.Stir assembly 702d and include two blades or ratchet 703d.Extend radially outward as it can be seen, each stirs the blade on assembly 702a, 702b, 702c and 702d or ratchet from the axis of rotary shaft 701.But, the shape stirring assembly 702 is not limited only to this, can will stir assembly and be designed to various configuration, in order to stir mud as required.One or more assembly 702 that stirs can be set in rotary shaft 701, and each stirring can include one or more blade or ratchet 703 on assembly 702.Each multiple blades stirred on assembly 702 or ratchet 703 can be differing from each other from the length that rotary shaft 701 is extended, and multiple at least one stirred in assembly 702a is stirred assembly and can be had a blade or ratchet that length is longer, and other stirs assembly and can have the shorter blade of length or ratchet.Although blade or ratchet in diagram are soldered in rotary shaft 701, but can also use such as other fixed forms such as bolt, rivetings, additionally, afterwards axle ring etc. can also be arranged in rotary shaft 701 formation stir assembly by blade or ratchet being attached or secured on axle ring, axle sleeve or wheel hub (not shown).As it is shown on figure 3, the two ends of rotary shaft 701a are arranged on by such as bearing in one of them hole 201a and 201b in the opposite end walls of the first hothouse 6a respectively.The shape of body 2 is rectangular but it also may be square, polygon, ellipse or other shape.External impetus equipment (not shown) can drive turning device 7a or 7b, as shown in Figure 1 by the power input arranged on one end of rotary shaft 701a or 701b.
In two turning devices 7a, the 7b being arranged side by side, the first of the first turning device 7a stirs assembly and rotates around the first rotary shaft 701a, and the second of the second turning device 7b stirs assembly around the second rotary shaft 701b.First can be made to stir assembly and second stir assembly and be arranged opposed to one another, and preferably, make they interlaced layouts, namely first in rotary shaft 701a one first stir the blade of assembly or the top of ratchet and stir between assembly adjacent to the second rotary shaft and at two adjacent second, otherwise and the most such.First stirs assembly and second stirs the interlaced arrangement of assembly and is conducive to shortening the distance between axles between the first rotary shaft 701a and the second rotary shaft 701b, makes the compact overall structure of mud drying device.In another embodiment, two turning devices 7a, 7b being arranged side by side can also use the form of upper and lower layout, in hole 201a and 201b that the upper and lower position that two rotary shafts 701a, the two ends of 701b can be separately positioned in the opposite end walls of the first hothouse 6a is formed.
In another embodiment, multiple connected entrances 5 are arranged on demarcation strip 4 in groups, and often have multiple connected entrance to be distributed at certain intervals on the longitudinal direction of housing in group, and, the connected entrance 5 often organized can with each turning device or its to stir assembly corresponding.For the mud that moisture content is higher, owing to it has viscosity characteristic strong, that easily caking, difficulty crush, therefore, mud is carried out shovel cut along with stirring assembly, stir and extrude, the thickness of the sludge blanket near connected entrance 5 on demarcation strip can constantly change, thus be conducive to being dried gas and enter in the first hothouse 6a through connected entrance 5 the weaker position that penetrates sludge blanket.If in being transported to the first hothouse 6a being the mud of the relatively low large grained of moisture content, along with stirring assembly, mud is sheared, broken and stir and enter the desiccation of dry gas of the first hothouse 6a, granular mud gradually becomes the mud of granular and its moisture content is significantly reduced.
As it can be seen, rotary shaft 701a of the first turning device 7a and the second turning device 7b with can be respectively equipped with the power input being connected with actuating device (not shown) on one end of 701b.By external impetus device drives actuating device, and actuating device drives rotary shaft 701a and 701b to rotate successively.Such as, the power input in rotary shaft 701a and 701b can be gear or belt pulley, and by actuator drives rotary shaft 701a and 701b, thus another rotary shaft can be driven to rotate.First rotary shaft 701a and the second rotary shaft 701b both can rotate the most in the opposite direction, it is also possible to rotate the most in the same direction.
Figure 6 illustrates a preferred embodiment of secondary drying chamber, wherein, secondary drying chamber 6b includes the air inlet 15 being arranged on the sidewall of the lower part of body 2, namely the air inlet 15 on the sidewall of secondary drying chamber 6b, enter in secondary drying chamber 6b being used in the dry gas of mud to be dried.Air inlet can be one or more, and can also be arranged on end wall or the base plate 4a of secondary drying chamber 6b.Although connected entrance 5 is conducive to being dried gas (as shown by arrows) entrance the first hothouse 6a below demarcation strip 4, it is dried the chance that gas contacts with mud to increase, but after mud to be dried is thrown in and is deposited in from charging aperture 8 on the demarcation strip 4 in first hothouse 6a, along with the effect stirring and being dried gas stirring assembly 702a, 702b of turning device 7a, 7b, some mud may be had to be dropped from the first hothouse 6a by connected entrance 5 or leak in secondary drying chamber 6b.In order to avoid mud deposits, base plate 4a forms clean-up port 15a, to be discharged from secondary drying chamber 6b by mud.As it can be seen, housing is lifted away from ground by support means and makes base plate 4a leave ground a certain distance h, in order to mud is removed below housing.In another embodiment, clean-up port 15a can be arranged on the optional position of the circumferential wall including sidewall and end wall of the lower part of the body 2 on base plate 4a or ground, namely the optional position of the circumferential wall of secondary drying chamber 6b.Leak into the dry gas that the mud in secondary drying chamber 6b can be entered in secondary drying chamber 6b to be dried again or redrying, to reduce the moisture content of mud further.Alternatively, it is also possible to form discharge port on the sidewall of the lower part of body 2 and block the demountable panel of discharge port.Once in secondary drying chamber 6b, mud is too much, then can take off demountable panel by sludge removal, thus the flowing being dried gas in ensureing secondary drying chamber 6b is unobstructed.In order to keep the opposing seal of secondary drying chamber 6b, sideboard can be set at the 15a of clean-up port, not leak so that being dried gas, and when discharging mud, sideboard is opened.
Seeing Fig. 2, mud drying device 1 may be included in the unshowned air-blast device of Fig. 1 12, and wherein, air-blast device 12 connects with secondary drying chamber 6b with air inlet 15 through pipeline 12a, in order to be blown in secondary drying chamber 6b by dry gas.Equally, mud drying device 1 can also include blower unit 13, and wherein, blower unit 13 connects with the first hothouse 6a with the air vent 10 on the top being positioned at housing through pipeline 13a.The dry gas being transported in secondary drying chamber 6b 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 is the dry medium of formulated.Air-blast device 12 can be used to improve dry gas and flows into the speed in secondary drying chamber 6b, and blower unit 13 can accelerate the tail gas outflow from the first hothouse 6a.Typically, air-blast device can be aerator or fan, and blower unit can be air-introduced machine.Alternatively, it is also possible to substitute air-blast device 12 with pressurizer, so that dry gas is transported to secondary drying chamber 6b with certain pressure, accelerate to flow into the first hothouse 6a so that being dried gas.Equally substitute the blower unit 13 flow velocity with quickening tail gas with decompressor, thus improve sludge drying efficiency.
In order to accelerate being dried of mud, the dry gas being transported in secondary drying chamber 6b can be heated.Heater (not shown) 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.Mud therein can also be dried again in the dry gas of heating is transported to secondary drying chamber 6b by air-blast device or pressurizer.At the dry gas of heating to dropping or leaking into while the mud in secondary drying chamber 6b carries out redrying, a part of heat therein can also be passed to, by body 2 that metal material is made and demarcation strip 4, the sludge blanket that is laid on demarcation strip 4, so that the mud in the first hothouse 6a to play the effect of auxiliary mummification.
Fig. 7 schematically shows another embodiment of the bottom dry type mud drying device of the demarcation strip with curved surface of the present invention, and Fig. 8 shows the schematic perspective view of the demarcation strip in Fig. 7, and it also illustrates that an end wall of the first hothouse.Fig. 7 and 8 only illustrates the part different from previous embodiment, and same or similar structure and parts are presented with like reference characters, and identical effect applicant will not be described in great detail, and only describes different parts or structure.
See Fig. 1-4, when using flat or that there is flat upper surface demarcation strip, the mud being deposited on demarcation strip 4 is along with the shearing stirring assembly 702a, 702b of turning device 7a, 7b in the first hothouse 6a, stir and the region of the broken joint portion more or less can deposited between the top of body 2 and demarcation strip 4, blade or ratchet are difficult to the position arrived, thus affect the efficiency of mud drying device.Therefore, the upper surface of demarcation strip is designed to curved surface contribute to reducing mud alluvial in the first hothouse 6a.Fig. 7 shows the partial transverse sectional view of another embodiment of the bottom dry type mud drying device of the present invention of the demarcation strip with curved surface, wherein represents the structure at demarcation strip.As it can be seen, demarcation strip is twisted plate, and in another embodiment, demarcation strip can be the plate of the upper surface with bending.In the figure 7, horizontal direction at the longitudinal direction G being transverse to housing, demarcation strip 4 can be the plate being bent downwardly or having recessed upper surface on cross section, namely the curved section of recessed portion is downwardly projected towards secondary drying chamber 6b from the first hothouse 6a, in other words, the first hothouse 6a has the bottom of indent.Thus, demarcation strip is shown as recessed area at the longitudinal direction G of housing, say, that the bottom of the first hothouse 6a has recessed area.As it can be seen, the demarcation strip 4 of curved surface is recessed towards the region of each turning device of two turning devices 7a, 7b, the most each recessed area is corresponding with stirring assembly 702a or 702b, and recessed area can be circular arc.Generally being sized to from the axis of rotary shaft to the distance on the top of the blade or the blade of ratchet or longer or ratchet stirring assembly less than the bending radius of the recessed portion of the demarcation strip of curved surface, as shown in hole 201a, 201b of the installation rotary shaft on end wall of turning device.Fig. 8 shows the Local map of the mud drying device of Fig. 7, the i.e. axonometric chart of the end wall of demarcation strip and the first hothouse, wherein, in two recessed area of the first hothouse 6a, it is respectively disposed with the multiple connected entrances 5 being separated from each other certain distance, and the spacing distance between each connected entrance 5 can be different.Fig. 9 shows two turning devices 7a, the 7b being disposed side by side in the first hothouse, and wherein, each turning device 7a, 7b are corresponding with corresponding recessed area.As shown in Fig. 4, stir assembly 702a, 702b of two turning devices 7a, 7b can be different from each other at structure and quantity.
See Fig. 1 and 2, it is possible to use the bottom dry type mud drying device 1 of the monomeric form of the present invention carries out drying and other treatment to mud.Along with mud to be dried is fed in the first hothouse 6a by unshowned conveyer device, external impetus equipment drives rotary shaft to rotate by actuating device and power input, and then drive is stirred assembly and rotated.Each blade or the ratchet that stir assembly constantly stir mud.Stir assembly to the continuous shear stress of mud and broken while, air-blast device 12 feeds dry gas into secondary drying chamber 6b through pipeline 12a and air inlet 15.The flowing velocity being dried gas entrance secondary drying chamber 6b is associated with the air supply velocity of air-blast device.Along with stirring the blade of assembly or the ratchet shearing to mud, broken and stir in the first hothouse 6a, the granularity of mud constantly produces change so that mud gradually powder, thus the degree of drying of mud also improves constantly.After completing being dried of mud, it is dried gas be fed in air by the blower unit 13 air vent 10 and pipeline 13a through being positioned at the top of the first hothouse 6a or gas handling system is to carry out subsequent treatment.Significantly reduce through its moisture content of dried mud and discharge from discharging opening 9.
Particularly when the demarcation strip of the curved surface used in the mud drying device of improvement of Fig. 7 and 8, owing to the rotational trajectory stirring assembly of the demarcation strip 4 of the curved surface recessed arch section near connected entrance 5 with turning device matches, therefore, the mud dug falls back near connected entrance readily along the recessed arch section of demarcation strip.This also avoids and deposit near mud intersection between the demarcation strip 4 of the upper part peace of body 2.
Dropped from the first hothouse 6a by connected entrance 5 to clear up or leak into the mud secondary drying chamber 6b, the sideboard at the 15a of clean-up port can be opened in good time, by means of the dry gas in secondary drying chamber 6b, mud being discharged from clean-up port 15a.If mud is piled up too much, by opening the demountable panel on the sidewall of secondary drying chamber 6b, mud can be removed by discharge port, thus in ensureing secondary drying chamber 6b, be dried the smooth outflow of gas.
Hot drying gas is generally used to be dried mud in the bottom dry type mud drying device of monomeric form, thus, heating devices heat can be passed through, and be transported in secondary drying chamber 6b by the dry gas of heat by air-blast device, or use the dry gas that carried by air-blast device through the form of heater.
In addition, as illustrated in figures 1 and 7, in order to be favorably improved the drying effect of mud, advantageously, charging aperture 8 on upper cover 3 is arranged close to one end of housing, and discharging opening 9 is positioned at the other end of housing, and air vent 10 is arranged on one end identical with charging aperture 8, and, turning device 7a, 7b employing is a kind of not only can stir mud but also can promote mud turning device of movement on the longitudinal direction G of housing.When mud to be dried is transported to the first hothouse 6a from charging aperture 8 and is laid on demarcation strip 4, along with entering the dry gas of the first hothouse 6a through connected entrance 5 from secondary drying chamber 6b, mud is continued drying out effect and the tipping effect of turning device 7a, 7b, 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 7a, 7b.Therefore, the driest the closer to the mud of discharging opening 9, and be dried gas and when connected entrance 5 enters the first hothouse 6a, just become more smooth and easy in its vicinity.Therefore, the dry gas near discharging opening 9 can also produced desiccation to charging aperture to the upper surface of mud by discharging opening along the longitudinal direction G of housing after 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, those skilled in the art completely can be changed by all parts in the above-mentioned design philosophy of the present invention bottom dry type mud drying device to the present invention or device and be retrofited, and these changes or remodeling are all within the concept of the present invention.
Claims (18)
1. a bottom dry type mud drying device, described mud drying device includes:
Housing, wherein, is provided with demarcation strip in described housing, so that the space in described housing is separated into the first hothouse and secondary drying chamber；
It is arranged on the charging aperture for mud to be dried on the top of described first hothouse and for discharging the air vent of the dry gas being dried mud, and the discharging opening for dried mud being arranged on the circumferential wall of described first hothouse；
At least one air inlet of the dry gas for mud to be dried being arranged on the circumferential wall of described secondary drying chamber or bottom；
At least one connected entrance being formed on described demarcation strip；And
At least one the mud turning device being arranged in described first hothouse, wherein, at least one mud turning device described include rotary shaft and be fixed in described rotary shaft at least one stir assembly, wherein, described at least one stir assembly for stirring mud.
Mud drying device the most according to claim 1, it is characterised in that described demarcation strip upper surface in described first hothouse is plane or curved surface.
Mud drying device the most according to claim 1 and 2, it is characterised in that it also includes the clean-up port for clearing up mud, and wherein, described clean-up port can be arranged on circumferential wall or the bottom of described secondary drying chamber.
4. according to the mud drying device according to any one of claim 1-3, it is characterized in that, the demarcation strip of described curved surface region of at least one mud turning device described faced by the first hothouse has recessed portion, and at least one connected entrance described is formed at described recessed portion.
5. according to the mud drying device according to any one of claim 1-4, it is characterised in that the described recessed portion of the demarcation strip of described curved surface is arc.
6. according to the mud drying device according to any one of claim 1-5, it is characterised in that at least one connected entrance described on described demarcation strip has regular or irregular shape.
7. according to the mud drying device according to any one of claim 1-6, it is characterised in that at least one connected entrance described includes multiple connected entrance, and wherein, the plurality of connected entrance is respectively provided with different shapes and is distributed regularly on described demarcation strip.
8. according to the mud drying device according to any one of claim 1-7, it is characterised in that at least one connected entrance described includes multiple connected entrance, and wherein, the plurality of connected entrance is respectively provided with different shapes and is distributed brokenly on described demarcation strip.
9. according to the mud drying device according to any one of claim 1-8, it is characterized in that, described turning device described at least one stir assembly and be provided with at least one blade or ratchet, wherein, at least one blade described or ratchet extend radially outwardly out from the axis of described rotary shaft.
10. according to the mud drying device according to any one of claim 1-9, it is characterised in that it also includes air-blast device, and wherein, described air-blast device connects with described secondary drying chamber through at least one air inlet described.
11. according to the mud drying device according to any one of claim 1-10, it is characterised in that it also includes that the heater for heat drying gas, wherein said heater are positioned at upstream or the downstream of described air-blast device.
12. according to the mud drying device according to any one of claim 1-11, it is characterised in that it also includes blower unit, and wherein, described blower unit connects with described first hothouse through described air vent.
13. according to the mud drying device according to any one of claim 1-12, it is characterized in that, at least one mud turning device described includes multiple turning device, wherein, at least two turning device in the plurality of turning device each has multiple assembly that stirs, and multiple the first of the first turning device of described at least two turning device stirs multiple the second of assembly and the second turning device and stir assembly layout interlaced with each other.
14. according to the mud drying device according to any one of claim 1-13, it is characterized in that, the plurality of the first of described first mud turning device stirs the top of at least one blade that at least one in assembly stir on assembly or ratchet and adjacent to the rotary shaft of described second turning device and stirs between assembly the plurality of second stir assembly two adjacent described second, or in contrast.
The sludge drying processing method of 15. 1 kinds of mud drying devices used according to any one of the claims, said method comprising the steps of:
By the charging aperture for mud to be dried being provided above at housing, mud is sent in the first hothouse；
The assembly that stirs utilizing the turning device being arranged in described first hothouse rotates about it axle rotation to stir mud；
The air inlet being dried the gas dry gas for mud to be dried by secondary drying chamber is made to enter described secondary drying chamber；
Make to be dried gas and enter in described first hothouse by the connected entrance on demarcation strip, to contact with mud；
The discharging opening making the gas of dewatered sludge and the mud of the mummification air vent by the gas for dewatered sludge respectively and the mud for mummification is discharged；And
The mud dropped to by connected entrance in described secondary drying chamber is removed from the clean-up port being used for clearing up mud.
16. sludge drying methods according to claim 15, it is characterised in that its step also including blowing dry gas: blow dry gas by air-blast device and can make to be dried gas at least one air inlet described enters described secondary drying chamber.
17. according to the sludge drying method described in claim 15 or 16, it is characterized in that, it also includes the step of heat drying gas: described dry gas is transported to heater, and wherein, described heater is to entering described air-blast device or leaving the dry gas of described air-blast device and heat.
18. according to the sludge drying method according to any one of claim 15-17, it is characterised in that its step also including drawing dry gas: by blower unit, from described air vent, the dry gas after dry mud is drawn described first hothouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006479.4A CN105819647A (en) | 2015-01-07 | 2015-01-07 | Bottom drying-type sludge drying device and bottom drying-type sludge drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10408538B2 (en) | 2015-01-07 | 2019-09-10 | Guangzhou Environmental Creative Solutions Co Ltd | Bottom-drying sludge drying device and method |
| CN112479545A (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 |
| 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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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10408538B2 (en) | 2015-01-07 | 2019-09-10 | Guangzhou Environmental Creative Solutions Co Ltd | Bottom-drying sludge drying device and method |
| CN112479545A (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 |
| 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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