CN204529629U - Bottom drying type mud drying device - Google Patents

Abstract

The utility model provides a kind of bottom drying type mud drying device, and it comprises housing, in housing, be provided with division plate, so that the separated by spaces in housing is become the first kiln and secondary drying chamber.Be arranged on the opening for feed for mud to be dried on the top of the first kiln and the venting port for the dry gas of discharging sludge-drying, and be arranged on the discharge port for dried mud on the circumferential wall of the first kiln.Be arranged on the inlet mouth of the dry gas for mud to be dried on the circumferential wall of secondary drying chamber or bottom.Be formed in the connected entrance on division plate.And the mud turning device be arranged in the first kiln, wherein, mud turning device comprise rotation axis and fixing on the rotating shaft stir assembly, stir assembly and be used for stirring mud.

Description

Bottom drying type mud drying device

Technical field

The utility model relates to sludge drying field, in particular to a kind of bottom drying type mud drying device of monomeric form.

Background technology

Sewage work usually produces a large amount of mud after processing sewage.These mud generally adopt method that is concentrated or dehydration to carry out process in early stage, the water ratio of mud is reduced to 60-80% from more than 90%, can carry out landfill, solidification or drying and other treatment afterwards to processed mud.Landfill easily makes sludge fermentation and causes the secondary pollution to environment, and solidification or drying equipment due to the low and energy consumption of efficiency large, reduced training difference and be difficult to implement subsequent disposal.

Chinese invention patent (CN101186422A) proposes a kind of enclosed multi-chamber fluidized bed drying method for sludge.The fluidized-bed adopted in this method not only expends the energy and efficiency is very low, is difficult to realize continuously and large-scale sludge drying process.

To be submitted to by the applicant and the Chinese utility model patent of authorizing (CN201000261Y) proposes a kind of mud low-temperature drier.Although this drying installation realizes certain mud decrement, expend time in length, therefore not only consumed the energy but also do not reached the object of raising mummification efficiency of expection.

Chinese utility model patent (CN203319838U) proposes a kind of sludge solidification processing agitator.This stirrer, by stirring mud and dry powder blend to realize the solidification of mud, is not only removed the moisture in mud, be 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 be laid in mud on step type drying table and from side direction and bottom transporting compressed gas body, and mud is moved by pressurized gas.Therefore, this drying machine needs to consume a large amount of energy, and drying table more multimachine body is larger, floor space greatly, is difficult to realize large-scale sludge drying process.

Therefore, need to provide the mud drying device that a kind of energy consumption is low, volume is little, decrement is large.

Summary of the invention

In order to overcome the deficiencies in the prior art, present applicant has proposed a kind of bottom drying type mud drying device of monomeric form.In mud drying device of the present utility model, because the turning device in kiln is to continuous shear stress, the fragmentation of mud with stir, mud is frequently contacted with dry gas, thus solves the uneven problem of the inside and outside portion degree of drying that occurs in drying sludge process.

In mud drying device of the present utility model, dry gas carries out drying by the connected entrance formed on the division plate separating the first kiln and secondary drying chamber arranged in housing from bottom to mud.Along with turning device is to shearing, the fragmentation of mud with stir, the granularity of mud constantly changes, and causes the mobility of mud to strengthen, thus is conducive to dry gas and enters the first kiln.

In mud drying device of the present utility model, improve by air-blast device the speed that dry gas enters the first kiln, thus accelerate the velocity of flow of dry gas, promotion dry gas fully contacts with mud, improves mummification efficiency.

In mud drying device of the present utility model, improve the drying efficiency of mud by arranging the heating of heating unit to dry gas.

In mud drying device of the present utility model, by arranging at least two turning devices be arranged side by side in the first kiln, wherein, at least two turning devices multiple stir assembly can staggered arrangement each other, not only increase the drying efficiency of mud drying device, but also make the total of mud drying device compacter.

Mud drying device of the present utility model is monomeric form substantially, and it has, and mummification efficiency is high, energy consumption is low, floor space is little, decrement is large and adaptable feature, is applicable to the needs of existing market completely.Because in densely populated city, the setting of sewage work comparatively disperses, therefore, the mud drying device of this monomeric form just can be configured when seldom changing the equipment in existing sewage work.

What mud drying device of the present utility model utilized the turning device arranged in the first kiln stirs that assembly is constantly sheared, the broken and mud that stirs in the first kiln, and mud is fully contacted with dry gas.Mud drying device of the present utility model and method can solve strong, the easy caking of viscosity of mud and a difficult problem for difficulty fragmentation, not only significantly remove the moisture in mud, and change the particulate state of mud into granular, thus improve the mummification efficiency of mud, reduce energy consumption simultaneously.

Accompanying drawing explanation

The structure of the technical solution of the utility model, advantage and technique effect is described in detail below in conjunction with accompanying drawing and specific embodiment, wherein:

Fig. 1 is the partial lengthwise sectional view of bottom of the present utility model drying type mud drying device;

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 kiln of the mud drying device of Fig. 1;

Fig. 4 represents the schematic perspective view of the turning device in setting the first kiln in figure 3;

Fig. 5 is the schematic perspective view of 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 another embodiment of bottom of the present utility model drying type mud drying device;

Fig. 8 is the schematic perspective view of the division plate of curved surface in Fig. 7; And

Fig. 9 represents the schematic perspective view of the turning device in setting the first kiln in the figure 7.

Embodiment

Fig. 1 and 2 schematically shows a preferred embodiment of bottom of the present utility model drying type mud drying device respectively with the form longitudinally cut open and laterally cut open.As shown in the figure, bottom of the present utility model drying type mud drying device 1 is monomeric form generally and it includes housing, wherein, is provided with division plate 4 in housing, thus the internal space of housing is separated into the first kiln 6a and secondary drying chamber 6b.Division plate 4 being formed the connected entrance 5 for being communicated with the first kiln 6a and secondary drying chamber 6b, entering into the first kiln 6a to enable dry gas from secondary drying chamber 6b.As shown in the figure, although the first kiln 6a and secondary drying chamber 6b arranges also can have other arrangement form up and down.Housing comprises body 2, upper cover (or lid) 3 and base plate 4a, and wherein, the upper part of body 2, upper cover 3 and division plate 4 form the first kiln 6a, and the lower part of body 2, division plate 4 and base plate 4a form 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 division plate 4, wherein, by the bottom being used as the first kiln 6a of division plate, and the lower part of body 2 is fixed on division plate above, wherein, the top of secondary drying chamber 6b will be used as below division plate.In addition, the lower part of body 2 and division plate 4 or base plate can also be integrally formed, 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 equipped with for introducing to be dried or wanting the opening for feed 8 of dry mud and the venting port 10 for the tail gas of discharging sludge-drying or dry gas, and on the end wall of the upper part away from the body 2 near the division plate 4 of opening for feed 8, is provided with the discharge port 9 for dry mud.In a further embodiment, can as required by be arranged on for the opening for feed 8 of the first kiln 6a or venting port 10 body 2 and upper cover 3 one of them on optional position, the also optional position of the i.e. upper part of the first kiln 6a.Equally, discharge port 9 can be arranged on the optional position comprising the circumferential wall of sidewall and end wall of the upper part of body 2, is also the optional position of the circumferential wall of the first kiln 6a.

Division plate 4 can be formed one or more connected entrance 5.As shown in Figure 3, division plate 4 is formed with multiple difform connected entrance 5, it can comprise trapezoidal 5a, rectangle 5b, Polygons 5c, and pentagon, circle, T-shaped etc.The shape of connected entrance is not limited only to the geometrical shape of shown rule, can also have irregular geometrical shape, and these difform connected entrances at random can be distributed in any position on division plate 4.In other words, connected entrance 5 is not restriction in quantity, shape and queueing discipline, can determine as required.

Figure 4 illustrates and arrange two for stirring the preferred embodiment of turning device 7a, 7b of mud in the first kiln 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 rotation axis 701a, 701b and fixing on the rotating shaft stir assembly 702a, 702b for stirring the multiple of mud, and each turning device 7a, 7b can have different quantities or heteroidly stir assembly 702a, 702b.Fig. 5 shows the preferred embodiment of turning device of the present utility model, and wherein, turning device 7 has rotation axis 701 and is fixed on rotation axis 701 stirs 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 have different structure or shape respectively.Stir 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 water screw on profile, and one of them blade or ratchet can than other length.Stir assembly 702c and there is the plate-like being similar to gear, wherein, have outwardly directed protuberance or short blade or ratchet 703c at the periphery of disc portion.Stir assembly 702d and include two blades or ratchet 703d.As shown in the figure, each stirs blade on assembly 702a, 702b, 702c and 702d or ratchet radially stretches out from the axis of rotation axis 701.But the shape stirring assembly 702 is not limited only to this, as required, can will stir component design and become various configuration, to stir mud.Rotation axis 701 can be arranged and one or morely stir assembly 702, and each stirring on assembly 702 can comprise one or more blade or ratchet 703.Eachly stir multiple blade on assembly 702 or ratchet 703 can be differing from each other from the length that rotation axis 701 extends, and at least one stirring in assembly 702a multiple is stirred assembly and can be had the blade or ratchet that length is longer, and other stirs blade or ratchet that assembly can have length shorter.Although be soldered on rotation axis 701 at illustrated blade or ratchet, but also can adopt as other fixed form such as bolt, riveted joint, in addition, by blade or ratchet are connected or be fixed on the axle collar, axle sleeve or wheel hub (not shown), afterwards the axle collar etc. can also be arranged on formation on rotation axis 701 and stir assembly.As shown in Figure 3, the two ends of rotation axis 701a are arranged on respectively by such as bearing in one of them hole 201a and 201b in the opposite end walls of the first kiln 6a.The shape of body 2 is rectangular, but also can be square, Polygons, ellipse or other shape.External impetus equipment (not shown) can drive turning device 7a or 7b by the power input arranged on one end of rotation axis 701a or 701b, as shown in Figure 1.

In two turning devices 7a, the 7b be arranged side by side, first of the first turning device 7a stirs assembly and rotates around the first rotation axis 701a, and second of the second turning device 7b stirs assembly around the second rotation axis 701b.First can be made to stir assembly and second stir arrangement of components and become toward each other, and preferably, make their interlaced layouts, namely also one first on the first rotation axis 701a is stirred the blade of assembly or contiguous second rotation axis in top of ratchet and stirs between assembly at two adjacent second, otherwise and also like this.First stirs the between centers that assembly and the second staggered arrangement stirring assembly be conducive between shortening first rotation axis 701a and the second rotation axis 701b, makes the compact overall structure of mud drying device.In another embodiment, two turning devices 7a, 7b being arranged side by side also can adopt the form of upper and lower layout, and the two ends of two rotation axiss 701a, 701b can be separately positioned in hole 201a and 201b of the upper and lower position formation in the opposite end walls of the first kiln 6a.

In another embodiment, multiple connected entrance 5 is arranged in groups on division plate 4, and often has multiple connected entrance to distribute at certain intervals on the longitudinal direction of housing in group, and the connected entrance 5 often organized can to stir assembly corresponding with each turning device or its.For the mud that water ratio is higher, because it has, viscosity is strong, the characteristic of easily caking, difficult fragmentation, therefore, shovel is carried out to mud cut along with stirring assembly, stir and extrude, the thickness of the sludge blanket near the connected entrance 5 on division plate can constantly change, thus is conducive to dry gas through connected entrance 5 and penetrates the weaker position of sludge blanket and enter in the first kiln 6a.If being transported in the first kiln 6a is the mud of the large grained that water ratio is lower, along with stirring assembly, mud is sheared, broken and stir and enter the desiccation of dry gas of the first kiln 6a, the granular mud mud that pulverize is granular gradually and its water ratio are significantly reduced.

As shown in the figure, the first turning device 7a can be respectively equipped with on one end of rotation axis 701a with 701b of the second turning device 7b the power input be connected with transmission mechanism (not shown).By external impetus device drives transmission mechanism, and transmission mechanism drives rotation axis 701a and 701b to rotate successively.Such as, the power input on rotation axis 701a and 701b can be gear or belt pulley, and can by actuator drives rotation axis 701a and 701b, thus drive another rotation axis to rotate.First rotation axis 701a and the second rotation axis 701b both can rotate relative to each other in the opposite direction, also can rotate in the same direction together.

Figure 6 illustrates a preferred embodiment of secondary drying chamber, wherein, secondary drying chamber 6b comprises the inlet mouth 15 on the sidewall of the lower part being arranged on body 2, inlet mouth 15 on the sidewall of Ye Ji secondary drying chamber 6b, enters into secondary drying chamber 6b with the dry gas being used in mud to be dried.Inlet mouth can be one or more, and on the end wall that can be arranged on secondary drying chamber 6b or base plate 4a.Although connected entrance 5 is conducive to dry gas (as shown by arrows) enter the first kiln 6a below division plate 4, to increase the chance that dry gas contacts with mud, but after mud to be dried is thrown in from opening for feed 8 and is deposited on the division plate 4 in the first kiln 6a, stir stirring and the effect of dry gas of assembly 702a, 702b along with turning device 7a, 7b, some mud may be had to be dropped from the first kiln 6a by connected entrance 5 or to leak in secondary drying chamber 6b.In order to avoid mud alluvial, base plate 4a forms clean-up port 15a, to be discharged from secondary drying chamber 6b by mud.As shown in the figure, housing is lifted away from ground by bracing or strutting arrangement and makes base plate 4a leave the certain distance h in ground, to be removed below housing by mud.In another embodiment, clean-up port 15a can be arranged on the optional position comprising the circumferential wall of sidewall and end wall of the lower part of the body 2 on base plate 4a or ground, the optional position of the circumferential wall of Ye Ji secondary drying chamber 6b.Leaking into mud in secondary drying chamber 6b can by the dry gas dry or redrying again entered in secondary drying chamber 6b, to reduce the water ratio of mud further.In addition, also can form discharge opening on the sidewall of the lower part of body 2 and block the demountable panel of discharge opening.Once mud is too much in secondary drying chamber 6b, then can take off demountable panel by sludge removal, thus ensure that the flowing of secondary drying chamber 6b inner drying gas is unobstructed.In order to keep the opposing seal of secondary drying chamber 6b, shifting board can being set at 15a place, clean-up port, to make dry gas not leak, and when discharging mud, shifting board being opened.

See Fig. 2, mud drying device 1 can be included in the unshowned air-blast device 12 of Fig. 1, and wherein, air-blast device 12 is communicated with secondary drying chamber 6b with inlet mouth 15 through pipeline 12a, to be blown in secondary drying chamber 6b by dry gas.Equally, mud drying device 1 can also comprise blower unit 13, and wherein, blower unit 13 is communicated with the first kiln 6a with the venting port 10 on the top being positioned at housing through pipeline 13a.The dry gas be transported in secondary drying chamber 6b can be the drying medium as hot gas, gas, warm air, gas at normal temperature or frozen gas etc. containing chemical substance, also can be the drying medium of formulated.Air-blast device 12 can be used for improving the speed in dry gas inflow secondary drying chamber 6b, and blower unit 13 can accelerate the outflow of tail gas from the first kiln 6a.Typically, air-blast device can be gas blower or fan, and blower unit can be induced draft fan.In addition, also can substitute air-blast device 12 with supercharging device, so that dry gas is transported to secondary drying chamber 6b with certain pressure, thus make dry gas accelerate inflow first kiln 6a.Blower unit 13 can be substituted to accelerate the flow velocity of tail gas with reliever equally, thus improve sludge drying efficiency.

In order to accelerate the drying of mud, can the dry gas be transported in secondary drying chamber 6b be heated.Heating unit (not shown) can be arranged on separately upstream position or the downstream position of air-blast device, also can integrate with air-blast device.Dry gas through heating is transported in secondary drying chamber 6b can also carries out dry to mud wherein again by air-blast device or supercharging device.At the dry gas of heating to drop or while the mud leaked in secondary drying chamber 6b carries out redrying, the body 2 that a part of heat wherein also can be made by metallic substance and division plate 4 are passed to the sludge blanket be laid on division plate 4, to play auxiliary mummification to the mud in the first kiln 6a.

Fig. 7 schematically shows another embodiment with the bottom drying type mud drying device of the division plate of curved surface of the present utility model, and Fig. 8 shows the schematic perspective view of the division plate in Fig. 7, and it also indicates an end wall of the first kiln.Only illustrate in Fig. 7 and 8 and previous embodiment distinct portions, and same or similar structure represents with the identical Reference numeral of parts, and identical effect applicant will repeat no more, and only describe different parts or structure.

See Fig. 1-4, when adopting flat or that there is flat upper surface division plate, be deposited in the shearing of stirring assembly 702a, 702b of the mud on division plate 4 along with turning device 7a, the 7b in the first kiln 6a, to stir and fragmentation more or less can be deposited the region of the joint portion between the top of body 2 and division plate 4, blade or ratchet are difficult to the position arrived, thus affect the efficiency of mud drying device.Therefore, the upper surface of division plate is designed to curved surface contribute to reducing the alluvial of mud in the first kiln 6a.Fig. 7 shows the partial transverse sectional view of another embodiment of the bottom of the present utility model drying type mud drying device of the division plate with curved surface, wherein indicates the structure at division plate place.As shown in the figure, division plate is twisted plate, and in another embodiment, division plate can be the plate with bending upper surface.In the figure 7, be transverse to the seeing in a lateral direction of longitudinal direction G of housing, division plate 4 can be the plate being bent downwardly or having recessed upper surface on transverse section, also namely the segment of curve of recessed portion is given prominence to downwards from the first kiln 6a towards secondary drying chamber 6b, in other words, the first kiln 6a has the bottom of indent.Thus, division plate is shown as recessed area at the longitudinal direction G of housing, and that is, the bottom of the first kiln 6a has recessed area.As shown in the figure, the division plate 4 of curved surface is recessed towards the region of each turning device of two turning devices 7a, 7b, and preferably each recessed area is corresponding with stirring assembly 702a or 702b, and recessed area can be circular arc.The distance be sized to from the axis of rotation axis to the top of the blade or ratchet or longer blade or ratchet that stir assembly of usual turning device is less than the bending radius of the recessed portion of the division plate of curved surface, as shown in hole 201a, the 201b of the installation rotation axis on end wall.Fig. 8 shows the Local map of the mud drying device of Fig. 7, the i.e. stereographic map of an end wall of division plate and the first kiln, wherein, in two recessed area of the first kiln 6a, be furnished with the multiple connected entrances 5 being separated from each other certain distance respectively, and the spacing distance between each connected entrance 5 can be different.Fig. 9 shows two turning devices 7a, 7b being disposed side by side in the first kiln, and wherein, each turning device 7a, 7b are corresponding with corresponding recessed area.The same with 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, bottom drying type mud drying device 1 pair of mud of monomeric form of the present utility model can be utilized to carry out drying and other treatment.Along with mud to be dried is fed in the first kiln 6a by unshowned e Foerderanlage, external impetus equipment drives rotation axis to rotate by transmission mechanism and power input, and then assembly rotation is stirred in drive.Each blade or the ratchet that stir assembly constantly stir mud.Stir assembly to the continuous shear stress of mud and broken while, dry gas is transported to secondary drying chamber 6b through pipeline 12a and inlet mouth 15 by air-blast device 12.The air supply velocity of velocity of flow and air-blast device that dry gas enters secondary drying chamber 6b is associated.Along with stirring the blade of assembly or ratchet in the first kiln 6a to shearing, the fragmentation of mud with stir, the granularity of mud constantly changes, and make mud powder gradually, thus the degree of drying of mud also improves constantly.After the drying completing mud, dry gas is fed to air or gas treating system to carry out subsequent disposal by the venting port 10 and pipeline 13a of blower unit 13 through being arranged in the top of the first kiln 6a.After super-dry, its water ratio of mud significantly reduces and discharges from discharge port 9.

Particularly when the division plate of the curved surface in the mud drying device of improvement adopting Fig. 7 and 8, because the rotational trajectory stirring assembly of recessed arch section near connected entrance 5 of the division plate 4 of curved surface and turning device matches, therefore, easily fallen back near connected entrance along the recessed arch section of division plate by the mud dug.This also avoids near the intersection of mud between the division plate 4 of the upper part peace of body 2 and deposit.

To be dropped from the first kiln 6a by connected entrance 5 to clear up or to leak into the mud secondary drying chamber 6b, the shifting board at 15a place, clean-up port can be opened in good time, by means of the dry gas in secondary drying chamber 6b, mud is discharged from clean-up port 15a.If mud overheap, by the demountable panel opened on the sidewall of secondary drying chamber 6b, mud can be removed by discharge opening, thus ensure the smooth outflow of secondary drying chamber 6b inner drying gas.

In the bottom drying type mud drying device of monomeric form, usually use hot drying gas to carry out sludge-drying, 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 adopt the dry gas carried by air-blast device through the form of heating unit.

In addition, as illustrated in figures 1 and 7, in order to contribute to the drying effect improving mud, advantageously, opening for feed 8 on upper cover 3 is arranged to the one end near housing, and discharge port 9 is positioned at the other end of housing, and venting port 10 is arranged on one end identical with opening for feed 8, and turning device 7a, 7b adopt a kind of turning device that not only can stir mud but also can promote mud movement on the longitudinal direction G of housing.When mud to be dried to be transported to from opening for feed 8 first kiln 6a and to be laid on division plate 4, along with the lasting desiccation of dry gas to mud and the tipping effect of turning device 7a, 7b that enter the first kiln 6a through connected entrance 5 from secondary drying chamber 6b, the water ratio of mud can reduce gradually, and turning device 7a, 7b also progressively push mud to discharge port 9 while stirring mud.Therefore, the mud the closer to discharge port 9 is drier, and dry gas just becomes more smooth and easy in its vicinity when connected entrance 5 enters the first kiln 6a.Therefore, the dry gas near discharge port 9, producing desiccation to opening for feed to the upper surface of mud by discharge port along the longitudinal direction G of housing through after mud, thus, extends the duration of contact of dry gas and mud.

Although list preferred embodiment multiple in this application, but the utility model is not limited only to the content arrived mentioned by specification sheets, those skilled in the art completely can be changed all parts in the drying type mud drying device of bottom of the present utility model or device and retrofit by above-mentioned design philosophy of the present utility model, and these changes or remodeling are all within concept of the present utility model.

Claims (12)

1. a bottom drying type mud drying device, described mud drying device comprises:

Housing, wherein, is provided with the division plate of flat upper surface in described housing, so that the separated by spaces in described housing is become the first kiln and secondary drying chamber;

Be arranged on the opening for feed for mud to be dried on the top of described first kiln and the venting port for the dry gas of discharging sludge-drying, and be arranged on the discharge port for dried mud on the circumferential wall of described first kiln;

Be arranged at least one inlet mouth of the dry gas for mud to be dried on the circumferential wall of described secondary drying chamber or bottom;

Be formed at least one connected entrance on described division plate; And

Be arranged at least one the mud turning device in described first kiln, wherein, at least one mud turning device described comprises rotation axis and at least one being fixed on described rotation axis and stirs assembly, wherein, described at least one stir assembly and be used for stirring mud.

2. mud drying device according to claim 1, is characterized in that, it also comprises the clean-up port for clearing up mud, wherein, on the circumferential wall that described clean-up port can be arranged on described secondary drying chamber or bottom.

3. mud drying device according to claim 1, is characterized in that, at least one connected entrance described on described division plate has rule or irregular shape.

4. mud drying device according to claim 1, is characterized in that, at least one connected entrance described comprises multiple connected entrance, and wherein, described multiple connected entrance has different shapes respectively and distributes regularly on described division plate.

5. mud drying device according to claim 1, is characterized in that, at least one connected entrance described comprises multiple connected entrance, and wherein, described multiple connected entrance has different shapes respectively and distributes brokenly on described division plate.

6. mud drying device according to claim 1, 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 rotation axis.

7. mud drying device according to claim 1, it is characterized in that, at least one mud turning device described comprises multiple turning device, wherein, at least two turning devices in described multiple turning device each has and multiplely stirs assembly, and multiple first of the first turning device of described at least two turning devices stirs multiple second of assembly and the second turning device and stir assembly layout interlaced with each other.

8. mud drying device according to claim 7, it is characterized in that, described multiple first at least one stirring in assembly of described first mud turning device are stirred the rotation axis of contiguous described second turning device in top of at least one blade on assembly or ratchet and are stirred adjacent described second the stirring between assembly of two of assembly described multiple second, or in contrast.

9. mud drying device according to claim 1, is characterized in that, it also comprises air-blast device, and wherein, described air-blast device is communicated with described secondary drying chamber through at least one inlet mouth described.

10. the mud drying device according to claim 1 or 9, is characterized in that, it also comprises blower unit, and wherein, described blower unit is communicated with described first kiln through described venting port.

11. mud drying devices according to claim 9, is characterized in that, it also comprises the heating unit for heat drying gas, and wherein said heating unit is positioned at upstream or the downstream of described air-blast device.

12. mud drying devices according to claim 10, is characterized in that, it also comprises the heating unit for heat drying gas, and wherein said heating unit is positioned at upstream or the downstream of described air-blast device.