CN204779274U - Dry formula sludge drying device in bottom - Google Patents

Abstract

The utility model provides a dry formula sludge drying device in bottom, it includes the casing, is formed with first drying chamber and secondary drying chamber in the casing, and is equipped with the division board between first drying chamber and secondary drying chamber. The setting is at the feed inlet on the upper portion of first drying chamber and the discharge gate on gas vent and the circumference wall of setting at first drying chamber. The setting is at the circumference wall of secondary drying chamber or the air inlet on the bottom. The intercommunication mouth of formation on the division board. The mud of setting in the first drying chamber device that stirs, mud stir the device and include that the axis of rotation is rotating the epaxial subassembly that stirs with fixing, and the confirmation of size of the subassembly that stirs becomes that it can be sheared, the broken and mud that stirs, and its top in the face of and be close to intercommunication mouthful to when turn subassembly and axis of rotation in intercommunication mouthful can be struck off in the top when rotatory or near mud.

Description

Bottom drying type mud drying device

Technical field

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

Background technology

Mud is the byproduct produced in sewage treatment process, and sewage work adopts method that is concentrated and dehydration that the water ratio of mud is reduced to 60-80% from more than 90% usually, afterwards the mud processed is carried out landfill, solidification or drying and other treatment.The problem that landfill is easy to make sludge fermentation and occurs secondary pollution environment, and existing solidification or drying equipment are because the mud of the about 40-60% of water ratio has, and viscosity is strong, easily caking, difficult broken characteristic be at the energy of the process need at substantial of lignin-sludge, therefore, its cost is high, efficiency is low, the decrement of mud is poor, is difficult to the demand meeting a large amount of mud of process.

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.

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.

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 both consumed the object that the energy does not reach the raising mummification efficiency of expection yet.

The application for a patent for invention (attorney docket CPME1443763N) submitted on the same day with the application proposes the mud drying device of a kind of bottom drying type, wherein, along with turning device constantly the digging mud in the first kiln, through the connected entrance of division plate, from secondary drying chamber, the dry gas entered in the first kiln carries out drying to mud.But, in mud drying process, usually there will be mud block connected entrance, and cause dry gas to be difficult to move smoothly through connected entrance entering situation in the first kiln, thus the drying process of mud is made slow progress.

For this reason, need a kind of desiccation apparatus of bottom drying type of improvement, to improve the mummification efficiency of mud.

Summary of the invention

In order to overcome the defect existed in prior art, the utility model proposes a kind of bottom drying type mud drying device of monomeric form.In mud drying device of the present utility model, by the turning device in the first kiln 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 sponginess of mud and mobility to strengthen, thus is conducive to dry gas and enters the first kiln.

In mud drying device of the present utility model, mud in connected entrance or neighbouring is struck off by the front end compared with long blade or ratchet stirring assembly of turning device or the front end of scraped parts that is fixed on blade or ratchet, the flowing making dry gas enter secondary drying chamber from the first kiln is more smooth and easy, improves the frequency contacted with mud.

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, facilitate fully contacting of dry gas and mud.

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

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, 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.

Mud drying device of the present utility model utilize the turning device arranged in the first kiln stir assembly constantly shear, broken and stir mud, mud in connected entrance or neighbouring is struck off in front end simultaneously by being arranged on the front end compared with long blade or ratchet stirred on assembly or the scraped parts be fixed on blade or ratchet, can accelerate the drying of mud.Mud drying device of the present utility model can solve strong, the easy caking of the viscosity existed in mud, a difficult broken difficult problem, 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 preferred embodiment of the present 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 transverse sectional view of the mud drying device in Fig. 1;

Fig. 3 is the schematic perspective view of the turning device of mud drying device;

Fig. 4 is the schematic perspective view of the first kiln of mud drying device;

Fig. 5 is the schematic perspective view arranging turning device in first kiln of Fig. 4;

Fig. 6 is the schematic perspective view of the secondary drying chamber of mud drying device;

Fig. 7 is the sectional view of the amplification of the part A of irising out in Fig. 1, wherein stirs the position that assembly is in the connected entrance of flat division plate;

Fig. 8 is the sectional perspective schematic diagram of the upper part of the housing of another embodiment of bottom of the present utility model drying type mud drying device;

Fig. 9 is the schematic perspective view arranging turning device in first kiln of Fig. 8;

Figure 10 is the sectional view of the amplification of the C part of irising out in Fig. 9, wherein stirs the position that assembly is in the connected entrance of the division plate of curved surface; And

Figure 11 is the transverse views of the another embodiment of bottom of the present utility model drying type mud drying device.

Embodiment

Fig. 1 shows a preferred embodiment of bottom of the present utility model drying type mud drying device, and Fig. 2 is the view along the H-H line taken transverse in Fig. 1, wherein schematically illustrates a kind of mud drying device of monomeric form.Bottom drying type mud drying device 1 comprises housing, wherein, is provided with division plate 4 in housing, the internal space of housing is separated out two chambers as the first kiln 6a and secondary drying chamber 6b.Division plate 4 is formed connected entrance 5, enters 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 generally 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, with the top by being used as secondary drying chamber 6b below division plate.In addition, the lower part of body 2 and division plate 4 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 in 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.

Fig. 3 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 702c1,702c2,702c3 and 702c4 for stirring the multiple of mud.From on the turning device shown in Fig. 2 to stir assembly different, these stir assembly and have different structure or shape respectively.Stir assembly 702c1 and include four blades or ratchet 703c1, and stir assembly 702c2 and include three blades or ratchet 703c2, they are similar to the blade of water screw on profile, and one of them blade or ratchet are than other length.Stir assembly 702c3 and there is the plate-like being similar to gear, wherein, have outwardly directed protuberance or short blade or ratchet 703c3 at the periphery of disc portion.Stir assembly 702c4 and include two blades or ratchet 703c4.As shown in the figure, each stirs blade on assembly 702c1,702c2,702c3 and 702c4 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.Rotation axis 701 can be arranged and one or morely stir assembly 702, and each assembly 702 that stirs 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 702 multiple is stirred assembly and can be had the blade or ratchet 703 that length is longer, and other stirs blade or ratchet 703 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 installed to be formed on the rotating shaft and stirs assembly.

Figure 4 illustrates the preferred embodiment of the first kiln of mud drying device.In the first kiln 6a, form multiple difform connected entrance 5 arranged spaced apart at division plate 4.The shape of connected entrance 5 can comprise trapezoidal, rectangle, Polygons, trilateral, arch, circular etc.In other words, connected entrance 5 does not have shape and quantitative restriction, can determine as required.In addition, connected entrance 5 also can be the array that multiple aperture 5a forms, and wherein, the array of aperture can be the shape of connected entrance as above.The shape of the first kiln is rectangular, but also can be square, Polygons, ellipse or other shape.Multiple connected entrance 5 is arranged on division plate in groups along the longitudinal direction G of housing, and often in group multiple connected entrance 5 be spaced from each other certain distance.The length direction of each connected entrance 5 roughly intersects with the longitudinal direction G of housing, preferably mutually vertical.

Fig. 5 shows the preferred embodiment arranging turning device in the first kiln, and wherein, two turning devices 7a, 7b are arranged parallel to each other 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 or 702b for stirring the multiple of mud.Two turning devices 7a, 7b have and identical stir assembly 702a, 702b, and such as, each assembly that stirs comprises four blades or ratchet 703a, 703b.But also can comprise different quantities or heteroidly stir assembly.The two ends of rotation axis 701a, 701b are arranged on respectively by such as bearing in hole 201a, the 201b in the opposite end walls of the first kiln 6a.External impetus equipment (not shown) can by the power input arranged on one end of rotation axis 701a, 701b, and such as 18a drives turning device, as shown in Figure 1.

Fig. 6 shows a preferred embodiment of the secondary drying chamber of mud drying device, wherein, secondary drying chamber 6b comprises the inlet mouth 15 in the lower part being arranged on body 2, also namely inlet mouth 15 is positioned on the sidewall of 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 enter the first kiln 6a below division plate 4, to increase the chance contacted 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.Housing is lifted away from ground by bracing or strutting arrangement and the distance h making base plate 4a distance ground certain, to be removed below housing by mud.In another embodiment, clean-up port 15a can be arranged on the optional position on the circumferential wall comprising 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 also comprises unshowned air-blast device 12 in FIG, and wherein, air-blast device 12 is communicated with secondary drying chamber 6b with gas feed 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 venting port 10 through pipeline 13a.The dry gas be transported in secondary drying chamber 6b can be as the drying medium such as hot gas, gas, warm air, gas at normal temperature or frozen gas 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 flowing 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 mud be laid on division plate 4, to play auxiliary mummification to the mud in the first kiln 6a.

As shown in figures 2 and 5, two turning devices 7a, 7b are configured to multiple first and stir assembly 702a and multiple second and stir assembly 702b respectively at respective rotation axis, also namely arranged spaced apart on the first rotation axis 701a and the second rotation axis 701b, wherein, on each rotation axis to stir assembly 702a, 702b corresponding with corresponding one group of connected entrance 5.Move smoothly through connected entrance 5 to make dry gas and enter the first kiln 6a from secondary drying chamber 6b, the size stirring assembly 702a, 702b of turning device 7a, 7b can be specified to when stirring assembly 702a, 702b and rotating together along with rotation axis 701a, 701b, the mud near connected entrance 5 can be struck off in one portion perimeter limit.Can the length stirring one or more blade on assembly 702a, 702b or ratchet of turning device 7a, 7b be defined as when stirring assembly 702a, 702b and rotating together along with rotation axis 701a, 701b especially, the mud in connected entrance 5 or near it can be struck off compared with the front end of long blade or ratchet.In other words, at least one stirring in assembly 702a, 702b multiple stirs assembly can have at least one for striking off comparatively long blade or the ratchet of mud, wherein, can be insinuated in a part of connected entrance 5 or close to connected entrance 5 compared with the front end of long blade or ratchet, and the shape design of connected entrance 5 becomes to avoid interfering with the front end compared with long blade or ratchet.With need not one_to_one corresponding compared with the quantity stirring assembly 702a and 702b of long blade or ratchet and the quantity of connected entrance 5.As shown in Figure 5, it is multiple that to stir in assembly 702a, 702b each with stirring assembly 702a, 702b in the face of a connected entrance 5 compared with long blade or ratchet, the mud in connected entrance 5 or near it can be struck off compared with the front end of long blade or ratchet, thus make dry gas enter into the first kiln 6a by connected entrance 5.Except the effect of striking off, these with compared with long blade or ratchet stir assembly 702a, 702b can with compared with short blade or ratchet to stir assembly 702a, 702b the same, play shear, broken and stir the effect of mud.In addition, multiple on rotation axis 701a, a 701b stir in assembly 702a, 702b with compared with long blade or ratchet stir assembly and with can along rotation axis staggered arrangement each other compared with the assembly that stirs of short blade or ratchet.In another embodiment, the stirring assembly and can arrange with different arrangement pitches as required of the blade with different lengths on a rotation axis or ratchet.Such as, on a rotation axis with stir compared with two of long blade or ratchet to arrange between assembly plural with stirring assembly compared with short blade or ratchet, or arrange in the opposite manner, in any case arrange with stirring assembly and all should make corresponding with connected entrance compared with the front end of long blade or ratchet compared with long blade or ratchet.

In another embodiment, as shown in Figure 3, scraped parts 704c1 or 704c2 can be set in the front end of the blade or ratchet 703c1 or 703c2 that stir assembly 702c1 or 702c2.Blade on assembly 702c1 or 702c2 can be stirred as shown in the figure or ratchet 703c1 or 703c2 has identical length, wherein, the front end of some blades or ratchet arranges scraped parts 704c1 or 704c2, and other can be used as scraper compared with the front end of long blade or ratchet.Adopt which kind of form that the front end of scraped parts 704a or 704b be fixed on blade or ratchet all should be made corresponding with connected entrance 5.In addition, stir assembly compared with long blade or ratchet or be fixed on the scraped parts on blade or ratchet front end all in the face of connected entrance, also can be inswept on connected entrance in connected entrance both can be insinuated into compared with long blade or the front end of ratchet or the front end of scraped parts when sweeping, to strike off the mud in connected entrance or near it.Stirring assembly also can be arranged to slightly depart from connected entrance, so that it is compared with a part of width of long blade or the front end of ratchet or the front end of the scraped parts only inswept connected entrance when sweeping, thus only striking off a part of mud near connected entrance.See Fig. 5, exemplarily illustrate and stir that assembly 702a, 702b are existing has again shorter blade or ratchet 703a, 703b compared with long blade or ratchet 703a, 703b on rotation axis 701a, 701b of turning device 7a, 7b.In the figure 7, the mud struck off compared with the front end of long blade or ratchet 703 in the connected entrance 5 of flat division plate 4 stirring assembly 702 is shown.Because the longitudinal direction G of the relative housing of rotation axis 701a, 701b of turning device 7a, 7b be arranged in parallel, therefore, the length direction of the tangential direction and connected entrance of stirring the circular trace of the rotation of assembly 702a, 702b of turning device 7a, 7b intersects, preferably mutually vertical.

In turning device 7a, 7b of two staggered arrangement each other, the on the first rotation axis 701a first front end stirring assembly 702a is close to the second rotation axis 701b and stir between assembly 702b at two adjacent second, otherwise and also like this.So both shorten the between centers between the first rotation axis 701a and the second rotation axis 701b, also avoid first to stir assembly 702a and second and stir appearance interference between assembly 702b.In another embodiment, adjacent with compared with long blade or ratchet or be provided with the blade of scraping member or of ratchet stirs assembly and can form one group with stirring assembly compared with one of short blade or ratchet on same rotation axis, and the often group that the often group on the first rotation axis 701a is stirred on assembly 702a and the second rotation axis 701b stirs the interlaced layout of assembly 702b, make one group on the first rotation axis 701a to stir on the second rotation axis 701b adjacent two groups of assembly 702a and stir between assembly 702b.Stir assembly configuration combination on the rotating shaft and can adopt various forms, no longer exemplify at this, but any one stirs assembly arrangement form on the rotating shaft, and all should to ensure to stir assembly 702a, 702b corresponding with connected entrance 5, particularly ensure most stir assembly compared with long blade or ratchet or the front end face of scraping member 704a, 704b installed on blade or ratchet to connected entrance 5, thus enable to strike off mud in connected entrance 5 or near it compared with long blade or ratchet or scraped parts 704a, 704b.In addition, use two turning devices 7a, 7b are not limited in the first kiln 6a, can be as required, in the first kiln 6a, one or more turning device is set, and on division plate, form the group of the connected entrance corresponded, and multiple assemblies that stir of every two turning devices in multiple turning device can interlaced with each otherly be arranged, to save space, and each front end compared with long blade or ratchet stirring assembly or scraped parts 704a, 704b of being fixed on blade or ratchet corresponding with connected entrance 5 respectively.

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 such as gear or belt pulley 18a, 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.

Fig. 8-10 shows another preferred embodiment of bottom of the present utility model drying type mud drying device, and wherein division plate is the form of curved surface.Adopt the parts of phase same-action due to this improved plan and embodiment above and represent with same or analogous Reference numeral, therefore, structure that is identical or like being repeated no more with effect applicant, only describes distinct portions with it.

See Fig. 1-4, when adopting flat or that there is flat upper surface division plate, be deposited in the mud on division plate 4 along with turning device 7a, the 7b in the first kiln 6a the shearing stirring assembly 702a, 702b, 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 arrive these positions, thus have impact on 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. 8 and 9 shows the part isometric schematic diagram of another embodiment of the bottom drying type mud drying device of the division plate with curved surface, wherein, and the structure indicating the first kiln and the turning device wherein arranged.As shown in the figure, division plate is twisted plate, and in another embodiment, division plate can be the plate with recessed upper surface.In fig. 8, division plate 4 that is bending or curved surface has two recessed portions, and also namely from the part that the first kiln 6a gives prominence to downwards towards secondary drying chamber 6b, in other words, the first kiln 6a has the bottom of indent.Be bent downwardly or have reclinate upper surface because division plate 4 shows as on transverse section, thus, division plate is shown as recessed area at the longitudinal direction G of housing, and in other words, 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 r 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 radius of the part of being bent downwardly of the division plate of curved surface or lower arcs of recesses, and hole 201a, 201b as the installation rotation axis on end wall can limit the distance of axis to the top of the blade or ratchet that stir assembly of rotation axis.See Fig. 8, in two recessed area of the first kiln 6a, be furnished with along housing longitudinal direction G the multiple connected entrances 5 being separated from each other certain distance respectively, and the top of each recessed area arranges turning device 7a, a 7b.It is roughly equal that each turning device 7a, 7b multiple stir every two adjacent spacing distances stirred between distance between assembly and two adjacent connected entrances of corresponding multiple connected entrances 5 in assembly 702a, 702b.Figure 10 shows the recessed area that the blade stirring assembly of turning device or ratchet are in the bottom of the first kiln 6a, wherein, the axis of rotation axis is less than the radius R of the circular arc recessed area of bottom to the distance r on the top of the blade or ratchet 703 that stir assembly.Be understandable that, when the rotation axis of turning device or the hole for installing rotation axis are adjusted on the vertical direction of housing, the axis of rotation axis will change to the distance r on the top of the blade or ratchet that stir assembly, therefore, by select the length of blade or ratchet determine the top of blade or ratchet be positioned at connected entrance or near connected entrance above.In the circular arc recessed area of division plate, also can form hole formation formula substitute connected entrance, the array that multiple little through hole 5a forms can be arranged on a plate and afterwards plate to be arranged on connected entrance place, also can form Kong Zhen in the position of connected entrance, and the shape of Kong Zhen can be the same with the different shape of above-mentioned connected entrance.Preferably, the size of Kong Zhen can be defined as can striking off within the scope of mud on the top of blade or ratchet.

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 upper and lower position formation of the opposite end walls of the first kiln 6a.

Figure 11 shows another preferred embodiment of bottom of the present utility model drying type mud drying device.Two the first kiln 6a1 and 6a2 are provided with in mud drying device, wherein, a first kiln 6a1 utilizes the division plate 4a1 of plane as bottom, and another first kiln 6a2 utilizes the division plate 4a2 of curved surface as bottom, and in them, be respectively equipped with turning device 7a1 and 7a2.Two the first kiln 6a1 with 6a2 are communicated with secondary drying chamber 6b respectively by connected entrance 5a1 with 5a2 on respective division plate 4a1 with 4a2.Equally, also can adopt and first kiln is set and itself and Liang Ge secondary drying chamber are interconnected by connected entrance.Certainly, those skilled in the art will envision that the structural form of drying type mud drying device bottom other, do not repeat them here.

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 sent 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 shear continuously, broken and while stirring mud, the mud that at least one front end compared with long blade or ratchet stirring assembly or the front end being arranged on the scraped parts on blade or ratchet will be struck off in connected entrance or near it continuously or intermittently.Dry gas is transported to secondary drying chamber 6b through pipeline 12a and inlet mouth 15 by air-blast device 12.The velocity of flow that dry gas enters secondary drying chamber 6b is associated with air supply velocity.The front end compared with long blade or ratchet stirring assembly or the front end being arranged on the scraped parts on blade or ratchet facilitate dry gas to the desiccation of the bottom of the mud near connected entrance 5 and are conducive to dry gas to striking off of the mud in connected entrance 5 or near it and enter the first kiln 6a, wherein, the flow direction entering the dry gas of the first kiln 6a at connected entrance 5 place substantially with compared with the front end of long blade or ratchet or the tangential direction of rotational trajectory of front end of the scraped parts that are arranged on blade or ratchet mutually vertical, thus dry gas is easy to contact with the mud in the first kiln 6a.Along with stir in the first kiln 6a the blade of assembly or ratchet to shearing, the fragmentation of mud and stir and dry gas to the desiccation of mud, the granularity of mud diminishes and 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 adopting the division plate of curved surface, because the circular arc configuration of the recessed area near the rotational trajectory stirring the top of assembly of turning device and the connected entrance 5 of division plate 4 is close, therefore, the front end compared with long blade or ratchet stirring assembly or the front end of scraped parts be arranged on blade or ratchet are easier to when skimming over connected entrance 5 remove the mud near connected entrance 5, and fallen back near connected entrance by the mud that strikes off the also easier recessed arc-shaped profile along division plate, thus improve stirring and frequency that dry gas contacts with mud of mud.

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 to 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 shown in Figure 1, in order to contribute to the drying effect improving mud, advantageously, opening for feed 8 on lid 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 not only having stirred mud but also made 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.And the dry gas near discharge port 9, producing desiccation to opening for feed to above 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 (15)

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

Housing, wherein, is formed with one or more first kiln and at least one secondary drying chamber, and is provided with at least one division plate between described one or more first kiln and at least one secondary drying chamber described in described housing;

Be arranged on the opening for feed for mud to be dried on the top of described one or more 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 one or more first kiln;

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

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

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 stirs assembly, wherein, at least one size stirring assembly described be specified to its can shear, broken and stir mud, and its top end face to and near at least one connected entrance described, with box lunch described at least one stir described top when assembly rotates with described rotation axis can strike off described at least one connected entrance or neighbouring mud.

2. mud drying device according to claim 1, it is characterized in that, at least one mud turning device described described at least one stir assembly there is at least one blade or ratchet of extending radially outwardly from described rotation axis, to shear, broken and stir mud.

3. mud drying device according to claim 1, is characterized in that, the well-regulated shape of at least one connected entrance tool described on described division plate.

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

5. mud drying device according to claim 1, it is characterized in that, described at least one stir assembly there is at least one longer blade or ratchet of extending radially outwardly from described rotation axis, wherein, the front end of at least one longer blade described or ratchet can be struck off or partly be struck off mud at least one connected entrance described or neighbouring.

6. mud drying device according to claim 1, it is characterized in that, described at least one stir assembly there is at least one blade or ratchet of extending radially outwardly from described rotation axis, wherein, the front end of the scraped parts be arranged at least one blade described or ratchet can be struck off or part strikes off mud at least one connected entrance described or neighbouring.

7. mud drying device according to claim 1, it is characterized in that, at least one connected entrance described comprises multiple connected entrance, wherein, described multiple connected entrance is arranged with at least one group on division plate along the longitudinal direction of housing, and the multiple connected entrances in described at least one group are spaced from each other certain distance, each length direction of connected entrance 5 intersects with the longitudinal direction of housing.

8. mud drying device according to claim 7, it is characterized in that, at least one mud turning device described comprises the multiple mud turning devices be arranged in parallel, wherein, each in described multiple mud turning device has and multiplely stirs assembly, and described at least one stirring in assembly multiple is stirred assembly and is had the one or more blade or ratchet that extend radially outwardly from described rotation axis, wherein, the front end of the scraped parts on the front end of described one or more blade or ratchet or rooting-inofblades or ratchet can in the face of the corresponding connected entrance of described multiple connected entrance, to strike off mud in described connected entrance or neighbouring.

9. mud drying device according to claim 8, it is characterized in that, at least one mud turning device described comprises the multiple mud turning devices be arranged in parallel, wherein, each mud turning device comprises and multiplely stirs assembly, and described multiple assembly that stirs comprises stirring assembly and stirring assembly with shorter blade or ratchet with longer blade or ratchet, wherein, in multiple connected entrance described in the front end scraped of the scraped parts on the described front end compared with long blade or ratchet or rooting-inofblades or ratchet or neighbouring mud.

10. mud drying device according to claim 9, it is characterized in that, one of them turning device in described at least two turning devices have longer blade or ratchet stir assembly and another turning device there is shorter blade or ratchet stir assembly staggered arrangement relative to each other, wherein, the front end of described longer blade or ratchet or the scraped parts be arranged on described front end strike off mud in multiple connected entrance or neighbouring.

11. mud drying devices according to claim 1, it 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.

12. mud drying devices according to claim 11, it is characterized in that, it also comprises blower unit, and wherein, described blower unit is communicated with described first kiln through described venting port.

13. mud drying devices according to claim 12, 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.

14. mud drying devices according to claim 1, is characterized in that, it also comprises the heating unit for heat drying gas.

15. mud drying devices according to claim 11, 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.