CN204529632U - Bottom drying type mud drying device - Google Patents
Bottom drying type mud drying device Download PDFInfo
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- CN204529632U CN204529632U CN201520024743.2U CN201520024743U CN204529632U CN 204529632 U CN204529632 U CN 204529632U CN 201520024743 U CN201520024743 U CN 201520024743U CN 204529632 U CN204529632 U CN 204529632U
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Abstract
The utility model proposes a kind of bottom drying type mud drying device, it comprises housing, is provided with the division plate of curved surface in housing, so that the separated by spaces in housing is become the first kiln and secondary drying chamber.The division plate of curved surface forms connected entrance, and be provided with bridge above connected entrance, wherein form side opening between bridge and the division plate of curved surface.Be arranged on opening for feed and the venting port on the top of the first kiln, and be arranged on the discharge port on the circumferential wall of the first kiln.Be arranged on the sidewall of secondary drying chamber for inlet mouth.Be arranged on the mud turning device in the first kiln, it comprise rotation axis and fixing on the rotating shaft stir assembly.Material-returning device, the mud in secondary drying chamber is transported to the first kiln by it.
Description
Technical field
The utility model relates to sludge drying field, relates generally to a kind of mud drying device, particularly relates to a kind of bottom drying type mud drying device in monomeric form.
Background technology
Sewage work can produce a large amount of mud at sewage treatment process, in order to lignin-sludge, sewage work utilizes method that is concentrated or 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.Landfill easily makes sludge fermentation and occurs the problem of secondary pollution environment, and existing solidification or drying equipment are because efficiency is low and energy consumption large, and reduced training is poor, and is difficult to enforcement 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 can realize a certain amount of drying sludge, spended time is long, and has 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 being blended into by dry powder in mud to reduce the water ratio of mud, not only increases the amount of mud, and causes the mud after solidifying to be utilized again.
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, the connected entrance of dry gas on division plate enters in the first kiln from secondary drying chamber and carries out drying to the mud be deposited in division plate.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 the stirring continuously of mud, shear and with fragmentation, mud frequently contacted with dry gas, thus solve 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, by the connected entrance that formed on the division plate for separating the first kiln and secondary drying chamber and form side opening between the bridge arranged above connected entrance and division plate.Dry gas enters in the first kiln by the crooked route from connected entrance to side opening by secondary drying chamber, and to carry out drying from bottom to mud, and the setting of bridge considerably reduces mud from the first kiln to the leakage of secondary drying chamber.
In mud drying device of the present utility model, assembly is stirred to shearing, the fragmentation of mud with stir along with turning device, and stir the blade of assembly or the scraped front end of ratchet or the front end of scraped parts that is fixed on blade or ratchet and strike off mud near side opening, make dry gas more smooth and easy to the flowing of the first kiln from secondary drying chamber, and, mud granule degree constantly changes, the sponginess of mud and mobility are strengthened, thus is conducive to accelerating dry gas to the drying of mud.
In mud drying device of the present utility model, by air-blast device, blower unit or/and the configuration of heating unit, not only can improve the speed that dry gas flows into kiln, and accelerate the velocity of flow that dry gas enters kiln, facilitate the contact of dry gas and mud, improve drying efficiency.
In mud drying device of the present utility model, the sidewall of secondary drying chamber is narrowed by division plate to bottom angled and forms curved channel in bottom and is conducive to collecting the mud leaked in secondary drying chamber, and the mud after the redrying in secondary drying chamber can be shifted to material-returning device by the discharge device be arranged in secondary drying chamber, and mud is transported to the first kiln by returning charge mouth by material-returning device mixes with mud to be dried, thus the heat in dried mud can be utilized to improve sludge drying efficiency and reduce energy consumption.
The utility model desiccation apparatus is monomeric form substantially, and it has, and mummification efficiency is high, energy consumption is low, floor space is little and adaptable feature, is applicable to the needs of existing market completely.Because in Cities with Great Population, 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 utilizes the assembly that stirs of the turning device arranged in the first kiln constantly to stir, shear and mud in broken first kiln and stir the blade of assembly or the scraped front end of ratchet or the front end of scraped parts that is fixed on blade or ratchet and strike off mud near side opening to improve the contact frequency of dry gas and mud, accelerates the drying of mud.Mud drying device of the present utility model can solve strong, the easy caking of viscosity of mud, a difficult broken difficult problem, not only significantly remove the moisture in mud, and change the particulate state of mud into granular, thus the mummification efficiency that improve mud reduces energy consumption simultaneously.
The utility model provides a kind of bottom drying type mud drying device, and described mud drying device comprises housing, wherein, is provided with the division plate of curved surface in described housing, so that the separated by spaces in described housing is become the first kiln and secondary drying chamber; The division plate of described curved surface has at least one recessed portion in described first kiln, wherein, multiple connected entrance is formed at least one recessed portion described, and bridge is provided with above at least one connected entrance, form at least one side opening between the division plate of wherein said bridge and described curved surface, and be arranged on the returning charge hole on the division plate of described curved surface; 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 after 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 sidewall of described secondary drying chamber; 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, and corresponding with at least one recessed portion described so that at least one mud turning device described described multiple to stir in assembly each stirs assembly and can strike off mud near at least one side opening described; And material-returning device, wherein, described material-returning device is arranged in described returning charge hole, wherein, one end of described material-returning device is positioned at described first kiln, and its other end is positioned at described secondary drying chamber, the mud in described secondary drying chamber is transported to described first kiln.
According to such scheme, it also comprises the clean-up port for clearing up mud, wherein, and on the circumferential wall that described clean-up port can be arranged on described secondary drying chamber or bottom.
According to each scheme above-mentioned, described multiple connected entrance is formed in the lower position of the described recessed portion of the division plate of described curved surface at certain intervals.
According to each scheme above-mentioned, described bridge can be plate, and wherein, described plate comprises twisted plate and flat board.
According to each scheme above-mentioned, at least one side opening described comprises two side openings, and one of them side opening is provided with shutter, enter described kiln, and another side opening is provided with multiple screen for stopping that dry gas passes therethrough.
According to each scheme above-mentioned, in described multiple screen, each is angled relative to the longitudinal direction of housing.
According to each scheme above-mentioned, described multiple each assembly that stirs stirred in assembly has the one or more blade or ratchet that extend radially outwardly from described rotation axis, and the lateral edges of the front end of described one or more blade or ratchet can strike off or part strikes off mud near at least one side opening described.
According to each scheme above-mentioned, described multiple each assembly that stirs stirred in assembly has at least one blade or ratchet of extending radially outwardly from described rotation axis, wherein, the lateral edges being arranged on the front end of the scraped parts at least one blade described or ratchet can strike off or partly strike off the mud near at least one side opening described.
According to each scheme above-mentioned, the opening direction of described side opening and the longitudinal direction of housing angled.
According to each scheme above-mentioned, from least one connected entrance described to described side opening, have at least one crooked route for dry gas.
According to each scheme above-mentioned, described material-returning device is screw spreader, and described screw spreader has rotation axis and spiral, and wherein, the external diameter of described spiral is slightly less than the diameter in described returning charge hole.
According to each scheme above-mentioned, the described recessed portion of the division plate of described curved surface has circular shape on the longitudinal direction being transverse to housing.
According to each scheme above-mentioned, the sidewall in described secondary drying chamber from the division plate of described curved surface obliquely towards it bottom narrow, to form the curved vertical passage of upper section in described bottom.
According to each scheme above-mentioned, in the vertical passage of the described bottom of described secondary drying chamber, arrange discharge device, wherein, mud is transported to the clean-up port of the one end being arranged on described vertical passage by described discharge device.
According to each scheme above-mentioned, it also comprises air-blast device, and wherein, described air-blast device is communicated with described secondary drying chamber through at least one gas feed described.
According to each scheme above-mentioned, 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.
According to each scheme above-mentioned, it also comprises blower unit, and wherein, described blower unit is communicated with described first kiln through described venting port.
According to each scheme above-mentioned, at least one mud turning device described comprises two mud turning devices, wherein, the lateral edges of described multiple front end stirring at least one blade each described in assembly or ratchet or the front end being arranged on the scraped parts at least one blade or ratchet strikes off the mud near described side opening, wherein, one of them the mud turning device in described two mud turning devices described multiple stir assembly and the described multiple of another stir assembly layout interlaced with each other.
The utility model also provides a kind of bottom drying type mud drying device, and described mud drying device comprises housing, wherein, is provided with the division plate of curved surface in described housing, so that the separated by spaces in described housing is become the first kiln and secondary drying chamber; The division plate of described curved surface has at least one recessed portion in described first kiln, wherein, multiple connected entrance is formed at least one recessed portion described, and bridge is provided with above at least one connected entrance, form at least one side opening between the division plate of wherein said bridge and described curved surface; 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 after sludge-drying, and the discharge port for dried mud be arranged on the circumferential wall of described first kiln and the returning charge mouth for receiving again dried mud; On the sidewall being arranged on described secondary drying chamber or at least one inlet mouth of the dry gas for mud to be dried of bottom and the clean-up port for discharging again dried mud; 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 is fixed on described rotation axis and multiplely stirs assembly, and corresponding with at least one recessed portion described so that at least one mud turning device described described multiple to stir in assembly each stirs assembly and can strike off mud near at least one side opening described; And material-returning device, wherein, described material-returning device arranges in the returning charge room of the returning charge housing outside described housing, and one end of described returning charge room is communicated with described clean-up port, and its other end is communicated with described returning charge mouth, described first kiln will be transported to from described secondary drying chamber by dried mud again.
According to such scheme, described multiple connected entrance is formed in the lower position of the described recessed portion of the division plate of described curved surface at certain intervals.
According to each scheme above-mentioned, described bridge can be plate, and wherein, described plate comprises twisted plate and flat board.
According to each scheme above-mentioned, at least one side opening described comprises two side openings, and one of them side opening is provided with shutter, enter described kiln, and another side opening is provided with multiple screen for stopping that dry gas passes therethrough.
According to each scheme above-mentioned, in described multiple screen, each is angled relative to the longitudinal direction of housing.
According to each scheme above-mentioned, at least one mud turning device described described multiple stir eachly in assembly has the one or more blade or ratchet that extend radially outwardly from described rotation axis, wherein, the lateral edges of the front end of described one or more blade or ratchet can strike off or partly strike off the mud near at least one side opening described.
According to each scheme above-mentioned, at least one mud turning device described described multiple stir eachly in assembly has the one or more blade or ratchet that extend radially outwardly from described rotation axis, wherein, the lateral edges being arranged on the front end of the scraped parts on described one or more blade or ratchet can strike off or partly strike off the mud near at least one side opening described.
According to each scheme above-mentioned, the opening direction of described side opening and the longitudinal direction of housing angled.
According to each scheme above-mentioned, from least one connected entrance described to described side opening, have the crooked route for dry gas.
According to each scheme above-mentioned, the described recessed portion of the division plate of described curved surface has circular shape on the longitudinal direction being transverse to housing.
According to each scheme above-mentioned, the sidewall in described secondary drying chamber from the division plate of described curved surface obliquely towards it bottom narrow, to form the curved vertical passage of upper section in described bottom.
According to each scheme above-mentioned, in the vertical passage of the described bottom of described secondary drying chamber, arrange discharge device, wherein, mud is transported to the clean-up port of the one end being arranged on described vertical passage by described discharge device.
According to each scheme above-mentioned, it also comprises air-blast device, and wherein, described air-blast device is communicated with described secondary drying chamber through at least one gas feed described.
According to each scheme above-mentioned, 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.
According to each scheme above-mentioned, it also comprises blower unit, and wherein, described blower unit is communicated with described first kiln through described venting port.
According to each scheme above-mentioned, at least one mud turning device described comprises two mud turning devices, wherein, described multiple to stir in assembly each have at least one blade or ratchet front end or be arranged on the scraped parts at least one blade described or ratchet front end lateral edges scraped described in mud near side opening, wherein, one of them the mud turning device in described two mud turning devices described multiple stir assembly and the described multiple of another stir assembly layout interlaced with each other.
According to each scheme above-mentioned, described returning charge housing adjoins one end of described housing vertically, wherein, the lower part of described returning charge room is provided with the passage of the clean-up port for being communicated with described secondary drying chamber, and is arranged with the returning charge passage of the returning charge mouth for being communicated with described first kiln at an upper portion thereof and is communicated with the discharge gate of mud collecting device.
According to each scheme above-mentioned, described returning charge housing and described housing are integrally formed.
According to each scheme above-mentioned, described material-returning device is screw spreader, and described screw spreader has rotation axis and spiral.
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 longitudinal 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 of Fig. 1;
Fig. 3 is the schematic perspective view of the partly cut-away of mud drying device shown in Fig. 1;
Fig. 4 is the exploded perspective schematic diagram of mud drying device shown in Fig. 1;
Fig. 5 is the schematic perspective view that the part A of irising out in Fig. 1 is exaggerated, and wherein represents the bridge be positioned at above connected entrance;
Fig. 6 is the sectional view that the part A of irising out in Fig. 1 is exaggerated, and wherein represents that blade or ratchet are in the position of the side of bridge;
Fig. 7 is the schematic perspective view of another embodiment of bridge of the present utility model;
Fig. 8 is the transverse sectional view along the bridge of M-M line intercepting in Fig. 7;
Fig. 9 is the vertical view cutaway drawing along the bridge of N-N line intercepting in Fig. 7;
Figure 10 is the schematic perspective view of mud drying device secondary drying chamber;
Figure 11 is the longitudinal sectional view of another embodiment of bottom of the present utility model drying type mud drying device; And
Figure 12 is the schematic perspective view of the partly cut-away of mud drying device shown in Figure 11.
Embodiment
The mode that Fig. 1 and 2 cuts open with vertical and horizontal respectively shows a preferred embodiment of bottom of the present utility model drying type mud drying device.The mud drying device 1 of monomeric form of the present utility model comprises housing, and wherein, housing comprises body 2, upper cover (or lid 3) and base plate 4a.Division plate 4 is provided with, in order to the internal space of housing is separated out two chambers as the first kiln 6a and secondary drying chamber 6b in housing.Division plate 4 being formed the multiple connected entrances 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 up and down, it also can have other arrangement form.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, upper part and the division plate 4 of body 2 are integrally formed, 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 ground etc.The shape of housing is rectangular, but also can be square, Polygons, ellipse or other shape.
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 after 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 and venting port 10 in body 2 or upper cover 3 any one 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.
As shown in Figure 2, be transverse to the seeing in a lateral direction of longitudinal direction G of housing, division plate 4 can be bent downwardly or have 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.The division plate 4 of curved surface is formed multiple rectangle connected entrance 5 arranged spaced apart and is provided with bridge 401 above each connected entrance.The shape of connected entrance 5 can be trapezoidal, rectangle, trilateral, arch, circular etc.Connected entrance, can determine as required, but the length direction X of each connected entrance 5 intersects substantially mutually with the longitudinal direction G of housing without any restriction in shape and quantity, and preferably both are mutually vertical.And the bridge above connected entrance also can make corresponding change based on the shape of connected entrance.
Fig. 3 shows the internal structure of the mud drying device shown in Fig. 1, wherein, in the first kiln 6a, walks abreast layout two for stirring turning device 7a, 7b of mud along the longitudinal direction G of housing.Because two turning devices 7a, 7b have same or similar structure, therefore, only the turning device 7b of one of them turning device as retained in figure is described in detail.Turning device 7b has rotation axis 701b and is fixed on rotation axis 701b and stirs assembly 702b for what stir mud.Each assembly 702b that stirs includes three blades or ratchet 703b, and each blade or ratchet 703b radially can stretch out from rotation axis 701b.Therefore, what rotate together with rotation axis 701b stirs the blade that assembly 702b is similar to water screw on profile.But the shape stirring assembly 702b is not limited only to this, can assembly 702b be stirred be designed to be similar to the shape (not shown) of gear.Rotation axis 701b can be arranged and one or morely stir assembly 702b, and each assembly 702b that stirs can comprise one or more blade or ratchet 703b.But, each stir assembly 702b multiple blade or ratchet 703b can be differing from each other from the length that rotation axis 701b extends, and at least one stirring in assembly 702b 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 blade in the example shown or ratchet are for welding or be fixed on rotation axis 701b, but also can adopt other structure or the fixed form such as bolt, riveted joint, such as blade or ratchet can be connected or be fixed on the axle collar, axle sleeve or wheel hub (not shown), afterwards the axle collar etc. is arranged on rotation axis 701b.The two ends of rotation axis 701b are arranged on by bearing in one of them hole 201a or 201b in the opposite end walls of body 2.
See Fig. 2, have two recessed portions at the division plate 4 of the first kiln 6a mean camber, wherein, each recessed portion in the face of one of them turning device 7a or 7b, and it is formed with one group of multiple connected entrance 5 be spaced apart from each other.Recessed portion on the division plate 4 of usual curved surface or the quantity in region and the quantity of turning device consistent, and recessed portion can be circular arc.Board-like bridge 401 can be set above each connected entrance 5, comprising flat board, curved slab, herring-bone plate etc.In addition, can arrange bridge 401 on one or more connected entrance 5, the quantity of its connected entrance and bridge need not one_to_one corresponding.
Fig. 4 shows the exploded perspective schematic diagram of another preferred embodiment of bottom of the present utility model drying type mud drying device, and wherein, upper part and the division plate 4 of body 2 are integrally formed, and its underpart and base plate 4a integrally formed.As shown in the figure, multiple connected entrance 5 is formed on the bottom and division plate 4 of the first kiln 6a, wherein, multiple connected entrance 5 becomes two arrangements to put along the longitudinal direction G of housing, and the multiple connected entrances 5 in each row are arranged in the lower position of recessed portion at certain intervals.Although the connected entrance 5 on division plate 4 is conducive to dry gas enter the first kiln 6a from secondary drying chamber 6b, and discharged by venting port 10 through after mud, but, after mud to be dried to be thrown in from opening for feed 8 and is deposited in the division plate 4 of the first kiln 6a, stir stirring and the effect of dry gas of assembly 702a, 702b along with turning device 7a, 7b, still some mud can be dropped from the first kiln 6a by connected entrance 5 or leak into secondary drying chamber 6b.In order to reduce the leakage of mud, bridge 401 is arranged on the top of connected entrance 5, thus utilizes bridge 401 to reduce mud to drop from the first kiln 6a through connected entrance 5 or leak into secondary drying chamber 6b.The length direction that bridge 401 is arranged in connected entrance strides across connected entrance 5, and almost parallel with the length direction X of connected entrance 5.The length of bridge 401 is longer than the length of connected entrance 5, thus bridge 401 can bridge above connected entrance 5 as bridge on the length direction of connected entrance 5, and its two ends be separately fixed at connected entrance end margin near division plate 4 on.Interlude due to bridge 401 is positioned at the top of connected entrance 5, thus forms side opening 402 between bridge 401 and division plate 4, and can form side opening 402 in the side of bridge 401, or forms a side opening 402 in its every side.Due to the existence of side opening 402, dry gas flows to side opening thus path through bending could arrive the first kiln 6a again flowing into need to turn to after connected entrance 5, equally, mud also needs through leaking into secondary drying chamber 6b from the first kiln 6a from side opening 402 to the crooked route of connected entrance 5.Although the spillage of mud greatly reduces, the mud be deposited near side opening also disturbs dry gas from secondary drying chamber 6b to the flowing in the first kiln 6a.In order to promote the flowing of dry gas, stir the mud near side opening 402 that the blade of assembly 702a, 702b or ratchet 703a, 703b be designed to strike off bridge 401.
Fig. 5 shows the structure for amplifying of the part A of irising out in Fig. 1.Form connected entrance 5 in the lower concave part office of the division plate 4 of a part of curved surface, and the length direction X of connected entrance intersects with the longitudinal direction G of housing, preferably vertical.Bridge 401 above connected entrance 5 strides across connected entrance 5 in the longitudinal direction and covers connected entrance 5 in the direction of the width, but can partly cover connected entrance 5.When bridge 401 is flat board, the recessed area of division plate 4 near connected entrance 5 is circular arc, the shape of side opening 402 is crescent.Therefore, the shape of side opening 402 depends on the degree of crook of the shape of bridge 401 and the division plate of curved surface.Preferably, the division plate of curved surface is circular arc in the face of the recessed portion shape in the horizontal of turning device, and, the radius of circular arc substantially can slightly larger than the distance of the axis of rotation axis to the top of the longer blade or ratchet that stir assembly, stirring the blade of assembly or the front end of ratchet 703a, 703b like this close to the bottom of kiln, making the top of blade or ratchet 703 and the distance of division plate be equal substantially in scope striking off.
Fig. 6 shows the sectional view that the width of the bridge in the part A of irising out at Fig. 1 intercepts, and wherein, the scraped top of the blade or ratchet that stir assembly is in the side of bridge 401.As shown in the figure, bridge 401 defines two side openings 402 in the both sides of bridge together with division plate 4, and blade or ratchet 703 are in the vicinity of one of them side opening 402 to strike off mud.Usually, the opening direction of side opening and the longitudinal direction G of housing almost parallel.Except the effect of striking off, blade or ratchet 703a, 703b of stirring assembly 702a, 702b also play shearing, fragmentation and stir the effect of mud.In another embodiment, can at the width of bridge 401, namely the direction being roughly transverse to the longitudinal direction G of housing arranges side shield to be blocked by one of them side opening 402, and only retains opposite side opening 402, thus allow dry gas to enter the first kiln 6a along a direction.Side shield is arranged in side opening 402 along the length direction of bridge 401, to stop dry gas to pass therethrough, the assembly 702 that stirs of turning device 7 can be made so only to strike off mud near opposite side opening 402.This set of side shield is to make dry gas only enter the first kiln 6a towards outflow side, direction opening 402, and prevents dry gas from entering the first kiln from contrary other direction, also reduces the leakage of mud.
Be arranged to first on the first rotation axis 701a see Fig. 1-4, two turning devices 7a, 7b stir second on assembly 702a and the second rotation axis 701b and stir assembly 702b arrange bridge 401 arranged spaced apart respectively with two corresponding.The blade stirring assembly 702a or 702b or ratchet 703a or 703b of turning device 7a or 7b have enough length, thus when stirring assembly 702a or 702b and rotating together with rotation axis 701a or 701b, the lateral edges of the front end of blade or ratchet 703a or 703b can strike off the mud near the side opening 402 of bridge 401.At least one stirring in assembly 702a or 702b multiple stirs assembly can have blade or ratchet 703a or 703b that mud can be struck off at least one its front end.The quantity of the quantity and connected entrance 5 or the bridge above it 401 of stirring assembly 702a and 702b need not one_to_one corresponding.In another embodiment, see Fig. 4, as required scraped parts 704a, 704b can be installed on the blade stirring assembly 702a or 702b or ratchet, to utilize the lateral edges of the front end of scraped parts to strike off mud near side opening 402.There is the blade of scraped front end or ratchet or be provided with thereon the blade of scraped parts or ratchet to stir assembly mutually corresponding with bridge, so that the lateral edges stirring blade or the scraped front end of ratchet or the front end of scraped parts when assembly rotates can strike off the mud near the side opening of bridge, thus makes the dry gas entering connected entrance 5 enter into the first kiln 6a through side opening 402 swimmingly.In addition, can make to stir the blade with scraped front end of assembly or ratchet 703a or the blade of scraped parts or ratchet are installed thereon between two bridges 401, so that the side opening 402 of the opposite side of two bridges 401 can be struck off in the both sides of the edge of the front end of scraped front end or scraped parts.
Fig. 7 shows another preferred embodiment of bridge, wherein improves the side opening of bridge.Fig. 8 and 9 is respectively laterally to analyse and observe the structure showing bridge in Fig. 7 with the form of horizontal cross-sectional.See Fig. 7-9, on the width of bridge 401 also i.e. side opening opening direction on the first baffle plate 403a is set to be blocked by one of them side opening 402 of bridge 401, and second or another baffle plate 403b are arranged on opposite side opening 402 place.Second baffle 403b is provided with perforate 404a, and wherein, perforate 404a is crescent, and also can be other shape such as such as rectangle, ellipse etc.Vertically arrange multiple screen 405 at perforate 404a place, wherein, each screen of multiple screen 405 is relative to the angled layout of longitudinal direction G of housing, and preference is as 0 ° of-85 ° of angle.Like this, the slit 404b with the opening direction of the perforate 404a also i.e. angled α of longitudinal direction G of housing is formed between every two adjacent screens, therefore, the flow direction entering dry gas from multiple slit 404b has α angle with the flow direction through side opening 402 or perforate 404a, thus both can reduce mud and leak into secondary drying chamber 6b from slit 404b to the crooked route of connected entrance 5 dry gas also can be made to flow into swimmingly in the first kiln 6a.In addition, can utilize and form the leakage that multiple little via-hole array reduces mud on baffle plate 403a or 403b.
See Fig. 3 and 4, in turning device 7a, 7b of two staggered arrangement each other, on first rotation axis 701a first front end stirring the blade of assembly 702a or the scraped front end of ratchet 703a or fixing scraped parts thereon can be stirred between assembly 702b at two adjacent second close to the second rotation axis 701b, 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, thus make the compact overall structure of mud drying device.In addition, the quantity stirring assembly 702a, 702b on two turning devices 7a, 7b and each quantity stirring blade on assembly or ratchet 703a, 703b can be identical or different.In another embodiment, adjacent two on same rotation axis are stirred assembly and can form one group, 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.No matter stirring assembly adopts which kind of to arrange on the rotating shaft, but all should ensure that major part stirs assembly and multiple connected entrance 5 or the bridge on it 401 is mutually corresponding, so that the lateral edges stirring the front end of the blade of assembly 702a, 702b or the scraped front end of ratchet or scraped parts can strike off the mud near the side opening 402 of bridge 401, flow into the first kiln 6a swimmingly to make dry gas.In other words, connected entrance or the bridge position on division plate with stir assembly position on the rotating shaft and be associated.
As shown in the figure, external impetus device drives transmission mechanism, and drive the power input on the first rotation axis 701a of the first turning device 7a or the second rotation axis 701b of the second turning device 7b successively by transmission mechanism, such as gear or belt pulley 18a, 18b, and then rotation axis 701a and 701b is rotated.As required, the first rotation axis 701a and the second rotation axis 701b can be arranged to both can reverse rotation relative to each other, also can rotate in the same direction.
Figure 10 shows a preferred embodiment of secondary drying chamber, wherein, secondary drying chamber 6b comprises the inlet mouth 15 of the side of the lower part being arranged on body 2, also namely inlet mouth 15 is positioned on the sidewall of secondary drying chamber 6b, secondary drying chamber 6b is entered into the dry gas being used in mud to be dried, and inlet mouth can be one or more.In addition, inlet mouth 15 can be arranged on comprise sidewall and end wall circumferential wall on or bottom.Although the bridge 401 above the connected entrance 5 of division plate 4 and the strike off mud that contributes to minimizing first kiln 6a in of lateral edges to the mud near the side opening 402 of bridge 401 stirring the blade of assembly 702a, 702b or the scraped front end of ratchet or the front end that is arranged on scraped parts 704a, 704b on blade or ratchet drop in secondary drying chamber 6b, but still may have some mud by leaking in secondary drying chamber 6b from side opening 402 or slit 404b to the crooked route of connected entrance 5.In order to clear out the mud leaked in secondary drying chamber 6b, clean-up port 15a is provided with in one end of the lower part of body 2, also namely on the end wall of secondary drying chamber 6b bottom it, be provided with clean-up port 15a, wherein, clean-up port 15a is used for discharging what and amasss the mud in secondary drying chamber 6b.In addition, clean-up port 15a can be arranged on comprise sidewall and end wall circumferential wall on or bottom.Discharge device 25 is arranged on the position of the bottom of secondary drying chamber 6b.Discharge device can be spiral conveyer 25, but it also can be belt conveying, network chain conveying and air transporting arrangement etc.Spiral conveyer 25 has rotation axis 25a and is fixed on the spiral 25b of rotation axis 25a, wherein, rotation axis 25a can be arranged in the axis hole of the end wall of secondary drying chamber 6b, and its one end is provided with power input 25c, when driving rotation axis 25a to rotate with convenient transmission mechanism by means of power input, mud can be moved into place the clean-up port 15a on the end wall of secondary drying chamber 6b and discharge housing by spiral 25b.Secondary drying chamber 6b is transversely in roughly doline, its sidewall also namely the sidewall of the lower part of body 2 from division plate towards narrowing gradually bottom it, and at the position of narrowing also namely the shape of bottom can be arc or semicircular, arc or semicircular radius are slightly larger than the radius of rotating screw 25b, like this, the vertical passage of an arc section is formed in the bottom of secondary drying chamber 6a.Can be pooled to the vertical passage of arc section to shift out secondary drying chamber 6b by the spiral conveyer 25 be arranged in vertical passage from the mud that the first kiln 6a leaks by side opening 402.Leaking into mud in secondary drying chamber 6b can by the dry gas entered in secondary drying chamber 6b dry or redrying again, to reduce the water ratio of mud further.In order to keep the opposing seal of secondary drying chamber 6b, movable baffle plate 29 can being set at 15a place, clean-up port, to make dry gas not leak, and when discharging mud, shifting board 29 being opened.
In order to make full use of the mud dry again in secondary drying chamber 6b, can be transported in the first kiln 6a and mixing with mud to be dried.See Fig. 1-4, be provided with the material-returning device for transmitting dry complete mud in housing, wherein, material-returning device is passed in the returning charge hole 5a that division plate 4 is formed vertically between the first kiln 6a and secondary drying chamber 6b.Material-returning device can be screw spreader 26, but it also can be tipping bucket type, scraper-type transport unit etc.Screw spreader 26 has rotation axis 26a and is fixed on the spiral 26b of rotation axis 26a, wherein, one end of rotation axis 26a can be arranged on the axis hole being arranged in upper cover 3, and its other end can be arranged in the axis hole be formed on base plate 4a, wherein, axis hole also can be formed on the base 26d that is arranged on base plate 4a.At rotation axis 26a as the one end close to upper cover is provided with power input 26c, when driving rotation axis 26a to rotate with convenient transmission mechanism by means of power input, spiral 26b can be complete by the drying in secondary drying chamber 6b mud be sent in the first kiln 6a, to be blended in mud to be dried.
See Fig. 2, mud drying device 1 is also included in the unshowned air-blast device 12 of Fig. 1, and wherein, air-blast device 12 is communicated with the gas feed 15 of secondary drying chamber 6b 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 etc. 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.Equally, blower unit 13 can be substituted to accelerate the flowing of tail gas with reliever, thus improve sludge drying efficiency.
In order to accelerate the drying of mud, the dry gas be transported in secondary drying chamber 6b can 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 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 delivered to the mud be laid on division plate 4, to play auxiliary mummification to the mud in the first kiln 6a.
Figure 11 shows another preferred embodiment of bottom of the present utility model drying type mud drying device, and wherein, material-returning device is arranged on outside housing.Figure 12 shows the internal structure of the mud drying device of Figure 11 with the perspective view cut open.To the parts of the mud drying device with Fig. 1 and 2 with construct same or similar part and do not repeat them here, and only distinct portions is with it described in detail.In mud drying device, returning charge housing 27 is arranged on the side of mud outside the end of the housing of gasifying device vertically, and wherein, material-returning device is arranged in the returning charge room of returning charge housing 27.Material-returning device can be screw spreader 26, also can be belt, network chain type and air transporting arrangement and tipping bucket type, funneling transport unit etc.The returning charge room of returning charge housing 27 is provided with the feeding-passage 27a being formed in its underpart and lead to the clean-up port 15a of secondary drying chamber 6b, returning charge passage 27b and discharge gate 27c is formed with its top, wherein, returning charge passage 27b lead to be formed in body 2 the upper part i.e. end wall of the first kiln 6a on returning charge mouth 28, so that the complete mud of the drying transmitted by screw spreader 26 turns back in the first kiln 6a by returning charge mouth 28, and mix with mud to be dried, and discharge gate 27c is communicated with mud collecting device, dried mud is transported to collecting device as product.The returning charge housing 27 of the material-returning device shown in figure is what to separate with the housing of mud drying device, but, it is contemplated that and two housings are integrated, such as, utilize a part for the end wall of housing to be used as the sidewall of returning charge housing 27, and make the screw spreader being positioned at returning charge indoor mud complete for drying is sent to the returning charge mouth 28 of the first kiln 6a from the clean-up port 15a of secondary drying chamber 6b.In addition, also material-returning device can be arranged on other position outside housing and operate by realizing returning charge as lace conveying device etc.
See Fig. 1,2 and 11,12, 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 drive and stir assembly and rotate, each blade or the ratchet that make to stir assembly constantly stir mud.Stir assembly shear continuously, broken and while stirring mud, the front end stirred at least one blade of assembly or the scraped front end of ratchet or be arranged on the scraped parts on blade or ratchet is by the mud near the side opening 402 of certain time interval scraped bridge.Dry gas is transported to secondary drying chamber 6b through pipeline 12a and gas feed 15 by air-blast device 12.The flowing of dry gas and turning device 7a, 7b stir assembly 702a, 702b, the operation of air-blast device 12 and blower unit 13 is associated.The lateral edges of the front end stirred the blade of assembly or the front end of ratchet or be arranged on the scraped parts on blade or ratchet is conducive to dry gas enters the first kiln 6a to striking off of the mud near side opening 402.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, mud granule degree is from bulk or chunky shape to particulate state, then powder gradually.And striking off of the mud near side opening 402 is facilitated to dry gas and enter the first kiln 6a through crooked route from connected entrance to side opening, and drastically increase the contact frequency of dry gas and mud, shorten the time of drying of mud, and decrease the sludge quantity leaked from the first kiln 6a to secondary drying chamber 6b.The tangential direction of circular trace of rotation of scraped parts of the front end entering the flow direction of the dry gas of the first kiln 6a and the scraped front end of blade or ratchet at side opening 402 place or be arranged on blade or ratchet is in certain angle, usually substantially vertical.In addition, according to the shape of bridge, the opening direction of side opening 402 and the longitudinal direction of housing can be different angles; be preferably-30 ° to 30 °; usually is parallel substantially, therefore, dry gas leave the direction of side opening and rotation axis axial direction due almost parallel.After the drying completing mud, dry gas is introduced in 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, the water ratio of mud significantly reduces and discharges from discharge port 9.
The connected entrance 5 of the rotational trajectory stirring the top of the top of assembly or the blade on it or ratchet or scraped parts of turning device and the division plate 4 of curved surface or the recessed arcuate shape of bridge 401 near zone match and contribute to the lower position that the mud to be dried entered in the first kiln 6a accumulates in recessed arc area.When the scraped front end of the blade or ratchet that stir assembly or the lateral edges of front end that is arranged on the scraped parts on blade or ratchet skim over side opening 402 with after removing the mud near it, the mud being struck off and stir the also easier recessed curved profile along division plate falls back to the lower region in the first kiln 6a, thus improves the contact frequency of dry gas and mud.In order to reduce the leakage of mud to secondary drying chamber further, usually block, and utilize multiple screens 405 of the angled setting of the opening direction of opposed side openings to form multiple slit 404b at opposite side opening 402 place for one in two side openings 402 division plate 4 and bridge 401 formed.The leakage of mud so both can be stoped also not affect dry gas entered in the first kiln 6a by the crooked route from connected entrance to slit smoothly.
In order to remove by be dropped by the first kiln 6a from side opening 402 to the crooked route of connected entrance 5 or leak into the mud in secondary drying chamber 6b, discharge device such as spiral conveyer 25 can be run continuously or off and on.Therefore, leak into mud in secondary drying chamber 6b from the first kiln 6a can drop to the vertical passage of the bottom of secondary drying chamber 6b along the sidewall on inclined-plane and be carried by the clean-up port 15a of spiral conveyer towards one end of housing.
In order to play the effect of the complete mud of the drying that leaks in secondary drying chamber from the first kiln, mud can be transported to the first kiln from secondary drying chamber by material-returning device.When in the housing that material-returning device is arranged on mud drying device, the mud be transported near the 15a of clean-up port by spiral 25b in secondary drying chamber 6b is sent to the first kiln 6a by the returning charge hole 5a be formed on division plate 4, so that mud complete for drying is blended into mud to be dried by the spiral 26b of screw spreader 26.This blending not only can be accelerated the drying of mud to be dried but also can improve its mobility.In addition, the operation of material-returning device can being adjusted as requested, such as, when not needing to transmit dry complete mud to the first kiln, the movable baffle plate 29 at 15a place, clean-up port can be opened, to be transported to outside housing by mud.Equally, when the housing that material-returning device is arranged on mud drying device is outer, mud complete for the drying of the returning charge room entering returning charge housing 27 through clean-up port 15a and passage 27a from secondary drying chamber 6b is sent to the other end of returning charge room as top from such as the bottom, one end of returning charge room by the spiral 26b of material-returning device such as screw spreader 26.The mud being arranged in the top of returning charge room enters the first kiln 6a by returning charge passage 27b and returning charge mouth 28 and mixes with mud to be dried.In order to reasonably use dry complete mud, mobilizable flashboard can be set at discharge gate 27c place.Such as when not needing to transmit dry complete mud to the first kiln, the movable flashboard at discharge gate 27c place can be opened, so that mud is sent to mud collecting device as product.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 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 makes discharge port 9 be 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 dry gas through to be entered the first kiln 6a by secondary drying chamber 6b to the crooked route of side opening 402 from connected entrance 5 to the stirring of the lasting desiccation of mud and turning device 7a, 7b, shear and crushing effect, the granularity of mud from large to small and change granular into by particulate state gradually, and its water ratio 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 side opening 402 enters the first kiln 6a.Therefore, 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 (18)
1. a bottom drying type mud drying device, described mud drying device comprises:
Housing, wherein, is provided with the division plate of curved surface in described housing, so that the separated by spaces in described housing is become the first kiln and secondary drying chamber;
The division plate of described curved surface has at least one recessed portion in described first kiln, wherein, multiple connected entrance is formed at least one recessed portion described, and bridge is provided with above at least one connected entrance, form at least one side opening between the division plate of wherein said bridge and described curved surface;
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 after 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 sidewall of described secondary drying chamber;
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, and corresponding with at least one recessed portion described so that at least one mud turning device described described multiple to stir in assembly each stirs assembly and can strike off mud near at least one side opening described; And
Material-returning device, wherein, described material-returning device is used for mud complete for the drying in described secondary drying chamber to be transported in described first kiln.
2. mud drying device according to claim 1, is characterized in that, it also comprises the clean-up port for clearing up mud, wherein, and 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, described multiple connected entrance is formed in the lower position of the described recessed portion of the division plate of described curved surface at certain intervals.
4. mud drying device according to claim 1, is characterized in that, described bridge can be plate, and wherein, described plate comprises twisted plate and flat board.
5. mud drying device according to claim 1, it is characterized in that, described at least one side opening (402) comprises two side openings (402), one of them side opening is provided with shutter (403), enter described kiln for stopping that dry gas passes therethrough, and another side opening is provided with multiple screen (405).
6. mud drying device according to claim 5, is characterized in that, in described multiple screen (405), each is angled relative to the longitudinal direction of housing.
7. mud drying device according to claim 1, it is characterized in that, described multiple each assembly that stirs stirred in assembly has the one or more blade or ratchet that extend radially outwardly from described rotation axis, and the lateral edges of the front end of described one or more blade or ratchet can strike off or part strikes off mud near at least one side opening described.
8. mud drying device according to claim 1, it is characterized in that, described multiple each assembly that stirs stirred in assembly has at least one blade or ratchet of extending radially outwardly from described rotation axis, wherein, the lateral edges being arranged on the front end of the scraped parts at least one blade described or ratchet can strike off or partly strike off the mud near at least one side opening described.
9. mud drying device according to claim 1, is characterized in that, the opening direction of described side opening and the longitudinal direction of housing angled.
10. mud drying device according to claim 1, is characterized in that, has at least one crooked route for dry gas from least one connected entrance described to described side opening.
11. mud drying devices according to claim 1, is characterized in that, the described recessed portion of the division plate of described curved surface has circular shape on the longitudinal direction being transverse to housing.
12. mud drying devices according to claim 1, is characterized in that, the sidewall in described secondary drying chamber from the division plate of described curved surface obliquely towards it bottom narrow, to form the curved vertical passage of upper section in described bottom.
13. mud drying devices according to claim 1, it is characterized in that, in the vertical passage of the described bottom of described secondary drying chamber, arrange discharge device, wherein, mud is transported to the clean-up port of the one end being arranged on described vertical passage by described discharge device.
14. 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 gas feed described.
15. mud drying devices according to claim 1 or 14, 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.
16. mud drying devices according to claim 14, 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.
17. mud drying devices according to claim 15, 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.
18. mud drying devices according to claim 1, it is characterized in that, at least one mud turning device described comprises two mud turning devices, wherein, the lateral edges of described multiple front end stirring at least one blade each described in assembly or ratchet or the front end being arranged on the scraped parts at least one blade or ratchet strikes off the mud near described side opening, wherein, one of them the mud turning device in described two mud turning devices described multiple stir assembly and the described multiple of another stir assembly layout interlaced with each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520024743.2U CN204529632U (en) | 2015-01-07 | 2015-01-07 | Bottom drying type mud drying device |
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| CN201520024743.2U CN204529632U (en) | 2015-01-07 | 2015-01-07 | Bottom drying type mud drying device |
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| CN204529632U true CN204529632U (en) | 2015-08-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110210A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bottom-drying sludge drying device and method |
| WO2016110222A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bottom-drying sludge drying device and method |
| WO2016110220A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Stirring device and drying device for sludge drying device |
| WO2016110221A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bridge-shaped member of sludge drying device for bottom ventilation and sludge drying device |
| WO2016110213A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Sludge drying system and method |
| WO2016110211A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bottom-drying sludge drying device and method |
| WO2016110212A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Sludge drying system and method |
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2015
- 2015-01-07 CN CN201520024743.2U patent/CN204529632U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110210A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bottom-drying sludge drying device and method |
| WO2016110222A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bottom-drying sludge drying device and method |
| WO2016110220A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Stirring device and drying device for sludge drying device |
| WO2016110221A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bridge-shaped member of sludge drying device for bottom ventilation and sludge drying device |
| WO2016110213A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Sludge drying system and method |
| WO2016110211A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Bottom-drying sludge drying device and method |
| WO2016110212A1 (en) * | 2015-01-07 | 2016-07-14 | 广州新致晟环保科技机械设备有限公司 | Sludge drying system and method |
| US10408538B2 (en) | 2015-01-07 | 2019-09-10 | Guangzhou Environmental Creative Solutions Co Ltd | Bottom-drying sludge drying device and method |
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