CN204939233U - Bottom drying type mud drying device - Google Patents
Bottom drying type mud drying device Download PDFInfo
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- CN204939233U CN204939233U CN201520024782.2U CN201520024782U CN204939233U CN 204939233 U CN204939233 U CN 204939233U CN 201520024782 U CN201520024782 U CN 201520024782U CN 204939233 U CN204939233 U CN 204939233U
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Abstract
The utility model provides a kind of bottom drying type mud drying device, and 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.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.On the sidewall being arranged on secondary drying chamber or the inlet mouth of bottom.The division plate of curved surface has recessed portion, forms connected entrance, and arrange bridge above connected entrance, thus form side opening at recessed portion between bridge and division plate.Be arranged on the mud turning device in the first kiln, it comprise rotation axis and fixing on the rotating shaft stir assembly, stir assembly be configured to its can shear, broken and stir mud, or/and its front end face is to also near side opening, stirs front end when assembly rotates with box lunch and strike off mud in connected entrance or neighbouring.
Description
Technical field
The utility model relates to sludge drying field, and 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
In sewage treatment process, effective lignin-sludge is very important.Usual sewage work utilization method that is concentrated and dehydration carries out landfill, solidification or drying and other treatment after the water ratio of mud is reduced to 60-80% from more than 90%.The problem that landfill is easy to make sludge fermentation and occurs secondary pollution environment, and existing solidification or drying equipment need to consume a large amount of energy because mud has strong, easily caking, difficult fragmentation the characteristic of viscosity in the process of lignin-sludge, therefore, be difficult to reduce costs and raise the efficiency.
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, has therefore both consumed the object that the energy does not reach the raising mummification efficiency of expection yet.
Chinese utility model patent (CN203319838U) proposes a kind of sludge solidification processing agitator.Mud is mixed with additive the solidification realizing mud by stirring by this stirrer, and this process does not only remove the moisture in mud, also add the volume 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 stirring mud in the first kiln, the connected entrance that dry gas is formed on division plate enters in the first kiln from secondary drying chamber and carries out mummification effect 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 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, by the connected entrance that formed on the division plate for separating the first kiln and secondary drying chamber and arrange bridge above connected entrance, thus form side opening between bridge and division plate.Dry gas enters in the first kiln by the crooked route from connected entrance to side opening by secondary drying chamber, to carry out drying from bottom to mud.Along with turning device is to shearing, the fragmentation of mud with stir, mud granule degree constantly changes, and the sponginess of mud and mobility are strengthened, thus is conducive to accelerating dry gas to the drying of mud.
Strike off the mud near side opening by the blade stirring assembly of turning device or the scraped front end of ratchet or the lateral edges of front end that is fixed on the scraped parts on blade or ratchet, make dry gas more smooth and easy to the flowing of the first kiln from secondary drying chamber.
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.
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.
What mud drying device of the present utility model utilized the turning device arranged in the first kiln stirs that assembly is constantly sheared, the broken and mud that stirs in the first kiln, can be accelerated the drying of mud by the scraped front end that is arranged on blade or the ratchet stirring assembly or the lateral edges mud struck off near side opening of front end that is fixed on the scraped parts on blade or ratchet simultaneously.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 can remove the moisture in mud, and make mud change granular into from particulate state, thus the mummification efficiency that improve mud reduces energy consumption simultaneously.
The utility model provides a kind of bottom drying type mud drying device, described mud drying device comprises housing, wherein, in described housing, be provided with the division plate of curved surface, the separated by spaces in described housing to be become at least one first kiln and at least one secondary drying chamber; Be arranged on the opening for feed for mud to be dried on the top of at least one the first kiln described and the venting port for the dry gas of sludge-drying, and be arranged on the discharge port for dried mud on the circumferential wall of at least one the first kiln described; On the sidewall being arranged at least one secondary drying chamber described or at least one inlet mouth of the dry gas for mud to be dried of bottom; The division plate of described curved surface has at least one recessed portion, wherein, form at least one connected entrance at described recessed portion, and bridge is set above at least one connected entrance described, thus form at least one side opening between described bridge and described division plate; Be arranged at least one the mud turning device at least one first kiln described, wherein, at least one mud turning device described comprises rotation axis and at least one being fixed on described rotation axis stirs assembly, wherein, described at least one stir assembly be configured to its can shear, broken and stir mud, or/and its front end face to and near at least one side opening described, with box lunch described at least one stir described front end when assembly rotates and strike off mud at least one connected entrance described or neighbouring.
Mud drying device as above, described division plate comprises twisted plate.
Mud drying device as above, the described recessed portion of the division plate of described curved surface is circular arc.
Mud drying device as above, the length direction of at least one connected entrance described intersects with the longitudinal direction of housing or vertical, wherein, the length direction that described bridge is arranged in connected entrance strides across connected entrance, and parallel with the length direction of connected entrance.
Between at least one connected entrance described and at least one side opening described, there is crooked route, enter at least one first kiln described to make dry gas from least one secondary drying chamber described.
Mud drying device as above, when at least one side opening described is two side openings, one of them side opening is provided with shutter, enters described first kiln for stopping that dry gas passes therethrough.
Mud drying device as above, 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, the broken and mud that stirs in described first kiln.
Mud drying device as above, 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, wherein, the lateral edges of the front end of at least one blade described or ratchet can strike off or partly strike off the mud near at least one side opening described.
Mud drying device as above, 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, 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.
Mud drying device as above, at least one connected entrance described on described division plate has rule or irregular shape.
Mud drying device as above, described bridge can be plate, and wherein, described plate comprises twisted plate and flat board.
Mud drying device as above, described mud drying device 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.
Mud drying device as above, described mud drying device also comprises blower unit, and wherein, described blower unit is communicated with described first kiln through described venting port.
Mud drying device as above, described mud drying device also comprises the heating unit for heat drying gas, and wherein, described heating unit is positioned at upstream or the downstream of described air-blast device.
Mud drying device as above, described mud drying device also comprises the heating unit for heat drying gas, and wherein, described heating unit is positioned at upstream or the downstream of described air-blast device.
Mud drying device as above, when at least one connected entrance described is multiple connected entrance, described multiple connected entrance is arranged in groups at certain intervals along the longitudinal direction of housing, and each connected entrance intersects with the longitudinal direction of housing, and stride across described connected entrance bridge is set on the length direction of each connected entrance, wherein, the length direction of described bridge and the length direction of connected entrance parallel.
Mud drying device as above, when at least one mud turning device described is the multiple mud turning device be arranged in parallel, 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 at least one blade or ratchet of extending radially outwardly from described rotation axis, wherein, at least one blade described or ratchet front end or be arranged on the scraped parts on blade or ratchet front end lateral edges scraped described in bridge described side opening near mud.
Mud drying device as above, described multiple mud turning device comprises two mud turning devices, and wherein, a mud turning device in described two mud turning devices multiple stir assembly and the multiple of another stir assembly layout interlaced with each other.
Mud drying device as above, described mud drying device also comprises the clean-up port for clearing up mud, wherein, on the circumferential wall that described clean-up port can be arranged on described secondary drying chamber or bottom.
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 first kiln of the mud drying device of Fig. 1;
Fig. 4 is the schematic perspective view arranging turning device in first kiln of Fig. 3;
Fig. 5 is the schematic perspective view of the turning device of mud drying device;
Fig. 6 is the stereographic map that in the part A of irising out in Fig. 1, bridge is exaggerated;
Fig. 7 is the sectional view of the bridge of the Fig. 6 intercepted along the longitudinal direction of housing;
Fig. 8 is the part sectioned view of another embodiment of bridge;
Fig. 9 is the view of the bridge of the Fig. 6 seen along the longitudinal direction of housing; And
Figure 10 is the schematic perspective view of the secondary drying chamber of the mud drying device of Fig. 1;
Figure 11 is the transverse sectional view of 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 sectional view of the mud drying device taken transverse along 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 being formed the connected entrance 5 for being communicated with the first kiln 6a and secondary drying chamber 6b, entering into the first kiln 6a to enable dry gas from secondary drying chamber 6b.As shown in the figure, although the first kiln 6a and secondary drying chamber 6b arranges also can have other arrangement form up and down.Housing 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, 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 body 2 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 making to be dried or wanting dry mud to enter the opening for feed 8 of the first kiln 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 dried mud.In a further embodiment, can will be arranged on body 2 and upper cover 3 optional position on one of them for the opening for feed 8 of the first kiln and venting port 10 as required, also the 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 the first kiln of mud drying device, wherein, division plate 4 is formed multiple rectangle connected entrance 5 arranged spaced apart and be provided with bridge 401 above each connected entrance.But connected entrance 5 can have various different shape, such as trapezoidal, rectangle, trilateral, arch, circular etc., and one or more connected entrance can be set.In other words, connected entrance 5 does not have shape and quantitative restriction, can determine as required.Bridge above connected entrance also can make corresponding change based on the shape of connected entrance.Multiple connected entrance 5 is arranged 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 X of each connected entrance 5 intersects with the longitudinal direction G of housing, preferably mutually vertical.
Fig. 4 shows the preferred embodiment arranging turning device in first kiln of Fig. 3, and wherein, two arranged parallel to each other along the longitudinal direction G of housing for turning device 7a, the 7b stirring mud.Because two turning devices 7a, 7b have same or similar structure, therefore, only to one of them turning device as turning device 7a is described in detail.Turning device 7a has rotation axis 701a and is fixed on rotation axis 701a and stirs assembly 702a for what stir mud.Stir assembly 702a and include four blades or ratchet 703a, and each blade or ratchet 703a radially stretch out from rotation axis 701a.Therefore, what rotate together with rotation axis 7a stirs the blade that assembly 702a is similar to water screw on profile.But the shape stirring assembly 702a is not limited only to this, can assembly 702a be stirred be designed to be similar to the shape of gear.Rotation axis 701a can be arranged and one or morely stir assembly 702a, and each assembly 702a that stirs can comprise one or more blade or ratchet 703a.But, each stir assembly 702a multiple blade or ratchet 703a can be differing from each other from the length that rotation axis 701a extends, and at least one stirring in assembly 702a multiple is stirred assembly and can be had the blade or ratchet that length is longer, and other stirs blade or ratchet that assembly can have length shorter.Although be fixed by welding on rotation axis 701a at illustrated blade or ratchet, but also can adopt other 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 is arranged on rotation axis 701a.The two ends of rotation axis 701a are arranged in one of them hole 201a or 201b in the opposite end walls of body 2 by bearing, as shown in Figure 3.
Although dry gas (arrow as shown in Figure 1) enters the first kiln 6a by the connected entrance 5 on division plate 4 from secondary drying chamber 6b, and discharged by venting port 10 after interacting with mud, thus add the chance that dry gas contacts with mud, but, after mud to be dried is rendered to the first kiln 6a from opening for feed 8 and is deposited in division plate 4, along with turning device 7a, 7b stirs assembly 702a, 702b stirs and the effect of dry gas, part 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, to utilize bridge 401 to stop that mud is through the leakage of connected entrance to secondary drying chamber 6b.See Fig. 2-4, the division plate 4 between the first kiln 6a and secondary drying chamber 6b is twisted plates, and also can be the plate with recessed upper surface.Look up in the side of the longitudinal direction G being transverse to housing, the shape of division plate 4 on transverse section is bent downwardly or has recessed upper surface, also namely the segment of curve of recessed portion is given prominence to downwards from the first kiln 6a towards secondary drying chamber 6b, and in other words, the first kiln 6a has the bottom of indent.Therefore, division plate is shown as recessed area at the longitudinal direction G of housing.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, 702b, and recessed area can be circular arc.The bridge being arranged on the top of connected entrance can be plate, wherein, comprises flat board, twisted plate, herring-bone plate etc.In addition, bridge 401 can be set on one or more connected entrance 5, and the quantity of connected entrance and bridge need not one_to_one corresponding.
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 form a side opening 402 in its every side.Drop from the first kiln 6a although the bridge 401 of the top of connected entrance 5 is conducive to reducing mud or leaks into secondary drying chamber 6b, the mud be deposited near side opening also disturbs dry gas and enters in the first kiln 6a from secondary drying chamber 6b.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 be able to strike off bridge 401.Can determine that turning device 7a, 7b's stirs assembly 702a, 702b interval on rotation axis 701a, 701b according to the multiple connected entrance on division plate 4 often in row or the distance that is spaced of bridge, to ensure when rotation axis rotates, each side opening 402 of lateral edges scraped bridge 401 of front end stirring the front end compared with long blade or ratchet 703a, 703b on assembly 702a, 702b or be arranged on scraped parts 704a, 704b on blade or ratchet 703a, 703b.In addition, for plate-like, gear-like stir for assembly, the protuberance on its neighboring or top or the lateral edges of tooth can be utilized to stir mud, as shown in Figures 2 and 4, two turning devices 7a, 7b are arranged to make on the first rotation axis 701a first to stir second on assembly 702a and the second rotation axis 701b to stir assembly 702b and arrange connected entrance 5 arranged spaced apart with two respectively or the bridge 401 on it is corresponding.Move smoothly through connected entrance 5 to make dry gas and enter the first kiln 6a from secondary drying chamber 6b, the blade stirring assembly 702a, 702b of turning device 7a, 7b or the length sufficiently long of ratchet 703a, 703b can be made, with box lunch stir assembly 702a, 702b rotate together with rotation axis 701a, 701b time, the lateral edges of the front end of blade or ratchet can strike off the mud near side opening 402.In general, at least one stirring in assembly 702a, 702b multiple is stirred assembly and can be had blade or ratchet 703a, 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 on it 401 of stirring assembly 702a, 702b need not one_to_one corresponding.
Fig. 5 shows another embodiment of turning device.Turning device 7 have rotation axis 701 and fixing on the rotating shaft stir assembly 702, wherein, stirs on assembly 702 and be provided with blade or ratchet 703, and the front end of blade or ratchet 703 can be used for striking off mud.Two blades or ratchet 703 stirring assembly 702 are provided with scraped parts 704, wherein, the blade or the ratchet that are provided with scraped parts are identical with the length of other blade or ratchet, and the effect of scraped parts on rooting-inofblades or ratchet is identical with the scraped front end of other blade or ratchet.In another embodiment, the blade or ratchet that stir assembly 702 can be made not identical length, and as required on shorter blade or ratchet such as its front end scraped parts 704 are installed.
Fig. 6 and 7 shows the bridge in the part A of irising out in Fig. 1 respectively with stereographic map and sectional view, wherein, the scraped front end of the blade or ratchet 703 that stir assembly is near a side opening 402 being formed between bridge 401 and division plate 4.The fixing assembly 702 that stirs on the rotating shaft is arranged to mutually corresponding with bridge, the side edge surface of front end making to stir the blade of assembly 702 or the scraped front end of ratchet 703 or be fixed on the scraped parts on blade or ratchet is to the side opening of bridge, to stir when assembly rotates, the sludge scraping near the side opening of bridge is removed, thus make the dry gas entering connected entrance 5 move smoothly through side opening 402 to enter into the first kiln 6a.Except the effect of striking off, the blade or the ratchet that stir assembly 702a, 702b also play shearing, fragmentation and stir the effect of mud.In addition, the front end of blade or ratchet or the lateral edges of front end that is fixed on the scraped parts on blade or ratchet can make to stir the blade with scraped front end of assembly or ratchet or its front end and be fixed with the blade of scraped parts or ratchet between two bridges 401, so that can sweep the side opening 402 of the opposite side of two bridges 401.
Fig. 8 shows another embodiment of bridge, wherein, at the width of bridge 401, namely the direction being roughly transverse to the longitudinal direction G of housing arranges side shield 403 to be blocked by one of them side opening 402, and only retain opposite side opening 402, thus dry gas is allowed to enter the first kiln 6a along a direction.Side shield 403 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 baffle plate 403 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.
Fig. 9 shows the position of bridge on division plate of Fig. 6 of the longitudinal direction at housing, wherein, stir the blade of assembly or the front end of ratchet 703 bottom close to kiln, and the top of blade or ratchet 703 and the distance of division plate are equal in scope striking off substantially.Be understandable that, when the hole of the rotation axis of turning device or installation rotation axis is 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, can by the distance of top to division plate selecting the length of blade or ratchet to determine blade or ratchet, to determine the sludge quantity that will strike off.In other words, turning device be sized to the radius R being less than the sunken arcs shape region of the division plate of curved surface from the axis of rotation axis to the distance r on the top compared with long blade or ratchet stirring assembly.Because the longitudinal direction G of the relative housing of rotation axis 701a, 701b of turning device 7a, 7b be arranged in parallel, therefore, rotation axis intersects with the length direction of connected entrance or bridge, preferably mutually vertical, therefore, the longitudinal direction G of the opening direction of side opening 402 and the axial direction due of rotation axis or housing is almost parallel.Dry gas just needs to turn to could arrive the first kiln 6a by side opening after inflow 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, and therefore the spillage of mud will greatly reduce.The mud struck off near side opening 402 not only can reduce the spillage of mud but also accelerate dry gas flowing, improves the drying efficiency of mud.
As shown in Figure 4, in turning device 7a, 7b of two staggered arrangement each other, on first rotation axis 701a first front end stirred the blade of assembly 702a or the scraped front end of ratchet or be fixed on the scraped parts on blade or ratchet 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, it also avoid first stir assembly 702a and second stir between assembly 702b occur interfere.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.In another embodiment, adjacent three that also can make on same rotation axis to stir assembly be one group, and the often group that the often group on each rotation axis is stirred on assembly and another rotation axis stirs assembly staggered arrangement.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 stir the blade of assembly 702a, 702b or the scraped front end of ratchet 703a, 703b or the front end of scraped parts 704a, 704b that is fixed on blade or ratchet can strike off bridge 401 side opening 402 near mud, flow into the first kiln 6a swimmingly to make dry gas.In a word, 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, 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, make in power input such as gear or belt pulley 18a drive rotation axis 701a and 701b on rotation axis 701a and 701b, thus another rotation axis is rotated.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.
See accompanying drawing, the shape of side opening 402 depends on the shape of the recessed upper surface of bridge 401 and division plate.The rotational trajectory on the shape in the transverse section of the concave part of best division plate 4 and the blade stirring assembly 702a, 702b of each turning device 7a, 7b or the scraped top of ratchet 703a, 703b or the top that is fixed on scraped parts 704a, 704b on blade or ratchet mates.Such as bridge 401 is dull and stereotyped and the recessed area of division plate 4 is circular arc time, the shape of side opening 402 is crescent.Preferably, the radius R of the division plate of curved surface in the face of the recessed circular arc region of turning device slightly larger than the axis of rotation axis to the distance r on top stirring assembly.
Figure 10 shows a preferred embodiment of the secondary drying chamber of mud drying device.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 be positioned at secondary drying chamber 6b sidewall on or bottom, enter into secondary drying chamber 6b with the dry gas being used in mud to be dried, and inlet mouth can be one or more.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 front end 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 be fixed 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 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 the mud of alluvial 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.Position near base plate 4a in secondary drying chamber 6b is provided with discharge device 25.Discharge device 25 can be spiral conveyer, but it also can be belt conveying, network chain conveying and air transporting arrangement etc.Spiral conveyer has rotation axis 25a and is fixed on the spiral 25b of rotation axis 25a, and wherein, rotation axis 25a is supported on the end wall of the lower part of body 2, and its one end is provided with power input 25c, and the other end extends to clean-up port 15a.When actuator drives rotation axis 25a rotates, mud is sent to the clean-up port 15a of one end of secondary drying chamber 6b and discharges housing by spiral 25b.Secondary drying chamber 6b is transversely roughly in doline, its sidewall is also that the sidewall of the lower part of body 2 narrows gradually towards base plate 4a, and at the position of narrowing also namely the shape at base plate 4a place be arc or semicircular, arc or semicircular radius are slightly larger than the radius of the rotational trajectory of the neighboring of spiral 25b, like this, the vertical passage of an arc section is formed in the bottom of secondary drying chamber 6b.The mud leaked from the first kiln 6a by side opening 402 can be pooled to the vertical passage of arc section, to be discharged to easily outside housing by the spiral conveyer be arranged in vertical passage.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 another embodiment, discharge opening can be formed 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, 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.
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 with reliever equally, to accelerate the flowing of tail gas, 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.
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.Stirring assembly continuous shear stress, fragmentation and while stirring mud, the lateral edges of 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 strikes off mud near side opening 402 by certain time interval.Dry gas is transported to secondary drying chamber 6b through pipeline 12a and gas feed 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 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, 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, 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 gathers recessed arc area.When the scraped front end of the blade or ratchet that stir assembly or the lateral edges of the front end that is arranged on the scraped parts on blade or ratchet skim over side opening 402, after removing the mud near it, the mud being struck off and dig the also easier recessed curved profile along division plate falls back to the lower position in the first kiln 6a, thus improves the contact frequency of dry gas and mud.
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, can continuously or discontinuous running discharge device 25.Therefore, leak into mud in secondary drying chamber 6b from the first kiln 6a can be slipped to the vertical passage of the arc section of the bottom at secondary drying chamber 6b along the sidewall on inclined-plane and be discharged by the clean-up port 15a of discharge device from one end of housing.
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.
Bottom of the present utility model drying type mud drying device can comprise various structure, and such as, Figure 11 shows the another embodiment of mud drying device.Mud drying device 1 has a Liang Ge secondary drying chamber 6b1 and 6b2 and first kiln 6a.Two turning device 7a, 7b be arranged in juxtaposition are set in the first kiln 6a, and each turning device 7a, 7b to stir assembly 702a, 702b corresponding with one of division plate 4 recessed circular arc region.Be formed with connected entrance 5 in the recessed circular arc region of division plate 4 respectively and bridge 401 is set thereon.Secondary drying chamber 6b1 with 6b2 is corresponding to the corresponding recessed area of division plate 4 respectively and be positioned at below it, to receive the mud that leaks from the first kiln 6a and to carry dry gas wherein.In other words, each secondary drying chamber 6b1 or 6b2 and the first kiln 6a corresponding section be combined in similar published mud drying device 1 above on structure and function.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.
In addition, as shown in Figure 1, in order to contribute to the drying effect improving mud, advantageously, opening for feed 8 on upper cover 3 is arranged to the one end near housing, and 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 from secondary drying chamber 6b through the dry gas that enters the first kiln 6a from connected entrance 5 to the crooked route of side opening 402 to the shearing of the lasting desiccation of mud and turning device 7a, 7b, fragmentation and tipping effect, the granularity of mud is from large to small and gradually granular by convert, and its water ratio reduces 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 (19)
1. a bottom drying type mud drying device, it is characterized in that, described mud drying device comprises:
Housing, wherein, is provided with the division plate of curved surface in described housing, the separated by spaces in described housing to be become at least one first kiln and at least one secondary drying chamber;
Be arranged on the opening for feed for mud to be dried on the top of at least one the first kiln described and the venting port for the dry gas of sludge-drying, and be arranged on the discharge port for dried mud on the circumferential wall of at least one the first kiln described;
On the sidewall being arranged at least one secondary drying chamber described or at least one inlet mouth of the dry gas for mud to be dried of bottom;
The division plate of described curved surface has at least one recessed portion, wherein, form at least one connected entrance at described recessed portion, and bridge is set above at least one connected entrance described, thus form at least one side opening between described bridge and described division plate;
Be arranged at least one the mud turning device at least one first kiln described, wherein, at least one mud turning device described comprises rotation axis and at least one being fixed on described rotation axis stirs assembly, wherein, described at least one stir assembly be configured to its can shear, broken and stir mud, or/and its front end face to and near at least one side opening described, with box lunch described at least one stir described front end when assembly rotates and strike off mud at least one connected entrance described or neighbouring.
2. mud drying device according to claim 1, is characterized in that, described division plate comprises twisted plate.
3. mud drying device according to claim 1, is characterized in that, the described recessed portion of the division plate of described curved surface is circular arc.
4. mud drying device according to claim 1, it is characterized in that, the length direction of at least one connected entrance described intersects with the longitudinal direction of housing or vertical, wherein, the length direction that described bridge is arranged in connected entrance strides across connected entrance, and parallel with the length direction of connected entrance.
5. mud drying device according to claim 1, it is characterized in that, between at least one connected entrance described and at least one side opening described, there is crooked route, enter at least one first kiln described to make dry gas from least one secondary drying chamber described.
6. bridge according to claim 1, is characterized in that, when at least one side opening described is two side openings, one of them side opening is provided with shutter, enters described first kiln for stopping that dry gas passes therethrough.
7. 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, the broken and mud that stirs in described first kiln.
8. 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, wherein, the lateral edges of the front end of 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, 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, 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.
10. mud drying device according to claim 1, is characterized in that, at least one connected entrance described on described division plate has rule or irregular shape.
11. mud drying devices according to claim 1, is characterized in that, described bridge can be plate, and wherein, described plate comprises twisted plate and flat board.
12. 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.
13. mud drying devices according to claim 1 or 12, 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.
14. mud drying devices according to claim 12, is characterized in that, it also comprises the heating unit for heat drying gas, and wherein, described heating unit is positioned at upstream or the downstream of described air-blast device.
15. mud drying devices according to claim 13, is characterized in that, it also comprises the heating unit for heat drying gas, and wherein, described heating unit is positioned at upstream or the downstream of described air-blast device.
16. mud drying devices according to claim 1, it is characterized in that, when at least one connected entrance described is multiple connected entrance, described multiple connected entrance is arranged in groups at certain intervals along the longitudinal direction of housing, and each connected entrance intersects with the longitudinal direction of housing, and stride across described connected entrance bridge is set on the length direction of each connected entrance, wherein, the length direction of described bridge is parallel with the length direction of connected entrance.
17. mud drying devices according to claim 16, it is characterized in that, when at least one mud turning device described is the multiple mud turning device be arranged in parallel, 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 at least one blade or ratchet of extending radially outwardly from described rotation axis, wherein, the front end of at least one blade described or ratchet or be arranged on the scraped parts on blade or ratchet front end lateral edges scraped described in bridge described side opening near mud.
18. mud drying devices according to claim 17, it is characterized in that, described multiple mud turning device comprises two mud turning devices, wherein, a mud turning device in described two mud turning devices multiple stir assembly and the multiple of another stir assembly layout interlaced with each other.
19. mud drying devices 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024782.2U CN204939233U (en) | 2015-01-07 | 2015-01-07 | Bottom drying type mud drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024782.2U CN204939233U (en) | 2015-01-07 | 2015-01-07 | Bottom drying type mud drying device |
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| CN204939233U true CN204939233U (en) | 2016-01-06 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| CN106381835A (en) * | 2016-08-29 | 2017-02-08 | 娄晓曼 | Rapid drainage solidification unit for bottom mud generated in river and lake dredging |
| CN112429934A (en) * | 2020-11-10 | 2021-03-02 | 中国科学院广州能源研究所 | Sludge drying material moisture conduction accelerating device |
| TWI723775B (en) * | 2020-02-14 | 2021-04-01 | 格泰綠能科技有限公司 | Box type drying and venting device |
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2015
- 2015-01-07 CN CN201520024782.2U patent/CN204939233U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| US10408538B2 (en) | 2015-01-07 | 2019-09-10 | Guangzhou Environmental Creative Solutions Co Ltd | Bottom-drying sludge drying device and method |
| CN106381835A (en) * | 2016-08-29 | 2017-02-08 | 娄晓曼 | Rapid drainage solidification unit for bottom mud generated in river and lake dredging |
| TWI723775B (en) * | 2020-02-14 | 2021-04-01 | 格泰綠能科技有限公司 | Box type drying and venting device |
| CN112429934A (en) * | 2020-11-10 | 2021-03-02 | 中国科学院广州能源研究所 | Sludge drying material moisture conduction accelerating device |
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