CN204529633U - The control device of sludge drying - Google Patents
The control device of sludge drying Download PDFInfo
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- CN204529633U CN204529633U CN201520024762.5U CN201520024762U CN204529633U CN 204529633 U CN204529633 U CN 204529633U CN 201520024762 U CN201520024762 U CN 201520024762U CN 204529633 U CN204529633 U CN 204529633U
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Abstract
The utility model proposes a kind of control device for sludge drying, it comprises modified function unit, and it is for controlling mixing of adjusting material and mud.Dehydration function unit, it is for controlling the dehydration to modified mud.Feed control parts, it to enter the amount of the first kiln of sludge drying machine by opening for feed for the mud controlling to dewater.Turning device function unit, it is arranged on the turning device in the first kiln of sludge drying machine for controlling, it comprise rotation axis and around rotation axis rotate stir assembly.First discharging function unit, it is for controlling the first discharge port, discharges from the first discharge port to make the mud the first kiln inner drying is complete.Air intake function unit its for controlling air-blast device, to make dry gas pass through, the blast inlet be arranged on the housing of sludge drying machine enters secondary drying chamber.
Description
Technical field
The present invention relates to sludge drying field, in general, relate to a kind of control device for mud drying process, and relate to a kind of control device for bottom kiln sludge drying particularly.
Background technology
In modern city, the process of sewage is absolutely necessary, and can produce a large amount of mud along with the process of sewage.At present, sewage work generally adopts method that is concentrated or dehydration to carry out process in early stage to mud, the water ratio of mud is reduced to 60-80% from more than 90%, carries out landfill, solidification or drying and other treatment afterwards to processed mud.Landfill easily makes sludge fermentation and occurs the problem of secondary pollution environment, and existing solidification or the low and energy consumption of drying equipment usual mummification efficiency large, be difficult to realize also processing a large amount of mud while reduction moisture percentage in sewage sludge.Usually need the water ratio of mud to be reduced to 40-60% from more than 90% through multiple sludge handling process, and these sludge handling process are all unaided in each equipment.These sludge treatment devices have volume large, arrange the defects such as dispersion, function singleness and energy consumption are large.
Chinese invention patent application (CN101186422A) proposes a kind of enclosed multi-chamber fluidized bed drying method for sludge.The fluidized-bed adopted in this method not only consumes the energy and efficiency is very low, is difficult to realize continuously and large-scale sludge drying process.
Chinese utility model patent (CN203319838U) proposes a kind of sludge solidification processing agitator.This stirrer, by additive being blended in mud the water ratio reducing mud, not only increases the amount of mud, but also causes the mud after solidifying not recycle.
Because mud has, viscosity is strong, easily caking, difficult broken characteristic, existing sludge drying device be difficult to realize to this kind of mud carry out on a large scale drying and other treatment to reduce the water ratio of mud.Do not have a kind of sludge drying device the mud of water ratio more than 90% can be converted into the mud of water ratio below 40% at present, and without any the control device for controlling a kind of like this sludge drying device.
Summary of the invention
The present invention proposes a kind of control device for sludge drying, can flexible and convenient be realized by control device to the control of each sludge drying machine and mud drying process fast and effectively, thus improve drying sludge efficiency.
Of the present invention in the control device of sludge drying, by to modifying device, dewatering unit, desiccation machine, opening for feed, turning device, the control of the first discharge gate and air-blast device makes the drying process of mud become flexibly in order, reliable and stable, and by combining such as shredder assembly, blower unit, the control of heat exchanger and the second discharge gate can make mud be converted in the process of the mud of water ratio less than 40% can not only save the energy from liquid or semi-solid state mud, raise the efficiency, but also the drying sludge process of large-scale standardized can be realized.
Of the present invention for processing in drying sludge process and carrying in the control device of mud, by can implement the drying process of mud as required to the control of modifying device, dewatering unit, desiccation machine, opening for feed, turning device and the first discharge gate, to be suitable for different sludge drying machines, and the drying process of mud can be made by combining more perfect to the control of such as shredder assembly and the second discharge gate, and contribute to the mummification efficiency improving mud.
Be used for carrying in the control device of dry gas in drying sludge process going for different mud drying process in the present invention, by effectively can configure existing installation to the control of turning device and air-blast device and the conveying implementing dry gas to promote the drying process of mud, and dry gas is more effectively carried to the control of such as blower unit and heat exchanger by combining and can be configured to neatly in different sludge drying devices, thus the energy can be saved, raise the efficiency.
Said apparatus of the present invention can be applied in the drying type sludge drying machine of bottom, and by be arranged on turning device in the first kiln of sludge drying machine stir assembly stir and stir blade on assembly or ratchet stirring mud, shear and fragmentation, mud is contacted fully with dry gas, thus solve in mud exists in drying process, the problem that outside degree of drying is uneven, wherein, dry gas enters into the first kiln by the side opening being arranged on bridge above connected entrance or connected entrance that the partition wall for separating the first kiln and secondary drying chamber is formed and partition wall and being formed by secondary drying chamber, and, stir the blade of assembly or the front end of ratchet and the contact frequency not only increasing dry gas and mud is struck off to the mud near connected entrance or side opening, also promote mud to change from bulk body or fragment to particulate state and granular, accelerate the drying of mud.
Accompanying drawing explanation
The structure of the preferred embodiments of the invention, advantage and technique effect is described in detail below in conjunction with accompanying drawing and specific embodiment, wherein:
Fig. 1 is the schematic diagram of the control device of the sludge drying for bottom drying type of the present invention;
Fig. 2 is the schematic diagram of the control section of mud drying process in the control device shown in Fig. 1;
Fig. 3 is the schematic diagram of the control section of dry gas in shown control device;
Fig. 4 is the longitudinal sectional view of the sludge drying machine in Fig. 1;
Fig. 5 is the transverse sectional view of desiccation machine in Fig. 4;
Fig. 6 is the part isometric schematic diagram of another embodiment of the sludge drying machine shown in Fig. 4; And
Fig. 7 is the part isometric schematic diagram of the another embodiment of the sludge drying machine shown in Fig. 4.
Embodiment
Fig. 1 shows the preferred embodiment of the control device of the sludge drying for bottom drying type of the present invention.Control device for sludge drying of the present invention can control to realize to each sludge treatment equipment the mud liquid or semi-solid state mud being transformed into granular in drying sludge process.As shown in the figure, control device 1 can have the function unit 101a1 for controlling the modified process of mud, for controlling the function unit 101a2 of sludge dehydration process, for controlling the function unit 101a4 to sludge drying machine conveying mud, for controlling the function unit 101a5 that turning device runs, the first function unit 101a6 of the first kiln is discharged for controlling dried mud, the second function unit 101a7 of secondary drying chamber is discharged for controlling dried mud, and for controlling the function unit 101b1 blowing dry gas to secondary drying chamber.
The modified function unit 101a1 mixed with mud for controlling adjusting material is electrically connected to modifying device 102, and is provided with proofing unit 102b in modifying device 102, mixes situation with what detect adjusting material and mud.In modified process, modified function unit 101a1 can control the mixing process of adjusting material and mud, and this modified process can improve the dehydration property of mud so that the dehydration of mud.When the data of proofing unit 102b are sent to data sink 101c, and when related data reaches predetermined numerical value, modified function unit 101a1 controls modifying device 102 and is transported to dewatering unit 103 to make modified mud.If the data detected do not reach predetermined numerical value, modified function unit 101a1 controls modifying device to be continued to implement modified process.Dehydration function unit 101a2 for controlling sludge dewatering is electrically connected with dewatering unit 103.When the mud after modified is after Cemented filling to the dewatering unit 103 being arranged in modifying device downstream, dehydration function unit 101a2 handles dewatering unit 103 to filter modified mud, thus reduces the water ratio of mud.Moisture in mud can be separated the object reaching dehydration by filtering, and the mud through dewatering becomes bulk or the bulk of solid substantially, the blocks be also namely shaped.If this information is sent to data sink 101c by the proofing unit 103b be arranged in dewatering unit 103, dehydration function unit 101a2 can handle the mud of dewatering unit discharge dehydration, so as mud by transport unit as pipeline, funnel or travelling belt etc. enter the sludge drying machine 104 in downstream.If the information detected shows that the water ratio of dewatered sludge does not reach predetermined numerical value, dehydration function unit 101a2 continues to run dewatering unit 103 to dewater to mud again.
Feed control parts 101a4 is electrically connected to the flashboard of the opening for feed 8 of sludge drying machine 104 or movable plate etc. by switch 8a, and can be controlled to the feeding in the first kiln 6a of sludge drying machine 104 by the gate valve of opening or closing opening for feed 8 place.The water ratio of sludge quantity in the first kiln 6a and mud can be detected by the proofing unit 104b be arranged in sludge drying machine 104 and associated data are sent to data sink 101c.In addition, proofing unit 104b can also implement the detection to the dry gas in the first kiln and/or secondary drying chamber, such as, and the temperature, speed etc. of dry gas and the out of Memory relevant with drying sludge.
Air intake function unit 101b1 is electrically connected with air-blast device 106 by switch 106a, in order to control the dry gas for sludge-drying be transported to by blast inlet 15 in the secondary drying chamber 6b of sludge drying machine 104.Turning device function unit 101a5 is electrically connected with the driving power-equipment for the turning device stirring mud be arranged in the first kiln 6a by switch 18a, to make turning device run by driving the power intake 18 of turning device, wherein, turning device comprise rotation axis and around rotation axis rotate stir assembly.Under the drive of rotation axis, stir the front end of assembly or the blade on it or ratchet can stirring, shearing and the mud of broken dehydration the mud that can strike off near the connected entrance on the partition wall for separating the first kiln and secondary drying chamber, enter the first kiln by connected entrance to make to enter dry gas in secondary drying chamber and flow out the first kiln from air outlet after contacting with mud.After data are sent to data sink 101c by proofing unit 104b, according to obtained sludge quantity, the mud that feed control parts 101a4 controls dehydration by switch 8a is entered in the first kiln 6a by opening for feed 8.After detecting that mud enters sludge drying machine, air intake function unit 101b1 controls the operation of air-blast device 106 by switch 106a, makes dry gas enter secondary drying chamber 6b by blast inlet 15 and flow to the first kiln 6a by connected entrance.Afterwards, turning device function unit 101a5 runs turning device by switch 18a steering maneuver equipment, thus the assembly that stirs of turning device is rotated.Owing to stirring the mud near striking off on partition wall in the front end of assembly or the blade on it or ratchet connected entrance, the dry gas in secondary drying chamber is made to enter the first kiln by connected entrance and flow out from venting port after contacting with mud.Like this, control device for sludge drying of the present invention or the control device for mud drying device complete the control process making the water ratio of mud be reduced to the sludge drying of less than 40% from more than 80%, thus achieve mud and to the transformation of powder, and then improve the mummification efficiency of mud from liquid or semisolid, bulk body or block, fragment, particle.
When proofing unit 104b detects the numerical value that the water ratio of mud reaches predetermined, switch 9a is opened by the first discharging function unit 101a6, so that will the such as gate valve or the unlatching of movable plate that are positioned at discharge port 9 place be made, thus first discharge port 9 of mud complete for drying from the first kiln 6a is discharged.Due to the existence of connected entrance, can fall from the first kiln at the mud of a drying process part for mud or leak in secondary drying chamber, for this reason, in secondary drying chamber, be provided with discharge device 25, in order to the mud that discharge drying is wherein complete.Second discharging function unit 101a7 makes by switch 25a the such as gate valve or the unlatching of movable plate that are positioned at discharge port (not shown) place, discharges from the second discharge port of secondary drying chamber to make mud.
In order to obtain better drying effect, also shredder assembly 105 can be set in the downstream of dewatering unit 103, and shredder assembly 105 is electrically connected with broken function unit 101a3.Sludge solids after dehydration is transported to shredder assembly 105 by transport unit.The operation of broken function unit 101a3 controlled fragmentation device 105.Because the size of the solid-state bulk after dehydration or block mud is uneven, thus in the drying process of sludge drying machine, the block mud of different size may cause the degree of drying of each block different, and the block sludge crushing of the dewatering unit from upstream can be become small blocks or the fragment of size uniform by shredder assembly 105.When the mud fragment that the proofing unit 105b in shredder assembly 105 detects wherein reaches predetermined size and associated data are sent to data sink 101c, such as gate valve or movable plate etc. that feed control parts 101a4 controls to open opening for feed 8 place by switch 8a make broken mud enter the first kiln 6a of sludge drying machine 104.
Control device 1 can also comprise the air output control parts 101b3 for controlling blower unit 107, to be transported to outside the first kiln 6a by blower unit 107 by the venting port 10 of the dry gas of complete for drying mud by the first kiln.Blower unit 107 is arranged on the downstream of sludge drying machine and is communicated with the first kiln 6a by the venting port 10 on the top of the first kiln of sludge drying machine 104, and blower unit 107 can make the tail gas of complete for drying mud or dry gas accelerate outflow first kiln.Air output control parts 101b3 is electrically connected with blower unit 107 by switch 107a, and data sink 101c receives data that proofing unit 104b transmits and this data can handle the operation of blower unit 107 by air output control parts 101b3 by switch 107a lower than during predetermined numerical value.
In addition, heat exchange function unit 101b2 can also be set at control device 1, and heat exchange function unit 101b2 is electrically connected with heat exchanger 108 by switch 108a.Heat exchanger 108 is associated with air-blast device 106 and blower unit 107, and wherein, the hot junction of heat exchanger 108 is connected with air-blast device 106, and its cold junction is connected with blower unit 107.Like this, tail gas from blower unit 107 passes through the cold junction of heat exchanger 108, and the hot junction of dry gas by heat exchanger 108 of the outside of air-blast device 106 will be entered, heat exchanger 108 is made to reclaim the heat in tail gas by heat-exchanging part and transfer heat to the dry gas for mud to be dried that will enter air-blast device 106, to improve thermo-efficiency.The data that can transmit to receptor 101c according to proofing unit 104b, are handled the operation of heat exchanger 108 by heat exchange function unit 101b2 by switch 108a, to realize the heat recycling in tail gas.
Although described above is the control sequence of each function unit, these are only for convenience of description, and can adjust based on needs for the control sequence of each function unit above-mentioned.Such as, air intake function unit 101b1, turning device function unit 101a5, air output control parts 101b3 and heat exchange function unit 101b2 can separately sequentially also can simultaneously together with start.In addition, the proofing unit in each device can adopt independent automatic or manual detection mode.
Fig. 2 shows another preferred embodiment of the control device of the sludge drying for bottom drying type of the present invention, and wherein, this control device can control the treating processes of mud in drying sludge process.Control device for process in drying sludge process and conveying mud of the present invention comprises the function unit 101a1 had for controlling the modified process of mud, for controlling the function unit 101a2 of sludge dehydration process, for controlling the function unit 101a4 to sludge drying machine conveying mud, for controlling the function unit 101a5 that turning device runs, discharging the first function unit 101a6 of the first kiln for controlling dried mud, discharging the second function unit 101a7 of secondary drying chamber for controlling dried mud.
As mentioned above, modified function unit 101a1 is electrically connected with modifying device 102, and control modifying device 102 comprise start and the operation such as shutdown.Monitor the mixing process of adjusting material and mud by proofing unit 102b and according to the data that proofing unit 102b feeds back, modifying device controlled, until the modified effect desired by obtaining.Concentration once mixture reaches predetermined numerical value modified function unit 101a1 and just stops the operation of modifying device 102 and control e Foerderanlage modified mud is transported to dewatering unit 103.
Dehydration function unit 101a2 is electrically connected with dewatering unit 103, and controls the operation of dewatering unit 103.Along with modified mud through piping to the conveying of dewatering unit 103 being positioned at modifying device downstream, dehydration function unit 101a2 handles dewatering unit 103 and receives mud and carry out processed to modified mud.Adopt filtration to dewater in the present invention, but also adopt the method that other dewaters, such as centrifuge dehydration etc., to reduce the water ratio of mud.Mud through dehydration generally forms bulk or the bulk of solid.After data sink 101b receives the information and data that dewatering unit 103 completes dehydration, dehydration function unit 101a2 can handle the mud of dewatering unit discharge dehydration and it is transported to the sludge drying machine 104 in downstream by e Foerderanlage.
Feed control parts 101a4 is electrically connected to the opening for feed 8 of sludge drying machine 104, and the gate valve can being opened or close opening for feed 8 place by switch 8a controls the sludge quantity that enters in the first kiln 6a of sludge drying machine 104.Controlled the sludge quantity entered in the first kiln 6a by feed control parts 101a4 by turn on-switch 8a after the data that acquisition proofing unit 104b provides.
Turning device function unit 101a5 is electrically connected with the power intake 18 of turning device by switch 18a, and control power-equipment drives power intake 18 to make the turning device be arranged in the first kiln 6a run, along with turning device stir the front end of assembly or the blade on it or ratchet is sheared, mud near connected entrance on the broken and mud that stirs dehydration and the partition wall striking off between the first kiln and secondary drying chamber, make dry gas enter the first kiln to carry out drying to mud from secondary drying chamber by connected entrance.
First discharging function unit 101a6 is electrically connected, to control unlatching or the closedown of gate valve with such as gate valve or the movable plate etc. at the first discharge port 9 place on the end wall being positioned at the first kiln 6a by switch 9a.When the water ratio of the relevant mud that proofing unit 104b transmits to receptor 101b arrives predetermined threshold value, first discharging function unit 101a6 turn on-switch 9a, to open the gate valve at the first discharge port 9 place, discharges from the first discharge port to make the complete mud of the first kiln inner drying.
In addition, control device of the present invention can also arrange broken function unit 101a3, wherein, broken function unit 101a3 is electrically connected with shredder assembly 105, to carry out fragmentation to it, the bulk of the dewatering unit from upstream or the sludge crushing of bulk to be become small blocks or the fragment of size uniform before the mud of dehydration enters into sludge drying machine 104.Receive after relevant mud fragment that proofing unit 105b in shredder assembly 105 sends reaches predetermined dimension threshold at data sink 101b, broken function unit 101a3 handles shredder assembly 105, carries towards the first kiln 6a of sludge drying machine 104 to make broken mud.
Device of the present invention can also comprise the second discharging function unit 101a7, wherein, second discharging function unit is electrically connected by switch 25a and the discharge device 25 in secondary drying chamber 6b and such as gate valve or the movable plate etc. that are positioned at the second discharge gate place, to control the operation of discharge device 25 and the unlatching of gate valve or closedown.Because mud can leak in secondary drying chamber 6b from the first kiln by the connected entrance 5 on the partition wall 4 between the first kiln and secondary drying chamber, so the mud leaking into secondary drying chamber 6b is discharged from the second discharge port by the data turn on-switch 25a that the second discharging function unit 101a7 can receive from proofing unit 104b according to receptor 101b the gate valve running discharge device 25 and open the second discharge gate.
Fig. 3 shows the another preferred embodiment of the control device of the sludge drying for bottom drying type of the present invention, and wherein, this control device can control the conveying of dry gas in drying sludge process.
Of the present invention for carrying the control device of dry gas to comprise for controlling to the air intake function unit 101b1 of secondary drying chamber's air-supply and the turning device function unit 101a5 for stirring the mud in the first kiln in drying sludge process.
As mentioned above, air intake function unit 101b1 is electrically connected with air-blast device 106, and controls startup or the closedown of air-blast device 106 by switch 106a.In addition, the information of the wind-force of the relevant dry gas that air intake function unit 101b1 can also receive from proofing unit 104b according to data sink 101a regulates the operation of air-blast device 106, with the wind-force be applicable to secondary drying chamber's conveying.
Turning device function unit 101a5 is electrically connected with the power intake 18 of the turning device be arranged in the first kiln 6a, open or close the power-equipment driving power intake 18 by switch 18a, and control the operation of turning device simultaneously, such as stir the front end of assembly or the blade on it or ratchet by the speed adjustment of the rotation axis controlling turning device to shear, broken and stir mud and strike off the mud near the connected entrance on the partition wall between the first kiln and secondary drying chamber, and then control dry gas enters the first kiln by connected entrance flow velocity from secondary drying chamber.
Control device of the present invention can also comprise air output control parts 101b3, wherein, air output control parts 101b3 is electrically connected with blower unit 107, and the data received from proofing unit 104b according to data sink 101a or information are started by switch 107a air output control parts 101b3 or closes blower unit 107.In addition, air output control parts 101b3 also can control the operation of blower unit 107, thus regulates tail gas to flow out the speed of the venting port 10 on the top of the first kiln of sludge drying machine 104.
Control device of the present invention can also comprise heat exchange function unit 101b2, and wherein, heat exchange function unit 101b2 is electrically connected with heat exchanger 108.By the hot junction of heat exchanger 108 is connected with air-blast device 106, and its cold junction is connected with blower unit 107 and can will be delivered in the dry gas that will be transported to by air-blast device in secondary drying chamber, to effectively utilize used heat from the heat the tail gas that the first kiln is discharged by blower unit.The data that can receive from proofing unit 104b according to receptor 101 or information, to be started by heat exchange function unit 101b2 by switch 108a or close heat exchanger 108, and controlling its operation as required.A preferred embodiment of the sludge drying machine 104 that the control device 1 that the form cut open with vertical and horizontal respectively in Figure 4 and 5 shows sludge drying as shown in Figure 1 controls.As shown in the figure, sludge drying machine 104 comprises housing, and housing comprises upper housing 2, lower housing 4a and upper cover (or lid) 3.The bottom of upper housing 2 is used as the partition wall 4 internal space of housing being separated into the first kiln 6a and secondary drying chamber 6b.Wherein, upper housing 2 and upper cover 3 form the first kiln 6a, and the bottom of lower housing 4a and upper housing 2 and partition wall form secondary drying chamber 6b.Partition wall 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.But, housing can be formed by multiple parts or constructed in various ways, such as, the sidewall of the upper housing 2 illustrated can separate with partition wall 4 and manufactures, wherein, plate-shaped member can be used as division plate with alternative partition wall, division plate to be arranged on sidewall, and also sidewall, division plate and lower housing 4a can be fitted together.In addition, lower housing 4a and partition wall 4 can also be integrally formed, and cancel the bottom of lower housing, lower housing 4a is arranged on ground etc.The shape of upper housing or the first kiln 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 away from the upper housing 2 near the partition wall 4 of opening for feed 8, is provided with the discharge port 9 for dried mud.In a further embodiment, can as required by be arranged on for the opening for feed 8 of the first kiln and venting port 10 upper housing 2 and upper cover 3 one of them on optional position, the also optional position of the i.e. upper part of the first kiln 6a.Equally, discharge port 9 can be arranged on the optional position comprising the circumferential wall of sidewall and end wall of upper housing 2, is also the optional position of the circumferential wall of the first kiln 6a.
Fig. 6 shows another embodiment of the sludge drying machine being similar to Fig. 4, wherein, unlike, wherein have employed there are three blades stir assembly.The bottom and partition wall 4 of the first kiln 6a are formed two row's connected entrances 5 and have multiple connected entrance 5 arranged spaced apart in that, in each row, but is provided with bridge 401 above each connected entrance of multiple connected entrances of a row wherein.Except the rectangle illustrated, connected entrance 5 can have various different shape, such as trapezoidal, rectangle, trilateral, arch, circular etc.The length direction X of each connected entrance 5 intersects with the longitudinal direction G of housing, preferably mutually vertical, and multiple connected entrances 5 of each row intersect or almost parallel arrangement with the longitudinal direction G of housing.
Fig. 7 shows the another embodiment of the sludge drying machine being similar to Fig. 4, wherein, unlike, a part for the connected entrance on partition wall is provided with bridge.Two are be arranged in parallel for stirring turning device 7a, 7b of mud along the longitudinal direction of housing in the first kiln.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.See Fig. 7, 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.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.Preferably, multiple each assemblies that stir stirring assembly 702a on rotation axis 701a correspond to each other with each connected entrance in multiple connected entrance 5 respectively, and the top end face of the blade usually stirred on assembly or ratchet 703a is to connected entrance 5, and the length of blade or ratchet 703a is configured to its front end or top can strike off mud in connected entrance or neighbouring, so that the dry gas in secondary drying chamber 6b can move smoothly through connected entrance 5 enter the first kiln 6a.
Although dry gas (as shown by arrows) enters the first kiln 6a by the connected entrance 5 on partition wall 4 from secondary drying chamber 6b, and is discharged by venting port 10 after interacting with mud, to increase the chance that dry gas contacts with mud.But, when mud to be dried to be rendered in the first kiln 6a and after being deposited on partition wall 4 through opening for feed 8, stir stirring and the effect of dry gas of assembly 702a, 702b along with turning device 7a, 7b, a part of 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.As shown in the figure, another row multiple connected entrances each above be provided with bridge 401.The length direction X that bridge 401 is arranged in connected entrance strides across connected entrance 5, and almost parallel with the length direction 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 partition wall 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 partition wall 4, and can form side opening 402 in the side of bridge 401 or form a side opening 402 in its every side.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.The bridge 401 of the top of connected entrance 5 is conducive to reducing mud and drops from the first kiln 6a or leak into secondary drying chamber 6b, but the mud be deposited near side opening also disturbs dry gas enters in the first kiln 6a from secondary drying chamber 6b.In order to promote the flowing of dry gas, each lateral edges being configured to its blade or the front end of ratchet 703b or front end stirring assembly 702b of turning device 7b can strike off the mud near the side opening 402 of 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 partition wall 4 often in row or the distance that is spaced of bridge, so as when rotation axis to rotate near each connected entrance or bridge mud can be struck off by the front end of the blade or ratchet that stir assembly.In a word, connected entrance or the bridge position on partition wall with stir assembly position on the rotating shaft and be associated, but 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.Equally, bridge 401 need not be set for the top of each connected entrance 5.
As shown in figs. 4-7, the partition wall 4 between the first kiln 6a and secondary drying chamber 6b has recessed upper surface.Look up in the side of the longitudinal direction G being transverse to housing, the upper surface of partition wall 4 has recessed shape, and the segment of curve on also namely recessed surface 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, partition wall is shown as recessed area at the longitudinal direction G of housing.As shown in the figure, the partition wall 4 of curved surface is recessed towards the region of each turning device of two turning devices 7a, 7b, and preferably each recessed area is corresponding with stirring assembly 702a or 702b, and recessed area can be circular arc.The bridge being arranged on the top of connected entrance can be plate, wherein, comprises flat board, twisted plate, herring-bone plate etc.Dull and stereotyped bridge 401 is positioned at the top of connected entrance 5 and is parallel to each other with connected entrance in the longitudinal direction, thus forms side opening 402 between bridge 401 and partition wall 4.If when the recessed area of partition wall 4 is circular arc, so the shape of side opening 402 just presents crescent.Therefore, the shape of side opening 402 depends on the shape of the recessed area of bridge 401 and partition wall.
As shown in the figure, dull and stereotyped bridge 401 is positioned at the top of connected entrance 5 and its both sides and partition wall define two side openings 402.Dry gas as shown by arrows enters connected entrance 5 just to be needed to turn to could arrive the first kiln 6a through left or right side opening 402 from the below of partition wall 4 and secondary drying chamber 6b.Therefore, between the first kiln and secondary drying chamber, there is at least one crooked route from connected entrance to side opening, to reduce mud from the first kiln to the leakage of secondary drying chamber.Mud near one of them side opening 402 that the position stirring assembly 702b of turning device 7b makes its blade or the front end of ratchet strike off between bridge 401 and partition wall 4, and the leakage being not only conducive to reducing mud of striking off to the mud near side opening, and contribute to dry gas from the first kiln to the flowing of secondary drying chamber.In another embodiment, on the blade stirring assembly or ratchet, scraped parts can be installed, strike off mud near side opening to utilize the front end of scraped parts.In another embodiment, side shield can be set to be blocked by one of them side opening in the side of bridge 401, and only retain opposite side opening, enter the first kiln 6a to allow dry gas 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 baffle plate can make dry gas enter the first kiln 6a towards outflow side, direction opening 402, and also can prevent mud from leaking into secondary drying chamber from contrary other direction by the first kiln.
In turning device 7a, 7b of two staggered arrangement each other, on first rotation axis 701a first stirs the blade of assembly 702a or the scraped front end of ratchet close to the second rotation axis 701b stirs 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, partition wall 4 can be configured to and only form multiple connected entrance 5 thereon, and each turning device 7a, 7b multiple to stir assembly 702a, 702b mutually corresponding with multiple connected entrance 5 respectively, so that the interior or neighbouring mud of connected entrance 5 can be struck off in the scraped front end of the blade or ratchet 703a, 703b that stir assembly 702a, 702b.Also bridge 401 can be set above connected entrance 5, and each turning device 7a, 7b multiple to stir assembly 702a, 702b mutually corresponding with multiple bridge 401 respectively, so that the lateral edges stirring the blade of assembly 702a, 702b or the scraped front end of ratchet 703a, 703b can strike off the mud near the side opening 402 of bridge 401, flow into the first kiln 6a swimmingly to make dry gas.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, the scraped parts can installed on blade or ratchet, so that the mud near connected entrance or side opening can be struck off in the front end of scraped parts.
One end of rotation axis 701a, 701b of two turning devices 7a, 7b can be respectively equipped with and power input.By external impetus device drives transmission mechanism, and transmission mechanism drives rotation axis 701a, 701b to rotate successively, one that makes that the power input on rotation axis 701a, 701b such as gear or belt pulley 18a drive in two rotation axiss 701a, 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.
The drying of recessed area to mud that partition wall 4 has circular arc is favourable.Because blade or ratchet 703 have circular rotational trajectory, and when the top of blade or ratchet 703 is inswept along the concave surface of the circular arc of partition wall 4, near connected entrance 5, the distance of the top of blade or ratchet 703 and the internal surface of partition wall 4 is roughly equal.The lateral edges that this arcuate shape contributes to when stir the blade of assembly or the scraped front end of ratchet or the front end that is arranged on the scraped parts on blade or ratchet skims over side opening 402, after removing the mud near it, the mud being struck off and dig the also easier recessed curved profile along partition wall falls back to the lower position in the first kiln 6a, thus improves the contact frequency of dry gas and mud.Preferably, the skeletal lines of the recessed area internal surface in the horizontal of partition wall 4 and the blade stirring assembly 702a, 702b of each turning device 7a, 7b or the scraped top of ratchet 703a, 703b or the rotational trajectory on the top of scraped parts that it is installed similar, also namely the radius 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 on top stirring assembly.
As shown in the figure, secondary drying chamber 6b comprises the inlet mouth 15 on the sidewall being arranged on lower housing 4a, also namely inlet mouth 15 is positioned on the sidewall of secondary drying chamber 6b, enter into secondary drying chamber 6b, and inlet mouth can be one or more with the dry gas being used in mud to be dried.Although the strike off mud that contributes to minimizing first kiln 6a in of front end to the mud near the side opening 402 of the bridge 401 above connected entrance 5 or connected entrance stirring the blade of assembly 702a, 702b or the scraped front end of ratchet 703a, 703b or be fixed on the scraped parts on blade or ratchet drops in secondary drying chamber 6b, but still some mud may be had to be leaked in secondary drying chamber 6b by connected entrance 5 or the crooked route from side opening to connected entrance.In order to remove the mud leaked in secondary drying chamber 6b, the end wall of lower housing 4a is 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, discharge device can be set the position near bottom in secondary drying chamber 6b, mud be sent to the clean-up port 15a of one end of secondary drying chamber 6b and discharge housing.Secondary drying chamber 6b is transversely roughly in doline, its sidewall is also that the sidewall of lower housing 4a narrows from partition wall gradually towards bottom, and the shape that also namely bottom is located at the position of narrowing is arc or semicircular, thus form the vertical passage of an arc section in the bottom of secondary drying chamber 6b.The mud leaked by the first kiln 6a by the crooked route from side opening to connected entrance can be pooled in the vertical passage of arc section, to be discharged to easily outside housing by the discharge device 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 order to keep the opposing seal of secondary drying chamber 6b, movable baffle plate can being set at 15a place, clean-up port, to make dry gas not leak, and when discharging mud, shifting board being opened.
As mentioned above, at this control device for sludge drying of the present invention proposed, for the control device of process in drying sludge process and conveying mud with for carrying the control device of dry gas to go for different mud drying process in drying sludge process, and these devices both can be used alone and also can be combined with each other.And the different function uniies in these devices can carry out combining and form new control device by those skilled in the art as required, and these new control device are the design desired by the present invention equally.
Although list preferred embodiment multiple in this application, but the present invention 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 sludge drying machine of bottom of the present invention or device and retrofit by above-mentioned design philosophy of the present invention, and these changes or remodeling are all within concept of the present invention.
Claims (3)
1., for process in drying sludge process and the control device carrying mud, described control device comprises:
Modified function unit, described modified function unit is for controlling the mixing, to improve the dehydration property of mud of adjusting material and mud;
Dehydration function unit, described dehydration function unit for controlling the dehydration to modified mud, to reduce the water ratio of described mud;
Feed control parts, described feed control parts to enter the amount of the first kiln of sludge drying machine by opening for feed for the mud controlling to dewater;
Turning device function unit, described turning device function unit is for controlling the turning device for stirring mud be arranged in the first kiln of desiccation machine, wherein, described turning device comprise rotation axis and rotate around described rotation axis stir assembly so that described in stir assembly and can stir, shear and the mud of broken dehydration; And
First discharging function unit, described first discharging function unit, for controlling the first discharge port, is discharged from described first discharge port to make the mud described first kiln inner drying is complete.
2. control device according to claim 1, is characterized in that, it also comprises broken function unit, and described broken function unit for controlling the fragmentation of the mud to dehydration, and makes the mud fragment after fragmentation enter into the described opening for feed of described sludge drying machine.
3. control device according to claim 1 and 2, it is characterized in that, it also comprises the second discharging function unit, described second discharging function unit, for controlling the second discharge port, is discharged from described second discharge port to make the mud leaked in described secondary drying chamber from described first kiln by the connected entrance on the partition wall for separating the first kiln and described secondary drying chamber.
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| CN201520024762.5U CN204529633U (en) | 2015-01-07 | 2015-01-07 | The control device of sludge drying |
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| 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 |
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| CN108083601A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its method of dewatered sludge |
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| 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 |
| 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 |
| CN108083587A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its manufacturing method and drying method |
| CN108083601A (en) * | 2016-11-23 | 2018-05-29 | 广州新致晟环保科技机械设备有限公司 | The combination unit of dewatered sludge and its method of dewatered sludge |
| CN112479541A (en) * | 2019-09-12 | 2021-03-12 | 广州新致晟环保科技有限公司 | Sludge drying device and using method thereof |
| CN112479541B (en) * | 2019-09-12 | 2024-05-24 | 广州正晟科技有限公司 | Sludge drying device and use method thereof |
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Address after: 510098 room 2205, starlight Ying, 119 Shui Yin Road, Yuexiu District, Guangzhou, Guangdong. Patentee after: Guangzhou Xin Zhisheng Environmental Protection Technology Co., Ltd. Address before: 510600 90, shop third, 168 new road, Yuexiu District temple, Guangzhou, Guangdong. Patentee before: Guangzhou Xinzhicheng Environmental Protection Technology Machinery Equipment Co., Ltd. |
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Assignee: Guangzhou utlity Environmental Technology Co. Ltd. Assignor: Guangzhou Xin Zhisheng Environmental Protection Technology Co., Ltd. Contract record no.: 2018440000133 Denomination of utility model: Device for sludge drying's control Granted publication date: 20150805 License type: Common License Record date: 20181017 |
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