CN209778627U - Sludge heat drying machine - Google Patents
Sludge heat drying machine Download PDFInfo
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- CN209778627U CN209778627U CN201822024960.8U CN201822024960U CN209778627U CN 209778627 U CN209778627 U CN 209778627U CN 201822024960 U CN201822024960 U CN 201822024960U CN 209778627 U CN209778627 U CN 209778627U
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- drying machine
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- heat drying
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Abstract
The utility model provides a sludge heat drying machine, which comprises a feeding device, a crushing device, a sludge control device, a transmission device and a discharge end which are arranged in sequence, wherein the transmission device comprises a first transmission part and a second transmission part which are arranged in parallel in the vertical direction; a radiation source is arranged between the first transmission part and the second transmission part; the export of mud accuse device is located the top of first transmission portion, and the filter cake is "S" type transmission on first transmission portion and second transmission portion, and the end of second transmission portion is equipped with the discharge gate, and mud accuse device includes: and a filter cake flow pipeline which is arranged at an angle of 30 degrees with the first transmission part is internally provided with a stirring and mixing mechanism. The beneficial effects of the utility model are that discharge after the mud accuse device with filter cake intensive mixing homogenization through using, be favorable to mud dehumidification to be handled, be equipped with the radiation source between first transmission portion and the second transmission portion, at the in-process abundant mummification of transmission, be favorable to carrying out abundant dehumidification mummification to mud.
Description
Technical Field
the utility model belongs to the technical field of sludge treatment, especially, relate to a sludge heat drying machine.
Background
In recent years, urban domestic sewage discharge is a main pollution source of urban water in China, a key link in sewage treatment is sludge treatment, and a sludge treatment link is to perform dehumidification and drying treatment on sludge in sewage step by step to obtain combustible dry sludge.
In the use process of the existing sludge treatment device, a large amount of chemical agents need to be added, and a combustion improver is needed in a vacuum state, so that the potential hazard of explosion exists in the sludge treatment process, the sludge treatment process needs to be repeated for multiple times, the drying degree is still not high, a large amount of energy is lost in the sludge treatment process, the energy waste is caused, and the national requirements on energy conservation and emission reduction are not met.
SUMMERY OF THE UTILITY MODEL
the utility model discloses a there is explosion hidden danger at the in-process that uses to sludge treatment equipment among the solution background art, and need repeat many times dehumidification mummification, and a large amount of energy of dehumidification mummification in-process loss, dehumidification mummification effect is not good, and the technical problem of inefficiency, provides a sludge heat drying machine.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a sludge heat drying machine, is including feed arrangement, reducing mechanism, mud accuse device, transmission device and the discharge end that sets gradually, wherein:
the transmission device comprises a first transmission part and a second transmission part, and the first transmission part and the second transmission part are arranged in parallel in the vertical direction; a radiation source is arranged between the first transmission part and the second transmission part;
The outlet of the mud control device is positioned at the initial end of the first conveying part, the filter cake is conveyed on the first conveying part and the second conveying part in an S shape, the tail end of the first conveying part is shorter than the initial end of the second conveying part, the tail end of the second conveying part is provided with a discharge port, and the discharge port is in a funnel shape;
the mud control device includes: and a filter cake flow pipeline which is arranged at an angle of 30 degrees with the first transmission part is internally provided with a stirring and mixing mechanism.
preferably, the filter cake flow pipeline comprises a filter cake flow section, and the pipeline at the tail end of the filter cake flow section is linearly enlarged along the radial direction of the pipeline.
Preferably, the stirring and mixing mechanism is disposed in the filter cake flowing section, and the stirring and mixing mechanism includes a rotating shaft, and a first spiral stirring blade and a second spiral stirring blade disposed on the rotating shaft, wherein:
The first spiral stirring blade is fixed on the rotating shaft;
And the two sides of the rotating shaft are fixedly provided with a connecting rod mechanism, the second spiral stirring blade is fixed on a connecting rod of the connecting rod mechanism, and the second spiral stirring blade is positioned on the periphery of the first spiral stirring blade.
Preferably, a choke is also provided, the choke being located at the end of the cake flow section.
preferably, the radiation source comprises a rotating shaft arranged in the center of the radiation source, and a plurality of radiation tubes are fixedly arranged on the edge of the rotating shaft.
Preferably, the radiant tubes are uniformly distributed along the circumferential direction of the rotating shaft, and a plurality of radiant tubes surround the outer side of the rotating shaft to form a circumference.
Preferably, a circumference fixed disk is fixedly arranged on the rotating shaft, a hole is formed in the circumference fixed disk, and the radiant tube extends into the hole and is fixedly connected with the circumference fixed disk.
Preferably, the radiation source further comprises a protective cover, and the protective cover is arranged outside the circumference surrounded by the radiation tube.
Preferably, a plurality of damp and hot air outlets are formed at the top end of the first transmission part, and a plurality of dry and hot air inlets are formed at the bottom end of the second transmission part.
Preferably, the drying system further comprises a dehumidification heat pump, a condensate pipe is connected to the upper portion of the dehumidification heat pump, an air inlet of the dehumidification heat pump is communicated with the hot humid air outlet through a pipeline, and an air outlet of the dehumidification heat pump is communicated with the hot dry air inlet through a pipeline.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the filter cakes are fully mixed and homogenized by using the sludge control device and then discharged, so that sludge dehumidification treatment is facilitated, the homogenized filter cakes are transmitted in an S shape on the first transmission part and the second transmission part, the radiation source is arranged between the first transmission part and the second transmission part, and the sludge is fully dried in the transmission process, so that the dehumidification and drying efficiency is further improved, a plurality of hot and humid air outlets are arranged at the top end of the first transmission part, a plurality of hot and dry air inlets are arranged at the bottom end of the second transmission part, so that the sludge is fully dehumidified and dried, the treated sludge is finally discharged through the discharge port 5, the water content of the sludge is reduced to be below 6%, the weight of the sludge can be reduced by more than 85%, in the use process, multiple treatments are not required, chemical reagents are not required to be added, explosion hazards do not exist, the energy utilization rate is high, and the dehumidification and drying efficiency is high, the effect is good.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the mud control device of the present invention.
Fig. 3 is a schematic structural diagram of the stirring and mixing mechanism of the present invention.
fig. 4 is a schematic view of the internal structure of the radiation source of the present invention.
figure 5 is a cross-sectional view of the radiation source of the present invention.
In the figure:
1. A feeding device; 2. a crushing device; 3. a mud control device; 31. a filter cake flow line; 32. a stirring and mixing mechanism; 33. a throttle valve; 321. a first helical mixing blade; 322. a second helical stirring blade; 323. a rotating shaft; 324. a connecting rod; 4. a transmission device; 41. a first transmission section; 42. a second transmission section; 5. a discharge port; 6. a filter cake; 7. a hot and humid air outlet; 8. a dry hot air inlet; 9. a radiation source; 91. a rotating shaft; 92. a circumferential fixing disc; 93. a radiant tube; 94. a protective cover; 10. a dehumidification heat pump; 11. a condensate pipe.
Detailed Description
As shown in fig. 1, the present embodiment provides a sludge heat drying machine, which includes a feeding device 1, a crushing device 2, a sludge control device 3, a transmission device 4 and a discharging end, which are sequentially arranged, wherein:
The conveying device 4 comprises a first conveying part 41 and a second conveying part 42, the first conveying part 41 and the second conveying part 42 are arranged in parallel in the vertical direction, so that the automatic treatment is facilitated, and the filter cake 6 directly falls from the first conveying part 41 onto the second conveying part 42 arranged in parallel with the first conveying part without manual intervention or other arrangements;
The radiation source 9 is arranged between the first conveying part 41 and the second conveying part 42, and the filter cakes 6 on the first conveying part 41 and the second conveying part 42 are fully dried by the radiation source 9 arranged between the first conveying part 41 and the second conveying part 42 in the conveying process, so that the dehumidifying and drying efficiency is further improved.
The outlet of the mud control device 3 is positioned at the beginning end of the first transmission part 41, the filter cake 6 is transmitted on the first transmission part 41 and the second transmission part 42 in an S shape, the tail end of the first transmission part 41 is shorter than the beginning end of the second transmission part, the beginning end of the second transmission part extends out of the first transmission part 41, so that the filter cake on the first transmission part 41 can automatically fall onto the second transmission part 42 after being transmitted to the tail end of the first transmission part 41, the tail end of the second transmission part 42 is provided with a discharge port 5, and the discharge port 5 is funnel-shaped, so that the filter cake can be conveniently discharged;
The first transmission unit 41 and the second transmission unit 42 both use existing transmission devices, such as: the belt transmission is selected to be used in the embodiment, and the transmission process is stable and efficient.
As shown in fig. 2, the mud control device 3 includes: the filter cake flow pipeline 31 is arranged at an angle of 30 degrees with the first transmission part 41, and the stirring and mixing mechanism 32 is arranged in the filter cake flow pipeline 31, in the embodiment, the first transmission part 41 and the second transmission part 42 are both arranged in parallel with the horizontal direction, and the filter cake flow pipeline 31 is at an angle of 30 degrees with the horizontal direction, so that the flowability of the filter cake 6 in the filter cake flow pipeline 31 is increased, and the angle of 30 degrees is arranged, so that a certain auxiliary effect is exerted on the flow of the filter cake 6, and a certain buffering effect is exerted on the flow of the filter cake 6.
In actual production processes, if increased flow rate of the filter cake is desired, a larger angle may be selected, for example, 45 °, 50 °, 60 °, or more, and if reduced flow of the filter cake is desired, the angle may be reduced to 5 ° for ease of use.
As a preferred embodiment, the filter cake flow line 31 includes a filter cake flow section, the line at the end of the filter cake flow section is linearly enlarged along the radial direction of the line, the end of the filter cake flow section is larger than the filter cake flow section, and the stirring mechanism is disposed in the filter cake flow section to facilitate the flow-out of the homogenized filter cake 6.
as a preferred embodiment, the stirring and mixing mechanism 32 is disposed in the cake flow section, as shown in fig. 3, the stirring and mixing mechanism 32 includes a rotating shaft 323, a first helical stirring blade 321 disposed on the rotating shaft 323, and a second helical stirring blade 322, wherein: the first spiral agitating blade 321 is fixed on the rotating shaft 323 to facilitate sufficient mixing.
Both sides of pivot 323 are all fixed and are equipped with link mechanism, second spiral stirring leaf 322 is fixed in link mechanism's connecting rod 324 on, second spiral stirring leaf 322 is located the periphery of first spiral stirring leaf 321, in first spiral stirring leaf intensive mixing, second spiral stirring leaf plays certain pushing action to filter cake 6, through setting up first spiral stirring leaf 321 and second spiral stirring leaf 322, filter cake 6 after the intensive mixing comes out from reducing mechanism 2, set up two spiral stirring leaves, can strengthen stirring effect intensive homogenization on the one hand, on the other hand cooperation filter cake flow line 31 is 30 with the level, can increase the circulation speed of filter cake 6, thereby raise the efficiency.
In the preferred embodiment, a throttle valve 33 is also provided, the throttle valve 33 being located at the end of the cake flow section, it being understood that by providing a throttle valve 33 between the end of the cake flow section and the beginning of the line section, which is linearly enlarged in the radial direction, for regulating the flow and pressure of the cake 6 into the linearly enlarged line section, it is convenient to regulate and control the rate at which the cake enters the first transfer section 41.
As a preferred embodiment, as shown in fig. 4, the radiation source 9 includes a rotating shaft 91 disposed in the center of the radiation source 9, and a plurality of radiation pipes 93 are fixedly disposed at the edge of the rotating shaft 91, wherein the radiation pipes 93 are uniformly distributed along the circumference of the rotating shaft 91, the plurality of radiation pipes 93 surround a circumference outside the rotating shaft 91, and in the process of conveying the filter cake 6, the radiation pipes 93 are disposed at the periphery of the rotating shaft 91 and rotate through the rotating shaft 91, so that the radiation pipes 93 are driven to rotate.
Specifically, as shown in fig. 5, a circumference fixing disk 92 is fixedly disposed on the rotating shaft 91, a hole is disposed on the circumference fixing disk 92, the radiation tube 93 extends into the hole and is fixedly connected with the circumference fixing disk 92 and is fixedly connected with the rotating shaft 91 through the circumference fixing disk 92, wherein a center hole is disposed at the center of the rotating shaft 91, the center hole facilitates the rotating shaft 91 to extend and fix, the rotating shaft 91 drives the circumference fixing disk 92 to rotate during rotation, a plurality of holes with the same size are disposed around the outside of the center hole, which facilitates the radiation tube 93 to extend, i.e., the plurality of holes surround a circumference at the outside of the center hole, and the radiation tube 93 is fixed in the hole, wherein the rotating shaft 91 is fixed in the hole.
As a preferred embodiment, the radiant tube is a carbon fiber infrared tube, and the radiant tube 93 makes the heating temperature more uniform by continuously rotating, the heating using the carbon fiber infrared tube has stable heating effect and long service life, the service life of which can reach 8000 hours, and the replacement and maintenance are facilitated by fixing the radiant tube 93 on the circumferential fixing disk 92.
In a preferred embodiment, the radiation source further includes a protective cover 94, the protective cover 94 is disposed outside a circumference surrounded by the radiation tube 93, the protective cover can effectively protect the radiation source from being contaminated and can perform a certain heat transfer function, and the protective cover 94 can be made of a material having a certain heat transfer function.
As the preferred embodiment, the filter cake 6 is in the process of S-shaped transmission on the first transmission part 41 and the second transmission part 42, the filter cake is heated by the radiation source 9, and the top end of the first transmission part 41 is provided with a plurality of damp and hot air outlets 7, and the bottom end of the second transmission part 42 is provided with a plurality of dry and hot air inlets 8, so that the sludge can be fully dehumidified.
In a preferred embodiment, the system further comprises a dehumidifying heat pump 10, wherein an air inlet of the dehumidifying heat pump 10 is communicated with the hot humid air outlet 7 through a pipeline, an air outlet of the dehumidifying heat pump 10 is communicated with the hot dry air inlet 8 through a pipeline, and a condensate pipe 11 is connected to the upper part of the dehumidifying heat pump 10.
In the use process, the filter cake 6 firstly enters the sludge heat drying machine through the filter cake inlet, and then is crushed by the crushing device 2, and then is homogenized by the sludge control device 3, and then is discharged to the first transmission part 41 for transmission, and then passes through the second transmission part 42, and in the transmission process, the filter cake 6 is uniformly dried by the radiation source 9, and meanwhile, the top end of the first transmission part 41 is provided with a plurality of damp and hot air outlets 7, and the bottom end of the second transmission part 42 is provided with a plurality of dry and hot air inlets 8, so that in the transmission process, the drying is fully dehumidified. Compared with the prior art, the sludge heat drying machine does not need to be processed for many times, does not need to be added with chemical reagents, has no hidden explosion hazard, and has high energy utilization rate, high dehumidification and drying efficiency and good effect.
After sufficient dehumidification and drying, the treated sludge is finally discharged through a discharge port 5, the water content of the sludge is reduced to below 6%, the weight of the sludge can be reduced by more than 85%, the integration of dehydration and drying is realized, in the dehumidification and drying process, heat energy is fully and efficiently utilized, no chemical reagent is needed to be added, no emission hazards such as raised dust and odor exist, the energy is saved, the environment is protected, each device occupies about 10 square meters, the occupied area is small, and the use is convenient.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. A sludge heat drying machine is characterized in that: including feed arrangement, reducing mechanism, mud accuse device, transmission device and the discharge end that sets gradually, wherein:
The transmission device comprises a first transmission part and a second transmission part, and the first transmission part and the second transmission part are arranged in parallel in the vertical direction; a radiation source is arranged between the first transmission part and the second transmission part;
the outlet of the mud control device is positioned at the initial end of the first conveying part, the filter cake is conveyed on the first conveying part and the second conveying part in an S shape, the tail end of the first conveying part is shorter than the initial end of the second conveying part, the tail end of the second conveying part is provided with a discharge port, and the discharge port is in a funnel shape;
the mud control device includes: and a filter cake flow pipeline which is arranged at an angle of 30 degrees with the first transmission part is internally provided with a stirring and mixing mechanism.
2. The sludge heat drying machine according to claim 1, characterized in that: the filter cake flow pipeline comprises a filter cake flow section, and a pipeline at the tail end of the filter cake flow section is linearly enlarged along the radial direction of the pipeline.
3. the sludge heat drying machine according to claim 2, characterized in that: stirring mixing mechanism set up in the filter cake flow section, stirring mixing mechanism include the pivot, set up in epaxial first spiral stirring leaf and the second spiral stirring leaf of changeing, wherein:
The first spiral stirring blade is fixed on the rotating shaft;
And the two sides of the rotating shaft are fixedly provided with a connecting rod mechanism, the second spiral stirring blade is fixed on a connecting rod of the connecting rod mechanism, and the second spiral stirring blade is positioned on the periphery of the first spiral stirring blade.
4. The sludge heat drying machine according to claim 2 or 3, characterized in that: a throttle valve is also provided, the throttle valve being located at the end of the cake flow section.
5. The sludge heat drying machine according to claim 1, characterized in that: the radiation source comprises a rotating shaft arranged in the center of the radiation source, and a plurality of radiation tubes are fixedly arranged on the edge of the rotating shaft.
6. The sludge heat drying machine according to claim 5, characterized in that: the radiant tubes are uniformly distributed along the circumferential direction of the rotating shaft, and the plurality of radiant tubes surround the outer side of the rotating shaft to form a circle.
7. the sludge heat drying machine according to claim 5 or 6, characterized in that: the rotating shaft is fixedly provided with a circumference fixing disc, the circumference fixing disc is provided with a hole, and the radiant tube extends into the hole and is fixedly connected with the circumference fixing disc.
8. The sludge heat drying machine according to claim 7, characterized in that: the radiation source further comprises a protective cover, and the protective cover is arranged on the outer side of the circumference surrounded by the radiation tube.
9. The sludge heat drying machine according to claim 1, characterized in that: the top of first transmission portion is equipped with a plurality of damp and hot air export, the bottom of second transmission portion is equipped with a plurality of dry hot air entry.
10. The sludge heat drying machine according to claim 9, characterized in that: still include the dehumidification heat pump, the last condenser pipe of connecting of dehumidification heat pump, the air inlet of dehumidification heat pump passes through the pipeline intercommunication the hot and humid air export, the gas outlet of dehumidification heat pump passes through the pipeline intercommunication dry hot air entry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822024960.8U CN209778627U (en) | 2018-12-04 | 2018-12-04 | Sludge heat drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822024960.8U CN209778627U (en) | 2018-12-04 | 2018-12-04 | Sludge heat drying machine |
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| Publication Number | Publication Date |
|---|---|
| CN209778627U true CN209778627U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822024960.8U Active CN209778627U (en) | 2018-12-04 | 2018-12-04 | Sludge heat drying machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264655A (en) * | 2021-04-08 | 2021-08-17 | 中国辐射防护研究院 | Drying device for treating radioactive sludge |
-
2018
- 2018-12-04 CN CN201822024960.8U patent/CN209778627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264655A (en) * | 2021-04-08 | 2021-08-17 | 中国辐射防护研究院 | Drying device for treating radioactive sludge |
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