CN215756996U - Sludge drying machine small in occupied area and high in efficiency - Google Patents
Sludge drying machine small in occupied area and high in efficiency Download PDFInfo
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- CN215756996U CN215756996U CN202122346609.2U CN202122346609U CN215756996U CN 215756996 U CN215756996 U CN 215756996U CN 202122346609 U CN202122346609 U CN 202122346609U CN 215756996 U CN215756996 U CN 215756996U
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Abstract
The utility model relates to the technical field of sludge treatment, in particular to a sludge drier with small floor area and high efficiency, which comprises a drying box supported by a bracket, wherein a conveying mechanism for conveying sludge is arranged in the drying box; the conveying mechanism sequentially comprises a feeding conveyor and a discharging conveyor from top to bottom, and a plurality of conveying conveyors are arranged between the feeding conveyor and the discharging conveyor; the discharge conveyor and the transfer conveyor have the same structure as the feed conveyor 21, which includes a mesh belt for transferring sludge. Through the multistage arrangement of the conveying mechanism and the use of the mesh belt, the drying effect of the sludge is improved, and the secondary pollution in the sludge drying process is reduced.
Description
Technical Field
The utility model relates to the technical field of sludge treatment, in particular to a sludge drying machine with small floor area and high efficiency.
Background
The sludge serving as a by-product of sewage treatment has the characteristics of high organic matter content, easiness in decomposition, possibility of causing epidemic diseases, high water content, high dehydration difficulty (due to the influence of a colloidal structure) and the like, and the traditional sludge treatment scheme comprises measures such as sanitary landfill, composting and the like. Although the traditional methods can relieve the problems of high sludge yield and difficult treatment to a certain extent, the traditional methods have secondary pollution risks of different degrees, are not long-term, and the use ratio of the traditional treatment schemes in developed countries is gradually reduced. At present, the mainstream sludge treatment routes in China mainly comprise 3 routes, namely land utilization after anaerobic digestion, land utilization after aerobic fermentation and building material utilization after drying and incineration, the two former treatment methods have certain secondary pollution risks to the land at most and little, and the sludge is composed of a large amount of organic matters, and the heat value of the dried sludge is equivalent to that of lignite, so the most thorough sludge treatment method is drying and incineration. Meanwhile, the sludge has the characteristics of high water content and large volume, and the sludge drying is the first prerequisite of sludge incineration.
The sludge drying technology is a method for evaporating moisture in sludge by utilizing heat energy so as to facilitate subsequent sludge treatment. The currently common sludge drying technologies mainly comprise natural condition sludge drying, sludge biological drying, solar sludge drying and sludge drying by an external heating source. The sludge heat drying is the most common drying mode, and the sludge heat drying is mainly to evaporate moisture in the sludge through an external heating source so as to dry the sludge.
However, in the conventional sludge heat drying technology, factors such as the contact area of the sludge and a heat source, the utilization rate of the heat source and the like often restrict the drying effect of the sludge. In addition, because the sludge is often a waste product after sewage treatment, the internal components of the sludge are complex, and even the sludge contains various toxic and harmful microorganisms, if the protective measures are not properly treated in the sludge drying process, the toxic and harmful substances are easy to overflow, and secondary pollution is caused. Therefore, it is necessary to develop a sludge drying device which can not only improve the sludge drying effect, but also reduce the secondary pollution of sludge treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings in the prior art, and provides the sludge drying machine which is small in occupied area and high in efficiency, can improve the sludge drying effect, is small in occupied area and saves space.
In order to achieve the purpose, the utility model provides a sludge drying machine which is small in occupied area and high in efficiency, and the sludge drying machine comprises a drying box supported by a support, wherein a conveying mechanism for conveying sludge is arranged in the drying box, a plurality of microwave emitters are arranged on the inner wall of the drying box, a waste gas treatment device is arranged at the top of the drying box, and a trolley for containing sludge is arranged on one side of the drying box; the conveying mechanism sequentially comprises a feeding conveyor and a discharging conveyor from top to bottom, and a plurality of conveying conveyors are arranged between the feeding conveyor and the discharging conveyor; the structure of the discharging conveyor and the conveying conveyor is the same as that of the feeding conveyor, and the feeding conveyor comprises a mesh belt for conveying sludge.
Further, the waste gas treatment device comprises an air extractor, a condenser, a waste gas purifier and an exhaust pipe which are sequentially communicated; the air pump is communicated with the drying box through a pipeline.
Further, the top of drying cabinet is the cone fill shape.
Furthermore, the feeding conveyor also comprises two parallel driven shafts, driven chain wheels are mounted at two ends of each driven shaft, the driven chain wheels are driven by chains, and the chains are fixedly arranged on the side edges of the mesh belts; a driving shaft is arranged between the two driven shafts, and a driving chain wheel matched with the chain is arranged on the driving shaft; the driving shaft is driven to rotate by a driving mechanism.
Furthermore, the driving mechanism comprises a motor and a plurality of gears which are vertically arranged and meshed with each other, and the gears are arranged at one end of the driving shaft; the motor drives the driving shaft to rotate through belt transmission, and the motor is fixed below the drying box.
Furthermore, a plurality of the microwave emitters are respectively arranged on the discharging sides of the feeding conveyor and the conveying conveyor.
Compared with the prior art, the utility model has the beneficial effects that:
1. the multistage conveyor is arranged for conveying the sludge, so that the retention time of the sludge in the drying box is greatly prolonged, and the sludge drying effect is improved; meanwhile, the occupied area is small, and the use cost is saved;
2. waste gas pollution caused by sludge drying can be reduced by the waste gas treatment device arranged above the drying box;
3. the mesh belt adopted by the conveyor is of a mesh structure, so that the contact effect with a heat source in the sludge conveying process is greatly improved, and the integral drying efficiency of the sludge is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a rear view of fig. 1.
Fig. 3 is a schematic structural view of the feeding conveyor in fig. 1.
Wherein: 1. a drying oven; 2. a transport mechanism; 3. an exhaust gas treatment device; 4. a trolley; 5. a microwave emitter; 6. a motor; 7. belt transmission; 21. a feed conveyor; 22. a discharge conveyor; 23. a transfer conveyor; 31. an air extractor; 32. a condenser; 33. an exhaust gas purifier; 34. an exhaust pipe; 211. a mesh belt; 212. a driven shaft; 213. a driven sprocket; 214. a chain; 215. a drive shaft; 216. a drive sprocket; 217. a gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Examples
Referring to fig. 1 to 3, the utility model provides a sludge drying machine with small floor area and high efficiency, which comprises a drying box 1 supported by a bracket, wherein a conveying mechanism 2 for conveying sludge is arranged in the drying box 1, a plurality of microwave emitters 5 are arranged on the inner wall of the drying box 1, a waste gas treatment device 3 is arranged at the top of the drying box 1, and a trolley 4 for containing sludge is arranged on one side of the drying box 1; the conveying mechanism 2 sequentially comprises a feeding conveyor 21 and a discharging conveyor 22 from top to bottom, and a plurality of conveying conveyors 23 are arranged between the feeding conveyor 21 and the discharging conveyor 22; the discharge conveyor 22 and the transfer conveyor 23 are identical in structure to the feed conveyor 21, and the feed conveyor 21 includes a mesh belt 211 for conveying sludge.
Specifically, the conveying mechanism 2 can convey dried sludge into the trolley 4; the exhaust gas treatment device 3 can extract and purify the exhaust gas in the drying box 1.
Preferably, the exhaust gas treatment device 3 includes an air extractor 31, a condenser 32, an exhaust gas purifier 33 and an exhaust pipe 34 which are communicated in sequence; wherein the air pump 31 is communicated with the drying box 1 through a pipeline.
Preferably, the top of the drying box 1 is cone-shaped.
As an embodiment of the present invention, the feeding conveyor 21 further includes two parallel driven shafts 212, driven sprockets 213 are installed at two ends of the driven shafts 212, the driven sprockets 213 are driven by a chain 214, and the chain 214 is fixedly disposed on the side edge of the mesh belt 211; a driving shaft 215 is arranged between the two driven shafts 212, and a driving chain wheel 216 matched with the chain 214 is arranged on the driving shaft 215; the drive shaft 215 is rotated by a drive mechanism.
Preferably, the driving mechanism comprises a motor 6 and a plurality of gears 217 which are vertically arranged and meshed with each other, wherein the gears 217 are installed at one end of the driving shaft 215; the motor 6 drives the driving shaft 215 to rotate through the belt transmission 7, and the motor 6 is fixed below the drying box 1.
As an embodiment of the present invention, a plurality of microwave emitters 5 are respectively disposed on the discharging sides of the feeding conveyor 21 and the transfer conveyor 23.
The using process of the sludge treatment device is that the motor 6 is started, the gear 217 on the discharging conveyor 22 is driven to rotate through the belt transmission 7, meanwhile, other gears 217 synchronously rotate, and the corresponding mesh belt 211 starts to rotate to transport sludge. The sludge enters the drying box 1 from the feeding conveyor 21, is transported in an S shape from top to bottom under the transmission of the transmission mechanism 2, and is finally transported out to the trolley 4 through the discharging conveyor 22. During the period, the microwave emitter 5 carries out microwave drying on the sludge on the mesh belt 211, and meanwhile, due to the mesh structure of the mesh belt 211, the contact area of the sludge and a heat source is greatly increased, and the sludge drying effect is greatly improved; meanwhile, the exhaust gas treatment device 3 above the drying oven 1 is operated, and the exhaust gas generated by sludge drying is treated by the condenser 32 and the exhaust gas purifier 33 in sequence under the operation of the air pump 31, and then is discharged through the exhaust pipe 34.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The above-described embodiments of the utility model are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims, and not by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The sludge drying machine is small in occupied area and high in efficiency, and is characterized by comprising a drying box (1) supported by a support, wherein a conveying mechanism (2) for conveying sludge is arranged in the drying box (1), a plurality of microwave emitters (5) are arranged on the inner wall of the drying box (1), a waste gas treatment device (3) is arranged at the top of the drying box (1), and a trolley (4) for containing sludge is arranged on one side of the drying box (1); the conveying mechanism (2) sequentially comprises a feeding conveyor (21) and a discharging conveyor (22) from top to bottom, and a plurality of conveying conveyors (23) are arranged between the feeding conveyor (21) and the discharging conveyor (22); the structure of the discharging conveyor (22) and the conveying conveyor (23) is the same as that of the feeding conveyor (21), and the feeding conveyor (21) comprises a mesh belt (211) for conveying sludge.
2. The sludge drying machine according to claim 1, wherein the waste gas treatment device (3) comprises an air pump (31), a condenser (32), a waste gas purifier (33) and an exhaust pipe (34) which are communicated in sequence; the air pump (31) is communicated with the drying box (1) through a pipeline.
3. The sludge drying machine according to claim 2, wherein the top of the drying box (1) is cone-shaped.
4. The sludge drying machine according to claim 1, wherein the feeding conveyor (21) further comprises two parallel driven shafts (212), driven sprockets (213) are mounted at two ends of each driven shaft (212), the driven sprockets (213) are driven by chains (214), and the chains (214) are fixedly arranged on the side edges of the mesh belt (211); a driving shaft (215) is arranged between the two driven shafts (212), and a driving chain wheel (216) matched with the chain (214) is arranged on the driving shaft (215); the driving shaft (215) is driven to rotate by a driving mechanism.
5. The sludge drying machine according to claim 4, wherein the driving mechanism comprises a motor (6) and a plurality of gears (217) which are vertically arranged and meshed with each other, and the gears (217) are installed at one end of the driving shaft (215); the motor (6) drives the driving shaft (215) to rotate through a belt transmission (7), and the motor (6) is fixed below the drying box (1).
6. The sludge drying machine according to claim 4 or 5, wherein a plurality of microwave emitters (5) are respectively arranged on the discharging side of the feeding conveyor (21) and the conveying conveyor (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122346609.2U CN215756996U (en) | 2021-09-27 | 2021-09-27 | Sludge drying machine small in occupied area and high in efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122346609.2U CN215756996U (en) | 2021-09-27 | 2021-09-27 | Sludge drying machine small in occupied area and high in efficiency |
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| Publication Number | Publication Date |
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| CN215756996U true CN215756996U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122346609.2U Active CN215756996U (en) | 2021-09-27 | 2021-09-27 | Sludge drying machine small in occupied area and high in efficiency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358246A (en) * | 2023-03-31 | 2023-06-30 | 爱铭建筑(国际)有限公司 | Solid waste treatment system |
-
2021
- 2021-09-27 CN CN202122346609.2U patent/CN215756996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358246A (en) * | 2023-03-31 | 2023-06-30 | 爱铭建筑(国际)有限公司 | Solid waste treatment system |
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