CN214991098U - Sludge low-temperature drying device - Google Patents
Sludge low-temperature drying device Download PDFInfo
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- CN214991098U CN214991098U CN202121052544.4U CN202121052544U CN214991098U CN 214991098 U CN214991098 U CN 214991098U CN 202121052544 U CN202121052544 U CN 202121052544U CN 214991098 U CN214991098 U CN 214991098U
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Abstract
The sludge low-temperature drying device comprises a drying box body, a feed hopper, a driving motor, a dry hopper and a low-temperature drying mechanism, wherein a plurality of layers of conveying mesh belts are arranged in the drying box body, an outlet at the bottom of the feed hopper is connected with a top conveying mesh belt in the drying box body, an outlet of the bottom conveying mesh belt is communicated with the dry hopper, the conveying mesh belts are fixed on a main frame in the drying box body, the low-temperature drying mechanism is composed of a front heat regenerator, a cooler, a rear heat regenerator, a heater and a centrifugal fan, an outlet of the centrifugal fan is connected with the front heat regenerator, an outlet of the front heat regenerator is connected with the cooler, a gas outlet of the cooler is connected with the rear heat regenerator, an outlet of the rear heat regenerator is connected with the heater, and a gas outlet of the heater is connected with an air inlet of the drying box body. The utility model discloses set up low temperature mummification mechanism, utilize second grade backheat circulation condensation dehumidification principle, greatly reduced the dry energy consumption of mud, simplified the process flow that industry mud was handled, have mummification decrement ability height, running cost low and safe and reliable's advantage.
Description
Technical Field
The utility model relates to an industrial sludge environmental protection processing technology field, concretely relates to mud low temperature drying device.
Background
With the rapid development of the industry in China, the environmental protection treatment of industrial waste liquid becomes a problem of concentrated attention in the industry, the industrial waste liquid has different solid contents according to different industries, the industrial slurry is one of main pollutants of the industrial waste liquid, at present, the industrial slurry is mostly dried by high-temperature evaporation in the industry, the energy consumption is huge, high-temperature waste gas generated by high-temperature drying needs to be cooled, recovered and then concentrated, the equipment investment is large, how to treat the industrial slurry economically and environmentally becomes a key problem in the industry, in addition, the problems of mixed flow and turbulent flow easily occur in the process of circulating hot air of the existing drying box from bottom to top, the utilization rate of the hot air is low, the energy consumption is high, and the operation cost of the equipment is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mud low temperature drying device to solve the problem that the industrial mud high temperature treatment energy consumption that prior art exists is big and hot air utilization is low.
The utility model provides a technical scheme that technical problem adopted is:
a low-temperature sludge drying device comprises a drying box body, a feed hopper, a driving motor, a dry hopper and a low-temperature drying mechanism, wherein a plurality of layers of conveying mesh belts are arranged in the drying box body, an outlet at the bottom of the feed hopper is connected with a top conveying mesh belt in the drying box body, an outlet of the bottom conveying mesh belt is communicated with the dry hopper, the conveying mesh belts are fixed on a main frame in the drying box body, the low-temperature drying mechanism comprises a front heat regenerator, a cooler, a rear heat regenerator, a heater and a centrifugal fan, the centrifugal fan is arranged at the top of the drying box body, an outlet of the centrifugal fan is connected with the front heat regenerator, an outlet of the front heat regenerator is connected with the cooler, a gas outlet of the cooler is connected with the rear heat regenerator, an outlet of the rear heat regenerator is connected with the heater, a gas outlet of the heater is connected with an air inlet of the drying box body, the air inlet is connected with an inlet of a vertical bellows through a hot air duct, and the main frame is composed of a top beam, a base, a bottom and a drying mechanism, The drying box is characterized in that the drying box is formed by mutually clamping a plurality of stand columns and a plurality of supporting cross beams, a plurality of airflow distributors are arranged below each layer of conveying net belt, one end of a shell of each airflow distributor is opened, a plurality of air outlet holes are formed in the top of the shell, a plurality of airflow baffle plates are arranged in the middle of the shell, the inlet of each airflow distributor is communicated with a vertical air box correspondingly arranged at the rear part of the drying box body, and spoilers are movably arranged at the inlet of each airflow distributor.
A material distribution shaft is arranged above the outlet of the feed hopper so as to ensure the uniform blanking of wet mud.
The wind shields are respectively arranged on the two sides of the conveying net belt, so that heat loss from the side parts is prevented, and hot air is ensured to flow through the conveying net belt from bottom to top.
When the utility model is used, slurry is evenly fed into a drying box body through a material distributing shaft of a feeding hopper, the conveying mesh belt conveys materials, wet and hot air discharged by slurry drying is conveyed into a front heat regenerator through a centrifugal fan of a low-temperature drying mechanism, the wet and hot air is condensed by cooling water in a cooler and then enters a heater through a rear heat regenerator, the hot water heating is carried out in the heater at 90 ℃ to obtain dry and hot air at about 80 ℃, the dry and hot air is conveyed into a corresponding air flow distributor through a vertical air box, hot air is blown out from bottom to top from an air outlet at the top of the air flow distributor, the slurry on the conveying mesh belt is dried by the hot air, the upper conveying mesh belt of the slurry continuously conveys the slurry through a plurality of layers of conveying mesh belts from top to bottom, an air flow baffle plate arranged in the air flow distributor is used for stopping the air flow from directly reaching the end of a shell to cause uneven air pressure, the centrifugal fan of the drying box body continuously conveys the wet and hot air in the box body into the low-temperature drying mechanism, drying at low temperature to obtain dry hot air.
The utility model discloses set up low temperature mummification mechanism, utilize second grade backheat circulation condensation dehumidification principle, greatly reduced the dry energy consumption of mud, simplified the process flow that industry mud was handled, have mummification decrement ability height, running cost low and safe and reliable's advantage.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a rear view schematic diagram of the present invention;
fig. 3 is a schematic structural diagram of the airflow distributor of the present invention.
In the figure, 1 a drying box body, 2 a feeding hopper, 3 a driving motor, 4 a conveying mesh belt, 5 an air flow distributor, 6 top beams, 7 bases, 8 upright posts, 9 supporting cross beams, 10 wind shields, 11 a material distribution shaft, 12 a centrifugal fan, 13 a front heat regenerator, 14 a cooler, 15 a rear heat regenerator, 16 heaters, 17 a drying bin, 18 air inlets, 19 hot air channels, 20 vertical air boxes, 51 shells, 52 inlets, 53 air outlets, 54 air flow blocking plates and 55 spoilers are arranged.
Detailed Description
As shown in figures 1, 2 and 3, a sludge low-temperature drying device comprises a drying box body 1, a feed hopper 2, a driving motor 3, a dry material hopper 17 and a low-temperature drying mechanism, wherein a plurality of layers of conveying mesh belts 4 are arranged in the drying box body, the outlet at the bottom of the feed hopper is connected with the conveying mesh belt at the top layer in the drying box body, the outlet of the conveying mesh belt at the bottom layer is communicated with the dry material hopper 17, a material distribution shaft 11 is arranged above the outlet of the feed hopper 2 to ensure the uniform feeding of wet sludge, the conveying mesh belts are fixed on a main frame in the drying box body, the low-temperature drying mechanism is composed of a front heat regenerator 13, a cooler 14, a rear heat regenerator 15, a heater 16 and a centrifugal fan 12, the centrifugal fan 12 is arranged at the top of the drying box body, the outlet of the centrifugal fan is connected with the front heat regenerator, the outlet of the front heat regenerator is connected with the cooler, the gas outlet is connected with the rear heat regenerator, the outlet of the rear heat regenerator is connected with the heater, the air outlet of the heater is connected with the air inlet 18 of the drying box body, the air inlet 18 is connected with the inlet of a vertical air box 20 through a hot air duct 19, the main frame is formed by clamping a top beam 6, a base 7, a plurality of upright columns 8 and a plurality of supporting beams 9, wind shields 10 are respectively arranged on two sides of the conveying mesh belt to prevent heat loss from side parts and ensure that hot air flows through the conveying mesh belt from bottom to top, a plurality of air flow distributors 5 are arranged below each layer of the conveying mesh belt, one end of a shell 51 of each air flow distributor 5 is opened, a plurality of air outlet holes 53 are formed in the top of the shell, a plurality of air flow blocking plates 54 are arranged in the middle of the shell, the inlet of each air flow distributor is communicated with the vertical air box correspondingly arranged at the rear part of the drying box body, and spoilers 55 are movably arranged at the inlets 52 of the air flow distributors.
When the utility model is used, slurry is evenly fed into a drying box body through a material distributing shaft of a feeding hopper, the conveying mesh belt conveys materials, wet and hot air discharged by slurry drying is conveyed into a front heat regenerator through a centrifugal fan of a low-temperature drying mechanism, the wet and hot air is condensed by cooling water in a cooler and then enters a heater through a rear heat regenerator, the hot water heating is carried out in the heater at 90 ℃ to obtain dry and hot air at about 80 ℃, the dry and hot air is conveyed into a corresponding air flow distributor through a vertical air box, hot air is blown out from bottom to top from an air outlet at the top of the air flow distributor, the slurry on the conveying mesh belt is dried by the hot air, the upper conveying mesh belt of the slurry continuously conveys the slurry through a plurality of layers of conveying mesh belts from top to bottom, an air flow baffle plate arranged in the air flow distributor is used for stopping the air flow from directly reaching the end of a shell to cause uneven air pressure, the centrifugal fan of the drying box body continuously conveys the wet and hot air in the box body into the low-temperature drying mechanism, drying at low temperature to obtain dry hot air.
Claims (3)
1. A low-temperature sludge drying device is characterized by comprising a drying box body, a feed hopper, a driving motor, a dry hopper and a low-temperature drying mechanism, wherein a plurality of layers of conveying mesh belts are arranged in the drying box body, an outlet at the bottom of the feed hopper is connected with a top conveying mesh belt in the drying box body, an outlet of the bottom conveying mesh belt is communicated with the dry hopper, the conveying mesh belts are fixed on a main frame in the drying box body, the low-temperature drying mechanism consists of a front heat regenerator, a cooler, a rear heat regenerator, a heater and a centrifugal fan, the centrifugal fan is arranged at the top of the drying box body, an outlet of the centrifugal fan is connected with the front heat regenerator, an outlet of the front heat regenerator is connected with the cooler, a gas outlet of the cooler is connected with the rear heat regenerator, an outlet of the rear heat regenerator is connected with the heater, a gas outlet of the heater is connected with an air inlet of the drying box body, the air inlet is connected with a vertical bellows inlet through a hot air duct, and the main frame consists of a top beam, The drying box comprises a base, a plurality of stand columns and a plurality of supporting cross beams, wherein the base, the stand columns and the supporting cross beams are mutually clamped and connected, a plurality of airflow distributors are arranged below each layer of conveying net belt, one end of a shell of each airflow distributor is opened, a plurality of air outlets are formed in the top of the shell, a plurality of airflow blocking plates are arranged in the middle of the shell, the inlet of each airflow distributor is communicated with a vertical air box correspondingly arranged at the rear part of the drying box body, and spoilers are movably arranged at the inlet of each airflow distributor.
2. The low-temperature sludge drying device as claimed in claim 1, wherein a material distributing shaft is installed above the outlet of the feed hopper.
3. The low-temperature sludge drying device as claimed in claim 1, wherein wind shields are respectively installed on both sides of the conveying mesh belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052544.4U CN214991098U (en) | 2021-05-17 | 2021-05-17 | Sludge low-temperature drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052544.4U CN214991098U (en) | 2021-05-17 | 2021-05-17 | Sludge low-temperature drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214991098U true CN214991098U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121052544.4U Active CN214991098U (en) | 2021-05-17 | 2021-05-17 | Sludge low-temperature drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214991098U (en) |
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2021
- 2021-05-17 CN CN202121052544.4U patent/CN214991098U/en active Active
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