CN107857460B - Sludge low-temperature drying device - Google Patents
Sludge low-temperature drying device Download PDFInfo
- Publication number
- CN107857460B CN107857460B CN201711294676.6A CN201711294676A CN107857460B CN 107857460 B CN107857460 B CN 107857460B CN 201711294676 A CN201711294676 A CN 201711294676A CN 107857460 B CN107857460 B CN 107857460B
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- China
- Prior art keywords
- drying box
- conveyor belt
- discharging
- temperature sensor
- circulating
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- 238000001035 drying Methods 0.000 title claims abstract description 62
- 239000010802 sludge Substances 0.000 title claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge low-temperature drying device which comprises a drying box, conveyor belt groups, circulating pipes, condensing units, dryers, heating devices, circulating fans and a control device, wherein a feeding cylinder is arranged at the top of the drying box, a discharging cylinder is arranged at the bottom of the drying box, a plurality of conveyor belt groups are sequentially arranged in the drying box from top to bottom, the conveying squares of adjacent conveyor belt groups are opposite, the discharging ends of other conveyor belt groups except the lowest conveyor belt group are positioned above the feeding ends of the conveyor belt groups adjacent below, the two ends of the circulating pipes are respectively positioned at the top and the bottom of the drying box, the condensing units, the dryers, the heating devices and the circulating fans are sequentially arranged on the circulating pipes along the direction from the top of the drying box to the bottom of the drying box, and the condensing units, the dryers, the heating devices and the circulating fans are all connected with the control device. According to the invention, the conveyor belt group is arranged in the drying box, so that the sludge can be effectively dried, and the drying effect is good.
Description
[ field of technology ]
The invention relates to the technical field of environmental protection, in particular to the technical field of a sludge low-temperature drying device.
[ background Art ]
In some production processes, some sludge is generated, and the sludge often contains a large amount of moisture, which is unfavorable for storage, transportation, treatment and recycling of the sludge, and drying is needed to remove some moisture in the sludge. The existing sludge drying device has unsatisfactory drying efficiency.
[ invention ]
The invention aims to solve the problems in the prior art and provides a sludge low-temperature drying device which can effectively dry sludge.
In order to achieve the above purpose, the invention provides a sludge low-temperature drying device, which comprises a drying box, conveyor belt groups, a circulating pipe, a condensing device, a dryer, a heating device, a circulating fan and a control device, wherein the top of the drying box is provided with a feeding cylinder, the bottom of the drying box is provided with a discharging cylinder, a plurality of conveyor belt groups are sequentially arranged in the drying box from top to bottom, the conveying squares of adjacent conveyor belt groups are opposite, the discharging ends of other conveyor belt groups except the lowest conveyor belt group are positioned above the feeding ends of the conveyor belt groups adjacent to the bottom, the two ends of the circulating pipe are respectively positioned at the top and the bottom of the drying box, the condensing device, the dryer, the heating device and the circulating fan are sequentially arranged along the direction from the top of the drying box to the bottom of the drying box, and the condensing device, the dryer, the heating device and the circulating fan are all connected with the control device.
Preferably, the condensing device is a water-cooled condenser or an air-cooled condenser or a cooling device formed by connecting two condensers in series, and a liquid drain pipe for draining condensed water is arranged on the condenser.
Preferably, a first temperature sensor and a second temperature sensor are arranged in the circulating pipe, the first temperature sensor is positioned between the dryer and the heating device, and the second temperature sensor is positioned between the circulating fan and the bottom of the drying box.
Preferably, the first temperature sensor and the second temperature sensor are connected with a control device, and the control device controls the temperature of air entering the drying box to be 70-80 ℃.
Preferably, the feeding cylinder is located directly above the feeding end of the uppermost conveyor belt group, and the discharging cylinder is located directly below the discharging end of the lowermost conveyor belt group.
Preferably, the feeding cylinder and the discharging cylinder are composed of a collecting hopper and a discharging pipe, the discharging pipe is fixed at the bottom of the collecting hopper, a baffle ring is arranged at the top of the discharging pipe, a shielding plate is arranged at the bottom of the baffle ring, the diameter of the shielding plate is between the inner diameter of the baffle ring and the inner diameter of the discharging pipe, a supporting plate is arranged in the discharging pipe, a plurality of connecting rods are arranged on the periphery of the supporting plate, the other ends of the connecting rods are fixed on the inner wall of the discharging pipe, and the supporting plate is connected with the shielding plate through springs.
Preferably, a plurality of actively rotatable rollers are arranged right above each conveyor belt group in the drying box, and a plurality of hard comb teeth are arranged on the cylindrical surfaces of the rollers.
The invention has the beneficial effects that: according to the invention, the conveyor belt group is arranged in the drying box, so that the sludge can be effectively dried, and the drying effect is good; the arrangement of the feeding cylinder and the discharging cylinder ensures that air in the drying box is not easy to escape, so that heat can be fully utilized, and energy is saved; the arrangement of the first temperature sensor and the second temperature sensor enables the control device to control better.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a sludge low-temperature drying device of the invention;
fig. 2 is a schematic diagram of a feed cylinder of a sludge low-temperature drying device.
In the figure: 1-drying box, 2-feeding cylinder, 3-circulating pipe, 4-control device, 10-conveyor belt group, 11-roller, 12-hard comb teeth, 20-discharging cylinder, 21-collecting hopper, 22-discharging pipe, 23-baffle ring, 24-shielding sheet, 25-spring, 26-supporting plate, 27-connecting rod, 30-discharging pipe, 31-condensing device, 32-dryer, 33-heating device, 34-circulating fan, 35-first temperature sensor and 36-second temperature sensor.
[ detailed description ] of the invention
Referring to fig. 1 and 2, the low-temperature sludge drying device of the invention comprises a drying box 1, a conveyor belt group 10, a circulating pipe 3, a condensing device 31, a dryer 32, a heating device 33, a circulating fan 34 and a control device 4, wherein the top of the drying box 1 is provided with a feeding cylinder 2, the bottom of the drying box 1 is provided with a discharging cylinder 20, a plurality of conveyor belt groups 10 are sequentially arranged in the drying box 1 from top to bottom, the conveying squares of the adjacent conveyor belt groups 10 are opposite, the discharging ends of the other conveyor belt groups 10 except the lowest conveyor belt group 10 are positioned above the feeding ends of the conveyor belt groups 10 adjacent below, the two ends of the circulating pipe 3 are respectively positioned at the top and the bottom of the drying box 1, the circulating pipe 3 is sequentially provided with the condensing device 31, the dryer 32, the heating device 33 and the circulating fan 34 along the direction from the top of the drying box 1 to the bottom of the drying box 1, the condensing device 31, the dryer 32, the heating device 33 and the circulating fan 34 are all connected with the control device 4, the condensing device 31 is a water-cooled condenser or an air-cooled condenser or a cooling device formed by connecting two condensers in series, a liquid discharge pipe 30 for discharging condensed water is arranged on the condenser, a first temperature sensor 35 and a second temperature sensor 36 are arranged in the circulating pipe 3, the first temperature sensor 35 is positioned between the dryer 32 and the heating device 33, the second temperature sensor 36 is positioned between the circulating fan 34 and the bottom of the drying box 1, the first temperature sensor 35 and the second temperature sensor 36 are connected with the control device 4, the control device 4 controls the air entering the drying box 1 to be 70 ℃ to 80 ℃, the feeding cylinder 2 is positioned right above the feeding end of the uppermost conveyor belt group 10, the discharging cylinder 20 is positioned right below the discharging end of the lowermost conveyor belt group 10, the feeding cylinder 2 and the discharging cylinder 20 are composed of a collecting hopper 21 and a discharging pipe 22, the discharging pipe 22 is fixed at the bottom of the collecting hopper 21, a baffle ring 23 is arranged at the top of the discharging pipe 22, a shielding plate 24 is arranged at the bottom of the baffle ring 23, the diameter of the shielding plate 24 is between the inner diameter of the baffle ring 23 and the inner diameter of the discharging pipe 22, a supporting plate 26 is arranged in the discharging pipe 22, a plurality of connecting rods 27 are arranged on the periphery of the supporting plate 26, the other ends of the connecting rods 27 are fixed on the inner wall of the discharging pipe 22, the supporting plate 26 is connected with the shielding plate 24 through springs 25, a plurality of actively rotatable rollers 11 are arranged right above each conveyor belt group 10 in the drying box 1, and a plurality of hard comb teeth 12 are arranged on the cylindrical surfaces of the rollers 11.
The working process of the invention comprises the following steps:
in the working process of the sludge low-temperature drying device, the conveyor belt group 10 is arranged in the drying box 1, so that the sludge can be effectively dried, and the drying effect is good; the arrangement of the feeding cylinder 2 and the discharging cylinder 20 ensures that the air in the drying box is not easy to escape, so that the heat can be fully utilized, and the energy is saved; the arrangement of the first temperature sensor 35 and the second temperature sensor 36 allows the control device 4 to perform better control.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (5)
1. The utility model provides a mud low temperature desiccation device which characterized in that: the dryer comprises a drying box (1), a conveying belt group (10), a circulating pipe (3), a condensing device (31), a dryer (32), a heating device (33), a circulating fan (34) and a control device (4), wherein the top of the drying box (1) is provided with a feeding barrel (2), the bottom of the drying box (1) is provided with a discharging barrel (20), a plurality of conveying belt groups (10) are sequentially arranged in the drying box (1) from top to bottom, the conveying squares of adjacent conveying belt groups (10) are opposite, the discharging ends of other conveying belt groups (10) except the lowest conveying belt group (10) are positioned above the feeding ends of the conveying belt groups (10) adjacent below, two ends of the circulating pipe (3) are respectively positioned at the top and the bottom of the drying box (1), the circulating pipe (3) are sequentially provided with the condensing device (31), the dryer (32), the heating device (33) and the circulating fan (34) along the direction from the top of the drying box (1), the condensing device (31), the dryer (32), the heating device (33) and the circulating fan (34) are connected with the control device (4) and are connected with the feeding barrel (21) and the discharging barrel (22) respectively, the blanking pipe (22) is fixed at the bottom of a collecting hopper (21), a baffle ring (23) is arranged at the top of the blanking pipe (22), a shielding sheet (24) is arranged at the bottom of the baffle ring (23), the diameter of the shielding sheet (24) is between the inner diameter of the baffle ring (23) and the inner diameter of the blanking pipe (22), a supporting plate (26) is arranged in the blanking pipe (22), a plurality of connecting rods (27) are arranged on the periphery of the supporting plate (26), the other ends of the connecting rods (27) are fixed on the inner wall of the blanking pipe (22), the supporting plate (26) is connected with the shielding sheet (24) through springs (25), and a condensing device (31) is a cooling device formed by connecting water-cooled condensers or air-cooled condensers or two condensers in series, and a liquid discharge pipe (30) for discharging condensed water is arranged on the condenser.
2. A sludge low temperature drying apparatus as claimed in claim 1, wherein: a first temperature sensor (35) and a second temperature sensor (36) are arranged in the circulating pipe (3), the first temperature sensor (35) is positioned between the dryer (32) and the heating device (33), and the second temperature sensor (36) is positioned between the circulating fan (34) and the bottom of the drying box (1).
3. A sludge low temperature drying apparatus as claimed in claim 2, wherein: the first temperature sensor (35) and the second temperature sensor (36) are connected with the control device (4), and the control device (4) controls the air entering the drying box (1) at 70-80 ℃.
4. A sludge low temperature drying apparatus as claimed in claim 1, wherein: the feeding cylinder (2) is positioned right above the feeding end of the uppermost conveyor belt group (10), and the discharging cylinder (20) is positioned right below the discharging end of the lowermost conveyor belt group (10).
5. A sludge low temperature drying apparatus as claimed in claim 1, wherein: a plurality of actively rotatable rollers (11) are arranged right above each conveyor belt group (10) in the drying box (1), and a plurality of hard comb teeth (12) are arranged on the cylindrical surfaces of the rollers (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294676.6A CN107857460B (en) | 2017-12-08 | 2017-12-08 | Sludge low-temperature drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294676.6A CN107857460B (en) | 2017-12-08 | 2017-12-08 | Sludge low-temperature drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107857460A CN107857460A (en) | 2018-03-30 |
| CN107857460B true CN107857460B (en) | 2023-11-21 |
Family
ID=61705248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711294676.6A Active CN107857460B (en) | 2017-12-08 | 2017-12-08 | Sludge low-temperature drying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107857460B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715509B (en) * | 2018-08-15 | 2024-01-23 | 浙江森友环保成套设备有限公司 | Low temperature heat pump sludge dryer |
| CN109520214A (en) * | 2018-12-25 | 2019-03-26 | 浙江华才检测技术有限公司 | A kind of food inspection test tube drying box |
| CN109748467A (en) * | 2019-03-11 | 2019-05-14 | 秦皇岛市第一医院 | A kind of Hospital Sewage Treatment reclaimer with efficient sterilization function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204237028U (en) * | 2014-10-22 | 2015-04-01 | 江苏曜曜机械有限公司 | A kind of clog-free hopper |
| CN205653327U (en) * | 2016-06-01 | 2016-10-19 | 重庆沙微谷环保节能科技有限公司 | Low temperature mummification machine |
| CN106045275A (en) * | 2016-07-21 | 2016-10-26 | 黄志荣 | Sludge drying system |
| CN107335682A (en) * | 2017-09-07 | 2017-11-10 | 苏州尧智生态环保科技有限公司 | The prosthetic appliance of contaminated soil |
| CN207646055U (en) * | 2017-12-08 | 2018-07-24 | 浙江森友环保成套设备有限公司 | A kind of sludge at low temperature desiccation apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167488B (en) * | 2011-01-21 | 2012-11-21 | 上海伏波环保设备有限公司 | Non-contact type sludge drying system utilizing flue gas afterheat |
-
2017
- 2017-12-08 CN CN201711294676.6A patent/CN107857460B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204237028U (en) * | 2014-10-22 | 2015-04-01 | 江苏曜曜机械有限公司 | A kind of clog-free hopper |
| CN205653327U (en) * | 2016-06-01 | 2016-10-19 | 重庆沙微谷环保节能科技有限公司 | Low temperature mummification machine |
| CN106045275A (en) * | 2016-07-21 | 2016-10-26 | 黄志荣 | Sludge drying system |
| CN107335682A (en) * | 2017-09-07 | 2017-11-10 | 苏州尧智生态环保科技有限公司 | The prosthetic appliance of contaminated soil |
| CN207646055U (en) * | 2017-12-08 | 2018-07-24 | 浙江森友环保成套设备有限公司 | A kind of sludge at low temperature desiccation apparatus |
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| CN107857460A (en) | 2018-03-30 |
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