CN110255852B - Construction sludge drying treatment device and treatment method - Google Patents
Construction sludge drying treatment device and treatment method Download PDFInfo
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- CN110255852B CN110255852B CN201910636291.6A CN201910636291A CN110255852B CN 110255852 B CN110255852 B CN 110255852B CN 201910636291 A CN201910636291 A CN 201910636291A CN 110255852 B CN110255852 B CN 110255852B
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- 239000010802 sludge Substances 0.000 title claims abstract description 47
- 238000001035 drying Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000000446 fuel Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 238000000227 grinding Methods 0.000 claims abstract description 25
- 239000000295 fuel oil Substances 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 239000011232 storage material Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a construction sludge drying treatment device and a treatment method, comprising a fuel vehicle body; the fuel oil vehicle body is provided with a storage box for storing dry materials from outside and a collecting mechanism for collecting ground silt; a drying mechanism for reducing the humidity of the collected sludge; a stirring mechanism for mixing the sludge and the dry material into a mixture; a grinding mechanism for grinding the mixture; a hot cyclone mechanism for blowing out the ground mixture. The construction sludge drying treatment device and the treatment method can be used for rapidly drying sludge in construction sites, and are high in speed, high in efficiency, less in used external filler and not easy to cause secondary sedimentation.
Description
Technical Field
The invention relates to the field of engineering, in particular to a construction sludge drying treatment device and a treatment method.
Background
Building construction site: refers to areas within the engineering-defined boundary range, as well as other intermediate preparation areas outside the specified limits that are actually used for construction or demolition.
The construction site is generally complex and severe, particularly the muddy ground after rain has great influence on constructors and equipment, so that the engineering efficiency is reduced, and dangerous accidents are easily caused.
The existing solution is mainly to dry naturally or to landfill by coal cinder and ballast, but the method has low efficiency, needs manual leveling, consumes time and labor, and is easy to cause secondary sedimentation because the moisture of the sludge is not removed.
Disclosure of Invention
The invention provides a construction sludge drying treatment device and a treatment method, which can rapidly carry out drying treatment on sludge in a construction site, and have the advantages of high speed, high efficiency, less used external filler and difficult secondary sedimentation.
The technical scheme of the invention is as follows:
the construction sludge drying treatment device comprises a fuel vehicle body; the fuel vehicle body is provided with a storage box for storing dry materials from outside
The collection mechanism is used for collecting ground silt;
a drying mechanism for reducing the humidity of the collected sludge;
a stirring mechanism for mixing the sludge and the dry material into a mixture;
a grinding mechanism for grinding the mixture;
a hot cyclone mechanism for blowing out the ground mixture.
The collecting mechanism is arranged at the tail part of the fuel vehicle body and comprises a rotary drum; an arc-shaped digging plate is uniformly arranged on the outer circumferential surface of the rotary drum; the storage box, the stirring mechanism and the grinding mechanism are sequentially arranged from top to bottom; the drying mechanism comprises a closed-loop conveyor belt used for conveying the collected sludge to the stirring mechanism and a hot box arranged in the space inside the closed-loop conveyor belt; the closed loop conveyor belt is a heat conductor and is abutted against the surface of the hot box; and the hot box is communicated with a tail gas exhaust pipe of the fuel vehicle body.
The hot cyclone mechanism comprises a vertical disc-shaped air box, a centrifugal wind wheel arranged in the disc-shaped air box, a feed pipe with a downward opening and a discharge pipe with an upward opening, wherein the feed pipe and the discharge pipe are respectively communicated with the disc-shaped air box along the tangential direction of the disc-shaped air box; the other end of the feeding pipe is provided with a horn-shaped opening for receiving the ground mixture; the other end of the discharging pipe faces the ground behind the fuel vehicle body.
Wherein, the bottom of the disc-shaped bellows is provided with a gravity sensor and a feed back opening which can be automatically opened and closed; the feed back opening is communicated with a feed back storage tank which is positioned obliquely below the disc-shaped bellows; the return material storage box is communicated to the storage box through the dragon shaft mechanism so as to convey the storage materials in the return material storage box to the storage box; the gravity sensor senses the weight of the material accumulated at the bottom of the disc-shaped air box, and the material return opening opens blanking when the weight of the material accumulated at the bottom of the disc-shaped air box exceeds a preset threshold value.
Wherein, be provided with two air intakes on the discoid bellows, one air intake communicates external atmosphere, and another air intake communicates with the fuel automobile body tail gas blast pipe.
Wherein, the rabbling mechanism includes a agitator and sets up the mixer in the agitator.
Wherein the grinding mechanism is a pair of grinding rollers which are horizontally arranged; the horn-shaped opening is positioned right below the grinding pair roller.
Wherein the dry sand or dry soil or coal slag or ballast is adopted.
Wherein, a roller for flattening the road surface is dragged behind the fuel oil vehicle body; the roller is arranged behind the collecting mechanism.
The construction sludge drying treatment method adopts the construction sludge drying treatment device and comprises the following steps in sequence:
step one: the rotary drum rotates, and the arc-shaped digging plate on the surface of the rotary drum digs up ground silt and releases the ground silt to the closed-loop conveyor belt;
step two: the closed loop conveyor belt transmits the sludge into the stirring barrel, and in the process, the heat box receives the heat of the tail gas of the fuel vehicle body and then heats and toasts the sludge through the closed loop conveyor belt to reduce the water content;
step three: the dry materials in the storage tank fall into the stirring barrel according to the weight and are mixed and stirred with the sludge which also enters the stirring barrel;
step four: the mixture falls from the lower part of the stirring barrel, is ground by the grinding pair roller and enters the disc-shaped bellows through the feeding pipe;
step five: the centrifugal wind wheel generates strong centrifugal cyclone in the disc-shaped wind box, and blows the mixture to the ground behind the fuel vehicle body through the discharge pipe, and in the process, the water in the mixture can be rapidly removed due to the fact that the tail gas of the fuel vehicle body is introduced, and the wind has heat;
step six: as the fuel vehicle body advances, the roller re-flattens the ground;
step seven: when the weight of the accumulated material at the bottom of the disc-shaped bellows exceeds a preset threshold value, the material return opening is opened to enable the accumulated material at the bottom of the disc-shaped bellows to fall into the material return storage box, and the storage material in the material return storage box is conveyed to the storage box through the dragon shaft mechanism for reuse.
The invention has the following beneficial effects:
1. the sludge drying treatment device can be used for rapidly drying sludge in a construction site, and is high in speed, high in efficiency, less in used external filler and not easy to cause secondary sedimentation;
2. the drying mechanism provided by the invention integrates transportation and drying, can effectively utilize the characteristic of spreading sludge in the transportation process, effectively reduce the water content by utilizing the larger contact area, and effectively utilize the tail gas of the fuel vehicle body for heating, and does not need additional energy.
3. The invention is provided with the grinding mechanism, and the mixture is ground before being released to the outside, so that the granularity of the mixture is effectively reduced, firstly, the uniform release of the mixture to the outside by using wind power can be ensured, and secondly, the water absorption of the mixture can be increased, so that the mixture can efficiently and largely absorb the residual moisture in the mud after being released to the outside.
4. The cyclone mechanism provided by the invention effectively realizes the negative pressure of the feed inlet and the positive pressure effect of the discharge outlet by utilizing the centrifugal principle, realizes orderly balance of inlet and outlet, and simultaneously, centrifugally separates the mixture, increases the kinetic energy of the mixture, and can reduce the wind force required by the mixture to be released to the outside, thereby guaranteeing the release of the mixture; meanwhile, the cyclone is utilized, and the drying of the mixture can be efficiently realized by combining tail gas heat.
5. The invention is provided with the feed back opening, the feed back storage box and the dragon shaft mechanism, can effectively prevent the mixture in the disc-shaped bellows from piling up, and meanwhile, the leaves play a role in screening the humidity and granularity of the mixture, and the mixture particles with higher humidity can not be released to the outside due to heavier weight and can be automatically recovered and dried again.
Drawings
FIG. 1 is a schematic diagram of a construction sludge drying treatment device;
FIG. 2 is a schematic diagram of a construction sludge drying treatment method of the present invention.
The reference numerals in the drawings are as follows:
the device comprises a 1-collecting mechanism, a 11-rotary drum, a 12-arc digging plate, a 2-drying mechanism, a 21-closed loop conveyor belt, a 22-hot box, a 3-stirring mechanism, a 31-stirring barrel, a 4-grinding mechanism, a 5-cyclone mechanism, a 51-disc-shaped bellows, a 511-feed back opening, a 52-centrifugal wind wheel, a 53-feed pipe, a 531-horn-shaped opening, a 54-discharge pipe, a 55-flood dragon shaft mechanism, a 56-feed back storage box, a 6-rotary drum and a 7-storage box.
Detailed Description
The invention will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1, a construction sludge drying treatment apparatus includes a fuel vehicle body; the fuel vehicle body is provided with a storage tank 7 for storing dry materials from outside
The collecting mechanism 1 is used for collecting ground silt;
drying mechanism 2 for reducing collected sludge humidity
A stirring mechanism 3 for mixing the sludge and the dry materials into a mixture;
a grinding mechanism 4 for grinding the mixture;
a hot cyclone mechanism 5 for blowing out the ground mixture.
Further, the collecting mechanism 1 is arranged at the tail part of the fuel vehicle body and comprises a rotary drum 11; arc-shaped digging plates 12 are uniformly arranged on the outer circumferential surface of the rotary drum 11; the storage box 7, the stirring mechanism 3 and the grinding mechanism 4 are sequentially arranged from top to bottom; the drying mechanism 2 comprises a closed-loop conveyor belt 21 for conveying the collected sludge to the stirring mechanism 3 and a hot box 22 arranged in the space inside the closed-loop conveyor belt 21; the closed loop conveyor belt 21 is a heat conductor and is abutted against the surface of the hot box 22; the hot box 22 is communicated with a tail gas exhaust pipe of the fuel vehicle body.
Further, the hot cyclone mechanism 5 comprises a vertical disc-shaped air box 51, a centrifugal wind wheel 52 arranged in the disc-shaped air box 51, a feed pipe 53 with a downward opening and a discharge pipe 54 with an upward opening, wherein the feed pipe 53 is respectively communicated with the disc-shaped air box 51 along the tangential direction of the disc-shaped air box 51; the other end of the feeding pipe 53 is provided with a horn-shaped opening 531 to receive the ground mixture; the other end of the discharging pipe 54 faces the ground behind the fuel vehicle body.
Further, a gravity sensor and an automatically openable and closable feed back opening 511 are provided at the bottom of the disc-shaped bellows 51; the feed back opening 511 is communicated with a feed back storage tank 56 which is positioned obliquely below the disc-shaped air box 51; the return material storage tank 56 is communicated to the storage tank 7 through the dragon shaft mechanism 55 so as to convey the storage materials in the return material storage tank 56 to the storage tank 7; the gravity sensor senses the weight of the bottom material of the disc-shaped bellows 51, and the material return opening 511 opens the blanking when the weight of the bottom material of the disc-shaped bellows 51 exceeds a preset threshold.
Further, two air inlets are arranged on the disc-shaped bellows 51, one air inlet is communicated with the outside atmosphere, and the other air inlet is communicated with a tail gas exhaust pipe of the fuel vehicle body.
Further, the stirring mechanism 3 comprises a stirring barrel 31 and a stirrer arranged in the stirring barrel 31.
Further, the grinding mechanism 4 is a pair of grinding paired rollers which are horizontally arranged; the flare opening 531 is located directly below the grinding pair roller.
Further, the dry material is dry sand or dry soil or coal slag or ballast.
Further, a roller 6 for flattening the road surface is dragged behind the fuel oil vehicle body; the drum 6 is arranged behind the collecting device 1.
Referring to fig. 2, the construction sludge drying treatment method, which adopts the construction sludge drying treatment device, comprises the following steps in sequence:
step one: the rotary drum 11 rotates, and the arc-shaped digging plate 12 on the surface of the rotary drum digs up ground silt and releases the ground silt onto the closed-loop conveyor belt 21;
step two: the closed loop conveyor belt 21 transmits the sludge into the stirring barrel 31, and in the process, the hot box 22 receives heat of tail gas of the fuel vehicle body so as to heat and bake the sludge through the closed loop conveyor belt 21 to reduce water;
step three: the dry materials in the storage tank 7 fall into the stirring barrel 31 in a certain amount to be mixed and stirred with the sludge which also enters the stirring barrel 31;
step four: the mixture falls from the lower part of the stirring barrel 31 and enters the disc-shaped bellows 51 through the feeding pipe 53 after being ground by the grinding pair roller;
step five: the centrifugal wind wheel 52 generates strong centrifugal cyclone in the disc-shaped wind box 51, and blows the mixture to the ground behind the fuel vehicle body through the discharge pipe 54, and in the process, the water in the mixture can be rapidly removed due to the fact that the tail gas of the fuel vehicle body is introduced, and the wind has heat;
step six: as the fuel vehicle body advances, the roller 6 re-flattens the ground;
step seven: when the weight of the bottom stock of the discoid bellows 51 exceeds a preset threshold, the return opening 511 is opened to enable the bottom stock of the discoid bellows 51 to fall into the return stock tank 56, and the stock in the return stock tank 56 is conveyed to the stock tank 7 through the auger shaft mechanism 55 for reuse.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. Construction silt desiccation processing apparatus, its characterized in that: comprises a fuel oil vehicle body; the fuel oil vehicle body is provided with a storage box (7) for storing dry materials from the outside, a collecting mechanism (1) for collecting ground sludge, a drying mechanism (2) for reducing the humidity of the collected sludge, a stirring mechanism (3) for mixing the sludge and the dry materials into a mixture, a grinding mechanism (4) for grinding the mixture and a hot cyclone mechanism (5) for blowing out the ground mixture; the acquisition mechanism (1) is arranged at the tail part of the fuel vehicle body and comprises a rotary drum (11); arc-shaped digging plates (12) are uniformly arranged on the outer circumferential surface of the rotary drum (11); the storage box (7), the stirring mechanism (3) and the grinding mechanism (4) are sequentially arranged from top to bottom; the drying mechanism (2) comprises a closed-loop conveyor belt (21) for conveying the collected sludge to the stirring mechanism (3) and a hot box (22) arranged in the space inside the closed-loop conveyor belt (21); the closed loop conveyor belt (21) is a heat conductor and is abutted against the surface of the hot box (22); the hot box (22) is communicated with a tail gas exhaust pipe of the fuel vehicle body; the hot cyclone mechanism (5) comprises a vertical disc-shaped air box (51), a centrifugal wind wheel (52) arranged in the disc-shaped air box (51), a feed pipe (53) with a downward opening and a discharge pipe (54) with an upward opening, wherein the feed pipe is respectively communicated with the disc-shaped air box (51) along the tangential direction of the disc-shaped air box (51); the other end of the feed pipe (53) is provided with a horn-shaped opening (531) for receiving the ground mixture; the other end of the discharging pipe (54) faces the ground behind the fuel vehicle body; the bottom of the disc-shaped bellows (51) is provided with a gravity sensor and a feed back opening (511) which can be automatically opened and closed; the feed back opening (511) is communicated with a feed back storage tank (56) positioned below the disc-shaped air box (51); the return material storage tank (56) is communicated to the storage tank (7) through the auger shaft mechanism (55) so as to convey the storage materials in the return material storage tank (56) to the storage tank (7); the gravity sensor senses the weight of the accumulated material at the bottom of the disc-shaped air box (51), and the feed back opening (511) opens blanking when the weight of the accumulated material at the bottom of the disc-shaped air box (51) exceeds a preset threshold value; two air inlets are arranged on the disc-shaped air box (51), one air inlet is communicated with the outside atmosphere, and the other air inlet is communicated with a tail gas exhaust pipe of the fuel vehicle body.
2. The construction sludge drying treatment device according to claim 1, wherein: the stirring mechanism (3) comprises a stirring barrel (31) and a stirrer arranged in the stirring barrel (31).
3. The construction sludge drying treatment device according to claim 2, wherein: the grinding mechanism (4) is a pair of grinding paired rollers which are horizontally arranged; the trumpet-shaped opening (531) is located right below the grinding pair roller.
4. A construction sludge drying treatment apparatus according to claim 3, wherein: the dry material is dry sand or dry soil or coal slag or ballast.
5. The construction sludge drying treatment device according to claim 4, wherein: a roller (6) for flattening the road surface is dragged behind the fuel oil vehicle body; the roller (6) is arranged behind the collecting mechanism (1).
6. The construction sludge drying treatment method adopts the construction sludge drying treatment device according to claim 5, and is characterized in that: comprising the following steps in sequence:
step one: the rotary drum (11) rotates, and an arc-shaped digging plate (12) on the surface of the rotary drum digs up ground silt and releases the ground silt onto a closed-loop conveyor belt (21);
step two: the closed loop conveyor belt (21) transmits the sludge into the stirring barrel (31), and in the process, the hot box (22) receives heat of tail gas of the fuel vehicle body so as to heat and bake the sludge through the closed loop conveyor belt (21) to reduce water;
step three: the dry materials in the storage tank (7) fall into the stirring barrel (31) in a certain amount to be mixed and stirred with the sludge which also enters the stirring barrel (31);
step four: the mixture falls from the lower part of the stirring barrel (31) and enters a disc-shaped bellows (51) from a feed pipe (53) after being ground by a grinding pair roller;
step five: the centrifugal wind wheel (52) generates strong centrifugal cyclone in the disc-shaped wind box (51), the mixture is blown out to the ground behind the fuel vehicle body through the discharge pipe (54), and in the process, the water in the mixture can be rapidly removed due to the fact that tail gas of the fuel vehicle body is introduced, and the wind has heat;
step six: as the fuel vehicle body advances, the roller (6) flattens the ground again;
step seven: when the weight of the bottom accumulated material of the disc-shaped bellows (51) exceeds a preset threshold value, the feed back opening (511) is opened to enable the bottom accumulated material of the disc-shaped bellows (51) to fall into the feed back storage box (56), and the storage materials in the feed back storage box (56) are conveyed to the storage box (7) through the auger shaft mechanism (55) to be reused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910636291.6A CN110255852B (en) | 2019-07-15 | 2019-07-15 | Construction sludge drying treatment device and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910636291.6A CN110255852B (en) | 2019-07-15 | 2019-07-15 | Construction sludge drying treatment device and treatment method |
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| Publication Number | Publication Date |
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| CN110255852A CN110255852A (en) | 2019-09-20 |
| CN110255852B true CN110255852B (en) | 2024-03-22 |
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| CN201910636291.6A Active CN110255852B (en) | 2019-07-15 | 2019-07-15 | Construction sludge drying treatment device and treatment method |
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| CN111499152A (en) * | 2020-04-09 | 2020-08-07 | 中国一冶集团有限公司 | Rotary-digging sludge drying treatment device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3044997U (en) * | 1997-06-18 | 1998-01-23 | 福岡 大智 | Dry processing vehicle for water-containing treated products |
| JP2000005799A (en) * | 1998-06-23 | 2000-01-11 | Takashige Sangyo Kk | Sludge dryer |
| CN103539329A (en) * | 2012-07-13 | 2014-01-29 | 北大工学院绍兴技术研究院 | Mobile sludge drying equipment by using automobile waste heat |
| CN206014638U (en) * | 2016-08-16 | 2017-03-15 | 深圳道汇环保科技有限公司 | A kind of sludge drying mechanism |
| CN109138031A (en) * | 2018-08-22 | 2019-01-04 | 湖南城市学院 | One kind being used for irrigation canals and ditches device for treating sludge |
| CN109516664A (en) * | 2018-12-18 | 2019-03-26 | 湖南大学 | A kind of cyclone system for sludge drying |
| CN210419686U (en) * | 2019-07-15 | 2020-04-28 | 福州建工（集团）总公司 | Construction sludge drying treatment device |
-
2019
- 2019-07-15 CN CN201910636291.6A patent/CN110255852B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3044997U (en) * | 1997-06-18 | 1998-01-23 | 福岡 大智 | Dry processing vehicle for water-containing treated products |
| JP2000005799A (en) * | 1998-06-23 | 2000-01-11 | Takashige Sangyo Kk | Sludge dryer |
| CN103539329A (en) * | 2012-07-13 | 2014-01-29 | 北大工学院绍兴技术研究院 | Mobile sludge drying equipment by using automobile waste heat |
| CN206014638U (en) * | 2016-08-16 | 2017-03-15 | 深圳道汇环保科技有限公司 | A kind of sludge drying mechanism |
| CN109138031A (en) * | 2018-08-22 | 2019-01-04 | 湖南城市学院 | One kind being used for irrigation canals and ditches device for treating sludge |
| CN109516664A (en) * | 2018-12-18 | 2019-03-26 | 湖南大学 | A kind of cyclone system for sludge drying |
| CN210419686U (en) * | 2019-07-15 | 2020-04-28 | 福州建工（集团）总公司 | Construction sludge drying treatment device |
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| CN110255852A (en) | 2019-09-20 |
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