CN113582499A - Regeneration production process for sludge resources generated by treating furnace washing slag - Google Patents
Regeneration production process for sludge resources generated by treating furnace washing slag Download PDFInfo
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- CN113582499A CN113582499A CN202010360613.1A CN202010360613A CN113582499A CN 113582499 A CN113582499 A CN 113582499A CN 202010360613 A CN202010360613 A CN 202010360613A CN 113582499 A CN113582499 A CN 113582499A
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge resource regeneration production process for treating slag generated by washing, which comprises a drying device, wherein the drying device consists of a spin-drying mechanism, a conveying mechanism, a sludge thickness adjusting mechanism, a hot air drying mechanism, a drying shell and a channel selecting mechanism, the sludge is poured into the spin-drying mechanism firstly, and 80-90% of water contained in the sludge is separated through centrifugal rotation of the spin-drying mechanism; after getting rid of futilely, mud falls to the transport mechanism from row silt passageway on, mud thickness adjustment mechanism changes the thickness of mud according to control, transport mechanism's rotational speed and hot-air drying mechanism's temperature, it connects to drying device to generate electricity through utilizing solar module, press out the mud that contains 30% -50% moisture with the filter-press and transport to appointed stoving place, dry, practice thrift the power consumption energy consumption of power plant, reduce enterprise operation cost, improve work efficiency, simultaneously can transport the mud of drying toward the cement plant fast, as the mixed principal ingredients of cement, so both can reach the environmental protection, the effect of energy saving.
Description
Technical Field
The invention relates to the field of sludge resource treatment, in particular to a regeneration production process of sludge resources generated by treating furnace washing slag.
Background
At present, after electricity is used in the market, a large amount of slag of about 600-800 tons is generated to fight for two treatment modes of waste slag: one is sludge pressed and filtered by a plate and frame type filter press, but the undried sludge pressed by the filter press contains 30-50% of water and needs to be dried by a drying device, so that a large amount of electric power is utilized, the cost is high, the value of the waste sludge cannot be equal to the value of the power consumption, huge economic benefits are brought to a power plant, and the other is a more traditional mode and is naturally dried; the sludge which is not dried and is pressed out by the filter press is flatly paved on a fixed place, the occupied area is large, the sludge is not easy to dry, the drying time is long, and the sludge is influenced by weather, so that a large amount of slag is accumulated, and the natural environment is damaged.
Disclosure of Invention
The invention aims to provide a sludge resource regeneration production process for treating slag generated by washing, which has the advantages that the process is connected to a drying device through power generation by utilizing a solar module, sludge containing 30-50% of water pressed out by a filter press is transported to a specified drying site for drying, the power consumption and the energy consumption of a power plant are saved, the operation cost of an enterprise is reduced, the working efficiency is improved, and meanwhile, the dried sludge can be rapidly transported to a cement plant to be used as a main mixing component of cement, so that the effects of environmental protection and energy consumption saving can be achieved, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a sludge resource regeneration production process for treating furnace washing slag comprises a drying device, wherein the drying device comprises a spin-drying mechanism, a conveying mechanism, a sludge thickness adjusting mechanism, a hot air drying mechanism, a drying shell and a channel selecting mechanism, the spin-drying mechanism is installed at the top end of the drying shell, the channel selecting mechanism is installed in the spin-drying mechanism and works for 5min in the spin-drying mechanism, a sludge discharging channel in the channel selecting mechanism is opened for 20s, and a water discharging channel in the channel selecting mechanism is opened after 20 s;
the conveying mechanism is arranged in the drying shell, the conveying mechanism, the sludge thickness adjusting mechanism and the hot air drying mechanism are arranged on the conveying mechanism, the sludge thickness adjusting mechanism and the hot air drying mechanism are all connected with solar energy, electric energy generated by the solar energy supplies power to the conveying mechanism, the sludge thickness adjusting mechanism and the hot air drying mechanism are controlled by a PLC, the rotating speed on the conveying mechanism is adjusted, the sludge conveying speed is adjusted, the sludge thickness adjusting mechanism is matched with the sludge thickness adjusting mechanism to adjust the thickness of sludge on the conveying mechanism, and the hot air drying mechanism adjusts the drying temperature of the sludge according to the speed of the conveying mechanism;
wherein, the regeneration production process comprises the following steps:
s1: pouring the sludge into a spin-drying mechanism, and separating 80-90% of water in the sludge through centrifugal rotation of the spin-drying mechanism;
s2: the drainage channel is in an open state in the spin-drying process, water is discharged from the drainage channel, and after the spin-drying process is finished, the channel selection mechanism works, so that sludge falls onto the conveying mechanism from the sludge discharge channel;
s3: the conveying mechanism adjusts the sludge conveying speed by a PLC, if the sludge conveying speed is low, the sludge thickness adjusting mechanism is lifted upwards to improve the thickness of the sludge, meanwhile, the temperature of the hot air drying mechanism is improved, if the sludge conveying speed is high, the sludge thickness adjusting mechanism is pressed upwards to reduce the thickness of the sludge, and meanwhile, the temperature of the hot air drying mechanism is reduced;
s4: and discharging the dried sludge from the drying shell under the conveying of the conveying mechanism.
Furthermore, the spin-drying mechanism comprises a bin box with openings at two ends, a motor, a centrifugal cylinder and a motor base, wherein the motor base is sleeved outside the motor and fixed in the bin box, the centrifugal cylinder with an opening at the top is fixed on a shaft on which the motor rotates, and a leakage hole for separation is processed outside the centrifugal cylinder and used for enabling the motor to drive the centrifugal cylinder to rotate and liquid to be separated from the leakage hole.
Furthermore, the conveying mechanism comprises a first conveying belt, support frames, a motor and a second conveying belt, the two groups of support frames are respectively connected with the first conveying belt and the second conveying belt and used for supporting, the first conveying belt is located in the drying shell, the second conveying belt is located outside the drying shell, and the motor drives the first conveying belt and the second conveying belt to synchronously rotate through a belt.
Further, mud thickness adjustment mechanism includes curb plate, cylinder, side lever and sloping block, and the curb plate is fixed in the both sides of first transportation area, and the cylinder is installed on the curb plate, and the one end of side lever is connected with the output of cylinder, and the other end of side lever is connected with the sloping block, and the sloping block moves under the effect of cylinder, and the thickness of change mud is upwards or downwards.
Furthermore, hot air drying mechanism includes hot-blast hole and air heater, and the air heater is installed between first conveyer area, and a plurality of hot-blast holes on the air heater are towards the upper end of first conveyer area, and the mud is dried through the hot-blast hole to the hot-blast that the air heater produced.
Further, passageway selection mechanism includes drain pipe, blowdown mud pipe and rotating baffle, and the blowdown mud pipe is installed in the below of storehouse box to towards the initiating terminal in first conveyer belt, the drain pipe slope is fixed at the blowdown mud pipe, and installs automatically controlled rotating baffle between drain pipe and blowdown mud pipe, and rotating baffle rotates at both sides, seals one of both sides of drain pipe and blowdown mud pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the regeneration production process of the sludge resource generated by treating the slag washing, the sludge is poured into the spin-drying mechanism firstly, and 80-90% of water contained in the sludge is separated through centrifugal rotation of the spin-drying mechanism; after getting rid of futilely, mud falls to the transport mechanism from row silt passageway on, mud thickness adjustment mechanism changes the thickness of mud according to control, transport mechanism's rotational speed and hot-air drying mechanism's temperature, it connects to drying device to generate electricity through utilizing solar module, press out the mud that contains 30% -50% moisture with the filter-press and transport to appointed stoving place, dry, practice thrift the power consumption energy consumption of power plant, reduce enterprise operation cost, improve work efficiency, simultaneously can transport the mud of drying toward the cement plant fast, as the mixed principal ingredients of cement, so both can reach the environmental protection, the effect of energy saving.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a structural view of the spin-drying mechanism of the present invention;
FIG. 3 is a side view of the transport mechanism of the present invention;
fig. 4 is an enlarged view of fig. 1 at a.
In the figure: 1. a spin-drying mechanism; 11. a cartridge; 12. a motor; 13. a centrifugal cylinder; 14. a motor base; 2. a transport mechanism; 21. a first conveyor belt; 22. a support frame; 23. a motor; 24. a second conveyor belt; 3. a sludge thickness adjusting mechanism; 31. a side plate; 32. a cylinder; 33. a side lever; 34. a sloping block; 4. a hot air drying mechanism; 41. hot air holes; 42. a hot air blower; 5. drying the shell; 6. a channel selection mechanism; 61. a drain pipe; 62. a sludge draining pipe; 63. the baffle is rotated.
Detailed Description
The technical scheme in the embodiment of the invention will be made clear below by combining the attached drawings in the embodiment of the invention; fully described, it is to be understood that the described embodiments are merely exemplary of some, but not all, embodiments of the invention and that all other embodiments, which can be derived by one of ordinary skill in the art based on the described embodiments without inventive faculty, are within the scope of the invention.
Referring to fig. 1, a sludge resource regeneration production process for treating slag generated by washing includes a drying device, the drying device is composed of a spin-drying mechanism 1, a conveying mechanism 2, a sludge thickness adjusting mechanism 3, a hot air drying mechanism 4, a drying shell 5 and a channel selecting mechanism 6, the spin-drying mechanism 1 is installed at the top end of the drying shell 5, the channel selecting mechanism 6 is installed in the spin-drying mechanism 1 and works for 5min in the spin-drying mechanism 1, a sludge discharging channel in the channel selecting mechanism 6 is opened for 20s, a water discharging channel in the channel selecting mechanism 6 is opened after 20s, and a timer built in the channel selecting mechanism 6 runs at regular time;
the transportation mechanism 2 is arranged in the drying shell 5, the transportation mechanism 2, the sludge thickness adjusting mechanism 3 and the hot air drying mechanism 4 are arranged on the transportation mechanism 2, the sludge thickness adjusting mechanism 3 and the hot air drying mechanism 4 are all connected with solar energy, the solar energy can adopt a silicon solar cell, concretely, the silicon solar cell is in a cubic structure, the appearance size of the silicon solar cell is about 6mm multiplied by 8mm to 10mm multiplied by 10mm, the silicon solar cell has higher photoelectric conversion efficiency, the existing manufacturing technology is mature, the solar cell can also adopt a transparent solar film, the transparent solar film is a film-shaped solar cell formed by plating a photovoltaic material on a transparent ITO substrate, the solar module is utilized to generate electricity, and sludge containing 30-50% of moisture is pressed out by a filter press and transported to a designated drying place, drying is carried out, power consumption of the power plant is saved, the operation cost of enterprises is reduced, the working efficiency is improved, the conveying mechanism 2, the sludge thickness adjusting mechanism 3 and the hot air drying mechanism 4 are controlled by a PLC (programmable logic controller), the speed of rotation on the conveying mechanism 2 is adjusted, the sludge conveying speed is adjusted, the sludge thickness adjusting mechanism 3 is matched to adjust the thickness of sludge on the conveying mechanism 2, and the hot air drying mechanism 4 adjusts the drying temperature according to the speed of the conveying mechanism 2.
Referring to fig. 2, the spin-drying mechanism 1 includes a bin box 11 with two open ends, a motor 12, a centrifugal cylinder 13 and a motor base 14, the motor base 14 is sleeved outside the motor 12 and fixed in the bin box 11, the centrifugal cylinder 13 with an open top is fixed on a shaft rotated by the motor 12, a leak hole for separation is processed outside the centrifugal cylinder 13, and is used for the motor 12 to drive the centrifugal cylinder 13 to rotate, liquid is separated from the leak hole, and the liquid and sludge are separated by centrifugation generated by rotation of the centrifugal cylinder 13.
The conveying mechanism 2 comprises a first conveying belt 21, supporting frames 22, a motor 23 and a second conveying belt 24, two groups of supporting frames 22 are respectively connected with the first conveying belt 21 and the second conveying belt 24 and used for supporting, the first conveying belt 21 is located in the drying shell 5, the second conveying belt 24 is located outside the drying shell 5, the motor 23 drives the first conveying belt 21 and the second conveying belt 24 to synchronously rotate through a belt, the first conveying belt 21 allows sludge to be conveyed and dried simultaneously, and conveys the dried sludge to the second conveying belt 24, and the second conveying belt 24 can convey the dried sludge to a cement plant quickly as a main mixed component of cement, so that the effects of environmental protection and energy saving can be achieved.
Referring to fig. 3-4, the sludge thickness adjusting mechanism 3 includes a side plate 31, a cylinder 32, a side rod 33 and an inclined block 34, the side plate 31 is fixed on two sides of the first conveyor belt 21, the cylinder 32 is installed on the side plate 31, one end of the side rod 33 is connected with an output end of the cylinder 32, the other end of the side rod 33 is connected with the inclined block 34, the inclined block 34 moves upwards or downwards under the action of the cylinder 32 to change the thickness of the sludge, the inclined block 34 can be trapezoidal or triangular, the inclined plane of the inclined block is large at the top and small at the bottom, and the contact point between the inclined block 34 and the sludge is relieved in the process of sludge moving.
The hot air drying mechanism 4 comprises hot air holes 41 and a hot air blower 42, the hot air blower 42 is installed between the first conveyer belts 21, a plurality of hot air holes 41 on the hot air blower 42 face the upper end of the first conveyer belt 21, hot air generated by the hot air blower 42 passes through the hot air holes 41 to dry sludge, and heat generated by the hot air holes 41 can dry sludge on the first conveyer belt 21.
The channel selecting mechanism 6 comprises a drain pipe 61, a sludge discharge pipe 62 and a rotary baffle 63, wherein the sludge discharge pipe 62 is arranged below the bin box 11 and faces the starting end of the first conveyor belt 21, the drain pipe 61 is obliquely fixed on the sludge discharge pipe 62, an electrically controlled rotary baffle 63 is arranged between the drain pipe 61 and the sludge discharge pipe 62, the rotary baffle 63 rotates on two sides to seal one of the drain pipe 61 and the sludge discharge pipe 62, the rotating angle of the rotary baffle 63 is matched with the angle between the drain pipe 61 and the sludge discharge pipe 62, one of the drain pipe 61 and the sludge discharge pipe 62 can be completely shielded by the rotary baffle 63, and only one of the functions of the drain pipe 61 and the sludge discharge pipe 62 can be realized in the same time period.
Wherein, the regeneration production process comprises the following steps:
the method comprises the following steps: pouring the sludge into the spin-drying mechanism 1, and separating 80-90% of water contained in the sludge through centrifugal rotation of the spin-drying mechanism 1;
step two: in the spin-drying process, the drainage channel is in an open state, water is discharged from the drainage channel, after the spin-drying process is finished, the channel selection mechanism 6 works, and sludge falls onto the conveying mechanism 2 from the sludge discharge channel;
step three: the conveying mechanism 2 adjusts the sludge conveying speed by a PLC, if the sludge conveying speed is slow, the sludge thickness adjusting mechanism 3 is lifted upwards to improve the thickness of the sludge, meanwhile, the temperature of the hot air drying mechanism 4 is improved, if the sludge conveying speed is fast, the sludge thickness adjusting mechanism 3 is pressed upwards to reduce the thickness of the sludge, and meanwhile, the temperature of the hot air drying mechanism 4 is reduced;
step four: the dried sludge is discharged from the drying shell 5 under the transportation of the transportation mechanism 2.
In conclusion, in the regeneration production process of the sludge resource generated by treating the slag washing, the sludge is firstly poured into the spin-drying mechanism 1, and 80-90% of water contained in the sludge is separated through centrifugal rotation of the spin-drying mechanism 1; after getting rid of futilely, mud falls on transport mechanism 2 from row's silt passageway, mud thickness adjustment mechanism 3 changes the thickness of mud according to control, transport mechanism 2's rotational speed and hot-blast drying mechanism 4's temperature, connect to drying device through utilizing solar module to generate electricity, press out the mud that contains 30% -50% moisture with the filter-press and transport to appointed stoving place, dry, practice thrift power plant's power consumption energy consumption, reduce enterprise operation cost, improve work efficiency, the mud that will dry simultaneously can be transported to the cement factory fast, as the mixed principal ingredients of cement, so both can reach the environmental protection, the effect of energy saving.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. A sludge resource regeneration production process for treating furnace washing slag is characterized by comprising a drying device, wherein the drying device comprises a spin-drying mechanism (1), a conveying mechanism (2), a sludge thickness adjusting mechanism (3), a hot air drying mechanism (4), a drying shell (5) and a channel selecting mechanism (6), the spin-drying mechanism (1) is installed at the top end of the drying shell (5), the channel selecting mechanism (6) is installed in the spin-drying mechanism (1) and works for 5min in the spin-drying mechanism (1), a sludge discharging channel in the channel selecting mechanism (6) is opened for 20s, and a water discharging channel in the channel selecting mechanism (6) is opened after 20 s;
the conveying mechanism (2) is installed in the drying shell (5), the conveying mechanism (2), the sludge thickness adjusting mechanism (3) and the hot air drying mechanism (4) are installed on the conveying mechanism (2), the sludge thickness adjusting mechanism (3) and the hot air drying mechanism (4) are all connected with solar energy, electric energy generated by solar energy supplies power to the conveying mechanism (2), the sludge thickness adjusting mechanism (3) and the hot air drying mechanism (4) are controlled by a PLC (programmable logic controller), the rotating speed of the conveying mechanism (2) adjusts the conveying speed of sludge, the sludge thickness of the sludge on the conveying mechanism (2) is adjusted by matching with the sludge thickness adjusting mechanism (3), and the drying temperature of the sludge is adjusted by the hot air drying mechanism (4) according to the speed of the conveying mechanism (2);
wherein, the regeneration production process comprises the following steps:
s1: pouring the sludge into the spin-drying mechanism (1), and separating 80-90% of water contained in the sludge through centrifugal rotation of the spin-drying mechanism (1);
s2: in the spin-drying process, the drainage channel is in an open state, water is discharged from the drainage channel, after the spin-drying process is finished, the channel selection mechanism (6) works, and sludge falls onto the conveying mechanism (2) from the sludge discharge channel;
s3: the conveying mechanism (2) is used for adjusting the sludge conveying speed through a PLC (programmable logic controller), if the sludge conveying speed is low, the sludge thickness adjusting mechanism (3) is lifted upwards to improve the thickness of the sludge, meanwhile, the temperature of the hot air drying mechanism (4) is improved, if the sludge conveying speed is high, the sludge thickness adjusting mechanism (3) is pressed upwards to reduce the thickness of the sludge, and meanwhile, the temperature of the hot air drying mechanism (4) is reduced;
s4: and the dried sludge is discharged from the drying shell (5) under the conveying of the conveying mechanism (2).
2. The process of claim 1, wherein the spin-drying mechanism (1) comprises a bin box (11) with two open ends, a motor (12), a centrifugal cylinder (13) and a motor base (14), the motor base (14) is sleeved outside the motor (12) and fixed in the bin box (11), the centrifugal cylinder (13) with an open top is fixed on a shaft rotated by the motor (12), a leakage hole for separation is formed in the outer part of the centrifugal cylinder (13) and used for the motor (12) to drive the centrifugal cylinder (13) to rotate, and liquid is separated from the leakage hole.
3. The recycling production process of sludge resources generated by treating the washing slag according to claim 1, wherein the conveying mechanism (2) comprises a first conveying belt (21), support frames (22), a motor (23) and a second conveying belt (24), two groups of support frames (22) are respectively connected with the first conveying belt (21) and the second conveying belt (24) for supporting, the first conveying belt (21) is positioned in the drying shell (5), the second conveying belt (24) is positioned outside the drying shell (5), and the motor (23) drives the first conveying belt (21) and the second conveying belt (24) to synchronously rotate through a belt.
4. The regeneration production process of sludge resources generated by treating the washing slag according to claim 1, wherein the sludge thickness adjusting mechanism (3) comprises a side plate (31), an air cylinder (32), a side rod (33) and an inclined block (34), the side plate (31) is fixed on two sides of the first conveyor belt (21), the air cylinder (32) is installed on the side plate (31), one end of the side rod (33) is connected with the output end of the air cylinder (32), the other end of the side rod (33) is connected with the inclined block (34), and the inclined block (34) moves upwards or downwards under the action of the air cylinder (32) to change the thickness of the sludge.
5. The recycling production process of sludge resources generated by processing the washing slag according to claim 1, wherein the hot air drying mechanism (4) comprises hot air holes (41) and a hot air blower (42), the hot air blower (42) is installed between the first conveyer belts (21), a plurality of hot air holes (41) on the hot air blower (42) face the upper end of the first conveyer belt (21), and the hot air generated by the hot air blower (42) is used for drying the sludge through the hot air holes (41).
6. The recycling production process of sludge resources generated by treating the slag from washing furnace as claimed in claim 1, wherein the channel selection mechanism (6) comprises a drain pipe (61), a sludge discharge pipe (62) and a rotary baffle (63), the sludge discharge pipe (62) is installed below the bin box (11) and faces to the starting end of the first conveyor belt (21), the drain pipe (61) is obliquely fixed on the sludge discharge pipe (62), an electrically controlled rotary baffle (63) is installed between the drain pipe (61) and the sludge discharge pipe (62), the rotary baffle (63) rotates on both sides, and one of the drain pipe (61) and the sludge discharge pipe (62) is sealed.
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| CN202010360613.1A CN113582499B (en) | 2020-04-30 | 2020-04-30 | Regeneration production process for sludge resources generated by treating furnace washing slag |
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| CN202010360613.1A CN113582499B (en) | 2020-04-30 | 2020-04-30 | Regeneration production process for sludge resources generated by treating furnace washing slag |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133872A (en) * | 1991-01-31 | 1992-07-28 | Ashbrook-Simon-Hartley Corporation | Method and apparatus for controlling throughput in a beltpress |
| CN104534844A (en) * | 2014-12-18 | 2015-04-22 | 山东理工大学 | Drying device capable of automatically adjusting conveying speed |
| CN110922026A (en) * | 2019-12-19 | 2020-03-27 | 李郅恺 | Integral type environmental protection sludge drying device |
| CN210346219U (en) * | 2019-07-03 | 2020-04-17 | 江西宏大化工有限公司 | Modified starch waste residue screening and drying integrated machine |
-
2020
- 2020-04-30 CN CN202010360613.1A patent/CN113582499B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133872A (en) * | 1991-01-31 | 1992-07-28 | Ashbrook-Simon-Hartley Corporation | Method and apparatus for controlling throughput in a beltpress |
| CN104534844A (en) * | 2014-12-18 | 2015-04-22 | 山东理工大学 | Drying device capable of automatically adjusting conveying speed |
| CN210346219U (en) * | 2019-07-03 | 2020-04-17 | 江西宏大化工有限公司 | Modified starch waste residue screening and drying integrated machine |
| CN110922026A (en) * | 2019-12-19 | 2020-03-27 | 李郅恺 | Integral type environmental protection sludge drying device |
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