CN111807667A - Harmless and environment-friendly sludge treatment system and process - Google Patents
Harmless and environment-friendly sludge treatment system and process Download PDFInfo
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- CN111807667A CN111807667A CN202010749734.5A CN202010749734A CN111807667A CN 111807667 A CN111807667 A CN 111807667A CN 202010749734 A CN202010749734 A CN 202010749734A CN 111807667 A CN111807667 A CN 111807667A
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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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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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
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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
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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Abstract
The invention belongs to the technical field of sludge treatment, and particularly relates to a harmless and environment-friendly sludge treatment system which comprises a filter-pressing dehydration part, a centrifugal dehydration part and a drying dehydration part, wherein the filter-pressing dehydration part comprises a feed hopper, a filter-pressing mechanism and a discharge hopper, the filter-pressing mechanism comprises a feed inclined plate, the feed hopper is connected with a filter-pressing cam, the feed inclined plate is hollow and is provided with a first screening micropore, the lower end of the feed inclined plate is provided with a first liquid guide pipe, the feed hopper is provided with a first brake cabinet, the centrifugal dehydration part comprises a filter barrel, a liquid guide barrel and a centrifugal mechanism, the filter barrel is provided with a second screening micropore, the centrifugal mechanism comprises a centrifugal column, the centrifugal column is provided with a spiral feeding blade, the filter barrel is provided with a first discharge port, the first discharge port is provided with a liquid guide inclined surface, the liquid guide barrel is provided with a second discharge port, the liquid guide barrel is provided with a second brake cabinet, the feeding mechanism comprises a shell and a vibrating plate, and a vibrator is arranged in the shell.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a harmless and environment-friendly sludge treatment system and process.
Background
Sludge treatment is a process of carrying out reduction, stabilization and harmless treatment on sludge. The higher the degree of wastewater treatment, the more sludge residue will be produced to be treated. A general sewage treatment plant must be provided with a sludge treatment facility unless the sewage is treated using land treatment or a sewage pond. For modern sewage treatment plants, the treatment and disposal of sludge have become the most complex and costly part of the operation of sewage treatment systems, wherein sludge drying makes the sludge treatment a crucial link.
Sludge drying, also known as sludge dewatering, refers to a process of removing most of the water content from sludge by the action of percolation or evaporation, and generally refers to the use of self-evaporation facilities such as sludge drying beds (beds). After the sludge is concentrated, the water content of the sludge is further reduced by a physical method, so that the sludge is convenient to transport, accumulate, utilize or further treat. Dehydration (anhydration) includes two methods, natural evaporation and mechanical dehydration. The mechanical dehydration method is traditionally called sludge dehydration, and the natural evaporation method is called sludge drying. Although the methods are different, the method is a measure for further reducing the water content of the sludge.
The existing sludge dewatering system usually occupies a large area, the conveying amount distance between all parts is long, the integral efficiency of sludge dewatering is influenced, the dewatering mode of the existing sludge dewatering system is usually single, and the dewatering effect is not ideal.
Disclosure of Invention
The purpose of the invention is: aims to provide a harmless and environment-friendly sludge treatment system and a process, which are used for solving the problems in the background technology.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a sludge harmless environment-friendly treatment system, which comprises a filter-pressing dehydration part, a centrifugal dehydration part and a drying dehydration part, wherein,
the filter pressing dehydration part comprises a feed hopper, a filter pressing mechanism and a discharge hopper, the filter pressing mechanism comprises a feed inclined plate arranged at the upper part of the feed hopper, the feed hopper is rotatably connected with a plurality of filter pressing cams matched with the feed inclined plate, the feed inclined plate is hollow inside and is provided with a plurality of first screening micropores facing one side of the cam, the lower end of the feed inclined plate is provided with a first liquid guide pipe, the feed hopper is provided with a first brake case, and the first brake case is in transmission connection with the filter pressing cams;
the centrifugal dehydration part comprises a filter vat, a liquid guide vat and a centrifugal mechanism, the filter vat is arranged in the liquid guide vat, the filter vat is provided with a plurality of second screening micropores, the centrifugal mechanism comprises a centrifugal column arranged in the filter vat, the centrifugal column is provided with a spiral feeding blade matched with the filter vat, the lower side of the filter vat is provided with a first discharge hole, the upper side of the first discharge hole is provided with a liquid guide inclined plane, the liquid guide vat is provided with a second discharge hole matched with the first discharge hole, the first discharge hole is fixedly communicated with the second discharge hole, the bottom of the liquid guide vat is provided with a second brake cabinet, a transmission shaft of the second brake cabinet penetrates through the bottom of the filter vat to be fixedly connected with the centrifugal vat, a second liquid guide pipe is arranged at the lower part of the liquid guide inclined plane, and the second liquid guide pipe penetrates through the liquid guide vat to extend outwards;
the drying and dewatering part comprises a drying box and a feeding mechanism, the drying box is located on the upper side of the feeding mechanism, the feeding mechanism comprises a shell and a vibrating plate, one end of the vibrating plate is fed to the discharging end of the vibrating plate from top to bottom, a vibrator is arranged inside the shell, and the vibrator is fixedly connected with the vibrating plate.
Further inject, first braking machine incasement portion is equipped with the motor, the motor is equipped with driving pulley, each the filter-pressing cam pivot stretches into first braking machine incasement portion fixedly connected with and driving pulley assorted driven pulleys, driving pulley is connected with each driven pulley belt transmission respectively. By adopting the structure, the motor drives the driving belt wheel to rotate after rotating, and then all the driven belt wheels rotate in the same direction through belt transmission, so that all the filter pressing cams rotate in the same direction to compress and filter out moisture from sludge.
Further limit, the number of the filter pressing cams is not less than three. By adopting the structure, the filter pressing cam can filter press and dehydrate sludge for many times, so that the filter pressing and dehydrating effect is better.
Further, the first liquid guide pipe and the second liquid guide pipe are provided with manual ball valves. Such a structure enables a person to open and close the first and second catheters easily.
Further, the upper side of the centrifugal column is a conical surface. By adopting the structure, the sludge can be conveyed to the spiral feeding blade along the conical surface, and the sludge is prevented from being accumulated in the middle of the centrifugal column.
Further limited, the inclined angle of the liquid guide inclined plane is 2-5 degrees, and the inclined angle of the vibrating plate is 5-10 degrees.
Further limit, the both sides of vibration board are equipped with the guard plate. With this structure, when the vibrating plate vibrates, the sludge is prevented from being vibrated out of the vibrating plate.
Further inject, be equipped with first bracing piece between filter-pressing dewatering portion and the stoving dewatering portion, the drain bucket downside is equipped with the second bracing piece. With the structure, the first support rod is used for supporting and fixing the filter pressing dehydration part, and the second support rod is used for supporting and fixing the liquid guide barrel, so that the device is stable in support.
A sludge treatment process of a sludge harmless environment-friendly treatment system comprises the following steps:
s100: firstly, sludge is led into a sedimentation tank, and water among gaps of sludge particles is filtered through gravity sedimentation;
s200: pumping the water-containing sludge subjected to gravity precipitation into a filter pressing dehydration part, performing extrusion compression between a filter pressing cam and a feeding inclined plate to preliminarily filter out water of the sludge, and conveying the sludge to a centrifugal dehydration part through the feeding inclined plate;
s300: the sludge after the water is preliminarily filtered enters a centrifugal dehydration part through a feeding inclined plate, the sludge is centrifuged through the rotation of a centrifugal column, the water of the sludge is further filtered, and meanwhile, the sludge is conveyed to a first discharge port by a spiral feeding blade and conveyed to a drying dehydration part through the first discharge port and a second discharge port;
s400: when the sludge is conveyed to the vibrating plate, the vibrating plate vibrates to turn over the sludge, meanwhile, the drying box blows hot air, the sludge is dried and dehydrated, the sludge is finally dried, and the dried and dehydrated sludge is led out through the vibrating plate;
further, the step S100 further includes the following steps:
s101: when the sludge is guided into the sedimentation tank for gravity sedimentation, the sludge modifier is added into the sedimentation tank to convert the sludge into a soil particle structure, so that the sludge is in a soil state, and the water is more fully analyzed during the gravity sedimentation.
By adopting the technical scheme of the invention, the first screening micropores and the second screening micropores are the prior art, the aperture is 0.1-5 μm, and water can be filtered out without filtering out sludge particles; the sludge is conveyed to a filter-pressing dehydration part through a feed hopper, the sludge is conveyed along a feeding inclined plate of a filter-pressing mechanism, a filter-pressing cam is driven to rotate through a first brake cabinet, when a convex part of the filter-pressing cam rotates above the feeding inclined plate, the water in the sludge is filtered through extrusion between the convex part of the filter-pressing cam and the feeding inclined plate, the filtered water flows into the feeding inclined plate through first screening micropores and is guided out through a first liquid guide pipe, so that preliminary filter-pressing dehydration is realized, and meanwhile, the sludge can be pushed downwards along the feeding inclined plate when the filter-pressing cam rotates, so that the sludge can enter a feed hopper through the feeding inclined plate and is conveyed to a centrifugal dehydration part;
when entering the centrifugal dewatering part, sludge subjected to preliminary filter pressing falls on a centrifugal column of a centrifugal mechanism, the centrifugal column can be driven to rotate through the rotation of a second brake case, so that the sludge falling on the centrifugal column is thrown onto a spiral feeding blade of the centrifugal column, meanwhile, the spiral feeding blade is driven to rotate when the centrifugal column rotates, so that the sludge can be conveyed to the lower side of a filter barrel while being centrifuged, moisture of the sludge is centrifugally filtered out through second screening micropores of the filter barrel, water enters a liquid guide barrel and flows from the high position to the low position of a liquid guide inclined plane, so that the water is guided out through a second liquid guide pipe, the sludge subjected to centrifugal filtration moisture is conveyed to a first discharge port through the spiral feeding blade, and is conveyed to the drying dewatering part through the second discharge port after passing through the first discharge port;
the centrifugally dewatered sludge enters a dewatering part, a vibrator in the shell enables a vibrating plate to vibrate, so that the sludge is conveyed from a feeding end to a discharging end along the vibrating plate of a feeding mechanism, and meanwhile, hot air is blown out of a drying box, and the sludge is dried and dewatered comprehensively by matching with the vibration of the vibrating plate;
the sludge dewatering device can dewater sludge through filter pressing, centrifugal dewatering and drying, so that the sludge dewatering effect is good, and meanwhile, the sludge dewatering device is integrally arranged, small in occupied area, compact in structure and suitable for popularization.
Compared with the prior art, the invention has the following advantages:
1. the sludge can sequentially pass through three-stage dehydration structures of filter pressing dehydration, centrifugal dehydration and drying dehydration through the filter pressing dehydration part, the centrifugal dehydration part and the drying dehydration part, so that the sludge dehydration effect is improved;
2. meanwhile, the device is integrated, the occupied area is small, the sludge conveying distance is short due to the compact structure, and the sludge conveying device is suitable for popularization.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an embodiment of a harmless and environment-friendly sludge treatment system according to the invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a filter-pressing dewatering part of an embodiment of a harmless and environment-friendly sludge treatment system according to the invention;
FIG. 3 is a schematic diagram of a partial cross-sectional structure of a centrifugal dewatering part of an embodiment of a harmless treatment system for sludge according to the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of a drying and dewatering part in an embodiment of a harmless and environment-friendly sludge treatment system according to the invention;
the main element symbols are as follows:
a filter-pressing dehydration part 1, a feed hopper 11, a filter-pressing mechanism 12, a feed inclined plate 121, a filter-pressing cam 122, a first screening micropore 123, a first liquid guide pipe 124, a discharge hopper 13, a first brake case 14, a centrifugal dehydration part 2, a filter vat 21, a second screening micropore 211, a first discharge hole 212, a liquid guide inclined plane 213, a second liquid guide pipe 214, a liquid guide barrel 22, a second discharge hole 221, a second brake case 222, a centrifugal mechanism 23, a centrifugal column 231, a spiral feed blade 232, a drying dehydration part 3, a drying case 31, a feed mechanism 32, a shell 321, a vibrating plate 322, a vibrator 323, a protective plate 324, a manual ball valve 41, a first support rod 42, a second support rod 43, a first support rod 43, a second support rod 43, a,
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the harmless and environment-friendly sludge treatment system of the present invention comprises a filter-pressing dehydration part 1, a centrifugal dehydration part 2 and a drying dehydration part 3, wherein the filter-pressing dehydration part 1 comprises a feed hopper 11, a filter-pressing mechanism 12 and a discharge hopper 13, the filter-pressing mechanism 12 comprises a feed inclined plate 121 disposed on the upper part of the feed hopper 11, the feed hopper 11 is rotatably connected with a plurality of filter-pressing cams 122 matched with the feed inclined plate 121, the feed inclined plate 121 is hollow and has a plurality of first screening micropores 123 on one side facing the cams, the lower end of the feed inclined plate 121 is provided with a first liquid guide pipe 124, the feed hopper 11 is provided with a first brake cabinet 14, the first brake cabinet 14 is in transmission connection with the filter-pressing cams 122, the centrifugal dehydration part 2 comprises a filter vat 21, a liquid guide vat 22 and a centrifugal mechanism 23, the filter vat 21 is disposed inside the liquid guide vat 22, the filter, the centrifugal mechanism 23 comprises a centrifugal column 231 arranged inside the filter barrel 21, the centrifugal column 231 is provided with a spiral feeding blade 232 matched with the filter barrel 21, the lower side of the filter barrel 21 is provided with a first discharge port 212, the upper side of the first discharge port 212 is provided with a liquid guide inclined plane 213, the liquid guide barrel 22 is provided with a second discharge port 221 matched with the first discharge port 212, the first discharge port 212 is fixedly communicated with the second discharge port 221, the bottom of the liquid guide barrel 22 is provided with a second brake case 222, a transmission shaft of the second brake case 222 penetrates through the bottom of the filter barrel 21 and is fixedly connected with the centrifugal column 231, the lower part of the liquid guide inclined plane 213 is provided with a second liquid guide pipe 214, the second liquid guide pipe 214 penetrates through the liquid guide barrel 22 and extends outwards, the drying and dehydrating part 3 comprises a drying box 31 and a feeding mechanism 32, the drying box 31 is arranged on the upper side of the feeding mechanism 32, the feeding mechanism 32 comprises a shell 321 and a, a vibrator 323 is provided inside the case 321, and the vibrator 323 is fixedly connected to the vibration plate 322.
Specifically, the motor is arranged inside the first brake case 14, the motor is provided with a driving pulley, the rotating shaft of each filter pressing cam 122 extends into the inside of the first brake case 14 and is fixedly connected with a driven pulley matched with the driving pulley, and the driving pulley is in belt transmission connection with each driven pulley respectively. With the structure, after the motor rotates, the driving belt wheel is driven to rotate, and then the driven belt wheels rotate in the same direction through belt transmission, so that the filter pressing cams 122 rotate in the same direction to compress and filter out moisture from sludge. In fact, other transmission arrangements are contemplated as appropriate to enable the first brake housing 14 to rotate the respective press cams 122 in the same direction.
Specifically, the number of press cams 122 is not less than three. With the structure, the filter pressing cam 122 can filter press and dehydrate sludge for many times, so that the filter pressing and dehydrating effects are better. In fact, other numbers of press cams 122 are also contemplated as appropriate.
Specifically, the first liquid guide pipe 124 and the second liquid guide pipe 214 are both provided with manual ball valves 41. Such a configuration allows one to easily open and close the first catheter 124 and the second catheter 214. In fact, other configurations are contemplated as appropriate to allow a person to conveniently open and close the first catheter 124 and the second catheter 214.
Specifically, the upper side of the centrifugal column 231 is a conical surface. With the structure, the sludge can be conveyed to the spiral feeding blade 232 along the conical surface, and the sludge is prevented from being accumulated in the middle of the centrifugal column 231. In fact, other structures can be considered according to the situation to avoid the accumulation of sludge in the middle of the centrifugal column 231.
Specifically, the inclination angle of the liquid guide slope 213 is 2 ° to 5 °, and the inclination angle of the vibration plate 322 is 5 ° to 10 °. In fact, it is also possible to set the liquid guide swash plate 213 and the vibration plate 322 at other inclination angles as appropriate.
Specifically, the two sides of the vibrating plate 322 are provided with a protective plate 324. With this structure, when the vibration plate 322 vibrates, the sludge is prevented from being vibrated out of the vibration plate 322. Actually, other structures may be used depending on the circumstances, and the sludge can be prevented from being vibrated out of the vibration plate 322.
Specifically, a first support rod 42 is arranged between the filter pressing dehydration part 1 and the drying dehydration part 3, and a second support rod 43 is arranged at the lower side of the liquid guide barrel 22. In such a structure, the first support rod 42 is used for supporting and fixing the filter-pressing dewatering part 1, and the second support rod 43 is used for supporting and fixing the liquid guide barrel 22, so that the device is stably supported. In fact, other transmission structures can be considered according to the situation to support and fix the filter pressing dewatering part 1 and the liquid guide barrel 22, so that the device is stably supported.
A sludge treatment process of a sludge harmless environment-friendly treatment system comprises the following steps:
s100: firstly, sludge is led into a sedimentation tank, and water among gaps of sludge particles is filtered through gravity sedimentation;
s200: the water-containing sludge after gravity precipitation is pumped into a filter pressing dehydration part 1, the water content of the sludge can be preliminarily filtered out through the extrusion compression between a filter pressing cam 122 and a feeding inclined plate 121, and meanwhile, the sludge is conveyed to a centrifugal dehydration part 2 through the feeding inclined plate 121;
s300: the sludge with the preliminarily filtered water enters the centrifugal dewatering part 2 through the feeding inclined plate 121, the sludge is centrifuged through the rotation of the centrifugal column 231, so that the water of the sludge is further filtered, and meanwhile, the sludge is conveyed to the first discharge hole 212 through the spiral feeding blade 232 and conveyed to the drying dewatering part 3 through the first discharge hole 212 and the second discharge hole 221;
s400: when the sludge is conveyed to the vibrating plate 322, the vibrating plate 322 vibrates to turn over the sludge, meanwhile, the drying box 31 blows hot air to dry and dehydrate the sludge, so that the sludge is finally dried, and the dried and dehydrated sludge is led out through the vibrating plate 322;
specifically, step S100 further includes the following steps:
s101: when the sludge is guided into the sedimentation tank for gravity sedimentation, the sludge modifier is added into the sedimentation tank to convert the sludge into a soil particle structure, so that the sludge is in a soil state, and the water is more fully analyzed during the gravity sedimentation.
By adopting the technical scheme of the invention, the first screening micropores 123 and the second screening micropores 211 are the prior art, have the aperture of 0.1-5 μm, and can filter out water without filtering out sludge particles; the sludge is conveyed to the filter-pressing dehydration part 1 through the feed hopper 11, the sludge is conveyed along the feeding inclined plate 121 of the filter-pressing mechanism 12, the filter-pressing cam 122 is driven to rotate through the first brake cabinet 14, when the convex part of the filter-pressing cam 122 rotates to the position above the feeding inclined plate 121, the water in the sludge is filter-pressed through the extrusion between the convex part of the filter-pressing cam 122 and the feeding inclined plate 121, the filtered water flows into the feeding inclined plate 121 through the first screening micropores 123 and is led out through the first liquid guide pipe 124, preliminary filter-pressing dehydration is realized, meanwhile, the sludge can be pushed downwards along the feeding inclined plate 121 when the filter-pressing cam 122 rotates, and the sludge can enter the feed hopper 13 through the feeding inclined plate 121 and is conveyed to the centrifugal dehydration part;
when entering the centrifugal dewatering part 2, the sludge subjected to preliminary filter pressing falls on a centrifugal column 231 of the centrifugal mechanism 23, and the second brake case 222 rotates to drive the centrifugal column 231 to rotate, so that the sludge falling on the centrifugal column 231 is thrown onto a spiral feeding blade 232 of the centrifugal column 231, meanwhile, the centrifugal column 231 rotates to drive the spiral feeding blade 232 to rotate, so that the sludge can be conveyed to the lower side of the filter barrel 21 while being centrifuged, moisture of the sludge is centrifugally filtered out through a second screening micropore 211 of the filter barrel 21, water enters the liquid guide barrel 22 and flows from the high position to the low position of the liquid guide inclined plane 213, so that the water is guided out through a second liquid guide pipe 214, and the sludge subjected to centrifugal moisture filtering out is conveyed to a first discharge port 212 through the spiral feeding blade 232 and conveyed to the drying dewatering part 3 through a second discharge port 221 after passing through the first discharge port 212;
the sludge after centrifugal dehydration enters the dehydration part 3, the vibrator 323 in the shell 321 makes the vibration plate 322 vibrate, so that the sludge is conveyed from the feeding end to the discharging end along the vibration plate 322 of the feeding mechanism 32, and simultaneously the drying box 31 blows hot air to be matched with the vibration of the vibration plate 322 to completely dry and dehydrate the sludge again;
the sludge dewatering device can dewater sludge through filter pressing, centrifugal dewatering and drying, so that the sludge dewatering effect is good, and meanwhile, the sludge dewatering device is integrally arranged, small in occupied area, compact in structure and suitable for popularization.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a mud innoxious environmental protection processing system which characterized in that: comprises a filter-pressing dehydration part (1), a centrifugal dehydration part (2) and a drying dehydration part (3), wherein,
the filter-pressing dewatering part (1) comprises a feed hopper (11), a filter-pressing mechanism (12) and a discharge hopper (13), wherein the filter-pressing mechanism (12) comprises a feed inclined plate (121) arranged on the upper part of the feed hopper (11), the feed hopper (11) is rotatably connected with a plurality of filter-pressing cams (122) matched with the feed inclined plate (121), the feed inclined plate (121) is hollow inside and is provided with a plurality of first screening micropores (123) facing one side of the cams, the lower end of the feed inclined plate (121) is provided with a first liquid guide pipe (124), the feed hopper (11) is provided with a first brake case (14), and the first brake case (14) is in transmission connection with the filter-pressing cams (122);
the centrifugal dewatering part (2) comprises a filter vat (21), a liquid guide vat (22) and a centrifugal mechanism (23), the filter vat (21) is arranged inside the liquid guide vat (22), the filter vat (21) is provided with a plurality of second screening micropores (211), the centrifugal mechanism (23) comprises a centrifugal column (231) arranged inside the filter vat (21), the centrifugal column (231) is provided with a spiral feeding blade (232) matched with the filter vat (21), a first discharge hole (212) is arranged on the lower side of the filter vat (21), a liquid guide inclined plane (213) is arranged on the upper side of the first discharge hole (212), the liquid guide vat (22) is provided with a second discharge hole (221) matched with the first discharge hole (212), the first discharge hole (212) is fixedly communicated with the second discharge hole (221), and a second brake cabinet (222) is arranged at the bottom of the liquid guide vat (22), a transmission shaft of the second brake cabinet (222) penetrates through the bottom of the filter barrel (21) and is fixedly connected with the centrifugal column (231), a second liquid guide pipe (214) is arranged at the lower part of the liquid guide inclined plane (213), and the second liquid guide pipe (214) penetrates through the liquid guide barrel (22) and extends outwards;
drying dehydration portion (3) is including stoving case (31) and feeding mechanism (32), stoving case (31) are located feeding mechanism (32) upside, feeding mechanism (32) are including casing (321) and vibration board (322) from last to the slope down to ejection of compact one end by feeding one end, casing (321) inside is equipped with vibrator (323), vibrator (323) and vibration board (322) fixed connection.
2. The harmless and environment-friendly sludge treatment system according to claim 1, characterized in that: the filter pressing machine is characterized in that a motor is arranged inside the first brake case (14), the motor is provided with a driving pulley, each filter pressing cam (122) rotating shaft extends into the first brake case (14), the inside of the first brake case is fixedly connected with a driven pulley matched with the driving pulley, and the driving pulley is in belt transmission connection with each driven pulley respectively.
3. The harmless and environment-friendly sludge treatment system according to claim 2, characterized in that: the number of the filter pressing cams (122) is not less than three.
4. The harmless and environment-friendly sludge treatment system according to claim 1, characterized in that: the first liquid guide pipe (124) and the second liquid guide pipe (214) are both provided with a manual ball valve (41).
5. The harmless and environment-friendly sludge treatment system according to claim 1, characterized in that: the upper side of the centrifugal column (231) is a conical surface.
6. The harmless and environment-friendly sludge treatment system according to claim 1, characterized in that: the inclination angle of the liquid guide inclined plane (213) is 2-5 degrees, and the inclination angle of the vibrating plate (322) is 5-10 degrees.
7. The harmless and environment-friendly sludge treatment system according to claim 6, characterized in that: and two sides of the vibrating plate (322) are provided with protective plates (324).
8. The harmless and environment-friendly sludge treatment system according to claim 1, characterized in that: a first supporting rod (42) is arranged between the filter-pressing dehydration part (1) and the drying dehydration part (3), and a second supporting rod (43) is arranged on the lower side of the liquid guide barrel (22).
9. The sludge treatment process of the sludge harmless environment-friendly treatment system according to any one of claims 1 to 8, characterized in that: the sludge treatment process comprises the following steps:
s100: firstly, sludge is led into a sedimentation tank, and water among gaps of sludge particles is filtered through gravity sedimentation;
s200: the water-containing sludge after gravity precipitation is pumped into a filter-pressing dehydration part (1), the water of the sludge can be preliminarily filtered out through the extrusion compression between a filter-pressing cam (122) and a feeding inclined plate (121), and meanwhile, the sludge is conveyed to a centrifugal dehydration part (2) through the feeding inclined plate (121);
s300: the sludge after the water is primarily filtered enters a centrifugal dehydration part (2) through a feeding inclined plate (121), the sludge is centrifuged through the rotation of a centrifugal column (231), so that the water of the sludge is further filtered, and meanwhile, the sludge is conveyed to a first discharge hole (212) through a spiral feeding blade (232) and conveyed to a drying dehydration part (3) through the first discharge hole (212) and a second discharge hole (221);
s400: when the sludge is conveyed to the vibrating plate (322), the vibrating plate (322) vibrates to turn over the sludge, meanwhile, the drying box (31) blows hot air to dry and dehydrate the sludge, the sludge is finally dried, and the dried and dehydrated sludge is led out through the vibrating plate (322).
10. The sludge treatment process according to claim 9, characterized in that: the step S100 further includes the following steps:
s101: when the sludge is guided into the sedimentation tank for gravity sedimentation, the sludge modifier is added into the sedimentation tank to convert the sludge into a soil particle structure, so that the sludge is in a soil state, and the water is more fully analyzed during the gravity sedimentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749734.5A CN111807667A (en) | 2020-07-30 | 2020-07-30 | Harmless and environment-friendly sludge treatment system and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749734.5A CN111807667A (en) | 2020-07-30 | 2020-07-30 | Harmless and environment-friendly sludge treatment system and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619843A (en) * | 2020-12-28 | 2021-04-09 | 侯建锋 | Pretreatment crushing and screening equipment for manufacturing waterproof mortar and preparation method of waterproof mortar |
| CN115414716A (en) * | 2022-11-07 | 2022-12-02 | 菏泽天盈新能源有限公司 | Sewage treatment device |
| CN116924650A (en) * | 2023-09-13 | 2023-10-24 | 河南合力起重机械有限公司 | Sludge drying and filter pressing device |
| CN118270964A (en) * | 2024-06-04 | 2024-07-02 | 南通丰禄汇环境科技有限公司 | Sludge concentration dewatering device |
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| US20100282683A1 (en) * | 2008-01-02 | 2010-11-11 | Guangzhou Pude Environmental Protection Equipment, Ltd. | Sludge concentration and dehydration method |
| CN107640882A (en) * | 2017-11-15 | 2018-01-30 | 长沙翼希网络科技有限公司 | A kind of Combined industry sludge drying mechanism |
| CN110282847A (en) * | 2019-07-08 | 2019-09-27 | 安徽美自然环境科技有限公司 | Dehydrating drier for recycling sludge in municipal sewage plant |
| CN110845114A (en) * | 2019-12-20 | 2020-02-28 | 中原晟启新能源装备有限公司 | Continuous sludge dewatering and drying system |
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| WO2007009374A1 (en) * | 2005-07-18 | 2007-01-25 | China Aluminum International Engineering Corporation Limited | Technique for conveying and filtering red mud |
| US20100282683A1 (en) * | 2008-01-02 | 2010-11-11 | Guangzhou Pude Environmental Protection Equipment, Ltd. | Sludge concentration and dehydration method |
| CN107640882A (en) * | 2017-11-15 | 2018-01-30 | 长沙翼希网络科技有限公司 | A kind of Combined industry sludge drying mechanism |
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| CN112619843A (en) * | 2020-12-28 | 2021-04-09 | 侯建锋 | Pretreatment crushing and screening equipment for manufacturing waterproof mortar and preparation method of waterproof mortar |
| CN115414716A (en) * | 2022-11-07 | 2022-12-02 | 菏泽天盈新能源有限公司 | Sewage treatment device |
| CN116924650A (en) * | 2023-09-13 | 2023-10-24 | 河南合力起重机械有限公司 | Sludge drying and filter pressing device |
| CN116924650B (en) * | 2023-09-13 | 2023-12-05 | 河南合力起重机械有限公司 | Sludge drying and filter pressing device |
| CN118270964A (en) * | 2024-06-04 | 2024-07-02 | 南通丰禄汇环境科技有限公司 | Sludge concentration dewatering device |
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Application publication date: 20201023 |