CN209853953U - Granular solidification equipment of high moisture content mud - Google Patents
Granular solidification equipment of high moisture content mud Download PDFInfo
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- CN209853953U CN209853953U CN201920565992.0U CN201920565992U CN209853953U CN 209853953 U CN209853953 U CN 209853953U CN 201920565992 U CN201920565992 U CN 201920565992U CN 209853953 U CN209853953 U CN 209853953U
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Abstract
The utility model discloses a granular solidification equipment of high moisture content mud, impurity filter equipment, stirring enrichment facility, mud metering device, curing agent storage device, solid-state admixture storage device, liquid admixture storage device, mulling granulator, mud moisture content detection device, dust pelletizing system, depositing reservoir. The high-water-content sludge after impurity removal can be pumped. The water content of the sludge can be reduced by stirring and concentrating treatment, so that the addition amount of a curing agent and an additive is reduced, and the production cost is reduced. The sludge is dispersed, mixed, granulated and granulated together with a curing agent, a solid additive and a liquid additive in a mixing granulator to obtain fine particles, additives required by solidification and granulation are reduced, the operation cost is reduced, high-quality granulated products with different strength grades can be produced, the sludge can be used for roadbed filling, earthwork backfilling and other different occasions, the pollution of the discharge of the sludge with high water content to the environment is reduced, and the ecological environment is protected.
Description
Technical Field
The utility model relates to a granular solidification equipment of high moisture content mud relates to environmental protection equipment technical field.
Background
A large amount of sludge, muddy water and the like are generated in the excavation construction of the construction engineering. A large amount of sludge is also generated in the process of wet sand making and sand washing. The percentage of the weight of the water contained in the sludge to the total weight of the sludge is called the sludge water content. When the water content is more than 85%, the sludge is in a fluid state; when 65% -85% of the mixture is in a plastic state; below 60% it is solid. The high water content sludge is generally in a fluid state and has good fluidity, and if the sludge is discharged in a mess, the environment is seriously polluted. High moisture content sludge generally refers to a moisture content greater than 80%.
The traditional treatment mode of the sludge with high water content is mainly dehydration drying treatment, namely, slurry is sent to a treatment field and solidified through processes of precipitation, concentration, dehydration, drying and the like, and is crushed and reused as crushed materials. However, drying and curing require fuel, which is expensive to dispose of, and the resulting pulverized material has no strength and can be disposed of only as industrial waste, which is difficult to reuse.
SUMMERY OF THE UTILITY MODEL
The utility model provides a granular solidification equipment of high moisture content mud, the purpose carries out regeneration to high moisture content mud, reduces treatment cost, reduces the pollution of mud emission to the environment. Which overcomes the defects of the background technology. The utility model provides a technical scheme that its technical problem adopted is:
a high water content sludge granular solidification apparatus comprising: the impurity filtering device comprises a screening and impurity removing module; the input end of the stirring and concentrating device is in butt joint with the output end of the screening and impurity removing module; the input end of the sludge metering device is in butt joint with the output end of the stirring and concentrating device; the output end of the curing agent storage device is connected with the input end of the metering mechanism; the output end of the solid additive storage device is connected with the input end of the metering mechanism; the output end of the liquid additive storage device is connected with the input end of the metering mechanism; the mixing granulator comprises a stirring barrel, a planetary fly cutter assembly arranged in the stirring barrel and a driving mechanism used for driving the planetary fly cutter assembly to rotate and revolve around the central shaft of the stirring barrel, wherein a discharge door is arranged below the stirring barrel, and the output end of the sludge metering device, the output end of the curing agent storage device metering mechanism, the output end of the solid additive storage device metering mechanism and the output end of the liquid additive storage device metering mechanism are all connected into the stirring barrel.
Compared with the background technology, the technical scheme has the following advantages:
the sludge with high water content after impurity removal can be pumped, so that the automatic conveying problem of the sludge with high water content is solved. The water content of the sludge can be reduced by stirring and concentrating treatment, so that the addition amount of a curing agent and an additive is reduced, and the production cost is reduced. The sludge is dispersed, mixed, granulated and granulated together with the curing agent, the solid additive and the liquid additive in a mixing granulator to obtain fine particles, the additives required by solidification and granulation are reduced, the operation cost is reduced, and high-quality granulated products with different strength grades can be produced and used for different occasions such as roadbed filling, earthwork backfilling and the like. The invention regenerates and utilizes the sludge with high water content, reduces the pollution of the sludge with high water content to the environment, protects the ecological environment and has good social and economic benefits.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view showing a high water content sludge granular solidification apparatus according to the present invention.
Fig. 2 shows an enlarged schematic view at a in fig. 1.
Fig. 3 shows an enlarged schematic view at B in fig. 1.
Fig. 4 shows an enlarged schematic view at C in fig. 1.
Fig. 5 is an enlarged schematic view of fig. 1 at D.
FIG. 6 is an enlarged schematic view of the kneading granulator of FIG. 1.
FIG. 7 is a schematic top view of the kneading granulator of FIG. 6.
Detailed Description
Referring to fig. 1 to 7, an apparatus for solidifying sludge granules with high water content includes: the device comprises an impurity filtering device 10, a stirring and concentrating device 20, a sludge metering device 30, a curing agent storage device 40, a solid additive storage device 50, a liquid additive storage device 60, a mixing and granulating machine 70, a sludge water content detection device 80, a dedusting system 90 and a clarification tank 100.
The impurity filtering device 10 comprises a screening and impurity removing module 11 and an impurity conveying module 12. This impurity transport module 12 docks with the impurity discharge gate of this screening edulcoration module 11 side. Preferably, the screening and impurity removing module 11 adopts a tension sieve. After the high-water-content sludge is filtered by the screening and impurity removing module 11, impurities with the particle size larger than 5mm are removed, the impurities enter the impurity conveying module 12, and the filtered sludge is output from an output end below the screening and impurity removing module 11. The high-moisture content sludge after being screened and purified can be pumped, so that the automatic conveying problem of the high-moisture content sludge is solved.
The input end of the stirring concentration device 20 is in butt joint with the output end of the screening impurity removal module 11. The water content of the sludge can be reduced by stirring and concentrating treatment, so that the addition amount of a curing agent and an additive is reduced, and the production cost is reduced.
The input end of the sludge metering device 30 is connected with the output end of the stirring and concentrating device 20 in a butt joint mode. The sludge with high water content is conveyed between the stirring and concentrating device 20 and the sludge metering device 30 through a pump 23. The inner surface of the sludge metering device 30 is provided with a polymer anti-sticking lining plate, and the sludge metering device 30 is provided with a vibration motor so as to be beneficial to emptying sludge during discharging. Preferably, a sludge water content detecting device 80 is provided between the stirring and concentrating device 20 and the sludge metering device 30. The control system can adjust the addition of the curing agent and the additive in real time according to the data of the water content of the sludge.
The output end of the curing agent storage device 40 is connected with the input end of the curing agent metering mechanism 41. The output end of the curing agent metering mechanism 41 is provided with two switch valves 42 which are in flexible connection. During metering, the two valves 42 are simultaneously closed, so that the phenomenon of scale supporting or scale pulling on the curing agent metering mechanism 41 caused by unbalance of the air pressure and the atmospheric pressure in the mixing granulator 70 is avoided, and the metering precision is ensured. The curing agent storage device 40 is used for storing curing agents such as cement and lime.
The output end of the solid admixture storage device 50 is connected with the input end of the solid admixture metering mechanism 51. The output end of the solid admixture metering mechanism 51 is provided with two switch valves 52 which are in flexible connection. During metering, the two valves 52 are closed simultaneously, so that the phenomenon of scale supporting or scale pulling on the solid admixture metering mechanism 51 caused by unbalance of the air pressure and the atmospheric pressure in the mixing granulator 70 is avoided, and the metering precision is ensured. The solid additive storage device 50 is used for storing a polymeric flocculant or other polymeric substances.
The output end of the liquid admixture storage device 60 is connected with the input end of the liquid admixture metering mechanism 61. The liquid admixture storage device 60 is used for storing concrete admixture.
The kneading granulator 70 includes a stirring tank 71, a planetary fly cutter assembly 72 provided in the stirring tank, and a drive mechanism for driving the planetary fly cutter assembly to rotate and revolve around the central axis of the stirring tank. The driving mechanism comprises a stirring arm 73, a revolution shaft 74, a revolution motor 75, a planet shaft 76 and a rotation motor 77, wherein the revolution shaft 74 is connected with the middle position of the stirring arm 73, the revolution motor 75 drives the revolution shaft 74 to rotate in the positive direction or the reverse direction, the planet shaft 76 is connected with the end part of the stirring arm 73, and the rotation motor 77 drives the planet shaft 76 to rotate in the positive direction or the reverse direction. The planetary flyer assemblies 72 are arranged on the planetary shafts 76, each planetary flyer assembly comprises a plurality of cutters, the cutters are arranged in multiple layers in a vertical direction, and the number of each layer of cutters is multiple. The revolving motor 75 is located below the mixing tank 71, and the rotating motor 77 is located above the mixing tank 71. In operation, the planetary fly cutter assembly 72 rotates and revolves in the agitator 71, and the speed in the direction of rotation and revolution can be set arbitrarily.
The kneading granulator 70 further includes a bottom scraper 78 and a side scraper 79, the bottom scraper 78 being connected to the stirring arm 73 and disposed adjacent to the bottom surface of the stirring barrel, and the side scraper 79 being connected to the stirring arm 73 and disposed adjacent to the side surface of the stirring barrel. A discharge door is arranged below the stirring barrel 71, and the output end of the sludge metering device 30, the output end of the curing agent metering mechanism 41, the output end of the solid additive metering mechanism 51 and the output end of the liquid additive metering mechanism 61 are connected to the stirring barrel 71.
The dust removal system 90 is used for removing dust from the mixing granulator 70 and preventing dust from overflowing during the mixing granulation process. The discharge port of the dust removing system 90 is in butt joint with the stirring barrel 71, so that secondary pollution is avoided.
The overflow port of the stirring concentrator 20 is connected to the clarifier 100.
During production: and taking the sludge with high water content out of the sludge raw material tank with high water content, putting the sludge into an impurity filtering device 10 for filtering, filtering impurities larger than 5mm, and feeding the filtered sludge with high water content into a stirring and concentrating device 20 for stirring and concentrating to reduce the water content of the sludge. The sludge with high water content after stirring and concentration is pumped into the sludge metering device 30 for metering under the action of the pump 23, the sludge is put into the stirring barrel 71 after metering, the revolution shaft 74 drives the stirring arm 73 to rotate at high speed in the reverse time, the planet shaft 76 drives the planet fly cutter assembly 72 to rotate at high speed in the clockwise direction, raw materials are diffused into the mixing granulator, and the agglomeration of different components is eliminated, so that the whole material is uniformly distributed, the component distribution quality of granular matters is stable, and the caking is not easy to generate. Then, the curing agent, the solid additive and the liquid additive are put into a stirring barrel, the revolution shaft 74 drives the stirring arm 73 to rotate at a high speed in the reverse time, the planet shaft 76 drives the planet fly cutter assembly 72 to rotate at a high speed in the clockwise direction, so that the materials in the stirring barrel 71 are uniformly mixed, the materials are kneaded and the air in the materials is extruded out, and a high-density heavy material can be obtained to form a base core of the granulated material. Then, the revolution shaft 74 rotates the stirring arm 73 at a low speed in a clockwise direction, and the planetary shaft 76 rotates the planetary fly cutter assembly 72 at a high speed in a clockwise direction, so that the kneaded material of the previous step is crushed, and the kneaded material is crushed to form particles. Finally, the revolution shaft 74 drives the stirring arm 73 to rotate at a low speed in a clockwise direction, the planet shaft 76 drives the planet fly cutter assembly 72 to rotate at a low speed in a clockwise direction, and the granulation material is further rolled in a rolling manner to adjust the granularity, the surface roughness and the like of the granulation material, so that the size of the granulation material is homogenized, and the granulation material with uniform particle size is generated.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a granular solidification equipment of high moisture content mud which characterized in that: comprises that
The impurity filtering device comprises a screening and impurity removing module;
the input end of the stirring and concentrating device is in butt joint with the output end of the screening and impurity removing module;
the input end of the sludge metering device is in butt joint with the output end of the stirring and concentrating device;
the output end of the curing agent storage device is connected with the input end of the curing agent metering mechanism;
the output end of the solid additive storage device is connected with the input end of the solid additive metering mechanism;
the output end of the liquid additive storage device is connected with the input end of the liquid additive metering mechanism;
the mixing granulator comprises a stirring barrel, a planetary fly cutter assembly arranged in the stirring barrel and a driving mechanism used for driving the planetary fly cutter assembly to rotate and revolve around the central shaft of the stirring barrel, wherein a discharge door is arranged below the stirring barrel, and the output end of the sludge metering device, the output end of the curing agent metering mechanism, the output end of the solid additive metering mechanism and the output end of the liquid additive metering mechanism are all connected into the stirring barrel.
2. The apparatus for solidifying sludge granules with high water content according to claim 1, wherein: the driving mechanism comprises a stirring arm, a revolution shaft, a revolution motor, a planet shaft and an autorotation motor, wherein the revolution shaft is connected with the middle position of the stirring arm, the revolution motor drives the revolution shaft to rotate forwards or reversely, the planet shaft is connected with the end part of the stirring arm, and the autorotation motor drives the planet shaft to rotate forwards or reversely; the planet fly cutter assembly is arranged on the planet shaft.
3. The apparatus for solidifying sludge granules with high water content according to claim 2, wherein: the revolution motor is positioned below the stirring barrel, and the rotation motor is positioned above the stirring barrel; the planet fly cutter assembly comprises a plurality of cutters, the cutters are vertically arranged in multiple layers, and the number of the cutters on each layer is multiple.
4. The apparatus for solidifying sludge granules with high water content according to claim 2, wherein: the mixing granulator further comprises a bottom scraping plate and a side scraping plate, wherein the bottom scraping plate is connected to the stirring arm and arranged close to the bottom surface of the stirring barrel, and the side scraping plate is connected to the stirring arm and arranged close to the side surface of the stirring barrel.
5. The apparatus for solidifying sludge granules with high water content according to claim 1, wherein: the screening and impurity removing module adopts a tension screen; the stirring concentration device and the sludge metering device convey sludge with high water content through a pump; the inner surface of the sludge metering device is provided with a polymer anti-sticking lining plate; the sludge metering device is provided with a vibration motor.
6. The apparatus for solidifying sludge granules with high water content according to claim 1 or 5, wherein: a sludge moisture content detection device is arranged between the stirring concentration device and the sludge metering device.
7. The apparatus for solidifying sludge granules with high water content according to claim 1, wherein: the output end of the curing agent metering mechanism is provided with two switch valves which are in flexible connection; the output end of the solid admixture metering mechanism is provided with two switch valves which are in flexible connection.
8. The apparatus for solidifying sludge granules with high water content according to claim 1, wherein: the device also comprises a dust removal system for removing dust of the mixing granulator; the discharge port of the dust removal system is in butt joint with the stirring barrel.
9. The apparatus for solidifying sludge granules with high water content according to claim 1, wherein: still include the depositing reservoir, this stirring enrichment facility's overflow mouth is connected this depositing reservoir.
10. The apparatus for solidifying sludge granules with high water content according to claim 1, wherein: this impurity filtering device still includes impurity transport module, and this impurity transport module docks with the impurity discharge gate of this screening edulcoration module side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565992.0U CN209853953U (en) | 2019-04-24 | 2019-04-24 | Granular solidification equipment of high moisture content mud |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565992.0U CN209853953U (en) | 2019-04-24 | 2019-04-24 | Granular solidification equipment of high moisture content mud |
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| CN209853953U true CN209853953U (en) | 2019-12-27 |
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| CN201920565992.0U Active CN209853953U (en) | 2019-04-24 | 2019-04-24 | Granular solidification equipment of high moisture content mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970296A (en) * | 2019-04-24 | 2019-07-05 | 福建南方路面机械有限公司 | A kind of granular curing apparatus of high water content sludge and prilling process |
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2019
- 2019-04-24 CN CN201920565992.0U patent/CN209853953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970296A (en) * | 2019-04-24 | 2019-07-05 | 福建南方路面机械有限公司 | A kind of granular curing apparatus of high water content sludge and prilling process |
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Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee after: Fujian Nanfang pavement machinery Co., Ltd Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |