CN112121506A - High-efficient vacuum spiral dehydration, take off medicine equipment - Google Patents
High-efficient vacuum spiral dehydration, take off medicine equipment Download PDFInfo
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- CN112121506A CN112121506A CN202010888244.3A CN202010888244A CN112121506A CN 112121506 A CN112121506 A CN 112121506A CN 202010888244 A CN202010888244 A CN 202010888244A CN 112121506 A CN112121506 A CN 112121506A
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- 230000018044 dehydration Effects 0.000 title claims abstract description 68
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 68
- 239000003814 drug Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 238000001914 filtration Methods 0.000 claims abstract description 83
- 229940079593 drug Drugs 0.000 claims abstract description 25
- 239000000706 filtrate Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 32
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000967 suction filtration Methods 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 208000005156 Dehydration Diseases 0.000 description 46
- 230000000694 effects Effects 0.000 description 7
- 229910000975 Carbon steel Inorganic materials 0.000 description 6
- 239000010962 carbon steel Substances 0.000 description 6
- 238000005188 flotation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/605—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by level measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/20—Pressure-related systems for filters
- B01D2201/204—Systems for applying vacuum to filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a high-efficiency vacuum spiral dehydration and drug removal device, which comprises: the dewatering system comprises a spiral dewatering equipment main body, a main shaft, blades, a main shaft motor and a speed reducer; and the suction filtration system comprises a water filtering tank, a water filtering plate, a water filtering pipe, a filtrate tank, a vacuum pump, a pneumatic valve and a controller. Compared with the traditional spiral dehydration equipment, the high-efficiency vacuum spiral dehydration and drug removal equipment has the advantages that the discharge concentration is improved to 80-90% from 60-65%; the application range is wider, and the method is suitable for dehydration and removal of materials containing medicine, viscosity, fine fraction and the like; the dehydration process is simplified, the cyclic utilization rate of the liquid medicine is improved, and the wastewater treatment capacity and the production cost are reduced; the area of a traditional natural dehydration area is reduced, the inclination angle of the main body of the spiral dehydration equipment is 20-25 degrees, the arrangement is compact, the occupied area is small, the civil engineering investment is low, and meanwhile, the equipment has no vibration (can be placed on a higher floor), is low in noise, low in power consumption, simple in structure and convenient to continuously operate, maintain and manage.
Description
Technical Field
The invention relates to the field of dehydration and pesticide removal equipment for mud-containing materials, drug-containing materials and water-containing materials in the industries of ore dressing, chemical industry, building materials, light industry and the like, in particular to high-efficiency vacuum spiral dehydration and pesticide removal equipment.
Background
The spiral dewatering equipment has certain inclination angle in installation, and the medium flows to the overflow port for overflow and discharge under the action of its own gravity and is pushed by the spiral to the ore discharge port for discharge, so that the separation of material from medium is realized. The traditional spiral dewatering equipment is limited by an internal structure, so that the installation inclination angle is small, and the dewatering effect is poor.
In addition, for the material containing corrosive agents, the dewatering effect is improved in the dewatering process, and the method has practical significance. Meanwhile, the traditional spiral dewatering equipment has a poor treatment result on materials containing sticky fine impurities.
Disclosure of Invention
The invention provides high-efficiency vacuum spiral dehydration and drug removal equipment for overcoming the defects in the prior art, and realizes the high-efficiency dehydration and drug removal of materials.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a high-efficiency vacuum spiral dehydration and drug removal device, which comprises:
the dehydration system comprises a spiral dehydration equipment main body, a main shaft, blades, a main shaft motor and a speed reducer; the bottom of the spiral dewatering equipment main body is provided with a support and enables the spiral dewatering equipment main body to be inclined; the blades are arranged on the main shaft, the main shaft is arranged in the spiral dewatering equipment main body, and one end of the main shaft is in transmission connection with the main shaft motor through the speed reducer positioned outside the higher side of the spiral dewatering equipment main body;
the suction filtration system comprises a water filtering tank, a water filtering plate, a water filtering pipe, a filtrate tank, a vacuum pump, a pneumatic valve and a control system; the water filtering plate is arranged on the bottom surface of the higher part of the spiral dewatering equipment main body, and the water filtering groove hermetically connected with the water filtering plate is arranged at the position below the water filtering plate; the water filtering pipe is axially parallel to the main shaft and is arranged in the water filtering tank, the higher end of the water filtering pipe is hermetically connected with the wall surface of the water filtering tank, and the lower end of the water filtering pipe is communicated with a water outlet of the water filtering tank arranged on the lower side of the water filtering tank; the water filtering pipes and the water filtering plates are uniformly provided with water filtering holes, and the outer walls of the water filtering pipes are wrapped with water filtering cloth; the water outlet of the water filtering tank is hermetically connected with the filtrate tank through a pipeline, and the filtrate tank is connected with a vacuum pump.
Further, the inclination angle of the spiral dewatering equipment main body is 20-25 degrees.
Furthermore, a discharge hole is formed in the bottom surface of the spiral dewatering equipment main body and at a position higher than the water filtering plate; and an overflow weir plate, an overflow water outlet and a waste discharge port are arranged on the lower side of the spiral dewatering equipment main body.
Further preferably, the overflow weir plate is a double-layer polyurethane screen, and the included angle between the plane of the overflow weir plate and the horizontal plane is 60-80 degrees.
Furthermore, the blades are large-size blades, and the gap distance between the edges of the blades and the bottom of the spiral dewatering equipment main body is 1-5 cm.
Further, the blades are sequentially divided into a concentration section blade, a draining and scattering section blade and a forced dehydration section blade from low to high, wherein the concentration section blade is a short-pitch continuous spiral blade; the waterlogging caused by excessive rainfall is broken up the section blade and is welded the multiple groups of stirring connecting rods or discontinuous helical blade between the adjacent blades; the blades of the forced dewatering section are continuous spiral blades or discontinuous blades with large inclination angles respectively.
Further, the distance between the water filter pipe and the water filter plate is 3-5 cm; the aperture of the water filtering holes of the water filtering plate is larger than that of the water filtering pipes, and the water filtering plate is one or a combination of a polyurethane sieve plate, a ceramic sieve plate/net and a punching steel plate/wire. .
Further, the top of the filtrate tank is provided with an air inlet, and the bottom of the filtrate tank is provided with a water outlet.
Further preferably, a pneumatic valve is arranged at the air inlet; and a flap valve is arranged at the water outlet.
Further, a liquid level detector is installed inside the filtrate tank, and the liquid level detector, the pneumatic valve and the vacuum pump are electrically connected with the controller respectively.
Further, the spiral dewatering equipment main body is made of carbon steel, 304 stainless steel, carbon steel plastic-coated or carbon steel lining PE.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the efficient vacuum spiral dehydration and drug removal equipment provided by the invention lifts materials out of the water surface to form a first stage of dehydration; after the materials enter the draining and scattering area, the materials are driven to move upwards and forwards along with the rotation of the blades, the materials fall off when lifted to a high position to form a loose material layer, and the water (including liquid medicine) is accelerated to seep downwards from the gaps of the materials to form second-stage dehydration; along with the rotation of main shaft and blade, promote the material and get into the regional back of water strainer, vacuum filtration system starts, and the material normal water passes through water strainer, water strainer and gets into the filtrate jar, and after liquid level detector contacted the liquid level, with signal transmission for the controller, the stop work of controller control vacuum pump, the pneumatic valve is opened, and water is discharged from the outlet, forms the third stage dehydration, compares its dehydration rate of traditional spiral dewatering equipment and promotes 80 ~ 90% by 60 ~ 65%.
The efficient vacuum spiral dehydration and drug removal equipment has wider application range, can be used for drug-containing materials, simplifies the dehydration process, improves the cyclic utilization rate of the drug-containing liquid, and reduces the wastewater treatment capacity and the production cost; meanwhile, the dewatering effect on materials containing fine sticky impurities is good.
The efficient vacuum spiral dehydration and drug removal equipment reduces the traditional natural dehydration area, ensures that the inclination angle of the main body of the spiral dehydration equipment is 20-25 degrees, has compact design, small floor area and low civil engineering investment, and has the advantages of no vibration, low noise, low power consumption, simple structure, convenient operation, maintenance and continuous operation and convenient management.
Drawings
FIG. 1 is a schematic view of the high efficiency vacuum screw dewatering and drug removing apparatus of the present invention;
wherein the reference numerals are:
a screw dewatering device main body 1; a main shaft 2; a blade 3; a spindle motor 4; a speed reducer 5; an overflow weir plate 6; an overflow water outlet 7; a waste discharge port 8; a discharge opening 9; a water filtration tank 10; a water filter plate 11; a strainer 12; a water outlet 13 of the water filtering tank; a filtrate tank 14; an air inlet 15; the air-operated valve 16; a flap valve 17; a drain port 18; a vacuum pump 19; an air outlet 20; a liquid level detector 21; a controller 22.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in figure 1, the invention provides a high-efficiency vacuum spiral dehydration and drug removal device, which comprises:
the dehydration system comprises a spiral dehydration device main body 1, a main shaft 2, blades 3, a main shaft motor 4 and a speed reducer 5; the bottom of the spiral dewatering equipment main body 1 is provided with a bracket (not shown in the figure) and the spiral dewatering equipment main body 1 is inclined; the blades 3 are arranged on the main shaft 2, the main shaft 2 is arranged in the spiral dewatering equipment main body 1, and one end of the main shaft is in transmission connection with the main shaft motor 4 through a speed reducer 5 positioned outside the higher side of the spiral dewatering equipment main body 1;
and a suction filtration system, the suction filtration system comprises a water filtering tank 10, a water filtering plate 11, a water filtering pipe 12 and a filtrate tank 14; the water filtering plate 11 is arranged on the bottom surface of the higher part of the spiral dewatering equipment body 1, and a water filtering groove 10 which is hermetically connected with the water filtering plate 11 is arranged at the position corresponding to the lower part of the water filtering plate 11; the water filtering pipe 12 is axially parallel to the main shaft 2 and is arranged in the water filtering tank 10, the higher end of the water filtering pipe is hermetically connected with the wall surface of the water filtering tank 10, and the lower end of the water filtering pipe is communicated with a water outlet 13 of the water filtering tank arranged on the lower side of the water filtering tank 10; water filtering holes are uniformly formed in the water filtering pipe 12 and the water filtering plate 11, and water filtering cloth is wrapped on the outer wall of the water filtering pipe 12 to form a water filtering layer; the water outlet 13 of the water filtering tank is hermetically connected with a filtrate tank 14 through a pipeline, and the filtrate tank 14 is connected with a vacuum pump 19.
In the invention, a discharge opening 9 is arranged on the bottom surface of the spiral dewatering equipment body 1 and higher than the water filtering plate 11. The top surface of the spiral dewatering equipment main body 1 is provided with a feeding port near the lower side. An overflow weir plate 6, an overflow water outlet 7 and a waste discharge port 8 are arranged at the lower side of the spiral dewatering equipment main body 1; the overflow water outlet 7 is arranged at the upper part of the lower side surface of the spiral dewatering equipment main body 1, and the waste discharge port 8 is arranged at the position close to the bottom end of the lower side surface of the spiral dewatering equipment main body 1; the fixing plate is arranged in the spiral dewatering equipment main body 1 close to the lower side and perpendicular to the bottom surface of the lower side, the fixing plate is used for being connected with the bottom-crossing end of the main shaft 2, and the top end of the fixing plate is used for detachably fixing the overflow weir plate 6.
The overflow weir plate 6 is a double-layer polyurethane screen, and the included angle between the plane where the overflow weir plate is located and the horizontal plane is 60-80 degrees; the function is as follows: when the material is fed with a certain concentration, the water enters the overflow water outlet 7 through the screen and is discharged, and the material is intercepted by the screen and descends to the bottom of the spiral dewatering equipment main body 1 under the action of gravity. Simultaneously, the double-deck polyurethane screen cloth is convenient to be changed and is overhauld, extracts one side screen cloth earlier and changes when overhauing, extracts the opposite side screen cloth after waiting to install and changes.
In the invention, the blades 3 are sequentially divided into a concentration section blade, a draining and scattering section blade and a forced dehydration section blade from low to high, wherein the concentration section is a short-pitch continuous spiral blade; the draining scattering section blades are formed by welding a plurality of groups of stirring connecting rods or discontinuous helical blades (such as a large-dip-angle helical type, a rake type, a paddle type and the like) between adjacent blades; the blades of the forced dewatering section are continuous spiral blades or discontinuous blades with large inclination angles respectively.
In the invention, the top of the filtrate tank 14 is provided with an air inlet 15, and the bottom is provided with a water outlet 18; an air-operated valve 16 is arranged at the air inlet 15, and a flap valve 17 is arranged at the water outlet 18.
A liquid level detector 21 is arranged in the filtrate tank 14, and the liquid level detector 21, the pneumatic valve 16 and the vacuum pump 19 are respectively and electrically connected with a controller 22; when the liquid level detector 21 contacts the liquid level, a signal is transmitted to the controller 22, and the controller 22 controls the vacuum pump 19 to stop working, and controls the pneumatic valve 16 to open, so that water is discharged from the water outlet 18.
In a preferred embodiment of the present invention, the inclination angle of the screw dewatering device body 1 is 20 ° to 25 °; the equipment of the invention reduces the traditional natural dehydration area, and leads the inclination angle of the main body of the spiral dehydration equipment to be 20 DEG
The angle of 25 degrees has the advantages of compact design, small floor area and low civil engineering investment.
In a preferred embodiment of the invention, the blade 3 is a large-size blade, the gap distance between the edge of the blade and the bottom of the spiral dewatering equipment main body 1 is 1 cm-5 cm, the spiral lifting amount is increased, and the processing capacity is improved.
In a preferred embodiment of the present invention, the distance between the filter pipe 12 and the filter plate 11 is 3cm to 5 cm; the pore diameter of the water filtering holes of the water filtering plate 11 is larger than that of the water filtering pipes 12.
In a preferred embodiment of the invention, the spiral dewatering equipment main body 1 is made of carbon steel, 304 stainless steel, carbon steel coated plastic or carbon steel lining PE, and is corrosion-resistant; the high-efficiency vacuum spiral dehydration and drug removal equipment has wider application range, can be used for drug-containing materials, simplifies the dehydration process, improves the cyclic utilization rate of the drug-containing liquid, and reduces the wastewater treatment capacity and the production cost.
The working principle of the high-efficiency vacuum spiral dehydration and drug removal equipment is as follows:
the dehydration process of the equipment provided by the invention comprises a concentration stage, a draining and scattering stage and a forced dehydration stage. And (3) a concentration stage: throw into the screw dehydration equipment main part 1 with the material by the feed inlet in, spindle motor 4 drive blade 3 rotates, and blade 3 mixs the material and water mixes, washs the material, and concentrated section blade promotes the material simultaneously and removes the surface of water of release to screw dehydration equipment main part 1 upper end, realizes preliminary concentration. And (3) draining and scattering stage: a plurality of groups of helical blades of the stirring connecting rod are welded between adjacent blades, the stirring connecting rod pushes the material to move upwards in the rotating process of the blades, and when the material is pushed to the highest point, the material falls under the action of self gravity, so that the scattering effect is realized; or rake-shaped blades are adopted, discontinuous rake-shaped blades are arranged on the main shaft, and when the main shaft 2 rotates, the blades are driven to rotate, so that the materials are stirred and loosened, and the effect of accelerating the water leaching is realized. Forced dehydration stage: the vacuum filtration system is started after the materials are driven to enter the area where the water filtering plate 11 is located along with the rotation of the spindle 2, at the moment, moisture in minerals enters the filtrate tank 11 through the water filtering plate 11 and the water filtering pipe 12, when the liquid level detector 21 contacts the liquid level, a signal is transmitted to the controller 22, the controller 22 controls the vacuum pump 19 to stop working and controls the pneumatic valve 16 to be started, and water is discharged from the water outlet 18 to form forced dehydration; after the water is drained, the controller 22 controls the pneumatic valve 16 to be closed and controls the vacuum pump 19 to start operating again. Compared with the traditional spiral dewatering equipment, the dewatering rate of the spiral dewatering equipment is improved from 60-65% to 80-90%.
Application example 1
The high-efficiency vacuum spiral dehydration and chemical removal equipment is used for dehydration operation of marine-phase deposited quartz sand from a certain place in Hainan, when the concentration of fed materials is 40%, the concentration of discharged materials can be increased to 85%, and the dehydration rate is up to 88.24%. Compared with the traditional spiral dehydration equipment, the discharge concentration is about 60 percent, the dehydration rate is 55.56 percent, and the dehydration rate of the invention is improved by 32.68 percent.
Because the discharge concentration of the vacuum spiral dehydration equipment is high, the water content is low, the area of a traditional natural dehydration area can be reduced, and the civil engineering investment is low.
Application example 2
Aiming at quartz sand in the places of Guangdong, flotation concentrate is fed into the efficient vacuum spiral dehydration and chemical removal equipment after flotation operation, the feed concentration is 40%, the discharge concentration is 80%, and the dehydration rate is 83.33%.
The water saving effect is calculated as follows: taking 1t of ore pulp with the concentration of 40% as an example, after dehydration is carried out by high-efficiency vacuum spiral dehydration equipment, 500kg of liquid medicine is removed, and the liquid medicine-containing water is directly returned to a flotation operation pulp mixing barrel in production so as to reduce the amount of fresh water added; meanwhile, the circulating water containing the medicine can reduce the adding amount of the medicine at the later stage (the specific saving amount can be calculated according to the stable circulating production).
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a high-efficient vacuum spiral dehydration, takes off medicine equipment which characterized in that includes:
the dehydration system comprises a spiral dehydration device main body (1), a main shaft (2), blades (3), a main shaft motor (4) and a speed reducer (5); the bottom of the spiral dewatering equipment main body (1) is provided with a support, and the spiral dewatering equipment main body (1) is inclined; the blades (3) are arranged on the main shaft (2), the main shaft (2) is arranged in the spiral dewatering equipment main body (1), and one end of the main shaft is in transmission connection with the main shaft motor (4) through the speed reducer (5) positioned outside the higher side of the spiral dewatering equipment main body (1);
the filter system comprises a water filtering tank (10), a water filtering plate (11), a water filtering pipe (12) and a filtrate tank (14); the water filtering plate (11) is arranged on the bottom surface of the higher part of the spiral dewatering equipment main body (1), and the water filtering groove (10) which is connected with the water filtering plate (11) in a sealing way is arranged at the position below the water filtering plate (11); the water filtering pipe (12) is axially parallel to the main shaft (2) and is arranged in the water filtering groove (10), the higher end of the water filtering pipe is hermetically connected with the wall surface of the water filtering groove (10), and the lower end of the water filtering pipe is communicated with a water outlet (13) of the water filtering groove formed in the lower side of the water filtering groove (10); the water filtering pipes (12) and the water filtering plates (11) are uniformly provided with water filtering holes, and the outer walls of the water filtering pipes (12) are wrapped with water filtering cloth; the water outlet (13) of the water filtering groove is hermetically connected with the filtrate tank (14) through a pipeline, and the filtrate tank (14) is connected with a vacuum pump (19).
2. The high-efficiency vacuum spiral dehydration and drug removal device of claim 1, wherein the inclination angle of the spiral dehydration device main body (1) is 20-25 °.
3. The high-efficiency vacuum spiral dehydration and drug removal device of claim 1, wherein a discharge port (9) is arranged on the bottom surface of the spiral dehydration device body (1) and higher than the water filtering plate (11); the lower side of the spiral dewatering equipment main body (1) is provided with an overflow weir plate (6), an overflow water outlet (7) and a waste discharge port (8).
4. The high-efficiency vacuum spiral dewatering and drug removing equipment according to claim 3, wherein the overflow weir plate (6) is a double-layer polyurethane screen, and the included angle between the plane where the overflow weir plate is located and the horizontal plane is 60-80 degrees.
5. The high-efficiency vacuum spiral dehydration and drug removal device according to claim 1, characterized in that the blade (3) is a large-sized blade, and the gap distance between the edge of the blade and the bottom of the spiral dehydration device body (1) is 1 cm-5 cm.
6. The efficient vacuum spiral dehydration and drug removal equipment according to claim 1, wherein the blades (3) are divided into a concentration section blade, a draining and scattering section blade and a forced dehydration section blade from low to high in sequence, wherein the concentration section blade is a short-pitch continuous spiral blade; the draining scattering section blades are helical blades or discontinuous helical blades of a plurality of groups of stirring connecting rods welded between adjacent blades; the blades of the forced dewatering section are continuous spiral blades or discontinuous blades with large inclination angles respectively.
7. The high-efficiency vacuum spiral dehydration and drug removal device of claim 1, wherein the distance between the strainer (12) and the strainer plate (11) is 3 cm-5 cm; the aperture of the water filtering holes of the water filtering plate (11) is larger than that of the water filtering pipes (12), and the water filtering plate (11) is made of one or a combination of a polyurethane sieve plate, a ceramic sieve plate/net and a punched steel plate/wire.
8. The high-efficiency vacuum spiral dewatering and drug-removing device according to claim 1, characterized in that the filtrate tank (14) is provided with an air inlet (15) at the top and a water outlet (18) at the bottom.
9. The high-efficiency vacuum spiral dehydration and drug removal device of claim 8 characterized in that a pneumatic valve (16) is provided at said air inlet (15); and a flap valve (17) is arranged at the water outlet (18).
10. The high-efficiency vacuum spiral dehydration and drug removal device according to claim 1, wherein a liquid level detector (21) is installed inside the filtrate tank (14), and the liquid level detector (21), the pneumatic valve (16) and the vacuum pump (19) are respectively and electrically connected with a controller (22).
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| CN202010888244.3A CN112121506A (en) | 2020-08-28 | 2020-08-28 | High-efficient vacuum spiral dehydration, take off medicine equipment |
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| CN202010888244.3A CN112121506A (en) | 2020-08-28 | 2020-08-28 | High-efficient vacuum spiral dehydration, take off medicine equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813695A (en) * | 2021-09-14 | 2021-12-21 | 泰安金冠宏食品科技有限公司 | Fine filtering device for animal fat production |
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Application publication date: 20201225 |