CN107167404B - Automatic floating and sinking experimental device with linear structure - Google Patents
Automatic floating and sinking experimental device with linear structure Download PDFInfo
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- CN107167404B CN107167404B CN201710516776.2A CN201710516776A CN107167404B CN 107167404 B CN107167404 B CN 107167404B CN 201710516776 A CN201710516776 A CN 201710516776A CN 107167404 B CN107167404 B CN 107167404B
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- 230000033001 locomotion Effects 0.000 claims abstract description 108
- 239000007788 liquid Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000013049 sediment Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 22
- 238000002474 experimental method Methods 0.000 description 18
- 238000000926 separation method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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Abstract
The invention discloses an automatic floating and sinking experimental device with a linear structure. The device comprises a plurality of density level devices which are arranged between a pretreatment tank and a gangue collecting tank from left to right in sequence and are arranged from a low density level to a high density level; each density level device comprises an external water bath heating tank consisting of the outer wall of the water bath heating tank and the inner wall of the water bath heating tank, and a heavy float liquid barrel consisting of the outer wall of a heavy float liquid barrel and the inner wall of the heavy float liquid barrel, which are arranged in the water bath heating tank, wherein a float collecting tank is respectively arranged at the front side of each water bath heating tank, a group of vertical movement hydraulic cylinders and a short-distance horizontal movement hydraulic cylinder are respectively arranged at the rear side of each float collecting tank, and a density and pressure measuring sensor is respectively arranged at the outer side of each water bath heating tank; and a long-range horizontal movement hydraulic cylinder is arranged at the outer side of the gangue collecting tank and is vertical to the movement direction of the short-range horizontal movement hydraulic cylinder. The invention can layer the materials according to the density and separate the products with corresponding density.
Description
Technical Field
The invention relates to a floating and sinking device for layering materials according to density and automatically separating products corresponding to each density, which can be widely applied to the fields of coal washing, iron ore separation, non-metal ore quality improvement and the like.
Background
The natural characteristic of rich coal, lean oil and less gas determines the main status of coal in energy production and consumption structure in China, so that China becomes the largest coal producing and consuming countries in the world. At present, a gravity separation process is one of main processes of a coal preparation plant, particularly dense medium coal preparation with a plurality of outstanding advantages plays a major role in coal preparation, and a float-sink experiment is required when designing and evaluating a gravity separation effect of the coal preparation plant, so that bases are provided for determining a coal separation method, formulating a separation process flow, selecting corresponding separation equipment and the like.
The floating-sinking test is carried out according to GB T478-2008 coal floating-sinking test method, a coal sample is divided into different density grades by heavy liquids with different densities, and the yield and the characteristics of products in each density grade are measured. In the coal floating and sinking experiment, heavy liquid prepared from zinc chloride and water is generally used as a separation environment, and the zinc chloride has the characteristics of volatility, corrosivity and the like and is harmful to operators. At present, all the floating and sinking experiments need manual operation, the work is complicated, the work efficiency is low, and the situation exceeding the allowable error of the experiments can also exist; in addition, high-density heavy liquids are difficult to formulate, even more difficult to add in cold winter seasons, and it is difficult to maintain the density of the formulated heavy liquid stable for a long period of time. Especially when the number of the processed coal samples is large or the floating and sinking coal samples are large, the labor intensity of the manual floating and sinking experiment is greatly increased. Therefore, the floating and sinking equipment for layering materials according to density and automatically separating products corresponding to the densities is developed, the floating and sinking experiment precision is improved, the labor intensity of workers is reduced, the working efficiency is improved, the floating and sinking equipment has important significance for gravity separation floating and sinking experiments, and at present, research on the aspect at home and abroad is few.
Disclosure of Invention
The invention aims to provide automatic floating and sinking equipment for layering materials according to density and separating corresponding products of each density aiming at the lack of automatic floating and sinking experimental equipment for coal floating and sinking experiments at present, and the automatic floating and sinking equipment is particularly suitable for floating and sinking experiments during mineral gravity separation and can be widely applied to the technical fields of coal washing, iron ore separation, non-metal ore separation and the like.
The object of the invention can be achieved by the following technical measures:
the linear structure automatic floating and sinking experimental device adopts a linear mechanical structure linear arrangement based on hydraulic transmission and automatic control technology, namely a plurality of density level devices which are arranged from a low density level to a high density level and are sequentially arranged between a pretreatment tank and a gangue collecting tank from left to right are adopted; each density level device comprises an external water bath heating tank consisting of an outer wall of the water bath heating tank and an inner wall of the water bath heating tank, and a heavy float bath barrel consisting of an outer wall of a heavy float bath barrel and an inner wall of the heavy float bath barrel, which are arranged in the water bath heating tank, the front side of each water bath heating tank is respectively provided with a float collecting tank, the rear side of each float collecting tank is respectively provided with a group of vertical movement hydraulic cylinders and short-distance horizontal movement hydraulic cylinders for automatically fishing floats to the float collecting tank, and the outer side of each water bath heating tank is respectively provided with a density and pressure measuring sensor for measuring and adjusting density in real time; a long-range horizontal movement hydraulic cylinder which is vertical to the movement direction of the short-range horizontal movement hydraulic cylinder and is positioned outside the gangue collecting tank and used for fishing out the sediments in the floating heavy liquid barrel until the sediments reach the sediment collecting tank is arranged; the direction of the floating objects and the sinking objects fished by the short-range horizontal motion hydraulic cylinder and the long-range horizontal motion hydraulic cylinder is vertical, the moving direction of the floating objects and the sinking objects is shaped like a L, the whole structure is simple, the automation is convenient to realize, and the lifting device is suitable for being installed and used in a rectangular common building structure laboratory.
The pretreatment tank is fixedly arranged at the leftmost position above the whole machine supporting plate above the rack through the pretreatment tank rack, and the gangue collecting tank is fixedly arranged at the rightmost position of the whole machine supporting plate; sequentially mounting a first density-level device, a second density-level device, a third density-level device, a fourth density-level device, a fifth density-level device, a sixth density-level device and a seventh density-level device from a low density level to a high density level on a complete machine supporting plate between a pretreatment tank rack and a gangue collecting tank, wherein the floatage collecting tank is respectively fixed above floatage collecting tank bases on the front sides of the density-level devices through bolt connection; the device comprises a floating object collecting tank, a vertical movement hydraulic cylinder, a short distance horizontal movement hydraulic cylinder support frame, a floating heavy liquid barrel, a support base, a short distance horizontal movement hydraulic cylinder support frame, a floating heavy liquid barrel, a floating object collecting tank and a floating heavy liquid barrel, wherein the vertical movement hydraulic cylinder is fixedly installed on the support base which is positioned on the rear side of the floating object collecting tank through the support plate.
The piston telescopic rod of the long-range horizontal movement hydraulic cylinder is automatically connected or disconnected with a floating and sinking leakage barrel for containing separated materials through a pulse magnetic chuck controlled by an electric signal; the piston telescopic rod of the short-distance horizontal movement hydraulic cylinder and the vibration stirring device or the floating object salvaging device are automatically connected or disconnected through the pulse magnetic chuck controlled by the electric signal; and a piston telescopic rod of the vertical movement hydraulic cylinder is connected with the short-distance horizontal movement hydraulic cylinder support frame and is used for adjusting the height of the short-distance horizontal movement hydraulic cylinder.
The working principle of the invention is as follows:
(1) pre-removing coal slime in a coal sample by adopting a pre-selection desliming device with a screen, feeding pretreated material particles to be floated and settled into a floating and settling barrel through a vibration device, and respectively separating light products and heavy products through heavy liquid layering; the light products are automatically fished through a floating object collecting device which is respectively connected with a short-distance horizontal motion hydraulic cylinder through movable joints, and the fishing depth can be set according to the depth of heavy liquid in the floating barrel and national standards; after waiting for light product wherein to be all salvaged, heavy product then is held up the float and sink bucket and then draws certain height by mainly doing long range horizontal motion's pneumatic cylinder, waits for a certain time, and it enters into adjacent high one deck density level heavy liquid container along linear hydraulic guide, carries out according to density layering separation, waits that light and heavy product separation is abundant after, thereby repeats … … in proper order and realizes the continuity float and sink process: the method comprises the steps of feeding desliming, layered separation in a floating barrel, fishing of light products, fishing of heavy products, layered separation in the floating barrel, fishing of light products and fishing of heavy products … …. The horizontal movement hydraulic cylinder and the vertical movement hydraulic cylinder both command the horizontal hydraulic device and the vertical hydraulic device to make corresponding telescopic actions along the hydraulic devices by the hydraulic control device so as to realize accurate horizontal and vertical movements. In the actual use process, the shapes, the sizes and the specifications of the floating and sinking barrel and the water bath heating tank are designed and manufactured according to the requirement on the experimental treatment capacity of minerals, and the mechanical structure can be added and reduced according to the requirement to increase and decrease the corresponding density series. (in this example schematic drawing, the part to be drawn according to the general requirement of the coal float-sink experiment represents the mechanical structure).
(2) The density of heavy liquid in a floating barrel is measured in real time by adopting a pressure density sensor, the heavy liquid is transmitted to a floating barrel on the upper layer adjacent to the pressure density sensor through a data acquisition circuit, the heavy liquid in a high-density floating barrel on the upper layer adjacent to a low-density floating barrel on the upper layer is enabled to flow to the low-density floating barrel on the upper layer adjacent to the pressure density sensor by means of closing or opening of an automatic switch and flowing through a pipe (made of heat-resistant and corrosion-resistant rubber materials such as polyether-ether-ketone resin and polyether-ether-ketone), when the heavy liquid in the low-density floating barrel on the upper layer adjacent to the pressure.
(3) The peripheral setting of the heavy bucket all is equipped with water bath heating device, can add the water in the hot water bath heating tank according to different demands, prevents that heavy liquid crystallization from appearing, and the heavy liquid density adjustment system of cooperation maintains the difficult problem that heavy liquid concentration is difficult to maintain in the heavy bucket of high density level basically unchangeable to solve, also be fit for simultaneously and carry out the experiment of floating and sinking winter.
(4) The stirring disturbance effect through vibration agitating unit in the separation of flotage in-process can make the light and heavy result in leaking the bucket material obtain quick abundant separation of layers, and its stirring simple structure, speed is controllable, can not produce the interference to the light and heavy result that has separated, and saves the test time, improves experimental efficiency.
(5) The leakage barrel can generate rotary motion through the structure of the clamping sleeve device, and can be started when a small floating and sinking experiment is carried out, so that the requirement of strengthening fine particles through centrifugal motion to further separate according to density in the small floating and sinking experiment in national standards can be met.
The invention has the following beneficial effects:
(1) the main body device water-bath heating device, the floating and sinking barrel and the floating and sinking collecting tank are linearly arranged by adopting a linear mechanical structure, low-density-level to high-density-level floating and sinking heavy liquid is correspondingly arranged from left to right in sequence, and the device is suitable for a rectangular building laboratory, simple in structure, easy to operate, and simple and convenient to use and maintain.
(2) Based on hydraulic drive and automatic control technique, short range horizontal motion and long range horizontal motion pneumatic cylinder are mutually supported and are moved, can be respectively with float and sink the thing of floating after accomplishing at every turn and drag for automatically to get to put and carry out processing on next step in corresponding collecting vat, and degree of automation is high, has replaced most of manual operation, has reduced manpower working strength, has improved float and sink experimental efficiency greatly, and can avoid the artificial experimental error that arouses, and the experimental precision is high, and the error is little.
(3) The automatic floating and sinking device has large treatment capacity, particularly shows the superiority when a plurality of coal samples are treated or the floating and sinking coal sample amount is large, saves manpower and material resources, not only simplifies the floating and sinking experiment, but also directly reduces the experiment cost.
(4) The main dangerous link of the floating and sinking experiment is completed by the device control part commanding the hydraulic part, thereby avoiding the damage of volatile and corrosive heavy liquid to the human body in the floating and sinking experiment process to the maximum extent and protecting the safety of experimenters.
(5) The water bath heating device is adopted, the preparation of the high-density heavy liquid and the maintenance of the density of the high-density heavy liquid can be easily realized, and the density of the high-density heavy liquid can be prepared and maintained even in cold winter or in cold regions with high latitude.
(6) The automatic floating and sinking device has the advantages that the experimental steps are standard, the cleanness and sanitation of the experimental process can be kept, the occurrence of the messy and poor phenomenon after the manual floating and sinking experiment is avoided, and the good environment of a laboratory is ensured.
(7) The device has wide application range, and can be used for floating and sinking coal, and can also be used for floating and sinking iron ores, non-metallic ores, separation and the like after heavy liquid is replaced.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a plan view of the floating fishing device of the present invention in an initial state.
Fig. 5 is a front view of the floating fishing device of the present invention in an initial state.
Fig. 6 is a plan view showing the operation of the floating object fishing device of the present invention.
Fig. 7 is a front view of the floating fishing device of the present invention in an operating state.
Fig. 8 is a top view of the leaky bucket agitator of the present invention.
Fig. 9 is a front view of the leaky bucket agitator of the invention.
Number in the figure: 1-a frame, 2-a pretreatment tank frame, 3-a pretreatment tank, 4-a water bath heating tank outer wall, 5-a water bath heating tank inner wall, 6-a heavy liquid floating barrel outer wall, 7-a heavy liquid floating barrel inner wall, 8-a vertical movement hydraulic cylinder and short distance horizontal movement hydraulic cylinder support plate, 9-a heavy liquid dynamic determination and detection tank, 10-a vertical movement hydraulic cylinder outer loop, 11-a vertical movement hydraulic cylinder inner loop, 12-a vertical movement hydraulic cylinder inner telescopic hydraulic rod, 13-a short distance horizontal movement hydraulic cylinder, 14-a short distance horizontal movement hydraulic cylinder support, 15-a vertical movement hydraulic cylinder outer telescopic hydraulic rod, 16-a density and pressure determination sensor, 17-a long distance horizontal movement hydraulic cylinder, 18-a long distance horizontal movement hydraulic cylinder support, 19-gangue (gangue) collection tank, 20-a whole machine supporting plate, 21-a seventh density level device, 22-a sixth density level device, 23-a fifth density level device, 24-a fourth density level device, 25-a third density level device, 26-a second density level device, 27-a first density level device, 28-a supporting base, 29-a short-distance horizontal movement hydraulic cylinder supporting frame, 30-a vertical movement hydraulic cylinder adjusting oil injection hole, 31-a vertical movement hydraulic cylinder, 32-a long-distance horizontal movement hydraulic cylinder supporting plate, 33-a long-distance horizontal movement hydraulic cylinder supporting frame, 34-a floater collecting tank, 35-a heavy liquid density adjusting conveying pipe, 36-a long-distance horizontal movement hydraulic cylinder telescopic hydraulic rod guide rail, 37-a floater collecting tank base, 38-a corrosion-resistant plastic spring and 39-a corrosion-resistant plastic telescopic semicircular sieve plate, 40-end cover of vibration stirring device, 41-sleeve of vibration stirring device, and 42-stirring rod of vibration stirring device.
Detailed Description
The invention will be further described with reference to the following examples (drawings):
as shown in fig. 1, 2 and 3, the linear-structure automated floating-sinking experimental apparatus of the present invention adopts a linear arrangement of a mechanical structure based on hydraulic transmission and automatic control technology, that is, adopts a plurality of density-level apparatuses arranged from low density level to high density level and sequentially arranged from left to right between a pretreatment tank 3 and a gangue collecting tank 19; each density level device comprises an external water bath heating tank consisting of a water bath heating tank outer wall 4 and a water bath heating tank inner wall 5, and a heavy floating liquid barrel consisting of a heavy floating liquid barrel outer wall 6 and a heavy floating liquid barrel inner wall 7, which are arranged in the water bath heating tank, the front side of each water bath heating tank is respectively provided with a floating object collecting tank 34, the rear side of each floating object collecting tank 34 is respectively provided with a group of vertical movement hydraulic cylinders 31 and short distance horizontal movement hydraulic cylinders 13 for automatically fishing floating objects to the floating object collecting tank, and the outer side of each water bath heating tank is respectively provided with a density and pressure measuring sensor 16 for measuring and adjusting density in real time; a long-range horizontal movement hydraulic cylinder 17 which is vertical to the movement direction of the short-range horizontal movement hydraulic cylinder 13 and is positioned outside the gangue collecting tank 19 and used for fishing the sediments in the floating heavy liquid barrel until the sediments reach the sediment collecting tank is arranged; the direction of the floating objects and the sinking objects fished by the short-range horizontal motion hydraulic cylinder and the long-range horizontal motion hydraulic cylinder is vertical, the moving direction of the floating objects and the sinking objects is shaped like a L, the whole structure is simple, the automation is convenient to realize, and the lifting device is suitable for being installed and used in a rectangular common building structure laboratory.
The pretreatment tank 3 is fixedly arranged at the leftmost end position above a whole machine supporting plate 20 positioned above a rack 1 through a pretreatment tank rack 2, and the gangue collecting tank 19 is fixedly arranged at the rightmost end position of the whole machine supporting plate 20; a first density-level device 27, a second density-level device 26, a third density-level device 25, a fourth density-level device 24, a fifth density-level device 23, a sixth density-level device 22 and a seventh density-level device 21 are sequentially arranged on a complete machine supporting plate 20 between the pretreatment tank frame 2 and the gangue collecting tank 19 from a low density level to a high density level, and the flotage collecting tank 34 is respectively fixed above a flotage collecting tank base 37 on the front side of each density-level device through bolt connection; the vertical movement hydraulic cylinder 31 is fixedly arranged on the supporting base 28 positioned at the rear side of the floating object collecting tank 34 through the supporting plate 8, the short-distance horizontal movement hydraulic cylinder 13 is fixedly connected and arranged above the vertical movement hydraulic cylinder 31 through a short-distance horizontal movement hydraulic cylinder supporting frame 29 arranged on the supporting plate 8, and the movement centers of the vertical movement hydraulic cylinder 31 and the short-distance horizontal movement hydraulic cylinder 13 are coplanar with the symmetry center of the floating heavy liquid barrel.
The piston telescopic rod of the long-range horizontal movement hydraulic cylinder 17 is automatically connected or disconnected with a floating and sinking leakage barrel for containing separated materials through a pulse magnetic chuck controlled by an electric signal; the piston telescopic rod of the short-distance horizontal movement hydraulic cylinder 13 is automatically connected or disconnected with the vibration stirring device or the floating object salvaging device through a pulse magnetic chuck controlled by an electric signal; and a piston telescopic rod of the vertical movement hydraulic cylinder 31 is connected with the short-distance horizontal movement hydraulic cylinder support frame 29 and is used for adjusting the height of the short-distance horizontal movement hydraulic cylinder 13.
More specifically, the specific structure and connection mode of the invention are as follows:
firstly, fixing a pretreatment tank frame 2 at the leftmost position above a complete machine support plate 20 above a frame 1 in a welding mode, connecting the pretreatment tank frame 2 and a pretreatment tank 3 arranged above the pretreatment tank frame into a whole in a bolt mode, and then respectively connecting a seven-density-level device 21, a six-density-level device 22, a five-density-level device 23, a four-density-level device 24, a three-density-level device 25, a two-density-level device 26 and a one-density-level device 27 into main components: the water bath heating tanks 4 and 5, the floating heavy liquid barrels 6 and 7, the heavy liquid dynamic measurement and detection tank 9 and the like are sequentially arranged above the whole machine supporting plate 20 corresponding to respective density level devices through bolt connection and are positioned at the left end of the pretreatment tank frame 2. When the device is implemented, a low-density-level to high-density-level heavy-floating liquid barrel and an external water bath heating tank are required to be sequentially installed from left to right, the heavy-floating barrel is arranged in the water bath heating tank, and the symmetrical center lines of the heavy-floating liquid barrel and the external water bath heating tank are required to be superposed; and a floating collecting tank 34 is correspondingly arranged on the inner side of each density-level water bath heating tank.
Next, the float collecting tank 34 is fixed above the float collecting tank base 35 on the inner side of each density-class device of the whole machine supporting plate 20 by bolt connection, and is used as a float collecting device of the seventh density-class device 21, the sixth density-class device 22, the fifth density-class device 23, the fourth density-class device 24, the third density-class device 25, the second density-class device 26, and the first density-class device 27, and the float collecting tank base 37 is arranged at the horizontal middle position above the whole machine supporting plate 20 and is fixed by bolts. Then the vertical movement hydraulic cylinder and the short distance horizontal movement hydraulic cylinder bracket supporting base 28 are welded at the inner side of each floating object collecting groove 34 above the whole machine supporting plate 20, then the vertical hydraulic cylinder and the short distance horizontal movement hydraulic cylinder supporting plate 8 are fixed above the vertical movement hydraulic cylinder and the short distance horizontal movement hydraulic cylinder bracket supporting base 28 through welding, then the vertical movement hydraulic cylinder and short-range horizontal movement hydraulic cylinder support frame 29 is welded above the vertical hydraulic cylinder and short-range horizontal movement hydraulic cylinder support plate 8, then the short-distance horizontal moving hydraulic cylinder 13 and the respective accessory components are fixed above the vertical hydraulic cylinder and the short-distance horizontal moving hydraulic cylinder support plate 8 in a support type connecting mode, then, the vertical movement hydraulic cylinder 31 and the respective auxiliary components are fixedly arranged above the support plate 8 above the support base 28 of the vertical movement hydraulic cylinder and the short-distance horizontal movement hydraulic cylinder bracket in a mechanical mode of adopting a flange type connection mode for connection and the like; during assembly, the movement centers of the short-distance horizontal moving hydraulic cylinder 13 and the vertical moving hydraulic cylinder 31 and the symmetry centers of the heavy float liquid barrels 6 and 7 can be coplanar.
Then, an assembly gangue (gangue) collecting tank 19 is fixedly installed at the rightmost end above the complete machine supporting plate 20 in a welding mode, namely, at the right side position of the No. seven density stage device 21; on the basis, a long-range horizontal movement hydraulic cylinder bracket 18 is fixedly connected above a whole machine supporting plate 20 and outside a gangue (gangue) collecting tank 19 through bolts, and then a long-range horizontal movement hydraulic cylinder 17 is installed above the long-range horizontal movement hydraulic cylinder bracket 18 through bolt connection and is connected with the long-range horizontal movement hydraulic cylinder bracket 18 in a support type manner; then, the long-range horizontal movement hydraulic cylinder telescopic hydraulic rod guide rail 36 is welded above the whole machine support plate 20, and during installation, the central line of the guide rail needs to be coplanar with the axisymmetric central lines of all density level devices, so that the long-range horizontal movement hydraulic cylinder can be ensured to do reciprocating telescopic movement in a state of minimum resistance.
Finally, the auxiliary components of the whole machine, such as a density and pressure measuring sensor 16, are arranged at the preset position in the middle of the outermost side of the heavy liquid dynamic measuring and detecting tank 9, so that the observation is convenient, and the heavy liquid density adjusting conveying pipe 35 is respectively communicated with the heavy liquid floating and sinking barrels 6 and 7; in addition, before use, the corrosion-resistant plastic spring 38 and the corrosion-resistant plastic telescopic semicircular sieve plate 39 are arranged in a leakage barrel of the floating object fishing device shown in the figure 4 through stainless steel wires; and debugging after all the components are installed in place.
The basic motion process of the invention is as follows: firstly, the long-range horizontal movement hydraulic cylinder 17 is connected with a floating-sinking leakage barrel through a pulse magnetic chuck, the floating-sinking leakage barrel containing the separated materials is accurately placed in a first density level device 27, and then is disconnected through the pulse magnetic chuck in a power-off mode, and the separated materials are layered and separated in the first density level device 27 according to density; secondly, under the action of a control signal, the first density level device 27 moves to a position corresponding to the piston contraction rod of the vertical movement hydraulic cylinder 31, so that the first density level device 27 is at a proper height position corresponding to the short-distance horizontal movement hydraulic cylinder 13; next, the first density-level device 27 is convenient to attract and connect with an iron block arranged on the floating object salvaging device under the action of magnetic force generated by the electrified pulse magnetic chuck by a piston telescopic rod of the short-range horizontal motion hydraulic cylinder 13 so as to salvage the floating objects; next, the first density-level device 27 performs height adjustment on the corresponding short-distance horizontal moving hydraulic cylinder 13 again in the movement process of the piston contraction rod of the corresponding vertical moving hydraulic cylinder 31, so that the first density-level device 27 is appropriate in height position of the corresponding short-distance horizontal moving hydraulic cylinder 13; then, the separated material, namely the floating object, is conveyed to a corresponding floating object collecting tank 34 in the contraction process of a piston telescopic rod of the first density device 27 corresponding to the short-distance horizontal movement hydraulic cylinder 13; the final sediment in the first density stage device 27 is sent to the next second density stage device 26 by the long-range horizontal moving hydraulic cylinder 17 through the pulse magnetic chuck, each density stage of the sediment is placed in the corresponding sediment collecting tank 34, the final sediment is sent to the gangue (gangue) collecting tank 19 through the long-range horizontal moving hydraulic cylinder 17, a complete operation is completed, and the subsequent density stages are repeated in sequence until the long-range horizontal moving hydraulic cylinder 17 sends the highest density stage of the sediment to the gangue (gangue) collecting tank 19.
The invention relates to a long-range horizontal movement hydraulic cylinder 17, which realizes automatic connection or disconnection between a piston telescopic rod and a floating and sinking leakage barrel for containing separated materials through controlling a pulse magnetic chuck by an electric signal; a piston telescopic rod of the vertical movement hydraulic cylinder 31 is connected with the short-range horizontal movement hydraulic cylinder 13 by means of welding the piston telescopic rod of the vertical movement hydraulic cylinder 31 with the short-range horizontal movement hydraulic cylinder support frame 29 or connecting a preset flange at the short-range horizontal movement hydraulic cylinder support frame 29; the piston telescopic rod of the short-distance horizontal movement hydraulic cylinder 13 and the vibration stirring device or the floating object salvaging device are also automatically connected or disconnected by controlling the pulse magnetic chuck through an electric signal.
The shapes of the pretreatment tank 3, the water bath heating tank, the heavy liquid floating barrel, the heavy liquid dynamic measurement and detection tank 9, etc. provided by the invention are only examples, and other shapes can be processed.
The invention relates to small floating and sinking centrifugal motion which is mainly realized by a special rotating structure arranged on a floating and sinking barrel base. The parts required to move in the invention require to be provided with a sensing device, acquire the motion state information of the parts, and carry out coordinated action after being processed by the control center, thereby realizing the effect of automatic sinking and floating.
The material used in the invention requires the use of corrosion-resistant metal materials such as SRIM C-276, SRIM B, high silicon stainless steel for resisting sulfuric acid corrosion (NS-80), and the like.
Claims (2)
1. The utility model provides an automatic experimental apparatus that sinks of straight line structure which characterized in that: the device adopts a plurality of density level devices which are arranged from low density level to high density level and are sequentially arranged between a pretreatment tank (3) and a gangue collecting tank (19) from left to right based on hydraulic transmission and automatic control technology; each density level device comprises an external water bath heating tank consisting of an outer wall (4) and an inner wall (5) of the water bath heating tank, and a heavy floating liquid barrel consisting of an outer wall (6) and an inner wall (7) of a heavy floating liquid barrel, which are arranged in the water bath heating tank, wherein a floating object collecting tank (34) is respectively arranged at the front side of each water bath heating tank, a group of vertical moving hydraulic cylinders (31) and short-distance horizontal moving hydraulic cylinders (13) for automatically fishing floating objects to the floating object collecting tank are respectively arranged at the rear side of each floating object collecting tank (34), and a density and pressure measuring sensor (16) for performing density real-time measurement and adjustment is respectively arranged at the outer side of each water bath heating tank; a long-range horizontal movement hydraulic cylinder (17) which is vertical to the movement direction of the short-range horizontal movement hydraulic cylinder (13) and is positioned outside the gangue collecting tank (19) and used for fishing out the sediments in the floating heavy liquid barrel until the sediments reach the sediment collecting tank is arranged; the pretreatment tank (3) is fixedly arranged at the leftmost end position above a whole machine supporting plate (20) positioned above the rack (1) through a pretreatment tank rack (2), and the gangue collecting tank (19) is fixedly arranged at the rightmost end position of the whole machine supporting plate (20); a first density level device (27), a second density level device (26), a third density level device (25), a fourth density level device (24), a fifth density level device (23), a sixth density level device (22) and a seventh density level device (21) are sequentially arranged on a complete machine supporting plate (20) between a pretreatment tank rack (2) and a gangue collecting tank (19) from a low density level to a high density level, and the flotage collecting tank (34) is respectively fixed above a flotage collecting tank base (37) on the front side of each density level device through bolt connection; the device is characterized in that the vertical moving hydraulic cylinder (31) is fixedly mounted on a supporting base (28) located on the rear side of the floating object collecting tank (34) through a vertical moving hydraulic cylinder and a short-distance horizontal moving hydraulic cylinder supporting plate (8), the short-distance horizontal moving hydraulic cylinder (13) is fixedly mounted above the vertical moving hydraulic cylinder (31) through a short-distance horizontal moving hydraulic cylinder supporting frame (29) arranged on the vertical moving hydraulic cylinder and the short-distance horizontal moving hydraulic cylinder supporting plate (8), and the moving centers of the vertical moving hydraulic cylinder (31) and the short-distance horizontal moving hydraulic cylinder (13) are coplanar with the symmetric center of the floating heavy liquid barrel.
2. The automatic floating and sinking experimental device of the linear structure of claim 1, wherein: the piston telescopic rod of the long-range horizontal movement hydraulic cylinder (17) is automatically connected or disconnected with a floating and sinking leakage barrel for containing separated materials through a pulse magnetic chuck controlled by an electric signal; the piston telescopic rod of the short-distance horizontal movement hydraulic cylinder (13) is automatically connected or disconnected with the vibration stirring device or the floating object salvaging device through a pulse magnetic chuck controlled by an electric signal; and a piston telescopic rod of the vertical movement hydraulic cylinder (31) is connected with a short-distance horizontal movement hydraulic cylinder support frame (29) and is used for adjusting the height of the short-distance horizontal movement hydraulic cylinder (13).
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| CN109772573B (en) * | 2019-02-13 | 2021-01-12 | 北京工商大学 | Grape grading device and method |
| CN110124847B (en) * | 2019-05-27 | 2021-05-04 | 李郅恺 | Solid waste screening and separating treatment system |
| CN112439540B (en) * | 2019-08-30 | 2022-08-30 | 中国石油天然气股份有限公司 | Light and heavy mineral separation device and method |
| CN110385193B (en) * | 2019-08-31 | 2023-06-16 | 贵州大学 | Automatic floating and sinking experiment device and method for coal density classification |
| CN111841867B (en) * | 2020-07-07 | 2024-07-23 | 北京沄汇智能科技有限公司 | Floating and sinking barrel and floating and sinking experimental device |
| CN112461707B (en) * | 2020-11-28 | 2023-01-17 | 江苏盐城津能电力有限公司 | Inspection formula solution for plastic cable protection pipe |
| CN113083488B (en) * | 2021-04-07 | 2022-09-09 | 西安科技大学 | Automatic float-sink test equipment of coal |
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