High-pressure spraying elutriation test device by utilizing top-hitting type sieve shaker

Abstract

The invention discloses a high-pressure spraying elutriation test device using a top-hitting type sieve shaker, and belongs to the technical field of sieve shakers. Comprising a vibrating screen module and an elutriation module, the vibrating screen module comprises a vibrating tray, a vibrating motor is arranged at the bottom of the vibrating tray, a screen placement platform is arranged at the top of the vibrating tray, and a combined screen composed of a plurality of sets of screens is arranged at the top of the screen placement platform; a high-pressure spraying pipeline is arranged at the top end of the elutriation container; a drainage pipeline is arranged at the bottom end. According to the invention, the elutriation function is added, the function of integrating vibration, screening and elutriation is realized, the elutriation efficiency of laboratory aggregate is improved, indexes such as water consumption and energy consumption of an elutriation test are quantified conveniently, and reliable support is provided for mining production design and economic evaluation.

Description

Technical Field

[0001] The invention relates to a high-pressure spray washing test device utilizing a top-impact type vibrating screen machine, and belongs to the technical field of top-impact type vibrating screen machines. Background Art

[0002] The construction material laboratory needs to widely use the top-impact vibrating screen machine when screening and analyzing the construction sand and gravel aggregate. The equipment has a compact structure, is stable and reliable, and the shaking and top-impacting times of the screen can be effectively guaranteed. The screening time can be controlled by a digital time relay. When vibrating the screen, pour the material onto the set of sieves assembled from top to bottom according to the aperture size, cover the sieve cover and place it in the vibrating screen holder, turn the bakelite handle to fix the set of sieves, set the vibrating time, turn on the power switch, and start vibrating the screen; when the set time is reached, the vibrating screen machine automatically stops working. Turn the bakelite handle to loosen the set of sieves, remove the set of sieves, and weigh the mass of the remaining materials on each sieve with a balance in turn for analysis.

[0003] The sand in the fully weathered rock material can be used as a building material after a certain process treatment. However, before development and utilization, it is necessary to conduct a washing test to determine the washing rate, sand production rate, and post-washing index testing in order to study and determine the subsequent mining and processing methods and evaluate the economic benefits.

[0004] The mud content in the highly weathered rock materials is relatively high. Currently, the washing tests mostly use traditional manual washing, and a standardized washing method has not yet been formed. The cleaning efficiency is low and the difficulty of washing cannot be quantified. The laboratory lacks special mechanical washing equipment. Therefore, it is urgent to develop a practical, convenient and fast test equipment with washing function to form a standard washing test method to provide effective support for the preparation of water-washed sand from highly weathered rock. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a high-pressure spray washing test device using a top-impact vibrating screen machine, which solves the problem that washing tests in the prior art mostly use traditional manual washing, have not yet formed a standardized washing method, have low cleaning efficiency and cannot quantify the difficulty of washing.

[0006] The technical problem to be solved by the present invention is achieved by adopting the following technical scheme: a high-pressure spray washing test device using a top-impact vibrating screen machine, comprising a vibrating screen module, a washing module and a water supply and drainage module, the vibrating screen module comprising a vibrating tray, a vibrating motor is arranged at the bottom of the vibrating tray, a screen placement platform is arranged at the top, a combined screen composed of several sets of screens is arranged on the top of the screen placement platform, the washing module comprises a washing container sleeved on the outside of the combined screen, a high-pressure spray pipe and a water inlet valve are arranged at the top of the washing container, and a drainage pipe is arranged at the bottom, the water supply and drainage module comprises a water pump system, one side of the water pump system is connected to a water storage container through a water pump inlet pipe, and the other side is connected to the high-pressure spray pipe through a water pump outlet pipe.

[0007] By adopting the above technical solution, the existing top-impact vibrating screen equipment is used in the laboratory to increase the washing function, realizing the functions of vibration, screening and washing in one; improving the washing efficiency of laboratory aggregates, facilitating the quantification of water consumption, energy consumption and other indicators in the washing test; and providing reliable support for mining production design and economic evaluation.

[0008] The present invention is further configured as follows: the vibrating screen module also includes a waterproof machine base covered on the outside of the vibrating motor, and a time relay and a switch are arranged in the waterproof machine base.

[0009] By adopting the above technical solution, the waterproof machine base can isolate the moisture that may splash out during the material washing process of the washing module, and can protect the internal time relay, vibration motor, and switch components.

[0010] The present invention is further configured as follows: the combined screen and the washing container are connected to the vibrating tray through a fixed structure, the fixed structure includes a plurality of connecting rods arranged on the top of the vibrating tray, a pressure cover 1 is slidably arranged on the connecting rods, and a pressure cover 2 is fixedly arranged on the connecting rods, the pressure cover 1 is arranged on the top of the combined screen and the washing container, the pressure cover 2 is located above the pressure cover 1 and a clamping structure for clamping the pressure cover 1 is provided at the center.

[0011] By adopting the above technical solution, the pressing cover 1 is pressed downward by the pressing structure, so that the pressing cover 1 can tightly connect the combined screen and the washing container to the vibration tray and vibrate together with the vibration tray.

[0012] The present invention is further configured as follows: a sealing ring is provided at a bottom of the gland.

[0013] By adopting the above technical solution, splashing of liquid in the washing container can be further prevented.

[0014] The present invention is further configured as follows: the clamping structure comprises a screw rod, and a tightening handle is threadedly connected to the bottom of the screw rod.

[0015] By adopting the above technical solution, the fixing handle is rotated to slide down along the screw rod and finally press against the top of the pressure cover, so that the pressure cover can press the washing container and the combined screen more tightly.

[0016] The present invention is further configured as follows: a drainage valve is provided on the drainage pipe.

[0017] By adopting the above technical solution, the amount of water in the washing container can be effectively controlled.

[0018] The present invention is further configured as follows: a transparent scale bar for observing the maximum water level control line is integrally provided on the washing container.

[0019] By adopting the above technical solution, the volume and water level of the water in the washing container can be observed to ensure that the water volume in the washing container is always controlled below the maximum water level control line to prevent liquid from splashing.

[0020] The present invention is further configured as follows: the water supply and drainage module also includes a muddy water collection container, and the drainage pipe is connected to the muddy water collection container through a drainage hose.

[0021] By adopting the above technical solution, the muddy water of the washed aggregate will be collected in the muddy water collection container, and after the muddy water is precipitated, the upper clear water can be used for reuse.

[0022] The beneficial effects of the present invention are as follows: the existing top-impact vibrating screen equipment is utilized in the laboratory to increase the washing function, thereby realizing the functions of vibration, screening and washing in one; the washing efficiency of laboratory aggregates is improved, and it is convenient to quantify indicators such as water consumption and energy consumption in the washing test; and reliable support is provided for mining production design and economic evaluation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a front view of the washing module and the fixing structure in the present invention;

[0025] Figure 3 A top view of the washing module and the fixing structure in the present invention;

[0026] Figure 4 It is a top view of the water supply and drainage module in the present invention.

[0027] In the figure: 1. Vibrating screen module; 10. Waterproof base; 11. Time relay; 12. Vibrating motor; 13. Switch; 14. Vibrating tray; 15. Fixed structure; 151. Connecting rod; 152. Pressure cover 1; 153. Screw; 154. Pressure cover 2; 155. Tightening handle; 16. Combined screen; 2. Washing module; 20. Washing container; 21. Screen placement platform; 22. Maximum water level control line; 23. Transparent scale bar; 24. High-pressure spray pipe; 25. Water inlet valve; 26. Drain pipe; 27. Drain valve; 3. Water supply and drainage module; 30. Water pump system; 301. Pump body; 302. Time controller; 303. Flow controller; 304. Open and close button; 31. Water pump inlet pipe; 32. Water pump outlet pipe; 33. Water pump placement container; 34. Water storage container; 35. Drain hose; 36. Mud and water collection container. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0029] like Figures 1 to 4 As shown, a high-pressure spray washing test device using a top-impact vibrating screen machine includes a vibrating screen module 1 and a washing module 2. The vibrating screen module 1 includes a vibrating tray 14, a vibrating motor 12 is provided at the bottom of the vibrating tray 14, a screen placement platform 21 is provided on the top, and a combined screen 16 composed of a plurality of sets of screens is provided on the top of the screen placement platform 21. The washing module 2 includes a washing container 20 sleeved on the outside of the combined screen 16, a high-pressure spray pipe 24 and a water inlet valve 25 are provided at the top of the washing container 20, and a drainage pipe 26 is provided at the bottom, and a drainage valve 27 is provided on the drainage pipe 26.

[0030] The material to be vibrated and washed is placed on the combined screen 16 in the washing container 20 for vibrating and washing. Gradual washing is achieved through screens with different apertures. The friction between the sand and gravel is increased by vibration, which facilitates the separation of the soil wrapped on the sand and gravel, and has a better washing effect on the sand and gravel.

[0031] Specifically, when screening construction sand and gravel aggregates, the aggregates are placed on the top of the combined screen 16, and then water is injected into the washing container 20 through the high-pressure spray pipe 24 and the drain valve 27 is tightened to prevent water leakage in the drain pipe 26. Then, the vibration motor 12 is turned on and the combined screen 16 composed of multiple layers of screens is used to perform multi-layer screening and graded washing of the aggregates. At the same time, the water injected into the washing container 20 can also clean the aggregates. Finally, the drain valve 27 is opened and the water is drained. After repeating this process many times, the clean aggregates are taken out.

[0032] The present invention can achieve simultaneous vibrating and screening while washing, and the washing effect can be determined by the clarity of water discharged through the drainage pipe 26. The washing effects achieved by different water consumption and washing times can also be statistically analyzed, thereby realizing the function of integrating vibration, screening and washing in one application, improving the washing efficiency of laboratory aggregates, facilitating the quantification of indicators such as water consumption and energy consumption in washing tests, and providing reliable support for mining production design and economic evaluation.

[0033] like Figure 1 and Figure 4 As shown, a high-pressure spray washing test device using a top-impact vibrating screen machine of the present application also includes a water supply and drainage module 3, which includes a water pump system 30, and the water pump system 30 includes a pump body 301. The pump body 301 is provided with a time controller 302, a flow controller 303 and an opening and closing button 304 for controlling the running time and power of the water pump. One side of the pump body 301 is connected to a water storage container 34 through a water pump inlet pipe 31, and the other side is connected to a high-pressure spray pipe 24 through a water pump outlet pipe 32. When the water pump system 30 is used to supply water to the washing module 2, the running time and power of the pump body 301 are controlled by the time controller 302 and the flow controller 303, and then the opening and closing button 304 is turned on, and water is pumped from the water storage container 34 through the pump body 301, and the pressurized water pressurized by the pump body 301 is sprayed into the inside of the set container through the water pump outlet pipe 32 through the high-pressure spray pipe 24, so as to realize the water filling operation of the washing module 2.

[0034] like Figure 1 As shown, the water supply and drainage module 3 further includes a muddy water collection container 36, and the drainage pipe 26 is connected to the muddy water collection container 36 through a drainage hose 35. In addition, the water supply and drainage module 3 further includes a water pump placement container 33, and the muddy water collection container 36 and the water storage container 34 are both arranged in the water pump placement container 33, and the pump body 301 is arranged on the top of the water pump placement container 33. By setting the muddy water collection container 36, the muddy water of the washed aggregate will be collected in the muddy water collection container 36, and after the muddy water is precipitated, the upper clear water can be used for reuse, which is more energy-saving and environmentally friendly.

[0035] like Figure 1 and Figure 2 As shown, the vibrating screen module 1 also includes a waterproof base 10 covered on the outside of the vibration motor 12, and a time relay 11 and a switch 13 for controlling the vibration time and opening and closing of the vibration motor 12 are arranged in the waterproof base 10. The waterproof base 10 can isolate the water that may splash out during the material washing process of the washing module 2, and can protect the internal time relay 11, the vibration motor 12, the switch 13 and other components.

[0036] like Figures 1 to 3As shown, the combined screen 16 and the washing container 20 are connected to the vibration tray 14 through a fixed structure 15. The fixed structure 15 includes a plurality of connecting rods 151 arranged on the top of the vibration tray 14. A pressure cover 152 is slidably provided on the connecting rods 151 and a pressure cover 2 154 is fixedly provided. The pressure cover 152 is provided on the top of the combined screen 16 and the washing container 20. The pressure cover 2 154 is located above the pressure cover 152 and a clamping structure for clamping the pressure cover 152 is provided at the center. Specifically, the clamping structure includes a screw 153, and a tightening handle 155 is threadedly connected to the bottom of the screw 153. It should be noted that in order to facilitate the sliding of the pressure cover 152, a hole is penetrated at the center of the pressure cover 152, and the diameter of the hole is smaller than the outer diameter of the tightening handle 155, so that when the pressure cover 152 slides, the screw 153 can pass through the hole.

[0037] After the aggregate is poured in, the locking handle 155 is rotated to slide down along the screw rod 153 and finally pressed against the top of the pressure cover 152, so that the pressure cover 152 can tightly connect the combined screen 16 and the washing container 20 to the vibration tray 14 and vibrate together with the vibration tray 14.

[0038] In addition, a sealing ring (not shown in the figure) is also provided at the bottom of the pressure cover 152 to further prevent the liquid in the washing container 20 from splashing out.

[0039] like Figure 1 and Figure 2 As shown, a transparent scale bar 23 for observing the maximum water level control line 22 is integrally provided on the washing container 20. By observing the transparent scale bar 23, the volume of water and the water level in the washing container 20 can be observed, ensuring that the water volume in the washing container 20 is always controlled below the maximum water level control line 22 to prevent liquid from splashing out.

[0040] The workflow of this application is:

[0041] Step 1: In the actual operation process, the test personnel need to place the washing module 2 on the vibration tray 14, and comprehensively determine the number of layers of the combined screen 16 according to the height of the washing container 20, and the combined screen 16 must contain at least a 4.75 mm aperture screen and a 0.075 mm aperture screen, wherein the 0.075 mm aperture screen in the combined screen 16 needs to be placed on the screen placement platform 21;

[0042] Step 2: Pour the sampled, dried and weighed material onto the top screen of the combined screen 16 and the screen placement platform 21, cover the gland tightly, and tighten the fixing handle;

[0043] Step 3: Before filling water, tighten the drain valve 27, open the water inlet valve 25 and the start / stop button 304 of the water pump, take water from the water storage container 34 through the water pump inlet pipe 31, and inject the pressurized water into the washing container 20 through the high-pressure spray pipe 24 through the water pump outlet pipe 32. The water level in the washing container 20 can be controlled to be below the maximum water level control line 22 by the flow controller 303 of the pump body 301 and the transparent scale line on the washing container 20. After filling water to the set position, close the water inlet valve 25;

[0044] Step 4: According to the material characteristics, the vibration time is set through the time relay 11, and the switch 13 is turned on to start the vibration sieve washing;

[0045] Step 5: When the vibration time set by the time relay 11 is reached, the vibrating screen machine automatically stops working, the drainage valve 27 is opened, and the mud-water mixture is discharged into the mud-water collection container 36 through the drainage pipe 26 and the drainage hose 35 for sedimentation. After sedimentation, the supernatant is recovered and moved to the water storage container 34 for reuse, and the lower sediment is dried for standby use;

[0046] Step 6: Close the drain valve 27 and repeat steps 3 to 5 until the water discharged from the drain pipe 26 is clear;

[0047] Step 7: After the water in the washing container 20 is drained, loosen the fixing handle 155, lift it up and fix it on the upper part of the fixed structure 15, remove the washing container 20, take out the combined screen 16, dry and weigh the materials on each layer of the screen, and then determine the washing rate and sand production rate of the washing test.

[0048] The washing rate and sand production rate of the washing test are calculated according to the following formula.

[0049] The washing rate is calculated according to formula (1):

[0050]

[0051] Where: m1——mass of the dried sample before washing, g;

[0052] m2——mass of the dried sample with particles larger than 0.075 mm after washing, g;

[0053] The sand production rate is calculated according to formula (2):

[0054]

[0055] Where: m3 is the mass of the dried sample with 0.075mm-4.75mm particles after washing, g.

[0056] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high-pressure spray washing test device using a top-impact vibrating screen machine, characterized in that: The invention comprises a vibrating screen module (1), a washing module (2) and a water supply and drainage module (3). The vibrating screen module (1) comprises a vibrating tray (14). A vibrating motor (12) is arranged at the bottom of the vibrating tray (14). A screen placement platform (21) is arranged at the top. A combined screen (16) composed of a plurality of screens is arranged at the top of the screen placement platform (21). The washing module (2) comprises a washing container (20) sleeved on the outside of the combined screen (16). A high-pressure spray pipe (24) and a water inlet valve (25) are arranged at the top of the washing container (20). A drainage pipe (26) is arranged at the bottom. The water supply and drainage module (3) comprises a water pump system (30). One side of the water pump system (30) is connected to a water storage container (34) through a water pump inlet pipe (31). The other side is connected to the high-pressure spray pipe (24) through a water pump outlet pipe (32).

2. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 1, characterized in that: The vibrating screen module (1) further comprises a waterproof machine base (10) which is arranged to cover the outside of the vibrating motor (12); a time relay (11) and a switch (13) are arranged in the waterproof machine base (10).

3. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 1, characterized in that: The combined screen (16) and the washing container (20) are connected to the vibrating tray (14) via a fixed structure (15); the fixed structure (15) comprises a plurality of connecting rods (151) arranged on the top of the vibrating tray (14); a first pressing cover (152) is slidably arranged on the connecting rods (151) and a second pressing cover (154) is fixedly arranged; the first pressing cover (152) is arranged on the top of the combined screen (16) and the washing container (20); the second pressing cover (154) is located above the first pressing cover (152) and a pressing structure for pressing the first pressing cover (152) is provided at the center thereof.

4. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 3, characterized in that: A sealing ring is arranged at the bottom of the pressure cover 1 (152).

5. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 3, characterized in that: The pressing structure comprises a screw rod (153), and a tightening handle (155) is threadedly connected to the bottom of the screw rod (153).

6. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 1, characterized in that: The drainage pipe (26) is provided with a drainage valve (27).

7. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 2, characterized in that: A time relay (11) and a switch (13) are also arranged in the waterproof machine base (10).

8. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 1, characterized in that: The washing container (20) is integrally provided with a transparent scale bar (23) for observing the maximum water level control line (22).

9. The high-pressure spray washing test device using a top-impact vibrating screen machine according to claim 1, characterized in that: The water supply and drainage module (3) further comprises a muddy water collection container (36), and the drainage pipe (26) is connected to the muddy water collection container (36) via a drainage hose (35).

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