Cement paste detection system and operation method

Abstract

According to the cement paste detection system and the operation method, material values are input into the controller in advance, and automation and accuracy of material distribution are achieved through the control valve installed on the lower portion of the material distribution hopper; for testing the fluidity of the neat paste by an inverted cone method, a small counterweight ball and a level bubble are distributed on a testing bracket, and an integrated slurry collecting tray is hung at the bottom of the bracket; wetting the inner wall of the inverted cone funnel by using a wetting device and wiping to a water-free state; for testing the fluidity of neat paste by a truncated cone circular mold method, a synchronous lifting device is adopted to uniformly complete a parallel test, and an automatic cleaning device is mounted on the surface of the workbench, so that the testing efficiency is greatly improved. The device has the characteristics of accurate material distribution, high testing efficiency and the like, improves the testing efficiency of the fluidity of the neat paste, and can obtain better technical and economic benefits when being applied to actual engineering.

Description

Technical Field

[0001] The invention relates to the field of cement paste fluidity detection, and in particular to a cement paste detection system and an operation method. Background Art

[0002] The fluidity of cement paste is an important indicator of cement paste fluidity. Commonly used test methods in existing specifications include the inverted cone method, the truncated cone circular mold method, etc. The preparation of cement paste usually adopts manual weighing and feeding, and multiple parallel tests need to be completed during the test process, which greatly affects the efficiency of cement paste testing.

[0003] In view of the above problems, it is urgent to propose a cement slurry detection system and operation method, so as to realize the intelligent and precise distribution of slurry preparation and improve the detection efficiency of slurry fluidity. Summary of the invention

[0004] The object of the present invention is to provide a cement paste detection system and an operating method for solving the above-mentioned technical problems.

[0005] In order to solve the above technical problems, the present invention provides an operation method of a cement paste detection system, comprising the following steps:

[0006] Step 1: Control the amount of material added to the stirring pot through a control valve in the slurry preparation device, and rotate the stirring wings to mix and complete the slurry preparation;

[0007] Step 2: The main rotating rod of the wetting device rotates and sprays to wet the inner wall of the inverted cone funnel, and simultaneously drives the wiping ball to rotate around the rod until there is no visible water;

[0008] Step 3: Adjust the test stand to keep it level, place the inverted cone funnel on the base of the test stand, and adjust the indicator to control the slurry volume;

[0009] Step 4: Close the valve and inject slurry into the inverted cone funnel until the liquid surface touches the lower part of the indicator;

[0010] Step 5: Open the valve, discharge the slurry and record the time required for the slurry to flow out completely;

[0011] Step 6: Clean the inverted cone funnel and repeat steps 2 to 5 to conduct parallel tests;

[0012] Step 7: Adjust the workbench and keep it level, and install the lifting device and cleaning device on the workbench;

[0013] Step 8: Place the truncated cone round mold in the limiting hole of the positioning plate, inject slurry and scrape it flat;

[0014] Step 9: Turn on the climbing motor, the climbing beam climbs and drives the truncated cone circular mold to rise vertically;

[0015] Step 10: When the expanded clean slurry stops flowing, measure the maximum diameter and vertical length of the expanded clean slurry to calculate the fluidity of the clean slurry;

[0016] Step 11. Turn on the nozzle to flush the surface of the workbench, and rotate the brush to clean the waste on the workbench.

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention realizes automation and precision of pure pulp distribution by installing a control valve at the bottom of the distribution funnel.

[0019] (2) The present invention ensures the horizontality and verticality of the test bracket by installing a counterweight ball and a level bubble on the inverted cone funnel test bracket.

[0020] (3) The present invention utilizes a wetting device to automatically wet and wipe the inner wall of the inverted cone funnel, thereby improving the wetting efficiency of the funnel.

[0021] (4) The present invention realizes automatic cleaning of test waste by installing a cleaning device on the workbench, thereby improving the test efficiency.

[0022] (5) The present invention uses a lifting device to synchronously lift multiple truncated cone circular molds to uniformly complete multiple parallel tests, thereby improving the efficiency of the net slurry fluidity test.

[0023] (6) The present invention realizes automatic cleaning of test waste by installing a cleaning device on the workbench, thereby improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of a pure pulp preparation device;

[0025] Figure 2 yes Figure 1 A magnified image of area A;

[0026] Figure 3 It is a side view of the inverted cone method fluidity test device;

[0027] Figure 4 It is a top view of the inverted cone method fluidity test device;

[0028] Figure 5 yes Figure 3 Enlarged view of area B;

[0029] Figure 6 It is a schematic diagram of inverted cone funnel wetting at equal cross section;

[0030] Figure 7 It is a schematic diagram of inverted cone funnel wetting at a variable cross section;

[0031] Figure 8is a schematic diagram of the structure of the wetting device;

[0032] Fig. 9 yes Figure 8 Enlarged view of the middle C area;

[0033] Fig.10 It is the overall schematic diagram of the synchronous lifting test of the truncated cone circular mold;

[0034] Fig.11 yes Fig.10 Enlarged view of area D in the middle;

[0035] Fig.12 It is a schematic diagram of the lifting device structure;

[0036] Fig.13 It is a three-dimensional schematic diagram of the positioning plate;

[0037] Fig.14 It is a schematic diagram of the workbench structure;

[0038] Fig.15 This is a schematic diagram of the truncated cone-shaped circular die before synchronous lifting;

[0039] Fig.16 It is a schematic diagram of the truncated cone circular mold after synchronous lifting.

[0040] In the figure: 1 controller; 2 column; 3 handle; 4 wing plate; 5 first motor; 6 external water pipe; 7 first funnel; 8 drive shaft; 9 second funnel; 10 second motor; 11 discharge port; 12 stirring wing; 13 stirring pot; 14 lifting support; 15 base; 16 guide pipe; 17 guide rail; 18 control valve; 19 test bracket; 19-1 first column; 19-2 weight ball; 19-3 adjustment nut; 19-4 second column; 19-5 bottom crossbeam; 19-6 bearing platform; 20 inverted cone funnel; 21 valve; 22 top connecting beam; 23 indicator; 24 limit nut; 25 level bubble; 26 slurry collection tray; 27 connecting bolt; 28 wetting device; 28-1 control motor; 28-2 main rotating rod; 2 8-3 wiping ball; 28-4 auxiliary rotating rod; 28-5 second supporting rod; 28-6 first supporting rod; 28-7 water storage tank; 28-8 spring assembly; 28-9 limit block; 28-10 injection nozzle; 29 lifting device; 29-1 positioning plate; 29-2 clamp; 29-3 chain; 29-4 top connecting beam; 29-5 nozzle; 29-6 climbing beam; 29-7 vertical connecting rod; 29-8 vertical support; 29-9 climbing motor; 30 cleaning device; 30-1 driving device; 30-2 transmission shaft; 30-3 brush; 31 workbench; 31-1 platform plate; 31-2 first vertical rod; 31-3 second vertical rod; 31-4 rotary nut; 32 truncated cone round mold; 33 expanded clean slurry; 34 limit hole. DETAILED DESCRIPTION

[0041] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0042] Those skilled in the art should understand that, in the disclosure of the present invention, the orientation or position relationship indicated by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0043] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0044] like Figure 1-Figure 16 The present invention provides a cement paste detection system and operation method, comprising the following steps:

[0045] Step 1: Input material values ​​in the controller 1, accurately control the amount of material discharged into the stirring pot 13 through the control valve 18 in the slurry preparation device, and rotate the stirring wings 12 to mix and complete the slurry preparation;

[0046] Step 2: The main rotating rod 28-2 of the wetting device 28 sprays and wets the inner wall of the inverted cone funnel 20, and simultaneously drives the wiping ball 28-3 to rotate around the rod until there is no visible water;

[0047] Step 3: Adjust the test support 19 to keep it horizontal, place the inverted cone funnel 20 on the base 19-6 of the test support 19, and adjust the indicator 23 to control the slurry volume to 1725±5mL;

[0048] Step 4: Close the valve 21 and slowly inject the slurry into the inverted cone funnel 20 until the liquid level just touches the lower part of the indicator 23;

[0049] Step 5, open the valve 21, let the slurry flow out freely and record the time required for the slurry to flow out completely;

[0050] Step 6: Clean the inverted cone funnel 20, and repeat steps 2 to 5 to perform a parallel test;

[0051] Step 7: Adjust the workbench 31 and keep it level, and install the lifting device 29 and the cleaning device 30 on the workbench 31;

[0052] Step 8: Place the truncated cone round mold 32 in the limiting hole 34 of the positioning plate 29-1, inject slurry and scrape it flat;

[0053] Step nine, start the climbing motor 29-9, the climbing beam 29-6 climbs and drives the truncated cone circular mold 32 to rise vertically;

[0054] Step 10: When the expanded clean slurry 33 stops flowing, measure the maximum diameter and its vertical length to calculate the fluidity of the clean slurry;

[0055] Step 11: Open the nozzle 29 - 5 to flush the surface of the workbench 31 , and the driving device 30 - 1 drives the brush 30 - 3 to rotate at high speed to clean the waste on the workbench 31 .

[0056] In step one, the slurry preparation device includes a base 15, a column 2 arranged on the base, a lifting support 14 lifted and lowered on the side of the column 2, and a wing plate 4 fixed on the side of the column 2; a stirring pot 13 is arranged on the upper part of the lifting support 14, and a handle 3 is rotatably arranged on the side of the column 2, and the lifting support 14 is controlled to move up and down along the guide rail 17 by rotating the handle 3; a first funnel 7 for storing mixing water and a second funnel 9 for storing powder are arranged at the cantilever end of the wing plate 4; the upper part of the first funnel 7 is connected to an external water pipe 6, and the lower part is connected to a guide pipe 16 extending to the stirring pot 13; a discharge port 11 facing the stirring pot 13 is arranged at the end of the second funnel 9; control valves 18 are arranged at the necks of the first funnel 7 and the second funnel 9; the control valve 18 is arranged with a gravity sensor.

[0057] Among them, a first motor 5 is connected to the top of the column, a driving shaft 8 is provided at the output end of the first motor 5, a second motor 10 is connected to the end of the driving shaft 8, and the output end of the second motor 10 is connected to the stirring wing 12, so that the second motor 10 controls the rotation of the stirring wing 12. At the same time, after the slurry in the stirring pot 13 is stirred, the lifting support 14 drives the stirring pot 13 to descend, and the first motor 5 drives the second motor 10 and the stirring wing 12 to rotate through the driving shaft 8 to ensure that the stirring wing 12 is away from the opening of the stirring pot 13 to facilitate material removal.

[0058] In one embodiment of the present scheme, a gear is provided at the end of the handle, the gear is located on the inner side of the column, and a rack is provided on the side of the lifting support, the rack and the gear are meshed and matched, so that when the handle controls the gear to rotate, the lifting member moves up and down along the guide rail 17.

[0059] In step 2, the wetting device 28 includes a control motor 28-1, a main rotating rod 28-2 connected to one side of the control motor 28-1, and a sub-rotating rod 28-4 connected to one end of the main rotating rod 28-2; the main rotating rod 28-2 is provided with a water storage tank 28-7, and is connected to the water supply equipment through an external pipeline, and the main rotating rod 28-2 and the sub-rotating rod 28-4 can be rotated in both directions by the control motor 28-1; the outer periphery of the main rotating rod 28-2 and the sub-rotating rod 28-4 are connected with a first support rod 28-6 and a second support rod 28-5 in sequence, and the first support rod 28-6 and the second support rod 28-5 are telescopically matched; the second support rod 28-5 is embedded with a wiping ball 28-3 at one end away from the first support rod 28-6, and the other end is extended The second support rod 28-5 is inserted into the first support rod 28-6 and connected with the spring assembly 28-8, so that the second support rod 28-5 can be freely extended and retracted, and the end of the spring assembly 28-8 is fixed on the limit block 28-9 inside the first support rod 28-6; the second support rod 28-5 is provided with a plurality of injection ports 28-10 connected with the water storage tank 28-7, so that the water storage tank 28-7 supplies water to the injection ports 28-10; the upper part of the inverted cone funnel 20 is provided with a top connecting beam 22, and the lower neck is provided with a valve 21; the two ends of the top connecting beam 22 are fixed to the outer wall of the inverted cone funnel 20 by limiting nuts 24; the upper part of the top connecting beam 22 is symmetrically arranged with indicators 23; the indicator 23 is fixed to the top connecting beam 22 by limiting nuts 24.

[0060] Among them, when the control motor 28-1 is lowered into the inverted cone funnel 20 by a crane or the like, the water tank 28-7 continuously supplies water to the injection port 28-1, and cooperates with the control motor 28-1 to drive the first support rod 28-6 and the second support rod 28-5 to rotate, so that the inner wall of the inverted cone funnel 20 is moistened. Since the wiping ball 28-3 rotates with the second support rod 28-5, the wiping ball 28-3 wipes and smears the water on the inner wall of the inverted cone funnel 20, so that the inner wall of the inverted cone funnel 20 appears moist but without visible water.

[0061] At the same time, the control motor 28-1 is lowered by a crane or the like, thereby controlling the wetting position to ensure that the inner wall of the inverted cone funnel 20 is evenly wetted. Moreover, since the first support rod 28-6 and the second support rod 28-5 are telescopically matched, the wiping position of the wiping ball 28-3 can adapt to the inclined surface of the inner wall of the inverted cone funnel 20, thereby improving the wetting effect.

[0062] In step three, the test bracket 19 includes a plurality of first columns 19-1, a second column 19-4 arranged at the lower end of the first column 19-1, and a base 19-6 connected to the plurality of first columns 19-1; a bottom beam 19-5 is connected between adjacent first columns 19-1, a counterweight ball 19-2 is hung on the side of the base 19-6, a level bubble 25 is arranged in the middle of the bottom beam 19-5, a slurry collection tray 26 is fixed to the lower part of the bottom beam 19-5 by a connecting bolt 27, and the second column 19-4 realizes height change by an adjusting nut 19-3 arranged on the knob column body, thereby controlling the horizontality of the test bracket 19.

[0063] Among them, the end of the second column 19-4 is inserted into the bottom end of the first column 19-1, and the relative position of the first column 19-1 and the second column 19-4 is limited by the adjusting nut 19-3, and the adjusting nut 19-3 and the second column 19-4 are threadedly matched, so that the adjusting nut 19-3 can be rotated to adjust the relative height with the second column 19-4, thereby controlling the depth of the second column 19-4 inserted into the first column 19-1, so as to control the horizontality of the test bracket 19.

[0064] In step seven, the lifting device 29 includes at least two vertical pillars 29-8, a top connecting beam 29-4 connected between adjacent vertical pillars 29-8, and a climbing beam 29-6 that is lifted and lowered between adjacent vertical pillars 29-8; a plurality of nozzles 29-5 are suspended at the lower end of the top connecting beam 29-4, and both ends of the climbing beam 29-6 are movably connected to the vertical pillars 29-8 through clamps 29-2, and the upper and lower sides of the clamps 29-2 are pulled by chains 29-3, and the climbing beam 29-6 is connected to the positioning plate 29-1 through a vertical connecting rod 29-7, and a limiting hole 34 is opened on the upper part of the positioning plate 29-1.

[0065] Among them, a climbing motor 29-9 is arranged at the bottom of the vertical support 29-8, and the chain 29-3 is controlled by the climbing motor 29-9 to rotate along the vertical support 29-8, thereby controlling the lifting and lowering of the climbing beam 29-6.

[0066] The cleaning device 30 includes a driving device 30 - 1 , a transmission shaft 30 - 2 , and a brush 30 - 3 ; the cleaning device 30 is disposed on the surface of a workbench 31 .

[0067] In one embodiment of the present scheme, a movable guide rail is protruding from the surface of the workbench 31, and the driving device 30-1 is movably installed in the movable guide rail, so that the driving device 30-1 can move along the movable guide rail. At the same time, the brush 30-3 is controlled by the driving device 30-1 to rotate and clean, thereby improving the cleaning effect of the surface of the workbench 31.

[0068] The driving device 30 - 1 may be a motor.

[0069] The workbench includes a platform plate 31-1, a first vertical pole 31-2, a second vertical pole 31-3, and an adjustment nut 31-4; the first vertical pole 31-2 is provided with an adjustment nut 31-4 to control the horizontality of the platform plate 31-1; a level bubble 25 is provided on the side of the platform plate 31-1.

[0070] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, any product with the same or similar technical solutions as the present application shall fall within the protection scope of the present invention.

Claims

1. An operating method of a cement paste detection system, characterized in that: The following steps are involved: Step 1: The amount of material discharged into the stirring pot (13) is controlled by a control valve (18) in the slurry preparation device, and the stirring wings (12) rotate and mix to complete the slurry preparation; Step 2: The main rotating rod (28-2) of the wetting device (28) sprays and wets the inner wall of the inverted cone funnel (20), and simultaneously drives the wiping ball (28-3) to rotate around the rod until there is no visible water; Step 3: Adjust the test support (19) to keep it horizontal, place the inverted cone funnel (20) on the support (19-6) of the test support (19), and adjust the indicator (23) to control the slurry volume; Step 4: Close the valve (21) and inject the slurry into the inverted cone funnel (20) until the liquid surface contacts the lower part of the indicator (23); Step 5, open the valve (21), discharge the slurry and record the time required for the slurry to flow out completely; Step 6: Clean the inverted cone funnel (20), and repeat steps 2 to 5 to conduct a parallel test; Step 7: Adjust the workbench (31) and keep it level, and install the lifting device (29) and the cleaning device (30) on the workbench (31); Step 8: Place the truncated cone circular mold (32) in the limiting hole (34) of the positioning plate (29-1), inject slurry and scrape it flat; Step nine, start the climbing motor (29-9), the climbing beam (29-6) climbs and drives the truncated cone circular mold (32) to rise vertically; Step 10: When the expanded clean slurry (33) stops flowing, measure the maximum diameter and vertical length of the expanded clean slurry (33) to calculate the fluidity of the clean slurry; Step 11: Open the nozzle (29-5) to flush the surface of the workbench (31), and the brush (30-3) rotates to clean the waste on the workbench (31).

2. The operating method of the cement paste detection system according to claim 1, characterized in that: In step 1, the slurry preparation device comprises a base (15), a column (2) arranged on the base, a lifting support (14) lifted and arranged on the side of the column (2), and a wing plate (4) fixed to the side of the column (2); a stirring pot (13) is arranged on the upper part of the lifting support (14), and a handle (3) is rotatably arranged on the side of the column (2), and the lifting support (14) is controlled to move up and down along the guide rail (17) by rotating the handle (3); a first funnel (7) for storing mixing water and a second funnel (9) for storing powder are arranged at the cantilever end of the wing plate (4).

3. The operating method of the cement paste detection system according to claim 2, characterized in that: The first funnel (7) is connected to an external water pipe (6) at its upper portion and to a flow guide pipe (16) extending to the stirring pot (13) at its lower portion; a discharge port (11) facing the stirring pot (13) is provided at the end of the second funnel (9); and control valves (18) are provided at the necks of the first funnel (7) and the second funnel (9).

4. The operating method of the cement paste detection system according to claim 2, characterized in that: A first motor (5) is connected to the top of the column (2), a drive shaft (8) is provided at the output end of the first motor (5), a second motor (10) is connected to the end of the drive shaft (8), and the output end of the second motor (10) is connected to the stirring wing (12).

5. The operating method of the cement paste detection system according to claim 1, characterized in that: In step 2, the wetting device (28) comprises a control motor (28-1), a main rotating rod (28-2) connected to one side of the control motor (28-1), and a secondary rotating rod (28-4) connected to one end of the main rotating rod (28-2); a water storage tank (28-7) is provided on the body of the main rotating rod (28-2), and the main rotating rod (28-2) and the secondary rotating rod (28-4) can be bidirectionally rotated by the control motor (28-1); the outer peripheries of the main rotating rod (28-2) and the secondary rotating rod (28-4) are connected in sequence with a first support rod (28-6) and a second support rod (28-5), and the first support rod (28 -6) and the second support rod (28-5) are telescopically matched; one end of the second support rod (28-5) away from the first support rod (28-6) is embedded with a wiping ball (28-3), and the other end extends into the first support rod (28-6) and is connected to a spring assembly (28-8), and the end of the spring assembly (28-8) is fixed to a limit block (28-9) inside the first support rod (28-6); the second support rod (28-5) is provided with a plurality of injection ports (28-10) connected to a water storage tank (28-7), so that the water storage tank (28-7) supplies water to the injection ports (28-10).

6. The operating method of the cement paste detection system according to claim 1, characterized in that: The inverted cone funnel (20) is provided with a top connecting beam (22) at the upper part, and a valve (21) is provided at the lower neck; both ends of the top connecting beam (22) are fixed to the outer wall of the inverted cone funnel (20) through limiting nuts (24); indicators (23) are symmetrically arranged on the upper part of the top connecting beam (22); the indicators (23) are fixed to the top connecting beam (22) through limiting nuts (24).

7. The operating method of the cement paste detection system according to claim 1, characterized in that: In step three, the test bracket (19) includes a plurality of first columns (19-1), a second column (19-4) arranged at the lower end of the first column (19-1), and a support (19-6) connected to the plurality of first columns (19-1); a bottom cross beam (19-5) is connected between adjacent first columns (19-1), a counterweight ball (19-2) is hung on the side of the support (19-6), a level bubble (25) is arranged in the middle of the bottom cross beam (19-5), and a slurry collection tray (26) is fixed at the lower part of the bottom cross beam (19-5).

8. The method for operating the cement paste detection system according to claim 1, characterized in that: In step seven, the lifting device (29) includes at least two vertical pillars (29-8), a top connecting beam (29-4) connected between adjacent vertical pillars (29-8), and a climbing beam (29-6) that is lifted and lowered between adjacent vertical pillars (29-8); a plurality of nozzles (29-5) are suspended at the lower end of the top connecting beam (29-4), and both ends of the climbing beam (29-6) are movably connected to the vertical pillars (29-8) through clamps (29-2), and the upper and lower sides of the clamps (29-2) are pulled by chains (29-3), and the climbing beam (29-6) is connected to the positioning plate (29-1) through a vertical connecting rod (29-7), and a limiting hole (34) is opened on the upper part of the positioning plate (29-1).

9. The method for operating the cement paste detection system according to claim 1, characterized in that: The cleaning device (30) comprises a driving device (30-1), a transmission shaft (30-2) rotatably arranged on one side of the driving device (30-1), and a brush (30-3) arranged at the end of the transmission shaft (30-2); the cleaning device (30) is arranged on the surface of a workbench (31).

10. A cement paste detection system, characterized in that: The method is obtained by constructing the cement paste detection system according to any one of claims 1 to 9.

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