CN111256783A - Liquid level detection device for slurry in stirring state - Google Patents
Liquid level detection device for slurry in stirring state Download PDFInfo
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- CN111256783A CN111256783A CN202010244271.7A CN202010244271A CN111256783A CN 111256783 A CN111256783 A CN 111256783A CN 202010244271 A CN202010244271 A CN 202010244271A CN 111256783 A CN111256783 A CN 111256783A
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- liquid level
- connecting rod
- floating ball
- slurry
- level detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/48—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using twisted spindles as transmission elements
- G01F23/52—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using twisted spindles as transmission elements using electrically actuated indicating means
- G01F23/523—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using twisted spindles as transmission elements using electrically actuated indicating means using electromechanically actuated indicating means
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- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The embodiment of the invention discloses a liquid level detection device for slurry in a stirring state, which is arranged in a slurry tank, wherein the slurry tank is internally provided with the stirring device, the liquid level detection device comprises a floating ball and a resistance type liquid level detection assembly, the top of the slurry tank is provided with a detection seat through a bracket, the resistance type liquid level detection assembly is fixed on the detection seat, the floating ball is connected with a connecting rod, the resistance type liquid level detection assembly comprises a slide slope, a reset chute is arranged on the slide slope, a counterweight sliding block is arranged in the reset chute, a slide rheostat is arranged above the reset chute, a slide sheet of the slide rheostat is connected with the counterweight sliding block, the connecting rod is connected with the counterweight sliding block through a steel wire rope, the floating ball is connected with the detection seat through the connecting rod, the instability influence of a vortex formed by water flow on the, the slurry can be prevented from being adhered to the equipment, so that the detection failure is avoided, and the detection effect of the equipment is ensured.
Description
Technical Field
The embodiment of the invention relates to the technical field of gypsum board production, in particular to a liquid level detection device for slurry in a stirring state.
Background
The gypsum board is a material prepared by taking building gypsum as a main raw material. The building material has the advantages of light weight, high strength, small thickness, convenient processing, sound insulation, heat insulation, fire prevention and other good performances, and is one of the currently-developed novel light boards. Gypsum boards have been widely used for interior partition walls, wall covering panels (instead of wall plasters), ceilings, sound absorbing panels, floor base boards, and various decorative boards in various buildings such as houses, office buildings, shops, hotels, and industrial plants, and are not suitable for being installed in bathrooms or kitchens.
In the gypsum board production process, limestone needs to be added into a flue gas desulfurization system, the limestone needs to be dissolved in water to form a lime solution, then the lime solution is gradually added into a bubble tank of a denitration system, the tank filled with the lime solution needs to be stirred constantly, otherwise, the lime solution is easy to precipitate, and the measurement of the high liquid level of the lime tank becomes a difficult problem. Electrode type, ultrasonic wave and floating ball type measurement are selected and used to be unstable, the viscosity of lime liquid has influence on electrode type measurement liquid level, and the fluidity has influence on ultrasonic wave and floating ball type measurement liquid level, so that the existing liquid level measurement device is difficult to carry out liquid level measurement on the lime liquid.
Disclosure of Invention
Therefore, the embodiment of the invention provides a liquid level detection device for slurry in a stirring state, which aims to solve the problem that in the prior art, the lime solution needs to be stirred in the process of pin removal, the viscosity of the slurry has an influence on the electrode type measurement liquid level, and the fluidity of the slurry has an influence on the ultrasonic wave and floating ball type measurement liquid level, so that the existing liquid level measurement device is difficult to measure the liquid level of the lime solution.
In order to achieve the above object, an embodiment of the present invention provides the following:
a liquid level detection device for slurry in a stirring state is arranged in a slurry tank, a stirring device is arranged in the slurry tank, the liquid level detection device comprises a floating ball and a resistance type liquid level detection assembly, a detection seat is arranged at the top of the slurry tank through a support, the resistance type liquid level detection assembly is fixed on the detection seat, the floating ball is connected with a connecting rod, and the connecting rod is connected with the resistance type liquid level detection assembly;
the resistance type liquid level detection assembly comprises a landslide, a reset sliding groove is formed in the landslide, a counterweight sliding block is arranged in the reset sliding groove, a sliding rheostat is arranged above the reset sliding groove, a sliding piece of the sliding rheostat is connected with the counterweight sliding block, and meanwhile the connecting rod is connected with the counterweight sliding block through a steel wire rope.
As a preferable aspect of the present invention, when the liquid level rises to drive the floating ball to rise, the floating ball pulls the counterweight sliding block to move upward along the reset sliding groove through the steel wire rope, so as to change the position of the sliding piece, and when the liquid level falls to drive the floating ball to fall, the counterweight sliding block moves downward along the reset sliding groove under the action of gravity, so as to change the position of the sliding piece, so that the resistance value of the slide rheostat is linearly increased along with the rise of the floating ball or is linearly decreased along with the fall of the floating ball.
As a preferable scheme of the invention, the top of the landslide is provided with a limit ring, and the steel wire rope penetrates through the limit ring and then is connected with the counterweight sliding block.
As a preferable scheme of the present invention, two ends of a lower end surface of the detection seat are provided with support frames, a rotation shaft is rotatably inserted between the two support frames, the connection rod is radially connected to the rotation shaft, the floating ball is fixedly arranged at a lower end of the connection rod, an upper end of the connection rod is connected to a drive rod, the drive rod is perpendicular to the rotation shaft and forms an included angle with the connection rod, and a top end of the drive rod is located at a left side of the landslide and is connected to the counterweight sliding block through the steel wire rope.
In a preferred embodiment of the present invention, a stopper rod is connected between the two support frames, and the stopper rod is parallel to the rotation shaft and positioned at a lower right side of the rotation shaft, so that the connecting rod is inclined to a right side when moved to a lowermost portion and abuts against the stopper rod.
As a preferable scheme of the invention, when the liquid level is low, the connecting rod leans against the limiting rod, and at the moment, the connecting rod is inclined towards the right side, and when the liquid level rises to drive the floating ball to move upwards, the connecting rod is inclined towards the right side to drive the rotating shaft and the driving rod to rotate anticlockwise, so as to drive the steel wire rope to pull the counterweight sliding block to move upwards.
As a preferable scheme of the present invention, the connecting rod is slidably inserted into the detection seat up and down, the floating ball is fixedly disposed at a bottom end of the connecting rod, and two ends of the steel wire rope are respectively connected to the counterweight sliding block and a top end of the connecting rod.
As a preferable mode of the present invention, a plurality of the connecting rods are provided, the connecting rods are uniformly spaced along a radial direction of the slurry tank, and one of the connecting rods is provided at a center of the slurry tank.
As a preferred scheme of the present invention, the detection seat is provided with a plurality of resistance type liquid level detection assemblies, and the connecting rod is correspondingly connected to the resistance type liquid level detection assemblies.
The embodiment of the invention has the following advantages:
the liquid level change can drive the height change of the floating ball, the floating ball transmits the secondary change to the resistance type liquid level detection assembly through the connecting rod to change the resistance of the resistance type liquid level detection assembly, so the change of the resistance can reflect the change of the liquid level to realize liquid level detection, meanwhile, the floating ball is connected with the connecting rod and the detection seat to prevent the instability influence of vortex formed by water flow on the floating ball and stabilize the state of the floating ball, and meanwhile, as the slurry is not in direct contact with a detection part, the slurry can be prevented from being adhered to equipment to cause detection failure, and the detection effect of the equipment is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic view of the overall structure in embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a resistive liquid level detection assembly in embodiment 1 of the present invention;
FIG. 3 is a schematic view of the overall structure in embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of the resistive liquid level detection assembly in embodiment 2 of the present invention.
In the figure:
1-a slurry tank; 2-floating ball; 3-a resistive liquid level detection assembly; 4-detection seat; 5-a connecting rod; 6-steel wire rope;
301-landslide; 302-a reset chute; 303-counterweight sliding block; 304-a sliding varistor; 305-a stop collar; 306-a support frame; 307-rotating shaft; 308-a drive rod; 309-limiting rod.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, embodiment 1:
the utility model provides a liquid level detection device of stirring state thick liquid, the setting is in thick liquid jar 1, be provided with agitating unit in the thick liquid jar 1, liquid level detection device includes floater 2 and resistance-type liquid level detection subassembly 3, 1 top of thick liquid jar is provided with through the support and detects seat 4, resistance-type liquid level detection subassembly 3 is fixed on detecting seat 4, floater 2 is connected with connecting rod 5, connecting rod 5 links to each other with resistance-type liquid level detection subassembly 3, resistance-type liquid level detection subassembly 3 includes landslide 301, be provided with the spout 302 that resets on the landslide 301, be provided with counter weight slider 303 in the spout 302 that resets, the top of the spout 302 that resets is provided with slide rheostat 304, slide rheostat 304's gleitbretter links to each other with counter weight slider 303.
In this embodiment, when the liquid level rises to drive the floating ball 2 to rise, the floating ball 2 pulls the counterweight sliding block 303 to move up along the reset sliding groove 302 through the steel wire rope 6, so as to change the position of the sliding piece, and when the liquid level falls to drive the floating ball 2 to fall, the counterweight sliding block 303 moves down along the reset sliding groove 302 under the action of gravity, so as to change the position of the sliding piece, so that the resistance value of the slide rheostat 304 linearly increases along with the rise of the floating ball 2 or linearly decreases along with the fall of the floating ball 2.
In this embodiment, the top of the landslide 301 is provided with the limit ring 305, the steel wire rope 6 passes through the limit ring 305 and then is connected with the counterweight sliding block 303, and by arranging the limit ring 305, the connection angle between the steel wire rope 6 and the counterweight sliding block 303 can be fixed, so that the counterweight sliding block 303 can move along the reset sliding groove 302.
In this embodiment, the floating ball 2 floats on the liquid level in the slurry tank 1, and when the liquid level changes, the height of the floating ball 2 changes along with the liquid level, so that the position of the connecting rod 5 changes, and the resistance type liquid level detection assembly 3 is changed. When the liquid level is detected, the liquid level height of the slurry in the slurry tank 1 can be obtained by measuring the resistance value of the slide rheostat 304 and utilizing the linear change relationship between the resistance value and the liquid level height of the slide rheostat 304.
In this embodiment, the two ends of the lower end surface of the detection seat 4 are provided with the support frames 306, the rotation shaft 307 is rotatably arranged between the two support frames 306 in a penetrating manner, the connecting rod 5 is radially connected to the rotation shaft 307, the floating ball 2 is fixedly arranged at the lower end of the connecting rod 5, the upper end of the connecting rod 5 is connected with the driving rod 308, the driving rod 308 is perpendicular to the rotation shaft 307 and forms an included angle with the connecting rod 5, and the top end of the driving rod 308 is located on the left side of the landslide 301 and is connected with the.
In this embodiment, a limiting rod 309 is connected between the two supporting frames 306, the limiting rod 309 is parallel to the rotating shaft 307 and is located at the lower right side of the rotating shaft 307, so that the connecting rod 5 moves to the bottom and leans against the limiting rod 309 in a right-side inclined state, when the liquid level is low, the connecting rod 5 leans against the limiting rod 309, and at this time, the connecting rod 5 leans towards the right side, when the liquid level rises and drives the floating ball 2 to move upwards, the connecting rod 5 tilts towards the right side, and drives the rotating shaft 307 and the driving rod 308 to rotate anticlockwise, and further drives the steel wire rope 6 to pull the counterweight sliding block 303 to move upwards, so as to change the position of the sliding piece, so that the resistance value of the sliding rheostat 304 becomes larger linearly along with the rising of the floating ball 2, when the liquid level rises and drives the floating ball 2 to move downwards, the connecting rod 5 rotates downwards, and drives the rotating shaft 307 and, the position of the slide sheet is changed, so that the resistance value of the slide rheostat 304 is linearly reduced along with the descending of the floating ball 2.
The floater 2 and the connecting rod 5 are fixedly connected in the embodiment, and the connecting rod 5 is connected with the detection seat 4 through the support frame 306 and the rotating shaft, so that the floater 2 and the detection seat 4 form a connection relation, the unstable influence of a vortex formed by water flow on the floater 2 is prevented, the state of the floater 2 is stabilized, and meanwhile, due to the fact that the grout is not in direct contact with a detection part, the grout can be prevented from being adhered to equipment, the detection failure is caused, and the detection effect of the equipment is guaranteed.
Referring to fig. 2 to 4, embodiment 2:
the utility model provides a liquid level detection device of stirring state thick liquid, the setting is in thick liquid jar 1, be provided with agitating unit in the thick liquid jar 1, liquid level detection device includes floater 2 and resistance-type liquid level detection subassembly 3, 1 top of thick liquid jar is provided with through the support and detects seat 4, resistance-type liquid level detection subassembly 3 is fixed on detecting seat 4, floater 2 is connected with connecting rod 5, connecting rod 5 links to each other with resistance-type liquid level detection subassembly 3, resistance-type liquid level detection subassembly 3 includes landslide 301, be provided with the spout 302 that resets on the landslide 301, be provided with counter weight slider 303 in the spout 302 that resets, the top of the spout 302 that resets is provided with slide rheostat 304, slide rheostat 304's gleitbretter links to each other with counter weight slider 303.
In this embodiment, when the liquid level rises to drive the floating ball 2 to rise, the floating ball 2 pulls the counterweight sliding block 303 to move up along the reset sliding groove 302 through the steel wire rope 6, so as to change the position of the sliding piece, and when the liquid level falls to drive the floating ball 2 to fall, the counterweight sliding block 303 moves down along the reset sliding groove 302 under the action of gravity, so as to change the position of the sliding piece, so that the resistance value of the slide rheostat 304 linearly increases along with the rise of the floating ball 2 or linearly decreases along with the fall of the floating ball 2.
In this embodiment, the top of the landslide 301 is provided with the limit ring 305, the steel wire rope 6 passes through the limit ring 305 and then is connected with the counterweight sliding block 303, and by arranging the limit ring 305, the connection angle between the steel wire rope 6 and the counterweight sliding block 303 can be fixed, so that the counterweight sliding block 303 can move along the reset sliding groove 302.
In this embodiment, the connecting rod 5 is slidably inserted into the detecting base 4 up and down, the floating ball 2 is fixedly disposed at the bottom end of the connecting rod 5, two ends of the steel wire rope 6 are respectively connected to the counterweight sliding block 303 and the top end of the connecting rod 5, when the liquid level rises to drive the floating ball 2 to move upwards, the upper end of the connecting rod 5 continuously extends out of the detecting base 4, so as to drive the steel wire rope 6 to move, and the counterweight sliding block 303 is pulled to move by the movement of the steel wire rope 6, so that the resistance value of the slide rheostat.
In this embodiment, the connecting rods 5 may be further provided in a plurality of numbers, the connecting rods 5 are uniformly spaced along the radial direction of the slurry tank 1, one of the connecting rods 5 is disposed in the center of the slurry tank 1, the detecting base 4 is provided with a plurality of resistance type liquid level detecting assemblies 3, and the connecting rods 5 are correspondingly connected with the resistance type liquid level detecting assemblies 3.
Owing to in the thick liquid jar, its bottom center department is provided with agitating unit, a swirl can appear correspondingly in the center department of liquid level, simultaneously because connecting rod 5 is in it along the radial distribution of thick liquid jar 1, so can detect the liquid level condition of one of them vertical tangent plane of thick liquid, and then the holistic liquid level distribution condition of thick liquid is reflected, carry out contrastive analysis through 3 testing results of each resistance-type liquid level detection subassembly, can confirm the size by the swirl that the stirring formed, data such as degree of depth, thereby get rid of the interference of swirl when the liquid level of confirming the thick liquid, promote and detect the precision, and through averaging a plurality of testing results, further promote and detect the precision.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A liquid level detection device for slurry in a stirring state is arranged in a slurry tank (1), and a stirring device is arranged in the slurry tank (1), and is characterized in that the liquid level detection device comprises a floating ball (2) and a resistance type liquid level detection assembly (3), the top of the slurry tank (1) is provided with a detection seat (4) through a support, the resistance type liquid level detection assembly (3) is fixed on the detection seat (4), the floating ball (2) is connected with a connecting rod (5), and the connecting rod (5) is connected with the resistance type liquid level detection assembly (3);
the resistance type liquid level detection assembly (3) comprises a landslide (301), a reset sliding groove (302) is formed in the landslide (301), a counterweight sliding block (303) is arranged in the reset sliding groove (302), a sliding rheostat (304) is arranged above the reset sliding groove (302), a sliding sheet of the sliding rheostat (304) is connected with the counterweight sliding block (303), and meanwhile the connecting rod (5) is connected with the counterweight sliding block (303) through a steel wire rope (6).
2. The apparatus for detecting the level of a slurry in a stirring state as claimed in claim 1, wherein when the floating ball (2) is driven to rise by the rising of the liquid level, the floating ball (2) pulls the weight slider (303) to move up along the reset chute (302) through the wire rope (6) to change the position of the sliding piece, and when the floating ball (2) is driven to fall by the falling of the liquid level, the weight slider (303) moves down along the reset chute (302) under the action of gravity to change the position of the sliding piece, so that the resistance value of the slide rheostat (304) becomes linearly larger along with the rising of the floating ball (2) or becomes linearly smaller along with the falling of the floating ball (2).
3. The apparatus for detecting the level of a slurry under agitation according to claim 2, wherein a stop collar (305) is provided on the top of the landslide (301), and the wire rope (6) is connected to the weight block (303) after passing through the stop collar (305).
4. The device for detecting the liquid level of slurry in a stirring state according to claim 3, wherein support frames (306) are arranged at two ends of the lower end face of the detection seat (4), a rotating shaft (307) is rotatably arranged between the two support frames (306) in a penetrating manner, the connecting rod (5) is radially connected to the rotating shaft (307), the floating ball (2) is fixedly arranged at the lower end of the connecting rod (5), the upper end of the connecting rod (5) is connected with a driving rod (308), the driving rod (308) is perpendicular to the rotating shaft (307) and forms an included angle with the connecting rod (5), and the top end of the driving rod (308) is positioned at the left side of the landslide (301) and is connected with the counterweight sliding block (303) through the steel wire rope (6).
5. The apparatus for detecting the level of a slurry under agitation according to claim 4, wherein a stopper rod (309) is connected between the two supporting frames (306), and the stopper rod (309) is parallel to the rotating shaft (307) and is located at the lower right of the rotating shaft (307), so that the connecting rod (5) is inclined to the right when moved to the lowest position and leaned against the stopper rod (309).
6. The apparatus for detecting the liquid level of a slurry under agitation according to claim 5, wherein when the liquid level is low, the connecting rod (5) abuts against the limiting rod (309), and at this time, the connecting rod (5) is inclined to the right, and when the liquid level rises to drive the floating ball (2) to move upward, the connecting rod (5) is inclined to the right to drive the rotating shaft (307) and the driving rod (308) to rotate counterclockwise, and further drive the steel wire rope (6) to pull the counterweight sliding block (303) to move upward.
7. The apparatus for detecting the level of a slurry under agitation according to claim 3, wherein the connecting rod (5) is vertically slidably inserted into the detecting base (4), the floating ball (2) is fixedly disposed at the bottom end of the connecting rod (5), and both ends of the wire rope (6) are connected to the weight slider (303) and the top end of the connecting rod (5), respectively.
8. The apparatus for detecting the level of a slurry under agitation as set forth in claim 7, wherein a plurality of said connecting rods (5) are provided, said connecting rods (5) are arranged at regular intervals in the radial direction of said slurry tank (1), and one of said connecting rods (5) is arranged at the center of said slurry tank (1).
9. The apparatus for detecting the level of a slurry under agitation according to claim 8, wherein said detection base (4) is provided with a plurality of said resistive level detection assemblies (3), and said connecting rod (5) is correspondingly connected to said resistive level detection assemblies (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244271.7A CN111256783B (en) | 2020-03-31 | 2020-03-31 | Liquid level detection device for slurry in stirring state |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244271.7A CN111256783B (en) | 2020-03-31 | 2020-03-31 | Liquid level detection device for slurry in stirring state |
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| CN111256783A true CN111256783A (en) | 2020-06-09 |
| CN111256783B CN111256783B (en) | 2021-08-31 |
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| JPS63266315A (en) * | 1987-04-24 | 1988-11-02 | Daihatsu Motor Co Ltd | Remaining fuel detector for fuel tank |
| CN102109373A (en) * | 2010-12-20 | 2011-06-29 | 扬州汽车传感器工程技术研究所 | Floating ball type liquid level sensor |
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