CN210893335U

CN210893335U - Device for measuring yellow phosphorus liquid level

Info

Publication number: CN210893335U
Application number: CN201922201670.0U
Authority: CN
Inventors: 程刚; 郝超
Original assignee: Wuhan Lvyunhuan Mechanical And Electrical Automation Engineering Co ltd
Current assignee: Wuhan Lvyunhuan Mechanical And Electrical Automation Engineering Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-06-30
Anticipated expiration: 2029-12-10

Abstract

The utility model provides a device for measuring yellow phosphorus liquid level, which comprises a yellow phosphorus storage tank, a fixed pulley, a rope, a floating block, a balancing weight, a supporting frame and a rotary encoder, wherein the yellow phosphorus storage tank is provided with a liquid inlet pipe and a liquid outlet, the supporting frame is fixed on the top of the yellow phosphorus storage tank, the fixed pulley comprises a pulley bracket, a pulley and a pulley shaft, the pulley shaft is horizontally arranged, two ends of the pulley shaft are arranged on the pulley bracket through bearings, the pulley is fixedly arranged on the pulley shaft, the pulley bracket is arranged on the supporting frame, the rotary encoder is fixedly arranged on the pulley shaft, the quality of the floating block is greater than that of the balancing weight, the floating block sinks in a water layer in the yellow phosphorus, the floating block floats on the liquid level of yellow phosphorus in the yellow phosphorus storage tank, the balancing weight is arranged in a suspended manner and is positioned outside the yellow phosphorus storage tank, the rope bypasses the pulley, one end of the rope is connected with the floating block, and the other end of the rope is connected with the balancing weight. The device simple structure can accurate real-time measurement yellow phosphorus's in yellow phosphorus storage tank liquid level, has guaranteed the security of yellow phosphorus use.

Description

Device for measuring yellow phosphorus liquid level

Technical Field

The utility model relates to a liquid level measurement technical field, concretely relates to measure device of yellow phosphorus liquid level.

Background

Yellow phosphorus belongs to a substance with extreme hazard in classification of occupational toxicant exposure hazard degree (GB504), and is an inflammable substance with fire hazard of class A. Yellow phosphorus is extremely toxic, and the lethal dose of yellow phosphorus to human is only 0.1 g. The yellow phosphorus has low ignition point, can spontaneously ignite at 30-34 deg.C in air, and spontaneously ignite and oxidize to generate P when exposed to air₂O₅And phosphorus, a lower oxide, with a pungent garlic flavor, and yellow phosphorus, which has a melting point of only 44.1 ℃.

Yellow phosphorus is a dangerous chemical which can be spontaneously combusted and has high toxicity, and has the dangers of combustion, explosion, poisoning and the like in the processes of production, transportation, storage and use, and once an accident occurs, great property loss or casualties are caused.

The yellow phosphorus is in liquid state in the processes of production, storage, transportation and use, the containers for storing the yellow phosphorus are all closed storage tanks or grooves, the yellow phosphorus is in the storage tanks or grooves, and the upper layer of the yellow phosphorus is covered by water. The presence of two different media in the tank or trough presents difficulties in measuring the level of yellow phosphorus.

Disclosure of Invention

In order to solve the problem that above-mentioned prior art exists, the utility model provides a measure device of yellow phosphorus liquid level, the device simple structure, the liquid level of yellow phosphorus in the accurate real-time measurement yellow phosphorus storage tank of ability has guaranteed the security that yellow phosphorus used.

Realize the utility model discloses the technical scheme that above-mentioned purpose adopted does:

the utility model provides a measure device of yellow phosphorus liquid level, including the yellow phosphorus storage tank, be equipped with feed liquor pipe and liquid outlet on the yellow phosphorus storage tank, still include the fixed pulley, the rope, the floating block, the balancing weight, support frame and rotary encoder, the support frame is fixed in on the yellow phosphorus storage tank top, the fixed pulley includes pulley holder, pulley and loose pulley shaft, the loose pulley shaft level sets up, bearing installation is passed through on pulley holder at the both ends of loose pulley shaft, pulley holder installs on the support frame, rotary encoder fixed mounting is on the loose pulley shaft, the quality of floating block is greater than the quality of balancing weight, the floating block sinks in the water layer in the yellow phosphorus storage tank, and the floating block floats on the liquid level of yellow phosphorus in the yellow phosphorus storage tank, the balancing weight is unsettled to be set up, and the balancing weight is located outside the yellow phosphorus storage tank, the pulley is walk.

Still include slide rail and slider, the slide rail is fixed in on the yellow phosphorus storage tank lateral wall, and the vertical setting of slide rail, the slider is connected with the balancing weight, the slider is connected with the slide rail cooperation, the slide rail is equipped with two scales with the length direction symmetry of slide rail on the just right side of balancing weight, two scales are located the both sides of slider respectively, be equipped with pointer branch on the slider, pointer branch is located the slider directly over, the one end and the slider top fixed connection of pointer branch, the other end symmetry of pointer branch is equipped with two scale pointers.

Still include explosion-proof box, fixed pulley and rotary encoder are located explosion-proof box, and the pulley support is fixed in on the explosion-proof box top, and rotary encoder is located one side of pulley.

The supporting frame comprises a fixed transverse plate, a supporting vertical plate and a supporting transverse plate, the fixed transverse plate is fixed on the top of the yellow phosphorus storage tank, the supporting transverse plate is located right above the fixed transverse plate, the top of the supporting vertical plate is connected with one edge of the supporting transverse plate, the bottom of the supporting vertical plate is fixed on one edge of the fixed transverse plate, the supporting vertical plate is respectively perpendicular to the fixed transverse plate and the supporting transverse plate, and the bottom of the explosion-proof tank is fixed on the supporting transverse plate.

Compared with the prior art, the beneficial effects and advantages of the utility model reside in that:

1. the device simple structure, the liquid level of accessible rotary encoder measurable quantity yellow phosphorus, and rotary encoder can send real-time pulse signal, send real-time signal for data processing after send for display system with the form of digit show, it is thus visible, the device can measure the liquid level of yellow phosphorus in real time, and is directly perceived accurate moreover.

2. The device can also carry out the manual work and carry out liquid level monitoring, also can carry out the artifical directly perceived accurate reading, when rotary encoder broke down, can monitor with the method of artifical reading, avoids taking place yellow phosphorus explosion accident.

3. Because yellow phosphorus is easy to explode, the device is provided with an explosion-proof box to protect the rotary encoder.

Drawings

FIG. 1 is a schematic diagram of the structure of the apparatus for measuring yellow phosphorus level.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is an assembly view of the explosion-proof case, the fixed pulley, and the rotary encoder.

FIG. 4 is an assembly view of the yellow phosphorus storage tank, the slide rail, the slide block and the weight block.

The device comprises a yellow phosphorus storage tank 1, a yellow phosphorus storage tank 2, a liquid inlet pipe 3, a liquid outlet 4, a rope 5, a floating block 6, a balancing weight 7, a rotary encoder 8, a pulley bracket 8, a pulley 9, a pulley shaft 10, a slide rail 11, a slide block 12, scales 13, a scale pointer 14, an explosion-proof box 15, a fixed transverse plate 16, a support vertical plate 17, a support transverse plate 18, a pointer supporting rod 19 and scales 20.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The structure of the device for measuring the yellow phosphorus liquid level provided by the embodiment is as shown in fig. 1, and comprises a yellow phosphorus storage tank 1, a fixed pulley, a rope 4, a floating block 5, a balancing weight 6, a support frame, a rotary encoder 7, a slide rail 11, a slide block 12 and an explosion-proof box 15.

The yellow phosphorus storage tank 1 is filled with liquid yellow phosphorus and sealed by water, so that the yellow phosphorus is prevented from contacting with air and exploding. A liquid inlet pipe 2 and a liquid outlet 3 are arranged on the yellow phosphorus storage tank 1, the liquid inlet pipe is used for supplementing yellow phosphorus, and the liquid outlet is used for flowing out yellow phosphorus.

As shown in fig. 3, the supporting frame includes a fixing cross plate 16, a supporting vertical plate 17 and a supporting cross plate 18, the fixing cross plate 16 is fixed on the top of the yellow phosphorus storage tank 1, the supporting cross plate 18 is located right above the fixing cross plate, the top of the supporting vertical plate 17 is connected with one edge of the supporting cross plate 18, the bottom of the supporting vertical plate 17 is fixed on one edge of the fixing cross plate 16, and the supporting vertical plate 17 is perpendicular to the fixing cross plate 16 and the supporting cross plate 18 respectively.

As shown in fig. 3, the bottom of the explosion-proof box 15 is fixed on a supporting cross plate 18, and the fixed pulley and the rotary encoder 7 are positioned in the explosion-proof box. The fixed pulley includes pulley support 8, pulley 9 and pulley shaft 10, and on the pulley 9 support was fixed in explosion-proof box 15 tops, pulley shaft 10 level set up, and the bearing installation was passed through on pulley support 8 at the both ends of pulley shaft 10, and pulley 9 and rotary encoder 7 are fixed mounting respectively on pulley shaft 10, and rotary encoder 7 is located one side of pulley 9.

The density of the floes 5 is greater than that of water but less than that of yellow phosphorus, and the floes 5 are not in water but float on the level of the yellow phosphorus. The mass of the floating block 5 is larger than that of the balancing weight 6, the balancing weight 6 is arranged in a suspension way, and the balancing weight 6 is positioned outside the yellow phosphorus storage tank 1. The rope 4 is wound around the pulley 9, one end of the rope 4 is connected with the floating block 5, and the other end of the rope is connected with the balancing weight 6.

As shown in fig. 2 and 4, the slide rail 11 is fixed on the outer side wall of the yellow phosphorus storage tank 1, and the slide rail 11 is vertically arranged. The slider 12 is connected with the balancing weight 6, and the slider 12 is connected with the slide rail 11 in a matching way. Two scales 20 are symmetrically arranged on the side surface of the slide rail 11 opposite to the counterweight block 6 along the length direction of the slide rail, and the two scales 20 are respectively positioned on two sides of the slide block 12. A pointer supporting rod 19 is arranged on the sliding block 12, the pointer supporting rod 19 is positioned right above the sliding block 12, one end of the pointer supporting rod 19 is fixedly connected with the top of the sliding block 12, and two scale pointers 14 are symmetrically arranged at the other end of the pointer supporting rod 19.

The working principle of the device for measuring the yellow phosphorus liquid level is as follows:

when the yellow phosphorus liquid level descends, the floating block stimulates the rope, and the rope drives the pulley rotatory, and the pulley rotation drives rotary encoder rotatory, and the total length of rotary encoder rotatory orbit equals the height that the yellow phosphorus liquid level descends, and rotary encoder directly sends pulse signal and handles for data processing system, has handled resend and has shown with digital form for the display screen, utilizes rotary encoder can real time monitoring yellow phosphorus's liquid level, and is convenient directly perceived.

The height difference of the yellow phosphorus liquid level can be manually read by reading the scale difference pointed by the scale pointer, and when the rotary encoder breaks down, the method can be used for manual monitoring, so that accidents are avoided.

Claims

1. The utility model provides a measure device of yellow phosphorus liquid level, includes the yellow phosphorus storage tank, is equipped with feed liquor pipe and liquid outlet on the yellow phosphorus storage tank, its characterized in that: still include the fixed pulley, the rope, the kicking block, the balancing weight, support frame and rotary encoder, the support frame is fixed in on the yellow phosphorus storage tank top, the fixed pulley includes the pulley support, pulley and loose pulley axle, the loose pulley axle level sets up, install on the pulley support through the bearing at the both ends of loose pulley axle, pulley fixed mounting is on the loose pulley axle, the pulley support is installed on the support frame, rotary encoder fixed mounting is on the loose pulley axle, the quality of kicking block is greater than the quality of balancing weight, the kicking block sinks in the water layer in the yellow phosphorus storage tank, and the kicking block floats on the liquid level of yellow phosphorus in the yellow phosphorus storage tank, the unsettled setting of balancing weight, and the balancing weight is located outside the yellow phosphorus storage tank, the pulley is walked around to the rope.

2. The apparatus of claim 1, wherein: still include slide rail and slider, the slide rail is fixed in on the yellow phosphorus storage tank lateral wall, and the vertical setting of slide rail, the slider is connected with the balancing weight, the slider is connected with the slide rail cooperation, the slide rail is equipped with two scales with the length direction symmetry of slide rail on the just right side of balancing weight, two scales are located the both sides of slider respectively, be equipped with pointer branch on the slider, pointer branch is located the slider directly over, the one end and the slider top fixed connection of pointer branch, the other end symmetry of pointer branch is equipped with two scale pointers.

3. The apparatus of claim 1, wherein: still include explosion-proof box, fixed pulley and rotary encoder are located explosion-proof box, and the pulley support is fixed in on the explosion-proof box top, and rotary encoder is located one side of pulley.

4. The device of claim 3, wherein the support frame comprises a fixed transverse plate, a support vertical plate and a support transverse plate, the fixed transverse plate is fixed on the top of the yellow phosphorus storage tank, the support transverse plate is located right above the fixed transverse plate, the top of the support vertical plate is connected with one edge of the support transverse plate, the bottom of the support vertical plate is fixed on one edge of the fixed transverse plate, the support vertical plate is respectively perpendicular to the fixed transverse plate and the support transverse plate, and the bottom of the explosion-proof tank is fixed on the support transverse plate.