CN217125783U - Mud tank liquid level detection device - Google Patents

Abstract

The utility model relates to the technical field of well drilling, in particular to a mud tank liquid level detection device, which comprises a tank body, wherein mud is stored in the tank body; the side wall of the detection box, which is close to the interior of the tank body, is provided with a plurality of slurry through holes from top to bottom, and the interior of the detection box is communicated with the interior of the tank body through the slurry through holes; the detection assembly comprises a plurality of elastic storage bags and a display assembly, the elastic storage bags are arranged on the side wall, far away from the interior of the tank body, of the detection box, the elastic storage bags are arranged in the vertical direction and are communicated with the interior of the detection box, the elastic storage bags comprise a storage state for storing slurry and an empty state, and when the elastic storage bags are in the storage state, the elastic storage bags act on the display assembly to enable the display assembly to mark the height of the slurry in the tank body; and the spraying assembly is arranged in the detection box to clean the detection assembly. The slurry level height measuring device can measure the slurry level height, the measuring result is accurate, and the service life is long.

Description

Mud tank liquid level detection device

Technical Field

The application belongs to the technical field of well drilling, especially, relate to a mud tank liquid level detection device.

Background

Drilling fluids, i.e., drilling muds, are "blood" for drilling construction projects, which is an essential material in conventional drilling. The drilling mud has the main functions of carrying rock debris, protecting a well wall, cooling a drill bit, transmitting power, jetting to assist in drilling and the like. Mud tanks are an important component of the drilling cycle and are a critical piece of equipment in the drilling mud circulation system.

Because the volume of the mud tank is limited, when mud is stored, the mud quantity in the tank body needs to be controlled, and the situation that the pump body equipment is damaged due to the fact that the mud in the tank is fully accumulated is prevented; when the slurry in the tank body is treated, the residual quantity of the slurry also needs to be known, and the slurry is stored in time. The cursory of placing in the mud jar is generally adopted at present stage to carry out level measurement through observing cursory position, the accuracy that can influence the level gauge is rocked in mud when storing mud, and the long-time adhesion of mud is done the sclerosis on the level gauge, can lead to unable level gauge can't measure the mud height, on the other hand, in the sensor in the level gauge need soak mud, mud is stirring or input/output in-process sensor causes the harm easily, influences the normal use of mud jar.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a arrange the tank body lateral wall in with the detection case, the mud through-hole is with detection case and the internal portion of jar intercommunication, so that the mud of internal portion equipotential of jar gets into in the detection case, the elasticity storage bag of equal position becomes storage state and can be used in display module from the idle state because of getting into mud, display module shows corresponding mud height, need not to arrange the internal portion of jar in with the sensor, flow into the detection case through mud and be used in the elasticity storage bag and can measure mud liquid level height, measuring result is accurate, long service life, and still through set up spray system in the detection case, clear up the earth granule of dry stiffening, the elasticity storage bag can't resume to the idle state and influence measuring result's accuracy in avoiding the use.

In order to solve the problems, the utility model provides a slurry tank liquid level detection device, which comprises a tank body, wherein slurry is stored in the tank body; the device comprises a detection box, wherein the detection box is arranged on the side wall of a tank body, a plurality of slurry through holes are formed in the side wall, close to the interior of the tank body, of the detection box from top to bottom, and the interior of the detection box is communicated with the interior of the tank body through the slurry through holes; the detection assembly comprises a plurality of elastic storage bags and a display assembly, the elastic storage bags are arranged on the side wall, far away from the interior of the tank body, of the detection box, the elastic storage bags are arranged in the vertical direction and are communicated with the interior of the detection box, the elastic storage bags comprise a storage state for storing slurry and an empty state, and when the elastic storage bags are in the storage state, the elastic storage bags act on the display assembly to enable the display assembly to mark the height of the slurry in the tank body; and the spraying assembly is arranged in the detection box to clean the detection assembly.

Furthermore, the detection assembly is also provided with a pushing piece, the pushing piece comprises a pushing rod and a pushing plate, one end of the pushing rod is arranged in the elastic storage bag and is connected with the inner wall of the elastic storage bag, the other end of the pushing rod is fixedly connected with the pushing plate, and the pushing plate is arranged in the detection box.

Further, still include elasticity recovery piece, elasticity recovery piece links to each other with push pedal and detection case inner wall respectively, and when elasticity storage bag was in the storage state, elasticity recovery piece was in compression state, and when elasticity storage bag was in the idle state, elasticity recovery piece was in extension state or natural extension state.

Further, the vertical baffle that is provided with in the detection case, the baffle is feeding space and stock space with the inside separation of detection case, and feeding space and stock space communicate in the baffle bottom, mud through-hole and feeding space intercommunication, elasticity storage bag and stock space intercommunication.

Furthermore, a filter screen is arranged at the position of the mud through hole.

Further, spray assembly includes high pressure nozzle, inlet tube and carriage release lever, and high pressure nozzle arranges the one end of carriage release lever in and high pressure nozzle towards the elasticity storage bag, and the inside cavity of carriage release lever, inlet tube are arranged in the carriage release lever, and the inlet tube links to each other with high pressure nozzle.

Further, the spray assembly further comprises a distance sensor and a control switch, the control switch is connected with the high-pressure spray head, the distance sensor detects the moving distance of the moving rod and transmits an electric signal to the control switch, and the control switch controls the opening and closing of the high-pressure spray head.

Furthermore, the display assembly comprises a pressure sensor and an indicator light, the pressure sensor is arranged on one side, far away from the interior of the tank body, of the elastic storage bag, the pressure sensor is electrically connected with the indicator light, and the elastic storage bag can abut against the pressure sensor so that the pressure sensor generates an electric signal and controls the indicator light to display.

Furthermore, the pressure sensors are provided with a plurality of pressure sensors which correspond to the elastic storage bags one by one, the indicating lamps are provided with a plurality of pressure sensors, and the pressure sensors are respectively electrically connected with the indicating lamps.

Furthermore, the display assembly further comprises a data processing module, a control module and an alarm, the pressure sensor is electrically connected with the data processing module, the data processing module is connected with the control module, and the control module is electrically connected with the alarm and controls the operation of the alarm.

The beneficial effects of the utility model reside in that, through arranging the detection case in jar side wall, the mud through-hole communicates detection case and jar internal portion, so that the mud of jar body equipotential gets into in the detection case, the elasticity storage bag of same position becomes storage state and can be used in display module because of getting into mud from the idle state, display module shows corresponding mud height, need not to arrange the internal portion of jar in with the sensor, flow into the detection case through mud and be used in the elasticity storage bag and can measure mud liquid level height, measuring result is accurate, long service life, and still through set up spray system in the detection case, clear up the dry earth granule of sclerosis, the accuracy that influences measuring result can't be resumeed to the idle state to elasticity storage bag in avoiding the use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the sectional structure of the present invention.

Fig. 2 is a partial structural schematic diagram of the embodiment shown in fig. 1.

Fig. 3 is a schematic structural diagram at a in the embodiment shown in fig. 2.

10, a tank body; 20. a detection box; 201. a slurry through hole; 202. a baffle plate; 203. filtering with a screen; 30. an elastic storage bladder; 301. a push rod; 302. pushing the plate; 303. an elastic restoring member; 401. a pressure sensor; 402. an indicator light; 50. and a spraying assembly.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model provides a mud tank liquid level detection device, as shown in figures 1-3, which comprises a tank body 10, wherein mud is stored in the tank body 10; the detection tank comprises a detection tank 20, wherein the detection tank 20 is arranged on the side wall of a tank body 10, a plurality of slurry through holes 201 are formed in the side wall, close to the interior of the tank body 10, of the detection tank 20 from top to bottom, and the interior of the detection tank 20 is communicated with the interior of the tank body 10 through the slurry through holes 201; the detection assembly comprises a plurality of elastic storage bags 30 and a display assembly, the elastic storage bags 30 are arranged on the side wall, far away from the interior of the tank body 10, of the detection box 20, the elastic storage bags 30 are arranged in the vertical direction, the elastic storage bags 30 are communicated with the interior of the detection box 20, the elastic storage bags 30 comprise a storage state for storing slurry and a vacant state, and when the elastic storage bags 30 are in the storage state, the elastic storage bags 30 act on the display assembly to enable the display assembly to mark the height of the slurry in the tank body 10; and the spraying assembly 50 is arranged inside the detection box 20 to clean the detection assembly 50.

The detection box 20 is installed on the side wall of the tank body, the detection box 20 can be arranged in the tank body or outside the tank body, a plurality of slurry through holes 201 are formed in the side wall, close to the tank body, of the detection box 20 from top to bottom, so that slurry in the tank body enters the detection box 20 through the slurry through holes 201, a plurality of elastic storage bags 30 are arranged on the side wall corresponding to the slurry through holes 201, openings of the elastic storage bags are communicated with the interior of the detection box 20, each elastic storage bag 30 comprises a storage state and an empty state, when the heights of the slurry in the detection box 20 are the same, slurry with a certain volume is stored in the elastic storage bags 30 below the slurry liquid level height, the elastic storage bags 30 are elastically deformed towards one side far away from the interior of the detection box 20, namely, the elastic storage bags are expanded and deformed towards the left side, so that the left ends of the elastic storage bags 30 act on the display assembly for a long time, and the display assembly marks corresponding liquid level height values. When the volume of the slurry in the tank body is reduced, the height of the slurry in the detection box 20 is reduced, the slurry in the elastic storage bag 30 with the slurry surface height above flows out and is gradually reduced until the vacant state is recovered, the spraying system cleans the elastic storage bag 30 in the vacant state and washes away the slurry adhered to the inner wall of the elastic storage bag 30, so that the elastic storage bag 30 is better recovered to the vacant state, and the detection device can more accurately and dynamically reflect the real volume of the slurry in the tank body.

The utility model provides a new detection device, through arranging detection box 20 in the jar side wall, mud through-hole 201 will detect box 20 and jar internal intercommunication, so that the mud of jar internal 10 gets into in detection box 20, the elastic storage bag 30 of equal position changes from vacant state to storage state because of getting into mud, and can act on the display module, the display module shows corresponding mud height, need not to arrange the sensor in jar internal, can measure mud liquid level height through mud inflow detection box 20 and act on in elastic storage bag 30, the measuring result is accurate, and according to mud liquid level change quick response corresponding numerical value, long service life, avoid in the stirring mud process of jar body because of the rotatory disturbance of mud, and cause level sensor to receive the damage, the inaccurate or the reciprocal condition emergence of fluctuation of numerical value, and still through setting up spray system in detection box 20, the dry hardened soil particles are cleaned, and the phenomenon that the elastic storage bag 30 cannot contract to an empty state towards one side inside the detection box 20 due to the dry hardening of the slurry is avoided, so that the accuracy of the measurement result is influenced.

It should be noted that, in this embodiment, the display component may be an electronic component such as a pressure sensor, the elastic storage bag acts on the electronic component, and the data acquisition and processing system amplifies the signal and calculates to obtain a corresponding volume value and displays the corresponding volume value, or directly sets a graduated scale or a volume scale on the sidewall of the tank body, and obtains the actual volume in the tank body from the highest graduated scale displayed by the display component, but the display component may also be other mechanical structures, for example, a fixed plate is disposed on the detection box near one side of the elastic storage bag, a self-recovery moving rod is disposed on the fixed plate corresponding to the elastic storage bag, after the elastic storage bag stores a certain amount of slurry, the outermost side of the elastic storage bag acts on the self-recovery push rod, so that the self-recovery push rod protrudes to the side far from the fixed plate, and can also display the actual liquid level in the tank body, and is not limited to one embodiment.

In addition, the mud in the tank body can be subjected to solid-liquid separation after standing for a long time, the mud in the tank body needs to be stirred during use, and the side wall of the detection box is provided with a plurality of mud through holes with small apertures, so that the disturbance of the mud in the detection box due to the rotation of the mud in the tank body can be reduced, the mud in the elastic storage bag is kept in a relatively stable state, and the frequent change of a measurement value is avoided. Of course, it is also possible to program the display element to move or to display a certain value only if the elastic reservoir acts on the display element for a long time. In this embodiment, the elastic storage bag may be made of an elastic rubber material, and the elastic storage bag is configured to be spherical or hemispherical and is fixedly connected to the detection box. In the present invention, the left and right directions are the left and right sides in the lateral direction shown in fig. 1.

It should be further noted that, as shown in fig. 2 and 3, in order to make the left end of the elastic storage bag 30 better act on the display assembly, and also in order to reduce the sagging of the elastic storage bag 30 due to the gravity of the slurry and make it unable to act on the display assembly, the detection assembly is further provided with a pushing member, the pushing member includes a push rod 301 and a push plate 302, one end of the push rod 301 is disposed in the elastic storage bag 30 and fixedly connected with the inner wall of the elastic storage bag 30, the other end of the push rod 301 is fixedly connected with the push plate 302, and the push plate 302 is disposed in the detection box 20. Therefore, when the elastic storage bag 30 stores mud and is elastically deformed to move to one side far away from the detection box 20, the elastic storage bag 30 can drive the pushing piece to move to the left side shown in fig. 1, the push rod 301 can assist and support the elastic storage bag 30, and the push rod 301 can also help the elastic storage bag 30 to act on the display assembly, so that the detection device is sensitive in reaction, the length of the push plate 302 is greater than the diameter of the opening of the elastic storage bag 30, and the push rod 301 is prevented from being clamped in the elastic storage bag 30 and cannot move in the reciprocating process.

In this embodiment, a rail for assisting the pushing member to move linearly right and left may be provided on a side wall of the detection box near the elastic reservoir 30.

More specifically, as shown in fig. 3, the elastic recovery member 303 is further included, the elastic recovery member 303 is respectively connected to the push plate 302 and the inner wall of the detection box 20, when the elastic storage bag 30 is in the storage state, the elastic recovery member 303 is in the compressed state, and when the elastic storage bag 30 is in the empty state, the elastic recovery member 303 is in the extended state or the natural extended state. The elastic restoring piece 303 can be selected from a spring and other structures, one end of the elastic restoring piece 303 can be arranged on the side wall of one side of the elastic storage bag 30 or on the side wall of one side of the slurry through hole 201, the other end of the elastic restoring piece 303 is fixedly connected with the right side surface of the push plate 302, and when the elastic storage bag 30 is in a storage state, the elastic restoring piece 303 is in a compressed or extended state; after the mud in the elastic storage bag 30 flows out, the elastic restoring piece 303 drives the push plate 302 to move to one side close to the mud through hole 201 under the action of self elastic force, so that the end part of the elastic storage bag 30 is quickly restored to an empty state under the driving of the push rod 301, the detection device can quickly display corresponding height or volume according to the change of the mud liquid level, and the sensitivity of the detection device is improved.

In a preferred embodiment, a baffle 202 is vertically arranged in the detection box 20, the baffle 202 divides the interior of the detection box 20 into a feeding space and a material storage space, the feeding space and the material storage space are communicated at the bottom of the baffle 202, the slurry through hole 201 is communicated with the feeding space, and the elastic storage bag 30 is communicated with the material storage space. In order to reduce the mud in the stirring tank body, the mud in the detection box 20 flows in a reciprocating and circulating manner to cause the mud to repeatedly flow into and out of the elastic storage bag 30 which is higher than the normal liquid level, so that the liquid level detection result is inaccurate or the numerical value frequently changes, therefore, the baffle plate 202 is vertically arranged in the detection box 20, the mud enters the feeding space on the right side of the baffle plate 202 from the mud through hole 201, flows into the storage space through the lower part of the baffle plate 202 and enters the elastic storage bag 30 with the corresponding height, the mud flowing in the detection box 20 is blocked, the fluidity of the mud in the detection box 20 is reduced, and the accuracy of the detection result is improved.

It is further noted that, as shown in fig. 1 and 2, a filter screen 203 is disposed at the mud through hole 201. In order to prevent the solid particles in the slurry from entering the detection box 20 and the elastic storage bag 30 and affecting the subsequent use of the elastic storage bag 30, a filter screen 203 is installed at the slurry through hole 201 on the right side wall of the detection box 20 so as to filter the impurity particles in the slurry liquid passing through the slurry through hole 201.

More specifically, as shown in fig. 1 and 3, the spray assembly 50 includes a high pressure nozzle, a water inlet pipe, and a moving rod, the high pressure nozzle is disposed at one end of the moving rod and faces the elastic storage bag 30, the moving rod is hollow inside, the water inlet pipe is disposed in the moving rod, and the water inlet pipe is connected to the high pressure nozzle. For improving spraying system's efficiency, reduce the clean time to elastic storage bag 30, spraying system is provided with high pressure nozzle and carriage release lever, all set up high pressure nozzle inlet tube on the carriage release lever, after the decline of mud height in detection case 20, the carriage release lever moves down, the shower nozzle can move to the elastic storage bag 30 right side under the idle state, the shower nozzle is a little more than push pedal 302, and the shower nozzle downward sloping, make rivers slope from the push pedal top get into elastic storage bag 30 inside, spray assembly 50 sprays high-pressure rivers to elastic storage bag 30 one by one, make the mud that glues on elastic storage bag 30 inner wall washed away fast, the carriage release lever that upwards moves again after the cleanness is accomplished, make high pressure nozzle arrange the top of detection case 20 inner wall in, avoid stopping up high pressure nozzle after the mud liquid level rises. Generally, to reduce slurry from overflowing the detection box 20 from the moving rod, the moving rod may be provided as a hollow structure, and the inlet pipe may be disposed inside the moving rod.

As a preferred embodiment, the spray assembly 50 further includes a distance sensor and a control switch, the control switch is connected to the high-pressure nozzle, the distance sensor detects the moving distance of the moving rod and transmits an electric signal to the control switch, and the control switch controls the on/off of the high-pressure nozzle. In order to improve the automation of the detection equipment and the cleaning efficiency of the elastic storage bags 30, a distance sensor can be arranged on the moving rod or the detection box 20, the numerical value of the distance between two adjacent elastic storage bags 30 is input into the distance sensor, when the downward moving distance of the high-pressure nozzle at one end of the moving rod reaches a set value, the distance sensor generates an electric signal and transmits the electric signal to the control switch, and the control switch controls the opening and closing of the high-pressure nozzle.

It should be noted that, as shown in fig. 3, the display assembly includes a pressure sensor 401 and an indicator light 402, the pressure sensor 401 is disposed on a side of the elastic storage bladder 30 away from the interior of the tank 10, the pressure sensor 401 is electrically connected to the indicator light 402, and the elastic storage bladder 30 can abut against the pressure sensor 401 to enable the pressure sensor 401 to generate an electric signal and control the indicator light 402 to display. The outer side wall of the detection box 20 is provided with a mounting plate, one side of the mounting plate, which is close to the detection box 20, is provided with a pressure sensor 401, the elastic storage bag 30 stores mud, moves to the left and acts on the pressure sensor 401, and after the pressure value of the pressure sensor 401 changes, a corresponding electric signal generated is transmitted to the control system, and finally the display or the turn-on of the indicator light 402 is controlled.

In this embodiment, a plurality of indicator lights can be arranged along the height of the tank body, and the pressure sensor transmits corresponding electric signals according to the pressure acting on the pressure sensor and controls the indicator lights at corresponding positions to be turned on through a certain control system; or the indicator light is set to be in a display screen form, the actual liquid level height in the tank body is obtained through certain logic operation according to the electric signal transmitted by the pressure sensor and is finally displayed by the display screen, and the control system can select a PLC or other programmable logic controllers and is not limited to an implementation mode. The pressure sensor 401 and indicator light 402 may optionally be removably attached to the test chamber 20 for subsequent replacement and repair.

Preferably, in order to improve accuracy and avoid that the detection device cannot display due to damage of a single pressure sensor 401, as shown in fig. 1 and 2, a plurality of pressure sensors 401 may be provided and correspond to the elastic storage bags 30 one by one, a plurality of indicator lamps 402 are provided, and the plurality of pressure sensors 401 are electrically connected to the indicator lamps 402, respectively. So that the indicator light 402 is on below the tank level. When the mud in the elastic reservoir bladder 30 flows out, it no longer acts on the pressure sensor 401, the corresponding pressure sensor 401 no longer outputs an electrical signal, and the indicator light 402 connected to the pressure sensor 401 no longer lights up. If single damage, can be through observing whether the approximate volume of the internal mud of jar of work judgement lamp 402 about it, whether convenient moreover is shining through observing lamp 402 under night or the dark environment, learns the volume of the internal mud of jar, improves detection device's practicality.

Of course, another embodiment may be that only one pressure sensor is provided, and different electrical signals are transmitted according to the magnitude of the pressure acting on the pressure sensor, and the control system controls the opening or closing of the corresponding indicator light.

In addition, it should be noted that, in order to avoid the influence of the mud fluctuation in the tank body on the detection, when the system is set, only the elastic storage bag acts on the pressure sensor for a period of time, and then the pressure sensor outputs an electric signal, so that the accuracy of the detection device is improved.

More specifically, the display assembly further comprises a data processing module, a control module and an alarm, the pressure sensor 401 is electrically connected with the data processing module, the data processing module is connected with the control module, and the control module is electrically connected with the alarm and controls the operation of the alarm. The utility model discloses in, because a large amount of mud need be stored to the internal portion of jar, only need survey its inside mud numerical value in certain extent interval, for example minimum measurement unit can be L, need not to measure the more accurate numerical value of its inside mud, detection case 20 can set up the first half at the jar body, be less than behind a definite value or safe value when the internal mud content of jar, the inside mud that does not have of elastic storage bag 30 of lower, corresponding pressure sensor 401 no longer transmits the signal of telecommunication of pressure, data processing module can not receive behind the signal of telecommunication of bottommost pressure sensor 401, self produces signal transmission and gives control module, control module control alarm opens, the alarm sends flash of light or sound, remind or warn people, make people in time to jar internal portion supplementary mud.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A mud tank liquid level detection device comprises a tank body, wherein mud is stored in the tank body; the method is characterized in that:

the side wall of the detection box, which is close to the inside of the tank body, is provided with a plurality of slurry through holes from top to bottom, and the slurry through holes communicate the inside of the detection box with the inside of the tank body;

the detection assembly comprises a plurality of elastic storage bags and a display assembly, the elastic storage bags are arranged on the side wall, away from the interior of the tank body, of the detection box, the elastic storage bags are arranged along the vertical direction and are communicated with the interior of the detection box, the elastic storage bags comprise a storage state for storing slurry and a vacant state, and when the elastic storage bags are in the storage state, the elastic storage bags act on the display assembly to enable the display assembly to mark the height of the slurry in the tank body;

and the spraying assembly is arranged inside the detection box to clean the detection assembly.

2. The mud tank liquid level detection device of claim 1, wherein the detection assembly is further provided with a pushing member, the pushing member comprises a pushing rod and a pushing plate, one end of the pushing rod is arranged in the elastic storage bag and connected with the inner wall of the elastic storage bag, the other end of the pushing rod is fixedly connected with the pushing plate, and the pushing plate is arranged in the detection box.

3. The mud tank liquid level detection device of claim 2, further comprising an elastic restoring member, wherein the elastic restoring member is connected to the push plate and the inner wall of the detection box, respectively, and is in a compressed state when the elastic storage bag is in a storage state, and is in an extended state or a natural extended state when the elastic storage bag is in a vacant state.

4. The mud tank liquid level detection device of claim 1, wherein a baffle is vertically arranged in the detection box, the baffle divides the interior of the detection box into a feeding space and a material storage space, the feeding space and the material storage space are communicated with the bottom of the baffle, the mud through hole is communicated with the feeding space, and the elastic storage bag is communicated with the material storage space.

5. The mud tank level detecting device of claim 1, wherein a screen is disposed at said mud through hole.

6. The mud tank liquid level detection device of claim 1, wherein the spray assembly comprises a high pressure nozzle, a water inlet pipe and a moving rod, the high pressure nozzle is arranged at one end of the moving rod and faces the elastic storage bag, the moving rod is hollow inside, the water inlet pipe is arranged in the moving rod, and the water inlet pipe is connected with the high pressure nozzle.

7. The mud tank liquid level detection device of claim 6, wherein the spray assembly further comprises a distance sensor and a control switch, the control switch is connected with the high-pressure nozzle, the distance sensor detects the moving distance of the moving rod and transmits an electric signal to the control switch, and the control switch controls the on-off of the high-pressure nozzle.

8. The mud tank level detecting device of claim 1, wherein the display assembly comprises a pressure sensor and an indicator light, the pressure sensor is disposed on a side of the elastic storage bag away from the tank body, the pressure sensor is electrically connected with the indicator light, and the elastic storage bag can abut against the pressure sensor to enable the pressure sensor to generate an electric signal and control the indicator light to display.

9. The mud tank liquid level detection device of claim 8, wherein a plurality of pressure sensors are arranged and correspond to the elastic storage bags one by one, a plurality of indicator lamps are arranged, and a plurality of pressure sensors are respectively electrically connected with the indicator lamps.

10. The mud tank liquid level detection device of claim 8, wherein the display assembly further comprises a data processing module, a control module and an alarm, the pressure sensor is electrically connected with the data processing module, the data processing module is connected with the control module, and the control module is electrically connected with the alarm and controls the operation of the alarm.

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