CN219563665U - Slurry changing machine - Google Patents

Abstract

The utility model discloses a pulp changer, which comprises: the stirring device comprises a container for containing slurry, a stirring paddle positioned in the container, and a motor positioned outside the container and connected with the stirring paddle, wherein the motor is used for driving the stirring paddle to rotate; the measuring device comprises a liquid level sensor, a pressure sensor and a controller electrically connected with the liquid level sensor and the pressure sensor. The slurry changing machine can prepare new slurry by using the original slurry, and reduces waste and pollution.

Description

Slurry changing machine

Technical Field

The utility model relates to the configuration of slurry, in particular to a slurry changing machine.

Background

In the preparation of slurries, a mixing drum is typically used, which has a drum body and paddles.

When the cement mortar is used, cement is added into the barrel according to the proportion, meanwhile, water is added into the barrel, then, the stirring paddle is started, and the cement and the water are mixed into slurry meeting the requirement under the stirring action of the stirring paddle.

When the slurry with another ratio is needed to be prepared, another stirring barrel is needed, or the slurry in the original stirring barrel is discharged cleanly and then is prepared again.

However, the slurry can be kept for a short time, and when the slurry with another proportion is prepared, the original slurry is mostly discarded, so that the slurry is wasted and pollutes the environment.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a slurry changing machine which can prepare new slurry by using original slurry, thereby reducing waste and pollution.

According to an embodiment of the first aspect of the present utility model, a pulp grinder comprises:

the stirring device comprises a container for containing slurry, a stirring paddle positioned in the container, and a motor positioned outside the container and connected with the stirring paddle, wherein the motor is used for driving the stirring paddle to rotate;

the measuring device comprises a liquid level sensor, a pressure sensor and a controller electrically connected with the liquid level sensor and the pressure sensor.

According to the pulping machine of the embodiment of the first aspect of the utility model, the container is a barrel body, the top of the barrel body is open, the top of the barrel body is provided with a cross beam, and the motor is fixed on the cross beam.

According to the grouting machine provided by the embodiment of the first aspect of the utility model, the liquid level sensor is arranged on the cross beam and comprises a measuring rod extending up and down, a buoy sleeved on the measuring rod, a mounting plate connected with the top end of the measuring rod and a sensing body positioned at the top of the mounting plate, and the mounting plate is fixed with the cross beam.

According to an embodiment of the first aspect of the present utility model, the cross beam comprises two side-by-side support rods, the two support rods support the motor and the liquid level sensor, and the two support rods are used for accommodating the measuring rod to pass through.

According to an embodiment of the first aspect of the utility model, the stirring paddle comprises a transmission shaft connected with the motor and a blade positioned at the bottom of the transmission shaft.

According to the first aspect of the embodiment of the utility model, the paddle is perpendicular to the transmission shaft, and the paddle is obliquely arranged.

According to an embodiment of the first aspect of the utility model, the end of the blade away from the transmission shaft is provided with an oblique angle.

According to an embodiment of the first aspect of the utility model, the blade is provided with a number of homogenizing bars.

According to the pulp changer of the embodiment of the first aspect of the utility model, the homogenizing rods are vertically arranged, and a plurality of the homogenizing rods are arranged along the radial direction of the blade.

According to an embodiment of the first aspect of the utility model, the homogenizing rod comprises an upper half rod positioned at the top of the blade and a lower half rod positioned at the bottom of the blade, wherein the length of the upper half rod is longer than that of the lower half rod.

The pulp changer has at least the following beneficial effects:

1. according to the utility model, the measuring device is arranged, so that the measuring device comprises the liquid level sensor and the pressure sensor, the volume of the slurry can be measured through the liquid level sensor, the density of the slurry can be measured through the cooperation of the liquid level sensor and the pressure sensor, and the number of the pressure sensors is reduced.

2. According to the utility model, by arranging the controller, the required added fresh water amount and cement amount can be obtained by comparing the volume and density difference of the existing slurry and the target slurry, so that the original slurry is utilized to manufacture new slurry, the original slurry is not required to be abandoned, and the waste and pollution are reduced.

3. By arranging the stirring device, the slurry can be stirred in the measuring and preparing processes, so that the cement and the water are fully mixed, the detection accuracy is improved, and a new slurry is conveniently and rapidly prepared.

4. The utility model can also realize full-automatic grouting work by additionally arranging the automatic adding mechanism, thereby improving the efficiency and saving the labor.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a slurry machine according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing a partial structure of a stirring device of the slurry-changing machine of FIG. 1;

FIG. 3 is a schematic view of the fluid level sensor of the slurry machine of FIG. 1;

fig. 4 is a schematic view of the structure of the pressure sensor of the pulp mill of fig. 1.

Reference numerals: 1-container, 2-stirring paddle, 3-motor, 4-liquid level sensor, 5-pressure sensor, 6-crossbeam, 7-measuring stick, 8-buoy, 9-mounting panel, 10-sensing body, 11-transmission shaft, 12-paddle, 13-homogenizing rod.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A pulp grinder according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1, the present utility model is directed to an embodiment of a pulp mill.

In this embodiment, the pulp changer mainly includes a stirring device and a measuring device.

In some embodiments of the utility model, the machine further comprises a feeding device for feeding cement and fresh water.

The structure for supplying clean water can be a combination of a water tank, a water pipe and a valve, and can also only comprise a combination of the water pipe connected with a tap water pipe and the valve, and the valve can be manual or automatic.

For the case where the valve is manual, a bucket or cylinder may be provided to accurately feed water.

The structure for supplying cement may include a hopper and a weighing table, the cement being loaded into the hopper, the hopper and the cement being weighed on the weighing table and then poured into the stirring device.

Referring to fig. 2, for a stirring apparatus, the stirring apparatus includes a vessel 1 for accommodating slurry, a stirring paddle 2 disposed in the vessel 1, and a motor 3 disposed outside the vessel 1 and connected to the stirring paddle 2, the motor 3 being configured to drive the stirring paddle 2 to rotate.

In some embodiments of the present utility model, the container 1 may be a tub or a can.

The barrel body and the tank body can be vertical or horizontal, and can be opened upwards or opened laterally.

In some specific embodiments of the present utility model, the container 1 is preferably a barrel body with an open top, which is low in manufacturing cost, convenient for feeding and stirring, and particularly, convenient for calculating the volume, convenient for preparing new slurry by using original slurry, and low in preparation difficulty.

In some specific embodiments of the present utility model, a beam 6 may be disposed at the top of the tub, and the motor 3 is fixed on the beam 6, so as to reduce the installation difficulty of the motor 3.

In some specific embodiments of the present utility model, the cross beam 6 may include two side-by-side support rods, where the two support rods support the motor 3, and the motor 3 is correspondingly provided with a bottom plate, where the bottom plate is connected to the two support rods, so as to stably support the motor 3, and at the same time, make the stirring paddle 2 and the motor 3 distributed uniformly, and reduce stirring vibration.

In some embodiments of the utility model, the stirring paddle 2 may be made to include a drive shaft 11 connected to the motor 3, and a blade 12 located at the bottom of the drive shaft 11.

It is easy to learn that, in this embodiment, by setting the transmission shaft 11 and the paddle 12, the slurry at the bottom of the barrel body can be conveniently stirred, so that the slurry is uniform and has uniform density.

In some embodiments of the present utility model, the paddles 12 may be provided in a plurality of paddles 12 arranged up and down so as to agitate the slurry at different depths.

In some embodiments of the utility model, the blades 12 may be arranged perpendicular to the drive shaft 11, with the blades 12 being inclined.

Easily learn, paddle 12 perpendicular to transmission shaft 11 can reduce the occupation space of direction of height, conveniently arranges, still makes each position of paddle 12 all be close to the barrel head of staving, and then, all brings up the cement of the barrel head of staving, avoids the deposit.

Simultaneously, the paddle 12 is arranged obliquely, so that the cement lifting capacity is enhanced, the up-and-down flow of cement and water is promoted, and the slurry is more uniformly mixed.

In some embodiments of the utility model, the end of the blade 12 remote from the drive shaft 11 may be provided with a bevel.

It is easily understood that by providing the bevel angle, the present embodiment can reduce the rotational resistance, facilitate cutting of cement by the blade 12, and avoid caking of cement.

Meanwhile, the oblique angle is arranged, so that the formation of an avoidance area at the tail end of the blade 12 is avoided, and cement is prevented from being bonded on the blade 12.

In some specific embodiments of the utility model, the blade 12 may be provided with several homogenizing bars 13.

It is easy to learn that the stirring range of the blade 12 can be increased and the stirring efficiency can be improved by providing the homogenizing rod 13.

In some specific embodiments of the present utility model, the homogenizing rod 13 may be arranged upright, and a plurality of homogenizing rods 13 are arranged in the radial direction of the blade 12.

It is easily understood that the present embodiment can enhance the stirring ability of the region near the drive shaft 11 by improving the arrangement of the homogenizing rod 13, and at the same time, increase the stirring range of the stirring paddle 2 in the up-down direction, and promote the stirring efficiency.

In some specific embodiments of the utility model, the homogenizing rod 13 may be made to comprise an upper half rod at the top of the blade 12, a lower half rod at the bottom of the blade 12, the length of the upper half rod being greater than the length of the lower half rod.

It is easy to learn that, in this embodiment, by changing the distribution range of the homogenizing rod 13, the stirring capability of the stirring paddle 2 is not affected, and the paddle 12 is further close to the bottom of the barrel body, so that slurry is prevented from adhering to the bottom of the barrel, the slurry is uniform, and the influence on the measurement result due to shielding of the pressure sensor 5 is avoided.

Referring to fig. 3 and 4, for the measuring apparatus, the measuring apparatus includes a liquid level sensor 4, a pressure sensor 5, and a controller electrically connected to the liquid level sensor 4 and the pressure sensor 5, and the controller may be a PLC or the like, so as to meet corresponding control and analysis requirements.

Referring to fig. 3, the liquid level sensor 4 is disposed on the cross beam 6, the liquid level sensor 4 includes a measuring rod 7 extending up and down, a buoy 8 sleeved on the measuring rod 7, a mounting plate 9 connected to the top end of the measuring rod 7, and a sensing body 10 located on the top of the mounting plate 9, wherein the mounting plate 9 is fixed to the cross beam 6, and in detail, the measuring rod 7 extends downward from between the two support rods.

It will be appreciated that the mounting plate 9 enables the level sensor 4 to be mounted stably, avoiding skew which would affect the accuracy and sensitivity of the measurement.

Therefore, it is easy to know that the float 8 floats on the liquid surface under the buoyancy of the slurry, the depth of the slurry can be measured due to the sensing action of the measuring rod 7, and the volume of the slurry existing in the barrel can be calculated according to the specification of the barrel.

Meanwhile, according to the pressure detected by the pressure sensor 5, the density of the existing slurry in the tub can be known by using a pressure formula.

Then, according to the volume, density and corresponding preparation ratio of the target slurry, the addition amount of cement and clear water is calculated, and finally, the manual addition or automatic addition is carried out, so that the existing slurry is prepared into the target slurry, namely, the existing slurry is utilized to prepare the target slurry without discarding the existing slurry. Specifically, the method comprises the following steps:

1. measuring the liquid level height h by a liquid level sensor;

2. measuring the pressure value P of the liquid to the bottom of the barrel through a pressure sensor;

3. calculating a liquid density value through a formula ρ=p/g.h;

4. when there is surplus slurry in the barrel, since the radius of the barrel is a fixed value d, the weight m=ρpi d of the surplus slurry in the barrel can be calculated ² h, further, the cement weight m contained in the residual slurry can be calculated _{Residual cement content} Weight with water m _{Residual water quantity} 。

It should be noted that the ratio of cement to water corresponds to the density of the slurry, and the weight of cement and the weight of water in the residual slurry should be calculated according to a relationship comparison table in the industry, or the relationship comparison table is obtained by self-preparation and statistics, and then the application is performed.

5. When the slurry formulation ratio is changed, the target cement amount m can be calculated according to the prepared target slurry capacity _{Target cement amount} And the target water quantity m _{Target water volume} 。

6. The cement amount actually required to be added is m _{Actual cement quantity} ＝m _{Target cement amount} -m _{Residual cement content} 。

7. The water quantity actually required to be added is m _{Actual water quantity} ＝m _{Target water volume} -m _{Residual water quantity} 。

8. According to m _{Actual cement quantity} And m is equal to _{Actual water quantity} Adding and stirring to obtain target slurry.

Referring to fig. 4, in some embodiments of the present utility model, the pressure sensor 5 may be a ceramic pressure sensor to improve accuracy and accommodate slurry grits.

To sum up, first, the present embodiment is to provide a measuring device including a liquid level sensor 4 and a pressure sensor 5, so that the volume of slurry can be measured by the liquid level sensor 4, the density of slurry can be measured by the cooperation of the liquid level sensor 4 and the pressure sensor 5, and the number of the pressure sensors 5 can be reduced.

Secondly, the controller is arranged, so that the required added fresh water amount and the required cement amount can be obtained by comparing the volume and the density difference of the existing slurry and the target slurry, and the original slurry is utilized to manufacture new slurry, the original slurry is not required to be abandoned, and waste and pollution are reduced.

Moreover, this embodiment through setting up agitating unit, can also stir thick liquid in measurement and preparation in-process for cement and water intensive mixing improve the precision that detects, conveniently prepare new thick liquid fast.

In addition, the embodiment can also realize full-automatic grouting work by additionally arranging the automatic adding mechanism, so that the efficiency is improved, and the labor is saved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A pulp changer, comprising:

the stirring device comprises a container for containing slurry, a stirring paddle positioned in the container, and a motor positioned outside the container and connected with the stirring paddle, wherein the motor is used for driving the stirring paddle to rotate;

the measuring device comprises a liquid level sensor, a pressure sensor and a controller electrically connected with the liquid level sensor and the pressure sensor.

2. A machine as claimed in claim 1, wherein the container is a tub, the top of the tub is open, the top of the tub is provided with a cross beam, and the motor is fixed to the cross beam.

3. The pulp grinder of claim 2, wherein the liquid level sensor is disposed on the cross beam, and the liquid level sensor comprises a measuring rod extending up and down, a buoy sleeved on the measuring rod, a mounting plate connected with the top end of the measuring rod, and a sensing body positioned on the top of the mounting plate, and the mounting plate is fixed with the cross beam.

4. A machine according to claim 3, wherein the cross-beam comprises two side-by-side support bars, two of which support the motor and the level sensor, the two support bars receiving the measuring bar therebetween.

5. A machine as claimed in claim 1, wherein the paddles comprise a drive shaft connected to the motor, paddles at the bottom of the drive shaft.

6. A machine as claimed in claim 5, wherein said blades are perpendicular to said drive shaft, said blades being disposed at an incline.

7. A machine as claimed in claim 5, wherein the end of the blade remote from the drive shaft is provided with a bevel.

8. A machine as claimed in claim 5, wherein the blades are provided with a number of homogenizing bars.

9. A machine as claimed in claim 8, wherein said bars are arranged vertically, a plurality of said bars being arranged radially of said blades.

10. A machine as claimed in claim 9, wherein the homogenizing rod comprises an upper half rod at the top of the blade and a lower half rod at the bottom of the blade, the upper half rod having a length greater than the length of the lower half rod.