CN204758088U - Flotation column liquid level measurement device - Google Patents

Abstract

The utility model discloses a flotation column liquid level measuring device, which comprises a flotation column container, a floating ball mounting bracket is arranged on the top of the flotation column container, a lifting pipe guiding cylinder is fixed on the floating ball mounting bracket, and the lifting pipe guiding cylinder A lifting tube is inserted, and a floating ball is fixed at the lower end of the lifting tube. The upper surface of the floating ball mounting bracket is provided with an instrument mounting bracket, and a liquid level transmitter is installed on the instrument mounting bracket. The liquid level transmitter includes a vertical detection rod. The center line of the detection rod and the center line of the lift pipe are on the same straight line with the float looped on the detection rod. The detection rod extends from the upper end of the lift pipe to the inside of the lift pipe, and the float is located on the upper nozzle of the lift pipe; the float ball The lower surface of the mounting bracket is provided with at least two floating ball guide rods, the floating ball is provided with floating ball guiding lugs, and the floating ball guiding rods pass through the vertical circular holes of the floating ball guiding lugs. It is a more accurate flotation column liquid level measurement device, which can avoid the influence of the disturbance of the medium in the flotation column on the measurement.

Description

Flotation column liquid level measuring device

technical field

The utility model relates to a flotation column liquid level measuring device, in particular to a flotation column liquid level measuring device for coal and ore dressing.

Background technique

Flotation column is a common equipment for coal preparation and ore dressing. Accurate and reliable detection of the liquid level in the flotation column has always been a difficult problem in production. The liquid level of the flotation column directly affects the stability of the flotation column.

The medium in the flotation column has a high viscosity, and there is a layer of bubble layer material (usually foam) above the liquid level, and the internal material disturbance is large. Conventional radar level gauges, ultrasonic level gauges, float level gauges, differential Due to the special working conditions, the liquid level gauge cannot be detected or the reliability is poor, and the liquid level detection is inaccurate.

Utility model content

In view of the existing problems, the purpose of the utility model is to provide a flotation column liquid level measuring device with reliable measurement and low cost.

In order to achieve the above object, the technical solution of the present invention is: a flotation column liquid level measuring device, including a flotation column container, characterized in that: a floating ball mounting bracket is arranged on the top of the flotation column container, and the floating The ball mounting bracket is provided with a through hole with the axis extending up and down, and the guide tube of the lift tube is fixed in the through hole, and the lift tube is inserted into the guide tube of the lift tube, and the lower end of the lift tube extends into the container of the flotation column Connected with the floating ball, the upper surface of the floating ball mounting bracket is provided with an instrument mounting bracket, and a liquid level transmitter is installed on the instrument mounting bracket, and the liquid level transmitter includes a vertical detection rod and a looper The float on the detection rod, the center line of the detection rod is on the same straight line as the center line of the lift tube, the detection rod extends from the upper end of the lift tube into the lift tube, and the float is located on the upper nozzle of the lift tube ;

The lower surface of the floating ball mounting bracket is provided with at least two floating ball guiding rods, the floating ball is located between the floating ball guiding rods, and the floating ball is provided with floating ball guiding lugs corresponding to the floating ball guiding rods. A circular hole for the floating ball guide rod to pass through is provided on the floating ball guiding lug, and the floating ball guiding rod passes through the circular hole of the floating ball guiding lug.

With the above scheme, the floating ball is in contact with the medium in the flotation column container. When the liquid level in the flotation column container changes, the floating ball drives the lifting tube to move up and down, and the lifting tube drives the float to move up and down along the detection rod, so that the liquid level changes. The transmitter detects the liquid level of the medium in the flotation column container, which can avoid the interference of the bubble layer material in the flotation column container.

In addition, we set up the guide rods of the float balls, so that even if there is a large disturbance in the medium in the flotation column container, it can also ensure that the float balls can only move vertically up and down between the guide rods, making the measurement reliable.

The utility model avoids the direct contact of the float of the liquid level transmitter with the medium, the lift of the float will not be affected by the viscosity and crystallization of the medium, and the instrument will not be polluted due to production operation errors and spilled materials. Long service life and low maintenance cost.

In the above scheme: the instrument mounting bracket is an L-shaped bracket composed of an upper horizontal bar and a lower vertical bar, the liquid level transmitter is installed on the upper horizontal bar, and the instrument mounting bracket passes through the lower vertical bar Secured to the float mounting bracket. This is convenient for fixing.

In the above scheme: there are two floating ball guide rods, the two floating ball guiding rods are arranged oppositely, and the floating ball guiding lugs are respectively provided on the opposite sides of the floating ball. The guide rod and the float guide lugs are arranged symmetrically, so that the balance is better.

In the above scheme: the liquid level transmitter is a continuous magnetic float liquid level gauge or a magnetostrictive liquid level gauge.

The beneficial effects of the utility model are: the utility model is installed on the top of the flotation column container with a floating ball bracket and a lifting tube guide tube, the upper end of the lifting tube protrudes from the lifting tube guiding tube, and the lower end is fixed on the upper surface of the floating ball, and the floating ball is positioned on the floating ball. The column selection container floats on the surface of the medium liquid level, and the upper end of the riser interacts with the float of the liquid level transmitter, thus providing a more accurate flotation column liquid level measurement device, which can avoid the liquid level in the flotation column The impact of the disturbance of the medium on the measurement has the characteristics of ingenious conception, simple structure, easy transformation and low transformation cost.

Description of drawings:

Fig. 1 is the structural representation of the utility model.

The markings in the figure are as follows:

Flotation column container 1, float ball guide rod 2, float ball 3, float ball guide lug 3a, lift pipe 4, lift pipe guide cylinder 5, float ball mounting bracket 6, instrument mounting bracket 7, liquid level transmitter 8 , Detection rod 8a, float 8b.

Detailed ways

Embodiments of the present invention will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The embodiments described below by referring to the figures are exemplary and intended to explain the present utility model, but should not be construed as limiting the present utility model. In this utility model, unless otherwise clearly specified and limited, terms such as "assembly", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a Detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or intermediary connection, or internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above-mentioned terms in the present utility model according to specific situations.

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

Example 1

As shown in Figure 1: the flotation column liquid level measuring device of the present utility model comprises flotation column container 1, and flotation column container 1 is prior art, and liquid medium is housed in it, and the upper surface of liquid medium is a layer of bubble layer Materials, generally foam materials.

Floating ball mounting bracket 6 is set on the top of flotation column container 1, as shown in Figure 1, floating ball mounting bracket 6 is an inverted L shape, and its lower vertical plate is welded on the top of the side wall of flotation column container 1, the upper The transverse plate is located above the upper port of the flotation column container 1, and a through hole extending up and down the axis is opened on the float mounting bracket 6, and a lift pipe guide cylinder 5 is fixed in the through hole, and a lift pipe guide cylinder 5 is inserted with a Lifting tube 4, the upper end of the lifting tube 4 extends above the guiding tube 5 of the lifting tube, and the lower end extends into the flotation column container 1 to be connected with the float 3. The floating ball 3 is in contact with the liquid medium in the container 1 of the flotation column.

The upper surface of the float mounting bracket 6 is provided with an instrument mounting bracket 7, the instrument mounting bracket 7 is an L-shaped bracket composed of an upper horizontal bar and a lower vertical bar, the liquid level transmitter 8 is installed on the upper horizontal bar, and the instrument is installed The support 7 is fixed on the float mounting bracket 6 by the lower vertical rod. A liquid level transmitter 8 is installed on the instrument mounting bracket 7, and the liquid level transmitter 8 is a continuous magnetic float liquid level gauge or a magnetostrictive liquid level gauge. The liquid level transmitter 8 includes a vertical detection rod 8a and a float 8b looped on the detection rod 8a. The center line of the detection rod 8a is on the same straight line as the center line of the lift pipe 4. The upper end stretches in the riser 4, and the float 8b is positioned on the upper end nozzle of the riser 4.

The lower surface of the float mounting bracket 6 is provided with at least two float guide rods 2, two of which are selected here, and the two float guide rods 2 are arranged oppositely, the float 3 is located between the float guide rods 2, and the float 3 Float ball guide lugs 3a are provided, preferably: float ball guide lugs 3a are respectively provided on the opposite sides of the float ball 3, the float ball guide lugs 3a are provided with round holes for the float ball 3 to pass through, and the float ball The guide rod 2 passes through the round hole of the floating ball guide lug 3a on the corresponding side. That is to say, the floating ball 3 can only move up and down between the floating ball guide rods 2, so that even if the medium in the flotation column container 1 is disturbed, the vertical movement of the floating ball 3 can be guaranteed, thereby improving the accuracy of measurement.

When in use, the floating ball 3 is in contact with the medium in the flotation column container 1. When the liquid level in the flotation column container 1 changes, the floating ball 3 drives the lifting tube 4 to move up and down, and the lifting tube 4 drives the float 8b up and down along the detection rod 8a Move, so that the liquid level transmitter 8 detects the liquid level of the medium in the flotation column container 1, which can avoid the interference of the bubble layer material in the flotation column container.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (4)

1. a columned pneumatic flotation machine liquid level emasuring device, comprise columned pneumatic flotation machine container (1), it is characterized in that: at described columned pneumatic flotation machine container (1) top, ball float mounting bracket (6) is set, described ball float mounting bracket (6) has the through hole of downward-extension on axis, fall way guide cylinder (5) is fixed with in this through hole, fall way (4) is inserted with in described fall way guide cylinder (5), the lower end of described fall way (4) reaches in columned pneumatic flotation machine container (1) and is connected with ball float (3), the upper surface of described ball float mounting bracket (6) is provided with instrument mounting bracket (7), described instrument mounting bracket (7) is provided with fluid level transmitter (8), described fluid level transmitter (8) comprises vertical test rod (8a) and the float (8b) of kink on test rod (8a), the center line of described test rod (8a) and the center line of fall way (4) are on the same line, described test rod (8a) reaches in fall way (4) from the upper end of fall way (4), and described float (8b) is positioned on the upper end mouth of pipe of fall way (4),

The lower surface of described ball float mounting bracket (6) is provided with at least two ball float guide poles (2), described ball float (3) is positioned between ball float guide pole (2), the upper corresponding ball float guide pole (2) of described ball float (3) is provided with ball float guiding journal stirrup (3a), described ball float guiding journal stirrup (3a) is provided with the circular hole passed for ball float guide pole (2), and described ball float guide pole (2) is through the circular hole of ball float guiding journal stirrup (3a).

2. columned pneumatic flotation machine liquid level emasuring device according to claim 1, it is characterized in that: described instrument mounting bracket (7) is the L bracket be made up of upper transverse bar and lower vertical bar, described fluid level transmitter (8) is arranged on transverse bar, and described instrument mounting bracket (7) is fixed on ball float mounting bracket (6) by lower vertical bar.

3. columned pneumatic flotation machine liquid level emasuring device according to claim 1 or 2, it is characterized in that: described ball float guide pole (2) is two, two ball float guide poles (2) are oppositely arranged, and are respectively equipped with ball float guiding journal stirrup (3a) at the opposite side of ball float (3).

4. columned pneumatic flotation machine liquid level emasuring device according to claim 1 or 2, is characterized in that: described fluid level transmitter (8) is continous way magnetic floating ball lever meter or magnetostriction liquidometer.