A kind of mother pipe slurry density measuring device suitable for double pump operation of pulping system

Abstract

The utility model discloses a kind of mother pipe slurry density measuring devices suitable for double pump operation of pulping system, including mother pipe, the outer surface of the mother pipe is provided with sampling tube, sampling tube upper surface is equipped with mounting plate, the upper surface of the mounting plate is provided with screw rod, the upper end of the screw rod is connected with carousel, and the lower end of screw rod is provided with lifting disc, the lower surface of the lifting disc is equipped with densitometer. The utility model relates to slurry density measurement technical field. The mother pipe slurry density measuring device suitable for double pump operation of pulping system, by sampling tube and mother pipe are inserted at 45 degrees, so as to avoid the scouring of mother pipe flow rate too fast to probe, and slurry mother pipe can avoid bubble and cause inaccurate measurement, good practicality;By screw rod and mounting plate screw thread rotation connection, and then lifting disc can be lifted inside sampling tube, so as to adjust the position of densitometer, to facilitate the slurry density measurement of different depth.

Description

Technical Field

[0001] This utility model relates to the field of slurry density measurement technology, specifically a slurry density measuring device for a main pipe suitable for dual-pump operation in a slurry preparation system. Background Technology

[0002] A limestone slurry preparation system is an equipment system used to produce limestone slurry. Limestone slurry is a commonly used raw material and is widely used in industries such as building materials, environmental protection, metallurgy, and chemicals. Generally speaking, a limestone slurry preparation system includes processes such as raw material processing, limestone crushing, limestone grinding, and limestone slurry mixing.

[0003] In the raw material processing stage, limestone ore is generally fed into a crusher for preliminary crushing via conveying equipment for subsequent grinding. Then, the crushed limestone needs to be finely ground by a limestone grinding mill to make it into a powdery material suitable for preparing slurry. Finally, the powdered limestone is mixed with water via a mixing device to form limestone slurry, thus completing the entire preparation process.

[0004] By using two pumps operating simultaneously to supply slurry, and the main pipeline through which the slurry is sent from the pumps to the main pipelines of different branch pipelines, the use of dual pumps can ensure the stability of the system and the slurry supply, especially when operating under high load, to avoid the system being unable to supply slurry normally if a single pump fails.

[0005] The density of the slurry is a key parameter, reflecting its concentration and thus affecting subsequent processing and production. By accurately measuring the density of the slurry in the mother pipe, it is possible to better control each stage of the production process, ensuring the quality of the final product and production efficiency.

[0006] A Chinese patent discloses a limestone slurry density measurement system for desulfurization absorption towers (authorization announcement number CN218653768U). This patented technology can effectively avoid the formation of scale in the limestone slurry in the measurement system, which would affect the measurement accuracy, and at the same time eliminate the influence of air bubbles in the limestone slurry on the measurement accuracy.

[0007] However, existing slurry density measurements all use a straight-tube insertion method, which results in excessively high slurry flow velocity within the main tube during insertion, easily eroding the probe and causing damage, leading to inaccurate measurements. Therefore, those skilled in the art have provided a main tube slurry density measuring device suitable for dual-pump operation in a pulping system to solve the problems mentioned in the background art. Utility Model Content

[0008] To address the shortcomings of existing technologies, this invention provides a slurry density measuring device for a main pipe suitable for dual-pump operation in a pulping system, thereby solving the problems mentioned in the background art.

[0009] To achieve the above objectives, this utility model is implemented through the following technical solution: a slurry density measuring device for a main pipe suitable for dual-pump operation in a slurry preparation system, comprising a main pipe, a sampling tube being provided through the outer surface of the main pipe, an mounting plate being installed on the upper surface of the sampling tube, a screw being provided through the upper surface of the mounting plate, a turntable being connected to the upper end of the screw, and a lifting plate being provided at the lower end of the screw, with a density meter being installed on the lower surface of the lifting plate.

[0010] Preferably, the mounting plate is bolted to the upper surface of the sampling tube.

[0011] Preferably, the densitometer is mounted on the upper surface of the lifting plate via a flange, and the detection end of the densitometer penetrates the lower surface of the lifting plate.

[0012] Preferably, a bearing is installed on the upper surface of the lifting plate, and the lower end of the screw is embedded inside the bearing.

[0013] Preferably, the mounting plate has a screw hole inside, the turntable has an external thread on the outside, and the turntable is threadedly connected to the screw hole.

[0014] Preferably, the sampling tube is set at a 45° angle to the mother tube.

[0015] Beneficial effects

[0016] This invention provides a device for measuring the density of slurry in the main pipe, suitable for use in a dual-pump system of a pulping system.

[0017] Compared with existing technologies, it has the following advantages:

[0018] 1. This slurry density measuring device, applicable to dual-pump operation of a pulping system, uses a sampling tube inserted at a 45-degree angle to the main pipe. This avoids excessive flow velocity in the main pipe from scouring the probe and prevents bubbling in the slurry main pipe from causing inaccurate measurements, making it highly practical.

[0019] 2. This slurry density measuring device for a dual-pump slurry system uses a turntable to rotate a screw connected to a mounting plate, allowing the lifting plate to move up and down inside the sampling tube. This adjusts the position of the densitometer to measure the density of slurry at different depths. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a main pipe slurry density measuring device suitable for dual-pump operation in a pulping system;

[0021] Figure 2 This is a schematic diagram of the screw structure in a main pipe slurry density measuring device suitable for dual-pump operation in a pulping system;

[0022] Figure 3 This is a front view of the lifting plate in a slurry density measuring device for a dual-pump operation of a pulping system.

[0023] In the diagram: 1. Main tube; 2. Sampling tube; 3. Mounting plate; 4. Screw; 41. Turntable; 42. Lifting plate; 43. Densitometer; 44. Bearing. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-3 This utility model provides a technical solution: a slurry density measuring device for a main pipe suitable for dual-pump operation in a slurry preparation system, including a main pipe 1, a sampling tube 2 penetrating through the outer surface of the main pipe 1, an mounting plate 3 installed on the upper surface of the sampling tube 2, a screw 4 penetrating through the upper surface of the mounting plate 3, a turntable 41 connected to the upper end of the screw 4, and a lifting plate 42 installed at the lower end of the screw 4, with a density meter 43 installed on the lower surface of the lifting plate 42.

[0026] exist Figure 2 In the middle section: the mounting plate 3 is installed on the upper surface of the sampling tube 2 by bolts. This setting connects the mounting plate 3 and the sampling tube 2 by bolts, which facilitates the installation and disassembly of the mounting plate 3 and has good practicality.

[0027] exist Figure 3 In the middle section: the density meter 43 is installed on the upper surface of the lifting plate 42 through a flange, and the detection end of the density meter 43 penetrates the lower surface of the lifting plate 42. This arrangement allows the density meter 43 to be installed on the lifting plate 42 through the flange. The detection end of the density meter 43 can penetrate the lifting plate 42 and contact the slurry in the mother pipe 1, thus achieving the purpose of detecting the slurry inside the mother pipe 1.

[0028] exist Figure 2 and Figure 3 In the middle: a bearing 44 is installed on the upper surface of the lifting plate 42, the lower end of the screw 4 is embedded in the bearing 44, a screw hole is opened in the interior of the mounting plate 3, an external thread is provided on the exterior of the turntable 41, and the turntable 41 is threadedly connected to the screw hole. This setting utilizes the screw 4 to be threadedly connected to the screw hole opened in the interior of the mounting plate 3, so that when it rotates, the screw 4 can move downward to adjust the height of the lifting plate 42, thereby enabling the density meter 43 to be used at different heights.

[0029] exist Figure 1 In the middle section, the sampling tube 2 is set at a 45° angle to the main tube 1. This setting, which inserts the sampling tube 2 and the main tube 1 at an angle, can avoid the probe being washed away by the excessive flow rate of the main tube 1, and can also avoid the slurry bubbling in the main tube 1 causing inaccurate measurements. It is practical.

[0030] When in operation (or during use), this device is suitable for measuring the density of slurry in a dual-pump system. First, the sampling tube 2 is installed at a 45° angle to the main tube 1. This avoids the slurry flow rate inside the main tube 1 from being too fast and scouring the probe, and also avoids bubbling in the slurry main tube 1 that could cause inaccurate measurements. During measurement, the screw 4 at the lower end of the turntable 41 is rotated. Since the screw 4 is threadedly connected to the screw hole inside the mounting plate 3, the lifting plate 42 is raised and lowered during rotation, thereby adjusting the position of the densitometer 43. This allows the probe of the densitometer 43 to be inserted into different positions inside the main tube 1 to achieve its efficient detection purpose, making it highly practical.

[0031] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A device for measuring the density of slurry in a main pipe of a pulping system with dual pumps, characterized in that: Includes a mother tube (1), a sampling tube (2) is provided through the outer surface of the mother tube (1), an mounting plate (3) is installed on the upper surface of the sampling tube (2), a screw (4) is provided through the upper surface of the mounting plate (3), a turntable (41) is connected to the upper end of the screw (4), and a lifting plate (42) is provided at the lower end of the screw (4), and a density meter (43) is installed on the lower surface of the lifting plate (42).

2. The slurry density measuring device for a dual-pump operation slurry system according to claim 1, characterized in that: The mounting plate (3) is mounted on the upper surface of the sampling tube (2) by bolts.

3. The slurry density measuring device for a dual-pump operation slurry system according to claim 1, characterized in that: The densitometer (43) is mounted on the upper surface of the lifting plate (42) via a flange, and the detection end of the densitometer (43) penetrates the lower surface of the lifting plate (42).

4. The slurry density measuring device for a dual-pump operation slurry system according to claim 1, characterized in that: The upper surface of the lifting plate (42) is equipped with a bearing (44), and the lower end of the screw (4) is embedded inside the bearing (44).

5. The slurry density measuring device for a dual-pump operation slurry system according to claim 1, characterized in that: The mounting plate (3) has a screw hole inside, and the turntable (41) has an external thread on the outside, and the turntable (41) is threadedly connected to the screw hole.

6. The slurry density measuring device for a dual-pump operation slurry system according to claim 1, characterized in that: The sampling tube (2) is set at an angle of 45° to the mother tube (1).

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