Backwashing device for alkali liquor unloading concentration detection

Abstract

The utility model discloses a backwashing device for alkali liquor unloading concentration detection, which comprises an alkali liquor unloading pipeline, a buffer tank mounted at the liquor outlet end of the alkali liquor unloading pipeline, an alkali liquor concentration measuring instrument mounted on the buffer tank, a liquor inlet valve mounted on the alkali liquor unloading pipeline, and a liquor outlet valve mounted at the liquor outlet end of the buffer tank. A back flushing pipe is mounted on one side of the buffer tank, the liquid outlet end of the back flushing pipe is communicated with the buffer tank, a flushing valve is mounted at the liquid outlet end of the back flushing pipe, and an ultrasonic cleaner corresponding to the alkali liquor concentration measuring instrument is mounted on the buffer tank. The buffer tank has the beneficial effects that the backwash pipe is arranged to clean the measuring electrode on the alkali liquor concentration measuring instrument in the buffer tank after the alkali liquor is unloaded and conveyed, so that the alkali liquor is prevented from being left on the measuring electrode and left in the buffer tank, the measurement accuracy of the alkali liquor concentration measuring instrument on the subsequent batch is ensured, and the production efficiency is improved. The ultrasonic cleaner is arranged, so that the cleaning effect on the alkali liquor concentration measuring instrument can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lye detection technical field, especially is a backflushing device for lye unloading concentration detection. BACKGROUND

[0002] Liquid alkali is an important chemical basic raw material, and is widely used, and lye concentration is a main quality index of liquid alkali. After production, lye is transported to the factory area of customer by lye tank truck, since liquid alkali has definite requirement on concentration when purchasing, so on-site acceptance needs to be carried out after lye tank truck reaches the destination factory area, and lye in each vehicle is first unloaded into a buffer tank, then sampling and inspection are carried out in the buffer tank, and after inspection, the lye in the buffer tank is pumped into the lye tank, so that the concentration quality of lye is effectively controlled.

[0003] After some existing lye concentration measuring instruments measure the lye in the lye buffer tank, a part of lye remains on the measuring electrode of the lye concentration measuring instrument, the remaining lye affects the lye concentration measurement result of the next batch, and the measurement precision of the lye concentration measuring instrument is reduced. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings that after some existing lye concentration measuring instruments measure the lye in the lye buffer tank, a part of lye remains on the measuring electrode of the lye concentration measuring instrument, the remaining lye affects the lye concentration measurement result of the next batch, and the measurement precision of the lye concentration measuring instrument is reduced, and provides a backflushing device for lye unloading concentration detection.

[0005] The utility model discloses a backflushing device for lye unloading concentration detection, including lye unloading pipeline, the liquid outlet of lye unloading pipeline is installed with buffer tank, is installed with lye concentration measuring instrument on buffer tank, is installed with liquid inlet valve on lye unloading pipeline, the liquid outlet of buffer tank is installed with liquid outlet valve, and one side of buffer tank is installed with backflushing pipe, and the liquid outlet of backflushing pipe is linked together with buffer tank, and the liquid outlet of backflushing pipe is installed with flushing valve;

[0006] Buffer tank is installed with the ultrasonic cleaner corresponding to lye concentration measuring instrument, can clean the measuring electrode on lye concentration measuring instrument in buffer tank after lye unloading conveying through setting backflushing pipe, thereby avoiding lye remaining on the measuring electrode, also avoiding lye remaining in the buffer tank, guaranteeing the measurement precision of lye concentration measuring instrument to subsequent batch, setting ultrasonic cleaner can effectively improve the cleaning effect of lye concentration measuring instrument.

[0007] Further, the filter screen is arranged on the liquid inlet end of the buffer tank, so that the impurities in the alkali unloading vehicle can be prevented from entering the buffer tank, the equipment in the buffer tank is protected, and the service life of the equipment in the buffer tank is effectively ensured.

[0008] Further, the impurity discharge pipe is arranged on the alkali unloading pipeline, the liquid inlet end of the impurity discharge pipe is located on the side, away from the buffer tank, of the filter screen, the impurity discharge valve is arranged on the impurity discharge pipe, and when the alkali concentration measuring instrument detects that the alkali concentration in the buffer tank is unqualified, the liquid inlet valve and the liquid outlet valve are closed, the flushing valve and the impurity discharge valve are opened, and the unqualified alkali is discharged through the backwashing effect of the backwashing pipe, so that the discharge problem of the unqualified alkali is solved, and when the filter screen has impurities, the liquid inlet valve and the liquid outlet valve are closed, the flushing valve and the impurity discharge valve are opened, and the impurities on the filter screen are discharged through the impurity discharge pipe, so that the filter screen is cleaned.

[0009] Further, the alkali storage tank is connected to the liquid outlet end of the buffer tank through the liquid outlet pipe, and the flow meter is arranged between the liquid outlet valve and the liquid outlet pipe, so that the liquid inlet amount of the alkali can be measured, and accurate liquid inlet measurement data can be obtained.

[0010] Further, the liquid level meter is arranged on the alkali storage tank, and the liquid level meter is connected to the controller for controlling the opening and closing of the liquid outlet valve, so that when the liquid level meter detects that the alkali in the alkali storage tank reaches a specified liquid level, the liquid outlet valve is controlled to be closed, and the risk caused by the high liquid level is prevented.

[0011] Further, the transparent observation window corresponding to the filter screen is arranged on the alkali unloading pipeline, so that whether the filter screen has impurities can be observed, the filter screen can be cleaned in time, and the flowability of the alkali in the alkali unloading pipeline is not affected by too many impurities.

[0012] The alkali concentration measuring instrument on the buffer tank can be cleaned through the backwashing pipe after the alkali unloading and conveying are completed, so that the alkali is prevented from being left on the measuring electrode and in the buffer tank, the measurement accuracy of the alkali concentration measuring instrument on the subsequent batches is ensured, the cleaning effect of the alkali concentration measuring instrument is effectively improved through the ultrasonic cleaner, the filter screen is arranged, so that the impurities in the alkali unloading vehicle can be prevented from entering the buffer tank, the equipment in the buffer tank is protected, and the service life of the equipment in the buffer tank is effectively ensured, and the flow meter is arranged, so that the liquid inlet amount of the alkali can be measured, and accurate liquid inlet measurement data can be obtained. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure section view schematic diagram of the utility model;

[0014] Figure 2 It is the whole structure section view schematic diagram of the utility model; Figure 1 It is the enlarged diagram of the structure A of the utility model;

[0015] Figure 3 It is the whole structure front view of the utility model;

[0016] In the figure, 1, lye unloading pipeline;2, buffer tank;3, lye concentration measuring instrument;4, backwashing pipe;5, liquid inlet valve;6, liquid outlet valve;7, flushing valve;8, ultrasonic cleaner;9, flowmeter;10, liquid outlet pipe;11, lye storage tank;12, liquid level gauge;13, filter screen;14, impurity discharge pipe;15, impurity discharge valve;16, transparent observation window. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0019] It should be noted that the embodiments and features in the embodiments of the utility model can be combined with each other without conflict.

[0020] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1 to 3 As shown, a backwashing device for detecting the concentration of alkali unloading includes an alkali unloading pipeline 1, a buffer tank 2 installed at the outlet end of the alkali unloading pipeline 1, an alkali concentration measuring instrument 3 installed on the buffer tank 2, an inlet valve 5 installed on the alkali unloading pipeline 1, an outlet valve 6 installed at the outlet end of the buffer tank 2, a backwashing pipe 4 installed on one side of the buffer tank 2, the outlet end of the backwashing pipe 4 being connected to the buffer tank 2, and a flushing valve 7 installed at the outlet end of the backwashing pipe 4.

[0024] An ultrasonic cleaner 8 corresponding to the alkali concentration measuring instrument 3 is installed on the buffer tank 2. By setting up a backwash pipe 4, the measuring electrodes on the alkali concentration measuring instrument 3 in the buffer tank 2 can be cleaned after the alkali is unloaded and transported, thereby avoiding alkali residue on the measuring electrodes and in the buffer tank 2, ensuring the measurement accuracy of the alkali concentration measuring instrument 3 for subsequent batches. Setting up the ultrasonic cleaner 8 can effectively improve the cleaning effect of the alkali concentration measuring instrument 3.

[0025] A filter screen 13 is installed at the inlet end of the buffer tank 2. By setting the filter screen 13, impurities present in the alkali unloading vehicle can be prevented from entering the buffer tank 2, thus protecting the equipment in the buffer tank 2 and effectively ensuring the service life of the equipment in the buffer tank 2.

[0026] The alkali solution unloading pipeline 1 is provided with a foreign matter discharge pipe 14, the liquid inlet end of the foreign matter discharge pipe 14 is located on the side of the filter screen 13 away from the buffer tank 2, the foreign matter discharge pipe 14 is provided with a foreign matter discharge valve 15, through the cooperation of the foreign matter discharge pipe 14 and the foreign matter discharge valve 15, when the alkali solution concentration measuring instrument 3 detects that the alkali solution concentration in the buffer tank 2 is unqualified, the liquid inlet valve 5 and the liquid outlet valve 6 are closed, the flushing valve 7 and the foreign matter discharge valve 15 are opened, and the unqualified alkali solution is discharged through the foreign matter discharge pipe 14 through the backwashing effect of the backwashing pipe 4, effectively solving the problem of discharging unqualified alkali solution, at the same time, when the filter screen 13 has foreign matter, the liquid inlet valve 5 and the liquid outlet valve 6 are closed, the flushing valve 7 and the foreign matter discharge valve 15 are opened, and the foreign matter on the filter screen 13 is discharged through the foreign matter discharge pipe 14 by the cleaning liquid, so that the filter screen 13 is cleaned, the buffer tank 2 is connected with the alkali solution storage tank 11 through the liquid outlet pipe 10, the flow meter 9 is installed between the liquid outlet valve 6 and the liquid outlet pipe 10, through the setting of the flow meter 9, the liquid inlet amount of the alkali solution can be measured, so that accurate liquid inlet measurement data is obtained.

[0027] The alkali solution storage tank 11 is provided with a liquid level meter 12, the liquid level meter 12 is connected with a controller for controlling the opening and closing of the liquid outlet valve 6, through the connection of the liquid level meter 12 and the controller for controlling the opening and closing of the liquid outlet valve 6, when the liquid level meter 12 detects that the alkali solution in the alkali solution storage tank 11 reaches a specified liquid level, the liquid outlet valve 6 is controlled to be closed, so as to prevent the risk caused by high liquid level, the alkali solution unloading pipeline 1 is provided with a transparent observation window 16 corresponding to the filter screen 13, through the setting of the transparent observation window 16, whether there is foreign matter on the filter screen 13 can be observed, so that the filter screen 13 can be cleaned in time, and the influence of too much foreign matter on the flowability of the alkali solution in the alkali solution unloading pipeline 1 is avoided.

[0028] The working process of the utility model is as follows: when the device is used to unload and liquid inlet, first open liquid inlet valve 5, close liquid outlet valve 6 to make lye into buffer groove 2, make the lye concentration measuring instrument 3 in buffer groove 2 measure lye concentration, when lye concentration measuring instrument 3 detects that the concentration of lye is qualified, open liquid outlet valve 6 and pass through liquid outlet pipe 10 to lye storage tank 11 liquid inlet, open backflushing pipe 4 to clean lye concentration measuring instrument 3 in buffer groove 2 after lye delivery can, open ultrasonic cleaner 8 simultaneously can improve the cleaning effect of lye concentration measuring instrument 3 in buffer groove 2, at this time, the water measurement of cleaning lye concentration measuring instrument 3 through backflushing pipe 4 is very small, can ignore the influence on the lye concentration in lye storage tank 11, when lye concentration measuring instrument 3 detects that the concentration of lye is unqualified, close liquid inlet valve 5, open impurity discharge valve 15 and flushing valve 7, make the cleaning water in backflushing pipe 4 and pass through impurity discharge pipe 14 backflushing unqualified lye in buffer groove 2 can, avoid unqualified lye into lye storage tank 11, mark this batch and change the next batch to detect, when too much impurity on filter screen 13 is observed through transparent observation window 16, can close liquid inlet valve 5 and liquid outlet valve 6 after unloading, open flushing valve 7 and impurity discharge valve 15, make the cleaning water in backflushing pipe 4 backflushing filter screen 13, and the impurity is discharged through impurity discharge pipe 14 can.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A backwashing device for detecting the concentration of lye unloading, comprising a lye unloading pipeline (1), a buffer tank (2) is installed at the liquid outlet end of the lye unloading pipeline (1), and a lye concentration measuring instrument (3) is installed on the buffer tank (2), characterized in that: The alkali solution unloading pipeline (1) is provided with an inlet valve (5), the outlet end of the buffer tank (2) is provided with an outlet valve (6), one side of the buffer tank (2) is provided with a backwashing pipe (4), the outlet end of the backwashing pipe (4) is communicated with the buffer tank (2), and the outlet end of the backwashing pipe (4) is provided with a flushing valve (7). The buffer tank (2) is provided with an ultrasonic cleaner (8) corresponding to the alkali solution concentration measuring instrument (3).

2. The backwashing device for detecting the concentration of alkali solution during unloading according to claim 1, characterized in that: The inlet end of the buffer tank (2) is provided with a filter screen (13).

3. The backwashing device for detecting the concentration of alkali solution during unloading according to claim 2, characterized in that: The alkali solution unloading pipeline (1) is provided with a foreign matter discharge pipe (14), the inlet end of the foreign matter discharge pipe (14) is located on the side, away from the buffer tank (2), of the filter screen (13), and the foreign matter discharge pipe (14) is provided with a foreign matter discharge valve (15).

4. The backwashing device for detecting the concentration of alkali solution during unloading according to claim 1, characterized in that: The outlet end of the buffer tank (2) is connected with an alkali solution storage tank (11) through an outlet pipe (10), and a flowmeter (9) is arranged between the outlet valve (6) and the outlet pipe (10).

5. The backwashing device for detecting the concentration of alkali solution during unloading according to claim 4, characterized in that: The alkali solution storage tank (11) is provided with a liquid level meter (12), and the liquid level meter (12) is connected with a controller for controlling the opening and closing of the outlet valve (6).

6. The backwash device for detecting the concentration of alkali solution during unloading according to claim 2, characterized in that: The alkali solution unloading pipeline (1) is provided with a transparent observation window (16) corresponding to the filter screen (13).

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