Automatic pickling device of lime dosing system for water treatment

Abstract

The utility model relates to the technical field of automatic pickling of lime dosing systems, and discloses an automatic pickling device of a water treatment lime dosing system, which comprises a base and a liquid storage component arranged at the upper end of the base, an extraction pickling component is arranged on one side of the liquid storage component, and a lime milk pipeline is arranged on one side of the extraction pickling component. When acid pickling is needed, water is firstly used for flushing to remove flowable liquid medicine in the lime milk pipeline, then water flushing is stopped, the metering pump is started, acid pickling liquid in the liquid storage assembly can be pumped out under the use of the pumping pipe A, flow guiding is conducted through the outlet pipe, and then acid pickling is conducted. Then the lime milk enters the lime milk pipeline after passing through the three-way valve, the lime milk pipeline can be subjected to acid pickling and then washed with water after acid pickling is completed, acid pickling can be completed, lime scaling is prevented from blocking the lime milk pipeline, automatic adjustment can be achieved according to pressure and pH, the washing effect is guaranteed, and maintenance and monitoring are easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic pickling of lime dosing system, specifically to a water treatment lime dosing system automatic pickling device. BACKGROUND

[0002] The lime dosing system automatic pickling device is commonly used in the fields of water treatment, wastewater treatment or mineral treatment, for removing impurities and pollutants in water or wastewater. The device combines the automatic control of the dosing and pickling process of lime to improve operational efficiency, ensure treatment effect and reduce manual intervention.

[0003] Currently, adding lime in water treatment process is a common water treatment technology, but it also has many deficiencies. The problem of dosing pipeline blockage has always existed. The inner wall of the conveying pipeline is prone to calcium deposition after long-term use, which makes the inner diameter of the pipeline smaller and smaller. To meet the addition amount, the concentration of lime must be increased. The higher the concentration of lime, the more prone the conveying pipeline is to blockage, causing a vicious cycle and seriously affecting production. When the pipeline is severely blocked, the pipeline must be replaced, affecting the safe and stable operation of the system.

[0004] Therefore, we propose a water treatment lime dosing system automatic pickling device to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a water treatment lime dosing system automatic pickling device to solve the problem of calcium deposition on the inner wall of the conveying pipeline after long-term use, which makes the inner diameter of the pipeline smaller and smaller, and the higher the concentration of lime, the more prone the conveying pipeline is to blockage, causing a vicious cycle.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a water treatment lime dosing system automatic pickling device, comprising a base and a liquid storage assembly arranged at the upper end of the base to store pickling liquid. One side of the liquid storage assembly is provided with a pickling extraction assembly for extracting pickling liquid. One side of the pickling extraction assembly is provided with a lime milk pipeline. A pressure gauge is arranged on the lime milk pipeline to monitor the pressure in the lime milk pipeline. The end of the lime milk pipeline is also connected with a pH meter for monitoring pH.

[0007] The pickling extraction assembly comprises a metering pump and an extraction pipe A connected with one end of the metering pump. The other end of the metering pump is connected with an outlet pipe. One end of the outlet pipe is connected with a three-way valve. One end of the three-way valve is connected with a connecting conduit and a lime milk pipeline. One end of the connecting conduit away from the three-way valve is connected with a lime milk pump. One side of the lime milk pump is provided with an extraction pipe B. When the metering pump is started, the pickling liquid in the liquid storage assembly can be extracted under the use of the extraction pipe A and guided through the outlet pipe.

[0008] Preferably, the tee valve is provided with a mounting disc at each of the three interfaces, and the connecting conduit, the lime milk pipeline and the outlet pipe are also provided with mounting discs at the end close to the tee valve, one side of the mounting disc is provided with a bolt, and the adjacent two groups of mounting discs are fixed through the bolt, and a sealing gasket is arranged at the port of the mounting disc to play a sealing role.

[0009] Preferably, the upper end of the base is provided with a supporting leg, and a support is fixedly installed at the upper end of the supporting leg to support the metering pump and the lime milk pump.

[0010] Preferably, the liquid storage assembly comprises a liquid storage tank arranged at the upper end of the base and a liquid inlet pipe arranged at the upper end of the liquid storage tank, and a plugging block is arranged in the liquid inlet pipe, and a handle for hand holding is arranged on the surface of the plugging block, and the plugging block is used to plug the opening of the liquid inlet pipe.

[0011] Preferably, the liquid storage assembly further comprises a motor arranged at the upper end of the liquid storage tank and a rotating shaft connected with the output end of the motor, and a plurality of stirring rods are uniformly distributed on the outer side of the rotating shaft, and a bottom scraping plate is further arranged on the outer side of the rotating shaft and placed on the bottom wall of the liquid storage tank, and when the motor is started, the rotating shaft and the stirring rods can be driven to rotate, and at the same time, the bottom scraping plate can agitate the pickling liquid at the bottom of the liquid storage tank, so that the pickling liquid can be continuously stirred.

[0012] Preferably, the end of the extraction pipe A away from the metering pump is communicated with the inside of the liquid storage tank.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By arranging the base, the liquid storage assembly, the pickling extraction assembly and the lime milk pipeline, the pickling liquid can be injected into the lime milk pipeline to realize pickling of the lime milk pipeline, and the pickling liquid can be automatically adjusted according to the pressure and pH to ensure the flushing effect, easy maintenance and monitoring, and safety and reliability.

[0015] 2. By arranging the motor, the rotating shaft, the stirring rods and the bottom scraping plate, the pickling liquid can be fully stirred to make it more stable, which is beneficial to flushing use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the liquid storage assembly of the utility model;

[0018] Figure 3 It is a three-dimensional structure schematic view of the lime milk pipeline of the utility model;

[0019] Figure 4 It is a three-dimensional structure schematic view of the pickling extraction assembly of the utility model.

[0020] In the figure: 1, base; 11, leg; 12, support; 2, liquid storage assembly; 21, liquid storage tank; 22, motor; 23, rotating shaft; 24, stirring rod; 25, bottom scraping plate; 26, liquid inlet pipe; 27, blocking block; 28, handle; 3, acid pickling assembly; 31, metering pump; 32, extraction pipe A; 33, outlet pipe; 34, three-way valve; 341, mounting disc; 342, gasket; 343, bolt; 35, connecting conduit; 36, lime milk pump; 37, extraction pipe B; 4, lime milk pipeline; 41, pressure gauge; 42, pH meter. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one: please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , an automatic acid pickling device of a water treatment lime dosing system, comprising a base 1 and a liquid storage assembly 2 arranged at the upper end of the base 1 to store pickling liquid, one side of the liquid storage assembly 2 is provided with an acid pickling assembly 3, the acid pickling assembly 3 is used to extract the pickling liquid, one side of the acid pickling assembly 3 is provided with a lime milk pipeline 4, the lime milk pipeline 4 is provided with a pressure gauge 41, the pressure gauge 41 is used to monitor the pressure in the lime milk pipeline 4, the end of the lime milk pipeline 4 is also connected with a pH meter 42 for monitoring the pH, and the flushing effect can be judged by the pressure and the pH of the lime milk pipeline 4;

[0023] The acid pickling assembly 3 comprises a metering pump 31 and an extraction pipe A 32 connected with one end of the metering pump 31, the other end of the metering pump 31 is connected with an outlet pipe 33, one end of the outlet pipe 33 is connected with a three-way valve 34, one end of the three-way valve 34 is connected with a connecting conduit 35 and the lime milk pipeline 4, one end of the connecting conduit 35 away from the three-way valve 34 is connected with a lime milk pump 36, one side of the lime milk pump 36 is provided with an extraction pipe B 37, when the metering pump 31 is started, the pickling liquid in the liquid storage assembly 2 can be extracted under the use of the extraction pipe A 32, and then guided through the outlet pipe 33, and then enters the lime milk pipeline 4 after the three-way valve 34, so that the lime milk pipeline 4 can be pickled to prevent lime from scaling and blocking the lime milk pipeline 4.

[0024] The three-way valve 34 is provided with a mounting disc 341 at each of the three ends, and the connecting pipe 35, the lime milk pipe 4 and the outlet pipe 33 are provided with the mounting disc 341 near one end of the three-way valve 34. The mounting disc 341 is provided with a bolt 343 on one side, and the adjacent two groups of mounting discs 341 are fixed by the bolt 343. The mounting disc 341 is provided with a sealing gasket 342 at the port, which is used for sealing and facilitating the flow of liquid to avoid leakage.

[0025] The upper end of the base 1 is provided with a support leg 11, and the upper end of the support leg 11 is fixedly provided with a support 12. The support 12 is used for supporting the metering pump 31 and the lime milk pump 36, so that the metering pump 31 and the lime milk pump 36 are vertically placed.

[0026] The liquid storage assembly 2 includes a liquid storage tank 21 arranged at the upper end of the base 1 and a liquid inlet pipe 26 arranged at the upper end of the liquid storage tank 21. The liquid inlet pipe 26 is provided with a blocking block 27 inside, and the surface of the blocking block 27 is provided with a handle 28 for hand holding. The blocking block 27 is used for blocking the opening of the liquid inlet pipe 26.

[0027] The end of the extraction pipe A32 away from the metering pump 31 communicates with the inside of the liquid storage tank 21, so that the pickling liquid in the liquid storage tank 21 can be extracted, which is beneficial to the subsequent pickling of the lime milk pipe 4 and facilitates the dredging.

[0028] In this embodiment: the support 12 is used to support the metering pump 31 and the lime milk pump 36, so that the metering pump 31 and the lime milk pump 36 are vertically placed on the base 1. Then the pickling liquid is stored in the liquid storage tank 21. When pickling is needed, first flush with water to remove the flowable liquid in the lime milk pipe 4, then close the water flushing, start the metering pump 31, and under the use of the extraction pipe A32, the pickling liquid in the liquid storage assembly 2 can be extracted and guided through the outlet pipe 33, then enters the lime milk pipe 4 after the three-way valve 34, and can pickling the lime milk pipe 4. After pickling, rinse with water to complete this pickling, prevent lime scale from blocking the lime milk pipe 4, reduce the replacement frequency of the lime milk pipe 4. When the raw water quality does not change dramatically, the lime milk pump 36 increases significantly, it means that the lime milk pipe 4 is more seriously blocked, which can be considered as a pickling signal. The pressure and pH can be automatically adjusted to ensure the flushing effect, easy to maintain and monitor, safe and reliable.

[0029] Example two: this embodiment is an improvement based on example 1. For details, please refer to Figure 3The liquid storage assembly 2 further comprises a motor 22 arranged at the upper end of the liquid storage tank 21 and a rotating shaft 23 connected with the output end of the motor 22, and a plurality of stirring rods 24 are uniformly distributed on the outer side of the rotating shaft 23, and a bottom scraping plate 25 is further arranged on the outer side of the rotating shaft 23, and the bottom scraping plate 25 is arranged on the bottom wall of the liquid storage tank 21, and when the motor 22 is started, the rotating shaft 23 and the stirring rods 24 can be driven to rotate, and at the same time, the bottom scraping plate 25 can stir the pickling liquid at the bottom of the liquid storage tank 21, so that the pickling liquid can be continuously stirred to keep uniform.

[0030] In the embodiment, during the pickling process, the motor 22 is started to drive the rotating shaft 23 and the stirring rods 24 to rotate, and at the same time, the bottom scraping plate 25 can stir the pickling liquid at the bottom of the liquid storage tank 21, so that the pickling liquid can be continuously stirred to keep uniform, so that the pickling liquid is relatively stable, which is beneficial to use.

[0031] Working principle: the support 12 supports the metering pump 31 and the lime milk pump 36, so that the metering pump 31 and the lime milk pump 36 are vertically placed on the base 1, and then the pickling liquid is stored in the liquid storage tank 21, when pickling is needed, water is used for flushing to remove the flowable liquid in the lime milk pipeline 4, then the water flushing is closed, the metering pump 31 is started, and under the use of the suction pipe A 32, the pickling liquid in the liquid storage assembly 2 can be extracted and guided through the outlet pipe 33, then enters the lime milk pipeline 4 through the three-way valve 34, and the lime milk pipeline 4 can be pickled, and then water is used for flushing, and the pickling can be completed, and the pressure and pH can be automatically adjusted to ensure the flushing effect, and during the pickling process, the motor 22 is started to drive the rotating shaft 23 and the stirring rods 24 to rotate, and at the same time, the bottom scraping plate 25 can stir the pickling liquid at the bottom of the liquid storage tank 21, so that the pickling liquid can be continuously stirred to keep uniform.

[0032] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A water treatment lime dosing system automatic pickling device, comprising a base (1) and a liquid storage assembly (2) arranged at the upper end of the base (1) to store pickling liquid, one side of the liquid storage assembly (2) being provided with a pickling assembly (3), characterized in that: One side of the extraction pickling assembly (3) is provided with a lime milk pipeline (4), the lime milk pipeline (4) is provided with a pressure gauge (41), and the end of the lime milk pipeline (4) is also connected with a pH meter (42) for monitoring pH; The extraction pickling assembly (3) comprises a metering pump (31) and an extraction pipe A (32) connected with one end of the metering pump (31), the other end of the metering pump (31) is connected with an outlet pipe (33), one end of the outlet pipe (33) is connected with a three-way valve (34), one end of the three-way valve (34) is connected with a connecting conduit (35) and the lime milk pipeline (4), one end of the connecting conduit (35) away from the three-way valve (34) is connected with a lime milk pump (36), and one side of the lime milk pump (36) is provided with an extraction pipe B (37).

2. The automatic pickling device of a lime dosing system for water treatment according to claim 1, characterized in that: The three ends of the three-way valve (34) are provided with mounting discs (341), and the ends of the connecting conduit (35), the lime milk pipeline (4) and the outlet pipe (33) close to the three-way valve (34) are also provided with mounting discs (341), one side of the mounting disc (341) is provided with a bolt (343), and the port of the mounting disc (341) is provided with a sealing gasket (342).

3. The automatic acid washing device of a lime dosing system for water treatment according to claim 2, characterized in that: The upper end of the base (1) is provided with a support leg (11), and the upper end of the support leg (11) is fixedly installed with a support (12), and the support (12) is used for supporting the metering pump (31) and the lime milk pump (36).

4. The automatic acid washing device of a lime dosing system for water treatment according to claim 3, characterized in that: The liquid storage assembly (2) comprises a liquid storage tank (21) arranged at the upper end of the base (1) and a liquid inlet pipe (26) arranged at the upper end of the liquid storage tank (21), and the inside of the liquid inlet pipe (26) is provided with a blocking block (27), and the surface of the blocking block (27) is provided with a handle (28) for hand holding.

5. The automatic acid washing device of a lime dosing system for water treatment according to claim 4, characterized in that: The liquid storage assembly (2) further comprises a motor (22) arranged at the upper end of the liquid storage tank (21) and a rotating shaft (23) connected with the output end of the motor (22), a plurality of stirring rods (24) are uniformly distributed on the outer side of the rotating shaft (23), and a bottom scraping plate (25) is further arranged on the outer side of the rotating shaft (23), and the bottom scraping plate (25) is arranged on the bottom wall of the liquid storage tank (21).

6. The automatic acid washing device of a lime dosing system for water treatment according to claim 5, characterized in that: One end of the extraction pipe A (32) away from the metering pump (31) is communicated with the inside of the liquid storage tank (21).

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