CN216321711U

CN216321711U - Automatic supply alkali and alkali lye on-line monitoring proportion's device

Info

Publication number: CN216321711U
Application number: CN202122536184.1U
Authority: CN
Inventors: 孙旭
Original assignee: Jiangsu Yunyi Electric Co Ltd
Current assignee: Jiangsu Yunyi Electric Co Ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-19
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a device for automatically supplying alkali and monitoring specific gravity of alkali liquor on line, which comprises an alkali distribution barrel, wherein three liquid level meters are sequentially arranged on the alkali distribution barrel from top to bottom, the alkali distribution barrel is communicated with an alkali stock solution weighing barrel through an alkali liquor pipeline, the alkali stock solution weighing barrel is communicated with one end of an air filter through the alkali liquor pipeline, the other end of the air filter is communicated with a water outlet of a pneumatic diaphragm pump through the alkali liquor pipeline, and a water inlet of the pneumatic diaphragm pump is communicated with the alkali liquor stock solution barrel through the alkali liquor pipeline; the risk of corrosion of the alkali during the alkali liquor preparation process is reduced, and the safety of production operation is improved; the automatic alkali feeding system and the alkali liquor specific gravity automatic weighing system reduce the working time of personnel and improve the working efficiency; the alkali liquor proportion is automatically read and automatically led out to meet the requirements of modern intelligent production; the production can be automatically stopped by comparing the serious abnormal conditions, and the abnormal occurrence probability is reduced.

Description

Automatic supply alkali and alkali lye on-line monitoring proportion's device

Technical Field

The utility model relates to the technical field of alkali liquor proportioning, in particular to a device for automatically supplying alkali and monitoring specific gravity of alkali liquor on line.

Background

Alkali lye (potassium hydroxide, sodium hydroxide) that present diode alkali etching process used all uses after diluting, and present diode alkali etching joins in marriage alkali technique mainly leans on the manual work to manage and control, and manual hand-operated weighing certain weight of alkali (potassium hydroxide or sodium hydroxide) and certain volume water, then stirs in a big alkali bucket of joining in marriage, uses the floater formula hydrometer to weigh the proportion after alkali dissolves completely, has more risk point in this process:

1. when the alkali weight and the water volume are manually weighed, certain errors and risks of operation and weighing errors exist;

2. personnel contact alkali when weighing the weight of the alkali and measuring the specific gravity of the diluted alkali liquor, so that certain safety risk exists (potassium hydroxide or sodium hydroxide has strong corrosivity);

3. the specific gravity is weighed when the alkali liquor is completely undiluted in the dissolving and diluting process, so that the specific gravity data is inaccurate, and the product quality is influenced when the alkali liquor is directly used.

Therefore, a device for automatically supplying alkali and monitoring the specific gravity of alkali liquor on line is provided.

Disclosure of Invention

The utility model aims to provide a device for automatically supplying alkali and alkali liquor to monitor specific gravity on line, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the device for automatically supplying alkali and monitoring the specific gravity of alkali liquor on line comprises an alkali distribution barrel, wherein three liquidometers are sequentially arranged on the alkali distribution barrel from top to bottom, the alkali distribution barrel is communicated with an alkali stock solution weighing barrel through an alkali liquor pipeline, the alkali stock solution weighing barrel is communicated with one end of an air filter through an alkali liquor pipeline, the other end of the air filter is communicated with a water outlet of a pneumatic diaphragm pump through an alkali liquor pipeline, a water inlet of the pneumatic diaphragm pump is communicated with an alkali liquor stock solution barrel through an alkali liquor pipeline, the alkali liquor stock solution barrel is communicated with a ball valve through an alkali liquor pipeline, the bottom of the alkali distribution barrel is communicated with a water inlet of a circulating pump through an alkali liquor pipeline, a water outlet of the circulating pump is communicated with the alkali distribution barrel through an alkali liquor pipeline and communicated with one end of a specific gravity on-line monitoring device, the other end of the specific gravity on-line monitoring device is communicated with the bottom of one side of the alkali distribution barrel through an alkali liquor pipeline, the alkali distribution barrel is communicated with a water pipeline, one-way valves are respectively arranged at water outlets of the circulating pump and the pneumatic diaphragm pump, signals collected by the three liquid level meters, the specific gravity on-line monitoring device and the alkali stock solution weighing barrel are transmitted to a device control system, and the device control system controls the opening and closing of the air filter, the pneumatic diaphragm pump, the circulating pump, the ball valve and the one-way valves.

Preferably: the specific gravity on-line monitoring device adopts an alkali-resistant specific gravity sensor.

Preferably: the device control system adopts a controller with a display screen.

Preferably: the pneumatic diaphragm pump, the alkaline liquid pipeline, the one-way valve, the ball valve and the air filter are made of alkali-resistant materials.

Preferably: the alkali-resistant material is made of stainless steel and polytetrafluoroethylene.

Preferably: the alkali-blending barrel is made of stainless steel.

Compared with the prior art, the utility model has the beneficial effects that:

1. the risk of corrosion of the alkali during the alkali liquor preparation process is reduced, and the safety of production operation is improved;

2. the automatic alkali feeding system and the alkali liquor specific gravity automatic weighing system reduce the working time of personnel and improve the working efficiency;

3. the alkali liquor proportion is automatically read and automatically led out to meet the requirements of modern intelligent production;

4. the production can be automatically stopped by comparing the serious abnormal conditions, and the abnormal occurrence probability is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. a pneumatic diaphragm pump; 2. a one-way valve; 3. an alkaline liquor line; 4. an alkali liquor stock solution barrel; 5. a ball valve; 6. an air filter; 7. weighing the alkali stock solution in a barrel; 8. a specific gravity on-line monitoring device; 9. a water line; 10. an alkali blending barrel; 11. a liquid level meter; 12. a device control system; 13. and a circulating pump.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

Referring to fig. 1, the present invention provides a technical solution: an automatic supply alkali and alkali lye on-line monitoring proportion device, including the barrel 10 of the alkali preparation, install three level gauges 11 from top to bottom sequentially on the barrel 10 of the alkali preparation, the barrel 10 of the alkali preparation is connected with the heavy bucket 7 of stock alkali through the pipeline 3 of the alkali solution, the heavy bucket 7 of stock alkali is connected with one end of the air cleaner 6 through the pipeline 3 of the alkali solution, another end of the air cleaner 6 is connected with the delivery port of the pneumatic diaphragm pump 1 through the pipeline 3 of the alkali solution, the water inlet of the pneumatic diaphragm pump 1 is connected with the stock alkali liquor barrel 4 through the pipeline 3 of the alkali solution, the stock alkali liquor barrel 4 is connected with the ball valve 5 through the pipeline 3 of the alkali solution, the bottom of the barrel 10 of the alkali preparation is connected with the water inlet of the circulating pump 13 through the pipeline 3 of the alkali solution, the delivery port of the circulating pump 13 is connected with the barrel 10 of the alkali preparation and connected with one end of the on-line monitoring device 8 of the specific gravity, another end of the on-line monitoring device 8 is connected with the bottom of one side of the barrel 10 of the alkali preparation through the pipeline 3 of the alkali solution, the alkali distribution barrel 10 is communicated with a water pipeline 9, one-way valves 2 are installed at water outlets of a circulating pump 13 and a pneumatic diaphragm pump 1, signals collected by three liquid level meters 11, a specific gravity online monitoring device 8 and an alkali stock solution weighing barrel 7 are transmitted to a device control system 12, and the device control system 12 controls opening and closing of an air filter 6, the pneumatic diaphragm pump 1, the circulating pump 13, a ball valve 5 and the one-way valves 2.

As shown in fig. 1: the specific gravity on-line monitoring device 8 adopts an alkali-resistant specific gravity sensor; through the arrangement, the proportion online monitoring device 8 can detect the alkali liquor more conveniently, and the condition that the proportion online monitoring device 8 is damaged is avoided.

As shown in fig. 1: the device control system 12 employs a controller with a display screen; with the above arrangement, the device control system 12 can be caused to display, store, or export the result of detection.

As shown in fig. 1: the pneumatic diaphragm pump 1, the lye pipeline 3, the one-way valve 2, the ball valve 5 and the air filter 6 are made of alkali-resistant materials; through the arrangement, the service life can be prolonged, and the situation that the device is frequently damaged is avoided.

As shown in fig. 1: the alkali-resistant material is made of stainless steel and polytetrafluoroethylene; through the arrangement, the service life of the device is prolonged.

As shown in fig. 1: the material of the alkali-blending barrel 10 is stainless steel; through the arrangement, the service life of the alkali blending barrel 10 is prolonged.

The working principle is as follows: when the device is used, when the liquid level of the liquid in the alkali-blending barrel 10 reaches the No. III liquid level meter 11, an external water pump is started, then water is injected into the alkali-blending barrel 10 through the water pipeline 9, when the liquid level reaches the No. II liquid level meter 11, water injection is stopped, the pneumatic diaphragm pump 1 is started, so that alkali liquor in the alkali liquor raw liquid barrel 4 is extracted and then discharged into the alkali raw liquid weighing barrel 7, meanwhile, the alkali liquor is filtered through the air filter 6 before being discharged into the alkali raw liquid weighing barrel 7, so that air in the pipeline is filtered, alkali liquor is prevented from splashing in the barrel, the influence of the air on the alkali liquor is reduced, when the volume of the alkali liquor reaches a specified value, the alkali liquor is discharged into the alkali-blending barrel 10, when the liquid level in the alkali-blending barrel 10 reaches the No. I liquid level meter 11, the circulating pump 13 is started, the liquid in the alkali-blending barrel 10 is stirred through the circulating pump 13, so that the two liquids are mixed, when the circulating pump 13 is running, a part of liquid flows into the specific gravity on-line monitoring device 8, the specific gravity on-line monitoring device 8 generates different vibration frequencies in potassium hydroxide liquid media with different specific gravity concentrations through high-frequency vibration generated by a built-in motor, the vibration frequencies are detected through a piezoelectric crystal, and are converted into specific gravity concentration digital signals through a phase shifting and amplifying circuit and a microprocessor, and the specific gravity concentration digital signals are transmitted to the device control system 12 for displaying and storing.

This set of device has solved and has weighed alkali weight in the current alkali technique of joining in marriage, the error problem of water volume, this device can realize alkali lye, water is automatic, the ration is added and is joined in marriage alkali bucket 10, the number of times that personnel direct contact has strong corrosivity alkali is reduced, reduce the risk of being corroded by alkali, alkali and water are automatic in joining in marriage alkali bucket 10, regularly stir, and carry out the automatic weighing of alkali lye proportion after accomplishing the stirring, read, and look over through the mes system, derive real-time data, when alkali lye proportion in qualified scope, production normally goes on, if alkali lye proportion changes not in qualified scope, the system reports to the police and production stops.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic supply device of alkali and alkali lye on-line monitoring proportion, is including joining in marriage alkali bucket (10), its characterized in that: the alkali blending barrel (10) is sequentially provided with three level meters (11) from top to bottom, the alkali blending barrel (10) is communicated with an alkali stock solution weighing barrel (7) through an alkali liquor pipeline (3), the alkali stock solution weighing barrel (7) is communicated with one end of an air filter (6) through the alkali liquor pipeline (3), the other end of the air filter (6) is communicated with a water outlet of a pneumatic diaphragm pump (1) through the alkali liquor pipeline (3), a water inlet of the pneumatic diaphragm pump (1) is communicated with an alkali stock solution barrel (4) through the alkali liquor pipeline (3), the alkali stock solution barrel (4) is communicated with a ball valve (5) through the alkali liquor pipeline (3), the bottom of the alkali blending barrel (10) is communicated with a water inlet of a circulating pump (13) through the alkali liquor pipeline (3), the water outlet of the circulating pump (13) is communicated with one end of the alkali blending barrel (10) and communicated with an on-line specific gravity monitoring device (8) through the alkali liquor pipeline (3), the other end of the proportion online monitoring device (8) is communicated with the bottom of one side of the alkali distribution barrel (10) through an alkali liquor pipeline (3), the alkali distribution barrel (10) is communicated with a water pipeline (9), one-way valves (2) are installed at water outlets of the circulating pump (13) and the pneumatic diaphragm pump (1), the proportion online monitoring device (8) and the alkali stock solution weighing barrel (7) are three, signals collected by the liquid level meter (11), the proportion online monitoring device (8) and the alkali stock solution weighing barrel (7) are transmitted to the device control system (12), and the device control system (12) controls the opening and closing of the air filter (6), the pneumatic diaphragm pump (1), the circulating pump (13), the ball valve (5) and the one-way valves (2).

2. The device for automatically supplying alkali and alkali liquor to monitor specific gravity on line according to claim 1, wherein the device comprises: the specific gravity on-line monitoring device (8) adopts an alkali-resistant specific gravity sensor.

3. The device for automatically supplying alkali and alkali liquor to monitor specific gravity on line according to claim 1, wherein the device comprises: the device control system (12) employs a controller with a display screen.

4. The device for automatically supplying alkali and alkali liquor to monitor specific gravity on line according to claim 1, wherein the device comprises: the pneumatic diaphragm pump (1), the alkaline liquid pipeline (3), the one-way valve (2), the ball valve (5) and the air filter (6) are made of alkali-resistant materials.

5. The device for automatically supplying alkali and alkali liquor to monitor specific gravity on line according to claim 4, wherein the device comprises: the alkali-resistant material is made of stainless steel and polytetrafluoroethylene.

6. The device for automatically supplying alkali and alkali liquor to monitor specific gravity on line according to claim 1, wherein the device comprises: the material of the alkali blending barrel (10) is stainless steel.