CN219355874U

CN219355874U - Automatic membrane cleaning and dispensing system

Info

Publication number: CN219355874U
Application number: CN202320751891.9U
Authority: CN
Inventors: 孔令星; 刘奇; 王春霞
Original assignee: Jiangsu Nanre Generating Co ltd
Current assignee: Jiangsu Nanre Generating Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-18
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to the technical field of chemical cleaning liquid preparation, in particular to an automatic film cleaning and dispensing system which comprises an acid liquor mother pipe and a water inlet mother pipe, wherein one end of the acid liquor mother pipe is connected with a cation exchanger and is provided with a first diaphragm valve, the other end of the acid liquor mother pipe is provided with an ejector and is connected with an acid inlet manual diaphragm valve, the acid concentration is regulated by regulating the acid inlet manual diaphragm valve, and then acid is fed into the acid liquor mother pipe through the ejector. According to the automatic film cleaning and dispensing system, an ion exchange process is adopted for water inlet desalination, an acid inlet branch pipe (bypass) is added on an acid inlet mother pipe of a cation exchanger to realize direct acid inlet of chemical cleaning acid liquid, water is fed into a chemical cleaning and dissolving tank through the water inlet branch pipe, and acid concentration cleaning liquid is regulated and proportioned through the acid inlet amount and the liquid level of water inlet amount in the chemical cleaning and dissolving tank, so that the preparation of cleaning agent is realized.

Description

Automatic membrane cleaning and dispensing system

Technical Field

The utility model relates to the technical field of chemical cleaning liquid preparation, in particular to an automatic film cleaning and dispensing system.

Background

In order to ensure that wastewater is not discharged, the concentration and decrement requirements of the wastewater amount are high, and most of the wastewater is concentrated and decremented by adopting a reverse osmosis process, because the quality of reverse osmosis concentrated water inlet water is high in salt content, chemical cleaning is required to be performed after equipment is operated for a period of time to eliminate salt scale accumulated on a reverse osmosis membrane element, so that the concentration performance of a reverse osmosis device in wastewater is ensured; at present, acid cleaning liquid with certain concentration is generally manually configured, reverse osmosis and ultrafiltration are chemically cleaned by utilizing the existing cleaning water pump and pipeline, so that the performance of reverse osmosis and ultrafiltration is recovered, but in the general cleaning liquid medicine configuration, 31% concentration concentrated hydrochloric acid is manually carried and poured into a cleaning liquid medicine box with the height of 2.5 m, and then a water inlet valve is manually opened for configuration, the mode mainly has the following defects:

(1) The 25KG barrel is manually adopted to be conveyed to a cleaning liquid medicine position after acid is discharged from a water treatment hydrochloric acid tank, the mode has great safety and environmental protection risks, concentrated hydrochloric acid is extremely volatile, and the harm to the health of labor personnel is great;

(2) The manual configuration of the cleaning liquid medicine completely relies on the experience of operators, the concentration of the cleaning liquid medicine cannot be guaranteed, sometimes high-concentration acid liquor can generate irreversible damage to a membrane system, equipment maintenance cost is increased, the effect of chemical cleaning cannot be guaranteed by low-concentration acid liquor, and repeated labor is caused.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides an automatic film cleaning and dispensing system. The system has the advantages of reducing the labor intensity of workers, ensuring the concentration accuracy of the acid concentration cleaning liquid, avoiding unnecessary working risks and the like.

The technical scheme adopted by the utility model for realizing the technical purpose is as follows: an automatic membrane cleaning and dispensing system comprises an acid liquor mother pipe and a water inlet mother pipe, wherein one end of the acid liquor mother pipe is connected with a cation exchanger and is provided with a first diaphragm valve, the other end of the acid liquor mother pipe is provided with an ejector and is connected with an acid inlet manual diaphragm valve, the acid concentration is adjusted by adjusting the acid inlet manual diaphragm valve, and then acid is fed into the acid liquor mother pipe through the ejector;

an acid liquor branch pipe is connected to one position of the acid liquor mother pipe, and a second diaphragm valve is arranged on the acid liquor branch pipe;

a water inlet branch pipe is connected to one position of the water inlet main pipe, and a water inlet manual valve is arranged on the water inlet branch pipe;

the acid liquid branch pipe and the water inlet branch pipe are connected with the chemical cleaning medicine dissolving box at one end, the second diaphragm valve is opened, the acid liquid branch pipe feeds acid to the chemical cleaning medicine dissolving box, the water inlet manual valve is opened, the water inlet branch pipe feeds water to the chemical cleaning medicine dissolving box, and the acid concentration cleaning liquid is prepared by adjusting the acid feeding amount and the liquid level of the water feeding amount in the chemical cleaning medicine dissolving box.

Preferably, the acid liquor mother pipe is also connected with an acid inlet concentration meter, the acid concentration is regulated by regulating the first diaphragm valve, and then the acid concentration in the acid liquor mother pipe is detected by the acid inlet concentration meter.

Preferably, the connection part of the acid liquor mother pipe and the acid liquor branch pipe is fixedly connected through a branch pipe joint, after acid is fed into the acid liquor mother pipe by an ejector of the cation exchanger, the acid feed liquid firstly passes through an acid feed concentration meter, and after the acid feed concentration meter passes through the branch pipe joint, the branch pipe joint is positioned behind the acid feed concentration meter.

Preferably, a liquid level sensor is arranged in the chemical cleaning medicine dissolving box, and liquid level data in the chemical cleaning medicine dissolving box is displayed through the liquid level sensor, so that the acid inlet amount and the water inlet amount are controlled.

Compared with the prior art, the utility model has the beneficial effects that: according to the automatic film cleaning and dispensing system, an ion exchange process is adopted for water inlet desalination, an acid inlet branch pipe (bypass) is added on an acid inlet mother pipe of a cation exchanger to realize direct acid inlet of chemical cleaning acid liquid, water is fed into a chemical cleaning and dissolving tank through the acid inlet branch pipe, acid concentration cleaning liquid is regulated and proportioned through the liquid level height of acid inlet quantity and water inlet quantity in the chemical cleaning and dissolving tank, the preparation of cleaning medicament is realized, the labor intensity of workers can be effectively reduced, the concentration accuracy of the acid concentration cleaning liquid is ensured, and unnecessary working risks are avoided.

Drawings

FIG. 1 is a schematic top view of an automated film cleaning dispensing system.

Fig. 2 is a schematic diagram of the front view of the chemical cleaning solution tank, the acid liquid branch pipe, the water inlet main pipe and the liquid level sensor.

Wherein:

1-acid liquor mother pipe; 101-a first diaphragm valve; 102-an acid inlet concentration meter; a 2-cation exchanger; 3-branch pipe joints; 4-chemical cleaning of the medicine dissolving box; 5-acid liquor branch pipes; 501-a second diaphragm valve; 6-a water inlet main pipe; 601-a water inlet branch pipe; 602-a water inlet manual valve; 7-an ejector; 8-acid feeding manual diaphragm valve; 9-liquid level sensor

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the description of the present utility model, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present utility model, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships in which the inventive product is conventionally placed in use, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1-2, an automatic membrane cleaning and dispensing system comprises an acid liquor mother pipe 1 and a water inlet mother pipe 6, wherein one end of the acid liquor mother pipe 1 is connected with a cation exchanger 2 and is provided with a first diaphragm valve 101, the other end of the acid liquor mother pipe is provided with an ejector 7 and is connected with an acid inlet manual diaphragm valve 8, the concentration of acid is regulated by regulating the acid inlet manual diaphragm valve 8, and then acid is fed into the acid liquor mother pipe through the ejector 7; after the manual diaphragm valve 8 adjusts the acid concentration in the pipeline, the acid liquid enters through the ejector 7.

An acid liquor branch pipe 5 is connected to one position on the acid liquor mother pipe 1, and a second diaphragm valve 501 is arranged on the acid liquor branch pipe 5;

a water inlet branch pipe 601 is connected to one position on the water inlet main pipe 6, and a water inlet manual valve 602 is arranged on the water inlet branch pipe 601;

one end of each of the acid liquor branch pipe 5 and the water inlet branch pipe 601 is connected with the chemical cleaning solution tank 4, the second diaphragm valve 501 is opened, the acid liquor branch pipe 5 feeds acid to the chemical cleaning solution tank 4, and the acid feeding liquid level is controlled to be 25 cm;

the water inlet manual valve 602 is opened, the water inlet branch pipe 601 is used for feeding water to the chemical cleaning medicine dissolving tank 4, medicine is dissolved to 100 cm by opening the water inlet manual valve 602, and the acid concentration cleaning liquid is regulated and proportioned by the liquid level height of the acid inlet amount and the water inlet amount in the chemical cleaning medicine dissolving tank 4.

Further, the acid feed concentration meter 102 is further connected to the acid liquor mother pipe 1, the acid concentration is adjusted by adjusting the first diaphragm valve 101, then the acid concentration in the acid liquor mother pipe 1 is detected by the acid feed concentration meter 102, the acid feed amount is measured by the acid feed concentration meter 102, and the acid feed concentration is 2%.

Further, the joint of the acid liquor mother pipe 1 and the acid liquor branch pipe 5 is fixedly connected by arranging a branch pipe joint 3, after acid is fed into the acid liquor mother pipe 1 by the ejector 7, the acid feed liquor firstly passes through the acid feed concentration meter 102, and after passing through the branch pipe joint 3, the branch pipe joint 3 is positioned behind the acid feed concentration meter 102.

Further, a liquid level sensor 9 is installed in the chemical cleaning solution tank 4, and liquid level data in the chemical cleaning solution tank 4 is displayed through the liquid level sensor 9, so that the acid inlet amount and the water inlet amount are controlled.

Specifically, the cation exchanger 2 and the ejector 7 are used as acid inlet equipment, but under normal use, the first diaphragm valve 101 is closed, the cation exchanger 2 only opens the left first diaphragm valve 101 under the regeneration condition, and acid cannot be fed during the regeneration of the cation exchanger 2, so that under normal use, the acid concentration is adjusted by adjusting the acid feeding manual diaphragm valve 8, and then acid is fed into the acid liquor mother pipe through the ejector 7;

an acid liquid branch pipe 5 (bypass) is newly added on an acid liquid mother pipe 1 behind an acid concentration meter 102, a chemical cleaning solution tank 4 is introduced, the acid feeding amount is measured by the acid concentration meter 102, the acid feeding concentration is 2%, and because the linearity of an acid feeding manual diaphragm valve 8 is poor (the working principle of a limited ejector 7 and the diaphragm valve characteristic are high, and the measuring error of a low-concentration acid liquid meter is large), the acid liquid (the acid concentration is 0.5%) which accords with the chemical cleaning can not be regulated, so the liquid level of the chemical cleaning solution tank 4 is used for proportioning;

the second diaphragm valve 501 on the newly added acid liquid branch pipe 5 (bypass) is opened to add 2% concentration hydrochloric acid into the chemical cleaning solution tank, the height of the acid inlet liquid is controlled to be 25 cm, and then the manual water inlet valve 602 is opened to dissolve the chemical to 100 cm, so that the chemical cleaning of the membrane system can be performed after the 0.5% acid concentration cleaning solution is prepared.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures, equivalent flows or equivalent functional transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims

1. An automatic membrane cleaning and dispensing system comprises an acid liquor mother pipe (1) and a water inlet mother pipe (6), and is characterized in that: one end of the acid liquor mother pipe (1) is connected with a cation exchanger (2) and is provided with a first diaphragm valve (101), the other end of the acid liquor mother pipe is provided with an ejector (7) and is connected with an acid feeding manual diaphragm valve (8), the acid concentration is regulated by regulating the acid feeding manual diaphragm valve (8), and then acid is fed into the acid liquor mother pipe (1) through the ejector (7);

an acid liquor branch pipe (5) is connected to one position on the acid liquor mother pipe (1), and a second diaphragm valve (501) is arranged on the acid liquor branch pipe (5);

a water inlet branch pipe (601) is connected to one position on the water inlet main pipe (6), and a water inlet manual valve (602) is arranged on the water inlet branch pipe (601);

the acid liquor branch pipe (5) and one end of the water inlet branch pipe (601) are both connected with the chemical cleaning medicine dissolving box (4), the acid liquor branch pipe (5) feeds acid to the chemical cleaning medicine dissolving box (4), the water inlet branch pipe (601) feeds water to the chemical cleaning medicine dissolving box (4), and the proportion of the acid concentration cleaning liquid is adjusted through the acid feeding amount and the liquid level height of the water feeding amount in the chemical cleaning medicine dissolving box (4).

2. An automated film cleaning dispensing system as set forth in claim 1 wherein: the acid liquor mother pipe (1) is also connected with an acid inlet concentration meter (102).

3. An automated film cleaning dispensing system as set forth in claim 2 wherein: the joint of the acid liquor mother pipe (1) and the acid liquor branch pipe (5) is fixedly connected through a branch pipe joint (3), and the branch pipe joint (3) is positioned behind the acid inlet concentration meter (102).

4. An automated film cleaning dispensing system as set forth in claim 1 wherein: a liquid level sensor (9) is arranged in the chemical cleaning medicine dissolving box (4).