阅读说明：本技术 一种滤芯清洗装置及方法 (Filter element cleaning device and method ) 是由 马星 张永志 宋鸿 于 2021-09-02 设计创作，主要内容包括：本发明涉及一种滤芯清洗装置及方法,属于冶金技术领域,清洗装置包括圆柱形清洗箱和与其配合应用的密封盖,所述清洗箱内设有固定滤芯的固定支座；所述清洗箱的侧壁下部连接有高压进水管,所述高压进水管与清洗箱内壁设置的多路分支水管连接,所述分支水管上设有多个喷头；所述清洗箱的底部连接有排水管；清洗方法包括3个步骤。本发明的清洗装置结构简单,清洗滤芯便捷快速,清洗用的溶液成分简单,便于配制,通过清洗有效地延长了滤芯的使用寿命,节约了生产物料,大幅降低了生产成本。(The invention relates to a filter element cleaning device and a method, belonging to the technical field of metallurgy, wherein the cleaning device comprises a cylindrical cleaning box and a sealing cover matched with the cylindrical cleaning box, and a fixed support for fixing a filter element is arranged in the cleaning box; the lower part of the side wall of the cleaning box is connected with a high-pressure water inlet pipe, the high-pressure water inlet pipe is connected with a plurality of branch water pipes arranged on the inner wall of the cleaning box, and a plurality of spray heads are arranged on the branch water pipes; the bottom of the cleaning box is connected with a drain pipe; the cleaning method comprises 3 steps. The cleaning device disclosed by the invention is simple in structure, convenient and quick to clean the filter element, simple in cleaning solution component and convenient to prepare, effectively prolongs the service life of the filter element through cleaning, saves production materials and greatly reduces the production cost.)

1. A filter core belt cleaning device which characterized in that: the device comprises a cylindrical cleaning box (1) and a sealing cover (7) matched with the cylindrical cleaning box, wherein a fixed support (2) for fixing a filter element (6) is arranged in the cleaning box (1); the lower part of the side wall of the cleaning box (1) is connected with a high-pressure water inlet pipe (4), the high-pressure water inlet pipe (4) is connected with a plurality of branch water pipes (8) arranged on the inner wall of the cleaning box (1), and a plurality of spray heads (3) are arranged on the branch water pipes (8); the bottom of the cleaning box (1) is connected with a drain pipe (5).

2. A filter cartridge cleaning apparatus as defined in claim 1, wherein: the branch water pipes (8) are uniformly distributed along the circumferential direction of the inner wall of the cleaning box (1).

3. A filter cartridge cleaning apparatus as defined in claim 1, wherein: the liquid in the high-pressure water inlet pipe (4) is solution.

4. A filter cartridge cleaning apparatus as defined in claim 3, wherein: the solution in the high-pressure water inlet pipe (4) is an ethanol water solution of dodecyl hydroxypropyl sulfobetaine and acetic acid.

5. A filter cartridge cleaning apparatus as defined in claim 4, wherein: the mass ratio of the dodecyl hydroxypropyl sulfobetaine in the solution is 0.03-0.07%, the mass ratio of the acetic acid is 0.08-0.1%, and the mass ratio of the ethanol is 1-2%.

6. A filter cartridge cleaning apparatus as defined in claim 4, wherein: the ethanol is 95% industrial ethanol.

7. A filter element cleaning method using the filter element cleaning device according to claims 1 to 6, characterized by comprising the steps of:

1) preparing a solution required by cleaning for later use;

2) the filter element (6) to be cleaned is fixedly arranged on the fixed support (2), and the cleaning box (1) is sealed by a sealing cover (7);

3) the valve of the high-pressure water inlet pipe (4) is opened, the solution enters each branch water pipe (8) from the high-pressure water inlet pipe (4) and is sprayed out through the spray head (3) to clean the filter element (6), and the sewage is discharged through the drain pipe (5).

Technical Field

The invention relates to a filter element cleaning device and method, and belongs to the technical field of metallurgy.

Background

The blast furnace blower is an important energy consumption device in the metallurgical industry, the air inlet chamber of the blast furnace blower belongs to the front end part of the device, the air inlet chamber is provided with a filter, the filter consists of 200 and 300 filter elements, the service life of the filter elements is usually between 6 and 9 months due to poor atmospheric environment, the service life is prolonged, the air inlet pressure difference is increased, the operation amount of replacing the filter elements is large, and the purchase cost of the filter elements is high; the filter element is cleaned by adopting a commercially available cleaning agent, so that more foams are generated, the water consumption in the cleaning process is large, and the cleaning time is long; the cleaning with clean water can be only used for one time.

Disclosure of Invention

The invention aims to provide a filter element cleaning device and a filter element cleaning method, which are used for cleaning a filter element of a blast furnace blower, realizing the reutilization of the filter element and achieving the purposes of cost reduction and efficiency improvement.

In order to achieve the purpose, the invention adopts the technical scheme that:

a filter element cleaning device comprises a cylindrical cleaning box and a sealing cover matched with the cylindrical cleaning box, wherein a fixed support for fixing a filter element is arranged in the cleaning box; the lower part of the side wall of the cleaning box is connected with a high-pressure water inlet pipe, the high-pressure water inlet pipe is connected with a plurality of branch water pipes arranged on the inner wall of the cleaning box, and a plurality of spray heads are arranged on the branch water pipes; the bottom of the cleaning box is connected with a drain pipe.

The technical scheme of the invention is further improved as follows: the branch water pipes are uniformly distributed along the circumferential direction of the inner wall of the cleaning box.

The technical scheme of the invention is further improved as follows: the liquid in the high-pressure water inlet pipe is solution.

The technical scheme of the invention is further improved as follows: the solution in the high-pressure water inlet pipe is an ethanol water solution of dodecyl hydroxypropyl sulfobetaine and acetic acid.

The technical scheme of the invention is further improved as follows: the mass ratio of the dodecyl hydroxypropyl sulfobetaine in the solution is 0.03-0.07%, the mass ratio of the acetic acid is 0.08-0.1%, and the mass ratio of the ethanol is 1-2%.

The technical scheme of the invention is further improved as follows: the ethanol is 95% industrial ethanol.

A filter element cleaning method is characterized by comprising the following steps:

1) preparing a solution required by cleaning for later use;

2) fixedly arranging the filter element to be cleaned on the fixed support, and sealing the cleaning box by using a sealing cover;

3) and opening a valve of the high-pressure water inlet pipe, enabling the solution to enter each branch water pipe through the high-pressure water inlet pipe, cleaning the filter element through spraying of the spray head, and discharging the sewage through the drain pipe.

Due to the adoption of the technical scheme, the invention has the following technical effects:

the cleaning device disclosed by the invention is simple in structure, convenient and quick to clean the filter element, simple in cleaning solution component and convenient to prepare, effectively prolongs the service life of the filter element through cleaning, saves production materials and greatly reduces the production cost.

The cleaning solution has the advantages of less foam, simple and convenient use, short operation time and good cleaning effect, and can effectively prolong the service life of the filter element.

Drawings

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

FIG. 2 is a top view of the cleaning apparatus of the present invention;

the device comprises a cleaning box 1, a fixed support 2, a spray head 3, a high-pressure water inlet pipe 4, a water outlet pipe 5, a filter element 6, a filter element 7, a sealing cover 8 and a branch water pipe.

Detailed Description

The invention is described in further detail below with reference to the following figures and specific embodiments:

example 1

A filter element cleaning device is shown in figures 1 and 2 and comprises a cylindrical cleaning box 1 and a sealing cover 7 matched with the cylindrical cleaning box, wherein a fixed support 2 for fixing a filter element 6 is arranged in the cleaning box 1. Wash the lateral wall sub-unit connection of case 1 and have high pressure feed tube 4, high pressure feed tube 4 is connected through the annular water pipe that washs 1 bottom of case setting and the multichannel branch water pipe 8 that washs 1 inner wall of case and set up, and branch water pipe 8 is along the circumference evenly distributed who washs 1 inner wall of case, and its height that highly is greater than filter core 6, branch water pipe 8 is by last from evenly being equipped with a plurality of shower nozzles 3 down, and high-pressure solution in the high pressure feed tube 4 washs filter core 6 by 3 blowout of shower nozzle. The solution is an ethanol water solution of dodecyl hydroxypropyl sulfobetaine and acetic acid, wherein the mass ratio of the dodecyl hydroxypropyl sulfobetaine is 0.04 per mill, the mass ratio of the acetic acid is 0.08 per mill, the mass ratio of the ethanol is 1%, and the ethanol is 95% industrial ethanol.

The bottom of the cleaning tank 1 is connected with a drain pipe 5, and the washed sewage is discharged through the drain pipe 5.

A method of cleaning a filter element comprising the steps of:

1) preparing a solution required by cleaning for later use;

2) the filter element 6 to be cleaned is fixedly arranged on the fixed support 2, and the cleaning box 1 is sealed by a sealing cover 7;

3) and opening the valve of the high-pressure water inlet pipe 4, enabling the solution to enter each branch water pipe 8 from the high-pressure water inlet pipe 4, spraying the solution out through the spray head 3 to clean the filter element 6, maintaining the pressure in the high-pressure water inlet pipe 4 between 0.5 and 0.6MPa, and discharging the sewage through the drain pipe 5.

Example 2

A filter element cleaning device is shown in figures 1 and 2 and comprises a cylindrical cleaning box 1 and a sealing cover 7 matched with the cylindrical cleaning box, wherein a fixed support 2 for fixing a filter element 6 is arranged in the cleaning box 1. Wash the lateral wall sub-unit connection of case 1 and have high pressure feed tube 4, high pressure feed tube 4 is connected through the annular water pipe who washs 1 bottom of case and the multichannel branch water pipe 8 that washs 1 inner wall of case and set up, and branch water pipe 8 is along the circumference evenly distributed who washs 1 inner wall of case, and its height that highly is greater than filter core 6, branch water pipe 8 is by last from evenly being equipped with a plurality of shower nozzles 3 down, and high-pressure solution in the high pressure feed tube 4 washs filter core 6 by 3 blowout of shower nozzle. The solution is an ethanol water solution of dodecyl hydroxypropyl sulfobetaine and acetic acid, wherein the mass ratio of the dodecyl hydroxypropyl sulfobetaine is 0.07 thousandth, the mass ratio of the acetic acid is 0.1 thousandth, the mass ratio of the ethanol is 2 percent, and the ethanol is 95 percent industrial ethanol.

The bottom of the cleaning tank 1 is connected with a drain pipe 5, and the washed sewage is discharged through the drain pipe 5.

A method of cleaning a filter element comprising the steps of:

1) preparing a solution required by cleaning for later use;

2) the filter element 6 to be cleaned is fixedly arranged on the fixed support 2, and the cleaning box 1 is sealed by a sealing cover 7;

3) and opening the valve of the high-pressure water inlet pipe 4, enabling the solution to enter each branch water pipe 8 from the high-pressure water inlet pipe 4, spraying the solution out through the spray head 3 to clean the filter element 6, maintaining the pressure in the high-pressure water inlet pipe 4 between 0.5 and 0.6MPa, and discharging the sewage through the drain pipe 5.

Comparative example 1

The differences from example 1 are: the liquid in the high-pressure water inlet pipe 4 is water.

Comparative example 2

The differences from example 1 are: acetic acid is not added to the solution in the high-pressure water inlet pipe 4.

Comparative example 3

The differences from example 1 are: the acetic acid in the solution in the high-pressure water inlet pipe 4 is replaced by the same amount of oxalic acid.

Comparative example 4

The differences from example 1 are: the solution in the high pressure inlet pipe 4 was not added with dodecyl hydroxypropyl sulfobetaine.

Comparative example 5

The differences from example 1 are: the solution in the high-pressure water inlet pipe 4 is not added with ethanol.

The filter element 6 which is applied for seven months under the same using condition is respectively applied after being cleaned according to the examples 1 and 2 and the comparative examples 1-5, and the continuous application conditions are as follows:

as shown in the table above, the filter element cleaned by the embodiment of the invention can be used for a long time again under the same condition, and can also be used for a long time after being cleaned for the second time.