CN111847584A

CN111847584A - Device and method for movably cleaning filter element of security filter on line

Info

Publication number: CN111847584A
Application number: CN202010833140.2A
Authority: CN
Inventors: 李含驰; 刘品达; 陈茜; 周福伟
Original assignee: Kunshan Sanyi Environmental Protection Technology Co ltd
Current assignee: Kunshan Sanyi Environmental Protection Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-30

Abstract

The invention provides a device and a method for movably cleaning a cartridge filter element on line, which are used for filtering oil content in cobaltosic oxide wastewater. The device consists of a sealing barrel, a plastic submerged pump, a movable cart, an outlet hose and a cleaning backflow hose. The sealed barrel contains dilute hydrochloric acid and is detachably fixed on the movable trolley, and a plastic submerged pump is placed at the top of the sealed barrel and is provided with a cleaning reflux port; the cleaning backflow port is connected with the cleaning backflow hose; the plastic submerged pump is connected with an upper suction pipeline inserted to the bottom of the sealed barrel, an outlet of the pump is connected with the outlet hose, and when cleaning is carried out, the plastic submerged pump lifts dilute hydrochloric acid into the security filter for cleaning. The device provided by the invention has the advantages of simple structure, easy operation of the method, convenient disassembly and assembly of the cleaning interface, realization of the reutilization of the security filter, reduction of the operation amount of manual updating of the filter element, and reduction of the maintenance cost on the basis of environmental protection.

Description

Device and method for movably cleaning filter element of security filter on line

Technical Field

The invention belongs to the field of industrial wastewater treatment, and particularly relates to a device and a method for movably cleaning a cartridge filter element on line.

Background

The safety filter is also called as a precision filter and is generally arranged in front of a pressure container to remove fine particles so as to meet the requirement of the subsequent process on water inlet; sometimes also at the end of the overall water treatment system to prevent fine particles from entering the product water. The cartridge filter can protect the water treatment system and ensure that the quality of the discharged water meets the standard. The wire-wound honeycomb type filter element or the melt-blown filter element is used in the production water filtration, alcohol filtration, pharmaceutical filtration, acid-base filtration, reverse osmosis RO membrane front security filtration in the industries of drinking water, domestic water, electronics, printing and dyeing, textile, environmental protection and the like, and has the advantages of large flux, low consumable material cost, polished or matte appearance and acid pickling and passivation treatment on the inner surface. The inlet and outlet, sewage pipeline, automatic control valve and controller can automatically back flush.

The filter element is the core component of the security filter, directly determines the filtering effect, and is divided according to the material, common filter elements include paper filter elements, glass fiber filter elements, metal fiber filter elements, polypropylene fibers, polyester fiber filter elements and the like, and the working principle of the filter element is to utilize 5 mu m pores to carry out mechanical filtration, thereby effectively removing impurities such as suspended matters, particles, iron rust and the like in liquid.

In the zero-emission treatment process of cobaltosic oxide wastewater, single-effect, multi-effect or MVR evaporation is often adopted for treatment, but oil content is often contained in feed liquid, the oil content needs to be intercepted and removed before entering an evaporation system, and a security filter is often adopted for treatment, so that the stable operation of a rear-end evaporation system is ensured. After ultrafiltration, oil in the feed liquid can adhere to the surface of the inner core of the security filter, so that the filter element is blocked, the running resistance is increased, and the security filter cannot normally work when the pressure of an inlet and an outlet reaches a set value, so that the security filter is required to be maintained.

The prior art mainly has two types: firstly, the filter element is replaced by replacing the blocked filter element, but the cost for replacing the filter element is high, and meanwhile, the replaced filter element can become industrial waste and pollute the environment. And secondly, the filter element is taken out to be soaked and cleaned and then is reinstalled for use, the mode reduces the cost for replacing the filter element, but the labor cost is increased in the series of processes of cleaning the filter element, and in the cleaning and transportation processes, the cleaning liquid overflows to pollute the environment.

In order to solve the above problems, it is necessary to develop a device and a method for cleaning a cartridge filter element of a security filter on line, which can reduce the operation and maintenance costs and the manual operation amount, and realize the recycling of the cartridge filter.

Disclosure of Invention

The invention provides a device and a method for movably cleaning a cartridge filter element on line, which are used for filtering oil in cobaltosic oxide wastewater, and aims to reduce the material investment cost of the cartridge filter element and the operation amount of manually replacing the cartridge filter element.

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

the invention provides a device for movably cleaning a cartridge filter element on line, which comprises a sealing barrel, a plastic submerged pump, a movable cart, an outlet hose and a cleaning backflow hose, wherein the sealing barrel is arranged in the upper part of the movable cart;

the sealing barrel contains cleaning fluid and is detachably fixed on the movable cart, and a plastic submerged pump is placed at the top of the sealing barrel and is provided with a cleaning reflux port; the cleaning backflow port is connected with the cleaning backflow hose;

the plastic submerged pump is connected with an upper suction pipeline of the pump and is inserted into the bottom of the sealing barrel, and an outlet of the pump is connected with the outlet hose.

Furthermore, the top of the sealing barrel is provided with an acid adding port which adopts a flip-open sealing arrangement mode.

Further, the cleaning solution is 10% -15% of dilute hydrochloric acid.

Further, the device is connected to the canister filter through the outlet hose and the purge return hose.

Furthermore, the cleaning return hose is connected with the feed inlet of the cartridge filter by a clamp; the outlet hose is connected to the cartridge filter outlet by means of a clamp.

Further, the outlet hose and the cleaning backflow hose are PVC steel wire hoses.

A second aspect of the present invention provides a method for the mobile in-line cleaning of cartridge filter cartridges using the above-described apparatus, comprising the steps of:

step one, the device is pushed to the vicinity of a security filter;

connecting an outlet hose of the plastic submerged pump with an outlet of the security filter by using a hoop, and connecting a cleaning backflow hose with a feed inlet of the filter by using the hoop;

and step three, starting the plastic submerged pump, pumping the cleaning liquid in the sealed barrel into the security filter, and enabling the cleaning liquid to flow back to the sealed barrel to realize circular cleaning.

By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:

the device provided by the invention has the advantages of simple structure, easy operation and convenient and fast disassembly and assembly of the cleaning interface, realizes the reutilization of the security filter, reduces the operation amount of manually updating the filter element, does not introduce new impurities into an evaporation system on the basis of effectively removing the oil content of the filter element, and saves the maintenance cost of the security filter while protecting the environment. And portable shallow possesses the dual function of bearing equipment and mobile device, can realize the removal of cleaning between the filter of different stations, has made things convenient for belt cleaning device's transportation, has promoted workman's work efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a movable online cleaning device for cartridge filter elements of a cartridge filter according to the present invention;

FIG. 2 is a schematic flow chart of the operation of a mobile online cleaning device for cartridge filter elements of the cartridge filter of the present invention;

wherein, the symbols in the figures represent the description:

1-sealing the barrel; 2-plastic submerged pump; 3-a movable cart; 4-an outlet hose; 5, cleaning a backflow hose; 6-acid adding port; 7-suction pipeline of pump; 8-pump outlet of plastic submerged pump; 9-cleaning a reflux port; 10-filter outlet; 11-filter feed port; 12-a security filter; 13-clamping hoop.

Detailed Description

The invention provides a device and a method for movably cleaning a cartridge filter element on line, which can be used for cleaning and deoiling the cartridge filter element of a cartridge filter.

The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.

Example 1

Referring to fig. 1 and 2, the present embodiment provides a device for mobile online cleaning of a cartridge filter cartridge, comprising a sealing barrel 1, a plastic submerged pump 2, a mobile cart 3, an outlet hose 4 and a cleaning return hose 5.

The sealing barrel 1 contains cleaning liquid and is detachably fixed on the movable cart 3, a plastic submerged pump 2 is arranged on the top of the sealing barrel 1, a cleaning backflow port 9 is arranged, and the cleaning backflow port 9 is connected with a cleaning backflow hose 5.

The plastic submerged pump 2 is connected with an upper suction pipeline 7 of the pump and is inserted into the bottom of the sealed barrel 1, and an outlet 8 of the plastic submerged pump is connected with the outlet hose 4.

The cleaning return hose 5 is connected with a feed port 11 of the cartridge filter by a clamp 13; outlet hose 4 utilizes clamp 13 and filter outlet 10 to be connected, and easy to assemble dismantles, reduces operation work load, promotes and washs the convenience.

Wherein, the mobile cart 3 has the dual functions of bearing equipment and mobile equipment, and can realize the movement of cleaning work among filters at different stations.

The cleaning solution is 10-15% diluted hydrochloric acid and enters the sealed barrel 1 through an acid adding port 6 formed in the top of the sealed barrel 1. As the dilute hydrochloric acid contained in the sealing barrel 1 is easily volatilized into acid mist, and the sealing performance of the container is required to be good, the caliber of the acid adding port 6 at the top of the sealing barrel 1 is DN200, and a flip sealing device is arranged.

The outlet hose 4 and the cleaning return hose 5 are PVC steel wire hoses. The hose has the characteristics of softness and flexibility, is suitable for various pipeline arrangement scenes, reduces the operation workload, and improves the cleaning convenience.

When the device works, the plastic submerged pump 2 is used as a power device for circularly cleaning the filter element of the filter, cleaning liquid in the sealing barrel 1 is lifted up through the suction pipeline 7 of the plastic submerged pump and enters the security filter through the hose 4 connected with the outlet 8 of the plastic submerged pump.

Example 2

Referring to fig. 2, this embodiment provides a method for cleaning cartridge filter elements using the apparatus of embodiment 1, wherein the cartridge filter to be cleaned is a filtering process for cobaltosic oxide wastewater, the main component of the wastewater is ammonium chloride, the impurity to be removed is oil, and the process for cleaning cartridge filter elements comprises the following steps:

step one, pushing a cleaning device filled with cleaning fluid to the vicinity of a cartridge filter 12;

connecting an outlet hose 4 of the plastic submerged pump with a filter outlet 10 by using a hoop 13, and connecting a cleaning backflow hose 5 with a filter feed inlet 11 by using the hoop 13, so that cleaning liquid of the sealing barrel 1 can be lifted into a security filter 12 through the outlet hose of the pump, and cleaning liquid circulating back in the security filter can also flow back to the sealing barrel 1;

and step three, starting the plastic submerged pump 2, enabling the cleaning liquid in the sealed barrel 1 to enter the security filter 12 through the pump outlet hose 4 and the outlet 10 of the security filter, and then removing the oil adhered to the filter element. The cleaning liquid and the oil are returned to the sealed barrel 1 through the cleaning return hose 5 through the filter feed port 11, and the circular cleaning process is completed.

The cleaning liquid of the device adopts dilute hydrochloric acid, so on the basis of effectively removing oil in the filter element, no new impurity is introduced into cobaltosic oxide wastewater with ammonium chloride as a main component, and the purity of salt produced by evaporation and crystallization of wastewater in the later period is ensured. The device is simple in structure, easy to operate, convenient and fast to disassemble and assemble the cleaning interface, reduces the operation amount of manually updating the filter element, saves labor cost, and saves the maintenance cost of the security filter while realizing the recycling of the security filter. And portable shallow possesses the dual function of bearing equipment and mobile device, can realize the removal of cleaning between the filter of different stations, has made things convenient for belt cleaning device's transportation, has promoted workman's work efficiency.

The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims

1. A movable device for cleaning a cartridge filter element on line is characterized by comprising a sealing barrel (1), a plastic submerged pump (2), a movable cart (3), an outlet hose (4) and a cleaning backflow hose (5);

the sealing barrel (1) contains cleaning fluid and is detachably fixed on the movable cart (3), and the top of the sealing barrel is provided with the plastic submerged pump (2) and a cleaning reflux port (9); the cleaning backflow port (9) is connected with the cleaning backflow hose (5);

the plastic submerged pump (2) is connected with an upper suction pipeline (7) of the pump and is inserted into the bottom of the sealing barrel (1), and a plastic submerged pump outlet (8) is arranged to be connected with the outlet hose (4).

2. The device according to claim 1, characterized in that the top of the sealed barrel (1) is provided with an acid adding port (6); the acid adding port (6) is arranged in a flip-open sealing mode.

3. The apparatus of claim 1, wherein the cleaning solution is 10% -15% diluted hydrochloric acid.

4. Device according to claim 1, characterized in that it is connected to a cartridge filter (12) through the outlet hose (4) and a purge return hose (5).

5. The device according to claim 4, characterized in that the purge return hose (5) is connected to the cartridge filter feed (11) by means of a clamp (13); the outlet hose (4) is connected to the filter outlet (10) by means of a clamp (13).

6. Device according to claim 1, characterized in that the outlet hose (4) and the purge return hose (5) are PVC wire hoses.

7. A method for the removable in-line cleaning of cartridge filter cartridges using the apparatus of any of claims 1-6, comprising the steps of:

step one, pushing the device to the vicinity of a cartridge filter (12);

connecting an outlet hose (4) of the plastic submerged pump with an outlet (10) of the cartridge filter by using the clamp (13), and connecting a cleaning return hose (5) with a filter feeding hole (11) by using the clamp (13);

and step three, starting the plastic submerged pump (2), lifting the dilute hydrochloric acid in the sealed barrel into a security filter (12), and enabling the dilute hydrochloric acid to flow back to the sealed barrel (1), so as to realize circular cleaning.