CN213407912U

CN213407912U - Backflushing system of ceramic filter

Info

Publication number: CN213407912U
Application number: CN202021937646.XU
Authority: CN
Inventors: 周沛; 王清朗; 刘兴才; 杜亚飞
Original assignee: Sichuan Nanjiang Xinxing Mining Co ltd
Current assignee: Sichuan Nanjiang Xinxing Mining Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-11
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a backflushing system of a ceramic filter, which comprises a filter element arranged in the ceramic filter and an air compressor arranged at one side of the ceramic filter, wherein the output end of the air compressor is communicated with a buffer tank through a pipeline, the buffer tank is communicated with a first air supply pipe through a vent pipe, one side of the buffer tank is provided with an air storage tank, the input end of the air storage tank is communicated with the first air supply pipe, the output end of the air storage tank is communicated with one end of a second air supply pipe, the other end of the second air supply pipe is connected with an air-water reversing gate valve arranged at one side of the filter element, one side of the air-water reversing gate valve is communicated with one end of a liquid supply pipe, the air compressor and the air storage tank are arranged at the outer side of the ceramic filter, the medium water originally used for backflushing cleaning the filter plate is, because the medium of back flush is gaseous, can not influence the concentration of ore pulp, be favorable to the filtration of blank more.

Description

Backflushing system of ceramic filter

Technical Field

The utility model belongs to the technical field of mineral granule recovery plant, concretely relates to ceramic filter recoil system.

Background

The ceramic filter is a high-efficiency and energy-saving solid-liquid separation device which is designed on the basis of the action principle of capillary micropores, adopts microporous ceramics as a filter medium and utilizes the capillary action principle of a large amount of narrow and small microporous ceramics. Under the negative pressure operating condition, the micropore ceramic filter plate has the characteristics of water and air impermeability, the pressure difference between the vacuum generated in the inner cavity of the ceramic filter plate and the outside is extracted, the suspended materials in the trough are adsorbed on the ceramic filter plate under the action of the negative pressure, the solid materials are intercepted on the surface of the ceramic plate because of the inability of passing through the micropore ceramic filter plate, and the liquid is smoothly discharged or recycled through the gas-liquid distribution device (vacuum barrel) due to the action of the vacuum pressure difference and the hydrophilicity of the ceramic filter plate, thereby achieving the purpose of solid-liquid separation.

The existing ceramic filter plate is easy to block after long-time use, and the common method for solving the blocking is to use the mineral processing wastewater subjected to advanced treatment to backflush the ceramic filter plate, but the treated material has high water content and low production capacity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ceramic filter backflushing system to the adoption that proposes in solving above-mentioned background art backflushs ceramic filter plate through the ore dressing waste water of advanced treatment, the material moisture content after nevertheless handling is high and the low problem of productivity.

In order to achieve the above object, the utility model provides a following technical scheme: ceramic filter recoil system, including the inside filter core of installation ceramic filter and the air compressor machine of setting in ceramic filter one side, its characterized in that: the air compressor machine output passes through the pipeline and is linked together with the buffer tank, the buffer tank passes through breather pipe and first air supply pipe intercommunication, buffer tank one side is provided with the gas holder, gas holder input and first air supply pipe intercommunication, gas holder output and second air supply pipe one end intercommunication, the second air supply pipe other end is connected with the air water switching-over gate valve of setting in filter core one side, air water switching-over gate valve one side and feed pipe one end intercommunication.

Preferably, the second vent pipe is sequentially provided with a pressure regulating valve, a vent valve and a first pressure gauge, the pressure regulating valve is arranged on one side close to the buffer tank, and the pressure value of the high-pressure gas input into the vent pipe through the air compressor and the buffer tank is regulated by the pressure regulating valve.

Preferably, the second gas supply pipe is sequentially provided with a gas pressure regulating valve, a second pressure gauge and a flow control valve, the gas pressure regulating valve regulates the gas pressure in the second gas supply pipe, and the flow control valve controls the gas flow output by the second gas supply pipe.

Preferably, the liquid supply pipe output end is connected with the gas-water reversing gate valve, the liquid supply pipe input end is connected with the pickling liquid pool, and the liquid supply pipe is provided with a hydraulic valve and a liquid supply switch.

Preferably, the gas-water reversing gate valve is arranged at the backwashing water inlet of the ceramic filter, the gas-water reversing gate valve is provided with two input end interfaces, the two input end interfaces are respectively communicated with the second gas supply pipe and the liquid supply pipe, the output end of the gas-water reversing gate valve is provided with the blowing mechanism, and the second gas supply pipe and the liquid supply pipe are communicated with the backwashing water inlet of the ceramic filter through the gas-water reversing gate valve.

Compared with the prior art, the utility model provides a ceramic filter recoil system possesses following beneficial effect:

the utility model discloses in set up air compressor machine and gas holder outside ceramic filter, change the medium water that originally was used for the clean filter plate of recoil, change high-pressure air into and blow, through jetting device reverse jetting filter plate, high-pressure gas gets rid of the mineral particle in the filter plate micropore, reach the purpose of clean filter plate, because the medium of backwash is gaseous, can not influence the concentration of ore pulp, be more favorable to the filtration of blank, use high-pressure jet gas to blow simultaneously and blow clearly, later communicate with the pickle liquor pipeline through gas water switching-over valve floodgate, carry out the pickling through the pickle liquor to the filter core, pickle liquor pipeline intercommunication purge pipeline is closed to pickle liquor switching-over valve floodgate after the pickling, blow and spout the device and weather filter core and filter plate surface, reach thoroughly clean filter plate, and do not influence the purpose of ore pulp concentration, and the anti-media is air and not the ore dressing waste water, meanwhile, the water content of the filtered material is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a block diagram of the working process of the backflushing system of the ceramic filter provided by the utility model;

in the figure: 1. an air compressor; 2. a buffer tank; 3. a pressure regulating valve; 4. a vent valve; 5. a breather pipe; 6. a first pressure gauge; 7. a first gas supply pipe; 71. a second gas supply pipe; 72. a liquid supply tube; 8. an air pressure regulating valve; 9. a second pressure gauge; 10. a flow control valve; 11. a gas-water reversing gate valve; 12. a hydraulic valve; 13. a liquid supply switch; 14. and (3) a filter element.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the utility model provides a technical solution of a backflushing system of a ceramic filter: a backflushing system of a ceramic filter comprises a filter element 14 arranged in the ceramic filter and an air compressor 1 arranged on one side of the ceramic filter, wherein the output end of the air compressor 1 is communicated with a buffer tank 2 through a pipeline, the buffer tank 2 is communicated with a first air supply pipe 7 through a vent pipe 5, the vent pipe 5 is sequentially provided with a pressure regulating valve 3, a vent valve 4 and a first pressure gauge 6, the pressure regulating valve 3 is arranged on one side close to the buffer tank 2, the pressure regulating valve 3 regulates the pressure value of high-pressure gas input into the vent pipe through the air compressor 1 and the buffer tank 2, meanwhile, the first pressure gauge 6 detects the specific air pressure value in the vent pipe 5, one side of the buffer tank 2 is provided with an air storage tank 15, the first air supply pipe 7 conveys the high-pressure gas into the air storage tank 15 for storage, the input end of the air storage tank 15 is communicated with the first air supply pipe 7, the output end of the air storage tank 15 is, the second air supply pipe 71 is sequentially provided with an air pressure regulating valve 8, a second pressure gauge 9 and a flow control valve 10, the air pressure regulating valve 8 regulates the air pressure in the second air supply pipe 71, the flow control valve 10 controls the air flow output by the second air supply pipe 71, the other end of the second air supply pipe 71 is connected with an air-water reversing gate valve 11 arranged on one side of the filter element 14, one side of the air-water reversing gate valve 11 is communicated with one end of a liquid supply pipe 72, the output end of the liquid supply pipe 72 is connected with the air-water reversing gate valve 11, the output end of the air-water reversing gate valve 11 is provided with a blowing mechanism, the air in the air storage tank 15 is conveyed to the backflushing water suction inlet of the ceramic filter through the air-water reversing gate valve 11 through the second air supply pipe 71, the medium water originally used for backflushing and cleaning the filter plate is blown by high-, the purpose of cleaning the filter plate is achieved, the reverse medium is air which is not mineral processing wastewater, the concentration of the materials can not be diluted for the second time and is stable, meanwhile, the water content of the material after filtration treatment is reduced, when the backflushing medium is water, the water content of the material after treatment of the ceramic filter is about 30-40%, when the backflushing medium is air, the water content of the material after treatment of the ceramic filter is about 20-30%, the input end of a liquid supply pipe 72 is connected with an acid pickling tank, a hydraulic valve 12 and a liquid supply switch 13 are arranged on the liquid supply pipe 72, a gas-water reversing gate valve 11 is arranged at the inlet of backflushing water of the ceramic filter, the gas-water reversing gate valve 11 is provided with two input end interfaces, and the two input end interfaces are respectively communicated with a second air supply pipe 71 and a liquid supply pipe 72, and the second air supply pipe 71 and the liquid supply pipe 72 are communicated with a backwashing water inlet of the ceramic filter through an air-water reversing gate valve 11.

The utility model discloses a theory of operation and use flow, switch on power supply air compressor machine 1 and begin work compressed air, the air that air compressor machine 1 compressed is carried to the buffer tank 2 in through the pipeline, high-pressure gas in the buffer tank 2 is carried to first air supply pipe 7 through breather pipe 5, air-vent valve 3 adjusts the gas pressure that breather pipe 5 got into in first air supply pipe 7, first manometer 6 detects the concrete atmospheric pressure value in the breather pipe 5 simultaneously, first air supply pipe 7 carries high-pressure gas to store in gas holder 15, carry the recoil water intake entrance of ceramic filter through gas-water reversing gate valve 11 with the gas in the gas holder 15 through second air supply pipe 71, the medium water that originally used for the clean filter plate of recoil, high-pressure air is used for blowing clearly instead, through jetting device reverse jetting filter plate, high-pressure gas gets rid of the mineral granule in filter core 14 and the filter plate micropore, reach the purpose of clean filter plate, the gas-water reversing gate valve 1 after cleaning closes the pipeline of the second gas supply pipe 71 and is communicated with the pipeline of the liquid supply pipe 72, the filter element 14 is pickled by the pickling liquid in the liquid supply pipe 72, the gas-water reversing gate valve 11 after pickling closes the pipeline of the pickling liquid and is communicated with the cleaning and blowing pipeline, and the blowing and spraying device dries the filter element 14 and the surface of the filter plate, so that the filter element 14 and the filter plate are thoroughly cleaned.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ceramic filter recoil system, including filter core (14) and air compressor machine (1) of setting in ceramic filter one side of installation ceramic filter inside, its characterized in that: the utility model discloses an air compressor machine, including air compressor machine (1) output, buffer tank (2), breather pipe (5) and first air supply pipe (7) intercommunication are passed through to buffer tank (2), buffer tank (2) one side is provided with gas holder (15), gas holder (15) input and first air supply pipe (7) intercommunication, gas holder (15) output and second air supply pipe (71) one end intercommunication, the second air supply pipe (71) other end is connected with the gas water switching-over gate valve (11) that set up in filter core (14) one side, gas water switching-over gate valve (11) one side and feed pipe (72) one end intercommunication.

2. The ceramic filter backflushing system according to claim 1, wherein: pressure-regulating valve (3), breather valve (4) and first manometer (6) have set gradually on breather pipe (5), pressure-regulating valve (3) set up in the one side that is close to buffer tank (2), and air-regulating valve (3) are adjusted and are inputed the pressure value of high-pressure gas in breather pipe (5) through air compressor machine (1) and buffer tank (2).

3. The ceramic filter backflushing system according to claim 1, wherein: the gas pressure control device is characterized in that a gas pressure regulating valve (8), a second pressure gauge (9) and a flow control valve (10) are sequentially arranged on the second gas supply pipe (71), the gas pressure in the second gas supply pipe (71) is regulated by the gas pressure regulating valve (8), and the gas flow output by the second gas supply pipe (71) is controlled by the flow control valve (10).

4. The ceramic filter backflushing system according to claim 1, wherein: the output end of the liquid supply pipe (72) is connected with the gas-water reversing gate valve (11), the input end of the liquid supply pipe (72) is connected with the pickling liquid pool, and the liquid supply pipe (72) is provided with a hydraulic valve (12) and a liquid supply switch (13).

5. The ceramic filter backflushing system according to claim 1, wherein: the gas-water reversing gate valve (11) is arranged at the backwashing water inlet of the ceramic filter, the gas-water reversing gate valve (11) is provided with two input end interfaces, the two input end interfaces are respectively communicated with a second gas supply pipe (71) and a liquid supply pipe (72), the output end of the gas-water reversing gate valve (11) is provided with a blowing mechanism, and the second gas supply pipe (71) and the liquid supply pipe (72) are communicated with the backwashing water inlet of the ceramic filter through the gas-water reversing gate valve (11).