CN219091384U - Inorganic salt processing is with waste water filter equipment - Google Patents

Abstract

The utility model discloses a wastewater filtering device for inorganic salt processing, which comprises a filtering device and a liquid guide pipeline, wherein the liquid guide pipeline is connected to the filtering device; the filtering device comprises a lower sedimentation tank body, an upper filtering ring, a liquid inlet pipe, a lower fixing ring, filtering plates, pressing rings and a pressing cover, wherein the lower sedimentation tank body is connected with the upper filtering ring, the liquid inlet pipe is communicated with the upper filtering ring, the lower fixing ring is arranged on the inner wall of the upper filtering ring, a plurality of the filtering plates and the pressing rings are alternately arranged on the lower fixing ring, the pressing cover is connected with the upper filtering ring and presses the alternately arranged filtering plates and pressing rings on the lower fixing ring, and a sedimentation plate is arranged in the upper filtering ring; the wastewater filtering device for inorganic salt processing has a simple structure, is convenient and practical, and achieves the effect of automatically filtering thick matters or impurities by arranging the filtering device at the downstream of the secondary sedimentation tank with the drop height so that sewage is injected into the upper filtering ring for filtering by gravity.

Description

Inorganic salt processing is with waste water filter equipment

Technical Field

The utility model belongs to the technical field of wastewater filtration, and particularly relates to a wastewater filtration device for inorganic salt processing.

Background

Inorganic salts are important substances required for the growth of photosynthetic bacteria, and photosynthetic bacteria (Photosynthetic Bacteria, PSB) have the capability of removing and decomposing organic matters due to the capability of tolerating the high-concentration organic matters, so that people treat the high-concentration organic wastewater by utilizing the physiological characteristic of PSB. Compared with an activated sludge method, the PSB treatment method has the advantages of high organic matter load, low equipment consumption, good denitrification and dephosphorization effects, strong salt tolerance, small influence of seasons, comprehensive utilization of generated thalli and the like, so that the PSB treatment of organic wastewater is more and more paid attention to; the high salt concentration of the wastewater for inorganic salt processing brings certain difficulty to biological treatment, and the biological treatment is one of the common methods for wastewater treatment at present, and has the characteristics of wide application range, strong adaptability and the like. Therefore, aiming at the problem of high-concentration salt-containing wastewater treatment, the biological flow of the treatment is mainly introduced, and the biological flow of the high-concentration salt-containing wastewater is basically the same as the common biological flow, and mainly comprises a regulating tank, an aeration tank, a secondary sedimentation tank, sludge reflux, residual sludge dehydration, nutrient salt addition and the like; separating treated water from sludge after the secondary sedimentation tank, and filtering and discharging sewage, wherein the sewage is filtered to remove substances such as thick matters, impurities and the like contained in the sewage; the traditional filtering generally adopts a pump to carry out extraction and filtration, and the mode needs to carry out the sewage filtration by driving through electric power, so that certain electric power consumption is increased, and meanwhile, the cleaning and filtering equipment is relatively trivial.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the wastewater filtering device for inorganic salt processing, which has a simple structure, is convenient and practical, and achieves the effect of automatically filtering thick matters or impurities by arranging the filtering device at the downstream of a secondary sedimentation tank with a drop head so that sewage is injected into an upper filtering ring for filtering by gravity.

The waste water filtering device for inorganic salt processing comprises a filtering device and a liquid guide pipeline, wherein the liquid guide pipeline is connected to the filtering device; the filter device comprises a lower sedimentation tank body, an upper filter ring, a liquid inlet pipe, a lower fixing ring, a filter plate, a pressing ring and a pressing cover, wherein the lower sedimentation tank body is connected with the upper filter ring, the liquid inlet pipe is communicated with the upper filter ring, the lower fixing ring is arranged on the inner wall of the upper filter ring, the filter plate and the pressing ring are alternately arranged on the lower fixing ring, the pressing cover is connected on the upper filter ring and presses the filter plate and the pressing ring which are alternately arranged on the lower fixing ring, a sedimentation plate is arranged in the upper filter ring, the liquid inlet pipe is arranged between the sedimentation plate and the lower fixing ring, and a stop valve is arranged on the liquid inlet pipe.

Preferably, the sedimentation plate comprises a plurality of wavy plates, and the sedimentation plate comprises a plurality of wavy plates.

Preferably, the wavy plate is obliquely arranged.

Preferably, including precipitation drain pipe and filter cloth, precipitation drain pipe one end sets up in lower precipitation tank body and the other end runs through lower precipitation tank body and liquid guide pipeline connection, the filter cloth parcel is on the precipitation drain pipe that is located lower precipitation tank body, a plurality of drain hole has been seted up on the precipitation drain pipe of filter cloth parcel part.

Preferably, the liquid guide pipeline comprises a liquid discharge pipe, a switching valve, a liquid discharge circulating pipe and a flushing pump, wherein the liquid discharge pipe is connected to the gland for discharging liquid, the flushing pump is arranged on the liquid discharge pipe, and the liquid discharge circulating pipe is connected with the precipitation liquid outlet pipe through the switching valve.

Preferably, a pressure gauge is arranged on the lower precipitation tank body.

The beneficial effects are that:

(1) The wastewater filtering device for inorganic salt processing has a simple structure, is convenient and practical, and achieves the effect of automatically filtering thick matters or impurities by arranging the filtering device at the downstream of the secondary sedimentation tank with the drop height so that sewage is injected into the upper filtering ring for filtering by gravity.

(2) According to the wastewater filtering device for inorganic salt processing, fluctuation of wastewater introduced by the liquid inlet pipe is reduced through the sedimentation plate, and the phenomenon that scattered thick matters or impurities are adsorbed on the filter plate along with the wastewater due to impact scattering caused by the influence of the thick matters or impurities precipitated in the lower sedimentation tank body by the introduced wastewater is avoided.

(3) According to the wastewater filtering device for inorganic salt processing, the filtered water is led into the upper filtering ring for flushing the filter plate by the flushing pump, so that the thick matters or impurities attached to the filter plate fall off and enter the lower precipitation tank body, and the cleaning times of the filter plate are reduced.

Drawings

FIG. 1 is a schematic diagram of a filter device;

FIG. 2 is a schematic view of the internal structure of the filtering device;

1-filtering device, 11-lower precipitation tank body, 12-upper filtering ring, 13-liquid inlet pipe, 14-precipitation liquid outlet pipe, 15-liquid outlet hole, 16-precipitation plate, 17-wave-shaped plate, 18-lower fixing ring, 19-filtering plate, 110-pressing ring, 111-gland, 2-liquid guide pipe, 21-liquid discharge pipe, 22-switching valve and 23-liquid discharge circulating pipe.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1; the waste water filtering device for inorganic salt processing comprises a filtering device 1 and a liquid guide pipeline 2, wherein the liquid guide pipeline 2 is connected to the filtering device 1; the filtering device 1 comprises a lower precipitation tank 11, an upper filtering ring 12, a liquid inlet pipe 13, a lower fixing ring 18, a filtering plate 19, a pressing ring 110 and a pressing cover 111, wherein the lower precipitation tank 11 is connected with the upper filtering ring 12, the liquid inlet pipe 13 is communicated with the upper filtering ring 12, the lower fixing ring 18 is arranged on the inner wall of the upper filtering ring 12, a plurality of filtering plates 19 and the pressing ring 110 are alternately arranged on the lower fixing ring 18, the pressing cover 111 is connected on the upper filtering ring 12 and presses the alternately arranged filtering plates 19 and pressing rings 110 on the lower fixing ring 18, a precipitation plate 16 is arranged in the upper filtering ring 12, the liquid inlet pipe 13 is arranged between the precipitation plate 16 and the lower fixing ring 18, and a stop valve is arranged on the liquid inlet pipe 13; the sedimentation plate 16 comprises a plurality of wavy plates 17, and the sedimentation plate 16 is composed of a plurality of wavy plates 17; the wavy plate 17 is obliquely arranged; the liquid outlet device comprises a precipitation liquid outlet pipe 14 and filter cloth, wherein one end of the precipitation liquid outlet pipe 14 is arranged in a lower precipitation tank 11, the other end of the precipitation liquid outlet pipe penetrates through the lower precipitation tank 11 and is connected with a liquid guide pipeline 2, the filter cloth is wrapped on the precipitation liquid outlet pipe 14 positioned in the lower precipitation tank 11, and a plurality of liquid outlet holes 15 are formed in the precipitation liquid outlet pipe 14 of a wrapping part of the filter cloth; the liquid guide pipeline 2 comprises a liquid discharge pipe 21, a switching valve 22, a liquid discharge circulating pipe 23 and a flushing pump, wherein the liquid discharge pipe 21 is connected to the gland 111 for discharging liquid, the flushing pump is arranged on the liquid discharge pipe 21, and the liquid discharge circulating pipe 23 is connected with the precipitation liquid outlet pipe 14 through the switching valve 22; the lower precipitation tank 11 is provided with a pressure gauge.

The filtering device 1 is arranged below a secondary sedimentation tank water outlet, the drop distance is at least 1.5 meters, the filtering pressure is provided by the drop of sewage discharge, the sewage is guided into the upper filtering ring 12 through the drop gravity by the liquid inlet pipe 13, the sewage is filtered by at least one layer of filtering plates 19, and the filtered sewage is guided out through the liquid discharge pipe 21; when the filter plate 19 is backwashed, a stop valve on the liquid inlet pipe 13 is closed, and meanwhile, a switching valve 22 and a flushing pump are opened, so that filtered water is led into the upper filter ring 12 through a liquid discharge pipe 21, the filtered water passes through the filter plate 19, thick matters or impurities attached to the filter plate 19 are flushed and fall off, the fallen thick matters or impurities enter the lower precipitation tank 11 along with the water, sewage passes through filter cloth and is led into a liquid discharge circulation pipe 23 through a precipitation liquid outlet pipe 14 and is led out, the attached thick matters or impurities can be left in the lower precipitation tank 11, and the pressure in the lower precipitation tank 11 is ensured during flushing, so that the excessive pressure in the lower precipitation tank 11 is avoided; the sedimentation plate 16 is arranged to reduce the influence of the sewage flow introduced into the upper filter ring 12 on the sedimentation thick matters or impurities in the lower sedimentation tank 11; while the inclined arrangement of the corrugated plate 17 allows for the precipitation of concentrate or impurities into the lower precipitation tank 11 while reducing the influence of the flow of sewage introduced into the upper filter collar 12.

The above description of the specific embodiments of the present utility model has been given by way of example only, and the present utility model is not limited to the above description of the specific embodiments. Any equivalent modifications and substitutions for the present utility model will occur to those skilled in the art, and are also within the scope of the present utility model. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present utility model without departing from the spirit and scope thereof.

Claims (6)

1. The waste water filtering device for inorganic salt processing comprises a filtering device (1) and a liquid guide pipeline (2), wherein the liquid guide pipeline (2) is connected to the filtering device (1); the utility model provides a filter equipment (1) including lower precipitation tank body (11), go up filtering circle (12), feed liquor pipe (13), lower retainer plate (18), filter (19), clamping ring (110) and gland (111), lower precipitation tank body (11) are in the same place with last filtering circle (12), feed liquor pipe (13) and last filtering circle (12) intercommunication, lower retainer plate (18) set up on last filtering circle (12) inner wall, a plurality of filter (19) and clamping ring (110) set up alternately on lower retainer plate (18), gland (111) are connected on last filtering circle (12) and compress tightly filter (19) and clamping ring (110) that set up alternately on lower retainer plate (18), its characterized in that: the upper filter ring (12) is internally provided with a sedimentation plate (16), the liquid inlet pipe (13) is arranged between the sedimentation plate (16) and the lower fixed ring (18), and the liquid inlet pipe (13) is provided with a stop valve.

2. A wastewater filtration device for inorganic salt processing as claimed in claim 1, wherein: the sedimentation plate (16) comprises a plurality of wavy plates (17), and the sedimentation plate (16) is composed of a plurality of wavy plates (17).

3. A wastewater filtration device for inorganic salt processing as claimed in claim 2, wherein: the wavy plate (17) is obliquely arranged.

4. A wastewater filtration device for inorganic salt processing according to claim 1 or 3, wherein: including precipitation drain pipe (14) and filter cloth, precipitation drain pipe (14) one end sets up in lower precipitation tank body (11) and the other end runs through lower precipitation tank body (11) and is connected with catheter tube (2), the filter cloth parcel is on being located precipitation drain pipe (14) of lower precipitation tank body (11), a plurality of drain hole (15) have been seted up on the precipitation drain pipe (14) of filter cloth parcel part.

5. The wastewater filtering device for inorganic salt processing as claimed in claim 4, wherein: the liquid guide pipeline (2) comprises a liquid discharge pipe (21), a switching valve (22), a liquid discharge circulating pipe (23) and a flushing pump, wherein the liquid discharge pipe (21) is connected to the gland (111) for discharging liquid, the flushing pump is arranged on the liquid discharge pipe (21), and the liquid discharge circulating pipe (23) is connected with the precipitation liquid outlet pipe (14) through the switching valve (22).

6. The wastewater filtering device for inorganic salt processing according to claim 5, wherein: the lower precipitation tank body (11) is provided with a pressure gauge.

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