CN213555532U

CN213555532U - Electroplating wastewater treatment rapid sand filtration device

Info

Publication number: CN213555532U
Application number: CN202022160908.2U
Authority: CN
Inventors: 阳银林
Original assignee: Zhongshan Luyang Environmental Protection Technology Co ltd
Current assignee: Zhongshan Luyang Environmental Protection Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-29
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a quick sand filtration device of electroplating effluent treatment, include the filtering ponds and locate filtering chamber in the filtering ponds, be equipped with the filtering mechanism who cuts off it into filtering chamber and lower filtering chamber in the filtering chambers, filtering mechanism includes first filtering mechanism and second filtering mechanism, be equipped with water recoil mechanism and gas recoil mechanism on the filtering ponds. The utility model discloses simplified the structure when guaranteeing the play water effect, the cost is reduced.

Description

Electroplating wastewater treatment rapid sand filtration device

[ technical field ] A method for producing a semiconductor device

The application relates to the field of sewage treatment equipment, in particular to a rapid sand filtration device for electroplating wastewater treatment.

[ background of the invention ]

The electroplating wastewater needs to be filtered before being discharged, and the sand filtration technology is widely used for advanced treatment of wastewater in order to obtain high-quality effluent, and mainly used for removing inorganic and organic particles in a dispersed suspension state in the water. The existing sand filtering device has complex structure, high cost and difficult popularization and application.

[ Utility model ] content

The utility model discloses complicated to current sand filtration device structure, the improvement is made to problem with high costs, provides the quick sand filtration device of electroplating effluent treatment, include the filtering ponds and locate filtering chamber in the filtering ponds, be equipped with in the filtering chamber and cut off into its filtering mechanism of filter chamber and lower filter chamber, filtering mechanism includes first filtering mechanism and second filtering mechanism, be equipped with water recoil mechanism and gas recoil mechanism on the filtering ponds.

As an improvement of the rapid sand filtration device for electroplating wastewater treatment, the first filtration mechanism comprises a bearing layer and a filter material layer arranged on the bearing layer, the bearing layer comprises a first bearing layer, a second bearing layer and a third bearing layer which are stacked from bottom to top, the thickness of the bearing layer is 80-150 mm, and the thickness of the filter material layer is 600-1000 mm.

As an improvement of the rapid sand filtration device for electroplating wastewater treatment, the bearing layer is cobblestone, and the filter material layer is quartz sand.

As an improvement of the quick sand filtration device for electroplating wastewater treatment, the second filtration mechanism comprises a filtration support bar arranged on the filtration tank and located below the first filtration mechanism, and a plurality of filtration bars arranged side by side are arranged on the filtration support bar.

As an improvement of the quick sand filtration device for electroplating wastewater treatment, the number of the filtration support bars is a plurality of and a plurality of the filtration support bars are connected end to form a frame shape, the filtration support bars are channel steel, and the filtration bars are screw-thread steel.

As an improvement of the quick sand filtration device for electroplating wastewater treatment, the filter tank is provided with pre-buried connecting pieces for fixing the filter supporting strips, the number of the pre-buried connecting pieces is multiple, and the pre-buried connecting pieces are distributed at intervals in the circumferential direction of the filter tank.

As an improvement of the quick sand filtration device for electroplating wastewater treatment, the embedded connecting piece comprises a steel bar arranged in the filtration tank, and a connecting steel plate exposed out of the filtration tank is arranged on the steel bar.

As an improvement of the electroplating wastewater treatment rapid sand filtration device, the water backflushing mechanism comprises a backflushing water inlet pipe communicated with the lower filter cavity and a backflushing water outlet pipe communicated with the upper filter cavity, and the gas backflushing mechanism comprises a backflushing air inlet pipe communicated with the lower filter cavity and an air blower connected to the backflushing air inlet pipe.

As an improvement of the electroplating wastewater treatment rapid sand filtration device, the filtration tank is provided with a filtration water inlet pipe communicated with the upper filtration cavity, a filtration water outlet pipe communicated with the lower filtration cavity and an evacuation pipe, and the inner wall of the filtration tank is provided with an anticorrosive coating.

As an improvement of the electroplating wastewater treatment rapid sand filtration device, the number of the filter tanks is two, the two filter tanks are arranged side by side, the water back-flushing mechanisms on the two filter tanks are communicated with each other, and the gas back-flushing mechanisms on the two filter tanks are communicated with each other.

Compared with the prior art, the utility model has the advantages of as follows:

the utility model provides a quick sand filtration device of electroplating effluent treatment, including filtering ponds, first filtering mechanism, second filtering mechanism, water recoil mechanism and gas recoil mechanism, the utility model discloses simplified the structure when guaranteeing the effect of water, the cost is reduced.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic structural view of the rapid sand filtration device for electroplating wastewater treatment according to the present application;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at C;

FIG. 5 is a schematic structural diagram of a pre-buried connecting member in the rapid sand filtration device for electroplating wastewater treatment.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The rapid sand filtration device for electroplating wastewater treatment shown in fig. 1-5 comprises a filtration tank 1 and a filtration chamber 2 arranged in the filtration tank 1, wherein a filtration mechanism 3 for separating the filtration chamber 2 into an upper filtration chamber 21 and a lower filtration chamber 22 is arranged in the filtration chamber 2, the filtration mechanism 3 comprises a first filtration mechanism 31 and a second filtration mechanism 32, and a water back-flushing mechanism 4 and an air back-flushing mechanism 5 are arranged on the filtration tank 1. Specifically, first filtering mechanism 31 includes bearing layer 311 and locates the precoat 312 on the bearing layer 311, bearing layer 311 is the cobblestone, second filtering mechanism 32 is including setting up in the filtering ponds 1 and being located the filtration support bar 321 of first filtering mechanism 31 below, the quantity of filtering support bar 321 is a plurality of, and is a plurality of it forms the frame shape to filter support bar 321 end to end, be equipped with a plurality of filtration bars 322 that set up side by side on the filtration support bar 321, specifically, it is the channel-section steel to filter support bar 321, it is the screw-thread steel to filter the bar 322, precoat 312 is the quartz sand. The utility model discloses an operation step is as follows, and waste water flows in go up filter chamber 21, and waste water flows through in proper order the precoat 312, bearing layer 311 with enter behind the filter strip 322 filter chamber 22 accomplishes the filtration to waste water down, precoat 312 is quartz sand, the small molecule material of suspension in its effective absorption waste water, filter strip 322 is the screw-thread steel, and it can further filter the small molecule material of suspension in the waste water, improves the water quality. The utility model discloses simplify filter equipment's structure when improving out water quality, reduced manufacturing cost, be favorable to the extensive popularization of enterprise.

Further, the thickness of the supporting layer 311 is 80mm to 150mm, and the supporting layer 311 includes a first supporting layer 3111, a second supporting layer 3112 and a third supporting layer 3113 which are stacked from bottom to top; the first supporting layer 3111, the second supporting layer 3112 and the third supporting layer 3113 adopt cobblestones with different sizes, the sizes of the cobblestones are gradually increased from top to bottom, and the structure can further improve the water outlet quality.

Specifically, the thickness of the filter material layer 312 is 600 mm-1000 mm, and the structure further improves the adsorption capacity and improves the water outlet quality.

Specifically, be equipped with on the filtering ponds 1 and be used for fixing the pre-buried connecting piece 6 of filtration support bar 321, the quantity of pre-buried connecting piece 6 is a plurality of, and is a plurality of pre-buried connecting piece 6 is followed all side direction interval distribution of filtering ponds 1, specifically, pre-buried connecting piece 6 is including setting up reinforcing bar 61 in filtering ponds 1, be equipped with on reinforcing bar 61 expose in the connecting steel plate 62 of filtering ponds 1. This structure has realized right filtering support bar 321's is fixed, improves the stability of structure, reduces cost of maintenance.

Specifically, the water backflushing mechanism 4 comprises a backflushing water inlet pipe 41 communicated with the lower filter cavity 22 and a backflushing water outlet pipe 42 communicated with the upper filter cavity 21, and the gas backflushing mechanism 5 comprises a backflushing air inlet pipe 51 communicated with the lower filter cavity 22 and a blower 52 connected to the backflushing air inlet pipe 51. After the filtering device is used for a period of time, pollutants are remained on the filtering mechanism 3, and the filtering mechanism 3 can be washed and maintained through the water backflushing mechanism 4 and the gas backflushing mechanism 5, so that the service life of the filtering device is prolonged.

Specifically, be equipped with on the filtering ponds 1 with go up the filtration inlet tube of filter chamber 21 intercommunication and with the play aqueduct 8 and the evacuation pipe 9 of filter chamber 22 intercommunication down, evacuation pipe 9 be provided with do benefit to the discharge remaining pollutant avoids secondary pollution in the filter chamber 22 down. The inner wall of the filtering tank 1 is provided with an anticorrosive coating, so that the service life of the device is prolonged.

Further, the number of the filter tanks 1 is two, the two filter tanks 1 are arranged side by side, the water backflushing mechanisms 4 on the two filter tanks 1 are communicated with each other, and the gas backflushing mechanisms 5 on the two filter tanks 1 are communicated with each other. This structure is favorable to improving filtration efficiency.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "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 in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.

Claims

1. Electroplating wastewater handles quick sand filtration device, its characterized in that includes filtering ponds (1) and locates filtering chamber (2) in filtering ponds (1), be equipped with in filtering chamber (2) and cut off into filtering chamber (21) and filtering mechanism (3) of lower filtering chamber (22) with it, filtering mechanism (3) include first filtering mechanism (31) and second filtering mechanism (32), be equipped with water recoil mechanism (4) and gas recoil mechanism (5) on filtering ponds (1).

2. The electroplating wastewater treatment rapid sand filtration device according to claim 1, wherein the first filtration mechanism (31) comprises a support layer (311) and a filter material layer (312) arranged on the support layer (311), the support layer (311) comprises a first support layer (3111), a second support layer (3112) and a third support layer (3113) which are stacked from bottom to top, the thickness of the support layer (311) is 80 mm-150 mm, and the thickness of the filter material layer (312) is 600 mm-1000 mm.

3. The electroplating wastewater treatment rapid sand filtration device according to claim 2, wherein the supporting layer (311) is cobblestone, and the filter material layer (312) is quartz sand.

4. The electroplating wastewater treatment rapid sand filtration device according to claim 1, wherein the second filtration mechanism (32) comprises a filtration support bar (321) which is arranged on the filtration tank (1) and is positioned below the first filtration mechanism (31), and a plurality of filtration bars (322) which are arranged side by side are arranged on the filtration support bar (321).

5. The electroplating wastewater treatment rapid sand filtration device according to claim 4, wherein the number of the filtration support bars (321) is multiple, the filtration support bars (321) are connected end to form a frame shape, the filtration support bars (321) are channel steel, and the filtration bars (322) are screw steel.

6. The electroplating wastewater treatment rapid sand filtration device according to claim 4, wherein pre-embedded connecting pieces (6) for fixing the filtration support bars (321) are arranged on the filtration tank (1), the number of the pre-embedded connecting pieces (6) is multiple, and the pre-embedded connecting pieces (6) are distributed at intervals along the circumferential direction of the filtration tank (1).

7. The electroplating wastewater treatment rapid sand filtration device according to claim 6, wherein the pre-buried connecting piece (6) comprises a steel bar (61) arranged in the filtration tank (1), and a connecting steel plate (62) exposed out of the filtration tank (1) is arranged on the steel bar (61).

8. The electroplating wastewater treatment rapid sand filtration device according to claim 1, wherein the water backflushing mechanism (4) comprises a backflushing water inlet pipe (41) communicated with the lower filter chamber (22) and a backflushing water outlet pipe (42) communicated with the upper filter chamber (21), and the gas backflushing mechanism (5) comprises a backflushing air inlet pipe (51) communicated with the lower filter chamber (22) and an air blower (52) connected to the backflushing air inlet pipe (51).

9. The rapid sand filtration device for electroplating wastewater treatment according to claim 1, wherein a filtration water inlet pipe communicated with the upper filtration cavity (21), a filtration water outlet pipe (8) communicated with the lower filtration cavity (22) and a drain pipe (9) are arranged on the filtration tank (1), and an anti-corrosion layer is arranged on the inner wall of the filtration tank (1).

10. The electroplating wastewater treatment rapid sand filtration device according to claim 1, wherein the number of the filter tanks (1) is two, the two filter tanks (1) are arranged side by side, the water backflushing mechanisms (4) on the two filter tanks (1) are communicated with each other, and the gas backflushing mechanisms (5) on the two filter tanks (1) are communicated with each other.