Cleaning wastewater filter tank

Abstract

The utility model provides a cleaning wastewater filter tank which comprises a tank body, a water inlet, a water outlet, and a first-stage filter assembly, a second-stage filter assembly and a third-stage filter assembly which are arranged at intervals along the length direction of the tank body, the box body is divided into a first-stage filtering partition, a second-stage filtering partition, a third-stage filtering partition and a fourth-stage filtering partition in the length direction of the box body through the multi-stage filtering assembly; industrial cleaning wastewater can enter the water tank from the water inlet, sequentially passes through the first-stage filter partition, the first-stage filter assembly, the second-stage filter partition, the second-stage filter assembly, the third-stage filter partition, the third-stage filter assembly and the fourth-stage filter partition and then is discharged from the water outlet after physical purification, and pollution such as waste oil and waste residues can be cleaned on line. Compared with a traditional secondary filter chamber and chemical water purification, the water purification device has the advantages that the water purification capacity is remarkably enhanced, continuous online purification can be realized, the water purification cost is reduced, and the water purification device is green, pollution-free, simple to operate and convenient to popularize and implement.

Description

Technical Field

[0001] This application belongs to the technical field of industrial wastewater purification, and particularly relates to a cleaning wastewater filtration tank. Background Art

[0002] In the prior art, industrial cleaning wastewater generally refers to the industrial wastewater generated during industrial cleaning processes. The main pollutants therein include contaminants on the plastic surface, broken plastics, waste oil, waste paper, etc.

[0003] In the prior art, industrial cleaning wastewater is usually simply purified by two-stage filtration, sedimentation, and oil separation before being recycled. The purification degree is insufficient, and it is unable to effectively remove grease, sludge, and sediment impurities simultaneously. In the prior art, industrial cleaning wastewater can also be purified by adding a water purifying agent thereto. On the one hand, after adding the water purifying agent, the water purifying agent still needs to be neutralized subsequently to reduce the pollution of the purified industrial cleaning wastewater to the ecosystem. On the other hand, physical pressure filtration is still required after adding the water purifying agent. The treatment cycle of industrial cleaning wastewater is long and the cost is high, and it is impossible to achieve on-line continuous purification and recycling. There is an urgent need for improvement. Utility Model Content

[0004] In order to solve the technical problem in the prior art that during the purification process of industrial cleaning wastewater, a relatively simple two-stage filtration compartment is usually used for purification, its purification ability for industrial cleaning wastewater is insufficient, and the purified cleaning wastewater still contains grease and sediment, and the purification cost of industrial cleaning wastewater is increased by adding a chemical purifying agent, this application proposes a cleaning wastewater filtration tank.

[0005] This application adopts the following solution. A cleaning wastewater filtration tank includes a box body, a water inlet provided at one end of the box body, a water outlet provided at the other end of the box body, a primary filtration component, a secondary filtration component, and a tertiary filtration component that are arranged in the box body at intervals in sequence along the direction from the water inlet to the water outlet. Each stage of the filtration component divides the box body into a primary filtration compartment, a secondary filtration compartment, a tertiary filtration compartment, and a quaternary filtration compartment in sequence along the direction from the water inlet to the water outlet.

[0006] Furthermore, the primary filtration component includes a primary basket filter screen erected on the primary filtration compartment and corresponding to the position of the water inlet, and a side filter screen provided between the primary filtration compartment and the secondary filtration compartment.

[0007] Furthermore, the secondary filtration component includes a first baffle disposed on one side of the secondary filtration partition near the primary filtration partition, a second baffle disposed on one side of the secondary filtration partition near the tertiary filtration partition, and a third baffle disposed between the first baffle and the second baffle. The first baffle extends from the top surface to the bottom surface of the secondary filtration partition, and the second baffle and the third baffle extend from the bottom surface to the top surface of the secondary filtration partition.

[0008] Furthermore, the secondary filtration component further includes an oil sump disposed in the secondary filtration partition and corresponding to the top of the first baffle, an oil discharge pipe disposed in the secondary filtration partition and corresponding to the oil sump. Using the principle that the density of oil is lower than that of water, the floating oil is continuously and automatically discharged through the oil discharge pipe at the overflow port, and a secondary basket filter screen is disposed between the secondary filtration partition and the tertiary filtration partition.

[0009] Furthermore, the plane where the oil sump opening is located is lower than the top surface of the first baffle relative to the bottom surface of the secondary filtration partition.

[0010] Furthermore, the height a of the first baffle, the height b of the second baffle, and the height c of the third baffle satisfy the following relationship: a = c < b.

[0011] Furthermore, the tertiary filtration component includes a fourth baffle disposed on the secondary basket filter screen, a tertiary basket filter screen disposed between the tertiary filtration partition and the quaternary filtration partition, and a mud guiding component disposed between the fourth baffle and the tertiary basket filter screen.

[0012] Furthermore, the mud guiding component includes a mud guiding groove disposed between the fourth baffle and the tertiary basket filter screen, a mud blocking plate disposed on the mud guiding groove, and a mud discharge pipe disposed on the tertiary filtration partition.

[0013] Furthermore, the mud blocking plate includes a plurality of mud blocking pieces arranged alternately along the length direction of the tertiary filtration partition. An angle A is provided between two adjacent mud blocking pieces, and the plurality of mud blocking pieces are integrally formed.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The present application provides a cleaning wastewater filtration tank, which includes a box body, a water inlet, a water outlet, and a primary filtration component, a secondary filtration component, and a tertiary filtration component that are arranged at intervals along the length direction of the box body. The multi-stage filtration components divide the box body into a primary filtration compartment, a secondary filtration compartment, a tertiary filtration compartment, and a quaternary filtration compartment along its length direction. Industrial cleaning wastewater can enter the water tank through the water inlet and pass through the primary filtration compartment, the primary filtration component, the secondary filtration compartment, the secondary filtration component, the tertiary filtration compartment, the tertiary filtration component, and the quaternary filtration compartment in sequence, and then be discharged from the water outlet as the physically purified industrial cleaning wastewater. Pollutions such as waste oil and waste residue can be cleaned online without the need for production suspension and without affecting the purification effect. Compared with traditional secondary filtration chambers and chemical water purification, it not only significantly enhances the water purification ability, but also can continuously purify online, and reduces the water purification cost. It has the advantages of being green and pollution-free, simple to operate, and convenient to promote and implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below.

[0017] Figure 1 is a schematic structural diagram of a cleaning wastewater filtration tank of the present application.

[0018] Figure 2 is a schematic structural diagram of a cleaning wastewater filtration tank of the present application after removing the cover plate.

[0019] Figure 3 is a top view of a cleaning wastewater filtration tank of the present application.

[0020] Figure 4 is the present application Figure 3 a cross-sectional view taken along line A-A in

[0021] Figure 5 is a schematic diagram of the water flow during the filtration process of a cleaning wastewater filtration tank of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] As shown in Figures 1-5 a cleaning wastewater filtration tank includes a box body 1, a water inlet 10 provided at one end of the box body 1, a water outlet 11 provided at the other end of the box body 1, a primary filtration component 2, a secondary filtration component 3, and a tertiary filtration component 4 that are arranged in sequence at intervals along the direction from the water inlet 10 to the water outlet 11 inside the box body 1. Each stage of the filtration component divides the box body 1 into a primary filtration compartment 12, a secondary filtration compartment 13, a tertiary filtration compartment 14, and a quaternary filtration compartment 15 in sequence along the direction from the water inlet 10 to the water outlet 11.

[0023] The present application provides a cleaning wastewater filtration tank, which includes a box body, a water inlet, a water outlet, and a primary filtration component, a secondary filtration component, and a tertiary filtration component that are arranged at intervals along the length direction of the box body. The box body is divided into a primary filtration compartment, a secondary filtration compartment, a tertiary filtration compartment, and a quaternary filtration compartment along its length direction by the multi-stage filtration components. Industrial cleaning wastewater can enter the water tank through the water inlet and pass through the primary filtration compartment, the primary filtration component, the secondary filtration compartment, the secondary filtration component, the tertiary filtration compartment, the tertiary filtration component, and the quaternary filtration compartment in sequence, and then be discharged from the water outlet as the physically purified industrial cleaning wastewater. Pollutions such as waste oil and waste residue can be cleaned online, without the need for production suspension and without affecting the purification effect. Compared with traditional secondary filtration chambers and chemical water purification, it not only significantly enhances the water purification ability, but also can continuously purify online, and reduces the water purification cost. It has the advantages of being green and pollution-free, simple to operate, and convenient for popularization and implementation.

[0024] During the implementation of this embodiment, the primary filtration component 2 includes a primary basket filter screen 20 erected on the primary filtration compartment 12 and located at the corresponding position of the water inlet 10, and a side filter screen 21 arranged between the primary filtration compartment 12 and the secondary filtration compartment 13.

[0025] During the actual implementation process, industrial cleaning wastewater can enter the primary filtration compartment from the water inlet. As Figure 5 shown, the mesh size of the primary basket filter screen is 5 meshes, which can intercept and filter impurities and plastic particles larger than five meshes; the mesh size of the side filter screen is 2 meshes, which can prevent plastic particles with a size of 2-5 meshes from flowing into the secondary filtration compartment along with the water flow. The basket filter screen and the side filter screen can be replaced online without affecting the filtration effect, and the oil can be drained continuously.

[0026] During the implementation of this embodiment, the secondary filtration component 3 includes a first baffle 30 arranged on the side of the secondary filtration compartment 13 close to the primary filtration compartment 12, a second baffle 31 arranged on the side of the secondary filtration compartment 13 close to the tertiary filtration compartment 14, and a third baffle 32 arranged between the first baffle 30 and the second baffle 31. The first baffle 30 extends from the top surface of the secondary filtration compartment 13 to the bottom surface of the secondary filtration compartment 13, and the second baffle 31 and the third baffle 32 extend from the bottom surface of the secondary filtration compartment 13 to the top surface of the secondary filtration compartment 13.

[0027] During the actual implementation process, after the industrial cleaning wastewater passes through the primary filtration component and the primary filtration compartment and under the action of the first baffle, the floating oil in the industrial cleaning wastewater can overflow into the oil collection tank, and the waste oil in the oil collection tank can be discharged through the oil discharge pipe.

[0028] During the implementation of this embodiment, the secondary filtration component 3 further includes an oil sump 33 provided in the secondary filtration partition 13 and corresponding to the top position of the first baffle 30, an oil discharge pipe 34 provided in the secondary filtration partition 13 and corresponding to the position of the oil sump 33, and a secondary basket filter screen 35 provided between the secondary filtration partition 13 and the tertiary filtration partition 14.

[0029] During the implementation of this embodiment, the height of the plane where the mouth of the oil sump 33 is located relative to the bottom surface of the secondary filtration partition 13 is less than the height of the top surface of the first baffle 30 relative to the bottom surface of the secondary filtration partition 13.

[0030] During the actual implementation process, by making the height of the plane where the mouth of the oil sump is located relative to the bottom surface of the secondary filtration partition lower than the height of the top surface of the first baffle relative to the bottom surface of the secondary filtration partition, when the industrial cleaning wastewater passes through the side filter screen, the floating oil on the surface can overflow and be sorted into the oil sump. When the industrial cleaning wastewater continuously enters the box body, the floating oil on the surface of the industrial cleaning wastewater can be effectively removed, which has the advantages of strong continuity and strong filtering ability.

[0031] During the implementation of this embodiment, the height a of the first baffle 30, the height b of the second baffle 31, and the height c of the third baffle 32 satisfy the following relationship: a = c < b.

[0032] During the actual implementation process, by setting the heights of the first baffle, the second baffle, and the third baffle, the filtration travel of the industrial cleaning wastewater in the box body can be effectively increased, and the filtration effect can be improved.

[0033] During the implementation of this embodiment, the tertiary filtration component 4 includes a fourth baffle 40 provided on the secondary basket filter screen 35, a tertiary basket filter screen 41 provided between the tertiary filtration partition 14 and the quaternary filtration partition 15, and a sludge guiding component 42 provided between the fourth baffle 40 and the tertiary basket filter screen 41.

[0034] During the actual implementation process, the mesh number of the secondary basket filter screen 35 is 10 meshes, which can intercept impurities and particulate matters in the industrial cleaning wastewater again and improve the filtration efficiency of the industrial cleaning wastewater.

[0035] During the implementation of this embodiment, the sludge guiding component 42 includes a sludge guiding groove 420 provided between the fourth baffle 40 and the tertiary basket filter screen 41, a mud blocking plate 421 provided on the sludge guiding groove 420, and a sludge discharge pipe 422 provided on the tertiary filtration partition 14.

[0036] During the implementation of this embodiment, the mud blocking plate 421 includes a plurality of mud blocking pieces 5 arranged alternately along the length direction of the tertiary filtration partition 14. An angle A is provided between adjacent two mud blocking pieces 5, and the plurality of mud blocking pieces 5 are integrally formed.

[0037] In the actual implementation process, the industrial cleaning wastewater entering the third-stage filtration partition contains certain pollutants with flocculation effects. By setting the length of the third-stage filtration partition longer than that of the second-stage filtration partition, the flow rate of the industrial cleaning wastewater in the third-stage filtration partition can be effectively reduced. Through further collision between the baffle plate and the water flow, the water flow rate is further reduced, driving the pollutants with flocculation effects in the industrial cleaning wastewater to spontaneously combine with sludge particles and flocculate and precipitate at the bottom of the third-stage filtration partition and be discharged through the sludge discharge pipe. A sludge guide groove is arranged below the baffle plate, which can effectively concentrate the precipitated silt in the industrial cleaning wastewater in the sludge guide groove and then stably precipitate it.

[0038] In the actual implementation process, the mesh number of the third-stage basket filter is 20 meshes, which can filter the solid impurities in the water body again. The clarified industrial cleaning wastewater can be collected in the fourth-stage filtration partition and discharged from the water outlet.

[0039] The present application provides a cleaning wastewater filtration tank, which includes a box body, a water inlet, a water outlet, and a first-stage filtration component, a second-stage filtration component, and a third-stage filtration component arranged at intervals along the length direction of the box body. The box body is divided into a first-stage filtration partition, a second-stage filtration partition, a third-stage filtration partition, and a fourth-stage filtration partition along its length direction by the multi-stage filtration components. The industrial cleaning wastewater can enter the water tank from the water inlet and pass through the first-stage filtration partition, the first-stage filtration component, the second-stage filtration partition, the second-stage filtration component, the third-stage filtration partition, the third-stage filtration component, and the fourth-stage filtration partition in sequence, and then the physically purified industrial cleaning wastewater is discharged from the water outlet. Pollutions such as waste oil and waste residues can be cleaned online, without the need for production suspension and without affecting the purification effect. Compared with the traditional second-stage filtration chamber and chemical water purification, it not only significantly enhances the water purification ability, but also can continuously purify online, and reduces the water purification cost. It has the advantages of being green and pollution-free, simple to operate, and convenient for popularization and implementation.

[0040] The above are the embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cleaning wastewater filtration tank, characterized in that, It includes a box body (1), a water inlet (10) provided at one end of the box body (1), a water outlet (11) provided at the other end of the box body (1), a primary filtration component (2), a secondary filtration component (3), and a tertiary filtration component (4) which are arranged in the box body (1) at intervals in the direction from the water inlet (10) to the water outlet (11). Each filtration component divides the box body (1) into a primary filtration compartment (12), a secondary filtration compartment (13), a tertiary filtration compartment (14), and a quaternary filtration compartment (15) in sequence along the direction from the water inlet (10) to the water outlet (11).

2. The filtering tank for cleaning wastewater according to claim 1, wherein The primary filtration component (2) includes a primary basket filter net (20) erected on the primary filtration compartment (12) at a position corresponding to the water inlet (10), and a side filter net (21) provided between the primary filtration compartment (12) and the secondary filtration compartment (13).

3. A cleaning wastewater filtration tank according to claim 1, characterized in that, The secondary filtration component (3) includes a first baffle (30) provided on the side of the secondary filtration compartment (13) close to the primary filtration compartment (12), a second baffle (31) provided on the side of the secondary filtration compartment (13) close to the tertiary filtration compartment (14), and a third baffle (32) provided between the first baffle (30) and the second baffle (31). The first baffle (30) extends from the top surface of the secondary filtration compartment (13) to the bottom surface of the secondary filtration compartment (13), and the second baffle (31) and the third baffle (32) extend from the bottom surface of the secondary filtration compartment (13) to the top surface of the secondary filtration compartment (13).

4. A cleaning wastewater filtering tank according to claim 3, characterized in that, The secondary filtration component (3) further includes an oil collecting tank (33) provided in the secondary filtration compartment (13) at a position corresponding to the top of the first baffle (30), an oil discharge pipe (34) provided in the secondary filtration compartment (13) at a position corresponding to the oil collecting tank (33), and a secondary basket filter net (35) provided between the secondary filtration compartment (13) and the tertiary filtration compartment (14).

5. A cleaning wastewater filtration tank according to claim 4, wherein, The plane where the notch of the oil collecting tank (33) is located is lower than the top surface of the first baffle (30) relative to the bottom surface of the secondary filtration compartment (13).

6. The filtering tank for cleaning wastewater according to claim 4, wherein The height a of the first baffle (30), the height b of the second baffle (31), and the height c of the third baffle (32) satisfy the following relationship: a = c < b.

7. The filtering tank for cleaning wastewater according to claim 4, wherein The tertiary filtration component (4) includes a fourth baffle (40) provided on the secondary basket filter net (35), a tertiary basket filter net (41) provided between the tertiary filtration compartment (14) and the quaternary filtration compartment (15), and a mud guiding component (42) provided between the fourth baffle (40) and the tertiary basket filter net (41).

8. A cleaning wastewater filtration tank according to claim 7, characterized in that, The mud guiding component (42) includes a mud guiding groove (420) provided between the fourth baffle (40) and the tertiary basket filter net (41), a mud blocking plate (421) provided on the mud guiding groove (420), and a mud discharge pipe (422) provided on the tertiary filtration compartment (14).

9. A cleaning wastewater filtration tank according to claim 8, characterized in that, The mudguard (421) includes a plurality of mud flaps (5) arranged in a staggered manner along the length direction of the three-stage filtration partition (14), an included angle A is provided between two adjacent mud flaps (5), and the plurality of mud flaps (5) are integrally formed.

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