Wastewater treatment plant

Abstract

The present invention relates to the field of wastewater treatment technology, and in particular to a wastewater treatment device, comprising: a wastewater treatment chamber, at least two-stage treatment mechanisms and an attachment mechanism, wherein the at least two-stage treatment mechanisms are sequentially arranged in the wastewater treatment chamber, and a water inlet and a water outlet are respectively arranged on the wastewater treatment chamber, so that the wastewater to be treated entering from the water inlet is discharged from the water outlet after passing through the at least two-stage treatment mechanisms, and the attachment structure is arranged in the wastewater treatment chamber, and the attachment structure is used to attach a catalyst. In the wastewater treatment device, wastewater is filtered sequentially through the at least two-stage treatment mechanisms, and at the same time, the wastewater fully contacts and reacts with the catalyst in the attachment structure, and then the wastewater is discharged from the water outlet of the wastewater treatment device, thereby greatly improving the wastewater treatment efficiency of the present invention and improving the wastewater treatment effect.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment device. Background Art

[0002] With the continuous development of economy and technology, environmental pollution problems are becoming more and more serious, especially water pollution, and the types and sources of pollution sources are becoming more and more complex. At present, wastewater treatment devices on the market mostly use physical, chemical and biological methods, among which photochemical catalysis has achieved relatively good results in wastewater treatment. However, the photocatalytic treatment devices on the market currently either directly perform chemical filtration without physical filtration, or perform chemical filtration after physical filtration once, and both cannot filter impurities well; and the catalyst filling method of the current treatment device is relatively primitive, which also causes the catalyst to be unable to mix well with impurities, which greatly reduces the catalytic efficiency. Summary of the invention

[0003] In view of this, in order to solve the problems of complicated operation and low catalytic efficiency in existing wastewater treatment, the present application proposes a wastewater treatment device.

[0004] To achieve the above objectives, this application adopts the following scheme:

[0005] A wastewater treatment device comprises a wastewater treatment chamber and at least two-stage treatment mechanisms, and an attachment structure. The at least two-stage treatment mechanisms are sequentially arranged in the wastewater treatment chamber. A water inlet and a water outlet are respectively arranged on the wastewater treatment chamber, so that the wastewater to be treated entering from the water inlet is discharged from the water outlet after passing through the at least two-stage treatment mechanisms. The attachment structure is arranged in the wastewater treatment chamber, and the attachment structure is used to attach a catalyst.

[0006] In one embodiment, at least two-stage treatment mechanisms include a first treatment mechanism and a second treatment mechanism. The first treatment mechanism is arranged in the wastewater treatment chamber near the water inlet, and is used to perform a primary treatment on the wastewater to be treated entering from the water inlet. The outlet of the first treatment mechanism is connected to the inlet of the second treatment mechanism.

[0007] In one embodiment, the first treatment mechanism includes a filter chamber, which is fixedly installed at the water inlet of the wastewater treatment chamber, and the filter chamber contains filter material.

[0008] In one embodiment, the second treatment mechanism includes a filter drum, which is rotatably disposed in the wastewater treatment chamber. The filter drum is a barrel-shaped structure with an opening at one end. The opening of the filter drum is connected to the outlet of the first treatment mechanism, and a water outlet hole is opened on the circumference of the filter drum.

[0009] In one of the embodiments, the attachment structure includes an attachment net and a fixed bracket, the attachment net is fixedly mounted on the fixed bracket, the fixed bracket is sleeved outside the filter drum, and the fixed bracket can rotate under the drive of the filter drum.

[0010] In one embodiment, the wastewater treatment device also includes a differential transmission structure, which is arranged between the fixed bracket and the filter drum, and the differential transmission structure is used to transmit the higher speed rotation of the filter drum to the fixed bracket at a lower speed so that the fixed bracket rotates at a lower speed.

[0011] In one embodiment, the differential transmission structure includes a first ring gear, a second ring gear and a transmission gear. The first ring gear is fixed on the filter drum, the second ring gear is fixed on the fixed bracket, the transmission gear is arranged between the first ring gear and the second ring gear and the transmission gear is respectively meshed with the first ring gear and the second ring gear, and the number of teeth of the first ring gear is less than the number of teeth of the second ring gear.

[0012] In one embodiment, the attachment net includes a plurality of plate-shaped net bodies, each of which is vertically mounted on a fixed bracket, and the plurality of plate-shaped net bodies are distributed in sequence and at intervals along the circumference of the fixed bracket.

[0013] In one embodiment, the wastewater treatment device further includes an ultraviolet lamp, which is disposed on the inner wall of the wastewater treatment chamber.

[0014] In one of the embodiments, the wastewater treatment chamber is further provided with an air inlet, and the air inlet is used to introduce oxygen-containing gas into the wastewater treatment chamber.

[0015] The above wastewater treatment device has at least the following beneficial effects:

[0016] The wastewater treatment device of the present invention includes a wastewater treatment chamber, at least two-stage treatment mechanisms and an attachment structure. For example, the at least two-stage treatment mechanism includes a first treatment mechanism and a second treatment mechanism. The first treatment mechanism and the second treatment mechanism are both arranged inside the wastewater treatment chamber, and the first treatment mechanism is connected to the second treatment mechanism. When the wastewater enters the wastewater treatment chamber from the water inlet and passes through the first treatment mechanism, the wastewater is filtered for the first time. The wastewater filtered for the first time then enters the second treatment mechanism, is filtered by the second treatment mechanism, and is fully contacted and reacted with the catalyst attached to the attachment structure. After at least two filtrations and sufficient catalytic reactions, the wastewater is discharged from the water outlet of the wastewater treatment device. Thereby, the wastewater treatment efficiency of the present invention is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a wastewater treatment device provided by an embodiment of the present invention;

[0018] Figure 2for Figure 1 A schematic diagram of a portion of the structure of the wastewater treatment chamber in the structure shown;

[0019] Figure 3 for Figure 1 A schematic structural diagram of a first processing mechanism in the structure shown;

[0020] Figure 4 for Figure 1 A schematic diagram of the structure of the second processing mechanism in the structure shown;

[0021] Figure 5 for Figure 1 A schematic diagram of the structure of the attachment structure in the structure shown;

[0022] Figure 6 for Figure 1 Structural schematic diagram of the differential transmission structure in the structure shown.

[0023] in:

[0024] 100-wastewater treatment chamber;

[0025] 110-water inlet; 120-water outlet; 130-air inlet; 140-ultraviolet lamp;

[0026] 200-first processing agency;

[0027] 210 - filter chamber; 220 - filter material;

[0028] 300- second processing mechanism;

[0029] 310- filter drum;

[0030] 311-first gear ring; 312-water outlet;

[0031] 400-Attachment structure;

[0032] 410-fixed bracket;

[0033] 411- second gear ring;

[0034] 420-plate mesh;

[0035] 500-Transmission gear. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the wastewater treatment device of the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] The serial numbers of the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0038] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] like Figure 1 , Figure 4 and Figure 5 As shown, a wastewater treatment device according to an embodiment of the present invention comprises a wastewater treatment chamber 100 and at least two-stage treatment mechanisms, and an attachment structure 400. The at least two-stage treatment mechanisms are sequentially arranged in the wastewater treatment chamber 100. A water inlet 110 and a water outlet 120 are respectively arranged on the wastewater treatment chamber 100, so that the wastewater to be treated entering from the water inlet 110 is discharged from the water outlet 120 after passing through the at least two-stage treatment mechanisms. The attachment structure 400 is arranged in the wastewater treatment chamber 100, and is used to attach a catalyst.

[0040] It can be understood that at least two stages of treatment mechanisms are sequentially arranged in the wastewater treatment chamber 100, and sequential arrangement means that in one embodiment, at least two stages of treatment mechanisms are sequentially arranged along the order of wastewater flow, and the treatment mechanisms with interdependent functions are arranged in a functional order. Wastewater entering from the water inlet 110 is discharged from the water outlet 120 after passing through at least two stages of treatment mechanisms, which means that in one embodiment, at least two stages of treatment mechanisms include a first treatment mechanism 200 and a second treatment mechanism 300, and the first treatment mechanism 200 and the second treatment mechanism 300 are sequentially arranged along the order of wastewater flow, and the first treatment mechanism 200 and the second treatment mechanism 300 are connected, and the wastewater to be treated enters from the water inlet 110 and is first filtered by the first treatment mechanism 200, and the wastewater after the first filtration then enters the second treatment mechanism 300 for a second filtration, and the wastewater after the two filtrations is discharged through the water outlet 120.

[0041] The water inlet 110 and the water outlet 120 of the wastewater treatment device can be arranged in various ways. Figure 1 As shown, in one embodiment, the water inlet 110 and the water outlet 120 can be respectively arranged on different sides of the wastewater treatment chamber 100. In other embodiments, the water inlet 110 and the water outlet 120 can be arranged on the same side of the wastewater treatment chamber 100. When the water inlet 110 and the water outlet 120 are arranged on the same side of the wastewater treatment chamber 100, the upper and lower positions of the water inlet 110 and the water outlet 120 are not limited.

[0042] As an implementable approach, Figure 3 As shown, the first treatment mechanism 200 includes a filter chamber 210, which is fixedly installed near the water inlet 110 of the wastewater treatment chamber 100, and the filter chamber 210 contains a filter material 220. The filter chamber 210 can be cylindrical or truncated cone. The filter material 220 can be activated carbon or filter cotton. The filter material 220 can be placed on the inner wall of the filter chamber 210, or it can be set at both ends of the filter chamber 210, so that the wastewater entering the filter chamber 210 can pass through the filter material 220 for the first filtration. The first treatment mechanism 200 can filter out impurities such as floating objects in the wastewater that are easier to filter out, and can effectively perform preliminary filtration on the wastewater, providing a basis for more thorough filtration later.

[0043] As an implementable approach, Figure 4As shown, the second treatment mechanism 300 includes a filter drum 310, which is rotatably arranged in the wastewater treatment chamber 100. The filter drum 310 is a barrel-shaped structure with one end open. The opening of the filter drum 310 is connected to the outlet of the first treatment mechanism 200, and a water outlet hole 312 is provided on the circumference of the filter drum 310. It can be understood that the filter drum 310 is rotatably arranged in the wastewater treatment chamber, which means that the filter drum 310 is arranged inside the wastewater treatment chamber 100, and can be connected to an external power transmission device for power transmission, so that the filter drum 310 can rotate in the wastewater treatment chamber 100. The filter drum 310 has a barrel-shaped shape, one end is open, and the other end is closed and connected to an external power device. The open end is connected to the first treatment mechanism 200, and the connection method can be connected by setting a card slot or the like. The circumference of the filter drum 310 can be evenly provided with water outlet holes 312, and the water outlet holes can be circular holes. When the wastewater after the first filtration flows through the second treatment mechanism 300, the rotatable filter drum 310 can drive the wastewater flowing through to perform irregular movements, which can greatly improve the efficiency of wastewater treatment when other conditions remain unchanged.

[0044] like Figure 5 As shown, the attachment structure 400 is disposed in the wastewater treatment chamber 100, and its arrangement can be in various ways. In one embodiment, the attachment structure 400 can be disposed in the wastewater treatment chamber 100, and is disposed outside at least two stages of treatment mechanisms, and can rotate with a certain treatment mechanism. In other embodiments, the attachment structure 400 can be disposed in the wastewater treatment chamber 100, and is fixedly disposed on the inner wall of the wastewater treatment chamber 100, and its fixing method can be welding or screwing.

[0045] In one embodiment, Figure 5 As shown, the attachment structure 400 includes an attachment net and a fixing bracket 410. The attachment net is fixedly mounted on the fixing bracket 410. The fixing bracket 410 is sleeved outside the filter drum 310. The fixing bracket 410 can rotate under the drive of the filter drum 310. It can be understood that Figure 5 As shown, the fixing bracket 410 may be cylindrical, and its side wall may be provided with holes. Alternatively, the fixing bracket 410 may also be other frame structures. There may be multiple ways to fix the attachment net on the fixing bracket 410. In one embodiment, the attachment net may be mounted on the fixing bracket 410 by screws. In other embodiments, the attachment net may also be mounted on the fixing bracket 410 by other means such as welding.

[0046] The fixing bracket 410 is sleeved outside the filter drum 310, and its setting method can be various. Figure 5As shown, in one embodiment, the fixed bracket 410 can be installed on the outside of the filter drum 310 through an intermediate transmission structure, so that the fixed bracket 410 can rotate with the filter drum 310, and the two rotate at different speeds. In other embodiments, the fixed bracket 410 can be fixedly installed outside the filter drum 310 and can rotate with the filter drum 310, and the two have the same speed.

[0047] By setting an attachment structure 400 on the outside of the filter drum 310, the wastewater can be fully stirred to a great extent under the drive of the rotating filter drum 310. On the other hand, a mesh structure with a large surface area can be set on the attachment structure 400. The catalyst is attached to the grid of the mesh structure. The catalyst can be fully contacted with the wastewater while stirring the wastewater, thereby improving the efficiency of wastewater catalysis.

[0048] like Figure 6 As shown, as an implementable method, the wastewater treatment device also includes a differential transmission structure, which is arranged between the fixed bracket 410 and the filter drum 310. The differential transmission structure is used to transmit the high-speed rotation of the filter drum 310 to the fixed bracket 410 at a lower speed, so that the fixed bracket 410 rotates at a lower speed. In order to realize the low-speed rotation of the fixed bracket 410, a differential transmission structure is arranged between the filter drum 310 and the fixed bracket 410, so as to achieve the purpose of improving the wastewater treatment efficiency and greatly reduce the energy consumption, making the wastewater treatment device more environmentally friendly.

[0049] like Figure 6 As shown, in one embodiment, the differential transmission structure includes a first gear ring 311, a second gear ring 411 and a transmission gear 500. 3 11 is fixedly arranged on the filter drum 310, the second gear ring 411 is fixedly arranged on the fixed bracket 410, the transmission gear 500 is arranged between the first gear ring 311 and the second gear ring 411 and the transmission gear 500 is meshed with the first gear ring 311 and the second gear ring 411 respectively, and the number of teeth of the first gear ring 311 is less than the number of teeth of the second gear ring 411. Figure 6 As shown, the tooth grooves of the first gear ring 311 and the second gear ring 411 are of the same size, but have different numbers of teeth, and both are respectively meshed with the gear teeth of the transmission gear 500. Through this differential transmission structure, the filter drum 310 and the attachment structure 400 can be linked with low power consumption, which helps to improve the efficiency of wastewater treatment.

[0050] In one embodiment, Figure 5As shown, the attachment net includes a plurality of plate-like mesh bodies 420, each of which is vertically mounted on a fixed support 410, and a plurality of plate-like mesh bodies 420 are distributed in intervals along the circumference of the fixed support 410. The material of the plate-like mesh body 420 of the attachment net can be any corrosion-resistant metal or alloy material, and the shape of the plate-like mesh body 420 can be set to a rectangular plate shape. The rectangular surface of the plate-like mesh body 420 is perpendicular to the direction of rotation of the fixed support 410. The catalyst is attached to the plate-like mesh body 420 of the grid structure. When the plate-like mesh body 420 rotates with the fixed support 410 in the wastewater treatment chamber 100, the catalyst can fully contact and react with the wastewater, and play a role in fully catalytic decomposition. When the plate-like mesh body 420 with a large surface area of ​​the catalyst carries the plate-like mesh body 420 through the wastewater, the wastewater can be contacted and mixed with the catalyst to a great extent, thereby improving the catalytic efficiency of the wastewater.

[0051] In one embodiment, Figure 2 As shown, the wastewater treatment device further includes an ultraviolet lamp 140, which is arranged on the inner wall of the wastewater treatment chamber 100. The ultraviolet lamp 140 can be in various shapes, such as a long strip or a dot. The ultraviolet lamp 140 can be screwed to the inner wall of the wastewater treatment chamber 100, or fixed to the inner wall of the wastewater treatment chamber 100 by gluing. By arranging the ultraviolet lamp 140 on the inner wall of the wastewater treatment chamber 100, sufficient ultraviolet rays are provided, which provides conditions for many degradation reactions and also has the functions of disinfection and sterilization.

[0052] In one embodiment, the wastewater treatment chamber 100 is further provided with an air inlet 130, which is used to introduce oxygen-containing gas into the wastewater treatment chamber 100. The size and position of the air inlet 130 are not limited, and may be on the side of the water inlet 110 or the side of the water outlet 120, or other positions of the wastewater treatment chamber 100. The oxygen-containing gas introduced from the air inlet 130 may be ozone, or may be other oxygen-containing gases having sterilization or water purification functions.

[0053] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0054] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A wastewater treatment device, characterized in that: It comprises a wastewater treatment chamber and at least two-stage treatment mechanisms, and an attachment structure, wherein the at least two-stage treatment mechanisms are sequentially arranged in the wastewater treatment chamber, and the wastewater treatment chamber is respectively provided with a water inlet and a water outlet, so that the wastewater to be treated entering from the water inlet is discharged from the water outlet after passing through the at least two-stage treatment mechanisms, and the attachment structure is arranged in the wastewater treatment chamber, and the attachment structure is used to attach a catalyst; The at least two-stage treatment mechanism comprises a first treatment mechanism and a second treatment mechanism, wherein the first treatment mechanism is arranged in the wastewater treatment chamber near the water inlet, and is used to perform a primary treatment on the wastewater to be treated entering from the water inlet, and the outlet of the first treatment mechanism is connected to the inlet of the second treatment mechanism; The first treatment mechanism comprises a filter chamber, the filter chamber is fixedly mounted at the water inlet of the wastewater treatment chamber, and the filter chamber contains filter material; The second treatment mechanism comprises a filter drum, which is rotatably disposed in the wastewater treatment chamber, and is a barrel-shaped structure with one end open, the opening of the filter drum is connected to the outlet of the first treatment mechanism, and a water outlet hole is provided on the circumference of the filter drum; The attachment structure includes an attachment net and a fixed bracket, the attachment net is fixedly mounted on the fixed bracket, the fixed bracket is sleeved outside the filter drum, and the fixed bracket can rotate under the drive of the filter drum; It also includes a differential transmission structure, which is arranged between the fixed bracket and the filter drum. The differential transmission structure is used to transmit the higher speed rotation of the filter drum to the fixed bracket at a lower speed, so that the fixed bracket rotates at a lower speed.

2. The wastewater treatment device according to claim 1, characterized in that: The differential transmission structure includes a first ring gear, a second ring gear and a transmission gear. The first ring gear is fixedly arranged on the filter drum, the second ring gear is fixedly arranged on the fixed bracket, the transmission gear is arranged between the first ring gear and the second ring gear and the transmission gear is respectively meshed with the first ring gear and the second ring gear, and the number of teeth of the first ring gear is less than the number of teeth of the second ring gear.

3. The wastewater treatment device according to any one of claims 1 to 2, characterized in that: The attachment net includes a plurality of plate-shaped net bodies, each of which is vertically mounted on the fixing bracket, and the plurality of plate-shaped net bodies are distributed in sequence and at intervals along the circumference of the fixing bracket.

4. The wastewater treatment device according to claim 1, characterized in that: It also includes an ultraviolet lamp, which is arranged on the inner wall of the wastewater treatment cavity.

5. The wastewater treatment device according to claim 1, characterized in that: The wastewater treatment chamber is also provided with an air inlet, and the air inlet is used to introduce oxygen-containing gas into the wastewater treatment chamber.

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