Sludge bulking prevention equipment for oxidation ditch

Abstract

The utility model discloses sludge bulking prevention equipment for an oxidation ditch, which belongs to the technical field of oxidation ditch equipment and particularly comprises an oxidation ditch, an aeration component and a clearing component, the removing assembly comprises an alkaline assembly which is arranged below the oxidation groove and is connected with the oxidation groove through a pipeline, and a scraping assembly which swings in the oxidation groove is arranged above the injection end of the alkaline assembly; the aeration assembly comprises a fixing rod which is arranged above the scraping assembly and is in the horizontal transverse direction, the surface of the fixing rod is sleeved with a plurality of fixing rings, the upper ends and the lower ends of the fixing rings are rotationally connected with rotating rods in the direction perpendicular to the fixing rod, and one end of each rotating rod is rotationally connected with a sleeve plate; the rotating end of the sleeve plate is rotatably connected with a push plate, one end of the push plate is fixedly connected with a double-acting air cylinder, and the surface of the rotating rod is rotatably connected with a swing blade. The swing type sludge water body aeration device can swing sludge water body aeration, improve the sludge treatment effect, and meanwhile can alkalify to reduce sludge formation and prevent sludge bulking.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxidation ditch equipment technical field especially relates to a kind of oxidation ditch sludge bulking prevention equipment. BACKGROUND

[0002] As an important biological treatment process, oxidation ditch is widely used in the treatment of municipal wastewater and industrial wastewater. Oxidation ditch uses wastewater rich in organic matter as a nutrient source, and uses sludge-water separation technology to remove pollutants in water through the oxidative degradation of activated sludge.

[0003] In the prior art, the oxidation ditch process has the advantages of good treatment effect and stable operation, but in actual operation, sludge bulking problems still occur. At present, the oxidation ditch process mainly uses the method of adjusting the dosage of nutrients or increasing the sludge return ratio to prevent sludge bulking problems, but the ratio of nutrients added in the operation process to organic matter in wastewater is improper, and there is no aeration process, which leads to the fact that microorganisms in wastewater cannot effectively decompose organic matter in sludge, reducing the treatment effect of sludge. At the same time, the sludge bulking problem that has occurred in the oxidation ditch process is mainly removed by mechanical equipment, but due to the large amount of pollutants in the sludge, the removal effect is not good, which leads to the fact that the sludge will remain in the water body of the oxidation ditch, and will slowly accumulate in the oxidation ditch, further accelerating the sludge bulking. SUMMARY

[0004] The purpose of the utility model is to provide a kind of oxidation ditch sludge bulking prevention equipment, to solve the problem that sludge cannot be effectively decomposed in oxidation ditch process, and cannot slow down sludge bulking.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A kind of oxidation ditch sludge bulking prevention equipment, comprising: oxidation ditch, aeration assembly and removal assembly;

[0007] The removal assembly comprises an alkaline assembly arranged below the oxidation ditch and connected by a pipeline, and a scraping assembly arranged above the injection end of the alkaline assembly and swinging inside the oxidation ditch;

[0008] The aeration assembly comprises a fixed rod arranged above the scraping assembly and horizontally transversely, a plurality of fixed rings sleeved on the surface of the fixed rod, a rotating rod vertically connected to the fixed rod at the upper and lower ends of the plurality of fixed rings, a sleeve plate rotatably connected to one end of the rotating rod, a push plate rotatably connected to the rotating end of the sleeve plate, a double-acting cylinder fixedly connected to one end of the push plate, and a swinging blade rotatably connected to the surface of the rotating rod.

[0009] Optionally, a support frame is fixedly connected between the double-acting cylinder and the oxidation ditch.

[0010] Optionally, the double-acting cylinder is below the liquid inlet pipe arranged at one end of the oxidation ditch.

[0011] Optionally, the cleaning assembly comprises a driving motor arranged at one end of the oxidation ditch, and a four-part gear is fixedly connected to an output end of the driving motor, and a driving gear is engaged with a gear below the four-part gear.

[0012] Optionally, the alkaline assembly comprises a hollow box arranged below the oxidation ditch, input pipes are fixedly connected to left and right side walls of the hollow box, a transparent pipe is fixed at a top end of the hollow box, and a shower head is installed and fixed at a top end of the transparent pipe and penetrates through the inside of the oxidation ditch.

[0013] Optionally, the scraping assembly comprises a circular arc plate arranged in the oxidation ditch and rotationally connected with the driving gear, and a plurality of scraping blocks are fixedly connected to a bottom end of the circular arc plate.

[0014] Optionally, a receiving net is screw-fixedly connected to a top end of the circular arc plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The swing blade, the sleeve plate and the push plate are arranged, the liquid inlet pipe introduces sludge water into the oxidation ditch, the double-acting cylinder is started to drive the swing blade to automatically swing and agitate the water, oxygen dissolution is enhanced, the growth and reproduction of aerobic microorganisms are promoted, organic substances in the sludge are effectively decomposed, the swing sludge water aeration is realized, and the treatment effect of the sludge is improved.

[0017] The alkaline assembly and the scraping assembly are arranged, the circular arc plate driven by the driving motor and the four-part gear scrapes the sludge at the bottom, the alkaline solution and the water are agitated and fused, heavy metal ions and other pollutants are removed, sludge formation is reduced, alkalization reduces sludge formation, and sludge swelling is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0019] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, to enable a person skilled in the art to understand and read, and are not used to limit the implementation conditions of the utility model, so they do not have the technical substantive meaning, any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and the purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0020] Figure 1 It is a schematic view of the overall structure in the utility model;

[0021] Figure 2 It is a schematic view of the structure of the fixed ring, rotating rod and sleeve plate and the like components in the utility model;

[0022] Figure 3 It is a schematic view of the structure of the push plate, double-acting cylinder and liquid inlet pipe in the utility model;

[0023] Figure 4 It is a schematic view of the structure of the arc plate and the receiving net in the utility model;

[0024] Figure 5 It is Figure 3 It is a schematic view of the structure of the arc plate and the receiving net in the utility model;

[0025] Figure 6 It is a schematic view of the structure of the hollow box, input pipe and transparent pipe and the like components in the utility model.

[0026] Illustration: 1, oxidation groove; 2, aeration assembly; 3, cleaning assembly; 201, fixed rod; 202, fixed ring; 203, rotating rod; 204, sleeve plate; 205, push plate; 206, double-acting cylinder; 207, swing blade; 301, drive motor; 302, four-toothed gear; 303, drive gear; 304, hollow box; 305, input pipe; 306, transparent pipe; 307, spray head; 308, arc plate; 309, scraping block; 4, support frame; 5, liquid inlet pipe; 6, receiving net. DETAILED DESCRIPTION

[0027] In order to make the utility model purpose, features, advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the embodiments described below are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In the description of the utility model, it is understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component disposed therebetween.

[0029] The technical scheme of the utility model is further illustrated below in combination with the drawings and through specific embodiments.

[0030] The utility model discloses an oxidation ditch sludge expansion prevention equipment, including: oxidation ditch 1, aeration assembly 2 and cleaning assembly 3.

[0031] The cleaning assembly 3 includes an alkaline assembly arranged below the oxidation ditch 1 and connected by a pipeline, and a scraping assembly arranged above the injection end of the alkaline assembly and swinging inside the oxidation ditch 1.

[0032] The aeration assembly 2 includes a fixed rod 201 arranged above the scraping assembly and horizontally transversely, a plurality of fixed rings 202 sleeved on the surface of the fixed rod 201, rotating rods 203 in the vertical direction of the fixed rod 201 rotatably connected to the upper and lower ends of the fixed rings 202, a sleeve plate 204 rotatably connected to one end of the rotating rod 203, a push plate 205 rotatably connected to the rotating end of the sleeve plate 204, a double-acting cylinder 206 fixedly connected to one end of the push plate 205, and swinging leaves 207 rotatably connected to the surface of the rotating rod 203.

[0033] Reference Figure 1 - Figure 6 When working, the sludge water body is first introduced into the oxidation ditch 1 through the liquid inlet pipe 5, and then the double-acting cylinder 206 is started, so that the telescopic end of the double-acting cylinder 206 repeatedly telescopes, the double-acting cylinder 206 pushes and pulls the sleeve plate 204 back and forth through the telescopic end to rotate, the bottom end of the sleeve plate 204 drives the rotating rod 203 to rotate, and then the rotating rod 203 drives the swinging leaves 207 to rotate left and right, the swinging leaves 207 repeatedly swing left and right at the upper and lower ends of the fixed rings 202, so that the water body in the oxidation ditch 1 is stirred by the automatic swinging of the swinging leaves 207, the oxygen in the outside is better dissolved into the sludge water body, the dissolved oxygen content in the sludge can be increased, the growth and reproduction of aerobic microorganisms are promoted, these microorganisms can effectively decompose the organic matter in the sludge, and the treatment effect of the sludge is improved.

[0034] Reference Figure 1 , Figure 4、 Figure 5 With Figure 6 As shown in the figure, the cleaning assembly 3 includes a drive motor 301 arranged at one end of the oxidation ditch 1, the output end of the drive motor 301 is fixedly connected with a four-tooth gear 302, the four-tooth gear 302 is meshed with a drive gear 303 below;

[0035] The alkaline assembly includes a hollow box 304 arranged below the oxidation ditch 1, the left and right side walls of the hollow box 304 are fixedly connected with an input pipe 305, the input pipe 305 is provided with a transparent pipe 306 fixedly arranged at the top end of the hollow box 304, and the top end of the transparent pipe 306 is provided with a spray head 307 fixedly arranged inside the oxidation ditch 1;

[0036] The scraping assembly includes a circular arc plate 308 arranged in the oxidation ditch 1 and rotationally connected with the drive gear 303, and the bottom end of the circular arc plate 308 is fixedly connected with a plurality of scraping blocks 309.

[0037] When the swing blade 207 swings, part of the sludge in the sludge water body begins to sink to the bottom end of the oxidation ditch 1, and in the process of sinking, part of it will fall onto the receiving net 6 on the top end of the scraping plate 308, and after a period of time, the receiving net 6 is taken out from the scraping plate 308, thereby reducing part of the sludge, and another part begins to deposit at the bottom end of the oxidation ditch 1, and then the drive motor 301 is manually started, so that the output end of the drive motor 301 drives the four-tooth gear 302 to rotate, and then the four-tooth gear 302 drives the drive gear 303 to rotate through gear meshing, since the number of teeth of the four-tooth gear 302 is only one fourth of that of the drive gear 303, so the four-tooth gear 302 can only drive the drive gear 303 to rotate one fourth, so that the drive gear 303 drives the circular arc plate 308 to rotate one fourth in the oxidation ditch 1, when the four-tooth gear 302 is disengaged from the gear meshing of the drive gear 303, the circular arc plate 308 rotates back under the influence of gravity, and then the circular arc plate 308 drives the scraping blocks 309 to repeatedly swing to scrape the sludge accumulated at the bottom end of the oxidation ditch 1, thereby reducing the sludge accumulation at the bottom end of the oxidation ditch 1, and at the same time, a large amount of alkaline solution, such as sodium hydroxide, ammonia water, calcium hydroxide, etc., is injected into the hollow box 304 through the input end, and then flows into the transparent pipe 306, and then is sprayed into the oxidation ditch 1 from the spray head 307, at the same time, since the swing blade 207 swings the water body, the sludge water body and the alkaline solution are stirred together, so that the sludge water body and the alkaline solution are mixed, thereby removing heavy metal ions and other pollutants in the water, reducing the formation of sludge, achieving the effect of sludge water alkali, and slowing down the expansion of the sludge.

[0038] The above-described above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An oxidation ditch anti-sludge bulking apparatus, characterized by, The utility model relates to an oxidation ditch, aeration assembly and cleaning assembly. The cleaning assembly (3) comprises an alkaline assembly arranged below the oxidation ditch (1) and connected by a pipeline, and a scraping assembly arranged above the injection end of the alkaline assembly and swinging inside the oxidation ditch (1). The aeration assembly (2) comprises a fixed rod (201) arranged above the scraping assembly and horizontally transversely, a plurality of fixed rings (202) sleeved on the surface of the fixed rod (201), rotating rods (203) vertically to the fixed rod (201) rotatably connected to the upper and lower ends of the fixed rings (202), a sleeve plate (204) rotatably connected to one end of the rotating rod (203), a push plate (205) rotatably connected to the rotating end of the sleeve plate (204), a double-acting cylinder (206) fixedly connected to one end of the push plate (205), and swinging leaves (207) rotatably connected to the surface of the rotating rod (203). The double-acting cylinder (206) is fixedly connected with a support frame (4) between the oxidation ditch (1).

2. The oxidation ditch anti-sludge bulking apparatus according to claim 1, wherein A liquid inlet pipe (5) is arranged below the double-acting cylinder (206) and at one end of the oxidation ditch (1).

3. The oxidation ditch anti-sludge bulking apparatus according to claim 2, wherein The cleaning assembly (3) comprises a drive motor (301) arranged at one end of the oxidation ditch (1), a four-part gear (302) fixedly connected to the output end of the drive motor (301), and a drive gear (303) meshed with the four-part gear (302) below.

4. The oxidation ditch anti-sludge bulking apparatus according to claim 3, wherein The alkaline assembly comprises a hollow box (304) arranged below the oxidation ditch (1), input pipes (305) fixedly connected to the left and right side walls of the hollow box (304), a transparent pipe (306) fixedly arranged at the top end of the hollow box (304) above the input pipes (305), and a spray head (307) installed and fixed at the top end of the transparent pipe (306) penetrating the inside of the oxidation ditch (1).

5. The oxidation ditch anti-sludge bulking apparatus according to claim 4, wherein The scraping assembly comprises a circular arc plate (308) rotatably connected with the drive gear (303) and arranged inside the oxidation ditch (1), and a plurality of scraping blocks (309) fixedly connected to the bottom end of the circular arc plate (308).

6. The oxidation ditch anti-sludge bulking apparatus according to claim 5, wherein The top end of the circular arc plate (308) is screw-fixedly connected with a receiving net (6).

7. The oxidation ditch anti-sludge bulking apparatus according to claim 6, wherein ​

Images