A wastewater treatment device using microbial nutrient base

Abstract

The invention relates to the technical field of sewage treatment, and discloses a sewage treatment equipment of a microbial nutrient base, comprising a sewage treatment tank, a microbial nutrient base rotating mixing mechanism, an air supply mechanism, a sewage feed cylinder and a sewage discharge pipe, wherein the microbial nutrient base rotating mixing mechanism is in an annular array structure and is installed and distributed at the inner bottom of the sewage treatment tank; the air supply mechanism is located at the outer side of the sewage treatment tank and is connected through and connected to the bottom of the microbial nutrient base rotating mixing mechanism opposite to the sewage treatment tank; the sewage feed cylinder is fixedly distributed around the inner top of the sewage treatment tank; the sewage discharge pipe is fixedly connected to the lower end of the side of the sewage treatment tank, and a ball valve is connected inside the sewage discharge pipe. The sewage treatment equipment of the microbial nutrient base is convenient for supplying air to the microbial nutrient base so that the cultivated microorganisms have sufficient oxygen, enhance the rapid reproduction vitality of the microorganisms, improve the treatment effect of sewage, and can be mixed and stirred to make the oxygen more sufficient, so that the sewage treatment is more uniform and comprehensive.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment of a microbial nutrient base. Background Art

[0002] Solid culture medium is a material form used for microbial culture. It provides various nutrients required for microbial growth, such as carbon source, nitrogen source, minerals and growth factors, in a solid form. During the preparation of solid culture medium, agar or other coagulants are added to keep the culture medium solid after sterilization. This form allows microorganisms to form colonies visible to the naked eye during growth, making it easier to observe and study. The main goal of wastewater treatment produced by microbial nutrient medium is to remove or reduce organic matter, nutrients and other pollutants in wastewater.

[0003] Existing sewage biochemical treatment equipment is difficult to efficiently cultivate beneficial microorganisms to treat organic matter and harmful substances in sewage, making the sewage biochemical treatment not comprehensive and the treatment effect insufficient. Therefore, it is necessary to design a corresponding technical solution to solve this problem. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the existing technology, the present invention provides a sewage treatment equipment that uses a specific microbial nutrient medium for strengthening, which solves the problem that the existing sewage biochemical treatment equipment is difficult to efficiently cultivate beneficial microorganisms to treat organic matter and harmful substances in sewage, and solves the technical problem that the sewage biochemical treatment is not comprehensive enough and the treatment effect is insufficient.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A sewage treatment device for a microbial nutrient base, comprising a sewage treatment tank, a microbial nutrient base rotating mixing mechanism, an air supply mechanism, a sewage feed cylinder and a sewage discharge pipe, wherein the microbial nutrient base rotating mixing mechanism is in a ring array structure and is installed and distributed on the inner bottom of the sewage treatment tank;

[0008] The air supply mechanism is located outside the sewage treatment tank and is connected through the bottom of the rotating mixing mechanism of the microbial nutrient base facing the sewage treatment tank;

[0009] The sewage feeding cylinders are fixedly distributed around the inner top of the sewage treatment tank;

[0010] The sewage discharge pipe is fixedly connected to the lower end of the side of the sewage treatment tank, and a ball valve is connected inside the sewage discharge pipe.

[0011] Preferably, the microbial nutrient medium rotating mixing mechanism includes a positioning plate and a pillar, the diameter of the positioning plate is larger than the diameter of the pillar, a bearing plate is fixedly provided at the bottom of the positioning plate, the pillar is rotatably connected to the bottom of the bearing plate, a base is welded to the bottom of the pillar, and the base is connected to the inner bottom of the sewage treatment tank by bolts; the bearing plate is provided to stably support the positioning plate to rotate above the pillar to avoid jamming, and the base is used to install the microbial nutrient medium rotating mixing mechanism as a whole on the inner bottom of the sewage treatment tank.

[0012] Preferably, a stirring blade is fixedly distributed on the outer side wall of the positioning plate, and the stirring blade is in a blade structure. A baffle is fixedly distributed at the outer edge of the bottom of the positioning plate, and the baffle is in an L-shaped plate structure. The arranged stirring blade is used to mix and stir the sewage when the positioning plate rotates. The stirring blade with a blade structure enables a better stirring effect, and the baffle with an L-shaped plate structure is used to contact the injected air over a larger area, so that the rotation of the positioning plate is more stable.

[0013] Preferably, a microorganism nutrient medium carrying cylinder is provided inside the positioning disk, a cover plate is welded on the top of the microorganism nutrient medium carrying cylinder, lifting devices are welded on both ends of the cover plate, positioning holes are provided at the front and rear ends of the cover plate, and positioning rods are fixedly provided at the front and rear ends of the positioning disk; the microorganism nutrient medium carrying cylinder is used to carry microorganisms, the cover plate is used to install the microorganism nutrient medium carrying cylinder into the interior of the positioning disk, the lifting device is convenient for hand-held transportation and disassembly, and the positioning hole is used to limit the installation of the positioning rod.

[0014] Preferably, a card slot is provided at the outer end of the positioning rod, and a movable shaft is fixedly provided above the outer end of the card slot. A card plate is rotatably connected to the outside of the movable shaft. The specifications of the card plate are smaller than those of the card slot. A spring is fixedly provided between the inner wall of the card plate and the inside of the card slot. The card slot is used to clamp the card plate, and the movable shaft is used to movably support the card plate. The card plate is used to prevent the microorganism nutrient medium carrier cylinder from detaching from the positioning disk and is safely locked. The spring is used to elastically adjust the card plate to facilitate downward compression of the card plate and upward locking, which further facilitates the disassembly and assembly of the microorganism nutrient medium carrier cylinder.

[0015] Preferably, the air supply mechanism includes an air pump, an annular tube and an air supply pipe, the bottom of the air pump is fixedly provided with a support plate, the support plate is fixedly provided on the outer wall of the sewage treatment tank, an air inlet is provided in front of the air pump, an air outlet pipe is connected to the inner side of the air pump, the air outlet pipe is connected to the outer end of the annular tube, the annular tube is an annular structure arranged around the outside of the sewage treatment tank, the air supply pipe is an arc-shaped structure that penetrates the sewage treatment tank and is fixedly distributed on the inner side of the annular tube, a bubbler is installed at the end of the air supply pipe, the bubbler corresponds to the position of the baffle, the middle of the air supply pipe is penetrated and connected with a support plate, and the support plate is fixedly provided at the inner bottom of the sewage treatment tank; the air pump is used for air supply control, the support plate stably supports the air pump on the outer wall of the sewage treatment tank, the air inlet and the air outlet pipe are used for air in and out, the annular tube with an annular structure is used for all-round air supply and transportation, the air supply pipe is used to directly supply air into the sewage, the bubbler is used to generate bubbles to effectively increase oxygen, and the support plate stably supports the air supply pipe.

[0016] Preferably, a filtering device is fixedly provided at the bottom of the sewage feed cylinder, a sewage inlet is fixedly provided at the bottom of the filtering device, the sewage feed cylinder is a cylindrical structure, the filtering device is a rectangular frame structure, the sewage inlet is an inverted cone structure, and a horizontal plate is fixedly provided between the outer end of the filtering device and the inner wall of the sewage treatment tank; the sewage inlet with an inverted cone structure is used to slowly pour sewage in, the filtering device with a rectangular frame structure is used for preliminary filtering of impurities over a large area, and the horizontal plate is used to fix the filtering device, the sewage feed cylinder and the sewage inlet as a whole.

[0017] Preferably, a filter screen is provided inside the filter device, a mounting plate is fixedly provided at the outer end of the filter screen, the mounting plate is connected to the outer end of the filter device by bolts, supports are fixedly distributed at both ends of the inner side of the filter device, and sliding balls are embedded above the supports; the filter screen is used for preliminary filtering of sewage, the mounting plate is used for disassembling and assembling the filter screen structure, the supports are used for stably supporting the universal rolling of the sliding balls, and the sliding balls are used for supporting the sliding adjustment of the filter screen assembly inward and outward, which is easy to operate.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention has the following beneficial effects: by installing a plurality of microbial nutrient base rotating mixing mechanisms in a ring array structure at the bottom of the inner side of the sewage treatment tank, and cooperating with the air supply mechanism, it is convenient to directly supply air to the preferred microbial nutrient base, so that the cultivated microorganisms have sufficient oxygen, enhance the vitality of rapid reproduction of microorganisms, improve the treatment effect of sewage, and can mix and stir to make oxygen more sufficient, so that the sewage treatment is more uniform and comprehensive, further improve the sewage treatment effect of the microbial sewage treatment equipment, through the sewage feeding cylinders fixedly distributed around the top of the inner side of the sewage treatment tank, it is convenient to directly filter the sewage first, reduce some impurities and harmful substances, and through the sewage discharge pipe fixedly connected at the lower end of the side of the sewage treatment tank, it is convenient to manually discharge the sewage;

[0020] The bearing plate stably supports the positioning disk to rotate above the pillar to avoid jamming. The base installs the microbial nutrient base rotating mixing mechanism as a whole on the inner bottom of the sewage treatment tank. The stirring blade is used to mix and stir the sewage when the positioning disk rotates. The stirring blade with a blade structure makes the stirring effect better. The baffle with an L-shaped plate structure is used to contact the filled air over a larger area, making the positioning disk rotate more stably. The microbial nutrient base carrying cylinder is used to carry microorganisms. The cover plate is used to install the microbial nutrient base carrying cylinder into the interior of the positioning disk. The lifting device is convenient for hand-held transportation and disassembly. The positioning hole is used for limiting the installation of the positioning rod. The card slot is used to clamp the card board. The movable shaft is used to flexibly support the card board. The card board is used to prevent the microbial nutrient base carrying cylinder from detaching from the positioning disk and is safely locked. The spring is used to elastically adjust the card board for easy downward movement. The compression card is locked upward to further facilitate the disassembly and assembly of the microbial nutrient medium carrier cylinder. The air pump is used for air supply control. The support plate stably supports the air pump on the outer wall of the sewage treatment tank. The air inlet and the air outlet pipe are used for air inlet and outlet. The annular tube with an annular structure is used for all-round air supply and transportation. The air supply pipe is used to directly supply air into the sewage. The bubbler is used to generate bubbles to effectively increase oxygen. The support plate stably supports the air supply pipe. The sewage inlet with an inverted cone structure is used to slowly inject sewage. The filter device with a rectangular frame structure is used for preliminary filtration of impurities over a large area. The horizontal plate is used to fix the filter device, the sewage feed cylinder and the sewage inlet as a whole. The filter is used to preliminarily filter the sewage. The mounting plate is used to disassemble and assemble the filter structure. The support is used to stably support the universal rolling of the sliding ball. The sliding ball is used to support the sliding adjustment of the filter assembly inside and outside, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall upper three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal top view structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the sewage pipe structure of the present invention;

[0024] Figure 4 It is a schematic structural diagram of the microbial nutrient medium rotating mixing mechanism and the air supply mechanism of the present invention;

[0025] Figure 5 This is a schematic structural diagram of the microbial nutrient medium rotation mixing mechanism of the present invention;

[0026] Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle;

[0027] Figure 7 It is a front structural schematic diagram of the microbial nutrient medium rotating mixing mechanism of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure of the microbial nutrient medium carrier cylinder of the present invention;

[0029] Fig. 9 It is a schematic diagram of the feeding mechanism of the present invention;

[0030] Fig.10 It is a schematic diagram of the internal structure of the feeding mechanism of the present invention;

[0031] Fig.11 For the present invention Fig.10 Enlarged structural diagram at B in the middle.

[0032] In the figure, 1, sewage treatment tank; 2, microorganism nutrient medium rotating mixing mechanism; 21, positioning plate; 22, pillar; 23, base; 24, baffle; 25, stirring blade; 26, microorganism nutrient medium bearing tube; 261, cover plate; 262, positioning hole; 263, lifting device; 27, positioning rod; 271, slot; 272, card plate; 273, movable shaft; 274, spring; 28, bearing plate; 3, air supply mechanism; 31, air pump; 311, air inlet; 312, air outlet pipe; 313, support plate; 32, annular pipe; 33, air supply pipe; 331, bubbler; 332, support plate; 4, sewage feeding tube; 41, filtering device; 411, mounting plate; 412, filter screen; 413, support; 414, sliding ball; 42, sewage inlet; 43, horizontal plate; 5, sewage discharge pipe; 51, ball valve. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 11The embodiment of the present invention provides a technical solution: a sewage treatment device of a microbial nutrient base, comprising a sewage treatment tank 1, a microbial nutrient base rotating mixing mechanism 2, an air supply mechanism 3, a sewage feeding cylinder 4 and a sewage discharge pipe 5, wherein the microbial nutrient base rotating mixing mechanism 2 is in a ring array structure and is installed and distributed on the inner bottom of the sewage treatment tank 1;

[0035] The air supply mechanism 3 is located outside the sewage treatment tank 1 and is connected through the sewage treatment tank 1 to the bottom of the microbial nutrient base rotating mixing mechanism 2;

[0036] The sewage feeding cylinder 4 is fixedly distributed around the inner top of the sewage treatment tank 1;

[0037] The sewage pipe 5 is fixedly connected to the lower end of the side of the sewage treatment tank 1 , and a ball valve 51 is connected inside the sewage pipe 5 .

[0038] By installing a plurality of microbial nutrient base rotating mixing mechanisms 2 in a circular array structure at the bottom of the inner side of the sewage treatment tank 1, and cooperating with the air supply mechanism 3, it is convenient to directly supply air to the microbial nutrient base, so that the cultivated microorganisms have sufficient oxygen, enhance the vitality of rapid reproduction of microorganisms, improve the treatment effect of sewage, and can mix and stir to make the oxygen more sufficient, so that the sewage treatment is more uniform and comprehensive, further improve the sewage treatment effect of the microbial sewage treatment equipment, through the sewage feeding cylinder 4 fixedly distributed around the top of the inner side of the sewage treatment tank 1, it is convenient to directly filter the sewage first, reduce some impurities and harmful substances, and through the sewage pipe 5 fixedly connected to the lower end of the side of the sewage treatment tank 1, it is convenient to manually discharge the sewage.

[0039] Further improved, the microbial nutrient medium rotating mixing mechanism 2 includes a positioning plate 21 and a pillar 22, the diameter of the positioning plate 21 is larger than the diameter of the pillar 22, a bearing plate 28 is fixedly provided at the bottom of the positioning plate 21, the pillar 22 is rotatably connected to the bottom of the bearing plate 28, a base 23 is welded to the bottom of the pillar 22, and the base 23 is connected to the inner bottom of the sewage treatment tank 1 by bolts;

[0040] The bearing plate 28 is provided to stably support the positioning plate 21 to rotate above the support 22 to avoid jamming, and the base 23 is used to install the microbial nutrient medium rotating mixing mechanism 2 as a whole on the inner bottom of the sewage treatment tank 1.

[0041] As a further improvement, a stirring blade 25 is fixedly distributed on the outer wall of the positioning plate 21, and the stirring blade 25 is a blade structure. A baffle 24 is fixedly distributed on the outer edge of the bottom of the positioning plate 21, and the baffle 24 is an L-shaped plate structure.

[0042] The stirring blades 25 are provided to mix and stir the sewage when the positioning disk 21 rotates. The stirring blades 25 with a blade structure make the stirring effect better. The baffle 24 with an L-shaped plate structure is used to contact the injected air over a larger area, so that the rotation of the positioning disk 21 is more stable.

[0043] Further improved, a microorganism nutrient medium carrying cylinder 26 is provided inside the positioning plate 21, a cover plate 261 is welded on the top of the microorganism nutrient medium carrying cylinder 26, lifting devices 263 are welded on both ends of the cover plate 261, positioning holes 262 are opened at the front and rear ends of the cover plate 261, and positioning rods 27 are fixedly provided at the front and rear ends of the positioning plate 21;

[0044] The microorganism nutrient medium carrier tube 26 is used to carry microorganisms, the cover plate 261 is used to install the microorganism nutrient medium carrier tube 26 into the positioning plate 21, the lifting device 263 is convenient for hand-held transportation and disassembly, and the positioning hole 262 is used to limit the installation of the positioning rod 27.

[0045] As a further improvement, a slot 271 is provided at the outer end of the positioning rod 27, a movable shaft 273 is fixedly provided above the outer end of the slot 271, a clamping plate 272 is rotatably connected to the outer side of the movable shaft 273, the specification of the clamping plate 272 is smaller than the specification of the slot 271, and a spring 274 is fixedly provided between the inner side wall of the clamping plate 272 and the inside of the slot 271;

[0046] The card slot 271 is used to clamp the card plate 272, and the movable shaft 273 is used to movably support the card plate 272. The card plate 272 is used to prevent the microorganism nutrient medium carrier tube 26 from detaching from the positioning plate 21 and to lock it safely. The spring 274 is used to elastically adjust the card plate 272 to facilitate downward compression of the card plate 272 and upward locking, thereby further facilitating the disassembly and assembly of the microorganism nutrient medium carrier tube 26.

[0047] Further improved, the air supply mechanism 3 includes an air pump 31, an annular tube 32 and an air supply pipe 33, a support plate 313 is fixedly provided at the bottom of the air pump 31, the support plate 313 is fixedly provided on the outer wall of the sewage treatment tank 1, an air inlet 311 is provided in front of the air pump 31, an air outlet pipe 312 is connected to the inner side of the air pump 31, the air outlet pipe 312 is connected to the outer end of the annular tube 32, the annular tube 32 is an annular structure arranged around the outside of the sewage treatment tank 1, the air supply pipe 33 is an arc-shaped structure that penetrates the sewage treatment tank 1 and is fixedly distributed on the inner side of the annular tube 32, a bubbler 331 is installed at the end of the air supply pipe 33, the bubbler 331 corresponds to the position of the baffle 24, a support plate 332 is penetrated and connected in the middle of the air supply pipe 33, and the support plate 332 is fixedly provided on the inner bottom of the sewage treatment tank 1;

[0048] The air pump 31 is provided for air supply control, the support plate 313 stably supports the air pump 31 on the outer wall of the sewage treatment tank 1, the air inlet 311 and the air outlet pipe 312 are used for air inlet and outlet, the annular tube 32 with an annular structure is used for all-round air supply and transportation, the air supply pipe 33 is used to directly supply air into the sewage, the bubbler 331 is used to generate bubbles to effectively increase oxygen, and the support plate 332 stably supports the air supply pipe 33.

[0049] Further improved, a filter device 41 is fixedly provided at the bottom of the sewage feed cylinder 4, a sewage inlet 42 is fixedly provided at the bottom of the filter device 41, the sewage feed cylinder 4 is a cylindrical structure, the filter device 41 is a rectangular frame structure, the sewage inlet 42 is an inverted cone structure, and a horizontal plate 43 is fixedly provided between the outer end of the filter device 41 and the inner wall of the sewage treatment tank 1;

[0050] The sewage inlet 42 with an inverted cone structure is used to slowly pour in sewage, the filtering device 41 with a rectangular frame structure is used to preliminarily filter impurities over a large area, and the horizontal plate 43 is used to fix the filtering device 41, the sewage feeding cylinder 4 and the sewage inlet 42 as a whole.

[0051] Specifically, a filter screen 412 is provided inside the filter device 41, and a mounting plate 411 is fixedly provided at the outer end of the filter screen 412. The mounting plate 411 is connected to the outer end of the filter device 41 by bolts, and supports 413 are fixedly distributed at both ends of the inner side of the filter device 41, and a sliding ball 414 is embedded above the support 413;

[0052] The filter screen 412 is used for preliminary filtering of sewage, the mounting plate 411 is used for disassembling and assembling the filter screen structure, the support 413 is used for stably supporting the universal rolling of the sliding ball 414, and the sliding ball 414 is used for supporting the inward and outward sliding adjustment of the filter screen 412 component, which is easy to operate.

[0053] Working principle: Sewage is directly poured into the sewage feed cylinder 4, initially filtered through the filter screen 412 in the filter device 41, and then enters the sewage treatment tank 1 through the sewage inlet 42;

[0054] The detachable mounting plate 411 slides the filter screen 412 outward along the sliding ball 414 for cleaning and maintenance;

[0055] The hand-held lifting device 263 installs the positioning hole 262 of the microorganism nutrient medium carrier tube 26 inside the positioning plate 21 through the positioning rod 27. When the positioning hole 262 passes through the positioning rod 27, the spring 274 inside the clamping plate 272 is elastically adjusted to expand and contract. The movable shaft 273 is adjusted to make the clamping plate 272 shrink inwardly inside the clamping groove 271, so that the installation is quick. After installation, the spring 274 is in a jacking state so that the clamping plate 272 supports outward to prevent the microorganism nutrient medium carrier tube 26 from detaching.

[0056] The air pump 31 of the air supply mechanism 3 is started, air is taken in through the air inlet 311, and air is taken in from the air outlet pipe 312 into the annular tube 32, and then the air is evenly and omnidirectionally output through the air supply pipe 33 and the bubbler 331, so that bubbles are generated to increase oxygen, and the air supply causes the water flow to impact the side of the baffle 24;

[0057] Then, the positioning plate 21 and the bearing plate 28 are supported on the support 22 to stably rotate, and the multiple groups of stirring blades 25 effectively mix and stir the sewage when rotating, so that the microorganisms can fully decompose organic matter, so that the cultivated microorganisms have sufficient oxygen, enhance the vitality of microorganisms to reproduce rapidly, improve the treatment effect of sewage, and make the sewage treatment more uniform and comprehensive, further improving the effect of the microbial sewage treatment equipment on sewage treatment;

[0058] After the treatment is completed, the ball valve 51 can be opened manually to discharge the sewage from the sewage pipe 5.

[0059] The sewage treatment tank 1 of the present invention, the microbial nutrient base rotating mixing mechanism 2, the positioning disk 21, the pillar 22, the base 23, the baffle 24, the stirring blade 25, the microbial nutrient base bearing cylinder 26, the cover plate 261, the positioning hole 262, the lifting device 263, the positioning rod 27, the slot 271, the card plate 272, the movable shaft 273, the spring 274, the bearing plate 28, the air supply mechanism 3, the air pump 31, the air inlet 311, the air outlet pipe 312, the support plate 313, the annular pipe 32, the air supply pipe 33, the bubbler 331, the support plate 332, the sewage feeding cylinder 4, the filtering device 41, the mounting plate 411, the filter screen 412, the support 413, the sliding ball 414, the sewage inlet 42, the horizontal plate 43, the sewage discharge pipe 5, and the ball valve 51, the components are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. The problem to be solved is that the existing sewage treatment equipment is difficult to efficiently treat organic matter and harmful substances in sewage, resulting in incomplete sewage treatment and insufficient treatment effect. The present invention combines the above-mentioned components with each other, installs multiple microbial nutrient base rotating mixing mechanisms in a ring array structure at the bottom of the inner side of the sewage treatment tank, and cooperates with the air supply mechanism to directly supply air to the microbial nutrient base, so that the cultivated microorganisms have sufficient oxygen, enhance the vitality of microorganisms to reproduce rapidly, improve the sewage treatment effect, and can mix and stir to make oxygen more sufficient, so that the sewage treatment is more uniform and comprehensive, further improving the sewage treatment effect of the microbial sewage treatment equipment, through the sewage feeding cylinders fixedly distributed around the top of the inner side of the sewage treatment tank, it is convenient to directly filter the sewage first, reduce a part of impurities and harmful substances, and through the sewage pipe fixedly connected at the lower end of the side of the sewage treatment tank, it is convenient to manually discharge the sewage.

[0060] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A sewage treatment device for a microbial nutrient medium, comprising a sewage treatment tank (1), a microbial nutrient medium rotating mixing mechanism (2), an air supply mechanism (3), a sewage feed cylinder (4) and a sewage discharge pipe (5), characterized in that: The microbial nutrient base rotating mixing mechanism (2) is in a ring array structure and is installed and distributed on the inner bottom of the sewage treatment tank (1); The air supply mechanism (3) is located outside the sewage treatment tank (1) and is connected through the sewage treatment tank (1) to the bottom of the microbial nutrient base rotating mixing mechanism (2); The sewage feeding cylinder (4) is fixedly distributed around the inner top of the sewage treatment tank (1); The sewage discharge pipe (5) is fixedly connected to the lower end of the side of the sewage treatment tank (1), and a ball valve (51) is connected inside the sewage discharge pipe (5); The microbial nutrient medium rotating mixing mechanism (2) comprises a positioning plate (21) and a pillar (22); the diameter of the positioning plate (21) is larger than the diameter of the pillar (22); a bearing plate (28) is fixedly provided at the bottom of the positioning plate (21); the pillar (22) is rotatably connected to the bottom of the bearing plate (28); a base (23) is welded to the bottom of the pillar (22); and the base (23) is connected to the inner bottom of the sewage treatment tank (1) by bolts; A stirring blade (25) is fixedly distributed on the outer side wall of the positioning plate (21), and the stirring blade (25) is in a blade structure; a baffle (24) is fixedly distributed at the outer edge of the bottom of the positioning plate (21), and the baffle (24) is in an L-shaped plate structure; A microorganism nutrient medium carrier cylinder (26) is provided inside the positioning plate (21), a cover plate (261) is welded on the top of the microorganism nutrient medium carrier cylinder (26), lifting devices (263) are welded on both ends of the cover plate (261), positioning holes (262) are provided at the front and rear ends of the cover plate (261), and positioning rods (27) are fixedly provided at the front and rear ends of the positioning plate (21); The outer end of the positioning rod (27) is provided with a slot (271), a movable shaft (273) is fixedly provided above the outer end of the slot (271), the outer part of the movable shaft (273) is rotatably connected with a clamping plate (272), the specification of the clamping plate (272) is smaller than the specification of the slot (271), and a spring (274) is fixedly provided between the inner side wall of the clamping plate (272) and the inside of the slot (271); The air supply mechanism (3) comprises an air pump (31), an annular tube (32) and an air supply pipe (33); a support plate (313) is fixedly provided at the bottom of the air pump (31); the support plate (313) is fixedly provided on the outer wall of the sewage treatment tank (1); an air inlet (311) is provided in front of the air pump (31); an air outlet pipe (312) is connected to the inner side of the air pump (31); the air outlet pipe (312) is connected to the outer end of the annular tube (32); the annular tube (32) is provided with a plurality of air inlets (311); and the annular tube (32) is provided with a plurality of air inlets (311). The annular tube (32) is an annular structure arranged around the outside of the sewage treatment tank (1); the air supply pipe (33) is an arc-shaped structure that penetrates the sewage treatment tank (1) and is fixedly distributed on the inner side of the annular tube (32); a bubbler (331) is installed at the end of the air supply pipe (33); the bubbler (331) corresponds to the position of the baffle (24); a support plate (332) is penetrated and connected in the middle of the air supply pipe (33); the support plate (332) is fixedly arranged on the inner bottom of the sewage treatment tank (1).

2. The sewage treatment equipment of a microbial nutrient medium according to claim 1, characterized in that: A filter device (41) is fixedly provided at the bottom of the sewage feed cylinder (4), a sewage inlet (42) is fixedly provided at the bottom of the filter device (41), the sewage feed cylinder (4) is a cylindrical structure, the filter device (41) is a rectangular frame structure, the sewage inlet (42) is an inverted cone structure, and a transverse plate (43) is fixedly provided between the outer end of the filter device (41) and the inner wall of the sewage treatment tank (1).

3. The sewage treatment equipment of a microbial nutrient medium according to claim 2, characterized in that: A filter screen (412) is provided inside the filter device (41), a mounting plate (411) is fixedly provided at the outer end of the filter screen (412), the mounting plate (411) is connected to the outer end of the filter device (41) by bolts, and supports (413) are fixedly distributed at both ends of the inner side of the filter device (41), and a sliding ball (414) is embedded above the support (413).

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