Biochemical bed unit and assembled biochemical bed module
By adopting assembled biochemical bed units and modules, and using the combination of keel and rib structures, the problems of microbial membrane blockage and local pH imbalance in existing biochemical beds are solved, and the functions of effective nitration and denitrification and oxygen-blowing decarbonization in sewage treatment and aquaculture are realized, and the application range is wide and the cost is low.
Patent Information
- Application Number
- CN202421468574.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The existing biochemical beds have density-determined particle filler patterns in sewage treatment and aquaculture, resulting in problems such as microbial membrane blockage, denitrification reaction status and local pH imbalance, and structural characteristics limit the scope of application.
The assembled biochemical bed unit and module are adopted to form an interlayer matrix structure through the combination of keel and rib structure, and the connection method of bolts and contact concave tables is combined to achieve flexible assembly and spatial layout.
It has achieved stable growth space for microorganisms in the gas-liquid flow ecological environment, can effectively perform nitration and denitrification of sewage denitrogenation, oxygen blowing and carbon dioxide dehydration, and has a wide range of applications and low cost.
Smart Images
Figure CN222770693U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biochemical equipment, in particular to a biochemical bed unit and an assembled biochemical bed module. Background Art
[0002] In the fields of sewage treatment, aquaculture, etc., vermiculite biochemical beds, ceramic ring biochemical beds, K1, K3, K5 series biochemical beds, and sponge biochemical beds are often used.
[0003] The existing product "vermiculite biochemical bed" is made of magnesium aluminum silicate material after high temperature roasting, 5-12mm granular microporous structure, bulk density 50-200kg / m3, 8-12mm granular microporous structure. The use characteristics of the "vermiculite biochemical bed" are: it is packaged in a mesh woven bag with a capacity of 10-20kg and immersed in water as a bagged microbial bed. 1) Product characteristics: the density of the "vermiculite biochemical bed" is determined, and it must be packaged in a mesh woven bag in the form of a granular filler. 2) Biochemical reaction characteristics: affected by the accumulation space of granular vermiculite, the membrane thickness of the growing microbial flora continues to increase, and the membrane coating is not easy to fall off, thereby blocking the internal and external oxygen transfer channels of the "vermiculite biochemical bed", causing the inner pores of the "vermiculite biochemical bed" to transform into anaerobic microbial populations, and the biochemical pool is in a denitrification reaction state. 3) Engineering application characteristics: Because it is a bagged filler and is laid on the bottom of the pool, it causes a short circuit in the water inlet in the mesh woven bag, making it impossible for the microbial colony to contact the continuous water inlet. The early stage of water inlet belongs to the nitrification period, and then enters a long-term denitrification mode, causing PH imbalance in the local space of the biochemical pool. This makes it difficult to plan the layout of the regional space water flow channel of the biochemical pool. In addition, there is a lot of biological sludge, so a bottom drainage and mud clearing channel needs to be set up. Experienced engineers are required to frequently adjust on site. 4) Product scalability application: Due to the structural characteristics, the scope of expandable use is limited to the liquid environment biochemical treatment process in the pool and the sewage facilities of the building structure.
[0004] Existing product "ceramic ring biochemical bed": 1) Product features; Ceramic ring biochemical bed "feldspar, clay, quartz and other acid salt materials are sintered at high temperature, the material density is 2.5-3.2 g / cm³, the bulk density is 150-300kg / m3. "The microporous ceramic biochemical bed is sintered into a ring structure with a diameter of 10-15mm and a length of 10-30mm, or a tubular structure with an outer diameter of about 40mm and an inner diameter of 20mm and a length of about 200. 2) Biochemical reaction characteristics: The structural characteristics of the "vermiculite biochemical bed" were referred to in the product design, and the structural design of the ceramic biochemical bed was optimized in terms of biodynamics and fluid mechanics. The microbial population and its internal and external oxygen transfer, film removal channels, nitrification and denitrification reaction efficiency, and biodegradability are better than the vermiculite biochemical bed. 3) Engineering application characteristics: The "ceramic ring biochemical bed" is placed in a pipe or plastic box according to the shape of its pipe opening, and is stacked in several layers. It can be placed in a long-flowing water and air environment according to the environment, or it can be fixed in a liquid space environment. Its structural characteristics and functions are suitable for the purification environment of small-load aquaculture sewage. When used as a large water body project, a pre-sedimentation tank needs to be set up to prevent ceramic particles from wearing the pump impeller. 4) Product scalability application: Due to the current structural and sintering process characteristics, the "ceramic ring biochemical bed" can be expanded to gas (steam) biochemical bed environment and liquid environment biochemical treatment process. Affected by the structure and material density, it is limited to the use of sewage facilities within the building structure.
[0005] Existing products "K1, K3, K5 series biochemical beds": 1) Product features: plastic material, injection molding, diameter 10-30mm thickness 1.0mm length 4-20mm annular concentric radial channel multi-island thin shell structure. 2) Biochemical reaction characteristics: "K series biochemical bed" provides microorganisms with iterative growth space for bacterial colony biofilm in dynamic liquid, and cleverly uses the annular biochemical bed rolled up by dynamic water body, and uses its edges to rub against each other and cut to grow microorganisms outside the space range of the biochemical bed, forcing them to remove the biofilm, so that the biofilm remains within a certain thickness, and the nitrification and denitrification process is carried out while meeting the process requirements. 3) Engineering application characteristics: In order to facilitate the use of solids by microorganisms in dynamic liquids, an interactive and dynamic biochemical bed design is made to anchor the biofilm development of bacterial colonies. Suitable for sewage treatment plants with large water bodies and large flows. 4) Product scalability application; "K series biochemical bed" has excellent product design. At the beginning of the design, only the function of providing growth and development for microbial flora in liquid was considered, and there was no application of biochemical bed function in other environmental spaces.
[0006] Existing product "Sponge Biochemical Bed": 1) Product features: An elastic structure connected by a mesh of about 10x10x10mm made of hydrophilic polyurethane. 2) Biochemical reaction characteristics: The "Sponge Biochemical Bed" has the highest specific surface area, providing a space for the iterative development and growth of microorganisms in dynamic liquids. 3) Engineering application characteristics: Used as a floating biochemical bed in a liquid environment. High specific surface area hydrophilic polyurethane biochemical beds are used to treat aquaculture water bodies with high pollution indexes. Low specific surface area hydrophilic polyurethane biochemical beds are used as materials for treating river sewage. 4) Product scalability and application: Affected by material factors, the "Sponge Biochemical Bed" product is designed to be used as a dynamic biochemical bed in a liquid environment, and does not have the functional application of a biochemical bed in other environmental spaces. Utility Model Content
[0007] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a biochemical bed unit and an assembled biochemical bed module.
[0008] The technical solution adopted by the utility model to achieve the above-mentioned purpose is:
[0009] A biochemical bed unit comprises a keel, wherein upper wing ribs are arranged at intervals on the upper end surface of the keel, and lower wing ribs are arranged at intervals on the lower end surface of the keel.
[0010] The keel is a flat plate or a corrugated plate.
[0011] The upper rib and the lower rib are both thin-walled structures, and the phase difference between the two is 90°.
[0012] The wing tips of the upper ribs are at the same plane height, and the wing tips of the lower ribs are at the same plane height.
[0013] The depth from the wing root to the wing tip of the upper wing rib is 1.0-7.0 mm, and the depth from the wing root to the wing tip of the lower wing rib is 1.0-7.0 mm.
[0014] The width of the grooves formed between adjacent upper ribs is 2.0-2.5 mm, and the width of the grooves formed between adjacent lower ribs is 2.0-2.5 mm.
[0015] The utility model discloses an assembled biochemical bed module, which comprises biochemical bed units which are stacked and connected in series in sequence.
[0016] Bolt holes are provided at the four corners of each biochemical bed unit. Bolts are inserted into the bolt holes. Nuts are installed on the bolts. The biochemical bed units are fastened by connecting the bolts and nuts.
[0017] A contact boss is installed on one side of the bolt hole, and a contact recess is installed on the other side. The corresponding contact bosses and contact recesses of adjacent biochemical bed units are matched and connected.
[0018] Several assembled biochemical bed modules are arranged in an interlayer matrix structure.
[0019] The utility model is characterized by simple structure, convenient use, wide application range, adopts an assembled structure, is arranged through an interlayer matrix structure, is not restricted by space, has low cost investment, can provide a stable growth space for microorganisms in a gas-liquid flow ecological environment, can realize the nitrification and denitrification of sewage denitrification, and can realize the function of oxygen blowing and carbon dioxide removal. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a front view of the biochemical bed unit of the utility model;
[0021] Figure 2 It is a side view of the biochemical bed unit of the utility model;
[0022] Figure 3 It is a top view of the biochemical bed unit of the utility model;
[0023] Figure 4 It is a bottom view of the biochemical bed unit of the utility model;
[0024] Figure 5 This is the axonometric view of the biochemical bed unit of the utility model. Figure 1 ;
[0025] Figure 6 yes Figure 5 A partial enlarged view of
[0026] Figure 7 This is the axonometric view of the biochemical bed unit of the utility model. Figure 2 ;
[0027] Figure 8 Figure 7 A partial enlarged view of
[0028] Fig. 9 This is a front view of the assembled biochemical bed module of the utility model;
[0029] Fig.10 It is an axonometric diagram of the assembled biochemical bed module of the utility model;
[0030] Fig.11 yes Fig.10 A partial enlarged view of
[0031] Fig.12 It is a schematic diagram of the assembled biochemical bed modules of the utility model being arranged in a layer matrix structure;
[0032] Fig.13 It is an axonometric diagram of the assembled biochemical bed modules of the utility model in a state of being arranged in a layer matrix structure;
[0033] Fig.14 It is a schematic diagram of the use state of the utility model;
[0034] Fig.15 It is an axonometric diagram of the utility model in use state.
[0035] Among them: 1. biochemical bed unit 11, keel 12, upper wing rib 13, lower wing rib 14, bolt hole 15, contact boss 16, contact recess 2, bolt 3, nut. DETAILED DESCRIPTION
[0036] like Figure 1-15 As shown, the utility model is a biochemical bed unit, and the biochemical bed unit 1 can be a square, rectangular, or polygonal plane or curved surface structure; the biochemical bed unit 1 includes a keel 11, and the keel 11 can be a flat plate or a corrugated plate; a plurality of upper ribs 12 are arranged at intervals on the upper end surface of the keel 11, and a plurality of lower ribs 13 are arranged at intervals on the lower end surface of the keel 11; the upper ribs 12 and the lower ribs 13 are both thin-walled structures, and the phase difference between the two is 90°, that is, the two are perpendicular to each other, so as to form a transverse microbial bed and longitudinal microbial bed; the wing tips of the upper wing ribs 12 are at the same plane height, the wing tips of the lower wing ribs 13 are at the same plane height, the depth from the wing root to the wing tip of the upper wing rib 12 is 1.0-7.0mm, the depth from the wing root to the wing tip of the lower wing rib 13 is 1.0-7.0mm, the width of the grooves formed between adjacent upper wing ribs 12 is 2.0-2.5mm, and the width of the grooves formed between adjacent lower wing ribs 13 is 2.0-2.5mm.
[0037] The biochemical bed unit 1 can be made of composite materials such as resin, synthetic rubber, plastic, ceramic, fly ash, glass fiber, etc., and can be made of plastic materials such as PP, ABS, etc. with anti-ultraviolet and ozone materials added. The material composition can meet the corrosion resistance of biological strains and the requirements of structural strength for changes in the use environment; the biochemical bed unit 1 can adopt a mold injection molding process, which has high processing accuracy and economical production cost, and can adopt a production assembly line batch production processing mode.
[0038] The parameters of the biochemical bed unit 1 are preferably individual unit surface area: 0.36m 2 , volume: 0.00013m 3 The ratio of its surface area to volume reaches 2.9:1. The groove depth of the biochemical bed unit 1 is 1.0-7.0 mm, and the groove surface area can provide a safe hatching and breeding place for microorganisms and aquatic fish, crustaceans, and benthic organisms.
[0039] An assembled biochemical bed module comprises a plurality of biochemical bed units 1 stacked in series, wherein bolt holes 14 are provided at the four corners of each of the biochemical bed units 1, bolts 2 are inserted into the bolt holes 14, nuts 3 are installed on the bolts 2, and the plurality of biochemical bed units 1 are connected and fastened by the bolts 2 and nuts 3; a contact boss 15 is installed on one side of the bolt hole 14, and a contact recess 16 is installed on the other side; the corresponding contact bosses 15 and contact recesses 16 of adjacent biochemical bed units 1 are matched and connected, so as to facilitate the positioning, connection and fastening of the biochemical bed units 1. The assembled biochemical bed module adopts a top-down design concept, which fully considers the use environment, installation space, density of gas-liquid medium, fluid mechanics, control nodes and other industrial design parameters.
[0040] When the assembled biochemical bed module of the utility model is used, it can be combined and installed for use according to environmental conditions and the purpose of use. According to the spatial structure of the biochemical pool or tank equipment, a plurality of assembled biochemical bed modules can be placed in an interlayer matrix structure. By assembling into a matrix structure and acting on a large space, the biochemical pool is not restricted by space, the biochemical treatment performance of the original biochemical pool can be optimized and upgraded, and the problem of interference between the gas-liquid flow channel of the existing biochemical pool and the "vermiculite biochemical bed" or "ceramic biochemical bed" products due to the stacking and placement method of the biochemical pool space can be solved.
[0041] The utility model can provide a stable growth space for microorganisms in the ecological environment of the gas-liquid process by adjusting the gas delivery volume and the liquid flow rate, and when the microbial growth is quantified, the nitrification and denitrification of the biochemical bed can be achieved; the function of blowing oxygen and removing carbon dioxide from the liquid on the surface of the utility model can be achieved by adjusting the control function of the gas type and the liquid flow rate.
[0042] The utility model can be used in water (liquid) environments, and can be used as a biochemical bed for the expansion and growth of microbial flora. It is a growth bed that can regulate mass transfer through gas (steam) bodies, and is a nitrification and denitrification device that can biologically remove ammonia nitrogen in gas and liquid. The utility model can be used in marine and land-based aquaculture water environments, for island building, marine ecological environment restoration, as an ecological bed for the growth and development of coral polyps, as a breeding equipment for benthic organisms, crustaceans, aquatic fish, fish and shrimp and other aquatic organisms, as an artificial microbial bed for aquaculture ponds, and is a beach land expanded in water bodies, which can be used as an artificial beach or floating island function or as an artificial focal disc or cave structure function.
[0043] The utility model has a wide range of application fields and can be used for biochemical process pools in urban sewage treatment plants, biochemical process pools in sewage treatment workshops of food processing plants, biochemical process pools for rural biogas sewage treatment, coal chemical industry, laminar flow and gas-fluid flow of industrial sewage tower equipment, liquid-fluid flow, mass transfer, degassing equipment, land-based high-density fish and shrimp farms, biochemical process treatment equipment for aquaculture water bodies, artificial beaches for land-based fish and shrimp aquaculture ponds, artificial cave coke trays, etc.
[0044] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present invention according to the technical scheme and inventive concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A biochemical bed unit, characterized in that: It comprises a keel, wherein upper wing ribs are arranged at intervals on the upper end surface of the keel, and lower wing ribs are arranged at intervals on the lower end surface of the keel.
2. A biochemical bed unit according to claim 1, characterized in that: The keel is a flat plate or a corrugated plate.
3. A biochemical bed unit according to claim 1, characterized in that: The upper rib and the lower rib are both thin-walled structures, and the phase difference between the two is 90°.
4. A biochemical bed unit according to claim 1, characterized in that: The wing tips of the upper ribs are at the same plane height, and the wing tips of the lower ribs are at the same plane height.
5. A biochemical bed unit according to claim 1, characterized in that: The depth from the wing root to the wing tip of the upper wing rib is 1.0-7.0 mm, and the depth from the wing root to the wing tip of the lower wing rib is 1.0-7.0 mm.
6. A biochemical bed unit according to claim 1, characterized in that: The width of the grooves formed between adjacent upper ribs is 2.0-2.5 mm, and the width of the grooves formed between adjacent lower ribs is 2.0-2.5 mm.
7. An assembled biochemical bed module, characterized in that: It comprises biochemical bed units as described in any one of claims 1 to 6 which are stacked and connected in series.
8. The assembled biochemical bed module according to claim 7, characterized in that: Bolt holes are provided at the four corners of each biochemical bed unit. Bolts are inserted into the bolt holes. Nuts are installed on the bolts. The biochemical bed units are fastened by connecting the bolts and nuts.
9. The assembled biochemical bed module according to claim 8, characterized in that: A contact boss is installed on one side of the bolt hole, and a contact recess is installed on the other side. The corresponding contact bosses and contact recesses of adjacent biochemical bed units are matched and connected.
10. The assembled biochemical bed module according to claim 7, characterized in that: Several assembled biochemical bed modules are arranged in an interlayer matrix structure.