CN203999127U - A kind of seepage flow is from oxygenation bacterium blanket short distance nitration reactor - Google Patents

A kind of seepage flow is from oxygenation bacterium blanket short distance nitration reactor Download PDF

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CN203999127U
CN203999127U CN201420431855.5U CN201420431855U CN203999127U CN 203999127 U CN203999127 U CN 203999127U CN 201420431855 U CN201420431855 U CN 201420431855U CN 203999127 U CN203999127 U CN 203999127U
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water
rotating cylinder
bacterium
water inlet
blanket
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CN201420431855.5U
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郑平
单晓雨
王志尧
厉巍
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses a kind of cost-effective seepage flow from oxygenation bacterium blanket short distance nitration reactor.Reactor is provided with fixed system, water inlet system, reactive system, water gathering system, return-flow system; Fixed system is integrated by pillar, crossbeam and platform, and water inlet system is integrated by the unit that intakes, and water inlet unit is provided with water inlet pipe, water head tank, seepage flow water distributor, communicating pipe; Reactive system is integrated by reaction member, and reaction member is provided with rotating cylinder fulcrum, rotating cylinder, bacterium blanket; Water gathering system is provided with water leg, settling tank (the backflow well of holding concurrently), overflow weir, and return-flow system is provided with backflow well (settling tank of holding concurrently), reflux pump and return line.The utility model adopts seepage-type water distribution, and water distribution is even; Adopt contact oxygen supply, without aeration; Adopt bacterium blanket, without mud-water separation; For ammonia oxidation, can realize short distance nitration; There is no complex construction, convenient operation is safeguarded.

Description

A kind of seepage flow is from oxygenation bacterium blanket short distance nitration reactor
Technical field
The utility model relates to a kind of waste water nitrator.Relate in particular to a kind of cost-effective seepage flow from oxygenation bacterium blanket short distance nitration reactor.
Background technology
Implement after " reduction of discharging of control source " in the whole nation, and waste water organic contamination is effectively administered, and nitrogen and phosphorus pollution highlights as main Environmental Problems.According to < < China Environmental State Bulletin > >, within 2013, National Chemical oxygen requirement (COD) quantity discharged is 2352.7 ten thousand tons, 245.7 ten thousand tons of ammonia nitrogen quantity dischargeds.Lake due to pollution " wawter bloom " and coastal waters " red tide " occur again and again, jeopardized all conglomeraties such as agricultural, fishery, tourism, and drinking water hygiene and food safety are constituted a serious threat.Water pollution has become the people's livelihood problem that millions of people are gazed at, and nitrate pollution is needed control badly.
Ammonia nitrogen is main nitrogen pollutant in water body.Take nitrated technology and denitrification technology as basic traditional biological denitrogenation be denitrogenation of waste water mainstream technology.This technology exists many defects, mainly comprises: 1. nitrification oxygen requirement is large, and oxygenation energy consumption is large; 2. denitrification needs additional electron donor (organism), and working cost is high; 3. process volume efficiency is lower, and required pond holds larger, and floor space is more.In view of this, improve existing wastewater denitrification process necessary.
In recent years, take Anammox as basic Process of Biological Nitrogen Removal enters the people visual field, greatly improved process volume efficiency, effectively reduce oxygenation energy consumption, avoided external source organically to rely on completely, but Anammox needs short distance nitration as preliminary processes.Seepage flow not only can be Anammox from oxygenation bacterium blanket short distance nitration reactor matrix nitrite is provided, and can eliminate oxygen supply energy consumption, and regulation and control Anammox required ammonia nitrogen and nitrite nitrogen ratio avoids the product due to high nitrite accumulation to suppress.Seepage flow can become the important pushing hands of anaerobic ammonia oxidation process development from oxygenation bacterium blanket short distance nitration reactor.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of cost-effective seepage flow from oxygenation bacterium blanket short distance nitration reactor.
The technical solution of the utility model is as follows:
Seepage flow comprises fixed system, water inlet system, reactive system, water gathering system, return-flow system from oxygenation bacterium blanket short distance nitration reactor; Fixed system is comprised of pillar, crossbeam, top platform, bottom platform, supports whole reactor; Water inlet system is positioned at fixed system top, comprises water inlet unit, water inlet pipe, communicating pipe that a 8-12 in parallel structure is identical, and water inlet unit comprises water head tank and seepage flow water distributor; Reactive system is positioned at fixed system middle part, and integrated by a plurality of reaction members, reaction member comprises rotating cylinder fulcrum, rotating cylinder, bacterium blanket; Water gathering system is positioned at fixed system bottom, comprises water leg, settling tank hold concurrently backflow well, overflow weir, rising pipe, and return-flow system is positioned at water gathering system side, comprises settling tank hold concurrently backflow well, reflux pump and return line.
Described fixed system is comprised of 4 pillars, 12 crossbeams, top platform, bottom platform; 12 described crossbeams comprise 4 top cross beam, 4 middle beams, 4 root bottom part crossbeams, the long beam that each main beam transverse that is 300mm by two length of top cross beam, middle beam and base cross members and two length are 400mm forms, 4 each 900mm of column length, the length of top platform and bottom platform is 400 mm, width is 300 mm; Top cross beam rides over post top portion, and middle beam rides over pillar apart from 800 mm places, top, and base cross members rides over pillar apart from 900 mm places, top, and it is that 400 mm, width are the rectangle of 300 mm that top cross beam, middle beam and base cross members form respectively length; Top platform and bottom platform ride over respectively in top cross beam and base cross members.
Described water inlet system comprises water inlet unit, water inlet pipe, the communicating pipe that a 8-12 in parallel structure is identical; Water inlet unit consists of water head tank and seepage flow water distributor; Water head tank cross section is down arch door shape, be rectangle above, height 30-40 mm, width 20-30 mm, below semicircular in shape, diameter 20-30 mm, water head tank element length 300-400 mm; Seepage flow water distributor consists of with non-woven fabrics non-woven fabric clamp plate, water distribution; Non-woven fabric clamp plate width 5-10 mm, thickness 1-2 mm, length 300-400 mm, is arranged at water head tank inwall; Non-woven fabrics height 80-100 mm for water distribution, length 300-400 mm, is fixed by non-woven fabric clamp plate, and following 10 mm of the water head tank water surface are immersed in one end, and the other end is covered in bacterium blanket surface; Water inlet enters the water head tank of the water inlet unit that 8-12 structure is identical by water inlet pipe, between the water head tank of the water inlet unit that 8-12 structure is identical with being communicated with communicating pipe.
Described reactive system is composed in parallel by 8-12 the identical reaction member of structure; Reaction member comprises rotating cylinder fulcrum, rotating cylinder, bacterium blanket; Rotating cylinder fulcrum comprises rotating cylinder fulcrum and lower rotating cylinder fulcrum, and rotating cylinder comprises rotating cylinder and lower rotating cylinder, and upper rotating cylinder fulcrum is installed in fixed system top cross beam, and lower rotating cylinder fulcrum is installed on fixed system middle beam; Upper rotating cylinder and lower rotating cylinder are installed on respectively on rotating cylinder fulcrum and lower rotating cylinder fulcrum; Rotating cylinder diameter 20-30 mm, length 300-400 mm; Bacterium blanket is formed by the function yeast of growing on non-woven fabrics, bacterium blanket width 300-400 mm, and length 500-800 mm, is cast volume and is hung on rotating cylinder and lower rotating cylinder.
Described water gathering system is positioned in fixed system bottom platform, comprises water leg, settling tank hold concurrently backflow well, overflow weir; Water leg length 400 mm, width 300 mm, height 30-50 mm; The settling tank backflow well of holding concurrently is located at one jiao of water leg, and surface is square, length 50-80 mm, and width 50-80 mm, degree of depth 30-50 mm, establishes overflow weir and rising pipe in settling tank backflow well one side of holding concurrently.
Described return-flow system is positioned at water gathering system side, comprises reflux pump and return line; Return line suction nozzle is placed in settling tank and holds concurrently in backflow well, and reflux pump is connected by return line and the settling tank of the water gathering system backflow well of holding concurrently, and return line outlet is connected with the water inlet pipe of water inlet system.
[0013]the utility model compared with prior art has the following advantages: adopt seepage-type water distribution, water distribution is even; Adopt contact oxygen supply, without aeration; Adopt bacterium blanket, without mud-water separation; For ammonia oxidation, can realize short distance nitration; There is no complex construction, convenient operation is safeguarded.
Accompanying drawing explanation
Fig. 1 is that seepage flow is from oxygenation bacterium blanket short distance nitration reactor fixed system structural representation;
Fig. 2 is that seepage flow is from oxygenation bacterium blanket short distance nitration reactor front view;
Fig. 3 is that seepage flow is from oxygenation bacterium blanket short distance nitration reactor left view;
Fig. 4 is that seepage flow is from oxygenation bacterium blanket short distance nitration reactor vertical view.
Wherein: fixed system A, water inlet system B, reactive system C, water gathering system D, return-flow system E; Pillar A1, crossbeam A2, top cross beam A21, middle beam A22, base cross members A23, top platform A31, bottom platform A32; Water inlet unit B 1, water inlet pipe B2, communicating pipe B3, water head tank B11, seepage flow water distributor B12, non-woven fabric clamp plate B121, water distribution non-woven fabrics B122; Reaction member C1, rotating cylinder fulcrum C11, rotating cylinder C12, bacterium blanket C13, upper rotating cylinder fulcrum C111, lower rotating cylinder fulcrum C112, upper rotating cylinder C121, lower rotating cylinder C122; Water leg D1, settling tank hold concurrently backflow well D2, overflow weir D3, rising pipe D4; Reflux pump E1, return line E2.
Embodiment
As Figure 1-4, seepage flow comprises fixed system A, water inlet system B, reactive system C, water gathering system D, return-flow system E from oxygenation bacterium blanket short distance nitration reactor; Fixed system A is comprised of pillar A1, crossbeam A2, top platform A31, bottom platform A32, supports whole reactor; Water inlet system B is positioned at fixed system A top, comprises water inlet unit B 1, water inlet pipe B2, communicating pipe B3 that a 8-12 in parallel structure is identical, and water inlet unit B 1 comprises water head tank B11 and seepage flow water distributor B12; Reactive system C is positioned at fixed system A middle part, and integrated by a plurality of reaction member C1, reaction member C1 comprises rotating cylinder fulcrum C11, rotating cylinder C12, bacterium blanket C13; Water gathering system D is positioned at fixed system A bottom, comprises water leg D1, settling tank hold concurrently backflow well D2, overflow weir D3, rising pipe D4, and return-flow system E is positioned at water gathering system D side, comprises settling tank hold concurrently backflow well D2, reflux pump E1 and return line E2.
Described fixed system A is comprised of 4 pillar A1,12 crossbeam A2, top platform A31, bottom platform A32; 12 described crossbeam A2 comprise 4 top cross beam A21,4 middle beam A22,4 root bottom part crossbeam A23, the long beam that each main beam transverse that is 300mm by two length of top cross beam A21, middle beam A22 and base cross members A23 and two length are 400mm forms, 4 each 900mm of pillar A1 length, the length of top platform A31 and bottom platform A32 is 400 mm, width is 300 mm; Top cross beam A21 rides over pillar A1 top, middle beam A22 rides over pillar A1 apart from 800 mm places, top, base cross members A23 rides over pillar A1 apart from 900 mm places, top, and it is that 400 mm, width are the rectangle of 300 mm that top cross beam A21, middle beam A22 and base cross members A23 form respectively length; Top platform A31 and bottom platform A32 ride over respectively on top cross beam A21 and base cross members A23.
Described water inlet system B comprises water inlet unit B 1, water inlet pipe B2, the communicating pipe B3 that a 8-12 in parallel structure is identical; Water inlet unit B 1 consists of water head tank B11 and seepage flow water distributor B12; Water head tank B11 cross section is down arch door shape, be rectangle above, height 30-40 mm, width 20-30 mm, below semicircular in shape, diameter 20-30 mm, water head tank unit B 11 length 300-400 mm; Seepage flow water distributor B12 consists of with non-woven fabrics B122 non-woven fabric clamp plate B121, water distribution; Non-woven fabric clamp plate B121 width 5-10 mm, thickness 1-2 mm, length 300-400 mm, is arranged at water head tank B11 inwall; Non-woven fabrics B122 height 80-100 mm for water distribution, length 300-400 mm, by non-woven fabric clamp plate, B121 fixes, and following 10 mm of the water head tank B11 water surface are immersed in one end, and the other end is covered in bacterium blanket C13 surface; Water inlet enters the water head tank B11 of the water inlet unit B 1 that 8-12 structure is identical by water inlet pipe B2, between the water head tank B11 of the water inlet unit B 1 that 8-12 structure is identical, with communicating pipe B3, be communicated with.
Described reactive system C is composed in parallel by 8-12 the identical reaction member C1 of structure; Reaction member C1 comprises rotating cylinder fulcrum C11, rotating cylinder C12, bacterium blanket C13; Rotating cylinder fulcrum C11 comprises rotating cylinder fulcrum C111 and lower rotating cylinder fulcrum C112, rotating cylinder C12 comprises rotating cylinder C121 and lower rotating cylinder C122, it is upper that upper rotating cylinder fulcrum C111 is installed on fixed system A top cross beam A21, and lower rotating cylinder fulcrum C112 is installed on fixed system A middle beam A22; Upper rotating cylinder C121 and lower rotating cylinder C122 are installed on respectively on rotating cylinder fulcrum C111 and lower rotating cylinder fulcrum C112; Rotating cylinder C12 diameter 20-30 mm, length 300-400 mm; Bacterium blanket C13 is formed by the function yeast ammonia oxidizing bacteria that grows on non-woven fabrics, bacterium blanket width 300-400 mm, and length 500-800 mm, is cast volume and is hung on rotating cylinder B121 and lower rotating cylinder B122.
It is upper that described water gathering system D is positioned at fixed system A bottom platform A32, comprises water leg D1, settling tank hold concurrently backflow well D2, overflow weir D3; Water leg D1 length 400 mm, width 300 mm, height 30-50 mm; The settling tank backflow well D2 that holds concurrently is located at mono-jiao of water leg D1, and surface is square, length 50-80 mm, and width 50-80 mm, degree of depth 30-50 mm, establishes overflow weir D3 and rising pipe D4 in settling tank backflow well D2 mono-side of holding concurrently.
Described return-flow system E is positioned at water gathering system D side, comprises reflux pump E1 and return line E2; Return line E2 suction nozzle is placed in settling tank and holds concurrently in backflow well D2, and reflux pump E1 is connected by return line E2 and the settling tank of the water gathering system D backflow well D2 that holds concurrently, and return line E2 outlet is connected with the water inlet pipe B11 of water inlet system B.
The method of wastewater treatment of described nitrator is that waste water flows into each water head tank unit B 11 through water inlet pipe B2 and communicating pipe B3, waste water in each water head tank unit is the capillary action with non-woven fabrics B122 by water distribution in each seepage flow water distributor B12, be uniformly distributed on each bacterium blanket unit C13 of reactive system, again through bacterium blanket C13(non-woven fabrics apposition growth function yeast) the above effect of ammonia oxidation bacteria, ammonia changes into nitrite nitrogen, required oxygen is directly provided by air, without special oxygen supply equipment and oxygen supply energy consumption thereof, under action of gravity, waste water is vertically dirty in bacterium blanket C13, owing to there is no matrix back-mixing, can eliminate the restraining effect of nitrite, by regulating the lower Flow Velocity of waste water in bacterium blanket C13 and the ratio of reaction solution reflux ratio adjustable Anammox matrix ammonia nitrogen and nitrite nitrogen, waste water through each bacterium blanket unit C13 effect, unified being collected in water leg D1, flow into again the settling tank backflow well D2 that holds concurrently, through overflow weir D3, by rising pipe D4, be connected subsequent technique, if effluent quality does not meet subsequent technique requirement, the processing water of settling tank being held concurrently in backflow well D2 with reflux pump E1 is along return line E2 blowback water head tank unit B 11, carry out second and take turns processing, until meet subsequent technique requirement.

Claims (6)

1. seepage flow, from an oxygenation bacterium blanket short distance nitration reactor, is characterized in that reactor comprises fixed system (A), water inlet system (B), reactive system (C), water gathering system (D), return-flow system (E); Fixed system (A) is comprised of pillar (A1), crossbeam (A2), top platform (A31), bottom platform (A32), supports whole reactor; Water inlet system (B) is positioned at fixed system (A) top, comprises water inlet unit (B1), water inlet pipe (B2), communicating pipe (B3) that a 8-12 in parallel structure is identical, and water inlet unit (B1) comprises water head tank (B11) and seepage flow water distributor (B12); Reactive system (C) is positioned at fixed system (A) middle part, and integrated by a plurality of reaction members (C1), reaction member (C1) comprises rotating cylinder fulcrum (C11), rotating cylinder (C12), bacterium blanket (C13); Water gathering system (D) is positioned at fixed system (A) bottom, comprise water leg (D1), settling tank hold concurrently backflow well (D2), overflow weir (D3), rising pipe (D4), return-flow system (E) is positioned at water gathering system (D) side, comprises settling tank hold concurrently backflow well (D2), reflux pump (E1) and return line (E2).
2. seepage flow according to claim 1, from oxygenation bacterium blanket short distance nitration reactor, is characterized in that described fixed system (A) is comprised of 4 pillars (A1), 12 crossbeams (A2), top platform (A31), bottom platform (A32); Described 12 crossbeams (A2) comprise 4 top cross beam (A21), 4 middle beams (A22), 4 root bottom part crossbeams (A23), the long beam that each main beam transverse that is 300mm by two length of top cross beam (A21), middle beam (A22) and base cross members (A23) and two length are 400mm forms, each 900mm of 4 pillars (A1) length, the length of top platform (A31) and bottom platform (A32) is 400 mm, width is 300 mm; Top cross beam (A21) rides over pillar (A1) top, middle beam (A22) rides over pillar (A1) apart from 800 mm places, top, base cross members (A23) rides over pillar (A1) apart from 900 mm places, top, and it is that 400 mm, width are the rectangle of 300 mm that top cross beam (A21), middle beam (A22) and base cross members (A23) form respectively length; Top platform (A31) and bottom platform (A32) ride over respectively in top cross beam (A21) and base cross members (A23).
3. seepage flow according to claim 1, from oxygenation bacterium blanket short distance nitration reactor, is characterized in that described water inlet system (B) comprises water inlet unit (B1), water inlet pipe (B2), the communicating pipe (B3) that a 8-12 in parallel structure is identical; Water inlet unit (B1) consists of water head tank (B11) and seepage flow water distributor (B12); Water head tank (B11) cross section is down arch door shape, be rectangle above, height 30-40 mm, width 20-30 mm, below semicircular in shape, diameter 20-30 mm, water head tank unit (B11) length 300-400 mm; Seepage flow water distributor (B12) is by non-woven fabric clamp plate (B121), for water distribution, non-woven fabrics (B122) forms; Non-woven fabric clamp plate (B121) width 5-10 mm, thickness 1-2 mm, length 300-400 mm, is arranged at water head tank (B11) inwall; Non-woven fabrics for water distribution (B122) height 80-100 mm, length 300-400 mm, fixing by non-woven fabric clamp plate (B121), following 10 mm of water head tank (B11) water surface are immersed in one end, and the other end is covered in bacterium blanket (C13) surface; Water inlet enters the water head tank (B11) of the water inlet unit (B1) that 8-12 structure is identical by water inlet pipe (B2), use communicating pipe (B3) connection between the water head tank (B11) of the water inlet unit (B1) that 8-12 structure is identical.
4. seepage flow according to claim 1, from oxygenation bacterium blanket short distance nitration reactor, is characterized in that described reactive system (C) is composed in parallel by 8-12 the identical reaction member (C1) of structure; Reaction member (C1) comprises rotating cylinder fulcrum (C11), rotating cylinder (C12), bacterium blanket (C13); Rotating cylinder fulcrum (C11) comprises rotating cylinder fulcrum (C111) and lower rotating cylinder fulcrum (C112), rotating cylinder (C12) comprises rotating cylinder (C121) and lower rotating cylinder (C122), it is upper that upper rotating cylinder fulcrum (C111) is installed on fixed system (A) top cross beam (A21), and lower rotating cylinder fulcrum (C112) is installed on fixed system (A) middle beam (A22); Upper rotating cylinder (C121) and lower rotating cylinder (C122) are installed on respectively on rotating cylinder fulcrum (C111) and lower rotating cylinder fulcrum (C112); Rotating cylinder (C12) diameter 20-30 mm, length 300-400 mm; Bacterium blanket (C13) is formed by the function yeast of growing on non-woven fabrics (ammonia oxidizing bacteria), bacterium blanket width 300-400 mm, and length 500-800 mm, is cast volume and is hung on rotating cylinder (B121) and lower rotating cylinder (B122).
5. seepage flow according to claim 1 is from oxygenation bacterium blanket short distance nitration reactor, it is characterized in that described water gathering system (D) is positioned at fixed system (A) bottom platform (A32) upper, comprise water leg (D1), settling tank hold concurrently backflow well (D2), overflow weir (D3); Water leg (D1) length 400 mm, width 300 mm, height 30-50 mm; The settling tank backflow well (D2) of holding concurrently is located at one jiao of water leg (D1), and surface is square, length 50-80 mm, and width 50-80 mm, degree of depth 30-50 mm, establishes overflow weir (D3) and rising pipe (D4) in settling tank backflow well (D2) side of holding concurrently.
6. seepage flow according to claim 1, from oxygenation bacterium blanket short distance nitration reactor, is characterized in that described return-flow system (E) is positioned at water gathering system (D) side, comprises reflux pump (E1) and return line (E2); Return line (E2) suction nozzle is placed in settling tank and holds concurrently in backflow well (D2), reflux pump (E1) is connected by return line (E2) and the settling tank of water gathering system (D) the backflow well (D2) of holding concurrently, and return line (E2) outlet is connected with the water inlet pipe (B11) of water inlet system (B).
CN201420431855.5U 2014-08-01 2014-08-01 A kind of seepage flow is from oxygenation bacterium blanket short distance nitration reactor Withdrawn - After Issue CN203999127U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104192986A (en) * 2014-08-01 2014-12-10 浙江大学 Short-cut nitrification reactor with seepage and self-oxygenation bacterial blanket and wastewater treatment method of short-cut nitrification reactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104192986A (en) * 2014-08-01 2014-12-10 浙江大学 Short-cut nitrification reactor with seepage and self-oxygenation bacterial blanket and wastewater treatment method of short-cut nitrification reactor
CN104192986B (en) * 2014-08-01 2016-01-20 浙江大学 Seepage flow is from oxygenation bacterium blanket short distance nitration reactor and method of wastewater treatment thereof

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