CN203355608U

CN203355608U - Bio-trickling filter tower

Info

Publication number: CN203355608U
Application number: CN2012204676931U
Authority: CN
Inventors: 黄清华; 王克清
Original assignee: TIANJIN YIQING HUAYUAN ENVIRONMENT TECHNOLOGY Co Ltd
Current assignee: TIANJIN YIQING HUAYUAN ENVIRONMENT TECHNOLOGY Co Ltd
Priority date: 2012-09-13
Filing date: 2012-09-13
Publication date: 2013-12-25
Anticipated expiration: 2022-09-13

Abstract

A bio-trickling filter tower comprises a tower body, a gas inlet pipe and a perforated aerator pipe, wherein an exhaust port is formed in the top of the tower body, the perforated aerator pipe is arranged at the bottom of the filter body, the opening end of the exhaust pipe is connected with the gas inlet pipe, the other end is closed, a plurality of holes are formed in the wall of the perforated aerator pipe, and an aeration head is connected to the position of each hole; more than one trickling filter and odor removal unit is further arranged above the perforated aerator pipe and located in the tower body, and comprises a gas distribution supporting plate, a packing layer and a humidification system, the gas distribution supporting plate adopts a ventilation structure, the edges of the gas distribution supporting plate are connected with the tower wall, the packing layer is stacked on the gas distribution supporting plate, the padding layer is filled with a filler which is a mixture of an inorganic filler and an organic filler, and the humidification system is connected to the position of the tower wall above the packing layer; and more than one overflowing port is formed in the wall between the perforated aerator pipe and the bottommost trickling filter and odor removal unit. The bio-trickling filter tower has the benefits as follows: the condition that the organic filler blocks the inorganic filler in the equipment operation process is avoided, the use efficiency of the organic filler is improved, and the odor removal rate of biological strains is increased.

Description

A kind of bio-trickling filter

Technical field

The utility model belongs to the bio-filtration deodorization technical field, relates in particular to a kind of bio-trickling filter.

Background technology

Bio-trickling filter, also be the immobilized biological membrane washer, its structure is similar to bio-trickling filter, difference is that top is equipped with spray system, constantly the liquid under spray drips downwards by the surface of porous aggregate, often contain the needed nutriment of growth of microorganism in spray liquid, and come thus humidity and pH value in control appliance, the method for liquid continuous circulation makes most pollutant to be dissolved in liquid.Set up the filler of attached microbial in bio-trickling filter; for microbial growth, organic degraded provide condition; the inserts adopted is can not be the inert material of Institute of Micro-biology's degraded; such as polypropylene pellets, pottery, charcoal, granular activated carbon etc., this provides possibility for life-span and the minimizing pressure drop that extends filler.Due to the superiority aspect deodorizing, bio-trickling filter has become the focus of domestic and international research, and Holland has developed for the treatment of high concentration, containing the bio-trickling filter of acid constituents in 1992.

Traditional biological is dripped the position of admission line of filter tower between circulation fluid and gas distribution supporting plate, the mixed type filler that drips filler in filter tower and be bark, weeds, wood chip etc. or mix with Vuggy rock, and, with unordered concentrated stacking, as biological inoculum, create life condition.But in running, gas does not have through dripping the process of filter, oil removing, and filler easily is corroded, and makes the porosity of Vuggy rock greatly reduce, thereby causes the crushing of bio-trickling filter greatly to increase, and odor removal efficient reduces greatly.

In conventional art, concentrated, the unordered stacking of filler cause the replacement cycle of filler obviously to shorten, and the difficulty of changing filler strengthens; Gas does not have through dripping the pretreatment of filter, oil removing, and particulate material and greasy dirt obviously reduce the porosity of Vuggy rock, have increased the tower body load, and odor removal efficient is reduced; Filler generally adopts bark, wood chip, grass roots, operation along with equipment, these fillers rot gradually, along with spray system is discharged tower body, the rotten filler of not discharging is attached in Vuggy rock, lower porosity and the biomembranous adhesive rate of Vuggy rock, caused the biological deodorizing rate to reduce, shortened the life-span of biological inoculum.

The utility model content

Problem to be solved in the utility model is as follows:

1. the problem of oil-containing in gas.

2. gas stops up the problem of filler containing particulate material.

3. the problem of replacement difficulty.

4. filler is stacked highly low problem.

5. stop up the problem of Vuggy rock after the filler corrosion.

6. the problem that oleaginous material discharges.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of bio-trickling filter, comprise tower body, air inlet pipe, the tower body top has exhaust outlet, also comprises boring aeration pipe, the bottom of described boring aeration pipe in tower body, described boring aeration tube opening one end is connected with air inlet pipe, other end sealing, have some holes on the tube wall of described boring aeration pipe, each tapping is connected with aeration head;

The inherent boring aeration pipe of described tower body top also is provided with an above filtration deodorization unit, described filtration deodorization unit comprises gas distribution supporting plate, packing layer, humidification system, described gas distribution supporting plate is ventilating structure, gas distribution supporting plate edge is connected with the tower wall, be stacked with packing layer on the gas distribution supporting plate, packing layer loads the filler that material combines with organic filler for a kind of inorganic filler, and on packing layer, squarer wall place is connected with humidification system;

Described boring aeration pipe and on the tower wall between filtration deodorization unit, below, have more than one overfall.

Further, the Ta Bichu between described packing layer and humidification system has discharge port.

Further, adopt high-strength synthetic resin adhesive between described aeration head and boring aeration pipe.

Further, the organic filler in described packing layer is the synthetic filling that is rich in nitrogen, phosphorus, potassium nutrition, and inorganic filler is Vuggy rock.

Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, solved the problem that particulate material and organic oil liquid stop up filler, overcome biological inoculum to the not high defect of organic oily substance clearance, the situation of having avoided organic filler in equipment running process, inorganic filler to be stopped up, improved the service efficiency of organic filler, effectively improve the clearance of biological inoculum to foul gas, also improved the replacing efficiency of filler.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

In figure:

1, tower body 2, air inlet pipe 3, exhaust outlet 4, boring aeration pipe 5, filtration deodorization unit 6, gas distribution supporting plate 7, packing layer 8, humidification system 9, discharge port 10, overfall

The specific embodiment

As shown in Figure 1, a kind of bio-trickling filter of the utility model, comprise tower body 1, air inlet pipe 2, the tower body top has exhaust outlet 3, also comprises boring aeration pipe 4, the bottom of boring aeration pipe 4 in tower body 1, boring aeration pipe 4 opening one ends are connected with air inlet pipe 2, other end sealing, have some holes on the tube wall of boring aeration pipe 4, each tapping is connected with aeration head; The inherent boring aeration pipe of tower body 4 tops also are provided with an above filtration deodorization unit 5, filtration deodorization unit 5 comprises gas distribution supporting plate 6, packing layer 7, humidification system 8, gas distribution supporting plate 6 is ventilating structure, gas distribution supporting plate 6 edges are connected with the tower wall, be stacked with packing layer 7 on gas distribution supporting plate 6, packing layer 7 loads the filler that material combines with organic filler for a kind of inorganic filler, and on packing layer 7, squarer wall place is connected with humidification system; Boring aeration pipe 4 and on the tower wall between filtration deodorization unit 5, below, have more than one overfall 10.

Further introduce the utility model below by embodiment.

As Fig. 1, in the present embodiment, three filtration deodorization unit 5 are set, adopt three grades of biodegradations to process, every one-level all is equipped with gas distribution supporting plate 6, packing layer 7, humidification system 8, discharge port 9, boring aeration pipe 4 is a kind of tracheae with a plurality of aeration heads, be arranged in tower body 1 bottom cycle liquid, foul gas is entered by air inlet pipe 2, through the dedusting of circulation fluid aeration, oil removing, bulky grain floating thing and organic fluid are overflowed by overfall 10, gas is through the circulation fluid dedusting, after oil removing, through the one-level biodegradation, process again, the two stage biological degradation treatment, three grades of biodegradations are discharged by exhaust outlet 3 after processing.

If directly punching on air inlet pipe 2, circulation fluid can pour in down a chimney, and directly enters air inlet pipe 2, and for preventing this from occurring, the utility model adopts admission line to connect the mode of aeration head.At first will on admission line, punch, then adopt high-strength synthetic resin adhesive aeration head, aeration head can only allow gas to enter into circulation fluid from boring aeration pipe, does not allow liquid to pour in down a chimney and comes in.

Humidification system 8 comprises shower and shower nozzle, shower is fixed by fixing suspension bracket, fixedly one, suspension bracket is connected with shower, other end is connected with gas distribution supporting plate 6 bottoms, one of shower is installed the direct elbow of internal thread, shower nozzle is arranged on the direct elbow of internal thread, and the shower material is UPVC, and the shower nozzle material is PVC.Spray liquid and tower body bottom liquid are all circulation fluid, by the circulatory system, recycle.

Packing layer 7 is integrated organic filler and inorganic filler, organic filler is the synthetic filling that is rich in nitrogen, phosphorus, potassium nutrition, inorganic filler is Vuggy rock.The filling ratio of organic filler and inorganic filler is 3: 7, and minute three layers of layout in tower body have effectively improved the filling of filler highly, have reduced the crushing of filler; Packing layer, with integrated block the filling, arranges discharge port between every layer of filler and humidification system, when filler need be changed, can directly from discharge port, draw off.

Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.

Claims

1. a bio-trickling filter, comprise tower body, air inlet pipe, and the tower body top has exhaust outlet, it is characterized in that:

Also comprise boring aeration pipe, the bottom of described boring aeration pipe in tower body, described boring aeration tube opening one end is connected with air inlet pipe, and other end sealing, have some holes on the tube wall of described boring aeration pipe, and each tapping is connected with aeration head;

The inherent boring aeration pipe of described tower body top also is provided with an above filtration deodorization unit, described filtration deodorization unit comprises gas distribution supporting plate, packing layer, humidification system, described gas distribution supporting plate is ventilating structure, gas distribution supporting plate edge is connected with the tower wall, be stacked with packing layer on the gas distribution supporting plate, on packing layer, squarer wall place is connected with humidification system;

2. a kind of bio-trickling filter according to claim 1, it is characterized in that: the Ta Bichu between described packing layer and humidification system has discharge port.

3. a kind of bio-trickling filter according to claim 1, is characterized in that: adopt high-strength synthetic resin adhesive between described aeration head and boring aeration pipe.