CN203874665U - Biological filter tower for denitrification - Google Patents
Biological filter tower for denitrification Download PDFInfo
- Publication number
- CN203874665U CN203874665U CN201420209888.5U CN201420209888U CN203874665U CN 203874665 U CN203874665 U CN 203874665U CN 201420209888 U CN201420209888 U CN 201420209888U CN 203874665 U CN203874665 U CN 203874665U
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- Prior art keywords
- tower body
- filter
- tower
- shower
- ceramic packing
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Biological Treatment Of Waste Water (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a biological filter tower for denitrification. The biological filter tower comprises a tower body and a support frame, wherein the support frame supports the tower body; an exhaust port is arranged at the top of the tower body, a gas inlet is arranged at the bottom of the tower body, and a circulating water pool is arranged below the tower body; the tower body is communicated with the circulating water pool; a thermostat water bath is arranged at the outer side of the circulating water pool; an aeration device is arranged at the bottom of the tower body; the tower body is internally provided with a support plate, the support plate is internally communicated with a filter, the filter is provided with a through hole, the filter is provided with a bumping post, and the bumping post is arranged at the outer side of the through hole; the support plate is provided with a ceramic packing, and the filter is arranged in the ceramic packing; the tower body is internally provided with a spray pipe, the spray pipe is in a spiral shape, a spray head is arranged at the bottom of the spray pipe, and the spray head is arranged above the ceramic packing; a liquid delivery pipe is arranged between the spray pipe and the circulating water pool, and the liquid delivery pipe is provided with a metering pump. The biological filter tower disclosed by the utility model can prevent the ceramic packing from plugging the support plate, is uniform in spraying effect, ensures the production and propagation speed of microbes, enhances the denitrification effect and achieves the environmental protection effect.
Description
Technical field
The utility model relates to a kind of chemical industry environmental protection equipment, relates in particular to a kind of biological filtering tower combined working for denitrogenation.
Background technology
NO
xbe one of Air Pollutants, be not only detrimental to health, be also the one of the main reasons that causes acid rain, photochemical fog and cause climate change simultaneously.Traditional NO
xprocessing mode complexity, difficulty are large, somewhat expensive, and countries in the world are all striving to find and studying NO
xthe improvement new method of control.In the prior art can be by biological treatment waste gas, mainly utilizing the life process of microorganism is carbon dioxide, water and cellular material the gaseous contaminant decomposition and inversion in waste gas.There are various microorganisms in occurring in nature, nearly all inorganic and organic pollutant can be converted.Biological treatment, compared with other purification styles, has that equipment is simple, energy consumption is low, an advantage such as safe and reliable, non-secondary pollution, and at present, bioanalysis is widely used in purification treatment NO
xin waste gas, be 201220279844.0 as China national Department of Intellectual Property discloses application number on 02 20th, 2013, denomination of invention is a kind of bio-trickling denitrating tower, the features such as cost is low, processing waste gas that it has.But adopt at present in biological treatment waste gas process and have following problem: Ceramics filler is placed in gripper shoe, ceramic packing is being sprayed and doing the used time, ceramic packing is easily blocked the through hole in gripper shoe, recirculated water liquid is amassed in gripper shoe, too much water can suppress growth of microorganism, does not so just have denitrification; Because microbial growth reproduction speed in biological treatment waste gas determines the effect of denitrogenation, generally, temperature, PH and humidity are the factors of major effect microbial growth reproduction speed, but in prior art, do not consider temperature, the factor such as PH and humidity, microbial growth reproduction speed is low, and denitrification effect is poor; And in spray process, shower, to ceramic packing non-uniform spraying, causes part ceramic packing cannot form biomembrane, does not have denitrification.
Utility model content
The utility model object is to solve the above-mentioned technical problem existing in prior art, and a kind of biological filtering tower combined working for denitrogenation is provided, and can prevent that ceramic packing from blocking gripper shoe, and spray even action, ensures micro-organisms reproduction speed, improves denitrification effect.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of biological filtering tower combined working for denitrogenation, comprise tower body and support, stent support tower body, the top of tower body is provided with exhaust outlet, the bottom of tower body is provided with air inlet, it is characterized in that: the below of tower body is provided with circulating water pool, tower body communication loop pond, the outside of circulating water pool is provided with thermostat water bath, the bottom of tower body is provided with aerator, in tower body, be provided with gripper shoe, in gripper shoe, be communicated with filter, filter is provided with through hole, filter is provided with bumping post, bumping post is located at the outside of through hole, gripper shoe is provided with ceramic packing, filter is located in ceramic packing, in tower body, be provided with shower, shower in the shape of a spiral, the bottom of shower is provided with shower nozzle, shower nozzle is located at the top of ceramic packing, between shower and circulating water pool, be provided with woven hose, woven hose is provided with measuring pump.
Further, air inlet place is provided with humidifier, increases the humidity that passes into the waste gas in tower body, ensures micro-organisms reproduction speed.
Further, between the bottom of gripper shoe and the inwall of tower body, be provided with set square, set square adopts stainless steel material, and set square has increased the stability of gripper shoe.
Further, the sidewall of filter is circular arc concave inward structure, has increased the space of fluid, and biological fluids plays souring to the sidewall of filter, and has increased the stability of whole filter, ensures that ceramic packing covers on filter.
Further, aerator comprises mass flowmenter and gas surge flask, mass flowmenter is communicated with extraneous source of the gas, mass flowmenter is communicated with gas buffer bottle, gas buffer bottle is communicated with the bottom of tower body, mass flowmenter can accurately be controlled the oxygen passing in tower body, and gas buffer bottle plays cushioning effect, and whole like this aerator can be stably to carrying out aeration in tower body.
Further, woven hose is provided with control valve, and control valve is located between shower and measuring pump, and control valve controls for regulating the recirculated water that passes into tower body.
The utility model, owing to having adopted technique scheme, has following beneficial effect:
The utility model is communicated with filter in gripper shoe, filter is provided with through hole, filter is provided with bumping post, bumping post is located at the outside of through hole, then ceramic packing is covered in gripper shoe, do the used time at spray, due to the barrier effect of bumping post, oarse-grained ceramic packing is blocked in outside filter, the more short grained ceramic packing of part is along with biological fluids enters into filter interior from through hole, due to filter and gripper shoe connection, more short grained ceramic packing just can be discharged from the endoporus of gripper shoe, and the sidewall of filter is circular arc concave inward structure, biological fluids plays souring to inwall, make the ceramic packing that particle is less be difficult for getting lodged in through hole, can prevent that like this ceramic packing from blocking in gripper shoe, what make that biological fluids can be smooth carries out cycling denitrification effect, the utility model improves shower simultaneously, shower is designed to helical form, and be provided with shower nozzle in the bottom of shower, increase like this spray scope, made shower nozzle to carry out even spray effect to ceramic packing, ensured microbial growth breeding, be conducive to denitrification, improve nitric efficiency, prevent that waste gas from, to atmosphere pollution, playing environment protecting.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of biological filtering tower combined working for denitrogenation of the utility model;
Fig. 2 is the structural representation of shower in the utility model;
Fig. 3 is the structural representation of the utility model middle filtrator.
Detailed description of the invention
As shown in Figure 1 to Figure 3, for a kind of biological filtering tower combined working for denitrogenation of the utility model, comprise tower body 1 and support 2, support 2 adopts stainless steel material, support 2 supports tower body 1, and the tower body 1 of generally selecting has heat insulation effect: at the sidewall of tower body 1, heater strip and heat insulation foam are set.The top of tower body 1 is provided with exhaust outlet 3, exhaust outlet 3 can be discharged the gas after denitrogenation, the bottom of tower body 1 is provided with air inlet 4, waste gas enters tower body 1 from air inlet 4, air inlet 4 places are provided with humidifier 16, humidifier 16 increases the humidity that passes into the waste gas in tower body 1, makes humidity in tower be controlled at 40%～60% (weight in wet base), and this scope Microbial denitrogenation effect is best.The below of tower body 1 is provided with circulating water pool 5, tower body 1 communication loop pond 5, the outside of circulating water pool 5 is provided with thermostat water bath 6, and the temperature in circulating water pool 5 is controlled at 25 DEG C～35 DEG C left and right by thermostat water bath 6, make the breeding of microorganism energy Fast Growth, ensure denitrification.The bottom of tower body 1 is provided with aerator 7, aerator 7 comprises mass flowmenter 71 and gas surge flask 72, mass flowmenter 71 is communicated with extraneous source of the gas, mass flowmenter 71 is communicated with gas buffer bottle 72, gas buffer bottle 72 is communicated with the bottom of tower body 1, mass flowmenter 71 can accurately be controlled the oxygen passing in tower body 1, and gas buffer bottle 72 plays cushioning effect, and whole like this aerator 7 can be stably to carrying out aeration in tower body 1.In tower body 1, be provided with gripper shoe 8, between the bottom of gripper shoe 8 and the inwall of tower body 1, be provided with set square 17, set square 17 adopts stainless steel material, and set square 17 has increased the stability of gripper shoe 8.In gripper shoe 8, be communicated with filter 9, the sidewall of filter 9 is circular arc concave inward structure, increase the space of fluid, biological fluids can play souring to the sidewall of filter 9, and increase the stability of whole filter 9, filter 9 is provided with through hole 91, filter 9 is provided with bumping post 10, bumping post 10 is located at the outside of through hole 91, gripper shoe 8 is provided with ceramic packing 11, filter 9 is located in ceramic packing 11, in tower body 1, be provided with shower 12, shower 12 in the shape of a spiral, the bottom of shower 12 is provided with shower nozzle 13, shower nozzle 13 is located at the top of ceramic packing 11, do the used time at spray like this, due to the barrier effect of bumping post 10, oarse-grained ceramic packing 11 is blocked in outside filter 9, the more short grained ceramic packing 11 of part is along with biological fluids enters into filter 9 inside from through hole 91, because filter 9 and gripper shoe 8 are communicated with, more short grained ceramic packing 11 just can be discharged in the endoporus gripper shoe 8, the sidewall of filter 9 is circular arc concave inward structure, biological fluids plays souring to inwall, make the ceramic packing 11 that particle is less be difficult for getting lodged in through hole 91, can prevent that like this ceramic packing 11 from blocking in gripper shoe 8, what make that biological fluids can be smooth carries out cycling denitrification effect, shower 12 is improved to design simultaneously, shower 12 is designed to helical form, and be provided with shower nozzle 13 in the bottom of shower 12, increase like this spray scope, made shower nozzle 13 to carry out even spray effect to ceramic packing 11, ensured microbial growth breeding, be conducive to denitrification, improve nitric efficiency, prevent that waste gas from, to atmosphere pollution, playing environment protecting.Between shower 12 and circulating water pool 5, be provided with woven hose 14, woven hose 14 is provided with measuring pump 15, woven hose 14 is provided with control valve 18, control valve 18 is located between shower 12 and measuring pump 15, control valve 18 controls for regulating the biological fluids that passes into tower body 1, makes like this biological fluids can loop denitrification.
The utility model specific works principle is as follows: waste gas is drained into tower body 1 bottom by air inlet 4, the waste gas motion of sailing against the current, circulating water pool 5 is pumped into biological fluids in shower 12 by measuring pump 15 simultaneously, shower nozzle 13 on shower 12 carries out even spray effect to ceramic packing 11, make like this to form bio-film colonization on ceramic packing 11, when waste gas process ceramic packing 11, microorganism on ceramic packing 11 carries out denitrification to waste gas, gas after denitrogenation is to the pollution-free effect of atmosphere, from exhaust outlet 3, discharge, biological fluids after denitrogenation flow in filter 9 by the through hole 91 on filter 9, and discharge in endoporus from gripper shoe 8, biological fluids drops to tower body 1 bottom, biological fluids is passed into from tower body 1 bottom and circulating water pool 5, again sprays denitrification, in whole denitrification process, need to utilize aerator 7 stably in tower body 1, to pass into oxygen, maintain and in biological fluids, have a certain amount of dissolved oxygen, the breeding of guarantee microbial growth.
These are only specific embodiment of the utility model, but technical characterictic of the present utility model is not limited to this.Anyly for solving essentially identical technical problem, realize essentially identical technique effect taking the utility model as basis, the simple change done, be equal to and replace or modification etc., be all covered by among protection domain of the present utility model.
Claims (6)
1. the biological filtering tower combined working for denitrogenation, comprise tower body and support, tower body described in described stent support, the top of described tower body is provided with exhaust outlet, the bottom of described tower body is provided with air inlet, it is characterized in that: the below of described tower body is provided with circulating water pool, described tower body is communicated with described circulating water pool, the outside of described circulating water pool is provided with thermostat water bath, the bottom of described tower body is provided with aerator, in described tower body, be provided with gripper shoe, in described gripper shoe, be communicated with filter, described filter is provided with through hole, described filter is provided with bumping post, described bumping post is located at the outside of described through hole, described gripper shoe is provided with ceramic packing, described filter is located in described ceramic packing, in described tower body, be provided with shower, described shower in the shape of a spiral, the bottom of described shower is provided with shower nozzle, described shower nozzle is located at the top of described ceramic packing, between described shower and described circulating water pool, be provided with woven hose, described woven hose is provided with measuring pump.
2. a kind of biological filtering tower combined working for denitrogenation according to claim 1, is characterized in that: described air inlet place is provided with humidifier.
3. a kind of biological filtering tower combined working for denitrogenation according to claim 1, is characterized in that: between the bottom of described gripper shoe and the inwall of described tower body, be provided with set square, described set square adopts stainless steel material.
4. a kind of biological filtering tower combined working for denitrogenation according to claim 1, is characterized in that: the sidewall of described filter is circular arc concave inward structure.
5. a kind of biological filtering tower combined working for denitrogenation according to claim 1, it is characterized in that: described aerator comprises mass flowmenter and gas surge flask, described mass flowmenter is communicated with extraneous source of the gas, described mass flowmenter is communicated with described gas buffer bottle, and described gas buffer bottle is communicated with the bottom of described tower body.
6. a kind of biological filtering tower combined working for denitrogenation according to claim 1, is characterized in that: described woven hose is provided with control valve, and described control valve is located between described shower and described measuring pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209888.5U CN203874665U (en) | 2014-04-25 | 2014-04-25 | Biological filter tower for denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209888.5U CN203874665U (en) | 2014-04-25 | 2014-04-25 | Biological filter tower for denitrification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203874665U true CN203874665U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209888.5U Expired - Fee Related CN203874665U (en) | 2014-04-25 | 2014-04-25 | Biological filter tower for denitrification |
Country Status (1)
| Country | Link |
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| CN (1) | CN203874665U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621777A (en) * | 2016-12-30 | 2017-05-10 | 天津滨港电镀企业管理有限公司 | Large heat insulation waste gas tower |
| CN106976960A (en) * | 2017-04-21 | 2017-07-25 | 徐州工程学院 | A kind of tower biological filter for Treating Municipal Sewage |
| CN109455817A (en) * | 2018-12-25 | 2019-03-12 | 江西省科学院 | A kind of layering jet aeration tower biological denitrogenation dephosphorizing reactor |
| CN112191096A (en) * | 2020-08-17 | 2021-01-08 | 东南大学 | Ammonia spraying device and ammonia spraying mixing device suitable for SCR denitration |
-
2014
- 2014-04-25 CN CN201420209888.5U patent/CN203874665U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621777A (en) * | 2016-12-30 | 2017-05-10 | 天津滨港电镀企业管理有限公司 | Large heat insulation waste gas tower |
| CN106976960A (en) * | 2017-04-21 | 2017-07-25 | 徐州工程学院 | A kind of tower biological filter for Treating Municipal Sewage |
| CN109455817A (en) * | 2018-12-25 | 2019-03-12 | 江西省科学院 | A kind of layering jet aeration tower biological denitrogenation dephosphorizing reactor |
| CN109455817B (en) * | 2018-12-25 | 2019-07-19 | 江西省科学院 | A kind of layering jet aeration tower biological denitrogenation dephosphorizing reactor |
| CN112191096A (en) * | 2020-08-17 | 2021-01-08 | 东南大学 | Ammonia spraying device and ammonia spraying mixing device suitable for SCR denitration |
| CN112191096B (en) * | 2020-08-17 | 2022-08-12 | 东南大学 | Ammonia spraying device and ammonia spraying mixing device suitable for SCR denitration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160425 |