CN208071544U - A kind of railway communication system production wastewater treatment system - Google Patents

A kind of railway communication system production wastewater treatment system Download PDF

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Publication number
CN208071544U
CN208071544U CN201820359032.4U CN201820359032U CN208071544U CN 208071544 U CN208071544 U CN 208071544U CN 201820359032 U CN201820359032 U CN 201820359032U CN 208071544 U CN208071544 U CN 208071544U
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CN
China
Prior art keywords
pond
pool
membrane
sludge
wastewater treatment
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Expired - Fee Related
Application number
CN201820359032.4U
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Chinese (zh)
Inventor
张传亮
张志勃
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Tianjin Banksun Purifying Equipments Engineering Co Ltd
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Tianjin Banksun Purifying Equipments Engineering Co Ltd
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Priority to CN201820359032.4U priority Critical patent/CN208071544U/en
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Abstract

The utility model discloses a kind of railway communication system production wastewater treatment system, pond body with monolithic construction, the pond body include flowing to the collecting-tank with grille well set gradually, regulating reservoir, hydrolysis acidification pool, contact-oxidation pool, the UF membrane pond for being built-in with membrane separation assemblies, advanced oxidation pond, intermediate pool, sludge-tank, clear water reserviors by sewage disposal;The bottom of pond of the regulating reservoir has aeration stirrer, the hydrolysis acidification pool has filler with contact-oxidation pool, aerator is arranged at the bottom in the contact-oxidation pool and UF membrane pond, water distributor is arranged at the bottom of the hydrolysis acidification pool, the ozone discharge tube of the bottom arrangement in the advanced oxidation pond is connect through ozone feed-line with ozone generator, and the intermediate pool is connected through biological activated carbon adsorption plant with clear water reserviors.The utility model can be realized to reaching discharge standard after railway communication system production wastewater treatment.

Description

A kind of railway communication system production wastewater treatment system
Technical field
The utility model is related to technical field of waste water processing, and in particular to a kind of railway communication system production wastewater treatment system System.
Background technology
In recent years, with the fast development of China's economy and science and technology, high ferro trip gradually becomes mainstream trip mode, with High ferro trip crowd increases, for bullet train demand with regard to increasing, and the communication system mating with bullet train Demand is increasing, this results in the waste water yield of the producer of railway communication system increasing, railway communication Waste water caused by system production, has that water is big, change of water quality is big, complicated component and toxic, and direct emission can make environment At significant damage.For environmental protection, water resource is saved, it is necessary to be handled.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of railway communication system Production wastewater treatment system.
Technical solution is used by realize the purpose of this utility model:
A kind of railway communication system production wastewater treatment system, the pond body with monolithic construction, the pond body include pressing Sewage disposal flows to the collecting-tank with grille well set gradually, regulating reservoir, hydrolysis acidification pool, contact-oxidation pool, is built-in with The UF membrane pond of membrane separation assemblies, advanced oxidation pond, intermediate pool, sludge-tank, clear water reserviors;The bottom of pond of the regulating reservoir has aeration Agitating device, the hydrolysis acidification pool and contact-oxidation pool have a filler, and exposure is arranged at the bottom in the contact-oxidation pool and UF membrane pond Water distributor is arranged at the bottom of device of air, the hydrolysis acidification pool, and the ozone discharge tube of the bottom arrangement in the advanced oxidation pond is through smelly Oxygen feed-line is connect with ozone generator, and the intermediate pool is connected through biological activated carbon adsorption plant with clear water reserviors.
The outlet of sewer of the membrane separation assemblies is connect through self priming pump with advanced oxidation pond and anti-clear with membrane separation assemblies The one end for washing pipeline is connected, and has accurate filter on the anti-cleaning pipeline of the membrane separation assemblies;The membrane separation assemblies The other end of anti-cleaning pipeline is extend into clear water reserviors.
The anti-cleaning pipeline of the biological activated carbon adsorption plant connection biological activated carbon adsorption plant, the bioactivity One end of the anti-cleaning pipeline of charcoal adsorption plant is extend into clear water reserviors, and the other end is extend into sludge-tank.
The aeration stirrer and aerator are connected respectively to independent air blower.
The UF membrane pond is connected with sludge-tank, hydrolysis acidification pool by sludge pipeline.
The utility model is by using grid+hydrolysis acidification+catalytic oxidation+film process+advanced oxidation+biological activated carbon mistake Filtering method reaches discharge standard after being handled.
Description of the drawings
Fig. 1 is the principle schematic of railway communication system production wastewater treatment system;
Fig. 2 is the system construction drawing of railway communication system production wastewater treatment system.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Shown in Fig. 1-2, a kind of railway communication system production wastewater treatment system, the pond body with monolithic construction, The pond body includes flowing to the collecting-tank 1 with grille well 10, regulating reservoir 2, the hydrolysis acidification pool set gradually by sewage disposal 3, contact-oxidation pool 4, the UF membrane pond 5 for being built-in with membrane separation assemblies 52, advanced oxidation pond 6, intermediate pool 7, sludge-tank 8, clear Pond 9;The bottom of pond of the regulating reservoir has aeration stirrer 22, the hydrolysis acidification pool to have filler 32, institute with contact-oxidation pool Aerator, including contact-oxidation pool aerator 42, UF membrane pond aeration are arranged at the bottom for stating contact-oxidation pool and UF membrane pond Water distributor 31 is arranged at the bottom of device 50, the hydrolysis acidification pool, is connected with sewage pipeline 21, the bottom in the advanced oxidation pond The ozone discharge tube 71 of arrangement is connect through ozone feed-line with ozone generator 72, and the intermediate pool is inhaled through biological activated carbon The water pipeline 93 of applying equipment 81 and connection biological activated carbon adsorption plant 81 is connected with clear water reserviors, and water pipeline 93 is by intermediate pool In water be sent in biological activated carbon adsorption plant 81 after adsorption treatment, be discharged in the clear water reserviors, the collecting-tank with adjust Section pond is connected by sewage pipe 11, and the water in collecting-tank is sent in regulating reservoir by realization.
Wherein, the outlet of sewer of the membrane separation assemblies 52 is connect through self priming pump 53 with advanced oxidation pond, and and UF membrane One end of the anti-cleaning pipeline 90 of component is connected, and has accurate filter 91 on the anti-cleaning pipeline of the membrane separation assemblies;Institute The other end for stating the anti-cleaning pipeline of membrane separation assemblies is extend into clear water reserviors.
Wherein, the biological activated carbon adsorption plant 81 connects the anti-cleaning pipeline 92 of biological activated carbon adsorption plant, institute The one end for stating the anti-cleaning pipeline of biological activated carbon adsorption plant is extend into clear water reserviors, and the other end is extend into sludge-tank.
Wherein, the aeration stirrer and aerator are connected respectively to independent air blower, such as aeration stirrer Air blower 23 is connected, and aerator connects air blower 44 spare each other by being aerated pipeline 43.
Wherein, the UF membrane pond is connected with sludge-tank, hydrolysis acidification pool by sludge pipeline 51, is made most Sludge is sent to sludge-tank, and partial sludge returns to hydrolysis acidification pool use.
Sewage attribute:Wastewater treatment facility water inlet is plant area's product cleaning of rail industry communication system manufacturing enterprise, staff The waste water that personnel's daily life generates, taste, CODcr, SS isoconcentration of sewage are higher.
Sewage Disposal Inlet and outlet water water quality is as shown in table 1, unit:Mg/l (except pH)
PH 6.5-7.5
COD 500
BOD 300
SS ≤100
Ammonia nitrogen 50
Table 1
Sewage is discharged the five class water quality standards for executing and being discharged and indicating with reaching in water standard, unit after processing: mg/l (except pH).
Pollutant Sewage treatment facility floss hole
COD 40
BOD 10
Ammonia nitrogen 2
PH 6-9
Table 2
Each function module of the utility model is described as follows below:
Grille well:
Grille well can retain larger suspended matter and floating material in removal waste water by its grid, prevent from blocking pipeline And the pump housing, ensure follow-up structures, equipment normal operation.
Regulating reservoir
Waste water enters regulating reservoir, carries out the adjusting of waste water water and uniform, the reduction peak load of water quality.Waste water water and Water quality has larger difference and variation in different time, to make pipeline and follow-up structures work normally, not by the height of waste water The influence of peak flow and concentration, is provided with regulating reservoir, and the high concentration of discharge and the water of low concentration are uniformly mixed, ensure waste water into Enter postorder structures water quality and water relatively to stablize, is convenient for the stabilization of biological treatment.And conducive to the body of reduction processing structures Product and expense of reducing investment outlay.
Hydrolysis acidification pool
Hydrolysis acidification pool, the interior setting elastic filler under anaerobic environment, elevator pump water outlet enter anoxic pond, avoid largely outstanding Float and non-biochemical substance enter aerobic tank, increase the load of aerobic tank, remove a large amount of suspended matters and non-biochemical in waste water Substance, while using dirty Organic substance in water as the carbon energy, denitrification denitrogenation is carried out to nitrate, organic matter obtains initial breakdown. The underwater water distributor of setting in hydrolysis acidification pool ensures in pond dissolved oxygen concentration in 0.5mg/L hereinafter, solid matter is degraded to dissolving Property substance, macromolecular substances are degraded to small-molecule substance.Sewage is risen slowly by bottom of pond water distribution, makes to keep certain anoxic in pond Sludge concentration, when the sludge blanket that sewage is formed through bacterium, sludge adsorbs suspended matter, net is caught, bioflocculation, biodegradation Effect, makes sewage also be clarified while degrading COD.Hydraulic detention time is short, efficient.COD, BOD removal rate are reachable 20%, 30%, while there is very strong anti-load impact ability.Contact-oxidation pool and the recirculation water in UF membrane pond are mixed into simultaneously Enter hydrolysis acidification pool, maintain anaerobic condition, avoid the generation of anaerobic state, the sewage handled by aerobic nitrification is in anoxic In pond by the denitrification of anaerobic bacteria flora by the mineralized nitrogen in water be nitrogen, be released into air, to reach removal ammonia The effect of nitrogen.
Contact-oxidation pool
Body operation unit of the contact-oxidation pool as this technique, by pond body, four part group of filler, water distribution and gas distribution system At.Using dwelling, the raw biomembrane on filler surface acts on, and achievees the purpose that purified water.Biomembrane is by zoogloea, der Pilz, true Bacterium, protozoan and metazoa composition.The formation of biomembrane growth, is proliferated, falls off alternately, ensures stable processing Ability.Water after hydrolysis acidification flows automatically to contact chamber and carries out biochemical treatment.Contact-oxidation pool points 2 grades, filler is honeycomb, semi-soft Composite filling, easy conjunctiva, does not block balling.Contact chamber gas-water ratio is 15:1 or so.Sewage is contacted with filler, and microorganism is attached to On filler, the organic matter in water is purified the sewage by microorganism adsorption, oxygenolysis.The technique direct gas distribution under filler, Biomembrane is directly stirred by air-flow, and the update of biomembrane is accelerated, and so that it is often kept higher activity, and can prevent Only clogging.This process ability is big, COD removal rates up to 70~80%, BOD removal rates up to 80% or more, sludge Generation rate is 0.2~0.4Kg dewatered sludges/removal 1KgCOD.It not will produce sludge bulking in operation, can ensure effluent quality Stablize, is not necessarily to sludge reflux.The advantages of both activated sludge process and biofilm are had concurrently due to the technique:Purification efficiency is high, locates It is short, adaptable to the variation for organic loading of intaking to manage the time, is easy to conjunctiva, is not easy to plug and balling, and can reduce disposable Investment, floor space and operating cost.More popularization and application are obtained in engineering.
UF membrane pond (i.e. film separation reaction pond or MBR film separation reactions pond)
UF membrane pond is the New Wastewater Treatment Technology art that membrane separation technique is organically combined with biotechnology, and also referred to as UF membrane is lived Property sludge.It using membrane separation plant by biochemical reaction tank activated sludge and larger molecular organics matter retain, waterpower Residence time (HRT) and sludge retention time (SRT) can control respectively, and substance difficult to degrade is constantly anti-in the reactor It answers, degrade.On the one hand, film has retained the microorganism in reaction tank, so that the activated sludge concentration in separate tank is greatly increased, makes drop The biochemical reaction of solution sewage is proceeded more quickly more thoroughly, on the other hand, due to the high filtering precision of film, ensure that water outlet is limpid It is transparent to save secondary settling tank.Therefore, film-bioreactor technique enhances bioreactor significantly by membrane separation technique Function.Compared with traditional biological processing method, there is strong biochemical efficiency height, anti-load impact ability, stable effluent quality, occupation of land The advantages that area is small, sludge discharging period is long, easy realization automatically controls is one of current most promising New Wastewater Treatment Technique.Film Separate tank can be efficiently separated by solid-liquid separation, and separating effect is much better than traditional sedimentation basin, and effluent quality is good, goes out aqueous suspension Object and turbidity close to zero, can direct reuse, realize sewage recycling.The efficient crown_interception of film, makes microorganism cut completely It stays in reactor, realizes being kept completely separate for reactor hydraulic detention time (HRT) and sludge age (SRT), make operation control More flexible stabilization.Microorganism concn in film separation reaction pond is high, can reach 2~3 times of conventional activated sludge method, load resistance Impact, is conducive to the retention, growth and breeding that are proliferated slow nitrobacteria, the nitrification efficiency of system is improved, operation side The control of formula also has the function of denitrogenation and dephosphorization.Sludge age is long, and the ingredient that UF membrane keeps the macromolecular of sewage difficult to degrade has in volume There are enough residence times in the bioreactor of limit, substantially increases hardly degraded organic substance degradation efficiency.Reactor is in Gao Rong It is run under product load, low sludge loading, long sludge age, basic discharged without residual mud may be implemented.System can realize full-automation Control.Floor space is small, and process equipment is concentrated.
Advanced oxidation pond
Ozone is generated by ozone generator, the strong virus of chlorine resistance and gemma can be killed as oxidant, use effect Fruit is good, and operating cost is low, and equipment investment is higher, safeguards simply, without secondary pollution.Ozone generator is the water process the advantages of:
1. ozone is excellent oxidant, the strong virus of chlorine resistance and gemma can be killed;
2. ozonization is influenced smaller by pH value of sewage water and temperature;
3. ozone can remove color in sewage, smell, the pollutants such as taste and phenol chlorine, increases the dissolved oxygen in water, improve water Matter;
4. ozone can decompose the organic matter of difficult for biological degradation and three and cause substance, the biodegradability of sewage is improved;
It, will not the secondary pollution caused by residual 5. ozone easily decomposes in water.
Intermediate pool
Sewage after ozone Oxidation Treatment enters intermediate pool, and certain cushioning effect is played to subsequent processing.In Between set force (forcing) pump behind pond water be promoted to biological activated carbon adsorption plant and carry out adsorption treatment.
Biological activated carbon adsorption plant
Using the filtering container of glass carbon steel tank body, pressure-resistant 0.6MPa.Built-in rodlike activated carbon, each active carbon particle have Many pores are interconnected, large specific surface area.It is acted on by the distinctive physical absorption of activated carbon and electrostatic attraction.It goes in water removal Pigment, peculiar smell and humic acid, the organic matters such as lignosulfonic acid, and 60% or so colloidal substance, 40% or so in water can be reduced Organic matter.Biologic active carbon filtration equipment is run after a certain period of time, and the adsorption capacity of carbon leaching material is saturated, and needs to carry out Instead, the sequence of operations such as positive flushing.Being desorbed by adsorbate in capillary pore on active carbon particle is set to be discharged.
Sludge-tank
All sludge in UF membrane pond, which are drained into through sludge pump in sludge-tank, to be digested, is concentrated, excess sludge after concentration Periodically suction, the supernatant of sludge-tank flow back into regulating reservoir.
Clear water reserviors
The clear water of biological activated carbon adsorption plant discharge is received, then by adding medicament so that medicament occurs with clear water Reaction, further degradation of contaminant achieve the purpose that qualified discharge, store Sewage Disposal water outlet up to standard.
The utility model has the characteristics that:
1. carrying out pre-treatment to waste water using grille well, solid matter is isolated, guarantee is provided for subsequent processing.
2. with biochemical process removal most COD, ammonia nitrogen and phosphorus, while floor space is few, can reduce operating cost.
3. instead of precipitation and filtering technique in the way of film process, treatment effeciency is high, the small the degree of automation of floor space It is high.
4. utilizing ozone oxidation advanced treating, not only further degradation of contaminant, can also carry out sterilization processing, it is ensured that go out Water meets discharge standard, and floor space is small, and high degree of automation is easy to operate.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims (5)

1. a kind of railway communication system production wastewater treatment system, which is characterized in that the pond body with monolithic construction, the pond Body includes flowing to the collecting-tank with grille well, regulating reservoir, hydrolysis acidification pool, the catalytic oxidation set gradually by sewage disposal Pond, the UF membrane pond for being built-in with membrane separation assemblies, advanced oxidation pond, intermediate pool, sludge-tank, clear water reserviors;The regulating reservoir Bottom of pond has aeration stirrer, the hydrolysis acidification pool to have filler, the contact-oxidation pool and UF membrane pond with contact-oxidation pool Bottom have an aerator, water distributor, the ozone of the bottom arrangement in the advanced oxidation pond are arranged at the bottom of the hydrolysis acidification pool Delivery pipe is connect through ozone feed-line with ozone generator, and the intermediate pool is through biological activated carbon adsorption plant and clear water reserviors It is connected.
2. railway communication system production wastewater treatment system according to claim 1, which is characterized in that the UF membrane group The outlet of sewer of part connect with advanced oxidation pond through self priming pump and is connected with one end of the anti-cleaning pipeline of membrane separation assemblies, institute Stating on the anti-cleaning pipeline of membrane separation assemblies has accurate filter;The other end of the anti-cleaning pipeline of the membrane separation assemblies stretches into Into clear water reserviors.
3. railway communication system production wastewater treatment system according to claim 1, which is characterized in that the bioactivity Charcoal adsorption plant connects the anti-cleaning pipeline of biological activated carbon adsorption plant, the anti-cleaning pipe of the biological activated carbon adsorption plant One end of line is extend into clear water reserviors, and the other end is extend into sludge-tank.
4. railway communication system production wastewater treatment system according to claim 1, which is characterized in that the aeration agitation Device and aerator are connected respectively to independent air blower.
5. railway communication system production wastewater treatment system according to claim 1, which is characterized in that the UF membrane Pond is connected with sludge-tank, hydrolysis acidification pool by sludge pipeline.
CN201820359032.4U 2018-03-16 2018-03-16 A kind of railway communication system production wastewater treatment system Expired - Fee Related CN208071544U (en)

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Application Number Priority Date Filing Date Title
CN201820359032.4U CN208071544U (en) 2018-03-16 2018-03-16 A kind of railway communication system production wastewater treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820359032.4U CN208071544U (en) 2018-03-16 2018-03-16 A kind of railway communication system production wastewater treatment system

Publications (1)

Publication Number Publication Date
CN208071544U true CN208071544U (en) 2018-11-09

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ID=64047270

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Granted publication date: 20181109

Termination date: 20190316