CN205953803U - Sludge harmlessness resource is made up and is put - Google Patents

Abstract

The utility model provides a sludge harmlessness resource is made up and is put which characterized in that: include and take off aerobic fermentation system and the pyrolysis and carbonization system that water pollution mud feed inlet links to each other, the aerobic fermentation system include and take off the consecutive first auger conveyor of water pollution mud feed inlet, blending bunker, fermentation storehouse, the pyrolysis and carbonization system include and take off water pollution mud feed inlet consecutive second auger conveyor, drying -machine, conveyer belt and retort, the retort connect gradually draught fan and hot -blast furnace through the pipeline. The device, the beneficial effect who has is: sludge harmlessness, minimizing are thorough, do not have the landfill, do not burn the shortcoming of technology, do not produce secondary pollution, resource recycling, changing waste into valuables, product have mud charcoal, fertilizer, and the integrated equipment science is high -efficient, and the operation maintenance is simple and convenient, not only are suitable for life mud, are suitable for general industrial sludge moreover and handle, combustible gas circulation retrieval and utilization reduces pollutant discharge, and the energy saving reduces the running cost.

Description

Sewage sludge harmlessness recycling unit

Technical field

This utility model is related to field of sludge treatment, particularly to a kind of sewage sludge harmlessness recycling unit.

Background technology

Considerable toxic organicses, parasitic ovum, pathogenic microorganism, antibacterial and a huge sum of money is often contained in mud Belong to ion etc., if mishandling, secondary pollution will be caused to surrounding.Mud yield is big, typically about processes water volume 0.5%～1.0% about, the Treatment of Sludge of most countries more using burning, landfill, compost and throw the practicality sides such as sea Method.The technology and equipment of burning method is complicated, power consumption greatly, costly, and has atmosphere polluting problem；Landfill method is subject to land used Limit, waste land resource, be difficult to find suitable place；Throw sea meeting Marine Pollution, to marine ecosystems and human foods Chain has resulted in threat.

Along with the raising of people's environmental consciousness, the demand of sludge treatment is increasing, according to domestic practical situation, urgently Need to find a kind of sewage sludge harmlessness resource（Containing carbonization）Using complex technique so as to can effectively realize sludge reduction, Innoxious, stabilisation and resource.

Content of the invention

For the problems referred to above, the purpose of this utility model be provide one kind can make mud realize minimizing, innoxious, Resource and the sewage sludge harmlessness recycling unit turned waste into wealth.

For reaching above-mentioned purpose, the technical scheme that this utility model is proposed is：Sewage sludge harmlessness recycling unit, it is special Levy and be：Including the aerobic fermentation system being connected with dewatered sludge charging aperture and pyrolysis charring system；Described aerobic fermentation system The first spiral conveyer that system includes being sequentially connected with dewatered sludge charging aperture, blending bunker, fermentation cabin；Described pyrolysis charring System includes the second spiral conveyer, dehydrator, conveyer belt and the retort being sequentially connected with dewatered sludge charging aperture；Described Retort air-introduced machine and air stove are sequentially connected by pipeline.

Preferably, described blending bunker is provided with a conditioner adding set.

Preferably, the bottom of described fermentation cabin is additionally provided with aerated conduit, described aerobic fermentation system also include located at Control system outside fermentation cabin, aerator, electrodynamic valve, described control system is sequentially connected aerator, electrodynamic valve and aeration Pipeline；It is provided with sensor, described sensor connection control system in described fermentation cabin.

Preferably, described sensor includes temperature sensor and oxygen-containing quantity sensor.

Preferably, described retort is provided with heavy metals immobilization agent adding set.

Preferably, described retort is connected with a fuel gas reuse pipeline, described fuel gas reuse pipeline Connect air stove.

Preferably, described dehydrator is roller dryer.

Using technique scheme, sewage sludge harmlessness recycling unit described in the utility model, have the advantage that For：

1) sewage sludge harmlessness, thorough reduction, does not have landfill, the shortcoming of burning process, does not produce secondary pollution；

2) resource recycling, turns waste into wealth, and product has sludge carbon, fertilizer, of many uses, creates new economic benefit And environmental benefit；

3) complexes scientific and efficient, operation maintenance is easy, is not only suitable for domestic sludge, and is suitable for general industry mud Process；

4) fuel gas circulating and recovering, reduces disposal of pollutants, energy saving simultaneously, reduces operating cost.

Brief description

Fig. 1 is sewage sludge harmlessness recycling unit structural representation described in the utility model.

Fig. 2 is sewage sludge harmlessness recycling treatment flow chart described in the utility model.

Specific embodiment

With reference to the accompanying drawings and detailed description, this utility model is described further.

As shown in figure 1, sewage sludge harmlessness recycling unit described in the utility model includes and dewatered sludge charging aperture phase Aerobic fermentation system 10 even and pyrolysis charring system 20, specifically：

Aerobic fermentation system 10 includes the first spiral conveyer 101, the batch mixing being sequentially connected with dewatered sludge charging aperture Storehouse 102, fermentation cabin 104；Blending bunker 102 is provided with a conditioner adding set 103；The bottom of fermentation cabin 104 is additionally provided with aeration Pipeline 110, described aerobic fermentation system 10 also includes control system 106 outside located at fermentation cabin, aerator 107, electronic Valve 108, described control system 106 is sequentially connected aerator 107, electrodynamic valve 108 and aerated conduit 110；Described fermentation cabin It is provided with sensor 109 and turner 105 in 104, described sensor 109 connection control system 106, sensor 109 includes temperature Degree sensor and oxygen-containing quantity sensor etc.；

Pyrolysis charring system 20 includes the second spiral conveyer 201, the drying being sequentially connected with dewatered sludge charging aperture Machine 202（Preferably roller dryer）, conveyer belt 203 and retort 204；Described retort 204 is sequentially connected by pipeline Air-introduced machine 206 and air stove 207；Retort 204 is provided with heavy metals immobilization agent adding set 205；It is connected with retort 204 One fuel gas reuse pipeline 208, described fuel gas reuse pipeline 208 connects air stove 207.

When specifically used, as shown in Fig. 2 sewage sludge harmlessness recycling unit described in the utility model is used for processing mud Process be：

As needed, dewatered sludge enters aerobic fermentation system or pyrolysis charring system by charging aperture；

First, enter the mud of aerobic fermentation system：

1）First in blending bunker, by conditioner adding set add a certain proportion of enter the conditioner such as wood flour, Caulis et Folium Oryzae, enter Row stirring mixing；

2）Subsequently enter fermentation cabin, through ventilation, turn over throwing etc., microbiologic population is carried out to gas chromatography under aerobic environment Oxidation Decomposition is simultaneously converted into the higher humic-like substance of stability, and metabolite is mainly carbon dioxide, water and heat；

3）Microorganism creates substantial amounts of heat during aerobic sigestion, and these thermogenetic high temperature effectively kill cause of disease Bacterium and various worm egg, reduce moisture content；Conditioner can improve the colloid crumb structure of mud, and volatile ingredient reduces, stink Reduce, heavy metal bio-available Zn concentration reduces, nutritional labeling increases, form the fertilizer rich in elements such as N P and K；

4）Final products are used for afforestation and apply fertilizer；

2nd, enter the mud of pyrolysis charring system：

1）Initially enter sludge dryer, high temperature mummification（200℃-300℃）The mud of moisture content 80% about can be dried To moisture content 30% about, realize the minimizing of mud, reduce the heavy burdens for follow-up pyrolysis charring, save time and operating cost；

2）Mud after mummification carries out pyrolysis charring through tape transport to retort, mud, and furnace high-temperature can effectively kill Dead pathogen and various worm egg, poisonous and harmful substance of degrading, heavy metal is added by heavy metals immobilization agent adding set simultaneously Firming agent, effectively reduces content of beary metal；Temperature there are about 75% Organic substance when reaching 500 DEG C resolves into water, carbon dioxide, and one Carbonoxide, is warmed to when 800 DEG C and produces carbonization gas and carbide；

3）Carbonization gas during pyrolysis charring lead to air stove by air-introduced machine, add the auxiliary fuels such as kerosene, carry out Burn completely, the heat of generation delivers to retort by reuse pipeline, heat mud, resource circulation utilization, reduce energy cost；

4）Final products are sludge carbon, mainly as adsorbent, are back to sewage disposal process, and absorption property is good, Can be of many uses as soil conditioner, fuel etc..

Although specifically show and describe this utility model in conjunction with preferred embodiment, those skilled in the art should This is understood, in the spirit and scope of the present utility model being limited without departing from appended claims, in form and details On this utility model is made a variety of changes, be protection domain of the present utility model.

Claims (7)

1. sewage sludge harmlessness recycling unit it is characterised in that：Including the aerobic fermentation system being connected with dewatered sludge charging aperture With pyrolysis charring system；Described aerobic fermentation system includes the first auger conveying dress being sequentially connected with dewatered sludge charging aperture Put, blending bunker, fermentation cabin；Described pyrolysis charring system includes the second auger conveying being sequentially connected with dewatered sludge charging aperture Device, dehydrator, conveyer belt and retort；Described retort is sequentially connected air-introduced machine and air stove by pipeline.

2. sewage sludge harmlessness recycling unit according to claim 1 it is characterised in that：Described blending bunker is provided with one Conditioner adding set.

3. sewage sludge harmlessness recycling unit according to claim 1 it is characterised in that：The bottom of described fermentation cabin is also It is provided with aerated conduit, described aerobic fermentation system also includes control system outside located at fermentation cabin, aerator, electrodynamic valve, Described control system is sequentially connected aerator, electrodynamic valve and aerated conduit；It is provided with sensor in described fermentation cabin, described Sensor connection control system.

4. sewage sludge harmlessness recycling unit according to claim 3 it is characterised in that：Described sensor includes temperature Sensor and oxygen-containing quantity sensor.

5. sewage sludge harmlessness recycling unit according to claim 1 it is characterised in that：Described retort is provided with weight Metal-cured dose of adding set.

6. sewage sludge harmlessness recycling unit according to claim 1 it is characterised in that：It is connected with described retort One fuel gas reuse pipeline, described fuel gas reuse pipeline connects air stove.

7. sewage sludge harmlessness recycling unit according to claim 1 it is characterised in that：Described dehydrator is drum-type Dehydrator.