CN104773934A - Sludge dry distillation carbonization device - Google Patents
Sludge dry distillation carbonization device Download PDFInfo
- Publication number
- CN104773934A CN104773934A CN201510195903.4A CN201510195903A CN104773934A CN 104773934 A CN104773934 A CN 104773934A CN 201510195903 A CN201510195903 A CN 201510195903A CN 104773934 A CN104773934 A CN 104773934A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas
- sludge
- still
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge dry distillation carbonization device which is characterized by comprising a sludge preprocessing unit, a drying and deoxidizing unit, a dry distillation and cracking unit and an oil-gas-water separating unit, wherein the sludge preprocessing unit is composed of a sludge dewatering part, a sludge treatment part, a blending tank and a charging tank; the drying and deoxidizing unit is composed of a ring kiln drying kettle, a tail gas purifying part and a drying and deoxidizing kettle; the dry distillation and cracking unit is composed of a pre-cracking kettle, a final cracking kettle and a carbon slag tank; and the oil-gas-water separating unit is used for separating combustible gas and light oil from oil and gas cracked by the pre-cracking kettle and the final cracking kettle by virtue of a separator, and the combustible gas and the light oil are stored in a gasometer and an oil tank. Compared with the prior art, the carbonization device disclosed by the invention is low in treatment cost and free from secondary pollution; heat energy for the innocent treatment of sludge comes from combustible gas generated by cracking a sludge mixture, and the heat energy is self-balanced without the consumption of an external heat source; and especially, dioxin, heavy metal ions and other pollutants are not generated from the sludge treatment.
Description
Technical field
The present invention relates to sludge treatment device technical field, specifically a kind of mud dry distillation charring treatment unit.
Background technology
Along with China's level of urbanization improves constantly, sewage treatment facility construction obtains high speed development, according to " " 12 " national urban wastewater treatment and the planning of regeneration Facilities Construction ", current wastewater treatment in China ability is 12,4760000 ton per days, to rise to 17 by 2015,0,450,000 ton per days, the average operating load rate of national sewage disposal device is about 84% simultaneously.Therefore by 2015, China's sludge yield will reach 12.8 ten thousand ton per days (moisture 80%), and sludge treatment situation is very severe.Because China's Sewage Plant is in process of construction, for a long time " the light mud of heavy water ", China's urban wastewater treatment firm achieves the preliminary minimizing of mud substantially, but the stabilization treatment of unrealized mud.According to statistics, about 80% Sewage Plant has the thickening facility of mud, reaches minimizing to a certain degree; About there is the mud of 80% without stabilization treatment, land is transferred to containing pollutents such as repugnant substance, pathogenic agent, persistent organisms from sewage in mud, cause pollutent to spread further, make the environment building up the large sewage treatment facility put into operation reduce discharging benefit and have a greatly reduced quality.
At present, the disposal landfill of mud accounts for 63.0%, sludge aerobic fermentation+agricultural accounts for 13.5%, mud nature mummification comprehensive utilization accounts for 5.4%, sludge incineration accounts for 1.8%, mud air storage and outward transport respectively account for 1.8% and 14.4%.And the mud overwhelming majority of landfill, air storage and outward transport belongs to random disposal, the ratio really realizing safe disposal is no more than 20%, mud easily causes the secondary pollution of environment without the direct landfill of harmless treatment, and mud is transported or landfill needs place.To take burning as the method for sludge treatment of core be one of method for sludge treatment the most thoroughly, it can make the whole carbonization of organism, kills pathogenic agent, sludge volume can be reduced to greatest extent, after burning disposal, its volume can reduce 85% ~ 95%, Mass lost 70% ~ 80%.But its shortcoming is treatment facility, and investment is large, and energy consumption, processing costs and cost of equipment maintenance are all higher, and produces strong carcinogen dioxin and heavy metal ion, contaminate environment.
Existing method for sludge treatment can not adapt to and meet the demand of the modern life to environment and resources recycle, this act of disposition that this number hundreds of thousands of ton mud " burning " heaven and " rotten " will be entered ground every year, the huge Environmental costs that made human society pay, especially the foul smell that causes of Sludge landfill and sewage are to the pollution of environment.Worsen at global climate and jeopardize today of human survival and development, changing the disposal options of organic sludge, active development and development new technology, become resource by organic sludge and become the task of top priority.
Summary of the invention
The object of the invention is a kind of mud dry distillation charring treatment unit designed for the deficiencies in the prior art, dry distillation charring technology is adopted to carry out harmless treatment to mud, be micromolecular cracked oil by the organism macromole dry distillation charring in mud mixture, the energy substance of combustible gas and breeze powder, becoming organic sludge is valuable primary energy or industrial chemicals, the combustible gas produced in cracking mud mixture that dry distillation charring institute heat requirement is come, combustion gas more than needed can for generating, processing cost is low, technical process is short, level of automation is high, facility investment is few, checking maintenance is easy, production process is safe and reliable, environment is clean and tidy, especially sludge handling process does not produce the pollutent such as dioxin and heavy metal ion, to environment non-secondary pollution, preferably resolve the problem of environmental pollution of mud.
The object of the present invention is achieved like this: a kind of mud dry distillation charring treatment unit, be characterized in that this treatment unit comprises sludge pretreatment unit, dry deoxygenation unit, carbonization decomposition unit and oil and gas and water from unit, described sludge pretreatment unit is made up of sludge dewatering equipment, waste disposal plant, mixing tank and high-order feed pot, the sludge outlet of sludge dewatering equipment is connected with mixing tank opening for feed, its sewage outlet is connected with waste disposal plant water-in, and mixing tank discharge port is connected with high-order feed pot opening for feed; Described dry deoxygenation unit is made up of rotary kiln drying kettle, exhaust purifier and dry deoxygenation still, and the charging and discharging mouth of rotary kiln drying kettle is connected with high-order feed pot discharge port and dry deoxygenation still opening for feed respectively, and rotary kiln drying kettle venting port is connected with exhaust purifier; Described carbonization decomposition unit is made up of pre-cracking still, whole cracking still and breeze powder holding tank, and pre-cracking still charging and discharging mouth is connected with dry deoxygenation still discharge port and whole cracking still opening for feed respectively, and whole cracking still discharge port is connected with breeze powder holding tank; Described oil and gas and water is made up of from unit oil-gas separator, oil gas water separator, interchanger and oil tank, oil-gas separator import exports with dry deoxygenation still, pre-cracking still and whole cracking still splitting gas and is connected, the cracked oil that oil-gas separator is separated gentle oil-feed tank and oil gas water separator respectively, oil gas water separator is isolated inflammable gas, lightweight oil, water of condensation and afterheat steam and is entered gas holder, oil tank, waste disposal plant and interchanger respectively.
Described mixing tank is provided with e Foerderanlage to high-order feed pot feeding.
Described dry deoxygenation still, pre-cracking still and whole cracking still are heated by the inflammable gas of gas holder or jet dynamic control.
The pipeline of the cracked oil oil-feed tank of described oil-gas separator is provided with the cracked oil return line be connected with whole cracking still.
Described dry deoxygenation still, pre-cracking still and whole cracking still are the horizontal retort being provided with propulsive mechanism.
It is low that the present invention compared with prior art has processing cost, non-secondary pollution, the combustible gas produced in cracking mud mixture of the heat of sewage sludge harmlessness process, heat self-balancing, does not need to consume external heat source, combustion gas more than needed can for generating, economical and efficient, equipment is few, and checking maintenance is easy, easy-to-operate, especially sludge treatment does not produce the pollutent such as dioxin and heavy metal ion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Accompanying drawings 1, the present invention includes sludge pretreatment unit
, dry deoxygenation unit
, carbonization decomposition unit
with oil and gas and water from unit
.Described sludge pretreatment unit
be made up of sludge dewatering equipment 1, waste disposal plant 2, mixing tank 3 and high-order feed pot 5, the sludge outlet of sludge dewatering equipment 1 is connected with mixing tank 3 opening for feed, its sewage outlet is connected with waste disposal plant 2 water-in, and mixing tank 3 discharge port is connected with high-order feed pot 5 opening for feed.Described dry deoxygenation unit
be made up of rotary kiln drying kettle 8, exhaust purifier 13 and dry deoxygenation still 15, rotary kiln drying kettle 8 charging and discharging mouth is connected with high-order feed pot 5 discharge port and dry deoxygenation still 15 opening for feed respectively, and rotary kiln drying kettle 8 venting port is connected with exhaust purifier 13.Described carbonization decomposition unit
be made up of pre-cracking still 22, whole cracking still 28 and breeze powder holding tank 36, pre-cracking still 22 charging and discharging mouth is connected with dry deoxygenation still 15 discharge port and whole cracking still 28 opening for feed respectively, and whole cracking still 28 discharge port is connected with breeze powder holding tank 36.Described oil and gas and water is from unit
be made up of oil-gas separator 37, oil gas water separator 38, interchanger 39 and oil tank 40, oil-gas separator 37 import exports with dry deoxygenation still 15, pre-cracking still 22 and whole cracking still 28 splitting gas and is connected, the cracked oil that oil-gas separator 37 is separated is gentle enters oil tank 40 and oil gas water separator 38 respectively, and oil gas water separator 38 is isolated inflammable gas, lightweight oil, water of condensation and afterheat steam and entered gas holder 41, oil tank 40, waste disposal plant 2 and interchanger 39 respectively.Described mixing tank 3 is provided with e Foerderanlage 4 to the feeding of high-order feed pot 5.Described dry deoxygenation still 15, pre-cracking still 22 and whole cracking still 28 are for being provided with the horizontal retort of propulsive mechanism.
The present invention is work like this: the mud dewatered through sludge dewatering equipment 1 delivers to mixing tank 3 by pipeline, and the waste water of sludge dewatering equipment 1 enters waste disposal plant 2 and processes rear qualified discharge.Deliver to high-order feed pot 5 by e Foerderanlage 4 after mud or mud mix with additive by mixing tank 3, the mixing sludge in high-order feed pot 5 by control valve to rotary kiln drying kettle 8 charging.Mixing sludge carries out dry deoxygenation by dry deoxygenation still 15 after rotary kiln drying kettle 8 drying, the destructive distillation of dry deoxygenation still 15 goes out a small amount of gas oil-feed gas separating device 37, material after dry deoxygenation enters pre-cracking still 22, and the waste gas of rotary kiln drying kettle 8 enters exhaust purifier 13 and processes rear qualified discharge.Splitting gas after the first cracking of pre-cracking still 22 enters oil-gas separator 37, and its material enters whole cracking still 28 and carries out cracking again, and the splitting gas oil-feed gas separating device 37 after the cracking of whole cracking still 28, its material enters breeze powder holding tank 36.After oil-gas separator 37 is separated, obtain the mixed gas of cracked oil and combustible gas and water vapor from dry deoxygenation still 15, pre-cracking still 22 and whole cracking still 28 splitting gas out, mixed gas enters oil gas water separator 38, and cracked oil then enters oil tank 40.Mixed gas isolates inflammable gas through oil gas water separator 38 and lightweight cracked oil enters gas holder 41 respectively and oil tank 40 stores, and water of condensation enters waste disposal plant 2, and afterheat steam is then recycled by interchanger 39.Described dry deoxygenation still 15, pre-cracking still 22 and whole cracking still 28 are heated by the gas fuel burning of gas holder 41 or jet dynamic control 42 heats, tolerance as gas holder 41 is not enough, the return line that cracked oil is connected with whole cracking still 28 by oil tank 40 enters whole cracking still 28, and the cracked oil refluxed by cracking is heated for production equipment with the inflammable gas obtaining q.s.
The present invention passes through the dry distillation charring to mud mixture under oxygen-free environment, be small molecules cracked oil by the organism macromole dry distillation charring in mud mixture, the energy substance of combustible gas and breeze powder tri-state, whole treating processes does not produce the pollutent such as dioxin and heavy metal ion, to environment non-secondary pollution, the sustainable heat source as production equipment of combustible gas that dry distillation charring produces, combustion gas more than needed can for generating, realize the energy self-balancing of production process, combustible gas is produced personal, cracked oil and breeze powder all can be used as valuable primary energy or industrial chemicals.
More than just the present invention will be further described, and be not used to limit this patent, allly implements for the present invention's equivalence, within the right that all should be contained in this patent.
Claims (5)
1. a mud dry distillation charring treatment unit, it is characterized in that this treatment unit comprises sludge pretreatment unit, dry deoxygenation unit, carbonization decomposition unit and oil and gas and water from unit, described sludge pretreatment unit is made up of sludge dewatering equipment, waste disposal plant, mixing tank and high-order feed pot, the sludge outlet of sludge dewatering equipment is connected with mixing tank opening for feed, its sewage outlet is connected with waste disposal plant water-in, and mixing tank discharge port is connected with high-order feed pot opening for feed; Described dry deoxygenation unit is made up of rotary kiln drying kettle, exhaust purifier and dry deoxygenation still, and rotary kiln drying kettle charging and discharging mouth is connected with high-order feed pot discharge port and dry deoxygenation still opening for feed respectively, and rotary kiln drying kettle venting port is connected with exhaust purifier; Described carbonization decomposition unit is made up of pre-cracking still, whole cracking still and breeze powder holding tank, and pre-cracking still charging and discharging mouth is connected with dry deoxygenation still discharge port and whole cracking still opening for feed respectively, and whole cracking still discharge port is connected with breeze powder holding tank; Described oil and gas and water is made up of from unit oil-gas separator, oil gas water separator, interchanger and oil tank, oil-gas separator import exports with dry deoxygenation still, pre-cracking still and whole cracking still splitting gas and is connected, oil-gas separator) cracked oil that is separated gentle oil-feed tank and oil gas water separator respectively, oil gas water separator is isolated inflammable gas, lightweight oil, water of condensation and afterheat steam and is entered gas holder, oil tank, waste disposal plant and interchanger respectively.
2. mud dry distillation charring treatment unit according to claim 1, is characterized in that described mixing tank is provided with e Foerderanlage to high-order feed pot feeding.
3. mud dry distillation charring treatment unit according to claim 1, is characterized in that described dry deoxygenation still, pre-cracking still and whole cracking still are by gas holder) inflammable gas or jet dynamic control heating.
4. mud dry distillation charring treatment unit according to claim 1, is characterized in that the pipeline of the cracked oil oil-feed tank of described oil-gas separator is provided with the cracked oil return line be connected with whole cracking still.
5. mud dry distillation charring treatment unit according to claim 1 or 3, is characterized in that described dry deoxygenation still, pre-cracking still and whole cracking still are the horizontal retort being provided with propulsive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195903.4A CN104773934A (en) | 2015-04-23 | 2015-04-23 | Sludge dry distillation carbonization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195903.4A CN104773934A (en) | 2015-04-23 | 2015-04-23 | Sludge dry distillation carbonization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104773934A true CN104773934A (en) | 2015-07-15 |
Family
ID=53615752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510195903.4A Pending CN104773934A (en) | 2015-04-23 | 2015-04-23 | Sludge dry distillation carbonization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104773934A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816575A (en) * | 2012-07-24 | 2012-12-12 | 上海清平环保科技有限公司 | Apparatus and process for destructive distillation and cracking of biomass |
-
2015
- 2015-04-23 CN CN201510195903.4A patent/CN104773934A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816575A (en) * | 2012-07-24 | 2012-12-12 | 上海清平环保科技有限公司 | Apparatus and process for destructive distillation and cracking of biomass |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101486563B (en) | Biological haydite burned from mine tailings, and preparation and use method thereof | |
| CN101746941B (en) | Biological drying method for treating dewatered sludge of urban sewage plant | |
| CN105038822B (en) | The cleaning method and device of a kind of sludge | |
| CN104773935A (en) | Treatment process for dry distillation carbonization of sludge | |
| CN103172245B (en) | Method for quick pyrolysis treatment and in situ conversion product utilization of sludge | |
| CN108840544B (en) | Industrial sludge recycling treatment method | |
| CN101948225B (en) | Method for quickly dewatering and effectively removing heavy metals from primary sludge | |
| CN103693805B (en) | Device and method for recycling coal pyrolysis waste | |
| US10472809B2 (en) | System for disposal of waste containing food waste or livestock manure and production of energy and method therefor | |
| CN210176701U (en) | System for municipal sludge deep reduction treatment | |
| CN102432151A (en) | Sludge recycling technique | |
| CN104150743A (en) | Method for preparing sludge carbon by virtue of microwave-assisted hydrothermal carbonization | |
| CN103723899A (en) | Sludge comprehensive treatment method based on anaerobic digestion and hydrothermal carbonization | |
| CN107572524A (en) | A kind of method that activated carbon is prepared using sludge | |
| CN102533381A (en) | Method for preparing fuel by using sludge | |
| CN102503054A (en) | Textile dyeing sludge processing method for removing heavy metal and dehydrating | |
| CN109181807A (en) | A kind of preparation method of sewage sludge biomass environment-friendly fuel | |
| CN103936244A (en) | Method for preparing hydrothermal coke by utilizing municipal sewage biological sludge | |
| CN110410800B (en) | Method for cooperatively treating powder and sludge wastes by using cement kiln | |
| CN204918477U (en) | Clean processing apparatus of mud | |
| CN204588960U (en) | A kind of mud dry distillation charring treatment unit | |
| CN115287108A (en) | Regenerated clean fuel produced by using oily sludge and manufacturing method thereof | |
| CN104773934A (en) | Sludge dry distillation carbonization device | |
| CN205347174U (en) | Utilize plus sludge drying of living beings and processing apparatus that carbomorphism combined together | |
| CN210193783U (en) | Device for preparing desulfurizer from chemical sludge of papermaking wastewater plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |