CN204281524U - Sludge treating system - Google Patents
Sludge treating system Download PDFInfo
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- CN204281524U CN204281524U CN201420009010.7U CN201420009010U CN204281524U CN 204281524 U CN204281524 U CN 204281524U CN 201420009010 U CN201420009010 U CN 201420009010U CN 204281524 U CN204281524 U CN 204281524U
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Abstract
The utility model discloses a kind of sludge treating system, comprising: dehydration equipment; Dryer; Extrusion forming device, oven dry mud is carried out processed compressed after receiving and drying mud by extrusion forming device, obtains block or cylindric mud raw material; Feed bin, feed bin is connected with extrusion forming device by conveyor; Gas retort; Condensing works; Tar separation equipment, described tar separation equipment be connected with described condensing works with after the oil gas product received after the cooling that feeds from described condensing works by the oil gas product separation after described cooling to obtain carbonization gas, tar and sewage; Gas-holder; And finishing apparatus, described finishing apparatus carries out subsequent disposal to sewage, tar and semicoke and recycles.According to the sludge treating system of the utility model embodiment, environmentally friendly, considerably reduce fume emission and dust discharge, stop the pollution of dioxin to environment, and the danger wastes such as a large amount of flying dusts can not be produced.
Description
Technical field
The utility model relates to technical field of sludge treatment, more specifically, relates to a kind of sludge treating system.
Background technology
The sedimentable matter produced in municipal effluent and During Industrial Wastewater Treatment Process, solid matter, suspended matter, colloidalmaterial contained by comprising in sewage and the sediment separated from water, be referred to as mud.In sewage treatment process, the treatment process of mud comprises primary treatment and the finally process such as landfill, Land_use change such as concentrated, the digestion of mud, dehydration, mummification and burning.
Water content is more than 94% after concentrated, digestion process for mud, and volume is very large.Sludge dewatering can remove planar water in mud and capillary water, makes sludge moisture content be reduced to about 80%, is convenient to transport and subsequent disposal.
Sludge drying technique can make sludge moisture content be down to about 30% by about 80%, forms particle or powdery stable prod simultaneously, after drying and other treatment mud the characteristic such as peculiar smell, pathogenic agent, flowing be improved significantly.
Sludge incineration technology uses fuel to be burned by the mud after mummification by incinerator, the volume of mud can be made to reduce to minimize, do not need to take large quantity space, organism after burning in mud is decomposed, kill pathogenic agent, only the inorganics of remaining seldom amount becomes burning ash, and the final material needing to dispose is less.But burn and need to consume a large amount of energy, the cost of burning and running cost are all very high.In addition, burning can cause the discharge of the Hazardous substances such as heavy metal and Dioxins.
Sludge landfill characteristics technology is by the impact of component in mud, and because the source of mud is complicated, the substances content such as heavy metal are unstable, constrain the development of Land_use change technology.
Sludge landfill technology is the final process means of all specific resistance to filtration technology, needs the process problem solving percolate and landfill biogas.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, an object of the present utility model be to propose a kind of pollute little, energy consumption is low and the sludge treating system that running cost is low.
According to sludge treating system of the present utility model, comprising: dehydration equipment; Dryer, described dryer receives the mud of described dehydration equipment dehydration; Extrusion forming device, described extrusion forming device receives described oven dry mud after described oven dry mud; Feed bin, described feed bin is connected with described extrusion forming device by conveyor; Gas retort, described gas retort is connected to the downstream of described feed bin to receive the raw material fed from described feed bin; Condensing works, described condensing works is connected to the downstream of described gas retort to receive described oil gas product; Tar separation equipment, described tar separation equipment is connected with the oil gas product received after the cooling that feeds from described condensing works with described condensing works; Gas-holder, described gas-holder is for storing the carbonization gas after purification; And finishing apparatus.
According to sludge treating system of the present utility model, significantly can be reduced the water content in mud by dehydration equipment and dryer, reduce the heat of moisture vaporization absorption in mud retort process, thus reduce the energy consumption of total system; By gas retort, destructive distillation process is carried out to mud, carbonization gas, tar and semicoke product can be obtained, these destructive distillation products not only can as fuel, and can sell as industrial raw material, have than the better economic worth of generating, compared to sludge incinerator, this system is environmentally friendly, considerably reduce fume emission and dust discharge, stop the pollution of dioxin to environment, and the danger wastes such as a large amount of flying dusts can not be produced.
According to an embodiment of the present utility model, have heating unit in described gas retort, described heating unit comprises heating tube.
Alternatively, described gas-holder is connected to be passed in described heating unit by described carbonization gas with described heating unit.
Further, purified by flue gas purifying equipment after mud heat exchange to be dried in the described heating unit flue gas of discharging and described dryer.
According to an embodiment of the present utility model, by described mud raw material even stone in described gas retort, described layer thickness is 50 ~ 400mm.
Alternatively, the pyrolysis temperature in described gas retort is 400 ~ 700 DEG C.
Alternatively, described mud raw material stops 0.5 ~ 2h under described pyrolysis temperature.
According to an embodiment of the present utility model, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism.
Alternatively, described gas retort is rotary hearth furnace.
Alternatively, described mud carries out destructive distillation under anaerobic state.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic flow sheet of the treatment process of sludge treating system according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
First the treatment process according to the sludge treating system of the utility model embodiment is specifically described with reference to Fig. 1 below.
Treatment process according to the sludge treating system of the utility model embodiment comprises the following steps:
S1, provide mud through processed, and described mud is carried out drying and processing, obtain drying mud;
S2, described oven dry mud is carried out destructive distillation, generate oil gas product and solid product;
S3, described oil gas product is carried out condensation process, obtain carbonization gas, tar and sewage, described solid product is carried out sorting, obtain semicoke and residue;
S4, will the carbonization gas produced in described step S3 purify after be stored in gas-holder; And
S5, the tar produced, sewage and semicoke carried out subsequent disposal and recycle in described step S3.
Specifically, first the mud of the water content about 80% crossed through processed is carried out drying and processing, obtain as the raw material of mud destructive distillation process (mud of water content about 30%), namely to dry mud; Then oven dry mud is heated gradually in enclosed space and carry out destructive distillation, generate oil gas product and solid product; Then oil gas product is carried out condensation, isolate carbonization gas, tar and sewage, wherein, carbonization gas is stored in gas-holder after caning be passed through purification (such as decoking, desulphurization and denitration etc.), can for productive life, tar can be used as raw material and sells or precision work further, and sewage is qualified discharge after sewage disposal; Cooled destructive distillation residual solid mainly comprises semicoke and residue etc., can divide the semicoke chosen wherein, be recycled.
According to the method for sludge treatment of the utility model embodiment, before destructive distillation, first drying and processing is carried out to mud, reduce sludge moisture content, product calorific value can be improved, reduce the heat that mud absorbs in carbonization process; In addition, the destructive distillation product carbonization gas that mud destructive distillation produces, tar and semicoke, not only can as fuel, and can sell as industrial raw material, have than the better economic worth of generating, compared to the method for sludge incineration, environmentally friendly, considerably reduce fume emission and dust discharge, stop the pollution of dioxin to environment, and the danger wastes such as a large amount of flying dusts can not be produced.
Wherein, mud is carried out the equipment of drying and method is not particularly limited, the furnace drying method that those of ordinary skill in the art commonly use can be adopted.According to an embodiment of the present utility model, in step S1, described mud is dried and realized by dryer.Thus, this operation of equipment is simple and drying efficiency is high.
According to an embodiment of the present utility model, described step S2 comprises: S21, described oven dry mud is carried out processed compressed, obtains block or cylindric mud raw material; With S22, described mud raw material is carried out destructive distillation, generate oil gas product and solid product.Thus, before oven dry mud is carried out destructive distillation, first compressed moulding process is carried out to it, the mud raw material not only convenient transportation after compressed moulding, and be convenient to stone.Such as can by conveyor by mud feedstock transportation to feed bin, the more quantitative paving stock mechanism feed to gas retort.
In order to improve the dry distillation efficiency of mud raw material, according to the method for sludge treatment of the utility model embodiment, the method of isolated flue gas destructive distillation mud is adopted to carry out destructive distillation to mud raw material, particularly, according to an embodiment of the present utility model, step S22 is realized by gas retort, has heating unit in described gas retort, and described heating unit comprises heating tube.Thus, heating unit is to provide the heating installation of destructive distillation institute heat requirement, heating unit can be provided with combustion air and fuel channel, combustion air and fuel can pass into heating unit and respectively in heating tube combustion, atmosphere in high-temperature flue gas and gas retort that heating tube produces is isolated, normally carrying out of destructive distillation can be ensured, improve the calorific value of carbonization gas; Isolated flue gas heating technology high for energy utilization efficiency is applied to the extensive process of mud, mud raw material can be made to enter gas retort continuously and carry out destructive distillation, product is discharged continuously, improves dry distillation efficiency.
Further, according to an embodiment of the present utility model, described gas-holder is connected to be passed in described heating unit by described carbonization gas with described heating unit.In one of them example of the present utility model, the carbonization gas in gas-holder is connected with heating unit with pipeline by press device, and carbonization gas can be used as combustion gas for heating unit provides source of the gas.Be understandable that, carbonization gas can all as the fuel of heating unit to carry out destructive distillation to the mud in gas retort, or part carbonization gas is as the fuel of heating unit, and all the other carbonization gas can be used as carbonization gas product and use for other productive lifes.Thus, by carbonization gas being can be used as the fuel of heating unit, effective saving energy and technique environmental protection, and the carbonization gas produced with mud destructive distillation is as fuel gas, not only achieve stable burning, and efficiency of combustion can reach more than 85%, ensure that the self-sufficiency of mud destructive distillation institute energy requirement, thus reduce running cost.
In an embodiment of the present utility model, heating unit also can pass into afterburning combustion gas, and afterburning combustion gas is used for black furnace and starts.In one of them example of the present utility model, heating unit can be provided with afterburning blast tube to pass into afterburning combustion gas.
In order to make full use of the heat of the flue gas produced in heating unit, according to an embodiment of the present utility model, described heating unit is connected with described dryer and passes in described dryer with the flue gas of being discharged by described heating unit.In other words, the flue gas that fuel combustion in heating unit produces has higher temperature, this high-temperature flue gas is passed in dryer, mud to be dried in itself and dryer can be made to carry out heat exchange, thus dry mud to be dried, take full advantage of the heat of flue gas, solve traditional problem that external-heat type of heating energy expenditure is large, running cost is high.
According to an embodiment of the present utility model, pass into flue gas purifying equipment after mud heat exchange to be dried in the flue gas that described heating unit is discharged and described dryer and purify.In one of them example of the present utility model, dryer be connected with flue gas purification system with by with material-heat-exchanging to be dried in dryer after flue gas pass into flue gas purification system, purify.Thus, by arranging flue gas purification system, effectively prevent the defective and situation to environment of flue gas.
Particularly, according to an embodiment of the present utility model, by described mud raw material even stone in described gas retort, described layer thickness is 50 ~ 400mm.Alternatively, in one of them example of the present utility model, the pyrolysis temperature in described gas retort is 400 ~ 700 DEG C.Further, described mud raw material stops 0.5 ~ 2h under described pyrolysis temperature.Thus, the destructive distillation effect of mud can farthest be ensured.
About gas retort, it will be appreciated that, gas retort needs to ensure that mud can carry out destructive distillation under enclosed space, tubular heating device can be held heat it, and normally can discharge oil gas product and the solid product of destructive distillation generation, alternatively, according to an embodiment of the present utility model, described gas retort is rotary hearth furnace.Thus, the oil gas product of generation can be collected by the pipeline of gas retort top or sidewall.
In order to ensure that the solid product that destructive distillation produces can normally be discharged, according to an embodiment of the present utility model, described gas retort has discharging mechanism, described solid product is discharged by described discharging mechanism, and solid product can rotate stop at the bottom of the rotating bed bed of gas retort discharges gas retort after one week.
According to an embodiment of the present utility model, in described step S2, described mud carries out destructive distillation under anaerobic state.Treat that the material of destructive distillation is in isolation in the flue gas produced in heat-processed due to heating unit and gas retort, add the Seal Design of gas retort, thus ensure that mud carries out destructive distillation under anaerobic, thus improve the calorific value of carbonization gas to greatest extent.Be understandable that, so-called " calorific value ", refer to perfect combustion 1kg (or 1m
3, gas) the energy that goes out of substance release.
Specifically describe the sludge treating system according to the utility model embodiment below.
Sludge treating system according to the utility model embodiment comprises: dehydration equipment, dryer, extrusion forming device, feed bin, gas retort, condensing works, tar separation equipment, gas-holder and finishing apparatus.
Specifically, dehydration equipment is used for described sludge dewatering, and dryer receives the mud of dehydration equipment dehydration, and dryer is used for the mud after by dehydration and carries out drying and processing to obtain drying mud.Oven dry mud is carried out processed compressed after receiving described oven dry mud by extrusion forming device, and obtain block or cylindric mud raw material, feed bin is connected with extrusion forming device by conveyor.The downstream that gas retort is connected to feed bin is to receive after the raw material that feeds from feed bin by raw material destructive distillation to generate oil gas product and solid product, and wherein solid product comprises semicoke and residue.Oil gas product is lowered the temperature by the downstream that condensing works is connected to gas retort after receiving oil gas product, tar separation equipment be connected with condensing works with after the oil gas product after receiving the cooling that feeds from condensing works by the oil gas product separation after lowering the temperature to obtain carbonization gas, tar and sewage.Gas-holder is for storing the carbonization gas after purification, and finishing apparatus carries out subsequent disposal to sewage, tar and semicoke and recycles.
It will be appreciated that, the term " downstream " that the application mentions in describing refers to the direction along the work flow according to raw material to be processed, and that is, gas retort is connected to the downstream of feed bin, what refer to is exactly in work flow, and feed bin is before gas retort and be connected with gas retort; Condensing works is connected to the downstream of gas retort, and what refer to is exactly in work flow, and gas retort is before condensing works and be connected with condensing works.
In other words, first the mud of the water content about 80% through dehydration equipment process is carried out drying and processing on dryer, obtain water content be about 30% can be delivered to the oven dry mud that gas retort carries out destructive distillation process.Then pending oven dry mud is sent into extrusion forming device such as extrude with forming machine in be compressed into block or cylindric, then feed bin can be transported to via conveyor, quantitatively to the paving stock mechanism feed of gas retort such as gas retort, the destructive distillation in gas retort of raw material after extrusion molding, the oil gas product produced such as can be collected by the pipeline of gas retort top or sidewall, then send in condensing works and lower the temperature, oil gas product after cooling passes in tar separation equipment to be separated and obtains carbonization gas, tar and sewage, solid product comprises semicoke and residue, can be stored in gas-holder after carbonization gas purification, finishing apparatus can respectively to sewage, tar and semicoke carry out subsequent disposal and recycle.
Thus, according to the sludge treating system of the utility model embodiment, significantly can be reduced the water content in mud by dehydration equipment and dryer, reduce the heat of moisture vaporization absorption in mud retort process, thus reduce the energy consumption of total system; By gas retort, destructive distillation process is carried out to mud, carbonization gas, tar and semicoke product can be obtained, these destructive distillation products not only can as fuel, and can sell as industrial raw material, have than the better economic worth of generating, compared to sludge incinerator, this system is environmentally friendly, considerably reduce fume emission and dust discharge, stop the pollution of dioxin to environment, and the danger wastes such as a large amount of flying dusts can not be produced.
Particularly, according to an embodiment of the present utility model, have heating unit in gas retort, heating unit comprises heating tube.Thus, heating unit is to provide the heating installation of destructive distillation institute heat requirement, heating unit can be provided with combustion air and fuel channel, combustion air and fuel can pass into heating unit and respectively in heating tube combustion, atmosphere in high-temperature flue gas and gas retort that heating tube produces is isolated, normally carrying out of destructive distillation can be ensured, improve the calorific value of carbonization gas; Isolated flue gas heating technology high for energy utilization efficiency is applied to the extensive process of mud, mud raw material can be made to enter gas retort continuously and carry out destructive distillation, product is discharged continuously, improves dry distillation efficiency.
Further, according to an embodiment of the present utility model, described gas-holder is connected to be passed in described heating unit by described carbonization gas with described heating unit.In one of them example of the present utility model, the carbonization gas in gas-holder is connected with heating unit with pipeline by press device, and carbonization gas can be used as combustion gas for heating unit provides source of the gas.Be understandable that, carbonization gas can all as the fuel of heating unit to carry out destructive distillation to the mud in gas retort, or part carbonization gas is as the fuel of heating unit, and all the other carbonization gas can be used as carbonization gas product and use for other productive lifes.Thus, by using the fuel of carbonization gas as heating unit, effective saving energy and technique environmental protection, and the carbonization gas produced with mud destructive distillation is as fuel gas, not only achieve stable burning, and efficiency of combustion can reach more than 85%, ensure that the self-sufficiency of mud destructive distillation institute energy requirement, thus reduce running cost.
According to an embodiment of the present utility model, pass into flue gas purifying equipment after mud heat exchange to be dried in the flue gas that described heating unit is discharged and described dryer and purify.In one of them example of the present utility model, dryer be connected with flue gas purification system with by with material-heat-exchanging to be dried in dryer after flue gas pass into flue gas purification system, purify.Thus, by arranging flue gas purification system, effectively prevent the defective and situation to environment of flue gas.
Particularly, according to an embodiment of the present utility model, by described mud raw material even stone in described gas retort, described layer thickness is 50 ~ 400mm.Alternatively, in one of them example of the present utility model, the pyrolysis temperature in described gas retort is 400 ~ 700 DEG C.Further, described mud raw material stops 0.5 ~ 2h under described pyrolysis temperature.Thus, the destructive distillation effect of mud can farthest be ensured.
About gas retort, it will be appreciated that, gas retort needs to ensure that mud can carry out destructive distillation under enclosed space, tubular heating device can be held heat it, and normally can discharge oil gas product and the solid product of destructive distillation generation, alternatively, according to an embodiment of the present utility model, described gas retort is rotary hearth furnace.Thus, the oil gas product of generation can be collected by the pipeline of gas retort top or sidewall.
In order to ensure that the solid product that destructive distillation produces can normally be discharged, according to an embodiment of the present utility model, described gas retort has discharging mechanism, described solid product is discharged by described discharging mechanism, and solid product can rotate stop at the bottom of the rotating bed bed of gas retort discharges gas retort after one week.
According to an embodiment of the present utility model, described mud carries out destructive distillation under anaerobic state.Treat that the material of destructive distillation is in isolation in the flue gas produced in heat-processed due to heating unit and gas retort, add the Seal Design of gas retort, thus ensure that mud carries out destructive distillation under anaerobic, thus improve the calorific value of carbonization gas to greatest extent.Be understandable that, so-called " calorific value ", refer to perfect combustion 1kg (or 1m
3, gas) the energy that goes out of substance release.
Generally speaking, according to method for sludge treatment and the treatment facility thereof of the utility model embodiment, the destructive distillation product carbonization gas that mud destructive distillation produces, tar and semicoke, not only as fuel, and can sell as industrial raw material, have than the better economic worth of generating, compared to the method for sludge incineration, environmentally friendly, considerably reduce fume emission and dust discharge, stop the pollution of dioxin to environment, and the danger wastes such as a large amount of flying dusts can not be produced.
In the description of this specification sheets, specific features, structure, raw material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, raw material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (6)
1. a sludge treating system, is characterized in that, comprising:
Dehydration equipment;
Dryer, described dryer receives the mud of described dehydration equipment;
Extrusion forming device, described extrusion forming device receives the oven dry mud that described drying machine drying process obtains;
Feed bin, described feed bin is connected with described extrusion forming device by conveyor;
Gas retort, described gas retort is connected to the downstream of described feed bin to receive the raw material fed from described feed bin;
Condensing works, the oil gas product that the downstream that described condensing works is connected to described gas retort generates to receive described gas retort;
Tar separation equipment, described tar separation equipment is connected with the oil gas product received after the cooling that feeds from described condensing works with described condensing works;
Gas-holder, described gas-holder is for storing the carbonization gas after purification; With
Finishing apparatus.
2. sludge treating system according to claim 1, is characterized in that, has heating unit in described gas retort, and described heating unit comprises heating tube.
3. sludge treating system according to claim 2, is characterized in that, described gas-holder is connected to be passed in described heating unit by described carbonization gas with described heating unit.
4. sludge treating system according to claim 3, is characterized in that, is purified after mud heat exchange to be dried in the flue gas that described heating unit is discharged and described dryer by flue gas purifying equipment.
5. the sludge treating system according to any one of claim 1-4, is characterized in that, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism.
6. sludge treating system according to claim 5, is characterized in that, described gas retort is rotary hearth furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009010.7U CN204281524U (en) | 2014-01-07 | 2014-01-07 | Sludge treating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009010.7U CN204281524U (en) | 2014-01-07 | 2014-01-07 | Sludge treating system |
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| CN204281524U true CN204281524U (en) | 2015-04-22 |
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| CN201420009010.7U Expired - Fee Related CN204281524U (en) | 2014-01-07 | 2014-01-07 | Sludge treating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773935A (en) * | 2015-04-27 | 2015-07-15 | 岩固（上海）环保科技有限公司 | Treatment process for dry distillation carbonization of sludge |
| CN105038822A (en) * | 2015-07-13 | 2015-11-11 | 长沙泥宝环保有限公司 | Sludge clean treatment method and device |
| WO2016127594A1 (en) * | 2015-02-09 | 2016-08-18 | 谭修光 | Sludge treatment method using solar pyrolysis carbonization technology |
| CN109052894A (en) * | 2018-08-01 | 2018-12-21 | 宁波亚菲科技有限公司 | Sludge carbonization treatment comprehensive utilization process |
-
2014
- 2014-01-07 CN CN201420009010.7U patent/CN204281524U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127594A1 (en) * | 2015-02-09 | 2016-08-18 | 谭修光 | Sludge treatment method using solar pyrolysis carbonization technology |
| CN104773935A (en) * | 2015-04-27 | 2015-07-15 | 岩固（上海）环保科技有限公司 | Treatment process for dry distillation carbonization of sludge |
| CN105038822A (en) * | 2015-07-13 | 2015-11-11 | 长沙泥宝环保有限公司 | Sludge clean treatment method and device |
| CN109052894A (en) * | 2018-08-01 | 2018-12-21 | 宁波亚菲科技有限公司 | Sludge carbonization treatment comprehensive utilization process |
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| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20161028 Address after: 102200 Beijing city Changping District Machi Town cow Road Patentee after: Beijing Shenyuan environmental protection Co. Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20190107 |