CN113526813A - Process for resource brick making by heat drying oil sludge - Google Patents
Process for resource brick making by heat drying oil sludge Download PDFInfo
- Publication number
- CN113526813A CN113526813A CN202110965351.6A CN202110965351A CN113526813A CN 113526813 A CN113526813 A CN 113526813A CN 202110965351 A CN202110965351 A CN 202110965351A CN 113526813 A CN113526813 A CN 113526813A
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- China
- Prior art keywords
- oil sludge
- temperature
- drying oil
- heat drying
- industrial high
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- 239000010802 sludge Substances 0.000 title claims abstract description 44
- 239000011449 brick Substances 0.000 title claims abstract description 37
- 238000001035 drying Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000000265 homogenisation Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 9
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000112 cooling gas Substances 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims 3
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 2
- 238000004017 vitrification Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Sludge (AREA)
Abstract
A process for resource brick making by heat drying oil sludge comprises the following steps: s1, pretreatment of the heat drying oil sludge: adding the heat drying oil sludge into an adhesive and a curing agent, and then homogenizing; s2, innocent treatment: carrying out harmless treatment on the heat drying oil sludge after the homogenization treatment through a 400-plus-500 ℃ vertical kiln, a 600-plus-800 ℃ first industrial high-temperature converter and a 1000-plus-1200 ℃ second industrial high-temperature converter in sequence; s3, brick making: and cooling the high-temperature mud, mixing and stirring the cooled high-temperature mud with cement, and making bricks by using a brick making machine. According to the invention, the harmful substances contained in the heat drying oil sludge are subjected to qualitative transformation and vitrification through the industrial high-temperature converter, and only solid harmless substances are left, so that the heat drying oil sludge is used for manufacturing various cement bricks, and the resource utilization of the heat drying oil sludge is realized.
Description
Technical Field
The invention relates to the technical field of recycling of heat-dried oil sludge, in particular to a process for recycling brick making by using heat-dried oil sludge.
Background
At present, the domestic environmental protection industry has no recycling treatment brick making process for the oil sludge and the sludge. Basically, the method is a reduction treatment process, and the sludge can not be used as resources for the treated heat-dried oil sludge.
Disclosure of Invention
The invention aims to provide a process for resource brick making by heat drying oil sludge aiming at the defects.
A production line of a resource brickmaking process of heat drying oil sludge comprises a heat drying oil sludge storage tank, a screw conveyor, a homogenizer, a belt conveyor, a vertical kiln, a first industrial high-temperature converter, a second industrial high-temperature converter, a cooler, a stirring tank and a brickmaking machine which are sequentially arranged;
the bottom of the heat drying oil sludge storage tank is connected with a feed inlet of a screw conveyor, an auxiliary agent adding storage tank is also arranged above the screw conveyor, an outlet of the auxiliary agent adding storage tank is connected with a feed inlet of the screw conveyor through a pipeline with a valve, a discharge port of the screw conveyor is communicated with an inlet of a homogenizer, and an outlet of the homogenizer is positioned right above a feeding end of the belt conveyor;
the feeding end of the belt conveyor conveys materials to an inlet of the vertical kiln, an air outlet is formed in the top of the vertical kiln and is connected to a water cooler through an air outlet pipeline, an outlet of the water cooler is connected with a gas-liquid separator, an air outlet in the top of the gas-liquid separator is connected to a water seal tank through a pipeline, and the bottom of the gas-liquid separator is connected with an oil-water separator through a pipeline;
the bottom discharge port of the vertical kiln is connected with a feeder of a first industrial high-temperature converter, a discharger of the first industrial high-temperature converter is connected with a feeder of a second industrial high-temperature converter, a discharger of the second industrial high-temperature converter is connected with a cooler, an outlet of the cooler is connected to a stirring tank through a pipeline, a cement material inlet is formed in the top of the stirring tank, and an outlet of the stirring tank is connected to an inlet of a brick making machine through a discharge pipeline;
a high-temperature hot air inlet is formed in a discharging device of the second industrial high-temperature converter, the high-temperature hot air inlet is connected with a burner, and an exhaust port of the water-sealed tank is connected to an air inlet of the burner through an air conveying pipeline; the feeder of the second industrial high-temperature converter is also provided with a flue gas discharge pipe and a first hot air pipe, and the gas outlet end of the first hot air pipe is communicated with the discharger of the first industrial high-temperature converter; the feeder of the first industrial high-temperature converter is provided with a second hot air pipe, and the air outlet end of the second hot air pipe is communicated with the bottom of the vertical kiln.
And the auxiliary agent adding storage tank contains an adhesive and a curing agent.
The temperature in the second industrial high-temperature converter is 1000-1200 ℃.
The temperature in the first industrial high-temperature converter is 600-800 ℃.
The temperature in the vertical kiln is 400-500 ℃.
The process for resource brick making by heat drying oil sludge comprises the following steps:
s1, pretreatment of the heat drying oil sludge: adding the heat drying oil sludge into an adhesive and a curing agent, and then homogenizing;
s2, innocent treatment: carrying out harmless treatment on the heat drying oil sludge after the homogenization treatment through a 400-plus-500 ℃ vertical kiln, a 600-plus-800 ℃ first industrial high-temperature converter and a 1000-plus-1200 ℃ second industrial high-temperature converter in sequence;
hot air generated by the burner sequentially enters a second industrial high-temperature converter, a first industrial high-temperature converter and the vertical kiln to be used as heat sources; cooling gas generated by the vertical kiln, then feeding the cooled gas into a gas-liquid separator, recycling the separated gas into a combustor for reuse after passing through a water-sealed tank, and feeding the separated liquid into an oil-water separator;
s3, brick making: and cooling the high-temperature mud, mixing and stirring the cooled high-temperature mud with cement, and making bricks by using a brick making machine.
The invention has the advantages that: the harmful substances contained in the heat drying oil sludge are subjected to qualitative change and vitrification through an industrial high-temperature converter with the high temperature of more than 1 thousand degrees, and only solid harmless substances are left, so that the heat drying oil sludge is used for manufacturing various cement bricks, and the resource utilization of the heat drying oil sludge is realized.
Description of the drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in the attached drawing, a production line of a resource brick making process of heat drying oil sludge comprises a heat drying oil sludge storage tank 1, a screw conveyor 2, a homogenizer 3, a belt conveyor 4, a vertical kiln 5, a first industrial high-temperature converter 6, a second industrial high-temperature converter 7, a cooler 8, a stirring tank 9 and a brick making machine 10 which are sequentially arranged;
the bottom of the heat drying oil sludge storage tank 1 is connected with a feed inlet of a screw conveyor 2, an auxiliary agent adding storage tank 11 is further arranged above the screw conveyor 2, an outlet of the auxiliary agent adding storage tank 11 is connected with a feed inlet of the screw conveyor 2 through a pipeline with a valve, a discharge outlet of the screw conveyor 2 is communicated with an inlet of a homogenizer 3, and an outlet of the homogenizer 3 is positioned right above a feeding end of a belt conveyor 4;
the belt conveyor 4 conveys materials to an inlet of the vertical kiln 5 at a discharging end of the belt conveyor, an air outlet is formed in the top of the vertical kiln 5 and is connected to a water cooler 12 through an air outlet pipeline, an outlet of the water cooler 12 is connected with a gas-liquid separator 13, an air outlet in the top of the gas-liquid separator 13 is connected to a water seal tank 14 through a pipeline, and the bottom of the gas-liquid separator 13 is connected with an oil-water separator 15 through a pipeline;
the bottom discharge port of the vertical kiln 5 is connected with a feeder of a first industrial high-temperature converter 6, a discharger of the first industrial high-temperature converter 6 is connected with a feeder of a second industrial high-temperature converter 7, a discharger of the second industrial high-temperature converter 7 is connected with a cooler 8, an outlet of the cooler 8 is connected to a stirring tank 9 through a pipeline, a cement material inlet is formed in the top of the stirring tank 9, and an outlet of the stirring tank 9 is connected to an inlet of a brick making machine 10 through a discharge pipeline;
a high-temperature hot air inlet is formed in a discharging device of the second industrial high-temperature converter 7 and connected with a combustor 16, and an exhaust port of the water-sealed tank 14 is connected to an air inlet of the combustor 16 through an air conveying pipeline 17; the feeder of the second industrial high-temperature converter 7 is also provided with a flue gas discharge pipe 18 and a first hot air pipe 19, and the gas outlet end of the first hot air pipe 19 is communicated with the discharger of the first industrial high-temperature converter 6; the feeder of the first industrial high-temperature converter 6 is provided with a second hot air pipe 20, and the air outlet end of the second hot air pipe 20 is communicated with the bottom of the vertical kiln 5.
The auxiliary agent addition tank 11 contains an adhesive and a curing agent.
The temperature in the second industrial high-temperature converter 7 is 1000-1200 ℃.
The temperature in the first industrial high-temperature converter 6 is 600-800 ℃.
The temperature in the vertical kiln 5 is 400-500 ℃.
A process for resource brick making by heat drying oil sludge comprises the following steps:
s1, pretreatment of the heat drying oil sludge: adding the heat drying oil sludge into an adhesive and a curing agent, and then homogenizing;
s2, innocent treatment: carrying out harmless treatment on the heat drying oil sludge after the homogenization treatment through a 400-plus-500 ℃ vertical kiln, a 600-plus-800 ℃ first industrial high-temperature converter and a 1000-plus-1200 ℃ second industrial high-temperature converter in sequence;
hot air generated by the burner sequentially enters a second industrial high-temperature converter, a first industrial high-temperature converter and the vertical kiln to be used as heat sources; cooling gas generated by the vertical kiln, then feeding the cooled gas into a gas-liquid separator, recycling the separated gas into a combustor for reuse after passing through a water-sealed tank, and feeding the separated liquid into an oil-water separator;
s3, brick making: and cooling the high-temperature mud, mixing and stirring the cooled high-temperature mud with cement, and making bricks by using a brick making machine.
< detection experiment >
The strength grade detection is carried out on the brickwork manufactured by the brickmaking machine, and the measured indexes are shown in the following table:
therefore, the brickwork strength grade after brickmaking is higher than the national standard on the average value and the single minimum index.
The appearance of the bricks made by the brick making machine is detected, 2000 bricks are taken for testing, the measured proportion of superior products, first-class products and qualified products is as follows, and the indexes are shown in the following table:
the above embodiments are merely illustrative of the technical solutions and features of the present invention, and the purpose thereof is to better enable those skilled in the art to practice the invention, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention are within the scope of the present invention, wherein the prior art is not described in detail.
Claims (6)
1. A process for resource brick making by heat drying oil sludge is characterized by comprising the following steps:
s1, pretreatment of the heat drying oil sludge: adding the heat drying oil sludge into an adhesive and a curing agent, and then homogenizing;
s2, innocent treatment: carrying out harmless treatment on the heat drying oil sludge after the homogenization treatment through a 400-plus-500 ℃ vertical kiln, a 600-plus-800 ℃ first industrial high-temperature converter and a 1000-plus-1200 ℃ second industrial high-temperature converter in sequence;
hot air generated by the burner sequentially enters a second industrial high-temperature converter, a first industrial high-temperature converter and the vertical kiln to be used as heat sources; cooling gas generated by the vertical kiln, then feeding the cooled gas into a gas-liquid separator, recycling the separated gas into a combustor for reuse after passing through a water-sealed tank, and feeding the separated liquid into an oil-water separator;
s3, brick making: and cooling the high-temperature mud, mixing and stirring the cooled high-temperature mud with cement, and making bricks by using a brick making machine.
2. The process for resource brick making by using the heat drying oil sludge as claimed in claim 1, wherein the production line for resource brick making by using the heat drying oil sludge comprises a heat drying oil sludge storage tank, a screw conveyor, a homogenizer, a belt conveyor, a vertical kiln, a first industrial high-temperature converter, a second industrial high-temperature converter, a cooler, a stirring tank and a brick making machine which are sequentially arranged;
the bottom of the heat drying oil sludge storage tank is connected with a feed inlet of a screw conveyor, an auxiliary agent adding storage tank is also arranged above the screw conveyor, an outlet of the auxiliary agent adding storage tank is connected with a feed inlet of the screw conveyor through a pipeline with a valve, a discharge port of the screw conveyor is communicated with an inlet of a homogenizer, and an outlet of the homogenizer is positioned right above a feeding end of the belt conveyor;
the feeding end of the belt conveyor conveys materials to an inlet of the vertical kiln, an air outlet is formed in the top of the vertical kiln and is connected to a water cooler through an air outlet pipeline, an outlet of the water cooler is connected with a gas-liquid separator, an air outlet in the top of the gas-liquid separator is connected to a water seal tank through a pipeline, and the bottom of the gas-liquid separator is connected with an oil-water separator through a pipeline;
the bottom discharge port of the vertical kiln is connected with a feeder of a first industrial high-temperature converter, a discharger of the first industrial high-temperature converter is connected with a feeder of a second industrial high-temperature converter, a discharger of the second industrial high-temperature converter is connected with a cooler, an outlet of the cooler is connected to a stirring tank through a pipeline, a cement material inlet is formed in the top of the stirring tank, and an outlet of the stirring tank is connected to an inlet of a brick making machine through a discharge pipeline;
a high-temperature hot air inlet is formed in a discharging device of the second industrial high-temperature converter, the high-temperature hot air inlet is connected with a burner, and an exhaust port of the water-sealed tank is connected to an air inlet of the burner through an air conveying pipeline; the feeder of the second industrial high-temperature converter is also provided with a flue gas discharge pipe and a first hot air pipe, and the gas outlet end of the first hot air pipe is communicated with the discharger of the first industrial high-temperature converter; the feeder of the first industrial high-temperature converter is provided with a second hot air pipe, and the air outlet end of the second hot air pipe is communicated with the bottom of the vertical kiln.
3. The process for resource brickmaking of thermal drying oil sludge as claimed in claim 2, wherein the additive storage tank contains an adhesive and a curing agent.
4. The process for resource recovery and brick making by using heat drying oil sludge as claimed in claim 2, wherein the temperature in the second industrial high temperature converter is 1000-1200 ℃.
5. The process for resource recovery of brick as claimed in claim 4, wherein the temperature in the first industrial high temperature converter is 600-800 ℃.
6. The process for resource recovery of brick from heat-dried oil sludge as claimed in claim 5, wherein the temperature in the vertical kiln is 400-500 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110965351.6A CN113526813A (en) | 2021-08-23 | 2021-08-23 | Process for resource brick making by heat drying oil sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110965351.6A CN113526813A (en) | 2021-08-23 | 2021-08-23 | Process for resource brick making by heat drying oil sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113526813A true CN113526813A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110965351.6A Pending CN113526813A (en) | 2021-08-23 | 2021-08-23 | Process for resource brick making by heat drying oil sludge |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315314A (en) * | 2021-12-21 | 2022-04-12 | 上海藤轲汽车技术有限公司 | Industrial oil sludge treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896790A (en) * | 2019-03-01 | 2019-06-18 | 天津诚天环境工程有限公司 | A kind of integrated technique of industry hazardous waste sludge production environmental protection brick |
-
2021
- 2021-08-23 CN CN202110965351.6A patent/CN113526813A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896790A (en) * | 2019-03-01 | 2019-06-18 | 天津诚天环境工程有限公司 | A kind of integrated technique of industry hazardous waste sludge production environmental protection brick |
Non-Patent Citations (1)
| Title |
|---|
| 谢志海;蔡清;龚德;赵敏;: "石油油泥综合处理技术", 化工进展, no. 1, pages 497 - 499 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315314A (en) * | 2021-12-21 | 2022-04-12 | 上海藤轲汽车技术有限公司 | Industrial oil sludge treatment method |
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