CN209816039U - Device for producing synthesis gas by using activated sludge for industrial wastewater treatment in coal water slurry gasification combined production - Google Patents
Device for producing synthesis gas by using activated sludge for industrial wastewater treatment in coal water slurry gasification combined production Download PDFInfo
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- CN209816039U CN209816039U CN201920551267.8U CN201920551267U CN209816039U CN 209816039 U CN209816039 U CN 209816039U CN 201920551267 U CN201920551267 U CN 201920551267U CN 209816039 U CN209816039 U CN 209816039U
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Abstract
The utility model relates to an activated sludge of industrial waste water treatment is used for coal slurry gasification coproduction synthetic gas's device, including the coal bunker, coal bunker bottom and weighing feeder intercommunication, the pipeline intercommunication is passed through with the coal pulverizer pan feeding mouth to the coal feeder bottom discharge gate of weighing, the coal pulverizer still communicates with basin, sludge storage tank and additive groove respectively through the pipeline. The utility model can decompose the organic substances, nitrogen and phosphorus compounds rich in the sludge into basic oxides, thereby achieving the purpose of innocent treatment.
Description
Technical Field
The utility model relates to a solid useless processing of chemical industry and coal chemical industry field specifically are a device that industrial waste water treatment's activated sludge is used for coal slurry gasification coproduction synthetic gas.
Background
Sludge generated in the sewage treatment process contains a large amount of organic matters and nutrient substances such as nitrogen, phosphorus and the like, and if the sludge is not treated and is randomly discharged, the eutrophication phenomenon of a water body can be caused; if the sludge is used in agricultural production, heavy metals in the sludge can pollute soil and crops; the sludge also contains pathogenic bacteria and parasitic ova, and improper treatment can cause disease transmission. These problems will cause secondary pollution of the environment. Due to the physical properties of high water content, loose particle structure and the like of the sludge and the chemical properties of changeability and extreme instability, the treatment process has high cost.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a device for producing synthesis gas by coal water slurry gasification with activated sludge from industrial wastewater treatment, which is used for preparing synthesis gas by coal water slurry co-production after adjusting a large amount of biochemical sludge generated in the chemical production processes of synthetic ammonia, phosphorus compound fertilizer, ethylene glycol, etc. with corresponding additives.
The utility model adopts the technical proposal that:
the utility model provides a device that industrial waste water treatment's activated sludge is used for coal slurry gasification coproduction synthetic gas, includes the coal bunker, coal bunker bottom and the feeder intercommunication of weighing, the feeder bottom discharge gate of weighing passes through the pipeline intercommunication with coal pulverizer pan feeding mouth, the coal pulverizer still passes through the pipeline and communicates with basin, mud storage tank and additive groove respectively.
Preferably, the weighing coal feeder is a screw conveyor or a belt conveyor provided with a weighing and metering device.
Preferably, the middle lower part of the coal bunker is provided with a nitrogen pipeline, and low-pressure protective nitrogen is continuously introduced to prevent the coal stored in the bunker from spontaneous combustion.
Preferably, a sludge feeding pump, a sludge flowmeter and a sludge flow regulating valve are arranged between the coal mill and the sludge storage tank.
Preferably, an additive feeding pump, an additive flow meter and an additive flow control valve are arranged between the coal mill and the additive tank.
Preferably, a coal grinding water pump, a coal grinding water flow meter and a coal grinding water flow regulating valve are arranged between the coal grinding machine and the water tank.
Preferably, the sludge storage tank is provided with a first flushing water pipeline and a first sewage discharge pipeline, and a stirring device is arranged in the sludge storage tank. Prevent sludge deposition and blockage.
Preferably, the additive tank is provided with an additive feed line and a water addition line. The additive tank is internally provided with a stirring device, and the concentration and the dosage of the additive are adjusted according to the formula.
Preferably, the coal mill is provided with a ventilation pipe and is sequentially communicated with the coal slurry storage tank and the coal slurry pump through a pipeline. And pumping the coal slurry to a rear section for use.
Preferably, the coal slurry storage tank has a second flushing water line and a second blowdown line. Preventing deposition clogging.
The utility model discloses following beneficial effect has:
1. the utility model discloses the coal slurry is used for gasifier reaction temperature to reach more than 1300 ℃, can decompose the organic matter that is rich in mud and nitrogen, phosphorus compound for basic oxide, reaches innocent treatment's purpose.
2. The sludge storage tank is provided with a first flushing water pipeline and a first sewage discharge pipeline, and a stirring device is arranged in the sludge storage tank. Prevent sludge deposition and blockage. The coal slurry storage tank is provided with a second flushing water pipeline and a second sewage discharge pipeline. Preventing deposition clogging.
3. The solid waste which can be used for gasifying the water coal slurry is mainly that biochemical sludge with the water content of about 50t/d (about 80 percent) is generated by sewage treatment stations of various factories, the content of organic matters after drying treatment is 55 percent, the heat value is 10000 ~ 15000kj/kg (dry sludge), the heat value and the components which are rich in the 10t/d sludge after drying according to the biochemical sludge with the 50t/d are equivalent to the heat value and the effective gas components which can be generated by 5t/d raw material coal, the direct economic benefit of 115 ten thousand yuan/year can be generated according to the price of 700 yuan/ton of the raw material coal at present, and the problem of environment-friendly treatment of the sludge is solved at the same time.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: coal bunker 1, nitrogen gas pipeline 2, weighing coal feeder 3, sludge storage tank 4, sludge feed pump 5, first flushing water line 6, first blowdown line 7, additive groove 8, additive feed pump 9, water adding line 10, additive feed line 11, basin 12, coal grinding water pump 13, coal grinding water flow control valve 14, additive flow control valve 15, sludge flow control valve 16, coal grinding machine 17, ventilation pipe 18, second flushing water line 19, coal slurry storage tank 20, coal slurry pump 21.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited to the scope of the examples. These examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example 1
FIG. 1 shows a device for producing synthesis gas by gasifying coal water slurry by using activated sludge treated by industrial wastewater, which comprises a coal bunker 1, wherein the bottom of the coal bunker 1 is communicated with a weighing coal feeder 3, a discharge port at the bottom of the weighing coal feeder 3 is communicated with a feeding port of a coal mill 17 through a pipeline, and the coal mill 17 is further communicated with a water tank 12, a sludge storage tank 4 and an additive tank 8 through pipelines.
Preferably, the weighing coal feeder 3 is a screw conveyor or a belt conveyor provided with a weighing and metering device.
Preferably, the coal bunker 1 is provided with a nitrogen pipeline 2 at the middle lower part, and low-pressure protective nitrogen is continuously introduced to prevent the coal stored in the bunker from spontaneous combustion.
Preferably, a sludge feeding pump 5, a sludge flow meter and a sludge flow regulating valve 16 are arranged between the coal mill 17 and the sludge storage tank 4.
Preferably, an additive feeding pump 9, an additive flow meter and an additive flow regulating valve 15 are arranged between the coal mill 17 and the additive tank 8.
Preferably, a coal grinding water pump 13, a coal grinding water flow meter and a coal grinding water flow regulating valve 14 are arranged between the coal grinding machine 17 and the water tank 12.
Preferably, the sludge storage tank 4 is provided with a first flushing water pipeline 6 and a first sewage discharge pipeline 7, and a stirring device is arranged in the sludge storage tank 4. Prevent sludge deposition and blockage.
Preferably, the additive tank 8 is provided with an additive feed line 11 and a water addition line 10. The additive tank 8 is internally provided with a stirring device, and the concentration and the dosage of the additive are adjusted according to the formula.
Preferably, the coal mill 17 is provided with a vent pipe 18, and the coal mill 17 is also communicated with a coal slurry storage tank 20 and a coal slurry pump 21 in sequence through pipelines. The coal slurry is sent to a post-process for use through a coal slurry pump 21.
Preferably, the coal slurry storage tank 20 has a second flush water line 19 and a second blowdown line. Preventing deposition clogging.
The utility model discloses the theory of operation:
the sludge storage tank 4 is added with 0.5-5 wt% of coal from the sludge feeding pump 5 and the weighing coal feeder 3, water from the coal grinding water pump 13 and an additive from the additive feeding pump 9, and the mixture is ground by the coal grinding machine 17 to prepare coal water slurry which enters the coal slurry storage tank 20 for gasification furnace production for gasification to produce synthesis gas and coproduce synthetic ammonia and glycol.
The water content of the industrial biochemical sludge is 80-90wt%, and drying and dehydration treatment are not needed.
The addition amount of the industrial biochemical sludge (dry basis) accounts for 1-2wt% of the coal water slurry preparation.
The additive mainly comprises lignosulphonates, and the dosage of the additive accounts for 0.1-0.5wt% of the prepared coal water slurry.
The coal water slurry is used for gasification production, and can completely treat harmful components contained in the sludge only by reacting at a high temperature of more than 1300 ℃.
Claims (10)
1. The utility model provides a device that industrial waste water treatment's activated sludge is used for coal slurry gasification coproduction synthetic gas, includes coal bunker (1), its characterized in that, coal bunker (1) bottom and weighing feeder (3) intercommunication, weighing feeder (3) bottom discharge gate passes through the pipeline intercommunication with coal pulverizer (17) pan feeding mouth, coal pulverizer (17) still pass through the pipeline respectively with basin (12), mud storage tank (4) and additive groove (8) intercommunication.
2. The arrangement according to claim 1, characterized in that the coal bunker (1) is provided with a nitrogen line (2) in the middle-lower part.
3. The device according to claim 1, characterized in that the weighing feeder (3) is a screw conveyor or a belt conveyor provided with a weighing and metering device.
4. The device according to claim 1, characterized in that a sludge feed pump (5), a sludge flow meter and a sludge flow control valve (16) are arranged between the coal mill (17) and the sludge storage tank (4).
5. The arrangement according to claim 1, characterized in that an additive feed pump (9), an additive flow meter and an additive flow control valve (15) are arranged between the coal mill (17) and the additive tank (8).
6. The device according to claim 1, characterized in that a coal grinding water pump (13), a coal grinding water flow meter and a coal grinding water flow regulating valve (14) are arranged between the coal grinding machine (17) and the water tank (12).
7. The device according to claim 1, characterized in that the sludge storage tank (4) is provided with a first flushing water line (6) and a first sewage line (7), and in that a stirring device is arranged in the sludge storage tank (4).
8. The apparatus according to claim 1, characterized in that the additive tank (8) is provided with an additive feed line (11) and a water addition line (10).
9. The device according to claim 1, characterized in that the coal mill (17) is provided with a ventilation pipe (18), and the coal mill (17) is also communicated with a coal slurry storage tank (20) and a coal slurry pump (21) in sequence through pipelines.
10. The arrangement according to claim 9, characterized in that the coal slurry reservoir (20) has a second flushing water line (19) and a second sewage line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551267.8U CN209816039U (en) | 2019-04-22 | 2019-04-22 | Device for producing synthesis gas by using activated sludge for industrial wastewater treatment in coal water slurry gasification combined production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551267.8U CN209816039U (en) | 2019-04-22 | 2019-04-22 | Device for producing synthesis gas by using activated sludge for industrial wastewater treatment in coal water slurry gasification combined production |
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| CN209816039U true CN209816039U (en) | 2019-12-20 |
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| CN201920551267.8U Active CN209816039U (en) | 2019-04-22 | 2019-04-22 | Device for producing synthesis gas by using activated sludge for industrial wastewater treatment in coal water slurry gasification combined production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401052A (en) * | 2022-07-13 | 2022-11-29 | 江西心连心化学工业有限公司 | Method for recycling organic waste by using coal water slurry gasification furnace |
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2019
- 2019-04-22 CN CN201920551267.8U patent/CN209816039U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401052A (en) * | 2022-07-13 | 2022-11-29 | 江西心连心化学工业有限公司 | Method for recycling organic waste by using coal water slurry gasification furnace |
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