CN217297741U - High-efficient calcium device that removes of acetylene supernatant - Google Patents
High-efficient calcium device that removes of acetylene supernatant Download PDFInfo
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- CN217297741U CN217297741U CN202220836480.5U CN202220836480U CN217297741U CN 217297741 U CN217297741 U CN 217297741U CN 202220836480 U CN202220836480 U CN 202220836480U CN 217297741 U CN217297741 U CN 217297741U
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Abstract
The utility model relates to an acetylene supernatant handles technical field, is a high-efficient calcium device that removes of acetylene supernatant, and it includes acetylene supernatant pond, carbon dioxide absorption tower, tail gas buffer tank, solid-liquid separation equipment, filter-pressing clean water basin and acetylene clean water basin, and fixed intercommunication has the feed liquor pipeline between acetylene supernatant pond export and the import of carbon dioxide absorption tower upper portion, and the fixed intercommunication of tail gas buffer tank import has first air inlet pipeline, and fixed intercommunication has the second air inlet pipeline between tail gas buffer tank export and the import of carbon dioxide absorption tower lower part. The utility model has the advantages of reasonable and compact structure, convenient to use, it reduces calcium ion content to 5mg/L in with the acetylene supernatant, the utility model discloses the effectual problem that pipeline equipment scale deposit is many of having solved has improved the security of device, has guaranteed the even running of generator, simultaneously, rational utilization industry tail gas waste gas resource, has reduced the emission of carbon dioxide, has reached in the carbon and the purpose that carbon reduces discharging.
Description
Technical Field
The utility model relates to an acetylene supernatant handles technical field, is a high-efficient calcium device that removes of acetylene supernatant.
Background
In the production process of acetylene by a calcium carbide wet method, calcium carbide and water are added into a generator to react to generate acetylene gas and calcium carbide slag slurry, the calcium carbide slag slurry overflows to a concentration tank through a generator overflow pipe to be subjected to sedimentation separation, supernate flows into a supernate pool and is directly conveyed to the generator by a conveying pump for recycling, and bottom concentrated slurry is conveyed to a filter pressing process by the concentration pump to be treated.
The main component of the supernatant after the carbide slag slurry is settled and separated is saturated calcium hydroxide solution, the calcium ion content is detected to be about 450mg/L, and the supernatant contains solid suspended matters. The clear solution rethread pipeline that contains calcium ion content is high is carried to the generator and is recycled, not only scale deposit in the inside of pipe-line equipment easily, reduce the pipe diameter of the pipeline, influence the water yield that adds of generator, can cause the inside scale deposit of each gaseous phase mouth of pipe of generator and mud washer, cause the generator to appear overtemperature in the operation process, phenomenons such as superpressure, be unfavorable for the safe and stable operation of generator, and the suspended solid in the clear solution deposits in the clear solution pond, occupy the pond volume, increase the clearance degree of difficulty, and simultaneously, the equipment pipeline maintenance cycle has been shortened, the equipment pipeline maintenance frequency has been increased, then the cost of maintenance has been increased, indirectly influence PVC output, cause economic loss.
Disclosure of Invention
The utility model provides a high-efficient calcium device that removes of acetylene supernatant has overcome above-mentioned prior art not enough, and it can effectively solve current acetylene supernatant and deliver to the generator and recycle the back and the inside scale deposit of the pipe-line equipment that exists, generator can not the safe and steady operation, shortened the equipment pipeline maintenance cycle, increased cost of maintenance and indirect problem that influences PVC output.
The technical scheme of the utility model is realized through following measure: an acetylene supernatant high-efficiency calcium removal device comprises an acetylene supernatant pool, a carbon dioxide absorption tower, a tail gas buffer tank, a solid-liquid separation device, a filter-pressing clean water pool and an acetylene clean water pool, wherein a liquid inlet pipeline is fixedly communicated between an outlet of the acetylene supernatant pool and an inlet at the upper part of the carbon dioxide absorption tower, a first gas inlet pipeline is fixedly communicated with an inlet of the tail gas buffer tank, a second gas inlet pipeline is fixedly communicated between an outlet of the tail gas buffer tank and an inlet at the lower part of the carbon dioxide absorption tower, a first feed liquid conveying pipeline is fixedly communicated between an outlet at the bottom of the carbon dioxide absorption tower and an inlet of the solid-liquid separation device, a second feed liquid conveying pipeline is fixedly communicated between a liquid outlet of the solid-liquid separation device and an inlet of the filter-pressing clean water pool, a third feed liquid conveying pipeline is fixedly communicated between an outlet of the filter-pressing clean water pool and an inlet of the acetylene clean water pool, a fourth feed liquid conveying pipeline is fixedly communicated with an outlet of the acetylene clean water pool, the top of the carbon dioxide absorption tower is fixedly communicated with a vent pipeline.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the solid-liquid separation device is a plate-and-frame filter press, a second feed liquid conveying pipeline is fixedly communicated between a first liquid-phase outlet of the plate-and-frame filter press and an inlet of a filter-press clean water tank, and a fifth feed liquid conveying pipeline is fixedly communicated between a second liquid-phase outlet of the plate-and-frame filter press and the second feed liquid conveying pipeline.
And a tail gas booster is fixedly arranged on the second gas inlet pipeline.
And the liquid inlet pipeline, the first feed liquid conveying pipeline, the third feed liquid conveying pipeline and the fourth feed liquid conveying pipeline are all fixedly provided with conveying pumps.
The liquid inlet ends of the conveying pumps corresponding to the liquid inlet pipeline, the third liquid conveying pipeline and the fourth liquid conveying pipeline are fixedly provided with vacuum water diversion cylinders along the fluid direction.
The utility model has the advantages of reasonable and compact structure, convenient to use, it reduces calcium ion content to 5mg/L in with the acetylene supernatant, the utility model discloses the effectual problem that pipeline equipment scale deposit is many of having solved has improved the security of device, has guaranteed the even running of generator, simultaneously, rational utilization industry tail gas waste gas resource, has reduced the emission of carbon dioxide, has reached in the carbon and the purpose that carbon reduces discharging.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: the device comprises an acetylene supernatant pool 1, a carbon dioxide absorption tower 2, a tail gas buffer tank 3, a plate-and-frame filter press 4, a filter-pressing clean water pool 5, an acetylene clean water pool 6, a liquid inlet pipeline 7, a first gas inlet pipeline 8, a second gas inlet pipeline 9, a first liquid conveying pipeline 10, a second liquid conveying pipeline 11, a third liquid conveying pipeline 12, a fourth liquid conveying pipeline 13, a fifth liquid conveying pipeline 14, a tail gas booster 15, a conveying pump 16, a vacuum water guide cylinder 17 and a vent pipeline 18.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of each component is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in figure 1, the acetylene supernatant high-efficiency calcium removal device comprises an acetylene supernatant pool 1, a carbon dioxide absorption tower 2, a tail gas buffer tank 3, a solid-liquid separation device, a filter-pressing clean water pool 5 and an acetylene clean water pool 6, wherein a liquid inlet pipeline 7 is fixedly communicated between an outlet of the acetylene supernatant pool 1 and an upper inlet of the carbon dioxide absorption tower 2, a first air inlet pipeline 8 is fixedly communicated with an inlet of the tail gas buffer tank 3, a second air inlet pipeline 9 is fixedly communicated between an outlet of the tail gas buffer tank 3 and a lower inlet of the carbon dioxide absorption tower 2, a first feed liquid conveying pipeline 10 is fixedly communicated between a bottom outlet of the carbon dioxide absorption tower 2 and an inlet of the solid-liquid separation device, a second feed liquid conveying pipeline 11 is fixedly communicated between a liquid outlet of the solid-liquid separation device and an inlet of the filter-pressing clean water pool 5, a third feed liquid conveying pipeline 12 is fixedly communicated between an outlet of the filter-pressing clean water pool 5 and an inlet of the acetylene clean water pool 6, the outlet of the acetylene clear water tank 6 is fixedly communicated with a fourth feed liquid conveying pipeline 13, and the top of the carbon dioxide absorption tower 2 is fixedly communicated with a vent pipeline 18.
The utility model discloses newly-increased carbon dioxide absorption tower 2, tail gas buffer tank 3, solid-liquid separation equipment, filter-pressing clean water basin 5 and acetylene clean water basin 6 and corresponding supporting pipeline, the tail gas that contains carbon dioxide that will contain the high supernatant of calcium ion content and cement plant emission carries out abundant reaction absorption in sending to carbon dioxide absorption tower 2, gas after the reaction is discharged through blow-down pipe line 18, the solid-liquid separation carries out among sending to solid-liquid separation equipment including the solid calcium carbonate solution that obtains after the reaction, the solid calcium carbonate that obtains sends the processing outward, the clear water that obtains is sent to generator mesocycle and is used.
In the production process of acetylene by using the existing calcium carbide wet method, the supernatant obtained after the precipitation separation of calcium carbide slag slurry is directly sent to a generator for recycling, and the calcium ion content of the supernatant is about 450mg/L and contains solid suspended matters.
The utility model discloses before reforming transform, the supernatant is when using to the generator circulation through the pipe-line transportation, reduces the pipe diameter at the inside scale deposit of piping installation easily, influences the water yield that adds of generator to cause the inside scale deposit of each gaseous phase mouth of pipe of generator and mud washer, cause the generator to appear phenomenon such as excess temperature, superpressure in the operation process, be unfavorable for generator safe and stable operation. The suspended solid deposits in the supernatant fluid in the clear liquid pool, occupies the pool volume, increases the cleaning difficulty, and simultaneously shortens the maintenance cycle of the equipment pipeline, increases the maintenance frequency of the equipment pipeline, increases the operation risk, then increases the maintenance cost, indirectly influences the PVC output, and causes economic loss.
The utility model discloses transform the back, drop into in the normal production for calcium ion content reduces to 5mg/L in the supernatant, has solved the generator that causes because of pipeline equipment scale deposit and has appeared overtemperature, superpressure scheduling problem in the operation process, simultaneously, has prolonged the equipment pipeline maintenance cycle, reduces the equipment pipeline maintenance frequency, has reduced cost of maintenance then, reduces indirect economic loss 120 ten thousand yuan. The utility model discloses the effectual problem of having solved the piping installation scale deposit many has improved the security of device, has guaranteed the even running of generator, simultaneously, rational utilization industrial tail gas waste gas resource, has reduced the emission of carbon dioxide, has reached carbon neutralization, carbon emission reduction's purpose.
The acetylene supernatant high-efficiency calcium removal device can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, the solid-liquid separation device is a plate-and-frame filter press 4, a second feed liquid conveying pipeline 11 is fixedly communicated between a first liquid-phase outlet of the plate-and-frame filter press 4 and an inlet of a filter press clean water tank 5, and a fifth feed liquid conveying pipeline 14 is fixedly communicated between a second liquid-phase outlet of the plate-and-frame filter press 4 and the second feed liquid conveying pipeline 11.
As shown in fig. 1, a tail gas booster 15 is fixedly mounted on the second intake line 9. During use, the tail gas is sent to the carbon dioxide absorption column 2 by a tail gas booster 15 maintaining a constant pressure.
As shown in fig. 1, a feed pump 16 is fixedly installed on the liquid inlet pipeline 7, the first feed liquid conveying pipeline 10, the third feed liquid conveying pipeline 12 and the fourth feed liquid conveying pipeline 13.
As shown in fig. 1, in the fluid direction, the liquid inlet ends of the delivery pumps 16 corresponding to the liquid inlet pipeline 7, the third liquid conveying pipeline 12 and the fourth liquid conveying pipeline 13 are fixedly provided with vacuum water diversion cylinders 17. During use, the vacuum water guide barrel 17 can assist the normal starting and the rapid working of the delivery pump 16.
According to the requirement, the bottom of the carbon dioxide absorption tower 2 is set to be conical, the middle part of the carbon dioxide absorption tower 2 is provided with a tower tray, the tower tray is filled with filler, and the top of the carbon dioxide absorption tower 2 is provided with a vent pipeline 18. Through the arrangement, the bottom of the carbon dioxide absorption tower 2 is conical, and the solid calcium carbonate-containing solution can be completely sent to the plate-and-frame filter press 4 for filtration treatment. The carbon dioxide absorption tower 2 can also use a device commonly used in the prior art.
According to the needs, the utility model discloses equal fixed mounting has the valve that enables this device normal operating on each pipeline.
Above technical characteristics have constituted the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical characteristics according to actual need, satisfies the demand of different situation.
The utility model discloses best embodiment's use: the supernatant fluid (containing calcium ion about 450mg/L and suspended solid) of the carbide slag slurry is sent to the upper part of a carbon dioxide absorption tower 2 through a liquid inlet pipeline 7, the tail gas containing carbon dioxide from a cement plant enters a tail gas buffer tank 3 through a first gas inlet pipeline 8 for temporary storage, the tail gas is sent to the lower part of the carbon dioxide absorption tower 2 through a second gas inlet pipeline 9, the supernatant fluid and the carbon dioxide gas are fully reacted and absorbed in the carbon dioxide absorption tower 2, the gas after reaction is discharged to a waste gas discharge point through a vent pipeline 18, the solution containing solid calcium carbonate obtained after reaction is sent to a plate-and-frame filter press 4 through a first feed liquid conveying pipeline 10 for filtration and separation, the content of calcium ion in the obtained clear water is 5mg/L, the obtained clear water is sent to a filter press clear water tank 5 through a second feed liquid conveying pipeline 11, and the obtained calcium carbonate is sent out through a solid phase outlet of a solid-liquid separation device for treatment, clear water in the filter-pressing clear water tank 5 is conveyed to the acetylene clear water tank 6 for temporary storage through a third feed liquid conveying pipeline 12, and clear water in the acetylene clear water tank 6 is conveyed to the generator for use through a conveying pump 16.
Claims (8)
1. An acetylene supernatant high-efficiency calcium removal device is characterized by comprising an acetylene supernatant pool, a carbon dioxide absorption tower, a tail gas buffer tank, a solid-liquid separation device, a filter-pressing clean water pool and an acetylene clean water pool, wherein a liquid inlet pipeline is fixedly communicated between an outlet of the acetylene supernatant pool and an inlet at the upper part of the carbon dioxide absorption tower, a first gas inlet pipeline is fixedly communicated with an inlet of the tail gas buffer tank, a second gas inlet pipeline is fixedly communicated between an outlet of the tail gas buffer tank and an inlet at the lower part of the carbon dioxide absorption tower, a first material liquid conveying pipeline is fixedly communicated between an outlet at the bottom of the carbon dioxide absorption tower and an inlet of the solid-liquid separation device, a second material liquid conveying pipeline is fixedly communicated between a liquid outlet of the solid-liquid separation device and an inlet of the filter-pressing clean water pool, a third material liquid conveying pipeline is fixedly communicated between an outlet of the filter-pressing clean water pool and an inlet of the acetylene clean water pool, a fourth material liquid conveying pipeline is fixedly communicated with an outlet of the acetylene clean water pool, the top of the carbon dioxide absorption tower is fixedly communicated with a vent pipeline.
2. The device for efficiently removing calcium from acetylene supernatant according to claim 1, wherein the solid-liquid separation device is a plate-and-frame filter press, a second feed liquid conveying pipeline is fixedly communicated between a first liquid-phase outlet of the plate-and-frame filter press and an inlet of a filter press clean water tank, and a fifth feed liquid conveying pipeline is fixedly communicated between a second liquid-phase outlet of the plate-and-frame filter press and the second feed liquid conveying pipeline.
3. The acetylene supernatant high-efficiency calcium removal device according to claim 1 or 2, wherein a tail gas booster is fixedly installed on the second gas inlet pipeline.
4. The acetylene supernatant high-efficiency calcium removal device according to claim 1 or 2, characterized in that a delivery pump is fixedly arranged on each of the liquid inlet pipeline, the first liquid delivery pipeline, the third liquid delivery pipeline and the fourth liquid delivery pipeline.
5. The efficient acetylene supernatant calcium removal device according to claim 3, wherein the liquid inlet pipeline, the first liquid conveying pipeline, the third liquid conveying pipeline and the fourth liquid conveying pipeline are all fixedly provided with conveying pumps.
6. The efficient acetylene supernatant calcium removal device according to claim 1, 2 or 5, wherein vacuum water diversion cylinders are fixedly mounted at liquid inlet ends of the corresponding liquid inlet pipelines, the third liquid conveying pipeline and the fourth liquid conveying pipeline in the fluid direction.
7. The efficient acetylene supernatant calcium removal device according to claim 3, wherein vacuum water diversion cylinders are fixedly mounted at liquid inlet ends of the corresponding liquid inlet pipelines, the third liquid conveying pipeline and the fourth liquid conveying pipeline in the fluid direction.
8. The efficient acetylene supernatant calcium removal device according to claim 4, wherein vacuum water diversion cylinders are fixedly mounted at liquid inlet ends of the corresponding liquid inlet pipelines, the third liquid conveying pipeline and the fourth liquid conveying pipeline in the fluid direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220836480.5U CN217297741U (en) | 2022-04-12 | 2022-04-12 | High-efficient calcium device that removes of acetylene supernatant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220836480.5U CN217297741U (en) | 2022-04-12 | 2022-04-12 | High-efficient calcium device that removes of acetylene supernatant |
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| CN217297741U true CN217297741U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220836480.5U Active CN217297741U (en) | 2022-04-12 | 2022-04-12 | High-efficient calcium device that removes of acetylene supernatant |
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| CN (1) | CN217297741U (en) |
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- 2022-04-12 CN CN202220836480.5U patent/CN217297741U/en active Active
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