CN215692762U - Raise dust processing system of acetylene preparation process - Google Patents
Raise dust processing system of acetylene preparation process Download PDFInfo
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- CN215692762U CN215692762U CN202122173780.8U CN202122173780U CN215692762U CN 215692762 U CN215692762 U CN 215692762U CN 202122173780 U CN202122173780 U CN 202122173780U CN 215692762 U CN215692762 U CN 215692762U
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Abstract
The utility model discloses a flying dust treatment system for an acetylene preparation process, which comprises a generator, an ash bin, a vacuum pump, a washing tower, a separator, a fan, a circulating pump, a slurry tank, a thickener and a reuse water tank, wherein the generator is connected with the ash bin; the slag outlet of the generator is connected with an inlet pipeline of an ash bin, a dust collecting device is arranged at a lower ash outlet of the ash bin, an outlet of the dust collecting device is connected with an inlet pipeline of a washing tower through a vacuum pump, a top gas outlet of the washing tower is connected with an inlet pipeline of a separator, an outlet of the separator is connected with an inlet pipeline of a fan, a drain outlet at the bottom of the washing tower is connected with an inlet pipeline of a slurry pool through a water pump, a supernatant outlet of the slurry pool is connected with an inlet pipeline of a thickener, an outlet of the thickener is connected with an inlet pipeline of a reuse water pool, and an upper water inlet of the washing tower is communicated with an outlet of a mother liquor pool of a polymerization process through a water inlet pipeline; the water outlet at the lower part of the washing tower is communicated with the water inlet pipeline at the middle part of the washing tower through a circulating pump.
Description
The technical field is as follows:
the utility model relates to the technical field of polyvinyl chloride, in particular to a dust treatment system for an acetylene preparation process.
Background art:
the production process flow of the polyvinyl chloride comprises an acetylene preparation process, a vinyl chloride synthesis conversion process and a polymerization process, wherein the acetylene preparation process comprises the steps of hydrolyzing calcium carbide in a generator to prepare acetylene, the calcium carbide slag after the calcium carbide is reacted in the generator enters a south ash bin and a north ash bin, a lower ash opening of the ash bin generates serious dust during the process of loading and transporting the calcium carbide slag, the lower ash opening is 100 meters away from an operation chamber, the serious influence on the field environment is caused, the loss rate of staff is increased due to environmental problems, two sets of cloth bag type dust removing devices are added in the early stage, the temperature of the field calcium carbide slag is higher, a cloth bag is very easy to block after the calcium carbide slag is pumped into the cloth bag type dust removing devices, and the effect is very little.
The utility model has the following contents:
the utility model aims to provide a dust treatment system for an acetylene preparation process.
The utility model is implemented by the following technical scheme: the flying dust treatment system of the acetylene preparation process comprises a generator, an ash bin, a vacuum pump, a washing tower, a separator, a fan, a circulating pump, a slurry tank, a thickener and a reuse water tank;
the slag outlet of the generator is connected with an inlet pipeline of the ash bin, the lower ash port of the ash bin is provided with a dust collecting device, the outlet of the dust collecting device is connected with an inlet pipeline of the washing tower through the vacuum pump, the top gas outlet of the washing tower is connected with an inlet pipeline of the separator, the outlet of the separator is connected with an inlet pipeline of the fan, the bottom drain outlet of the washing tower is connected with an inlet pipeline of the slurry tank through a water pump, the supernatant outlet of the slurry tank is connected with an inlet pipeline of the thickener, the outlet of the thickener is connected with an inlet pipeline of the reuse water tank, and the upper water inlet of the washing tower is communicated with the outlet of the mother liquor tank of the polymerization process through a water inlet pipeline;
and a water outlet at the lower part of the washing tower is communicated with a water inlet pipeline at the middle part of the washing tower through the circulating pump.
Furthermore, a sampling pipe is arranged on a pipeline between the water outlet at the lower part of the washing tower and the inlet of the circulating pump.
Furthermore, a slag discharge port at the bottom of the thickener is connected with a slag discharge pipeline.
Furthermore, a drain outlet at the bottom of the generator is connected with an inlet pipeline of the slurry tank, and an outlet of the reuse water tank is connected with a water inlet pipeline of the generator.
Furthermore, a liquid level meter is arranged on the washing tower.
Furthermore, dust collecting device includes two both ends confined dust collecting tubes, two the dust collecting tube is fixed the setting respectively and is in the lower grey mouth both sides in grey storehouse, the dust collecting tube is close to evenly seted up a plurality of edges on the pipe wall of the lower grey mouth one side in grey storehouse the air inlet that the length direction of dust collecting tube set up, be equipped with on the dust collecting tube dust collecting device's export.
The utility model has the advantages that: the system uses a physical method for dedusting, collects air containing dust on site, and makes the air enter a washing tower, and a circulating pump pumps washing liquid out of the bottom of the washing tower and into the top of the washing tower, the washing liquid sprays out a water curtain wall in the tower, and the water curtain can wash off solid dust particles in the air, so that the content of the solid particles in the air is reduced; an operator is arranged in the area between the two dust collecting pipes, and the dust collecting device solves the problem of dust raising and ensures the environmental sanitation and personal health of work.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the utility model;
in the figure: the device comprises a generator 1, an ash bin 2, a vacuum pump 3, a washing tower 4, a separator 5, a fan 6, a circulating pump 7, a slurry pool 8, a thickener 9, a reuse water pool 10, an ash discharge port 11, a dust collecting device 12, a dust collecting pipe 121, an air inlet 122, a water pump 13, a water inlet pipeline 14, a mother liquor pool 15 of a polymerization process, a liquid level meter 16, a sampling pipe 17, a slag discharge pipeline 18 and an outlet 19 of the dust collecting device.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the flying dust treatment system of the acetylene preparation process comprises a generator 1, an ash bin 2, a vacuum pump 3, a washing tower 4, a separator 5, a fan 6, a circulating pump 7, a slurry tank 8, a thickener 9 and a reuse water tank 10;
the slag outlet of the generator 1 is connected with the inlet pipeline of the ash bin 2, the lower ash outlet 11 of the ash bin 2 is provided with a dust collecting device 12, the outlet 19 of the dust collecting device is connected with the inlet pipeline of the washing tower 4 through the vacuum pump 3, the top gas outlet of the washing tower 4 is connected with the inlet pipeline of the separator 5, the outlet of the separator 5 is connected with the inlet pipeline of the fan 6, the moisture in the gas is separated through the separator 5 and then is exhausted through the fan 6, the bottom drain outlet of the washing tower 4 is connected with the inlet pipeline of the slurry tank 8 through the water pump 13, the supernatant outlet of the slurry tank 8 is connected with the inlet pipeline of the thickener 9, the outlet of the thickener 9 is connected with the inlet pipeline of the reuse water tank 10, the upper water inlet of the washing tower 4 is communicated with the outlet of the mother liquor tank 15 of the polymerization process through the water inlet pipeline 14, the washing tower 4 is provided with a liquid level meter 16, and the liquid level meter 16 is used for judging that the water quantity of the washing tower 4 is periodically discharged, the water inlet at the upper part of the washing tower 4 is communicated with the second spraying device inside the washing tower 4, and the mother liquor in the mother liquor pool washes the air containing dust in the washing tower 4. A water outlet at the lower part of the washing tower 4 is communicated with a water inlet at the middle part of the washing tower 4 through a circulating pump 7, a water inlet at the middle part of the washing tower 4 is communicated with a first spraying device inside the washing tower 4, dust is removed by using a physical method, air containing dust on site is collected, the air enters the washing tower 4, washing liquid is pumped out from the bottom of the washing tower 4 through the circulating pump 7 and is pumped into the top of the washing tower 4, a water curtain wall is sprayed in the tower by using three splashing type nozzles of the first spraying device and the second spraying device, solid dust particles in the air can be washed by the water curtain, and the content of the solid particles in the air is reduced.
A sampling pipe 17 is arranged on a pipeline between a water outlet at the lower part of the washing tower 4 and an inlet of the circulating pump 7, the sampling pipe 17 is used for sampling periodically, the quality of circulating washing water in the washing tower 4 is judged according to the sampling result, and the unqualified solid content of the water quality is discharged to the slurry tank 8 in time.
The slag discharging port at the bottom of the thickener 9 is connected with a slag discharging pipeline 18, and slag slurry deposited at the bottom of the slag slurry pool 8 is periodically discharged to a filter pressing device.
The bottom drain outlet of the generator 1 is connected with the inlet pipeline of the slurry tank 8, the outlet of the reuse water tank 10 is connected with the water inlet pipeline of the generator 1, and water in the reuse water tank 10 is used for hydrolysis reaction of the generator 1, so that the water balance of normal production is maintained.
The specific operation process of the embodiment is as follows:
a dust collecting device 12 is arranged at a lower dust opening 11 of the dust bin 2, dust-containing air is collected by two dust collecting pipes 121 of the dust collecting device 12, and is sent into a washing tower 4 for spraying under the action of a vacuum pump 3, and is washed by water mist, enters a separator 5, moisture in the air is separated out, and then is emptied by a fan 6; the spraying washing water is waste water from a mother liquor pool 15 of a polymerization process, is circularly washed in a washing tower 4 under the action of a circulating pump 7, the solid content of the washing water and a liquid level meter 16 are regularly observed according to an artificially-taken water sample, a part of the washing water is extracted to a slurry pool 8 and is conveyed to a thickener 9 to precipitate supernatant, and the supernatant enters a reuse water pool 10 and then is continuously used in a generator 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The raise dust treatment system of the acetylene preparation process is characterized by comprising a generator, an ash bin, a vacuum pump, a washing tower, a separator, a fan, a circulating pump, a slurry tank, a thickener and a reuse water tank;
the slag outlet of the generator is connected with an inlet pipeline of the ash bin, the lower ash port of the ash bin is provided with a dust collecting device, the outlet of the dust collecting device is connected with an inlet pipeline of the washing tower through the vacuum pump, the top gas outlet of the washing tower is connected with an inlet pipeline of the separator, the outlet of the separator is connected with an inlet pipeline of the fan, the bottom drain outlet of the washing tower is connected with an inlet pipeline of the slurry tank through a water pump, the supernatant outlet of the slurry tank is connected with an inlet pipeline of the thickener, the outlet of the thickener is connected with an inlet pipeline of the reuse water tank, and the upper water inlet of the washing tower is communicated with the outlet of the mother liquor tank of the polymerization process through a water inlet pipeline;
and a water outlet at the lower part of the washing tower is communicated with a water inlet pipeline at the middle part of the washing tower through the circulating pump.
2. A system for treating flying dust in an acetylene production process according to claim 1, wherein a sampling pipe is provided in a line between a lower water outlet of the scrubber and an inlet of the circulation pump.
3. A raise dust treatment system of acetylene preparation process according to claim 1, characterized in that the bottom slag discharge port of the thickener is connected with a slag discharge pipeline.
4. A raise dust treatment system for acetylene preparation process according to claim 1, characterized in that the bottom drain of the generator is connected with the inlet pipeline of the slurry tank, and the outlet of the reuse water tank is connected with the water inlet pipeline of the generator.
5. A system for treating flying dust in an acetylene production process according to claim 1, wherein a liquid level meter is provided in the scrubber.
6. A raise dust treatment system according to any one of claims 1 to 5, wherein the dust collecting device comprises two dust collecting pipes with two closed ends, the two dust collecting pipes are respectively and fixedly arranged at two sides of the lower dust opening of the dust bin, a plurality of air inlets are uniformly arranged on the pipe wall of one side of the dust collecting pipe close to the lower dust opening of the dust bin along the length direction of the dust collecting pipes, and the dust collecting pipes are provided with outlets of the dust collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122173780.8U CN215692762U (en) | 2021-09-08 | 2021-09-08 | Raise dust processing system of acetylene preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122173780.8U CN215692762U (en) | 2021-09-08 | 2021-09-08 | Raise dust processing system of acetylene preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215692762U true CN215692762U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122173780.8U Active CN215692762U (en) | 2021-09-08 | 2021-09-08 | Raise dust processing system of acetylene preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215692762U (en) |
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2021
- 2021-09-08 CN CN202122173780.8U patent/CN215692762U/en active Active
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