CN211420076U - Gas oil removing device - Google Patents
Gas oil removing device Download PDFInfo
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- CN211420076U CN211420076U CN201922176323.7U CN201922176323U CN211420076U CN 211420076 U CN211420076 U CN 211420076U CN 201922176323 U CN201922176323 U CN 201922176323U CN 211420076 U CN211420076 U CN 211420076U
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Abstract
The utility model relates to a coal gas deoiling device, including barrel, interior barrel, mist trap, defroster, head, leakage fluid dram one and baffle. The two end sockets are arranged at two ends of the cylinder body; the partition plate is arranged in the cylinder body between the gas inlet and the gas outlet; the inner cylinder and the cylinder are coaxially arranged and fixed through a partition plate; the demister and the inner cylinder are coaxially arranged and fixedly connected with the partition plate through a flange; the mist catcher is arranged between the cylinder body and the inner cylinder body; the first liquid outlet is arranged on the partition plate. The beneficial effects are as follows: the gas can be removed with excessive washing oil through cyclone oil removal, cyclone plate oil removal, fiber demister oil removal and buffer space oil removal, thereby not only meeting the technical requirements of gas desulfurization, but also reducing the consumption of washing oil, reducing the equipment blockage failure rate and improving the gas desulfurization efficiency.
Description
Technical Field
The utility model relates to a coal gas washing device in the technical field of coal coking, in particular to a coal gas oil removing device.
Background
In the coking industry of China, vacuum carbonate desulfurization is one of the commonly used coal gas desulfurization methods. If too much washing oil is carried in the coal gas, not only can the consumption of the washing oil be large, but also the color of the circulating liquid is blackened and impurities are increased due to the washing oil contained in the desulfurization circulating liquid, and the blockage of system equipment is easy to cause and the desulfurization efficiency is influenced. The concrete points are as follows:
1) because the desulfurization solution contains more solid residues, the mechanical seal of the desulfurization solution delivery pump is frequently abraded and damaged by solid crystalline substances to cause channeling leakage;
2) the desulfurization tower has high running resistance, and solid crystals, slag and lumps are adhered to the filler and the grating of the desulfurization tower frequently during maintenance;
3) the vacuum pump body, the separation tank and the working fluid cooler are frequently blocked due to the enrichment and crystallization of oily substances, and the like.
The improved method is characterized in that a washing tower is added in front of a desulfurizing tower, clean water is used for washing and cooling inlet coal gas of the desulfurizing tower so as to reduce oil substances in the desulfurizing coal gas, but the cost is high.
SUMMERY OF THE UTILITY MODEL
For overcoming the prior art defect, the utility model provides a technical problem provides a coal gas deoiling device, and coal gas removes oil through whirlwind, whirl board deoiling, fibre defroster deoiling and buffering space deoiling, smugglies too much wash oil secretly in can detaching coal gas, not only satisfies coal gas desulfurization technical requirement, can reduce the wash oil consumption simultaneously, reduces equipment blocking fault rate, improves coal gas desulfurization efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coal gas oil removing device comprises a cylinder body, an inner cylinder body, a mist catcher, a demister, two seal heads, a first liquid outlet and a partition plate, and is characterized in that the two seal heads are fixedly connected with two ends of the cylinder body respectively, wherein the upper seal head is provided with a mounting port, and the lower seal head is provided with a liquid outlet; a manhole is arranged at the lower part of the left side of the cylinder body, a gas inlet is arranged at the middle upper part of the left side, and a gas outlet is arranged at the upper part of the right side; the baffle plate is arranged in the cylinder body between the gas inlet and the gas outlet, and divides the cylinder body into an upper cavity and a lower cavity; the inner cylinder and the cylinder are coaxially arranged and fixed through a partition plate; the demister and the inner cylinder are coaxially arranged and fixedly connected with the partition plate through a flange; the mist catcher is arranged between the cylinder body and the inner cylinder body; the first liquid outlet is arranged on the partition plate.
The demister adopts a lower-mounted fiber demister and is provided with a second liquid outlet.
The mist catcher adopts a downward-rotating type rotational flow plate structure.
The gas inlet is tangentially connected with the wall of the cylinder body.
A coal gas oil removing process comprises the following steps:
1) cyclone primary oil removal: the coal gas enters the lower cavity of the cylinder body from the coal gas inlet in a tangential direction, the coal gas is fed in a tangential direction, the coal gas changes from linear motion into circumferential rotation, liquid particles with high density are thrown to the inner wall of the cylinder body under the action of centrifugal force, and flow into the lower oil washing collecting space under the action of gravity;
2) secondary oil removal by the rotational flow plate: the gas after the preliminary oil removal moves downwards, and oil is further separated by a downward rotating type rotational flow plate mist catcher;
3) removing oil from the fiber demister for three times: the direction of the gas after secondary oil removal is changed to enter the inner cylinder body upwards, the gas passes through the fiber demister to remove small-particle washing oil, and the washing oil enters the lower washing oil collecting space through the second liquid outlet;
4) buffer space deoiling: and the gas after the third oil removal and purification enters the upper cavity gas buffer space from the inside of the fiber demister, a small amount of washing oil in the gas is removed again through the buffer space, the washing oil enters the lower washing oil collecting space through the first liquid outlet, and the purified gas is discharged from the gas outlet to go to the gas desulfurization process.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the coal gas is subjected to cyclone oil removal, cyclone plate oil removal, fiber demister oil removal and buffer space oil removal, so that excessive wash oil carried in the coal gas can be removed, the technical requirements of coal gas desulfurization are met, the consumption of the wash oil can be reduced, the equipment blockage failure rate is reduced, and the coal gas desulfurization efficiency is improved;
2) the coal gas oil removal device can omit a washing tower, thereby reducing the investment;
3) the device can ensure the stable operation of the gas desulfurization system;
4) simple structure and convenient operation.
Drawings
FIG. 1 is a schematic front view of the structure principle of the present invention;
fig. 2 is a schematic plan view of the structure principle of the present invention.
In the figure: 1-cylinder 2-gas inlet 3-inner cylinder 4-mist catcher 5-gas outlet 6-demister 7-seal head 8-liquid outlet I9-liquid outlet II 10-partition plate 11-mounting hole 12-manhole 13-liquid outlet
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-2, the utility model relates to a gas oil removing device, which comprises a cylinder 1, an inner cylinder 3, a mist catcher 4, a demister 6, two end sockets 7, a first liquid outlet 8 and a partition plate 10, wherein the two end sockets 7 are respectively and fixedly connected with two ends of the cylinder 1 to form an equipment shell, the upper end socket 7 is provided with a mounting port 11 for mounting and overhauling the demister 6, and the lower end socket 7 is provided with a liquid outlet 13; a manhole 12 is arranged at the lower part of the left side of the cylinder body 1, a gas inlet 2 is arranged at the middle upper part of the left side, and a gas outlet 5 is arranged at the upper part of the right side; the baffle plate 10 is arranged in the cylinder 1 between the gas inlet 2 and the gas outlet 5, and divides the cylinder 1 into an upper cavity and a lower cavity, and the upper cavity is a gas buffer space; the inner cylinder body 3 and the cylinder body 1 are coaxially arranged and fixed through a partition plate 10; the demister 6 and the inner cylinder 3 are coaxially arranged and fixedly connected with the partition plate 10 through a flange; the mist catcher 4 is arranged between the barrel body 1 and the inner barrel body 3, and a washing oil collecting space is reserved at the lower part of the mist catcher 4; the first liquid outlet 8 is arranged on the partition plate 10.
The demister 6 is a bottom-mounted fiber demister and is provided with a second liquid outlet 9.
The mist catcher 4 adopts a downward-rotating type rotational flow plate structure.
The coal gas inlet 2 is tangentially connected with the wall of the cylinder 1, and coal gas adopts a tangential feeding mode.
A coal gas oil removing process comprises the following steps:
1) cyclone primary oil removal: the coal gas tangentially enters a lower cavity of the cylinder 3 from a coal gas inlet 2, the coal gas is fed tangentially, the coal gas changes from linear motion into circumferential rotation, liquid particles with high density are thrown to the inner wall of the cylinder 1 under the action of centrifugal force, and flow into a lower oil washing collecting space under the action of gravity;
2) secondary oil removal by the rotational flow plate: the gas after the preliminary oil removal moves downwards, and oil is further separated through a lower-rotation type rotational flow plate mist catcher 4;
3) removing oil from the fiber demister for three times: the direction of the gas after secondary oil removal is changed to enter the inner cylinder 3 upwards, the gas passes through the fiber demister 6 to remove small-particle washing oil, and the washing oil enters the lower washing oil collecting space through the liquid outlet II 9;
4) buffer space deoiling: the gas after the third oil removal and purification enters the upper cavity gas buffer space from the inside of the fiber demister 6, a small amount of wash oil in the gas is removed again through the buffer space, the wash oil enters the lower wash oil collecting space through the first liquid outlet 8, the purified gas is discharged from the gas outlet 5 to remove a gas desulfurization process, the gas after oil removal can meet the technical requirements of gas desulfurization, meanwhile, the consumption of the wash oil can be reduced, the equipment blockage failure rate is reduced, and the gas desulfurization efficiency is improved.
Claims (4)
1. A coal gas oil removing device comprises a cylinder body, an inner cylinder body, a mist catcher, a demister, two seal heads, a first liquid outlet and a partition plate, and is characterized in that the two seal heads are fixedly connected with two ends of the cylinder body respectively, wherein the upper seal head is provided with a mounting port, and the lower seal head is provided with a liquid outlet; a manhole is arranged at the lower part of the left side of the cylinder body, a gas inlet is arranged at the middle upper part of the left side, and a gas outlet is arranged at the upper part of the right side; the baffle plate is arranged in the cylinder body between the gas inlet and the gas outlet, and divides the cylinder body into an upper cavity and a lower cavity; the inner cylinder and the cylinder are coaxially arranged and fixed through a partition plate; the demister and the inner cylinder are coaxially arranged and fixedly connected with the partition plate through a flange; the mist catcher is arranged between the cylinder body and the inner cylinder body; the first liquid outlet is arranged on the partition plate.
2. The gas oil removing device according to claim 1, wherein the demister is a bottom-mounted fiber demister and is provided with a second liquid outlet.
3. The gas oil removing device according to claim 1, wherein the mist catcher is of a downward-rotating type rotational flow plate structure.
4. The gas oil removal device of claim 1, wherein the gas inlet is tangentially connected to the wall of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176323.7U CN211420076U (en) | 2019-12-06 | 2019-12-06 | Gas oil removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176323.7U CN211420076U (en) | 2019-12-06 | 2019-12-06 | Gas oil removing device |
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| Publication Number | Publication Date |
|---|---|
| CN211420076U true CN211420076U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922176323.7U Active CN211420076U (en) | 2019-12-06 | 2019-12-06 | Gas oil removing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835557A (en) * | 2019-12-06 | 2020-02-25 | 中冶焦耐(大连)工程技术有限公司 | Gas oil removing device and process |
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2019
- 2019-12-06 CN CN201922176323.7U patent/CN211420076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835557A (en) * | 2019-12-06 | 2020-02-25 | 中冶焦耐(大连)工程技术有限公司 | Gas oil removing device and process |
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