CN218107197U - Gas-liquid separation device with large gas flow change - Google Patents
Gas-liquid separation device with large gas flow change Download PDFInfo
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- CN218107197U CN218107197U CN202222150517.1U CN202222150517U CN218107197U CN 218107197 U CN218107197 U CN 218107197U CN 202222150517 U CN202222150517 U CN 202222150517U CN 218107197 U CN218107197 U CN 218107197U
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Abstract
The utility model discloses a handle gasliquid separation that tolerance changes greatly. The device comprises a container, wherein a mixture inlet, a gas outlet, a heavy liquid outlet, a light liquid outlet group and a liquid level meter which is arranged outside a bottle body of the container and communicated with the inside of the container are arranged on the container, and an inlet baffle, a mist catcher, a liquid-solid separator, a liquid-liquid separator and a partition plate are arranged inside the container; the solid collecting area is positioned at the outer side of the bottom between the mist catcher and the partition plate, and the solid collecting area is provided with a liquid-solid outlet. The device of the utility model is simple in structure, convenient operation can realize the layering of heterogeneous mixture through the various separators in the container, reaches gaseous phase defogging effect.
Description
Technical Field
The utility model belongs to the technical field of the sulphur discarded object is refined, concretely relates to handle gas-liquid separation that tolerance changes greatly.
Background
The gas-liquid separation is widely applied to the fields of petroleum and chemical industry, and gas-liquid separation processes are used in the processes of removing gas and water in the petroleum exploitation through an oil-gas-water three-phase separator after the petroleum exploitation, removing tail gas demisting in the industrial tail gas desulfurization process and the like. With the development of gas-liquid separation technology, baffle-type gas-liquid separation is widely used in various industrial fields, but baffle-type gas-liquid separation has a range requirement on the gas velocity passing through a baffle plate, and can not achieve a good separation effect in a range higher than or lower than the gas velocity.
With the development of social productivity, the gas amount in the multiphase mixture of gas, liquid and solid is greatly changed or the gas amount is unknown in the design process. For such situations, it is necessary to adapt the gas-liquid separation process to the variation of the gas quantity or to the unknown gas quantity to the greatest extent.
At present, hydrogen sulfide is removed by wet oxidation-reduction methods such as a PDS desulfurization method, an ADA desulfurization method, a tannin extract desulfurization method, a complex iron desulfurization method and the like to obtain sulfur paste. If the sulfur paste is directly prepared into black sulfur by adopting a sulfur melting technology, the black sulfur is still solid hazardous waste, and the operation energy consumption is high, so that the black sulfur can only be used for preparing sulfuric acid. By using CS 2 、C 2 HCl 3 And CCl 4 The organic solvent extraction can obtain pure sulfur, but the used solvent has high toxicity and volatility, belongs to flammable and explosive substances, has a complex process, and still has the problems of safe production, high environmental pollution and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing a gas-liquid separation device with large gas processing amount change. Can be used for separating gas-liquid two-phase mixture and gas-liquid-solid three-phase or four-phase mixture in the fields of petroleum, chemical engineering and the like.
The utility model adopts the technical proposal that: a gas-liquid separation device with large change of gas handling capacity comprises a container, wherein a mixture inlet, a gas outlet, a heavy liquid outlet, a light liquid outlet group and a liquid level meter which is arranged outside a bottle body of the container and communicated with the inside of the container are arranged on the container, and an inlet baffle, a mist catcher, a liquid-solid separator, a liquid-liquid separator and a partition plate are arranged inside the container; the device comprises a container, a liquid-solid separator, a liquid-liquid separator, a mist catcher, a partition plate, a liquid level meter, a gas outlet, a solid collecting area and a solid collecting area, wherein the mixture inlet is positioned on one side of the container, the inlet baffle is positioned at the mixture inlet, the liquid-solid separator and the liquid-liquid separator are sequentially positioned behind the inlet baffle, the mist catcher is positioned behind the liquid-liquid separator, the partition plate is positioned behind the mist catcher, the liquid level meter is positioned outside a container body behind the partition plate, the light liquid outlet group is positioned between the mist catcher and the partition plate and is uniformly arranged, the gas outlet is positioned at the top of the container above the light liquid outlet group, the heavy liquid outlet is positioned at the bottom of the container on the lower side behind the partition plate, the solid collecting area is positioned outside the bottom between the mist catcher and the partition plate, and the solid collecting area is provided with a liquid-solid outlet.
In a further preferred configuration, the mist trap is positioned vertically at the front end of the gas outlet of the vessel by a set of baffles, covering 98% or more of the cross-sectional area of the gas passing through the vessel.
In a further preferred structure, the uncovered area of the mist trap of 2% or less is located at the bottom of the cross-section of the container.
The area of the gas passing through the mist trap can be adjusted between 5 and 95 percent of the cross section of the covered container, and the optimal range is between 10 and 90 percent.
Aiming at a gas-liquid separation system with two-phase liquid, the light liquid outlet group comprises a plurality of light liquid outlets, and light liquid is discharged from the light liquid outlet group corresponding to the liquid level height of the area required by the gas velocity of gas passing through the baffle plate mist catcher within the optimal separation gas velocity range.
In a further preferred structure, the lower end of the partition plate is aligned with the lower end of the mist catcher, and the upper end of the partition plate is spaced from the top end of the container by a height distance which is not more than the height distance from the highest control liquid level to the top end of the container.
The four-phase mixture of the utility model refers to gas, light liquid, heavy liquid and solid slag, namely the sulfur paste refining process of the sulfur paste containing liquid sulfur and cracking gas, light liquid and solid slag, which is obtained by thermal cracking of the sulfur paste, generates the four-phase mixture.
The utility model discloses at first through pyrolysis with the sulphur cream, detach a large amount of impurity wherein, and make the sulphur melting become liquid sulphur, further heat the vaporization with liquid sulphur again, detach solid-state impurity, then, carry out the condensation to gaseous state sulphur, obtain the liquid sulphur four-phase mixture that contains the gaseous phase smuggleing solid particle impurity secretly before pyrolysis noncondensable gas, schizolysis light liquid and the condensation. Under the condition that the amount of cracked gas is unknown, in order to reduce the entrainment amount of sulfur droplets in a gas phase and improve the sulfur recovery rate and the quality of liquid sulfur, an effective gas-liquid separation element and the like are required to be arranged to realize the separation of a four-phase mixture.
The utility model discloses following beneficial effect has:
1. the device of the utility model is simple in structure, through all kinds of separators in the container, can realize the layering of heterogeneous mixture, reach gaseous phase defogging effect.
2. The device of the utility model is simple in operation, through control container liquid level height, guarantee gaseous air speed through the mist catcher is at best separation air speed within range, can reach gas-liquid separation's effect. Realize the good separation of gas, light liquid and heavy liquid.
3. The utility model discloses can handle the tolerance and account for two, three, four phase mixture that change between the total amount 10 ~ 90%.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a gas-liquid two-phase separation apparatus;
FIG. 3 is a schematic top view of the gas-liquid flow direction with vertically disposed baffles.
In the figure, 1-mixture inlet; 2-an inlet baffle; 3-a mist catcher; 4-liquid-solid separator; 5-liquid separator; 6-a separator; 7-gas outlet; 8-a liquid level meter; 9-a solid concentration zone; 10-heavy liquid outlet; 11-a liquid-solid outlet; 12-light liquid outlet group.
Detailed Description
The invention will be further described in detail with reference to the drawings and the following detailed description, which are provided for the purpose of clearly understanding the invention and are not intended to limit the invention.
As shown in fig. 1-3, the present invention comprises a container, wherein the container is provided with a mixture inlet 1, a gas outlet 7, a heavy liquid outlet 10, a light liquid outlet group 12, and a liquid level meter 8 which is arranged outside the bottle body of the container and is communicated with the inside of the container, and the inside of the container is provided with an inlet baffle 2, a mist catcher 3, a liquid-solid separator 4, a liquid-liquid separator 5 and a partition 6; the device comprises a mixture inlet 1, an inlet baffle 2, a liquid-solid separator 4, a liquid-liquid separator 5, a mist catcher 3, a partition plate 6, a liquid level meter 8, a light liquid outlet group 12, a gas outlet 7, a heavy liquid outlet 10, a solid collecting area 9, a liquid-solid outlet 11 and a liquid-solid separating device, wherein the mixture inlet 1 is positioned on one side of a container, the inlet baffle 2 is positioned at the position of the mixture inlet 1, the liquid-solid separator 4 and the liquid-liquid separator 5 are sequentially positioned behind the inlet baffle 2, the mist catcher 3 is positioned behind the liquid-liquid separator 5, the partition plate 6 is positioned behind the mist catcher 3, the liquid level meter 8 is positioned outside a container body behind the partition plate 6, the light liquid outlet group 12 is positioned between the mist catcher 3 and the partition plate 6 and is uniformly arranged, the gas outlet 7 is positioned at the top of the container above the light liquid outlet group 12, the heavy liquid outlet 10 is positioned at the bottom of the lower side behind the partition plate 6, the solid collecting area 9 is positioned at the outer side of the bottom between the mist catcher 3 and the partition plate 6, and the solid collecting area 9 is provided with the liquid-solid outlet 11.
The mist catcher 3 is vertically positioned at the front end of a gas outlet 7 of the container by a baffle group and covers 98 percent or more of the cross section area of gas passing through the container.
The uncovered area of the mist trap 3 of 2% and less is located at the bottom of the cross section of the container.
The area of the gas passing through the mist trap 3 can be adjusted between 5 and 95% of the cross-sectional area of the covered container, with an optimal range between 10 and 90%.
Aiming at a gas-liquid separation system with two-phase liquid, the light liquid outlet group 12 comprises a plurality of light liquid outlets, and light liquid is discharged from the light liquid outlet group 12 corresponding to the liquid level height of the area required by the gas velocity of the gas passing through the baffle plate mist catcher 3 within the optimal separation gas velocity range.
The lower end of the partition plate 6 is aligned with the lower end of the mist catcher 3, and the height distance from the upper end of the partition plate 6 to the top end of the container is not more than the highest control liquid level.
The utility model discloses the working process: gas-liquid-solid four-phase mixture enters the container from the mixture inlet 1, and after the impact force of the mixture at the outlet is relieved by the inlet baffle 2, the mixture is dispersed in the container; the gas above the liquid surface is discharged from a gas outlet 7 after tiny liquid drops in a gas phase are captured by the mist catcher 3; the liquid-solid separation of the liquid-solid two phases by the liquid-solid separator 4, the solid phase impacts the baffle plate of the liquid-solid separator 4 under the action of inertia force, the solid phase enters the bottom of the container downwards, finally enters the solid collecting area 9 and is discharged from the liquid-solid outlet 11; the liquid phase after liquid-solid separation passes through a liquid-liquid separator 5, and light liquid and heavy liquid respectively move to upper layer light liquid and lower layer heavy liquid; the upper layer light liquid is discharged from a light liquid outlet with a certain corresponding height in the light liquid outlet group 12; the lower layer heavy liquid passes through the bottom of the partition plate 6, enters the heavy liquid area, is controlled by the liquid level meter 8 in the liquid level and is discharged from the heavy liquid outlet 10.
When the gas quantity changes, the gas-liquid separation effect can be well realized only by adjusting the height of the liquid level in the container to be higher or lower through the valve 10 of the heavy liquid outlet and the corresponding relative high-low position of the light liquid outlet group 12 to ensure the gas velocity of the gas passing through the gas-liquid separation element.
Example 1:
the sulfur paste filtered by the coke oven gas complex iron desulfurization plate frame is subjected to thermal cracking, vaporization and recondensation to obtain 1000kg/h mixture consisting of liquid sulfur, non-condensable gas, asphalt oil and micro-solids, and the mixture enters from a mixture inlet 1 shown in figure 1 and has the effective volume of 2m 3 The mixture is buffered by the inlet baffle 2 against the impact energy of the mixture and then enters the separation zone of the vessel. The gas is demisted by the mist catcher 3 and then discharged from the gas outlet 7. If the gas separation liquid drop effect does not meet the design requirement, the liquid quantity of the heavy liquid outlet 10 is adjusted to enable the liquid level to rise or fall, the gas separation speed of the gas passing through the baffle plate mist catcher 3 is ensured, the gas-liquid separation effect is achieved, and the gas-liquid separation of the mixture with unknown gas quantity is realized. Meanwhile, the liquid-solid separator 4 and the liquid-liquid separator 5 realize the separation of liquid-solid and liquid-liquidThe sulfur obtained by the method is detected according to GB/T2449.1-2014 and is first-grade sulfur.
Example 2:
a gas-liquid two-phase mixture with gas content of 50V% enters a gas-liquid separation container with the diameter of 800mm from a mixture inlet 1 shown in figure 2, and the mixture enters a container separation area after the impact energy of the mixture is buffered by an inlet baffle plate 2. Because the working condition changes, the current gas flow is increased by 50 percent, therefore, the liquid level in the container is reduced only by increasing the flow of the liquid outlet 10, and the operation is carried out from the original stable operation of 400mm liquid level height to 240mm liquid level height. At this time, the new state operates stably, and the gas phase demisting effect meets the design requirements.
Those not described in detail in this specification are within the skill of the art.
Claims (5)
1. A gas-liquid separation device with large processing gas amount variation is characterized in that: the device comprises a container, wherein a mixture inlet (1), a gas outlet (7), a heavy liquid outlet (10), a light liquid outlet group (12) and a liquid level meter (8) are arranged on the container, the outside of a bottle body of the container is communicated with the inside of the container, and an inlet baffle (2), a mist catcher (3), a liquid-solid separator (4), a liquid-liquid separator (5) and a partition plate (6) are arranged in the container; the device comprises a mixture inlet (1), an inlet baffle plate (2), a liquid-solid separator (4), a liquid-liquid separator (5), a mist catcher (3), a partition plate (6), a liquid level meter (8), a light liquid outlet group (12), a gas outlet (7), a heavy liquid outlet (10), an integrated area (9), a liquid-solid outlet (11), a liquid-solid separator (4), a liquid-liquid separator (5), a liquid-solid separator (2), a mist catcher (3), a liquid-liquid separator (5), a partition plate (6), a liquid level meter (8), a partition plate (6), a light liquid outlet group (12), a gas outlet group (6), a light liquid outlet group (3), a partition plate (6), a gas outlet group (7), a heavy liquid outlet group (10), a solid collecting area (9), a gas collecting area (9), a solid collecting area (11), and a liquid-solid outlet (11).
2. A gas-liquid separator according to claim 1, wherein: the mist catcher (3) is vertically positioned at the front end of a gas outlet (7) of the container through a baffle group and covers 98 percent or more of the cross section area of gas passing through the container.
3. The gas-liquid separation device according to claim 1 or 2, wherein: the uncovered area of the mist catcher (3) is 2% or less and is positioned at the bottom of the section of the container.
4. A gas-liquid separator according to claim 1, wherein: the light liquid outlet group (12) comprises a plurality of light liquid outlets.
5. The gas-liquid separator according to claim 1, wherein: the lower end of the partition plate (6) is aligned with the lower end of the mist catcher (3), and the height distance from the upper end of the partition plate (6) to the top end of the container is not more than the highest control liquid level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222150517.1U CN218107197U (en) | 2022-08-16 | 2022-08-16 | Gas-liquid separation device with large gas flow change |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222150517.1U CN218107197U (en) | 2022-08-16 | 2022-08-16 | Gas-liquid separation device with large gas flow change |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337740A (en) * | 2022-08-16 | 2022-11-15 | 武汉国力通能源环保股份有限公司 | Gas-liquid separation method with large variation of treatment gas amount |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337740A (en) * | 2022-08-16 | 2022-11-15 | 武汉国力通能源环保股份有限公司 | Gas-liquid separation method with large variation of treatment gas amount |
| CN115337740B (en) * | 2022-08-16 | 2024-01-12 | 武汉国力通能源环保股份有限公司 | Gas-liquid separation method with large change of treatment gas quantity |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A gas-liquid separation device for handling large changes in gas volume Effective date of registration: 20230615 Granted publication date: 20221223 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN GUOLITONG ENERGY ENVIRONMENTAL PROTECTION CO.,LTD. Registration number: Y2023980043979 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |