CN110975423A - Vertical wire mesh demister matched with refining and chemical equipment and gas-liquid separation facility - Google Patents
Vertical wire mesh demister matched with refining and chemical equipment and gas-liquid separation facility Download PDFInfo
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- CN110975423A CN110975423A CN202010072177.8A CN202010072177A CN110975423A CN 110975423 A CN110975423 A CN 110975423A CN 202010072177 A CN202010072177 A CN 202010072177A CN 110975423 A CN110975423 A CN 110975423A
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- wire mesh
- screen
- tank body
- silk screen
- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
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Abstract
The invention relates to the technical field of refining and chemical equipment, in particular to a vertical wire mesh demister and a gas-liquid separation facility which are matched with the refining and chemical equipment; comprises a tank body (1); a feed inlet (101) is formed in the top end of the upper part of the tank body (1); an air outlet (102) is formed in the upper end of one side of the tank body (1); an oil outlet (103) is formed in the lower end of one side of the tank body (1); a water outlet (104) is formed in the top end of the lower part of the tank body (1); the upper end in the tank body (1) is provided with a silk screen assembly (2); the upper part of the silk screen assembly (2) is sequentially provided with an upper grid plate (105) and an upper positioning plate (106); the upper positioning plate (106) is welded with the inner surface of the tank body (1); the lower part of the silk screen assembly (2) is sequentially provided with a lower grid plate (107) and a lower positioning plate (108); the lower positioning plate (108) is welded with the inner surface of the tank body (1); the lower end in the tank body (1) is provided with a coagulation device (3).
Description
Technical Field
The invention relates to the technical field of refining and chemical equipment, in particular to a vertical wire mesh demister and a gas-liquid separation facility matched with the refining and chemical equipment.
Background
In the production flow of oil refining chemical industry, gas-liquid separation is an important part of a plurality of production processes, and is directly related to the process operation, equipment protection and production cost of a production device. In the production process, the less the gas phase liquid is carried, the more stable the production operation is, the better the protection on a compressor and the like is, the smaller the influence on the parameters of instruments is, the circulation is reduced, and the production cost is saved. Therefore, how to improve the separation efficiency is always a concern in the production process. In the separation equipment, the gas phase liquid removal effective part for separation is a metal net material, and a large amount of liquid drops carried in high-speed gas phase are removed through effective impact condensation. In existing plants, a plurality of layers of web material of the same density are generally used, which, when the thickness and density of the web material increase, contribute to increasing the dry gas rate, but increase the pressure drop accordingly; on the contrary, the thickness and density of the wire mesh are reduced, and the pressure drop can be reduced, but the separation and purification rate of the gas phase is affected.
The existing separation and purification silk screen device is composed of a silk screen, an upper fence plate and a lower fence plate which are overlapped layer by layer, the working mechanism is that a silk screen layer is arranged in a container body by virtue of the upper fence plate and the lower fence plate, when gas containing liquid foam or oil containing impurities such as water passes through the silk screen layer, liquid foam or water and other drops adhere to the silk screen under the combined action of wettability of the silk screen, capillary phenomenon and liquid surface tension, and are continuously gathered and condensed into larger drops, and when the gravity of the drops exceeds the gas buoyancy and the liquid surface tension, the drops automatically fall off and are deposited at the bottom of the container body, so that the separation, purification and removal operation of the liquid foam and the impurity drops is realized. In the existing silk screen separation device, multiple layers of silk screens are all silk screens with the same density, which is beneficial to improving the treatment quality of separation and purification when the density is higher, but can correspondingly increase the resistance of a silk screen layer body, so that gas and liquid generate larger pressure drop when flowing through; the density is reduced, but the pressure drop is reduced, which affects the treatment quality of separation and purification.
Disclosure of Invention
Aiming at the technical defects, the invention provides a vertical wire mesh demister and a gas-liquid separation facility matched with refining equipment, wherein the wire mesh assembly comprises a primary wire mesh, a middle-stage wire mesh and a high-stage wire mesh, and the density and the thickness of the primary wire mesh, the middle-stage wire mesh and the high-stage wire mesh are different, so that the gas-liquid medium can be separated step by step, the gas-liquid medium can be effectively separated, and the small flow resistance and the small pressure can be realized; main reinforcing rings are symmetrically arranged on two sides of the edge of the lower positioning plate; an auxiliary reinforcing ring is arranged at the edge of the upper part of the upper positioning plate, and the stable connection among the upper positioning plate, the lower positioning plate and the tank body is enhanced through the main reinforcing ring and the auxiliary reinforcing ring; adopt mutual dislocation stack between initial set silk screen and the end congeals the silk screen, carry out preliminary separation through making the gas-liquid medium earlier through the less initial set silk screen of density and purify, then separate once more through the great end congeals the silk screen of density and purify, through choosing for use the combination of the initial set silk screen that the thickness is the same and the end silk screen of congealing, can enough effectively reduce the fluid resistance, can make pressure reduction again, and can possess the porosity big, the silk screen contacts abundant characteristic with the gas-liquid medium, thereby guarantee the treatment quality of gas-liquid medium.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: comprises a tank body; a feed inlet is formed in the top end of the upper part of the tank body; an air outlet is formed in the upper end of one side of the tank body; an oil outlet is formed in the lower end of one side of the tank body; a water outlet is formed in the top end of the lower part of the tank body; a wire mesh assembly is arranged at the upper end in the tank body; the upper part of the silk screen assembly is sequentially provided with an upper grating plate and an upper positioning plate; the upper positioning plate and the inner surface of the tank body are welded; the lower part of the silk screen assembly is sequentially provided with a lower grating plate and a lower positioning plate; the lower positioning plate is welded with the inner surface of the tank body; and a condensing device is arranged at the lower end in the tank body.
Further optimizing the technical scheme, the screen assembly comprises a primary screen, a middle screen and a high-grade screen; a primary wire mesh is arranged at the upper part of the middle wire mesh; the lower part of the middle-grade silk screen is provided with a high-grade silk screen; the upper surface of the primary screen is in surface contact with the lower surface of the lower grating plate; the lower surface of the high-grade silk screen is in surface contact with the upper surface of the lower grating plate.
Further optimizing the technical scheme, the thickness ratio among the primary silk screen, the intermediate silk screen and the high-grade silk screen is 2: 5: 3.
further optimizing the technical scheme, the density ratio among the primary silk screen, the intermediate silk screen and the high-grade silk screen is 2: 3: 5.
further optimizing the technical scheme, the primary wire mesh, the middle wire mesh and the high wire mesh are arranged in a staggered mode.
The technical scheme is further optimized, the primary silk screen, the middle-grade silk screen and the high-grade silk screen are in rotary dislocation, and the rotating angle is 100-130 degrees.
Further optimizing the technical scheme, main reinforcing rings are symmetrically arranged on two sides of the edge of the lower positioning plate; and the edge of the upper part of the upper positioning plate is provided with an auxiliary reinforcing ring.
Further optimizing the technical scheme, the condensing device comprises support angle steel, a support ring beam, an initial condensing screen and a final condensing screen; the initial coagulation wire mesh and the final coagulation wire mesh are vertically arranged in the middle position in the tank body; support ring beams are symmetrically arranged on two sides of the initial coagulation wire mesh and the final coagulation wire mesh; a plurality of groups of supporting angle steels are uniformly arranged outside the supporting ring beam; and two ends of the supporting angle steel are respectively connected with the inner surface of the tank body through bolts.
Further optimizing the technical scheme, the initial coagulation wire mesh and the final coagulation wire mesh are overlapped in a staggered mode; the thickness of the initial coagulation silk screen is consistent with that of the final coagulation silk screen; the density of the initial set screen is lower than that of the final set screen.
Further optimizing the technical scheme, the mutual dislocation superposition can be rotation dislocation superposition, and the rotation angle is 100-130 degrees.
Compared with the prior art, the invention has the following advantages: 1. the silk screen assembly comprises a primary silk screen, a middle-stage silk screen and a high-stage silk screen, and the gas-liquid medium can be separated step by utilizing the different densities and thicknesses among the primary silk screen, the middle-stage silk screen and the high-stage silk screen, so that the gas-liquid medium can be effectively separated, and the small flow resistance and the small pressure can be realized; 2. main reinforcing rings are symmetrically arranged on two sides of the edge of the lower positioning plate; an auxiliary reinforcing ring is arranged at the edge of the upper part of the upper positioning plate, and the stable connection among the upper positioning plate, the lower positioning plate and the tank body is enhanced through the main reinforcing ring and the auxiliary reinforcing ring; 3. adopt mutual dislocation stack between initial set silk screen and the end congeals the silk screen, carry out preliminary separation through making the gas-liquid medium earlier through the less initial set silk screen of density and purify, then separate once more through the great end congeals the silk screen of density and purify, through choosing for use the combination of the initial set silk screen that the thickness is the same and the end silk screen of congealing, can enough effectively reduce the fluid resistance, can make pressure reduction again, and can possess the porosity big, the silk screen contacts abundant characteristic with the gas-liquid medium, thereby guarantee the treatment quality of gas-liquid medium.
Drawings
FIG. 1 is a schematic sectional view of the entire structure of a vertical wire mesh demister and a gas-liquid separation facility for refining and chemical equipment.
In the figure: 1. a tank body; 2. a screen assembly; 3. a coalescing means; 101. a feed inlet; 102. an air outlet; 103. an oil outlet; 104. a water outlet; 105. an upper grid plate; 106. an upper positioning plate; 107. a lower grid plate; 108. a lower positioning plate; 109. a primary reinforcing ring; 110. a secondary reinforcing ring; 201. a primary screen; 202. a medium-grade silk screen; 203. a high-grade wire mesh; 301. supporting angle steel; 302. a support ring beam; 303. initially setting a silk screen; 304. and (5) solidifying the silk screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: as shown in the combination with fig. 1, comprises a tank body 1; a feeding hole 101 is formed in the top end of the upper part of the tank body 1; an air outlet 102 is formed in the upper end of one side of the tank body 1; an oil outlet 103 is formed in the lower end of one side of the tank body 1; a water outlet 104 is formed in the top end of the lower part of the tank body 1; the upper end in the tank body 1 is provided with a silk screen assembly 2; the upper part of the silk screen assembly 2 is sequentially provided with an upper grid plate 105 and an upper positioning plate 106; the upper positioning plate 106 is welded with the inner surface of the tank body 1; the lower part of the silk screen assembly 2 is sequentially provided with a lower grid plate 107 and a lower positioning plate 108; the lower positioning plate 108 and the inner surface of the tank body 1 are welded; the lower end in the tank body 1 is provided with a coagulation device 3; the screen assembly 2 comprises a primary screen 201, a middle screen 202 and a high screen 203; the upper part of the middle-grade silk screen 202 is provided with a primary silk screen 201; the lower part of the middle-grade silk screen 202 is provided with a high-grade silk screen 203; the upper surface of the primary screen 201 is in surface contact with the lower surface of the lower grid plate 107; the lower surface of the high-grade wire mesh 203 is in surface contact with the upper surface of the lower grating plate 107; the thickness ratio among the primary screen 201, the middle screen 202 and the high-grade screen 203 is 2: 5: 3; the density ratio among the primary screen 201, the middle screen 202 and the high screen 203 is 2: 3: 5; the primary silk screen 201, the middle-grade silk screen 202 and the high-grade silk screen 203 are arranged in a staggered mode; the primary silk screen 201, the middle-grade silk screen 202 and the high-grade silk screen 203 are in rotary dislocation, and the rotation angle is 100-130 degrees; main reinforcing rings 109 are symmetrically arranged on two sides of the edge of the lower positioning plate 108; the upper edge of the upper positioning plate 106 is provided with a secondary reinforcing ring 110; the coagulation device 3 comprises support angle steel 301, a support ring beam 302, an initial coagulation wire mesh 303 and a final coagulation wire mesh 304; the initial coagulation wire mesh 303 and the final coagulation wire mesh 304 are vertically arranged in the central position in the tank body 1; support ring beams 302 are symmetrically arranged on two sides of the initial coagulation wire mesh 303 and the final coagulation wire mesh 304; a plurality of groups of support angle steels 301 are uniformly arranged outside the support ring beam 302; two ends of the support angle steel 301 are respectively connected with the inner surface of the tank body 1 through bolts; the initial coagulation wire mesh 303 and the final coagulation wire mesh 304 are overlapped in a staggered mode; the thickness of the initial coagulation wire mesh 303 is consistent with that of the final coagulation wire mesh 304; the density of the initial coagulation wire mesh 303 is lower than that of the final coagulation wire mesh 304; the mutually staggered superposition can be a rotation staggered superposition, and the rotation angle is 100-130 degrees.
In use, as shown in fig. 1, when a user uses the vertical wire mesh demister and the gas-liquid separation facility manufactured by the present invention, the gas-liquid medium enters the tank body 1 through the feed inlet 101, then enters the wire mesh assembly 2 through the upper grid plate 105 and the upper positioning plate 106, and then gradually passes through the primary wire mesh 201, the middle wire mesh 202 and the high wire mesh 203, so that the gas-liquid medium is separated for a plurality of times, because the primary wire mesh 201, the middle wire mesh 202 and the high wire mesh 203 are rotatably arranged, the contact area between the gas-liquid medium and the primary wire mesh 201, the middle wire mesh 202 and the high wire mesh 203 is increased, the gas medium is discharged through the gas outlet 102, and the separated liquid medium passes through the lower grid plate 107 and the lower positioning plate 108 and enters the lower portion of the tank body 1, so that the gas-liquid medium can be separated with small flow resistance and small pressure, and can be effectively separated, in order to ensure the stability of the gas-liquid separation facility, an auxiliary reinforcing ring 110 is arranged at the upper part of the upper positioning plate 106, and main reinforcing rings 109 are symmetrically arranged at two sides of the edge of the lower positioning plate 108, so that the contact areas of the upper positioning plate 106 and the lower positioning plate 108 with the inner surface of the tank body 1 are increased;
step two, as shown in fig. 1, the liquid medium passing through the screen assembly 2 first passes through the initial setting screen 303, and by using the structure of the initial setting screen 303 with smaller density, thereby further separating and purifying the liquid medium, and then passing the liquid medium through the non-condensing screen 304, utilizing the structure of the non-condensing screen 304 with higher density, so as to separate and purify the liquid medium again, discharge the oil body medium through the oil outlet 103, the water medium is deposited at the bottom of the tank body 1 due to the high density and is discharged through the water outlet 104, by adopting the initial coagulation wire mesh 303 and the final coagulation wire mesh 304 with consistent thickness, the flow resistance and the pressure of the defoaming and coagulating device 3 can be smaller during the use process, and has larger void ratio, so that the liquid medium can be fully contacted with the initial coagulation wire mesh 303 and the final coagulation wire mesh 304, thereby ensuring the treatment quality of separation and purification.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The vertical wire mesh demister matched with the refining and chemical equipment and the gas-liquid separation facility are characterized in that: comprises a tank body (1); a feed inlet (101) is formed in the top end of the upper part of the tank body (1); an air outlet (102) is formed in the upper end of one side of the tank body (1); an oil outlet (103) is formed in the lower end of one side of the tank body (1); a water outlet (104) is formed in the top end of the lower part of the tank body (1); the upper end in the tank body (1) is provided with a silk screen assembly (2); the upper part of the silk screen assembly (2) is sequentially provided with an upper grid plate (105) and an upper positioning plate (106); the upper positioning plate (106) is welded with the inner surface of the tank body (1); the lower part of the silk screen assembly (2) is sequentially provided with a lower grid plate (107) and a lower positioning plate (108); the lower positioning plate (108) is welded with the inner surface of the tank body (1); the lower end in the tank body (1) is provided with a coagulation device (3).
2. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 1, wherein: the screen assembly (2) comprises a primary screen (201), a medium-grade screen (202) and a high-grade screen (203); a primary wire mesh (201) is arranged at the upper part of the middle wire mesh (202); a high-grade silk screen (203) is arranged at the lower part of the middle-grade silk screen (202); the upper surface of the primary screen mesh (201) is in surface contact with the lower surface of the lower grid plate (107); the lower surface of the high-grade wire mesh (203) is in surface contact with the upper surface of the lower grating plate (107).
3. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 2, wherein: the thickness ratio among the primary screen (201), the middle-grade screen (202) and the high-grade screen (203) is 2: 5: 3.
4. the refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 2, wherein: the density ratio among the primary screen (201), the middle screen (202) and the high screen (203) is 2: 3: 5.
5. the refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 2, wherein: the primary silk screen (201), the middle-grade silk screen (202) and the high-grade silk screen (203) are arranged in a staggered mode.
6. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 5, wherein: the primary silk screen (201), the middle-grade silk screen (202) and the high-grade silk screen (203) are in rotary dislocation, and the rotating angle is 100-130 degrees.
7. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 1, wherein: main reinforcing rings (109) are symmetrically arranged on two sides of the edge of the lower positioning plate (108); and the upper edge of the upper positioning plate (106) is provided with a secondary reinforcing ring (110).
8. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 1, wherein: the coagulation device (3) comprises support angle steel (301), a support ring beam (302), an initial coagulation wire net (303) and a final coagulation wire net (304); the initial coagulation wire mesh (303) and the final coagulation wire mesh (304) are vertically arranged in the central position in the tank body (1); support ring beams (302) are symmetrically arranged on two sides of the initial coagulation wire mesh (303) and the final coagulation wire mesh (304); a plurality of groups of support angle steels (301) are uniformly arranged outside the support ring beam (302); and two ends of the support angle steel (301) are respectively connected with the inner surface of the tank body (1) through bolts.
9. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 8, wherein: the initial coagulation silk screen (303) and the final coagulation silk screen (304) are overlapped in a mutual staggered mode; the thickness of the initial coagulation screen (303) is consistent with that of the final coagulation screen (304); the initial set screen (303) has a density lower than that of the final set screen (304).
10. The refining and chemical equipment matched vertical wire mesh demister and gas-liquid separation facility as claimed in claim 9, wherein: the mutually staggered superposition can be a rotation staggered superposition, and the rotation angle is 100-130 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072177.8A CN110975423A (en) | 2020-01-21 | 2020-01-21 | Vertical wire mesh demister matched with refining and chemical equipment and gas-liquid separation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072177.8A CN110975423A (en) | 2020-01-21 | 2020-01-21 | Vertical wire mesh demister matched with refining and chemical equipment and gas-liquid separation facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110975423A true CN110975423A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010072177.8A Withdrawn CN110975423A (en) | 2020-01-21 | 2020-01-21 | Vertical wire mesh demister matched with refining and chemical equipment and gas-liquid separation facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110975423A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921320A (en) * | 2020-08-04 | 2020-11-13 | 广东韶钢松山股份有限公司 | Gas-liquid separator and acid gas mist catcher |
-
2020
- 2020-01-21 CN CN202010072177.8A patent/CN110975423A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921320A (en) * | 2020-08-04 | 2020-11-13 | 广东韶钢松山股份有限公司 | Gas-liquid separator and acid gas mist catcher |
| CN111921320B (en) * | 2020-08-04 | 2022-04-12 | 广东韶钢松山股份有限公司 | Gas-liquid separator and acid gas mist catcher |
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Application publication date: 20200410 |