CN205164197U - Cracking tar flash distillation dewatering device - Google Patents
Cracking tar flash distillation dewatering device Download PDFInfo
- Publication number
- CN205164197U CN205164197U CN201520955180.9U CN201520955180U CN205164197U CN 205164197 U CN205164197 U CN 205164197U CN 201520955180 U CN201520955180 U CN 201520955180U CN 205164197 U CN205164197 U CN 205164197U
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- CN
- China
- Prior art keywords
- flash tank
- lower clapboard
- baffle
- flash
- fuel oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model belongs to the technical field of the cracking tar flash distillation, especially, relate to a cracking tar flash distillation dewatering device, including the flash tank, the flash tank lateral wall is by the last feed inlet that has set gradually under to, steam port and lime set mouth, the flash tank upper end is provided with the export, the lower extreme is provided with the discharge gate, inside steam conduit and the silk screen demister of being provided with of flash tank, steam conduit one end links to each other with the steam port, the other end links to each other with the lime set mouth, the silk screen demister is located the top of feed inlet, silk screen demister below is provided with the conical baffle of going up, it is provided with conical baffle down to go up the baffle below, its upper end is provided with the opening, baffle bottom surface diameter and flash tank internal diameter equal down, the bottom surface diameter of going up the baffle is greater than baffle upper end open -ended diameter down, go up the baffle and be provided with the baffle down between the baffle, lower baffle and flash tank inner wall fixed connection. The utility model discloses can effectively reduce the content of moisture petroleum company of the people's republic of china, the dual foam that removes utilizes steam for heating source, energy -concerving and environment -protective advantage.
Description
Technical field
The utility model belongs to pyrolysis fuel oil flash evaporation technology field, particularly relates to a kind of pyrolysis fuel oil flash-evaporation dehydration device.
Background technology
The pyrolysis fuel oil that ethylene unit by-product is a large amount of, in prior art, flash vessel is to the limitation of cracking dehydration of tar, makes pyrolysis fuel oil in dehydration, carries too much oil content secretly and to enter into after dehydration after system, cause material consumption higher in moisture.After oil content enters into vacuum system, vacuum system vacuum is declined, have a strong impact on the stability of rear rectifier unit operation and the quality of product.
Summary of the invention
The purpose of this utility model is to solve prior art pyrolysis fuel oil in dehydration, carry too much oil content in moisture secretly and enter into the rear system of dehydration, affect plant running to stablize and the problem of product quality, a kind of pyrolysis fuel oil flash-evaporation dehydration device reducing oil content in moisture is provided.
The technical scheme that the utility model adopts is:
A kind of pyrolysis fuel oil flash-evaporation dehydration device, comprise flash tank, described flash tank sidewall is disposed with charging aperture from top to bottom, steam port and lime set mouth, described flash tank upper end is provided with upper outlet, lower end is provided with discharging opening, described flash tank inside is provided with jet chimney and wire mesh demister, described jet chimney one end is connected with steam port, the other end is connected with lime set mouth, described wire mesh demister is positioned at the top of charging aperture, upper spacer is provided with below described wire mesh demister, described upper spacer is conical, lower clapboard is provided with below upper spacer, described lower clapboard is conical, its upper end is provided with opening, described lower clapboard basal diameter is equal with flash tank internal diameter, the basal diameter of described upper spacer is less than the basal diameter of lower clapboard and is greater than the diameter of lower clapboard upper end open, guide plate is provided with between upper spacer and lower clapboard, described lower clapboard is positioned at above charging aperture, described lower clapboard is fixedly connected with flash tank inwall.
Described jet chimney is helical form.
Outer, bottom surface and the flash tank inwall of described lower clapboard adopt full weld to weld.
Described guide plate is six pieces, and six pieces of guide plates are uniformly distributed around the axis of flash tank.
The cone angle of described upper spacer and lower clapboard is 1500.
Described guide plate contacts with lower clapboard opening part, and the angle between the tangential direction at contact place and guide plate direction is 300.
The beneficial effects of the utility model are:
1. wire mesh demister plays Main Function to the foam abolished in flash tank, the jet chimney that flash tank inside is arranged is helical form, the heating surface (area) (HS of steam source can be increased, steam in jet chimney can be used as the heating source of flash tank, described jet chimney one end is connected with steam port, the other end is connected with lime set mouth, and lime set mouth facilitates the discharge after steam liquefied;
2. the basal diameter of upper spacer is greater than the diameter of lower clapboard upper end open, prevent moisture from falling into material from opening part, outer, bottom surface and the flash tank inwall of lower clapboard adopt full weld to weld, strengthen the intensity of equipment on the one hand, effectively prevent on the other hand the moisture above dividing plate from again entering into material below dividing plate, again, the loss of the heat in the space of below lower clapboard is decreased;
3. arrange six pieces of guide plates between upper spacer and lower clapboard, six pieces of guide plates are uniformly distributed around the axis of flash tank, and form space between each guide plate, and lower clapboard upper end is provided with opening, the moisture that can conveniently flash off upwards circulates;
4. the cone angle of dividing plate is set to 1500, and be convenient to the contact area increasing lower clapboard and material, and reach foam removal effect, the angle between the tangent line of guide plate and lower clapboard opening part and guide plate is 300, and entirety is helical form, can increase the trafficability performance of gas.
A kind of pyrolysis fuel oil flash-evaporation dehydration device that the utility model provides has the content effectively reducing oil in moisture, and dual foam removal, utilizes steam for heating source, the advantage of energy-conserving and environment-protective.
Accompanying drawing explanation
The structural representation of a kind of pyrolysis fuel oil flash-evaporation dehydration device that Fig. 1 provides for the utility model.
Fig. 2 is the structural representation of upper spacer, guide plate and lower clapboard position relationship.
Fig. 3 is the top view of Fig. 2.
In figure: 1, flash tank; 2, jet chimney; 3, lower clapboard; 4, guide plate; 5, upper spacer; 6, wire mesh demister; 101, upper outlet; 102, steam port; 103, discharging opening; 104, lime set mouth; 105, charging aperture.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
A kind of pyrolysis fuel oil flash-evaporation dehydration device as shown in Figure 1, comprise flash tank 1, flash tank 1 sidewall is disposed with charging aperture 105, steam port 102 and lime set mouth 104 from top to bottom, flash tank 1 upper end is provided with upper outlet 101, lower end is provided with discharging opening 103, flash tank 1 inside is provided with jet chimney 2 and wire mesh demister 6, jet chimney 2 is helical form, the contact area of jet chimney 2 and material can be increased, jet chimney 2 one end is connected with steam port 102, the other end is connected with lime set mouth 104, and wire mesh demister 6 is positioned at the top of charging aperture 105.
Upper spacer 5 is provided with below wire mesh demister 6, as Fig. 2, upper spacer shown in 3, the structural representation of guide plate and lower clapboard position relationship, upper spacer 5 is conical, lower clapboard 3 is provided with below upper spacer 5, lower clapboard 3 is conical, the cone angle of upper spacer 5 and lower clapboard 3 is 1500, be convenient to the contact area increasing lower clapboard 3 and material, and reach foam removal effect, its upper end is provided with opening, lower clapboard 3 basal diameter is equal with flash tank 1 internal diameter, the basal diameter of upper spacer 5 is less than the basal diameter of lower clapboard 3 and is greater than the diameter of lower clapboard 3 upper end open, prevent moisture from dropping into material from opening part, guide plate 4 is provided with between upper spacer 5 and lower clapboard 3, the present embodiment centering guide 4 is six pieces, six pieces of guide plates 4 are uniformly distributed around the axis of flash tank 1, every block guide plate 4 contacts with lower clapboard 3 opening part, angle between the tangential direction at contact place and guide plate 4 direction is 300, the direction of said guide plate 4 refers to the direction with above-mentioned tangent line line at grade on guide plate 4 herein, six pieces of guide plate 4 entirety are helical form, the trafficability performance of gas can be increased.Lower clapboard 3 is positioned at above charging aperture 105, and lower clapboard 3 is fixedly connected with flash tank 1 inwall.In the present embodiment, the outer, bottom surface of lower clapboard 3 adopts full weld to weld with flash tank 1 inwall, strengthens the intensity of equipment on the one hand; Effectively prevent on the other hand the moisture above lower clapboard 3 from again entering into material below lower clapboard 3, flash efficiency is had an impact; Again, prevent material from entering into lower clapboard more than 3 from lower clapboard less than 3, thus decrease the thermal loss in lower clapboard less than 3 space.
During concrete use, preheated pyrolysis fuel oil is by charging aperture 105 charging of flash tank 1, steam in jet chimney 2 is used for the heat source of this flash tank 1, pyrolysis fuel oil is in inner flash distillation, be separated with a small amount of light component by the moisture of flash tank 1 in the lower clapboard 3 set by inside and wire mesh demister 6 pairs of pyrolysis fuel oils, moisture and a small amount of light component enter next unit from flash tank upper outlet 101, after dehydration, heavy constituent enters next unit by material outlet, for the steam of heat source after jet chimney 2, discharge from lime set mouth 104.
Claims (6)
1. a pyrolysis fuel oil flash-evaporation dehydration device, comprise flash tank (1), described flash tank (1) sidewall is disposed with charging aperture (105) from top to bottom, steam port (102) and lime set mouth (104), described flash tank (1) upper end is provided with upper outlet (101), lower end is provided with discharging opening (103), it is characterized in that: described flash tank (1) inside is provided with jet chimney (2) and wire mesh demister (6), described jet chimney (2) one end is connected with steam port (102), the other end is connected with lime set mouth (104), described wire mesh demister (6) is positioned at the top of charging aperture (105), described wire mesh demister (6) below is provided with upper spacer (5), described upper spacer (5) is conical, upper spacer (5) below is provided with lower clapboard (3), described lower clapboard (3) is conical, its upper end is provided with opening, described lower clapboard (3) basal diameter is equal with flash tank (1) internal diameter, the basal diameter of described upper spacer (5) is less than the basal diameter of lower clapboard (3) and is greater than the diameter of lower clapboard (3) upper end open, guide plate (4) is provided with between upper spacer (5) and lower clapboard (3), described lower clapboard (3) is positioned at charging aperture (105) top, described lower clapboard (3) is fixedly connected with flash tank (1) inwall.
2. pyrolysis fuel oil flash-evaporation dehydration device according to claim 1, is characterized in that: described jet chimney (2) is helical form.
3. pyrolysis fuel oil flash-evaporation dehydration device according to claim 1, is characterized in that: the outer, bottom surface of described lower clapboard (3) adopts full weld to weld with flash tank (1) inwall.
4. pyrolysis fuel oil flash-evaporation dehydration device according to claim 1, is characterized in that: described guide plate (4) is six pieces, and six pieces of guide plates are uniformly distributed around the axis of flash tank (1).
5. pyrolysis fuel oil flash-evaporation dehydration device according to claim 1, is characterized in that: the cone angle of described upper spacer (5) and lower clapboard (3) is 1500.
6. pyrolysis fuel oil flash-evaporation dehydration device according to claim 4, it is characterized in that: described guide plate (4) contacts with lower clapboard (3) opening part, and the angle between the tangential direction at contact place and guide plate (4) direction is 300.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955180.9U CN205164197U (en) | 2015-11-26 | 2015-11-26 | Cracking tar flash distillation dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955180.9U CN205164197U (en) | 2015-11-26 | 2015-11-26 | Cracking tar flash distillation dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205164197U true CN205164197U (en) | 2016-04-20 |
Family
ID=55728236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520955180.9U Expired - Fee Related CN205164197U (en) | 2015-11-26 | 2015-11-26 | Cracking tar flash distillation dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205164197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316838A (en) * | 2018-12-04 | 2019-02-12 | 河南潜合环保科技有限公司 | A kind of foam removal knockout drum |
| CN111303931A (en) * | 2018-12-12 | 2020-06-19 | 中国石油化工股份有限公司 | Heavy dirty oil dehydration method |
-
2015
- 2015-11-26 CN CN201520955180.9U patent/CN205164197U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316838A (en) * | 2018-12-04 | 2019-02-12 | 河南潜合环保科技有限公司 | A kind of foam removal knockout drum |
| CN109316838B (en) * | 2018-12-04 | 2023-08-25 | 河南潜合环保科技有限公司 | Defoaming separator tank |
| CN111303931A (en) * | 2018-12-12 | 2020-06-19 | 中国石油化工股份有限公司 | Heavy dirty oil dehydration method |
| CN111303931B (en) * | 2018-12-12 | 2021-07-09 | 中国石油化工股份有限公司 | Heavy dirty oil dehydration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20201126 |