CN205109081U - Gaseous naphthalene recovery unit of low aromatic hydrocarbon content - Google Patents
Gaseous naphthalene recovery unit of low aromatic hydrocarbon content Download PDFInfo
- Publication number
- CN205109081U CN205109081U CN201520919055.2U CN201520919055U CN205109081U CN 205109081 U CN205109081 U CN 205109081U CN 201520919055 U CN201520919055 U CN 201520919055U CN 205109081 U CN205109081 U CN 205109081U
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- naphthalene
- separation chamber
- room
- air inlet
- deflector
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title claims description 21
- 238000011084 recovery Methods 0.000 title abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims description 15
- 239000006210 lotion Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 125000003118 aryl group Chemical group 0.000 abstract 2
- 125000001624 naphthyl group Chemical group 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005899 aromatization reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- -1 naphthalene aromatic hydrocarbons Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
一种低芳烃含量气体的萘回收装置，分离回收领域，尤其涉及一种低芳烃含量气体中的萘回收装置。目的在于提供一种低芳烃含量气体的萘回收装置，包括进气管、萘分离室、出气管，萘分离室由上室和下室构成，进气管和出气管分别位于萘分离室的上室相对两侧面，萘分离室上室位于进气管和出气管两侧面设有进气导流板和出气导流板，萘分离室上室顶板设有与外部联通的喷淋接口，喷淋接口外接洗液储罐，萘分离室下室设有集液罐，集液罐侧面下部设有出液口。该装置操作方便，可以将萘结晶析出并附着在萘分离室内，同时将附着在萘分离室的结晶萘溶解并收集，实现萘的高效回收，节约生产成本，可用于间歇或连续萘回收的生产过程中。
A device for recovering naphthalene in gas with low aromatic content, in the field of separation and recovery, in particular to a device for recovering naphthalene in gas with low aromatic content. The purpose is to provide a naphthalene recovery device for gas with low aromatics content, which includes an inlet pipe, a naphthalene separation chamber, and an outlet pipe. On both sides, the upper chamber of the naphthalene separation chamber is located on both sides of the air inlet pipe and the air outlet pipe, and is equipped with an air inlet deflector and an air outlet deflector. Liquid storage tank, the lower chamber of the naphthalene separation chamber is provided with a liquid collection tank, and the lower side of the liquid collection tank is provided with a liquid outlet. The device is easy to operate, can crystallize naphthalene and attach it to the naphthalene separation chamber, and at the same time dissolve and collect the crystalline naphthalene attached to the naphthalene separation chamber to realize efficient recovery of naphthalene and save production costs, and can be used for intermittent or continuous naphthalene recovery production in process.
Description
Technical field
The utility model belongs to separation and recovery field, particularly relates to the naphthalene retracting device in a kind of low arene content gas.
Background technology
In oil-refining chemical, chemicals production process containing aromatic hydrocarbons tail gas, if arene content is very low, generally all or torch can be sent to directly burn as fuel, both cause waste, and increased energy-saving and emission-reduction pressure again.In addition, some chemical reaction, as methane non oxidative aromatization, due to the restriction of conversion ratio, its aromatic hydrocarbon product (benzene, naphthalene etc.) content is in the gas flow very low, if do not carry out separation and recovery, then this reaction can be sayed with regard to product-free.
Naphthalene in aromatic hydrocarbons is more special, and it in solid-state, easily distils at normal temperatures, meeting crystallization after reduction temperature, and is dissolved in acetone and other organic solvent, more easily separated relative to other liquid aromatic hydrocarbons product.
Utility model content
The purpose of this utility model is, according to characteristic how, to provide the naphthalene retracting device in a kind of low arene content gas.
The utility model provides the naphthalene retracting device of low arene content gas, comprise air inlet pipe, naphthalene separation chamber, escape pipe, described naphthalene separation chamber is made up of upper room and lower room, described air inlet pipe and escape pipe lay respectively at the relative two sides, upper room of naphthalene separation chamber, in described naphthalene separation chamber, room is positioned at air inlet pipe and escape pipe two sides and is provided with air inlet deflector and deflector of giving vent to anger, in described naphthalene separation chamber, room top board is provided with the spray interface with external communication, the external washing lotion storage tank of described spray interface, under described naphthalene separation chamber, room is provided with liquid collecting tank, and liquid collecting tank side lower is provided with liquid outlet.
Air inlet deflector connects with upper room air inlet face, and seam length is 1/3 ~ 1/2 of air inlet face base length, and in air inlet deflector and naphthalene separation chamber, room air inlet face angle is 30 ° ~ 60 °.
Deflector of giving vent to anger connects with the face of giving vent to anger, upper room, and seam length is 1/3 ~ 1/2 of base, face length of giving vent to anger, and in give vent to anger deflector and naphthalene separation chamber, room face angle of giving vent to anger is 30 ° ~ 60 °.
Upper room middle top is provided with to downward-extension and passes in and out the parallel dividing plate in gas side with upper room, and dividing plate is 1/2 ~ 3/4 of naphthalene separation chamber total height to the downward-extension degree of depth.
Described spray interface is 6, is arranged on room top board in naphthalene separation chamber in hexagon, wherein connects a spray interface and lays respectively at air inlet deflector, gives vent to anger deflector in the drop shadow spread of room top board in naphthalene separation chamber.
In described naphthalene separation chamber, room is rectangular structure, and lower room is for being inverted truncated rectangular pyramids structure, and truncated rectangular pyramids bottom surface is consistent with cuboid bottom surface.
Described escape pipe position is higher than air inlet pipe.
The utility model has following beneficial effect:
This device cooling and water conservancy diversion collide acting in conjunction under, naphthalene crystal is separated out and is attached in naphthalene separation chamber, washing lotion is sent into by spray interface, the crystallization naphthalene being attached to naphthalene separation chamber is dissolved and flows into liquid collecting tank, this device can be used for, in the production process of interval or naphthalene recovery continuously, having saved production cost.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is respectively side view and the top view of the utility model device, and in figure, 1 is air inlet pipe, and 2 is spray interface, and 3 is air inlet deflector, 4 is deflector of giving vent to anger, and 5 is intermediate membrane, and 6 is escape pipe, and 7 is the upper room of naphthalene separation, 8 is the lower room of naphthalene separation, and 9 is liquid collecting tank, and 10 is liquid outlet.
Detailed description of the invention
Below by the specific embodiment provided, the utility model is described further, but not as to restriction of the present utility model.
Naphthalene at normal temperatures can crystallization, can not carry with gaseous state, the reaction overwhelming majority of existing generation aromatic hydrocarbons (containing naphthalene) needs heating, product gas flow (low arene content gas) when going out reactor with uniform temperature, when entering the pipeline before naphthalene retracting device and carrying, separate out and blocking pipeline for preventing naphthalene crystal, pipeline is also need heating and thermal insulation, and naphthalene retracting device of the present utility model does not need to arrange heating and thermal insulation facility, utilize low arene content gas to leave temperature difference that pipeline enters naphthalene retracting device, reduce the temperature of naphthalene, realize naphthalene crystal.
As depicted in figs. 1 and 2, be naphthalene retracting device of the present utility model, this device comprises air inlet pipe 1, naphthalene separation chamber (upper room 7 and lower room 8), spray recovery system (spray interface 2, liquid collecting tank 9 and liquid outlet 10) and escape pipe 6.Air inlet pipe 1 and escape pipe 6 are transversely connected with the upper room 7 of naphthalene separation chamber respectively, and escape pipe 6 is a little more than air inlet pipe 1.In naphthalene separation chamber, inside, room 7 is provided with air inlet deflector 3, intermediate membrane 5 and deflector 4 of giving vent to anger, air inlet deflector 3 and deflector 4 of giving vent to anger connect with side of giving vent to anger with the air inlet side of bottom surface, room 7 in naphthalene separation chamber respectively, seam length is 1/3 ~ 1/2 of room bottom surface side edge lengths, 30 ° ~ 60 ° are with the angle of bottom surface, intermediate membrane 5 connects with room 7 in naphthalene separation chamber and lower room 8, it is parallel that septum plane and upper room pass in and out gas side, and its degree of depth is the 1/2-3/4 of naphthalene separation chamber (7 and 8) total height.Spray interface 2 is arranged in top, room 7 in naphthalene separation chamber, in hexagonal arrangement, wherein 2 spray interfaces lay respectively at air inlet deflector 3, give vent to anger in the drop shadow spread of deflector 4 room 7 end face in naphthalene separation chamber, and liquid collecting tank 9 is connected with room 8 under naphthalene separation chamber, and liquid outlet 10 is connected with bottom liquid collecting tank 9.
Utility model works process is: the naphthalene aromatic hydrocarbons gas that contains of uniform temperature enters naphthalene separation chamber from air inlet, air impingement air inlet deflector after cooling, under the acting in conjunction that cooling and water conservancy diversion are collided, naphthalene crystal is separated out and is attached to the inwall of naphthalene separation chamber, deflector and baffle surface, now, aromatic hydrocarbons gas not containing naphthalene is discharged from gas outlet, washing lotion is sent into by with the tank connected spray joint of liquid storage, the crystallization naphthalene be attached in naphthalene separation chamber is dissolved and flows into the liquid collecting tank below naphthalene separation chamber, derived by liquid outlet containing naphthalene washing lotion, carry out naphthalene separation.
Above content is the further description done the utility model in conjunction with concrete embodiment, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. the naphthalene retracting device of a low arene content gas, comprise air inlet pipe, naphthalene separation chamber, escape pipe, it is characterized in that: described naphthalene separation chamber is made up of upper room and lower room, described air inlet pipe and escape pipe lay respectively at the relative two sides, upper room of naphthalene separation chamber, in described naphthalene separation chamber, room is positioned at air inlet pipe and escape pipe two sides and is provided with air inlet deflector and deflector of giving vent to anger, in described naphthalene separation chamber, room top board is provided with the spray interface with external communication, the external washing lotion storage tank of described spray interface, under described naphthalene separation chamber, room is provided with liquid collecting tank, liquid collecting tank side lower is provided with liquid outlet.
2. the naphthalene retracting device of low arene content gas as claimed in claim 1, it is characterized in that: air inlet deflector connects with upper room air inlet face, seam length is 1/3 ~ 1/2 of air inlet face base length, and in air inlet deflector and naphthalene separation chamber, room air inlet face angle is 30 ° ~ 60 °.
3. the naphthalene retracting device of low arene content gas as claimed in claim 1, it is characterized in that: deflector of giving vent to anger connects with the face of giving vent to anger, upper room, seam length is 1/3 ~ 1/2 of base, face length of giving vent to anger, and in give vent to anger deflector and naphthalene separation chamber, room face angle of giving vent to anger is 30 ° ~ 60 °.
4. the naphthalene retracting device of low arene content gas as claimed in claim 1, is characterized in that: upper room middle top is provided with to downward-extension and passes in and out the parallel dividing plate in gas side with upper room, and dividing plate is 1/2 ~ 3/4 of naphthalene separation chamber total height to the downward-extension degree of depth.
5. the naphthalene retracting device of low arene content gas as claimed in claim 1, it is characterized in that: described spray interface is 6, be arranged on room top board in naphthalene separation chamber in hexagon, wherein connect a spray interface and lay respectively at air inlet deflector, give vent to anger deflector in the drop shadow spread of room top board in naphthalene separation chamber.
6. the naphthalene retracting device of low arene content gas as claimed in claim 1, is characterized in that: in described naphthalene separation chamber, room is rectangular structure, and lower room is for being inverted truncated rectangular pyramids structure, and truncated rectangular pyramids bottom surface is consistent with cuboid bottom shape.
7. the naphthalene retracting device of low arene content gas as claimed in claim 1, is characterized in that: described escape pipe position is higher than air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919055.2U CN205109081U (en) | 2015-11-18 | 2015-11-18 | Gaseous naphthalene recovery unit of low aromatic hydrocarbon content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919055.2U CN205109081U (en) | 2015-11-18 | 2015-11-18 | Gaseous naphthalene recovery unit of low aromatic hydrocarbon content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205109081U true CN205109081U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520919055.2U Active CN205109081U (en) | 2015-11-18 | 2015-11-18 | Gaseous naphthalene recovery unit of low aromatic hydrocarbon content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205109081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375597A (en) * | 2020-12-22 | 2021-02-19 | 云南建投安装股份有限公司 | Natural gas diesel oil naphthalene washing device |
| CN115315303A (en) * | 2020-02-26 | 2022-11-08 | 环球油品有限责任公司 | Process and apparatus for quenching a reactor effluent stream |
-
2015
- 2015-11-18 CN CN201520919055.2U patent/CN205109081U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115315303A (en) * | 2020-02-26 | 2022-11-08 | 环球油品有限责任公司 | Process and apparatus for quenching a reactor effluent stream |
| CN115315303B (en) * | 2020-02-26 | 2024-04-02 | 环球油品有限责任公司 | Process and apparatus for quenching a reactor effluent stream |
| CN112375597A (en) * | 2020-12-22 | 2021-02-19 | 云南建投安装股份有限公司 | Natural gas diesel oil naphthalene washing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241231 Address after: 710000 No.1 Xuefu Avenue, Chang'an District, Xi'an City, Shaanxi Province Patentee after: NORTHWEST University Country or region after: China Patentee after: THE NORTHWEST RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO.,LTD. Address before: No. 229, Taibai North Road, Xi'an, Shaanxi 710000 Patentee before: NORTHWEST University Country or region before: China Patentee before: SHAANXI YANCHANG PETROLEUM (Group) Co.,Ltd. |
|
| TR01 | Transfer of patent right |