CN206430600U - Low molecule esters separation equipment in a kind of hydrogen tail gas - Google Patents
Low molecule esters separation equipment in a kind of hydrogen tail gas Download PDFInfo
- Publication number
- CN206430600U CN206430600U CN201720103778.4U CN201720103778U CN206430600U CN 206430600 U CN206430600 U CN 206430600U CN 201720103778 U CN201720103778 U CN 201720103778U CN 206430600 U CN206430600 U CN 206430600U
- Authority
- CN
- China
- Prior art keywords
- low molecule
- tail gas
- hydrogenation
- separator
- deflection plate
- Prior art date
- 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.)
- Active
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses low molecule esters separation equipment in a kind of hydrogen tail gas, including separator, the inside of separator is hollow structure, the shell and tube condenser that the hydrogenation gas inlet connection that the side of separator is opened up cools to hydrogenation tail gas, the inside of separator is provided with deflection plate, and the shape of deflection plate is V-shaped, liquid film is formed between deflection plate, it is provided with the top of deflection plate below filler, deflection plate and offers low molecule esters outlet, the top position of filler is provided with hydrogenation offgas outlet.Realize that low molecule esters are separated, hydrogenation tail gas is smoothly reclaimed, protect PSA adsorbents, the recyclable hydrogen 150Nm of ethylene glycol3, year, recyclable byproduct hydrogen 57,600,000 marked cubic meter, strengthened the service life of adsorbent, novel in design, is a kind of good innovation scheme, there is very much market promotion prospect.
Description
Technical field
The utility model is related to gas purification apparatus, tail gas institute is hydrogenated with more particularly in coal-ethylene glycol production technology rich
The separation eliminating equipment of the esters containing low molecule.
Background technology
At present, coal based synthetic gas preparing ethylene glycol is produced is using two-step method:Oxalate route, oxalate is hydrogenated to first
The mixtures such as alcohol, ethylene glycol, national standard ethylene glycol product is obtained through separation and purification, and hydrogenation tail is produced in the technique hydrogenation process
Gas, often produces one ton of ethylene glycol and about produces hydrogenation tail gas 150Nm3, the partial hydrogenation tail gas main component is hydrogen, in addition, also
Contain the compositions such as part methanol, ethanol, ethylene glycol, diethylene glycol, butanediol, methyl formate, methyl glycollate, low point of this part
Sub- esters have a strong impact on hydrogenation tail gas and subsequently pass through pressure-variable adsorption (PSA) purifying hydrogen of hydrogen, if methyl formate therein was accumulated
Height, then can decompose generation formic acid, and etching apparatus pipeline can equally reduce methanol concentration, make the increase of methanol loop amount, and energy consumption increases
Plus, it there is deficiency.
In summary, for the defect of prior art, it is accordingly required in particular to low molecule esters separation equipment in a kind of hydrogen tail gas,
To solve the deficiencies in the prior art.
Utility model content
For being hydrogenated with tail gas problem present in purification in the prior art, the utility model proposes in a kind of hydrogen tail gas
Low molecule esters separation equipment, it is novel in design, pass through low molecule esters separation equipment before hydrogenation tail gas enters PSA system, go
The influence being poisoned except this material to PSA system adsorbent, it is ensured that hydrogenation tail gas is smoothly reclaimed, and is being utilized, is being solved to hydrogen
The certainly defect of prior art.
To achieve these goals, the technical solution of the utility model is as follows:
Low molecule esters separation equipment in a kind of hydrogen tail gas, including separator, the inside of separator is hollow structure, point
The shell and tube condenser cooled from the hydrogenation gas inlet connection that the side of device is opened up to hydrogenation tail gas, the inside of separator is installed
There is deflection plate, the shape of deflection plate is V-shaped, is formed between deflection plate and filler is provided with the top of liquid film, deflection plate, deflection plate
Lower section offers low molecule esters outlet, and the top position of filler is provided with hydrogenation offgas outlet.
Further, described filler uses material for stainless steel.
Shape in the upper and lower end face of separator described in the utility model is arc-shaped.
The upper end of hydrogenation gas inlet is in the position of deflection plate described in the utility model.
Further, the interface that the surface of described separator is opened up is fixed with liquid level gauge by adpting flange.
Further, a diameter of 0.6m of described separator, is highly 3.6m.
Further, described hydrogenation gas inlet, low molecule esters outlet, the surface of hydrogenation offgas outlet are mounted on
Control valve, control valve uses check valve.
Further, the bottom of described separator is provided with support frame.
The beneficial effects of the utility model are:This product is simple in construction, realizes that low molecule esters are separated, makes hydrogenation tail gas suitable
Profit is reclaimed, and protects PSA adsorbents, the recyclable hydrogen 150Nm of ethylene glycol3, year, recyclable byproduct hydrogen 57,600,000 marked cubic meter,
Strengthen the service life of adsorbent, it is novel in design, it is a kind of good innovation scheme, there is very much market promotion prospect.
Brief description of the drawings
Describe the utility model in detail with reference to the accompanying drawings and detailed description:
Fig. 1 is structural representation of the present utility model;
100- separators in figure, 110- hydrogenation gas inlets, 120- support frames, 130- upper and lower end faces, 140- low molecule esters
Class outlet, 150- deflection plates, 160- fillers, 170- hydrogenation offgas outlets, 180- interfaces.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, a kind of low molecule esters separation equipment in hydrogen tail gas, including separator 100, separator 100 it is interior
Portion is hollow structure, and the hydrogenation gas inlet 110 that the side of separator 100 is opened up connects the tube type cold cooled to hydrogenation tail gas
Condenser, the inside of separator 100 is provided with deflection plate 150, and the shape of deflection plate 150 is V-shaped, and liquid is formed between deflection plate 150
Film, the top of deflection plate 150 is provided with filler 160, and the lower section of deflection plate 150 offers low molecule esters outlet 140, filler
160 top position is provided with hydrogenation offgas outlet 170.
In addition, filler 160 uses material for stainless steel.The shape of the upper and lower end face of separator 100 is arc-shaped.Baffling
The position of plate 150 is in the upper end of hydrogenation gas inlet 110.The interface 180 that the surface of separator 100 is opened up is by adpting flange
It is fixed with liquid level gauge.A diameter of 0.6m of separator 100, is highly 3.6m.It is hydrogenated with gas inlet 110, the discharge of low molecule esters
Mouth 140, the surface of hydrogenation offgas outlet 170 are mounted on control valve, and control valve uses check valve.The bottom of separator 100
Portion is provided with support frame 120.
It is hydrogenated with tail gas and comes from ethylene glycol hydrogeneration processes unit, flow about 8000Nm3/ h, pressure 3.0MPa, temperature 60 C, this
Utility model after hydrogenation tail gas cooling using shell and tube condenser to entering low molecule esters separator, and the separator uses baffling
The filled form of plate, efficiently separates the low molecule esters of influence subsequent production, and separating effect reaches PPM grades, it is ensured that subsequent production
Be smoothed out.
According to unstripped gas characteristic, the separator is designed to multiple-effect deflection plate form, in deflection plate formation liquid film, suitable
Under flow control, by material diffusion principle, liquid film repeatedly absorbs the low molecule esters in hydrogen tail gas, and forms step and successively decrease,
Drop is further most filtered through stainless steel monoblock filler afterwards, so as to realize that low molecular alcohols, esters are efficiently separated.
Low molecule esters cyclone separator arrangement and operational control index are the utility model content.The equipment material is stainless
Steel, production control mode is centralized computer control system (DCS).
Embodiment of the present utility model:Ethylene glycol hydrogenation tail gas initially enters cooler, is entered after cooling by hydrogenation tail gas
Mouth enters low molecule esters separator, isolates and enters PSA system purification recovery hydrogen, equipment formation liquid reasonable in design after esters
Membrane diffusion condition, to ensure separating effect, the utility model design is directed to 8000Nm3/ h flow, from separator diameter 0.6
Rice, 3.6 meters of height, esters content is controlled in product in design conditions scope inner separator low molecule esters separating effect preferably
In 50-100PPm.
The utility model is effective to be:It is simple in construction, realize that low molecule esters are separated, hydrogenation tail gas is smoothly reclaimed, protect
Protect PSA adsorbents, the recyclable hydrogen 150Nm of ethylene glycol3, year, recyclable byproduct hydrogen 57,600,000 marked cubic meter, enhancing absorption
The service life of agent, it is novel in design, it is a kind of good innovation scheme, there is very much market promotion prospect.
It should be understood by those skilled in the art that, the utility model is not restricted to the described embodiments, above-described embodiment and
Simply illustrate principle of the present utility model described in specification, on the premise of the utility model spirit and scope are not departed from originally
Utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed the utility model.
The utility model is claimed scope and defined by appended claims and its equivalent.
Claims (8)
1. low molecule esters separation equipment in a kind of hydrogen tail gas, including separator, the inside of separator is hollow structure, and it is special
Levy and be:The hydrogenation gas inlet connection that the side of separator is opened up is to the shell and tube condenser of hydrogenation tail gas cooling, separator
Inside deflection plate is installed, the shape of deflection plate is V-shaped, is formed to be provided with the top of liquid film, deflection plate between deflection plate and filled out
Low molecule esters outlet is offered below material, deflection plate, the top position of filler is provided with hydrogenation offgas outlet.
2. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described filler
Material is used for stainless steel.
3. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described separation
The shape of the upper and lower end face of device is arc-shaped.
4. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described baffling
The position of plate is in the upper end of hydrogenation gas inlet.
5. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described separation
The interface that the surface of device is opened up is fixed with liquid level gauge by adpting flange.
6. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described separation
A diameter of 0.6m of device, is highly 3.6m.
7. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described hydrogenation
Gas inlet, low molecule esters outlet, the surface of hydrogenation offgas outlet are mounted on control valve, and control valve is using unidirectional
Valve.
8. low molecule esters separation equipment in a kind of hydrogen tail gas according to claim 1, it is characterised in that:Described separation
The bottom of device is provided with support frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720103778.4U CN206430600U (en) | 2017-01-25 | 2017-01-25 | Low molecule esters separation equipment in a kind of hydrogen tail gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720103778.4U CN206430600U (en) | 2017-01-25 | 2017-01-25 | Low molecule esters separation equipment in a kind of hydrogen tail gas |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206430600U true CN206430600U (en) | 2017-08-22 |
Family
ID=59591254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720103778.4U Active CN206430600U (en) | 2017-01-25 | 2017-01-25 | Low molecule esters separation equipment in a kind of hydrogen tail gas |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206430600U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317869A (en) * | 2018-02-01 | 2018-07-24 | 大连葆光节能空调设备厂 | A kind of folded plate spray heat exchanger |
CN109603188A (en) * | 2019-01-31 | 2019-04-12 | 内蒙古通威高纯晶硅有限公司 | Tail gas adsorption regeneration gas condenser system and method |
-
2017
- 2017-01-25 CN CN201720103778.4U patent/CN206430600U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317869A (en) * | 2018-02-01 | 2018-07-24 | 大连葆光节能空调设备厂 | A kind of folded plate spray heat exchanger |
CN109603188A (en) * | 2019-01-31 | 2019-04-12 | 内蒙古通威高纯晶硅有限公司 | Tail gas adsorption regeneration gas condenser system and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103418210B (en) | CO2 full capture and H2S enrichment process | |
CN103951543B (en) | A kind of trifluoromethane purification devices and purification process | |
WO2023065735A1 (en) | Apparatus and method for directly capturing carbon dioxide from air | |
CN101108988B (en) | Biogas cleaning equipment and purifying technique thereof | |
CN106139890B (en) | The device and method of cold-rolled steel sheet heat treatment nitrogen hydrogen mixed tail gas recycling purification | |
CN206430600U (en) | Low molecule esters separation equipment in a kind of hydrogen tail gas | |
CN106145037A (en) | The device of hydrogen and the method for High Purity Hydrogen processed is reclaimed from silicon epitaxial furnace emptying end gas | |
CN105617817B (en) | For the device and method of acetate acid tail gas recycling CO | |
CN103421565B (en) | Gas film separates the synchronous liquid CO of recovery2Biogas decarbonization process and device | |
CN102489120B (en) | Low temperature methanol wash method and equipment | |
CN108404612A (en) | A kind of rich solution multi-stage heat exchanger type carbon dioxide capture system and technique | |
CN103055660B (en) | Method and system for treating cyclohexane oxidation tail gas | |
CN103496667B (en) | The treatment process of hydrogen product is prepared in a kind of methanol synthetic discharged gas delayed recovery also part | |
CN105585425A (en) | Hydrogen recycling device | |
CN201899967U (en) | Comprehensive oil gas recovery device | |
CN202892959U (en) | Condensation and adsorption combination organic solvent recovery device | |
CN103673504A (en) | Pressure swing adsorption decarburization gas full-recovery method | |
CN208803005U (en) | A kind of methanol production system with misty Methanol Recovery function | |
CN102380290A (en) | Device capable of enhancing absorption of methyl iodide in acetic acid tail gas and technology adopting same | |
CN206762334U (en) | A kind of petroleum naphtha hydrogenation prepares high-purity alkane product stabilizer | |
CN205461644U (en) | Oil gas recovery device for gas station of oil storage warehouse | |
CN104353329B (en) | Methanol separator | |
CN214469628U (en) | High-purity liquid oxygen preparation facilities | |
CN210009789U (en) | Propylene carbonate reaction tail gas recovery device | |
CN220990291U (en) | Device for recycling silane in tail gas |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |