CN203006939U - Coal gas and liquid separation groove for benzene hydrogenation device - Google Patents
Coal gas and liquid separation groove for benzene hydrogenation device Download PDFInfo
- Publication number
- CN203006939U CN203006939U CN 201220675260 CN201220675260U CN203006939U CN 203006939 U CN203006939 U CN 203006939U CN 201220675260 CN201220675260 CN 201220675260 CN 201220675260 U CN201220675260 U CN 201220675260U CN 203006939 U CN203006939 U CN 203006939U
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- coal gas
- tank body
- baffle plate
- cell body
- gas
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Abstract
The utility model discloses a coal gas and liquid separation groove for a benzene hydrogenation device. The coal gas and liquid separation groove comprises a cylindrical tank body; one stop plate and two baffle plates are arranged in the tank body; the lower part of the tank body is provided with a gas inlet; the top of the tank body is provided with a gas outlet; a liquid discharge pipe is arranged on the lower part of the tank body and provided with a liquid discharge valve; the stop plate is perpendicular to the center line of the tank body; the top edge of the first baffle plate is connected with the stop plate; the upper part of the first baffle plate is provided with sieve holes; the top edge of the second baffle plate is connected with the stop plate; and a gas way is formed between the bottom edge of the second baffle plate and the bottom of the tank body. According to the coal gas and liquid separation groove disclosed by the utility model, the coal gas enters the coal gas and liquid separation groove from the gas inlet, passes by the sieve holes on the upper part of the first baffle plate and the gas way between the bottom edge of the second baffle plate and the bottom of the tank body and finally exits from the gas outlet on the top of the tank body, and the liquid flows to the bottom of the tank body and is discharged at fixed period through the liquid discharge valve, thus the high-pressure coal gas can be purified fully, and most of tar, naphthalene and machine oil in the coal gas can be separated.
Description
Technical field
The utility model belongs to chemical industry equipment, relates in particular to a kind of coal gas for the benzene hydrogenation device and divides liquid bath.
Background technology
The prepared from benzene and hydrogen hydrogen production device adopts pressure-variable adsorption (being called for short PSA) technology to extract hydrogen from coke-oven gas (being called for short COG), and in coke-oven gas, impurity is more, forms very complicatedly, and removing has a large amount of CH
4With a certain amount of N
2, CO, CO
2, O
2Also have a small amount of higher hydrocarbons, naphthalene, inorganic sulfur, tar etc. outward, the latter is that the high boiling point component is difficult to desorption at normal temperatures, sorbent material for the pressure-variable adsorption employing, adsorptive power is quite strong, so that be difficult to desorb, therefore this device adopts two kinds of different absorbing process, temperature swing adsorption process and pressure swing adsorption techniques.At first take off the naphthalene device by oil removing through post-decompression coke-oven gas, remove naphthalene, tar and machinery oil that compressor is with, remove the above hydro carbons of C5 and other high-boiling-point impurity component through temperature swing adsorption process again, reach the purpose of preliminary cleaning coke-oven gas, and then remove deoxygenation all impurity components in addition through pressure swing adsorption technique, obtain the product hydrogen of 99.7% purity, finally by catalyzed reaction remove in hydrogen oxygen and through the isobaric dry product hydrogen that obtains 99.99% purity.Take off the operating load of naphthalene device and pretreater in order to reduce oil removing, reduce running cost, increase the life-span of sorbent material, need to do further purification to high pressure gas.
Summary of the invention
The purpose of this utility model is to provide a kind of coal gas for the benzene hydrogenation device and divides liquid bath, removes that coal gas is coal-tar middle oil, naphthalene and mechanical wet goods impurity.
For achieving the above object, the utility model adopts following technical scheme: a kind of coal gas for the benzene hydrogenation device divides liquid bath, comprise cylindrical cell body, a baffle plate and two traverse baffles are housed in cell body, inlet mouth is positioned at the cell body bottom, the air outlet is positioned at the top of cell body, liquid discharge pipe is equipped with in the cell body bottom, tapping valve is arranged on liquid discharge pipe, described baffle plate is vertical with the cell body medullary ray, and the top of the first traverse baffle is connected with baffle plate, and sieve aperture is arranged at the top of the first traverse baffle, the upper limb of the second traverse baffle is connected with baffle plate, below and between at the bottom of tank air flue is arranged.
Cell body is coated with thermal insulation layer, and liquid discharge pipe is equipped with heating tube outward.
Described heating tube is coiled on liquid discharge pipe, and heating tube is connected with thermal source, and described thermal source is hot water or steam.
adopt the coal gas of technique scheme to divide liquid bath, coal gas enters in minute liquid bath cell body from inlet mouth, pass through from the sieve aperture on the first traverse baffle top, again through the following air flue of the second traverse baffle, send from the air outlet at cell body top at last, liquid regularly discharges by tapping valve at the bottom of flowing to tank, make high pressure gas be fully purified, most of tar in coal gas, naphthalene and machinery oil are separated, greatly reduce the device for producing hydrogen oil removing and take off the load of naphthalene device and pretreater, make the life 3 ~ 5 years of sorbent material, reduced to change the frequency of sorbent material, parking maintenance cost and time have been reduced, for strong assurance is made in the normal operation of benzene hydrogenation.
Description of drawings
Fig. 1 is structural representation of the present utility model
Embodiment
The coal gas that is used for the benzene hydrogenation device as shown in Figure 1 divides liquid bath, comprise cylindrical cell body 4, a baffle plate 7 and two traverse baffles are housed in cell body 4, inlet mouth 11 is positioned at the cell body bottom, air outlet 8 is positioned at the top of cell body, liquid discharge pipe 2 is equipped with in the cell body bottom, tapping valve 3 is arranged on liquid discharge pipe, baffle plate 7 is vertical with the cell body medullary ray, the top of the first traverse baffle 10 is connected with baffle plate 7, and the top of the first traverse baffle has the upper limb of sieve aperture 9, the second traverse baffles 6 to be connected with baffle plate, below and between at the bottom of tank air flue is arranged, be beneficial to liquid separation with the stroke that lengthens coal gas.
Cell body is coated with thermal insulation layer 5, the outer heating tube 1 that is equipped with of liquid discharge pipe 2.Heating tube 1 is for being coiled in the copper pipe on liquid discharge pipe 2, and heating tube 1 is connected with thermal source, and thermal source can be hot water or steam.This is that heating can reduce crystallization, prevents line clogging due to very easily crystallization of naphthalene, and impact is produced.
Coal gas enters in minute liquid bath cell body from inlet mouth, pass through from the sieve aperture on the first traverse baffle top, then through the following air flue of the second traverse baffle, send from the air outlet at cell body top at last, liquid regularly drains in receiving tank by tapping valve at the bottom of flowing to tank, delivers at last effluent treatment plant.
The processing that divides liquid bath by coal gas, make high pressure gas be fully purified, most of tar, naphthalene and machinery oil in coal gas is separated in this minute liquid bath, by simple computation, about 60% tar, naphthalene and machinery oil are removed, and greatly reduce the load that naphthalene device and pretreater are taken off in the device for producing hydrogen oil removing, make the life 3 ~ 5 years of sorbent material, reduce to change the frequency of sorbent material, reduced parking maintenance cost and time, for strong assurance is made in the normal operation of benzene hydrogenation.
Claims (3)
1. a coal gas that is used for the benzene hydrogenation device divides liquid bath, it is characterized in that: comprise cylindrical cell body, a baffle plate and two traverse baffles are housed in cell body, inlet mouth is positioned at the cell body bottom, the air outlet is positioned at the top of cell body, liquid discharge pipe is equipped with in the cell body bottom, and tapping valve is arranged on liquid discharge pipe, and described baffle plate is vertical with the cell body medullary ray, the top of the first traverse baffle is connected with baffle plate, sieve aperture is arranged at the top of the first traverse baffle, and the upper limb of the second traverse baffle is connected with baffle plate, below and between at the bottom of tank air flue is arranged.
2. the coal gas for the benzene hydrogenation device as claimed in claim 1 divides liquid bath, and it is characterized in that: cell body is coated with thermal insulation layer, and liquid discharge pipe is equipped with heating tube outward.
3. the coal gas for the benzene hydrogenation device as claimed in claim 2 divides liquid bath, it is characterized in that: described heating tube is coiled on liquid discharge pipe, and heating tube is connected with thermal source, and described thermal source is hot water or steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675260 CN203006939U (en) | 2012-12-10 | 2012-12-10 | Coal gas and liquid separation groove for benzene hydrogenation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675260 CN203006939U (en) | 2012-12-10 | 2012-12-10 | Coal gas and liquid separation groove for benzene hydrogenation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203006939U true CN203006939U (en) | 2013-06-19 |
Family
ID=48598554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675260 Expired - Fee Related CN203006939U (en) | 2012-12-10 | 2012-12-10 | Coal gas and liquid separation groove for benzene hydrogenation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203006939U (en) |
-
2012
- 2012-12-10 CN CN 201220675260 patent/CN203006939U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20130619 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |