CN108266353A - A kind of oil-free reciprocating vacuum pumping system for sour gas - Google Patents
A kind of oil-free reciprocating vacuum pumping system for sour gas Download PDFInfo
- Publication number
- CN108266353A CN108266353A CN201710000567.2A CN201710000567A CN108266353A CN 108266353 A CN108266353 A CN 108266353A CN 201710000567 A CN201710000567 A CN 201710000567A CN 108266353 A CN108266353 A CN 108266353A
- Authority
- CN
- China
- Prior art keywords
- condenser
- oil
- sour gas
- vacuum pump
- pumping system
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of oil-free reciprocating vacuum pumping systems for sour gas, it is that surge tank, PP caustic treaters, the receiving slit with backing condenser, lobe pump, vacuum pump are sequentially connected, the exhaust outlet of vacuum pump connects condenser, liquid outlet connects solvent receiving tank, the liquid outlet of condenser connects solvent receiving tank, the present invention have the characteristics that not generate waste water, effective recycling design, pollute it is small.
Description
Technical field
The invention belongs to chemical industry technical field of auxiliary equipment, back and forth true more particularly, to a kind of oil-free for sour gas
Empty pumping system.
Background technology
In liquid crystal material production process, the processes such as distillation, crystallization, filtering, dry can all use vacuum, while these
There is different degrees of acidity in the gas that process is sucked, and the solvent of intake-gas is needed to recycle, maximum possible subtracts
Few proportion of goods damageds.At present in liquid crystal material production process in the vacuumizing containing acid material, the vacuum pump used is with water injection
Vacuum pump is in the majority, primarily to preventing sour corrosion from causing equipment damage.But the wastewater flow rate that brings of water stream injection pump it is big and
Solvent is not easily recycled the shortcomings that waiting, and can cause environmental pollution and the waste of cost.
Invention content
The purpose of the present invention with improve the deficiency of prior art and provide it is a kind of do not generate waste water, effective recycling design,
Pollute the small oil-free reciprocating vacuum pumping system for sour gas.
The object of the present invention is achieved like this, a kind of oil-free reciprocating vacuum pumping system for sour gas, feature
It is that surge tank, PP caustic treaters, the receiving slit with backing condenser, lobe pump, vacuum pump are sequentially connected, the exhaust outlet of vacuum pump connects
Condenser, liquid outlet connect solvent receiving tank, and the liquid outlet of condenser connects solvent receiving tank.
Compared with the prior art the present invention has following distinguishing feature and good effect：The present invention is vertical reciprocal using oil-free
Vacuum pump and Roots's sundstrand pump use, and avoid the use of water-jet pump, excessively stream part oil-free lubrication is conducive to tail gas
Recycling, no secondarily polluted water mitigate pollution treatment pressure；Vacuum pump leading portion sets caustic treater and condenser and dump tank, absorbs gas
In acidic materials, reach neutral state, reduce the corrosion to equipment；The organic solvent of vacuum process is effectively returned
It receives, first, generating economic benefit；It second is that reducing the pollution of uncontrollable discharge, can reach the solvent recovering rate in sucking gas
More than 98%, the lye in caustic treater periodically replaces collection, and after the salt for removing the inside, water can recycle again.The present invention is right
Sour gas is effectively treated, it is therefore prevented that corrosion of the sour gas to vacuum pump, while effective recycling also has been carried out to solvent,
Cost has been saved, has also avoided environmental pollution caused by the inorganization volatilization of solvent.
Description of the drawings
Fig. 1 is a kind of structure diagram of the present invention.
Specific embodiment
A kind of oil-free reciprocating vacuum pumping system for sour gas is surge tank 1, PP caustic treaters 2, with before with reference to Fig. 1
The grade receiving slit 4 of condenser 3, lobe pump 5, vacuum pump 6 air entry be sequentially connected, the exhaust outlet of vacuum pump 6 connects condenser 7,
Liquid outlet connects solvent receiving tank 8, and the liquid outlet of condenser 7 connects solvent receiving tank 8.
Claims (1)
1. a kind of oil-free reciprocating vacuum pumping system for sour gas, it is characterised in that surge tank, PP caustic treaters, band prime are cold
Receiving slit, lobe pump, the vacuum pump of condenser are sequentially connected, and the exhaust outlet of vacuum pump connects condenser, and liquid outlet connects solvent receiving tank,
The liquid outlet of condenser connects solvent receiving tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000567.2A CN108266353A (en) | 2017-01-03 | 2017-01-03 | A kind of oil-free reciprocating vacuum pumping system for sour gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000567.2A CN108266353A (en) | 2017-01-03 | 2017-01-03 | A kind of oil-free reciprocating vacuum pumping system for sour gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108266353A true CN108266353A (en) | 2018-07-10 |
Family
ID=62770653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000567.2A Pending CN108266353A (en) | 2017-01-03 | 2017-01-03 | A kind of oil-free reciprocating vacuum pumping system for sour gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737034A (en) * | 2019-02-11 | 2019-05-10 | 东北大学 | A kind of dry vacuum system containing condenser before pumping |
-
2017
- 2017-01-03 CN CN201710000567.2A patent/CN108266353A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737034A (en) * | 2019-02-11 | 2019-05-10 | 东北大学 | A kind of dry vacuum system containing condenser before pumping |
| CN109737034B (en) * | 2019-02-11 | 2022-10-18 | 东北大学 | Dry vacuum system with pre-pump condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180710 |
|
| WD01 | Invention patent application deemed withdrawn after publication |