CN205850523U - The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system - Google Patents
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system Download PDFInfo
- Publication number
- CN205850523U CN205850523U CN201620798319.8U CN201620798319U CN205850523U CN 205850523 U CN205850523 U CN 205850523U CN 201620798319 U CN201620798319 U CN 201620798319U CN 205850523 U CN205850523 U CN 205850523U
- Authority
- CN
- China
- Prior art keywords
- periodic
- gases
- pressure
- oxygen
- enriched
- 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.)
- Expired - Fee Related
Links
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
This utility model relates to a kind of oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus and recycles optimization system.Mainly solve the problem that the oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus that existing air separation unit uses present in prior art all enters air waste resource.It is characterized in that: described nitrogen making machine (1) periodic off-gases exhaust line connects periodic off-gases surge tank (3), periodic off-gases surge tank (3) outlet line connects periodic off-gases blending tank (4), and periodic off-gases blending tank (4) outlet line connects back to closed cans (5)；Sulfur furnace line (10) processed is gone in the connection of recycling can (5) outlet line；Described nitrogen making machine (1) periodic off-gases pipeline connects periodic off-gases blending tank (4) also by blower fan.The oxygen-enriched periodic off-gases of this swing adsorption nitrogen producing apparatus recycles optimization system can save resource, makes resource obtain abundant Appropriate application, optimizes operating system.
Description
Technical field
This utility model relates to a kind of oxygen-enriched periodic off-gases recycling system in technical field of petrochemical industry, particularly a kind of
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system.
Background technology
The varying-voltage adsorption nitrogen machine that in Petrochemical Production Technologies field, air separation unit uses, operating load is usually 80%,
Nitrogen quantity processed is 400Nm/h, and periodic off-gases amount is 920Nm/h, and oxygen concentration is 29%(V%), oxygen-enriched air all enters big blast
Take resource.Controlling temperature at present in sulfur recovery facility sulfur stove stove is 1200 DEG C, and it is 400Nm that maximum puts clean acid tolerance in order
/ h, when sour gas flow is more than 400 Nm/h, it is incomplete that sour gas burns ammonia in sulfur stove processed, and ignition temperature does not reaches 1200
DEG C reaction temperature, sulfur recovery facility production capacity restricted sulfur stove furnace temperature limits, and the sour gas of excess is set fire torch.Resource obtains not
To Appropriate application.
Summary of the invention
Technical problem to be solved in the utility model overcomes existing air separation unit use present in background technology
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus all enters Air resource waste and can not get the problem of Appropriate application, and provides a kind of
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system, and the oxygen-enriched periodic off-gases of this swing adsorption nitrogen producing apparatus reclaims profit
With optimizing system, it is possible to save resource, make resource obtain abundant Appropriate application, optimize operating system.
The invention for solving the technical problem can reach by following technical solution: this swing adsorption nitrogen producing apparatus is oxygen-enriched speeds
Venting recycles optimization system, and including nitrogen making machine, periodic off-gases surge tank, described nitrogen making machine periodic off-gases exhaust line connects speeds to put
Gas surge tank, periodic off-gases surge tank outlet line connects periodic off-gases blending tank, and periodic off-gases blending tank outlet line connects back to closed cans；
Sulfur furnace line processed is gone in the connection of recycling can outlet line；Described nitrogen making machine periodic off-gases pipeline connects periodic off-gases mixing also by blower fan
Tank.
This utility model can have the advantages that compared with above-mentioned background technology this swing adsorption nitrogen producing apparatus is rich
Oxygen periodic off-gases recycling optimization system is owing to using said structure, and oxygen-enriched periodic off-gases returns in sulfur recovery facility sulfur stove
Receiving and utilize, improve plant capacity, the oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus is recycled and utilizes system, it is possible to save money
Source, makes resource obtain abundant Appropriate application, protects environment.Optimize operating system, according to device operating mode from Row sum-equal matrix system；Increase
Internally piloted valve group, reduces the working strength of workman, it is achieved the full-automatic operation of device, sulfur recovery facility production capacity brings up to
100Nm/h.
Accompanying drawing explanation
Accompanying drawing 1 is system flow chart of the present utility model.
In figure: 1-nitrogen making machine, 2-adsorption tower 3-periodic off-gases surge tank, 4-periodic off-gases blending tank, 5-recycling can, 6-pressure
Control valve A, 7-pressure-control valve B, 8-export atmospheric valve, and 9-pressure-control valve C, 10-go sulfur furnace line processed, and 11-pressure is surveyed
Point A, 12-pressure-measuring-point B, 13-pressure-measuring-point C, 14-oxygen concentration measuring point.
Detailed description of the invention:
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1, the oxygen-enriched periodic off-gases of this swing adsorption nitrogen producing apparatus recycle optimization system, including nitrogen making machine 1,
Periodic off-gases surge tank 3；Described nitrogen making machine 1 is two sets, and often set nitrogen making machine has two adsorption towers 2, described nitrogen making machine 1 periodic off-gases aerofluxus
Pipeline connects periodic off-gases surge tank 3, and periodic off-gases surge tank 3 outlet line connects periodic off-gases blending tank 4, and periodic off-gases blending tank 4 goes out
Mouth pipeline connects back to closed cans 5；Sulfur furnace line 10 processed is gone in the connection of recycling can 5 outlet line；Connect on described periodic off-gases exhaust line
Pressure-control valve A6 and pressure-measuring-point A11；Pressure-control valve B7 and pressure-measuring-point is connected on periodic off-gases surge tank outlet line
B12, periodic off-gases blending tank outlet line connects pressure-control valve C9 and pressure-measuring-point C13, periodic off-gases blending tank outlet line
On be also associated with exporting nitrogen making machine 1 periodic off-gases pipeline described in atmospheric valve 8 and oxygen concentration measuring point 14. and connect also by blower fan and speed
Venting blending tank 4；Described pressure-control valve A6 and pressure-measuring-point A11, pressure-control valve B7 and pressure-measuring-point B12, Stress control
Valve C9 and pressure-measuring-point C13, outlet atmospheric valve 8 and oxygen concentration measuring point 14 connect computer respectively.
When the oxygen-enriched periodic off-gases of this swing adsorption nitrogen producing apparatus recycles the use of optimization system, varying-voltage adsorption nitrogen machine has
Two adsorption towers, the working cycle is 1 minute.Periodic off-gases discharge pressure 0.6MPa, receives pressure signal when pressure-measuring-point A11 shows
Time, nitrogen making machine periodic off-gases pipeline pressure control valve A is opened, and starts timing 45 seconds, and period periodic off-gases continues into periodic off-gases buffering
In tank, after 45 seconds, nitrogen making machine periodic off-gases pipeline pressure control valve A is closed, and nitrogen making machine discharge duct valve is opened, and runs to 55 seconds,
Periodic off-gases is by special fan suction periodic off-gases blending tank, and after 55 seconds, nitrogen making machine discharge duct valve cut out, the row of a minute
Putting in the cycle, periodic off-gases surge tank outlet pressure control valve B is always on state and sets pressure 4KPa, and periodic off-gases surge tank is held
Continue and supply gas to periodic off-gases blending tank.Periodic off-gases discharge pressure is controlled, it is ensured that periodic off-gases carries by blending tank outlet pressure control valve C
Pressure steadily reaches the purpose of stable conveying, arranges oxygen concentration measuring point 14 after recycling can, when oxygen concentration is more than 28%(V) time,
Periodic off-gases blending tank outlet atmospheric valve 8 is opened.Regulation oxygen concentration ensures to enter the oxygen concentration 26%-28%(V% in sulfur stove processed),
Sulfur stove processed is in the environment of oxygen-enriched combusting, thus reaches to improve production capacity and energy-conservation purpose.
Claims (4)
1. the oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles an optimization system, including nitrogen making machine (1), periodic off-gases buffering
Tank (3), it is characterised in that: described nitrogen making machine (1) periodic off-gases exhaust line connects periodic off-gases surge tank (3), periodic off-gases surge tank
(3) outlet line connects periodic off-gases blending tank (4), and periodic off-gases blending tank (4) outlet line connects back to closed cans (5)；Recycling can (5)
Sulfur furnace line (10) processed is gone in outlet line connection；Described nitrogen making machine (1) periodic off-gases pipeline connects periodic off-gases mixing also by blower fan
Tank (4).
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus the most according to claim 1 recycles optimization system, and its feature exists
In: connect pressure-control valve A(6 on described periodic off-gases exhaust line) and pressure-measuring-point A(11)；Periodic off-gases surge tank outlet line
Upper connection pressure-control valve B(7) and pressure-measuring-point B(12), periodic off-gases blending tank outlet line connects pressure-control valve C(9)
And pressure-measuring-point C(13), periodic off-gases blending tank outlet line is also associated with export atmospheric valve (8) and oxygen concentration measuring point
(14).
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus the most according to claim 2 recycles optimization system, and its feature exists
In: described pressure-control valve A(6) and pressure-measuring-point A(11), pressure-control valve B(7) and pressure-measuring-point B(12), pressure-control valve
C(9) and pressure-measuring-point C(13), outlet atmospheric valve (8) and oxygen concentration measuring point (14) connect computer respectively.
The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus the most according to claim 1 recycles optimization system, and its feature exists
In: described nitrogen making machine (1) is two sets, and often overlapping nitrogen making machine (1) has two adsorption towers (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798319.8U CN205850523U (en) | 2016-07-27 | 2016-07-27 | The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798319.8U CN205850523U (en) | 2016-07-27 | 2016-07-27 | The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205850523U true CN205850523U (en) | 2017-01-04 |
Family
ID=57649562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620798319.8U Expired - Fee Related CN205850523U (en) | 2016-07-27 | 2016-07-27 | The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205850523U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108069400A (en) * | 2018-01-08 | 2018-05-25 | 上海理工大学 | Multistage recycling pressure-variable adsorption high-speed oxygen nitrogen equipment and method |
| US10329215B2 (en) | 2017-10-24 | 2019-06-25 | Sabic Global Technologies, B.V. | Process for converting a natural gas feedstock with inert content to chemical intermediates |
-
2016
- 2016-07-27 CN CN201620798319.8U patent/CN205850523U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10329215B2 (en) | 2017-10-24 | 2019-06-25 | Sabic Global Technologies, B.V. | Process for converting a natural gas feedstock with inert content to chemical intermediates |
| CN108069400A (en) * | 2018-01-08 | 2018-05-25 | 上海理工大学 | Multistage recycling pressure-variable adsorption high-speed oxygen nitrogen equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204198421U (en) | A kind of molten sulfur pond gas recovery system | |
| CN103375997B (en) | Method for regulating and controlling circulating flue-gas temperature and oxygen content | |
| CN206868016U (en) | A kind of middle low-temperature denitration catalyst on-line regeneration system | |
| CN205850523U (en) | The oxygen-enriched periodic off-gases of swing adsorption nitrogen producing apparatus recycles optimization system | |
| CN104229855A (en) | Process for on-line heating and oxidation of desulfurized fly ash by virtue of flue gas from power generating boiler or sintering machine | |
| CN104192862B (en) | A kind of hydrolysis of urea ammonia method and apparatus processed that utilizes boiler gas | |
| CN101683599A (en) | High-precision gas mixing system and method | |
| CN206669750U (en) | Energy-saving plasma dangerous waste disposal system | |
| CN103032360B (en) | Method and device for controlling desulfuration system | |
| CN202766420U (en) | Automatic control system for gas-burning lime shaft kiln production process | |
| CN204718348U (en) | High-temperature hot-air and coal slime drying control system are produced in coal mine light concentration mash gas oxidation | |
| CN203960246U (en) | The top hot blast air-supply arrangement of blast furnace iron notch | |
| CN105371670B (en) | A kind of Industrial Stoves polyoxy combustion product gases reduction reuse means and its operation method | |
| CN201454431U (en) | High-precision gas mixing device | |
| CN203877916U (en) | Nitrogen making machine oxygen-enriched waste gas recovery combustion-supporting device | |
| CN208952122U (en) | A kind of device reducing the nitrogen oxides in flue gases of cock oven by waste gas circulation | |
| CN209026809U (en) | The system for reducing coke oven chimney exhaust gas nitrogen oxides | |
| CN108910950B (en) | Method for preparing sodium chromate from chromite | |
| CN209636260U (en) | A kind of pulverized coal injection into blast furna powder system and blast-furnace equipment | |
| CN102978308B (en) | Energy-saving oxygen-enriching method for blast furnace iron making | |
| CN101845325A (en) | Up-down blowing-in steam pressure control and independent steam preparing method of gas producer | |
| CN220026358U (en) | Waste gas treatment system for molding workshop of carbon plant | |
| CN214701780U (en) | Flue gas self-sealing device for forced air drying section of chain grate | |
| CN205505768U (en) | Aluminum smelting stove that energy -saving residual heat recycling utilized | |
| CN204313639U (en) | Charcoal element revolution bed calcining furnace process air control system |
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: 20170104 Termination date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |