CN202675914U - Tail gas recovery system of yellow phosphorus electric furnace - Google Patents
Tail gas recovery system of yellow phosphorus electric furnace Download PDFInfo
- Publication number
- CN202675914U CN202675914U CN2012203396473U CN201220339647U CN202675914U CN 202675914 U CN202675914 U CN 202675914U CN 2012203396473 U CN2012203396473 U CN 2012203396473U CN 201220339647 U CN201220339647 U CN 201220339647U CN 202675914 U CN202675914 U CN 202675914U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- water seal
- valve
- machine
- tail
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a tail gas recovery system of a yellow phosphorus electric furnace. The tail gas recovery system comprises an emptying adjusting valve and the like, wherein a tail gas outlet of the yellow phosphorus electric furnace is connected with a total tail gas water seal; a first scrubber tower and the emptying adjusting valve are connected with the total tail gas water seal; a front-stage pressure sensor is positioned between the emptying adjusting valve and the total tail gas water seal; a total front water seal is connected with the first scrubber tower; a front sealing valve, tail gas pressurizing equipment, a rear sealing valve, a rear-stage pressure sensor and a flow control valve are sequentially positioned between the total front water seal and a rear water seal; a second scrubber tower is connected with the rear water seal; a tail water seal is connected with the second scrubber tower; a gas storage tank is connected with the tail water seal; a gas storage tank emptying valve is positioned on the gas storage tank; and a control screen is connected with the emptying adjusting valve, the front sealing valve, the tail gas pressurizing equipment, the rear sealing valve, the rear-stage pressure sensor and the flow control valve. The tail gas of the yellow phosphorus electric furnace is full-automatically controlled, and the labor intensity of field staff is reduced.
Description
Technical field
The utility model relates to a kind of exhaust gas recovery system, particularly relates to a kind of yellow phosphorus electric furnace exhaust gas recovery system.
Background technology
China's yellow phosphorus total output occupies first place in the world, the production of yellow phosphorus mainly is electric furnace process, in the phosphorus production process, can produce a large amount of tail gas, CO(carbon monoxide in the tail gas) accounts for 85～90%, no matter still pollute from reducing from energy savings, and see on the increase Business Economic Benefit, the CO in the tail gas must recycle.Existing method for recovering tail gas has several defectives: the one, and artificial or semiautomatic control, automaticity is low, and labour intensity is large, and site environment is abominable, and the Field Force is easily caused personal injury; The 2nd, the rate of recovery is low, and Artificial Control is difficult for accurately control, causes a large amount of tail gas emptying; The 3rd, pressue device adopts water ring vacuum pump, and power consumption own is large, and because temperature rise, after long-time the use, the fouling of internal gas dust makes its flow more and more less, and for making must progressively the increase input number of units of vavuum pump of tail gas recycle, power consumption further increases.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of yellow phosphorus electric furnace exhaust gas recovery system, and it realizes the Automatic Control of yellow phosphorus electric furnace tail gas, reduces Field Force's labour intensity, and realizes the higher rate of recovery.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of yellow phosphorus electric furnace exhaust gas recovery system, it is characterized in that, it comprises the emptying control valve, the forepressure sensor, the total water seal of tail gas, the first aeration tower, total water seal before the machine, seal valve before the machine, the tail gas pressurized equipment, sealed valve behind the machine, the rear class pressure sensor, flow control valve, water seal behind the machine, the second aeration tower, the tail water envelope, air accumulator, the air accumulator atmospheric valve, control flow, the total water seal of tail gas is connected with a yellow phosphorus electric furnace tail gas outlet, the first aeration tower is connected with the total water seal of tail gas, the emptying control valve is connected with the total water seal of tail gas, the forepressure sensor is between emptying control valve and the total water seal of tail gas, total water seal is connected with the first aeration tower before the machine, seal valve before the machine, the tail gas pressurized equipment, sealed valve behind the machine, the rear class pressure sensor, flow control valve is successively before machine behind total water seal and the machine between the water seal, the second aeration tower is connected with water seal behind the machine, the tail water envelope is connected with the second aeration tower, air accumulator is connected with the tail water envelope, the air accumulator atmospheric valve is positioned on the air accumulator, control flow and emptying control valve, seal valve before the machine, the tail gas pressurized equipment, rear sealed valve, the rear class pressure sensor, flow control valve connects.
Positive progressive effect of the present utility model is: the Automatic Control that can realize yellow phosphorus electric furnace tail gas by the utility model, can realize the automation recovery of tail gas, need not manual intervention, namely reduce Field Force's labour intensity, and by digital control, realize the higher rate of recovery, and satisfy the energy-saving and cost-reducing demand of sulphur dioxide of phosphor chemical industry.
Description of drawings
Fig. 1 is the theory diagram of the utility model yellow phosphorus electric furnace exhaust gas recovery system.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As shown in Figure 1, the utility model yellow phosphorus electric furnace exhaust gas recovery system comprises emptying control valve 2, forepressure sensor 3, the total water seal 4 of tail gas, the first aeration tower 5, total water seal 6 before the machine, seal valve 7 before the machine, tail gas pressurized equipment 8, sealed valve 9 behind the machine, rear class pressure sensor 10, flow control valve 11, water seal 12 behind the machine, the second aeration tower 13, tail water envelope 14, air accumulator 15, air accumulator atmospheric valve 16, control flow 17, the total water seal 4 of tail gas is connected with a yellow phosphorus electric furnace tail gas outlet 1, the first aeration tower 5 is connected with the total water seal 4 of tail gas, emptying control valve 2 is connected with the total water seal 4 of tail gas, forepressure sensor 3 is between emptying control valve 2 and the total water seal 4 of tail gas, total water seal 6 is connected with the first aeration tower 5 before the machine, seal valve 7 before the machine, tail gas pressurized equipment 8, sealed valve 9 behind the machine, rear class pressure sensor 10, flow control valve 11 is successively before machine behind total water seal 6 and the machine between the water seal 12, the second aeration tower 13 is connected with water seal 12 behind the machine, tail water envelope 14 is connected with the second aeration tower 13, air accumulator 15 is connected with tail water envelope 14, air accumulator atmospheric valve 16 is positioned on the air accumulator 15, control flow 17 and emptying control valve 2, seal valve 7 before the machine, tail gas pressurized equipment 8, rear sealed valve 9, rear class pressure sensor 10, flow control valve 11 connects, and control flow 17 is according to the transducing signal control emptying control valve 2 of forepressure sensor 3 and rear class pressure sensor 10, seal valve 7 before the machine, tail gas pressurized equipment 8, rear sealed valve 9, flow control valve 11.
The yellow phosphorus electric furnace exhaust flow is increased to a certain degree, forepressure sensor 3 gathers tail gas pressure at the above certain hour of 50Pa, sealed valve 9 behind the front seal valve 7 of the machine of opening, the machine, control flow 17 begins to regulate the rotating speed of tail gas pressurized equipment, electric furnace outlet tail gas pressure is controlled between 50～250Pa, when rear class pressure sensor 10 gathers pressure at 8000Pa after above a period of time, control flow 17 adjust flux by-pass valve controls 11 are delivered to air accumulator 15 with tail gas.When the exhaust flow sudden change increased above 250Pa, the aperture that control flow is regulated emptying control valve 2 made tail gas from electric furnace pressure controlled.When electric furnace collapses when material, the tail gas from electric furnace flow reduces suddenly, and control flow is sealed valve 9 and flow control valve 11 behind seal valve 7, the machine before the closure plane immediately, prevents that negative pressure from occurring.Under normal circumstances, control flow 17 is regulated tail gas pressurized equipment rotating speed according to the pressure size by frequency converter and is guaranteed the stable of tail gas pressure, and the utility model is realized the automatic recovery control by control flow.Emptying control valve 2 is the electronic regulation gate valve of frequency conversion, and opening and closing speed is adjustable, establishes type by cable, can remote auto control also can operate by on-site manual, and valve has valve position and open degree feedback output, and bearing pressure reduction is 2000Pa.Sealed valve employing switching mode fast pneumatic ball valve behind seal valve and the machine gets electric opening before the machine, and dead electricity is closed, and has position feed back signal, and bearing pressure is 10000Pa.Flow control valve adopts the motorized adjustment butterfly valve, and adjustment type is established type by cable, and bearing pressure reduction is 10000Pa, can be arranged to standard-sized sheet, complete shut-down, guarantor position.Control flow is by PLC(Programmable Logic Controller, programmable logic controller) and frequency converter form, and have Ethernet interface with the background monitoring communication, have manually, automatically, sudden-stop function, also have the touch-screen man machine operation interface.
The tail gas pressurized equipment adopts air compressor, and unconventional water ring vacuum pump, and be seamless hermetically-sealed construction, be compared to existing water ring vacuum pump pressurized equipment, energy consumption significantly reduces, take four yellow phosphorus electric furnaces in certain chemical plant as example, every electric furnace need to drop into 3 pumps, general power uses every power of blower fan can be down to below the 22KW after transforming about 225KW, and 203 degree per hour economize on electricity, to move 24 hours every day, whole year operation 300 days, 0.45 yuan of calculating of the electricity charge can be saved 657720 yuan.Can realize the Automatic Control of yellow phosphorus electric furnace tail gas by the utility model, reduce Field Force's labour intensity, and by digital control, realize the higher rate of recovery, and satisfy the energy-saving and cost-reducing demand of sulphur dioxide of phosphor chemical industry.
Those skilled in the art can carry out various remodeling and change to the utility model.Therefore, the utility model has covered various remodeling and the change in the scope that falls into appending claims and equivalent thereof.
Claims (1)
1. yellow phosphorus electric furnace exhaust gas recovery system, it is characterized in that, it comprises the emptying control valve, the forepressure sensor, the total water seal of tail gas, the first aeration tower, total water seal before the machine, seal valve before the machine, the tail gas pressurized equipment, sealed valve behind the machine, the rear class pressure sensor, flow control valve, water seal behind the machine, the second aeration tower, the tail water envelope, air accumulator, the air accumulator atmospheric valve, control flow, the total water seal of tail gas is connected with a yellow phosphorus electric furnace tail gas outlet, the first aeration tower is connected with the total water seal of tail gas, the emptying control valve is connected with the total water seal of tail gas, the forepressure sensor is between emptying control valve and the total water seal of tail gas, total water seal is connected with the first aeration tower before the machine, seal valve before the machine, the tail gas pressurized equipment, sealed valve behind the machine, the rear class pressure sensor, flow control valve is successively before machine behind total water seal and the machine between the water seal, the second aeration tower is connected with water seal behind the machine, the tail water envelope is connected with the second aeration tower, air accumulator is connected with the tail water envelope, the air accumulator atmospheric valve is positioned on the air accumulator, control flow and emptying control valve, seal valve before the machine, the tail gas pressurized equipment, rear sealed valve, the rear class pressure sensor, flow control valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203396473U CN202675914U (en) | 2012-07-13 | 2012-07-13 | Tail gas recovery system of yellow phosphorus electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203396473U CN202675914U (en) | 2012-07-13 | 2012-07-13 | Tail gas recovery system of yellow phosphorus electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675914U true CN202675914U (en) | 2013-01-16 |
Family
ID=47496814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203396473U Expired - Fee Related CN202675914U (en) | 2012-07-13 | 2012-07-13 | Tail gas recovery system of yellow phosphorus electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202675914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524962A (en) * | 2020-08-20 | 2021-03-19 | 云南江磷集团股份有限公司 | Yellow phosphorus electric furnace tail gas recovery and purification process |
-
2012
- 2012-07-13 CN CN2012203396473U patent/CN202675914U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524962A (en) * | 2020-08-20 | 2021-03-19 | 云南江磷集团股份有限公司 | Yellow phosphorus electric furnace tail gas recovery and purification process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102748957A (en) | Yellow phosphorus electric stove tail gas recovery system | |
| CN102102962B (en) | Energy-saving regulating and control method and device of industrial cooling water towering pump | |
| CN102994672A (en) | Automatic control method for top pressure of TRT (blast furnace top gas recovery turbine unit) system | |
| CN204419435U (en) | For hydroelectric energy conserving system | |
| CN104948490A (en) | Dust removal fan constant-air-pressure frequency control system and method | |
| CN202356385U (en) | Energy-saving dust collection device | |
| CN202675914U (en) | Tail gas recovery system of yellow phosphorus electric furnace | |
| CN205205145U (en) | Collecting system is produced in succession to methane -generating pit | |
| CN202092275U (en) | Multi-station automatic frequency conversion energy-saving ventilation and dust removal system | |
| CN104390472A (en) | Tempering method and tempering device for electrically dedusting smoke by adopting low-temperature waste heat boiler | |
| CN201882916U (en) | Vacuum system for multiple polycrystal furnaces to operate in parallel | |
| CN201554505U (en) | Starting control device for blast furnace pubic type residual pressure energy reclamation | |
| CN207814014U (en) | A kind of novel dust removing fan energy-saving control system | |
| CN203560114U (en) | Energy-saving fan of circulating water cooling tower | |
| CN103019266A (en) | Water level control system of water tank | |
| CN206432842U (en) | The cooling devcie of motor of dedusting fan | |
| CN204025093U (en) | A kind of submersible electric pump fuzzy control device | |
| CN207276777U (en) | A kind of device for improving monocrystalline furnace exhaust gas argon gas organic efficiency | |
| CN204186428U (en) | A kind of natural gas pipe network pressure energy reclaims electricity generating device | |
| CN202281044U (en) | Pressure-stabilizing system for oil transmission pipeline | |
| CN213315999U (en) | Mica tape sizing line concentration control device | |
| CN205055653U (en) | Frequency conversion dust collector based on pneumatic control | |
| CN204818074U (en) | Titanium powder apparatus for producing | |
| CN201741000U (en) | Intelligent water injection well supervising device | |
| CN202115805U (en) | High-viscosity raw material discharging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130713 |